3423 lines
106 KiB
JavaScript
3423 lines
106 KiB
JavaScript
/**
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* @license
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* (c) 2009-2013 Michael Leibman
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* michael{dot}leibman{at}gmail{dot}com
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* http://github.com/mleibman/slickgrid
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*
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* Distributed under MIT license.
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* All rights reserved.
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*
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* SlickGrid v2.2
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*
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* NOTES:
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* Cell/row DOM manipulations are done directly bypassing jQuery's DOM manipulation methods.
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* This increases the speed dramatically, but can only be done safely because there are no event handlers
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* or data associated with any cell/row DOM nodes. Cell editors must make sure they implement .destroy()
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* and do proper cleanup.
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*/
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// make sure required JavaScript modules are loaded
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if (typeof jQuery === "undefined") {
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throw "SlickGrid requires jquery module to be loaded";
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}
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if (!jQuery.fn.drag) {
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throw "SlickGrid requires jquery.event.drag module to be loaded";
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}
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if (typeof Slick === "undefined") {
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throw "slick.core.js not loaded";
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}
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(function ($) {
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// Slick.Grid
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$.extend(true, window, {
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Slick: {
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Grid: SlickGrid
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}
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});
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// shared across all grids on the page
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var scrollbarDimensions;
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var maxSupportedCssHeight; // browser's breaking point
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//////////////////////////////////////////////////////////////////////////////////////////////
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// SlickGrid class implementation (available as Slick.Grid)
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/**
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* Creates a new instance of the grid.
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* @class SlickGrid
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* @constructor
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* @param {Node} container Container node to create the grid in.
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* @param {Array,Object} data An array of objects for databinding.
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* @param {Array} columns An array of column definitions.
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* @param {Object} options Grid options.
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**/
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function SlickGrid(container, data, columns, options) {
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// settings
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var defaults = {
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explicitInitialization: false,
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rowHeight: 25,
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defaultColumnWidth: 80,
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enableAddRow: false,
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leaveSpaceForNewRows: false,
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editable: false,
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autoEdit: true,
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enableCellNavigation: true,
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enableColumnReorder: true,
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asyncEditorLoading: false,
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asyncEditorLoadDelay: 100,
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forceFitColumns: false,
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enableAsyncPostRender: false,
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asyncPostRenderDelay: 50,
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autoHeight: false,
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editorLock: Slick.GlobalEditorLock,
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showHeaderRow: false,
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headerRowHeight: 25,
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showTopPanel: false,
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topPanelHeight: 25,
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formatterFactory: null,
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editorFactory: null,
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cellFlashingCssClass: "flashing",
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selectedCellCssClass: "selected",
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multiSelect: true,
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enableTextSelectionOnCells: false,
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dataItemColumnValueExtractor: null,
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fullWidthRows: false,
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multiColumnSort: false,
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defaultFormatter: defaultFormatter,
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forceSyncScrolling: false,
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addNewRowCssClass: "new-row"
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};
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var columnDefaults = {
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name: "",
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resizable: true,
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sortable: false,
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minWidth: 30,
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rerenderOnResize: false,
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headerCssClass: null,
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defaultSortAsc: true,
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focusable: true,
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selectable: true
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};
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// scroller
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var th; // virtual height
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var h; // real scrollable height
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var ph; // page height
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var n; // number of pages
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var cj; // "jumpiness" coefficient
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var page = 0; // current page
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var offset = 0; // current page offset
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var vScrollDir = 1;
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// private
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var initialized = false;
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var $container;
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var uid = "slickgrid_" + Math.round(1000000 * Math.random());
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var self = this;
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var $focusSink, $focusSink2;
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var $headerScroller;
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var $headers;
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var $headerRow, $headerRowScroller, $headerRowSpacer;
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var $topPanelScroller;
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var $topPanel;
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var $viewport;
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var $canvas;
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var $style;
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var $boundAncestors;
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var stylesheet, columnCssRulesL, columnCssRulesR;
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var viewportH, viewportW;
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var canvasWidth;
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var viewportHasHScroll, viewportHasVScroll;
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var headerColumnWidthDiff = 0, headerColumnHeightDiff = 0, // border+padding
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cellWidthDiff = 0, cellHeightDiff = 0;
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var absoluteColumnMinWidth;
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var tabbingDirection = 1;
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var activePosX;
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var activeRow, activeCell;
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var activeCellNode = null;
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var currentEditor = null;
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var serializedEditorValue;
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var editController;
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var rowsCache = {};
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var renderedRows = 0;
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var numVisibleRows;
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var prevScrollTop = 0;
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var scrollTop = 0;
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var lastRenderedScrollTop = 0;
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var lastRenderedScrollLeft = 0;
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var prevScrollLeft = 0;
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var scrollLeft = 0;
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var selectionModel;
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var selectedRows = [];
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var plugins = [];
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var cellCssClasses = {};
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var columnsById = {};
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var sortColumns = [];
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var columnPosLeft = [];
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var columnPosRight = [];
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// async call handles
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var h_editorLoader = null;
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var h_render = null;
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var h_postrender = null;
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var postProcessedRows = {};
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var postProcessToRow = null;
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var postProcessFromRow = null;
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// perf counters
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var counter_rows_rendered = 0;
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var counter_rows_removed = 0;
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// These two variables work around a bug with inertial scrolling in Webkit/Blink on Mac.
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// See http://crbug.com/312427.
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var rowNodeFromLastMouseWheelEvent; // this node must not be deleted while inertial scrolling
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var zombieRowNodeFromLastMouseWheelEvent; // node that was hidden instead of getting deleted
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//////////////////////////////////////////////////////////////////////////////////////////////
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// Initialization
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function init() {
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$container = $(container);
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if ($container.length < 1) {
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throw new Error("SlickGrid requires a valid container, " + container + " does not exist in the DOM.");
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}
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// calculate these only once and share between grid instances
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maxSupportedCssHeight = maxSupportedCssHeight || getMaxSupportedCssHeight();
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scrollbarDimensions = scrollbarDimensions || measureScrollbar();
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options = $.extend({}, defaults, options);
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validateAndEnforceOptions();
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columnDefaults.width = options.defaultColumnWidth;
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columnsById = {};
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for (var i = 0; i < columns.length; i++) {
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var m = columns[i] = $.extend({}, columnDefaults, columns[i]);
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columnsById[m.id] = i;
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if (m.minWidth && m.width < m.minWidth) {
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m.width = m.minWidth;
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}
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if (m.maxWidth && m.width > m.maxWidth) {
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m.width = m.maxWidth;
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}
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}
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// validate loaded JavaScript modules against requested options
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if (options.enableColumnReorder && !$.fn.sortable) {
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throw new Error("SlickGrid's 'enableColumnReorder = true' option requires jquery-ui.sortable module to be loaded");
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}
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editController = {
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"commitCurrentEdit": commitCurrentEdit,
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"cancelCurrentEdit": cancelCurrentEdit
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};
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$container
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.empty()
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.css("overflow", "hidden")
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.css("outline", 0)
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.addClass(uid)
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.addClass("ui-widget");
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// set up a positioning container if needed
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if (!/relative|absolute|fixed/.test($container.css("position"))) {
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$container.css("position", "relative");
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}
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$focusSink = $("<div tabIndex='0' hideFocus style='position:fixed;width:0;height:0;top:0;left:0;outline:0;'></div>").appendTo($container);
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$headerScroller = $("<div class='slick-header ui-state-default' style='overflow:hidden;position:relative;' />").appendTo($container);
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$headers = $("<div class='slick-header-columns' style='left:-1000px' />").appendTo($headerScroller);
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$headers.width(getHeadersWidth());
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$headerRowScroller = $("<div class='slick-headerrow ui-state-default' style='overflow:hidden;position:relative;' />").appendTo($container);
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$headerRow = $("<div class='slick-headerrow-columns' />").appendTo($headerRowScroller);
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$headerRowSpacer = $("<div style='display:block;height:1px;position:absolute;top:0;left:0;'></div>")
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.css("width", getCanvasWidth() + scrollbarDimensions.width + "px")
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.appendTo($headerRowScroller);
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$topPanelScroller = $("<div class='slick-top-panel-scroller ui-state-default' style='overflow:hidden;position:relative;' />").appendTo($container);
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$topPanel = $("<div class='slick-top-panel' style='width:10000px' />").appendTo($topPanelScroller);
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if (!options.showTopPanel) {
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$topPanelScroller.hide();
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}
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if (!options.showHeaderRow) {
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$headerRowScroller.hide();
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}
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$viewport = $("<div class='slick-viewport' style='width:100%;overflow:auto;outline:0;position:relative;;'>").appendTo($container);
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$viewport.css("overflow-y", options.autoHeight ? "hidden" : "auto");
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$canvas = $("<div class='grid-canvas' />").appendTo($viewport);
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$focusSink2 = $focusSink.clone().appendTo($container);
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if (!options.explicitInitialization) {
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finishInitialization();
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}
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}
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function finishInitialization() {
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if (!initialized) {
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initialized = true;
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viewportW = parseFloat($.css($container[0], "width", true));
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// header columns and cells may have different padding/border skewing width calculations (box-sizing, hello?)
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// calculate the diff so we can set consistent sizes
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measureCellPaddingAndBorder();
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// for usability reasons, all text selection in SlickGrid is disabled
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// with the exception of input and textarea elements (selection must
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// be enabled there so that editors work as expected); note that
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// selection in grid cells (grid body) is already unavailable in
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// all browsers except IE
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disableSelection($headers); // disable all text selection in header (including input and textarea)
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if (!options.enableTextSelectionOnCells) {
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// disable text selection in grid cells except in input and textarea elements
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// (this is IE-specific, because selectstart event will only fire in IE)
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$viewport.bind("selectstart.ui", function (event) {
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return $(event.target).is("input,textarea");
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});
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}
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updateColumnCaches();
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createColumnHeaders();
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setupColumnSort();
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createCssRules();
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resizeCanvas();
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bindAncestorScrollEvents();
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$container
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.bind("resize.slickgrid", resizeCanvas);
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$viewport
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//.bind("click", handleClick)
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.bind("scroll", handleScroll);
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$headerScroller
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.bind("contextmenu", handleHeaderContextMenu)
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.bind("click", handleHeaderClick)
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.delegate(".slick-header-column", "mouseenter", handleHeaderMouseEnter)
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.delegate(".slick-header-column", "mouseleave", handleHeaderMouseLeave);
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$headerRowScroller
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.bind("scroll", handleHeaderRowScroll);
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$focusSink.add($focusSink2)
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.bind("keydown", handleKeyDown);
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$canvas
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.bind("keydown", handleKeyDown)
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.bind("click", handleClick)
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.bind("dblclick", handleDblClick)
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.bind("contextmenu", handleContextMenu)
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.bind("draginit", handleDragInit)
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.bind("dragstart", {distance: 3}, handleDragStart)
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.bind("drag", handleDrag)
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.bind("dragend", handleDragEnd)
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.delegate(".slick-cell", "mouseenter", handleMouseEnter)
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.delegate(".slick-cell", "mouseleave", handleMouseLeave);
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// Work around http://crbug.com/312427.
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if (navigator.userAgent.toLowerCase().match(/webkit/) &&
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navigator.userAgent.toLowerCase().match(/macintosh/)) {
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$canvas.bind("mousewheel", handleMouseWheel);
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}
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}
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}
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function registerPlugin(plugin) {
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plugins.unshift(plugin);
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plugin.init(self);
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}
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function unregisterPlugin(plugin) {
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for (var i = plugins.length; i >= 0; i--) {
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if (plugins[i] === plugin) {
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if (plugins[i].destroy) {
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plugins[i].destroy();
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}
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plugins.splice(i, 1);
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break;
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}
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}
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}
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function setSelectionModel(model) {
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if (selectionModel) {
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selectionModel.onSelectedRangesChanged.unsubscribe(handleSelectedRangesChanged);
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if (selectionModel.destroy) {
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selectionModel.destroy();
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}
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}
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selectionModel = model;
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if (selectionModel) {
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selectionModel.init(self);
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selectionModel.onSelectedRangesChanged.subscribe(handleSelectedRangesChanged);
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}
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}
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function getSelectionModel() {
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return selectionModel;
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}
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function getCanvasNode() {
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return $canvas[0];
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}
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function measureScrollbar() {
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var $c = $("<div style='position:absolute; top:-10000px; left:-10000px; width:100px; height:100px; overflow:scroll;'></div>").appendTo("body");
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var dim = {
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width: $c.width() - $c[0].clientWidth,
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height: $c.height() - $c[0].clientHeight
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};
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$c.remove();
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return dim;
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}
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function getHeadersWidth() {
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var headersWidth = 0;
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for (var i = 0, ii = columns.length; i < ii; i++) {
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var width = columns[i].width;
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headersWidth += width;
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}
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headersWidth += scrollbarDimensions.width;
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return Math.max(headersWidth, viewportW) + 1000;
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}
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function getCanvasWidth() {
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var availableWidth = viewportHasVScroll ? viewportW - scrollbarDimensions.width : viewportW;
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var rowWidth = 0;
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var i = columns.length;
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while (i--) {
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rowWidth += columns[i].width;
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}
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return options.fullWidthRows ? Math.max(rowWidth, availableWidth) : rowWidth;
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}
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function updateCanvasWidth(forceColumnWidthsUpdate) {
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var oldCanvasWidth = canvasWidth;
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canvasWidth = getCanvasWidth();
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if (canvasWidth != oldCanvasWidth) {
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$canvas.width(canvasWidth);
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$headerRow.width(canvasWidth);
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$headers.width(getHeadersWidth());
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viewportHasHScroll = (canvasWidth > viewportW - scrollbarDimensions.width);
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}
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$headerRowSpacer.width(canvasWidth + (viewportHasVScroll ? scrollbarDimensions.width : 0));
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if (canvasWidth != oldCanvasWidth || forceColumnWidthsUpdate) {
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applyColumnWidths();
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}
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}
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function disableSelection($target) {
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if ($target && $target.jquery) {
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$target
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.attr("unselectable", "on")
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.css("MozUserSelect", "none")
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.bind("selectstart.ui", function () {
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return false;
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}); // from jquery:ui.core.js 1.7.2
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}
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}
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function getMaxSupportedCssHeight() {
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var supportedHeight = 1000000;
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// FF reports the height back but still renders blank after ~6M px
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var testUpTo = navigator.userAgent.toLowerCase().match(/firefox/) ? 6000000 : 1000000000;
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var div = $("<div style='display:none' />").appendTo(document.body);
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while (true) {
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var test = supportedHeight * 2;
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div.css("height", test);
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if (test > testUpTo || div.height() !== test) {
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break;
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} else {
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supportedHeight = test;
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}
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}
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div.remove();
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return supportedHeight;
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}
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// TODO: this is static. need to handle page mutation.
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function bindAncestorScrollEvents() {
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var elem = $canvas[0];
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while ((elem = elem.parentNode) != document.body && elem != null) {
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// bind to scroll containers only
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if (elem == $viewport[0] || elem.scrollWidth != elem.clientWidth || elem.scrollHeight != elem.clientHeight) {
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var $elem = $(elem);
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if (!$boundAncestors) {
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$boundAncestors = $elem;
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} else {
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$boundAncestors = $boundAncestors.add($elem);
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}
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$elem.bind("scroll." + uid, handleActiveCellPositionChange);
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}
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}
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}
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function unbindAncestorScrollEvents() {
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if (!$boundAncestors) {
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return;
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}
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$boundAncestors.unbind("scroll." + uid);
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$boundAncestors = null;
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}
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function updateColumnHeader(columnId, title, toolTip) {
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if (!initialized) { return; }
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var idx = getColumnIndex(columnId);
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if (idx == null) {
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return;
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}
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var columnDef = columns[idx];
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var $header = $headers.children().eq(idx);
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if ($header) {
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if (title !== undefined) {
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columns[idx].name = title;
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}
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if (toolTip !== undefined) {
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columns[idx].toolTip = toolTip;
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}
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trigger(self.onBeforeHeaderCellDestroy, {
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"node": $header[0],
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"column": columnDef
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});
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$header
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.attr("title", toolTip || "")
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.children().eq(0).html(title);
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trigger(self.onHeaderCellRendered, {
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"node": $header[0],
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"column": columnDef
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});
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}
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}
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function getHeaderRow() {
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return $headerRow[0];
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}
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function getHeaderRowColumn(columnId) {
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var idx = getColumnIndex(columnId);
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var $header = $headerRow.children().eq(idx);
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return $header && $header[0];
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}
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function createColumnHeaders() {
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function onMouseEnter() {
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$(this).addClass("ui-state-hover");
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}
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function onMouseLeave() {
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$(this).removeClass("ui-state-hover");
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}
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$headers.find(".slick-header-column")
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.each(function() {
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var columnDef = $(this).data("column");
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if (columnDef) {
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trigger(self.onBeforeHeaderCellDestroy, {
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"node": this,
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"column": columnDef
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});
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}
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});
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|
$headers.empty();
|
|
$headers.width(getHeadersWidth());
|
|
|
|
$headerRow.find(".slick-headerrow-column")
|
|
.each(function() {
|
|
var columnDef = $(this).data("column");
|
|
if (columnDef) {
|
|
trigger(self.onBeforeHeaderRowCellDestroy, {
|
|
"node": this,
|
|
"column": columnDef
|
|
});
|
|
}
|
|
});
|
|
$headerRow.empty();
|
|
|
|
for (var i = 0; i < columns.length; i++) {
|
|
var m = columns[i];
|
|
|
|
var header = $("<div class='ui-state-default slick-header-column' />")
|
|
.html("<span class='slick-column-name'>" + m.name + "</span>")
|
|
.width(m.width - headerColumnWidthDiff)
|
|
.attr("id", "" + uid + m.id)
|
|
.attr("title", m.toolTip || "")
|
|
.data("column", m)
|
|
.addClass(m.headerCssClass || "")
|
|
.appendTo($headers);
|
|
|
|
if (options.enableColumnReorder || m.sortable) {
|
|
header
|
|
.on('mouseenter', onMouseEnter)
|
|
.on('mouseleave', onMouseLeave);
|
|
}
|
|
|
|
if (m.sortable) {
|
|
header.addClass("slick-header-sortable");
|
|
header.append("<span class='slick-sort-indicator' />");
|
|
}
|
|
|
|
trigger(self.onHeaderCellRendered, {
|
|
"node": header[0],
|
|
"column": m
|
|
});
|
|
|
|
if (options.showHeaderRow) {
|
|
var headerRowCell = $("<div class='ui-state-default slick-headerrow-column l" + i + " r" + i + "'></div>")
|
|
.data("column", m)
|
|
.appendTo($headerRow);
|
|
|
|
trigger(self.onHeaderRowCellRendered, {
|
|
"node": headerRowCell[0],
|
|
"column": m
|
|
});
|
|
}
|
|
}
|
|
|
|
setSortColumns(sortColumns);
|
|
setupColumnResize();
|
|
if (options.enableColumnReorder) {
|
|
setupColumnReorder();
|
|
}
|
|
}
|
|
|
|
function setupColumnSort() {
|
|
$headers.click(function (e) {
|
|
// temporary workaround for a bug in jQuery 1.7.1 (http://bugs.jquery.com/ticket/11328)
|
|
e.metaKey = e.metaKey || e.ctrlKey;
|
|
|
|
if ($(e.target).hasClass("slick-resizable-handle")) {
|
|
return;
|
|
}
|
|
|
|
var $col = $(e.target).closest(".slick-header-column");
|
|
if (!$col.length) {
|
|
return;
|
|
}
|
|
|
|
var column = $col.data("column");
|
|
if (column.sortable) {
|
|
if (!getEditorLock().commitCurrentEdit()) {
|
|
return;
|
|
}
|
|
|
|
var sortOpts = null;
|
|
var i = 0;
|
|
for (; i < sortColumns.length; i++) {
|
|
if (sortColumns[i].columnId == column.id) {
|
|
sortOpts = sortColumns[i];
|
|
sortOpts.sortAsc = !sortOpts.sortAsc;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (e.metaKey && options.multiColumnSort) {
|
|
if (sortOpts) {
|
|
sortColumns.splice(i, 1);
|
|
}
|
|
}
|
|
else {
|
|
if ((!e.shiftKey && !e.metaKey) || !options.multiColumnSort) {
|
|
sortColumns = [];
|
|
}
|
|
|
|
if (!sortOpts) {
|
|
sortOpts = { columnId: column.id, sortAsc: column.defaultSortAsc };
|
|
sortColumns.push(sortOpts);
|
|
} else if (sortColumns.length == 0) {
|
|
sortColumns.push(sortOpts);
|
|
}
|
|
}
|
|
|
|
setSortColumns(sortColumns);
|
|
|
|
if (!options.multiColumnSort) {
|
|
trigger(self.onSort, {
|
|
multiColumnSort: false,
|
|
sortCol: column,
|
|
sortAsc: sortOpts.sortAsc}, e);
|
|
} else {
|
|
trigger(self.onSort, {
|
|
multiColumnSort: true,
|
|
sortCols: $.map(sortColumns, function(col) {
|
|
return {sortCol: columns[getColumnIndex(col.columnId)], sortAsc: col.sortAsc };
|
|
})}, e);
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
function setupColumnReorder() {
|
|
$headers.filter(":ui-sortable").sortable("destroy");
|
|
$headers.sortable({
|
|
containment: "parent",
|
|
distance: 3,
|
|
axis: "x",
|
|
cursor: "default",
|
|
tolerance: "intersection",
|
|
helper: "clone",
|
|
placeholder: "slick-sortable-placeholder ui-state-default slick-header-column",
|
|
start: function (e, ui) {
|
|
ui.placeholder.width(ui.helper.outerWidth() - headerColumnWidthDiff);
|
|
$(ui.helper).addClass("slick-header-column-active");
|
|
},
|
|
beforeStop: function (e, ui) {
|
|
$(ui.helper).removeClass("slick-header-column-active");
|
|
},
|
|
stop: function (e) {
|
|
if (!getEditorLock().commitCurrentEdit()) {
|
|
$(this).sortable("cancel");
|
|
return;
|
|
}
|
|
|
|
var reorderedIds = $headers.sortable("toArray");
|
|
var reorderedColumns = [];
|
|
for (var i = 0; i < reorderedIds.length; i++) {
|
|
reorderedColumns.push(columns[getColumnIndex(reorderedIds[i].replace(uid, ""))]);
|
|
}
|
|
setColumns(reorderedColumns);
|
|
|
|
trigger(self.onColumnsReordered, {});
|
|
e.stopPropagation();
|
|
setupColumnResize();
|
|
}
|
|
});
|
|
}
|
|
|
|
function setupColumnResize() {
|
|
var $col, j, c, pageX, columnElements, minPageX, maxPageX, firstResizable, lastResizable;
|
|
columnElements = $headers.children();
|
|
columnElements.find(".slick-resizable-handle").remove();
|
|
columnElements.each(function (i, e) {
|
|
if (columns[i].resizable) {
|
|
if (firstResizable === undefined) {
|
|
firstResizable = i;
|
|
}
|
|
lastResizable = i;
|
|
}
|
|
});
|
|
if (firstResizable === undefined) {
|
|
return;
|
|
}
|
|
columnElements.each(function (i, e) {
|
|
if (i < firstResizable || (options.forceFitColumns && i >= lastResizable)) {
|
|
return;
|
|
}
|
|
$col = $(e);
|
|
$("<div class='slick-resizable-handle' />")
|
|
.appendTo(e)
|
|
.bind("dragstart", function (e, dd) {
|
|
if (!getEditorLock().commitCurrentEdit()) {
|
|
return false;
|
|
}
|
|
pageX = e.pageX;
|
|
$(this).parent().addClass("slick-header-column-active");
|
|
var shrinkLeewayOnRight = null, stretchLeewayOnRight = null;
|
|
// lock each column's width option to current width
|
|
columnElements.each(function (i, e) {
|
|
columns[i].previousWidth = $(e).outerWidth();
|
|
});
|
|
if (options.forceFitColumns) {
|
|
shrinkLeewayOnRight = 0;
|
|
stretchLeewayOnRight = 0;
|
|
// colums on right affect maxPageX/minPageX
|
|
for (j = i + 1; j < columnElements.length; j++) {
|
|
c = columns[j];
|
|
if (c.resizable) {
|
|
if (stretchLeewayOnRight !== null) {
|
|
if (c.maxWidth) {
|
|
stretchLeewayOnRight += c.maxWidth - c.previousWidth;
|
|
} else {
|
|
stretchLeewayOnRight = null;
|
|
}
|
|
}
|
|
shrinkLeewayOnRight += c.previousWidth - Math.max(c.minWidth || 0, absoluteColumnMinWidth);
|
|
}
|
|
}
|
|
}
|
|
var shrinkLeewayOnLeft = 0, stretchLeewayOnLeft = 0;
|
|
for (j = 0; j <= i; j++) {
|
|
// columns on left only affect minPageX
|
|
c = columns[j];
|
|
if (c.resizable) {
|
|
if (stretchLeewayOnLeft !== null) {
|
|
if (c.maxWidth) {
|
|
stretchLeewayOnLeft += c.maxWidth - c.previousWidth;
|
|
} else {
|
|
stretchLeewayOnLeft = null;
|
|
}
|
|
}
|
|
shrinkLeewayOnLeft += c.previousWidth - Math.max(c.minWidth || 0, absoluteColumnMinWidth);
|
|
}
|
|
}
|
|
if (shrinkLeewayOnRight === null) {
|
|
shrinkLeewayOnRight = 100000;
|
|
}
|
|
if (shrinkLeewayOnLeft === null) {
|
|
shrinkLeewayOnLeft = 100000;
|
|
}
|
|
if (stretchLeewayOnRight === null) {
|
|
stretchLeewayOnRight = 100000;
|
|
}
|
|
if (stretchLeewayOnLeft === null) {
|
|
stretchLeewayOnLeft = 100000;
|
|
}
|
|
maxPageX = pageX + Math.min(shrinkLeewayOnRight, stretchLeewayOnLeft);
|
|
minPageX = pageX - Math.min(shrinkLeewayOnLeft, stretchLeewayOnRight);
|
|
})
|
|
.bind("drag", function (e, dd) {
|
|
var actualMinWidth, d = Math.min(maxPageX, Math.max(minPageX, e.pageX)) - pageX, x;
|
|
if (d < 0) { // shrink column
|
|
x = d;
|
|
for (j = i; j >= 0; j--) {
|
|
c = columns[j];
|
|
if (c.resizable) {
|
|
actualMinWidth = Math.max(c.minWidth || 0, absoluteColumnMinWidth);
|
|
if (x && c.previousWidth + x < actualMinWidth) {
|
|
x += c.previousWidth - actualMinWidth;
|
|
c.width = actualMinWidth;
|
|
} else {
|
|
c.width = c.previousWidth + x;
|
|
x = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (options.forceFitColumns) {
|
|
x = -d;
|
|
for (j = i + 1; j < columnElements.length; j++) {
|
|
c = columns[j];
|
|
if (c.resizable) {
|
|
if (x && c.maxWidth && (c.maxWidth - c.previousWidth < x)) {
|
|
x -= c.maxWidth - c.previousWidth;
|
|
c.width = c.maxWidth;
|
|
} else {
|
|
c.width = c.previousWidth + x;
|
|
x = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else { // stretch column
|
|
x = d;
|
|
for (j = i; j >= 0; j--) {
|
|
c = columns[j];
|
|
if (c.resizable) {
|
|
if (x && c.maxWidth && (c.maxWidth - c.previousWidth < x)) {
|
|
x -= c.maxWidth - c.previousWidth;
|
|
c.width = c.maxWidth;
|
|
} else {
|
|
c.width = c.previousWidth + x;
|
|
x = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (options.forceFitColumns) {
|
|
x = -d;
|
|
for (j = i + 1; j < columnElements.length; j++) {
|
|
c = columns[j];
|
|
if (c.resizable) {
|
|
actualMinWidth = Math.max(c.minWidth || 0, absoluteColumnMinWidth);
|
|
if (x && c.previousWidth + x < actualMinWidth) {
|
|
x += c.previousWidth - actualMinWidth;
|
|
c.width = actualMinWidth;
|
|
} else {
|
|
c.width = c.previousWidth + x;
|
|
x = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
applyColumnHeaderWidths();
|
|
if (options.syncColumnCellResize) {
|
|
applyColumnWidths();
|
|
}
|
|
})
|
|
.bind("dragend", function (e, dd) {
|
|
var newWidth;
|
|
$(this).parent().removeClass("slick-header-column-active");
|
|
for (j = 0; j < columnElements.length; j++) {
|
|
c = columns[j];
|
|
newWidth = $(columnElements[j]).outerWidth();
|
|
|
|
if (c.previousWidth !== newWidth && c.rerenderOnResize) {
|
|
invalidateAllRows();
|
|
}
|
|
}
|
|
updateCanvasWidth(true);
|
|
render();
|
|
trigger(self.onColumnsResized, {});
|
|
});
|
|
});
|
|
}
|
|
|
|
function getVBoxDelta($el) {
|
|
var p = ["borderTopWidth", "borderBottomWidth", "paddingTop", "paddingBottom"];
|
|
var delta = 0;
|
|
$.each(p, function (n, val) {
|
|
delta += parseFloat($el.css(val)) || 0;
|
|
});
|
|
return delta;
|
|
}
|
|
|
|
function measureCellPaddingAndBorder() {
|
|
var el;
|
|
var h = ["borderLeftWidth", "borderRightWidth", "paddingLeft", "paddingRight"];
|
|
var v = ["borderTopWidth", "borderBottomWidth", "paddingTop", "paddingBottom"];
|
|
|
|
el = $("<div class='ui-state-default slick-header-column' style='visibility:hidden'>-</div>").appendTo($headers);
|
|
headerColumnWidthDiff = headerColumnHeightDiff = 0;
|
|
if (el.css("box-sizing") != "border-box" && el.css("-moz-box-sizing") != "border-box" && el.css("-webkit-box-sizing") != "border-box") {
|
|
$.each(h, function (n, val) {
|
|
headerColumnWidthDiff += parseFloat(el.css(val)) || 0;
|
|
});
|
|
$.each(v, function (n, val) {
|
|
headerColumnHeightDiff += parseFloat(el.css(val)) || 0;
|
|
});
|
|
}
|
|
el.remove();
|
|
|
|
var r = $("<div class='slick-row' />").appendTo($canvas);
|
|
el = $("<div class='slick-cell' id='' style='visibility:hidden'>-</div>").appendTo(r);
|
|
cellWidthDiff = cellHeightDiff = 0;
|
|
if (el.css("box-sizing") != "border-box" && el.css("-moz-box-sizing") != "border-box" && el.css("-webkit-box-sizing") != "border-box") {
|
|
$.each(h, function (n, val) {
|
|
cellWidthDiff += parseFloat(el.css(val)) || 0;
|
|
});
|
|
$.each(v, function (n, val) {
|
|
cellHeightDiff += parseFloat(el.css(val)) || 0;
|
|
});
|
|
}
|
|
r.remove();
|
|
|
|
absoluteColumnMinWidth = Math.max(headerColumnWidthDiff, cellWidthDiff);
|
|
}
|
|
|
|
function createCssRules() {
|
|
$style = $("<style type='text/css' rel='stylesheet' />").appendTo($("head"));
|
|
var rowHeight = (options.rowHeight - cellHeightDiff);
|
|
var rules = [
|
|
"." + uid + " .slick-header-column { left: 1000px; }",
|
|
"." + uid + " .slick-top-panel { height:" + options.topPanelHeight + "px; }",
|
|
"." + uid + " .slick-headerrow-columns { height:" + options.headerRowHeight + "px; }",
|
|
"." + uid + " .slick-cell { height:" + rowHeight + "px; }",
|
|
"." + uid + " .slick-row { height:" + options.rowHeight + "px; }"
|
|
];
|
|
|
|
for (var i = 0; i < columns.length; i++) {
|
|
rules.push("." + uid + " .l" + i + " { }");
|
|
rules.push("." + uid + " .r" + i + " { }");
|
|
}
|
|
|
|
if ($style[0].styleSheet) { // IE
|
|
$style[0].styleSheet.cssText = rules.join(" ");
|
|
} else {
|
|
$style[0].appendChild(document.createTextNode(rules.join(" ")));
|
|
}
|
|
}
|
|
|
|
function getColumnCssRules(idx) {
|
|
if (!stylesheet) {
|
|
var sheets = document.styleSheets;
|
|
for (var i = 0; i < sheets.length; i++) {
|
|
if ((sheets[i].ownerNode || sheets[i].owningElement) == $style[0]) {
|
|
stylesheet = sheets[i];
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!stylesheet) {
|
|
throw new Error("Cannot find stylesheet.");
|
|
}
|
|
|
|
// find and cache column CSS rules
|
|
columnCssRulesL = [];
|
|
columnCssRulesR = [];
|
|
var cssRules = (stylesheet.cssRules || stylesheet.rules);
|
|
var matches, columnIdx;
|
|
for (var i = 0; i < cssRules.length; i++) {
|
|
var selector = cssRules[i].selectorText;
|
|
if (matches = /\.l\d+/.exec(selector)) {
|
|
columnIdx = parseInt(matches[0].substr(2, matches[0].length - 2), 10);
|
|
columnCssRulesL[columnIdx] = cssRules[i];
|
|
} else if (matches = /\.r\d+/.exec(selector)) {
|
|
columnIdx = parseInt(matches[0].substr(2, matches[0].length - 2), 10);
|
|
columnCssRulesR[columnIdx] = cssRules[i];
|
|
}
|
|
}
|
|
}
|
|
|
|
return {
|
|
"left": columnCssRulesL[idx],
|
|
"right": columnCssRulesR[idx]
|
|
};
|
|
}
|
|
|
|
function removeCssRules() {
|
|
$style.remove();
|
|
stylesheet = null;
|
|
}
|
|
|
|
function destroy() {
|
|
getEditorLock().cancelCurrentEdit();
|
|
|
|
trigger(self.onBeforeDestroy, {});
|
|
|
|
var i = plugins.length;
|
|
while(i--) {
|
|
unregisterPlugin(plugins[i]);
|
|
}
|
|
|
|
if (options.enableColumnReorder) {
|
|
$headers.filter(":ui-sortable").sortable("destroy");
|
|
}
|
|
|
|
unbindAncestorScrollEvents();
|
|
$container.unbind(".slickgrid");
|
|
removeCssRules();
|
|
|
|
$canvas.unbind("draginit dragstart dragend drag");
|
|
$container.empty().removeClass(uid);
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////////
|
|
// General
|
|
|
|
function trigger(evt, args, e) {
|
|
e = e || new Slick.EventData();
|
|
args = args || {};
|
|
args.grid = self;
|
|
return evt.notify(args, e, self);
|
|
}
|
|
|
|
function getEditorLock() {
|
|
return options.editorLock;
|
|
}
|
|
|
|
function getEditController() {
|
|
return editController;
|
|
}
|
|
|
|
function getColumnIndex(id) {
|
|
return columnsById[id];
|
|
}
|
|
|
|
function autosizeColumns() {
|
|
var i, c,
|
|
widths = [],
|
|
shrinkLeeway = 0,
|
|
total = 0,
|
|
prevTotal,
|
|
availWidth = viewportHasVScroll ? viewportW - scrollbarDimensions.width : viewportW;
|
|
|
|
for (i = 0; i < columns.length; i++) {
|
|
c = columns[i];
|
|
widths.push(c.width);
|
|
total += c.width;
|
|
if (c.resizable) {
|
|
shrinkLeeway += c.width - Math.max(c.minWidth, absoluteColumnMinWidth);
|
|
}
|
|
}
|
|
|
|
// shrink
|
|
prevTotal = total;
|
|
while (total > availWidth && shrinkLeeway) {
|
|
var shrinkProportion = (total - availWidth) / shrinkLeeway;
|
|
for (i = 0; i < columns.length && total > availWidth; i++) {
|
|
c = columns[i];
|
|
var width = widths[i];
|
|
if (!c.resizable || width <= c.minWidth || width <= absoluteColumnMinWidth) {
|
|
continue;
|
|
}
|
|
var absMinWidth = Math.max(c.minWidth, absoluteColumnMinWidth);
|
|
var shrinkSize = Math.floor(shrinkProportion * (width - absMinWidth)) || 1;
|
|
shrinkSize = Math.min(shrinkSize, width - absMinWidth);
|
|
total -= shrinkSize;
|
|
shrinkLeeway -= shrinkSize;
|
|
widths[i] -= shrinkSize;
|
|
}
|
|
if (prevTotal <= total) { // avoid infinite loop
|
|
break;
|
|
}
|
|
prevTotal = total;
|
|
}
|
|
|
|
// grow
|
|
prevTotal = total;
|
|
while (total < availWidth) {
|
|
var growProportion = availWidth / total;
|
|
for (i = 0; i < columns.length && total < availWidth; i++) {
|
|
c = columns[i];
|
|
var currentWidth = widths[i];
|
|
var growSize;
|
|
|
|
if (!c.resizable || c.maxWidth <= currentWidth) {
|
|
growSize = 0;
|
|
} else {
|
|
growSize = Math.min(Math.floor(growProportion * currentWidth) - currentWidth, (c.maxWidth - currentWidth) || 1000000) || 1;
|
|
}
|
|
total += growSize;
|
|
widths[i] += growSize;
|
|
}
|
|
if (prevTotal >= total) { // avoid infinite loop
|
|
break;
|
|
}
|
|
prevTotal = total;
|
|
}
|
|
|
|
var reRender = false;
|
|
for (i = 0; i < columns.length; i++) {
|
|
if (columns[i].rerenderOnResize && columns[i].width != widths[i]) {
|
|
reRender = true;
|
|
}
|
|
columns[i].width = widths[i];
|
|
}
|
|
|
|
applyColumnHeaderWidths();
|
|
updateCanvasWidth(true);
|
|
if (reRender) {
|
|
invalidateAllRows();
|
|
render();
|
|
}
|
|
}
|
|
|
|
function applyColumnHeaderWidths() {
|
|
if (!initialized) { return; }
|
|
var h;
|
|
for (var i = 0, headers = $headers.children(), ii = headers.length; i < ii; i++) {
|
|
h = $(headers[i]);
|
|
if (h.width() !== columns[i].width - headerColumnWidthDiff) {
|
|
h.width(columns[i].width - headerColumnWidthDiff);
|
|
}
|
|
}
|
|
|
|
updateColumnCaches();
|
|
}
|
|
|
|
function applyColumnWidths() {
|
|
var x = 0, w, rule;
|
|
for (var i = 0; i < columns.length; i++) {
|
|
w = columns[i].width;
|
|
|
|
rule = getColumnCssRules(i);
|
|
rule.left.style.left = x + "px";
|
|
rule.right.style.right = (canvasWidth - x - w) + "px";
|
|
|
|
x += columns[i].width;
|
|
}
|
|
}
|
|
|
|
function setSortColumn(columnId, ascending) {
|
|
setSortColumns([{ columnId: columnId, sortAsc: ascending}]);
|
|
}
|
|
|
|
function setSortColumns(cols) {
|
|
sortColumns = cols;
|
|
|
|
var headerColumnEls = $headers.children();
|
|
headerColumnEls
|
|
.removeClass("slick-header-column-sorted")
|
|
.find(".slick-sort-indicator")
|
|
.removeClass("slick-sort-indicator-asc slick-sort-indicator-desc");
|
|
|
|
$.each(sortColumns, function(i, col) {
|
|
if (col.sortAsc == null) {
|
|
col.sortAsc = true;
|
|
}
|
|
var columnIndex = getColumnIndex(col.columnId);
|
|
if (columnIndex != null) {
|
|
headerColumnEls.eq(columnIndex)
|
|
.addClass("slick-header-column-sorted")
|
|
.find(".slick-sort-indicator")
|
|
.addClass(col.sortAsc ? "slick-sort-indicator-asc" : "slick-sort-indicator-desc");
|
|
}
|
|
});
|
|
}
|
|
|
|
function getSortColumns() {
|
|
return sortColumns;
|
|
}
|
|
|
|
function handleSelectedRangesChanged(e, ranges) {
|
|
selectedRows = [];
|
|
var hash = {};
|
|
for (var i = 0; i < ranges.length; i++) {
|
|
for (var j = ranges[i].fromRow; j <= ranges[i].toRow; j++) {
|
|
if (!hash[j]) { // prevent duplicates
|
|
selectedRows.push(j);
|
|
hash[j] = {};
|
|
}
|
|
for (var k = ranges[i].fromCell; k <= ranges[i].toCell; k++) {
|
|
if (canCellBeSelected(j, k)) {
|
|
hash[j][columns[k].id] = options.selectedCellCssClass;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
setCellCssStyles(options.selectedCellCssClass, hash);
|
|
|
|
trigger(self.onSelectedRowsChanged, {rows: getSelectedRows()}, e);
|
|
}
|
|
|
|
function getColumns() {
|
|
return columns;
|
|
}
|
|
|
|
function updateColumnCaches() {
|
|
// Pre-calculate cell boundaries.
|
|
columnPosLeft = [];
|
|
columnPosRight = [];
|
|
var x = 0;
|
|
for (var i = 0, ii = columns.length; i < ii; i++) {
|
|
columnPosLeft[i] = x;
|
|
columnPosRight[i] = x + columns[i].width;
|
|
x += columns[i].width;
|
|
}
|
|
}
|
|
|
|
function setColumns(columnDefinitions) {
|
|
columns = columnDefinitions;
|
|
|
|
columnsById = {};
|
|
for (var i = 0; i < columns.length; i++) {
|
|
var m = columns[i] = $.extend({}, columnDefaults, columns[i]);
|
|
columnsById[m.id] = i;
|
|
if (m.minWidth && m.width < m.minWidth) {
|
|
m.width = m.minWidth;
|
|
}
|
|
if (m.maxWidth && m.width > m.maxWidth) {
|
|
m.width = m.maxWidth;
|
|
}
|
|
}
|
|
|
|
updateColumnCaches();
|
|
|
|
if (initialized) {
|
|
invalidateAllRows();
|
|
createColumnHeaders();
|
|
removeCssRules();
|
|
createCssRules();
|
|
resizeCanvas();
|
|
applyColumnWidths();
|
|
handleScroll();
|
|
}
|
|
}
|
|
|
|
function getOptions() {
|
|
return options;
|
|
}
|
|
|
|
function setOptions(args) {
|
|
if (!getEditorLock().commitCurrentEdit()) {
|
|
return;
|
|
}
|
|
|
|
makeActiveCellNormal();
|
|
|
|
if (options.enableAddRow !== args.enableAddRow) {
|
|
invalidateRow(getDataLength());
|
|
}
|
|
|
|
options = $.extend(options, args);
|
|
validateAndEnforceOptions();
|
|
|
|
$viewport.css("overflow-y", options.autoHeight ? "hidden" : "auto");
|
|
render();
|
|
}
|
|
|
|
function validateAndEnforceOptions() {
|
|
if (options.autoHeight) {
|
|
options.leaveSpaceForNewRows = false;
|
|
}
|
|
}
|
|
|
|
function setData(newData, scrollToTop) {
|
|
data = newData;
|
|
invalidateAllRows();
|
|
updateRowCount();
|
|
if (scrollToTop) {
|
|
scrollTo(0);
|
|
}
|
|
}
|
|
|
|
function getData() {
|
|
return data;
|
|
}
|
|
|
|
function getDataLength() {
|
|
if (data.getLength) {
|
|
return data.getLength();
|
|
} else {
|
|
return data.length;
|
|
}
|
|
}
|
|
|
|
function getDataLengthIncludingAddNew() {
|
|
return getDataLength() + (options.enableAddRow ? 1 : 0);
|
|
}
|
|
|
|
function getDataItem(i) {
|
|
if (data.getItem) {
|
|
return data.getItem(i);
|
|
} else {
|
|
return data[i];
|
|
}
|
|
}
|
|
|
|
function getTopPanel() {
|
|
return $topPanel[0];
|
|
}
|
|
|
|
function setTopPanelVisibility(visible) {
|
|
if (options.showTopPanel != visible) {
|
|
options.showTopPanel = visible;
|
|
if (visible) {
|
|
$topPanelScroller.slideDown("fast", resizeCanvas);
|
|
} else {
|
|
$topPanelScroller.slideUp("fast", resizeCanvas);
|
|
}
|
|
}
|
|
}
|
|
|
|
function setHeaderRowVisibility(visible) {
|
|
if (options.showHeaderRow != visible) {
|
|
options.showHeaderRow = visible;
|
|
if (visible) {
|
|
$headerRowScroller.slideDown("fast", resizeCanvas);
|
|
} else {
|
|
$headerRowScroller.slideUp("fast", resizeCanvas);
|
|
}
|
|
}
|
|
}
|
|
|
|
function getContainerNode() {
|
|
return $container.get(0);
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////////
|
|
// Rendering / Scrolling
|
|
|
|
function getRowTop(row) {
|
|
return options.rowHeight * row - offset;
|
|
}
|
|
|
|
function getRowFromPosition(y) {
|
|
return Math.floor((y + offset) / options.rowHeight);
|
|
}
|
|
|
|
function scrollTo(y) {
|
|
y = Math.max(y, 0);
|
|
y = Math.min(y, th - viewportH + (viewportHasHScroll ? scrollbarDimensions.height : 0));
|
|
|
|
var oldOffset = offset;
|
|
|
|
page = Math.min(n - 1, Math.floor(y / ph));
|
|
offset = Math.round(page * cj);
|
|
var newScrollTop = y - offset;
|
|
|
|
if (offset != oldOffset) {
|
|
var range = getVisibleRange(newScrollTop);
|
|
cleanupRows(range);
|
|
updateRowPositions();
|
|
}
|
|
|
|
if (prevScrollTop != newScrollTop) {
|
|
vScrollDir = (prevScrollTop + oldOffset < newScrollTop + offset) ? 1 : -1;
|
|
$viewport[0].scrollTop = (lastRenderedScrollTop = scrollTop = prevScrollTop = newScrollTop);
|
|
|
|
trigger(self.onViewportChanged, {});
|
|
}
|
|
}
|
|
|
|
function defaultFormatter(row, cell, value, columnDef, dataContext) {
|
|
if (value == null) {
|
|
return "";
|
|
} else {
|
|
return (value + "").replace(/&/g,"&").replace(/</g,"<").replace(/>/g,">");
|
|
}
|
|
}
|
|
|
|
function getFormatter(row, column) {
|
|
var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);
|
|
|
|
// look up by id, then index
|
|
var columnOverrides = rowMetadata &&
|
|
rowMetadata.columns &&
|
|
(rowMetadata.columns[column.id] || rowMetadata.columns[getColumnIndex(column.id)]);
|
|
|
|
return (columnOverrides && columnOverrides.formatter) ||
|
|
(rowMetadata && rowMetadata.formatter) ||
|
|
column.formatter ||
|
|
(options.formatterFactory && options.formatterFactory.getFormatter(column)) ||
|
|
options.defaultFormatter;
|
|
}
|
|
|
|
function getEditor(row, cell) {
|
|
var column = columns[cell];
|
|
var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);
|
|
var columnMetadata = rowMetadata && rowMetadata.columns;
|
|
|
|
if (columnMetadata && columnMetadata[column.id] && columnMetadata[column.id].editor !== undefined) {
|
|
return columnMetadata[column.id].editor;
|
|
}
|
|
if (columnMetadata && columnMetadata[cell] && columnMetadata[cell].editor !== undefined) {
|
|
return columnMetadata[cell].editor;
|
|
}
|
|
|
|
return column.editor || (options.editorFactory && options.editorFactory.getEditor(column));
|
|
}
|
|
|
|
function getDataItemValueForColumn(item, columnDef) {
|
|
if (options.dataItemColumnValueExtractor) {
|
|
return options.dataItemColumnValueExtractor(item, columnDef);
|
|
}
|
|
return item[columnDef.field];
|
|
}
|
|
|
|
function appendRowHtml(stringArray, row, range, dataLength) {
|
|
var d = getDataItem(row);
|
|
var dataLoading = row < dataLength && !d;
|
|
var rowCss = "slick-row" +
|
|
(dataLoading ? " loading" : "") +
|
|
(row === activeRow ? " active" : "") +
|
|
(row % 2 == 1 ? " odd" : " even");
|
|
|
|
if (!d) {
|
|
rowCss += " " + options.addNewRowCssClass;
|
|
}
|
|
|
|
var metadata = data.getItemMetadata && data.getItemMetadata(row);
|
|
|
|
if (metadata && metadata.cssClasses) {
|
|
rowCss += " " + metadata.cssClasses;
|
|
}
|
|
|
|
stringArray.push("<div class='ui-widget-content " + rowCss + "' style='top:" + getRowTop(row) + "px'>");
|
|
|
|
var colspan, m;
|
|
for (var i = 0, ii = columns.length; i < ii; i++) {
|
|
m = columns[i];
|
|
colspan = 1;
|
|
if (metadata && metadata.columns) {
|
|
var columnData = metadata.columns[m.id] || metadata.columns[i];
|
|
colspan = (columnData && columnData.colspan) || 1;
|
|
if (colspan === "*") {
|
|
colspan = ii - i;
|
|
}
|
|
}
|
|
|
|
// Do not render cells outside of the viewport.
|
|
if (columnPosRight[Math.min(ii - 1, i + colspan - 1)] > range.leftPx) {
|
|
if (columnPosLeft[i] > range.rightPx) {
|
|
// All columns to the right are outside the range.
|
|
break;
|
|
}
|
|
|
|
appendCellHtml(stringArray, row, i, colspan, d);
|
|
}
|
|
|
|
if (colspan > 1) {
|
|
i += (colspan - 1);
|
|
}
|
|
}
|
|
|
|
stringArray.push("</div>");
|
|
}
|
|
|
|
function appendCellHtml(stringArray, row, cell, colspan, item) {
|
|
var m = columns[cell];
|
|
var cellCss = "slick-cell l" + cell + " r" + Math.min(columns.length - 1, cell + colspan - 1) +
|
|
(m.cssClass ? " " + m.cssClass : "");
|
|
if (row === activeRow && cell === activeCell) {
|
|
cellCss += (" active");
|
|
}
|
|
|
|
// TODO: merge them together in the setter
|
|
for (var key in cellCssClasses) {
|
|
if (cellCssClasses[key][row] && cellCssClasses[key][row][m.id]) {
|
|
cellCss += (" " + cellCssClasses[key][row][m.id]);
|
|
}
|
|
}
|
|
|
|
stringArray.push("<div class='" + cellCss + "'>");
|
|
|
|
// if there is a corresponding row (if not, this is the Add New row or this data hasn't been loaded yet)
|
|
if (item) {
|
|
var value = getDataItemValueForColumn(item, m);
|
|
stringArray.push(getFormatter(row, m)(row, cell, value, m, item));
|
|
}
|
|
|
|
stringArray.push("</div>");
|
|
|
|
rowsCache[row].cellRenderQueue.push(cell);
|
|
rowsCache[row].cellColSpans[cell] = colspan;
|
|
}
|
|
|
|
|
|
function cleanupRows(rangeToKeep) {
|
|
for (var i in rowsCache) {
|
|
if (((i = parseInt(i, 10)) !== activeRow) && (i < rangeToKeep.top || i > rangeToKeep.bottom)) {
|
|
removeRowFromCache(i);
|
|
}
|
|
}
|
|
}
|
|
|
|
function invalidate() {
|
|
updateRowCount();
|
|
invalidateAllRows();
|
|
render();
|
|
}
|
|
|
|
function invalidateAllRows() {
|
|
if (currentEditor) {
|
|
makeActiveCellNormal();
|
|
}
|
|
for (var row in rowsCache) {
|
|
removeRowFromCache(row);
|
|
}
|
|
}
|
|
|
|
function removeRowFromCache(row) {
|
|
var cacheEntry = rowsCache[row];
|
|
if (!cacheEntry) {
|
|
return;
|
|
}
|
|
|
|
if (rowNodeFromLastMouseWheelEvent == cacheEntry.rowNode) {
|
|
cacheEntry.rowNode.style.display = 'none';
|
|
zombieRowNodeFromLastMouseWheelEvent = rowNodeFromLastMouseWheelEvent;
|
|
} else {
|
|
$canvas[0].removeChild(cacheEntry.rowNode);
|
|
}
|
|
|
|
delete rowsCache[row];
|
|
delete postProcessedRows[row];
|
|
renderedRows--;
|
|
counter_rows_removed++;
|
|
}
|
|
|
|
function invalidateRows(rows) {
|
|
var i, rl;
|
|
if (!rows || !rows.length) {
|
|
return;
|
|
}
|
|
vScrollDir = 0;
|
|
for (i = 0, rl = rows.length; i < rl; i++) {
|
|
if (currentEditor && activeRow === rows[i]) {
|
|
makeActiveCellNormal();
|
|
}
|
|
if (rowsCache[rows[i]]) {
|
|
removeRowFromCache(rows[i]);
|
|
}
|
|
}
|
|
}
|
|
|
|
function invalidateRow(row) {
|
|
invalidateRows([row]);
|
|
}
|
|
|
|
function updateCell(row, cell) {
|
|
var cellNode = getCellNode(row, cell);
|
|
if (!cellNode) {
|
|
return;
|
|
}
|
|
|
|
var m = columns[cell], d = getDataItem(row);
|
|
if (currentEditor && activeRow === row && activeCell === cell) {
|
|
currentEditor.loadValue(d);
|
|
} else {
|
|
cellNode.innerHTML = d ? getFormatter(row, m)(row, cell, getDataItemValueForColumn(d, m), m, d) : "";
|
|
invalidatePostProcessingResults(row);
|
|
}
|
|
}
|
|
|
|
function updateRow(row) {
|
|
var cacheEntry = rowsCache[row];
|
|
if (!cacheEntry) {
|
|
return;
|
|
}
|
|
|
|
ensureCellNodesInRowsCache(row);
|
|
|
|
var d = getDataItem(row);
|
|
|
|
for (var columnIdx in cacheEntry.cellNodesByColumnIdx) {
|
|
if (!cacheEntry.cellNodesByColumnIdx.hasOwnProperty(columnIdx)) {
|
|
continue;
|
|
}
|
|
|
|
columnIdx = columnIdx | 0;
|
|
var m = columns[columnIdx],
|
|
node = cacheEntry.cellNodesByColumnIdx[columnIdx];
|
|
|
|
if (row === activeRow && columnIdx === activeCell && currentEditor) {
|
|
currentEditor.loadValue(d);
|
|
} else if (d) {
|
|
node.innerHTML = getFormatter(row, m)(row, columnIdx, getDataItemValueForColumn(d, m), m, d);
|
|
} else {
|
|
node.innerHTML = "";
|
|
}
|
|
}
|
|
|
|
invalidatePostProcessingResults(row);
|
|
}
|
|
|
|
function getViewportHeight() {
|
|
return parseFloat($.css($container[0], "height", true)) -
|
|
parseFloat($.css($container[0], "paddingTop", true)) -
|
|
parseFloat($.css($container[0], "paddingBottom", true)) -
|
|
parseFloat($.css($headerScroller[0], "height")) - getVBoxDelta($headerScroller) -
|
|
(options.showTopPanel ? options.topPanelHeight + getVBoxDelta($topPanelScroller) : 0) -
|
|
(options.showHeaderRow ? options.headerRowHeight + getVBoxDelta($headerRowScroller) : 0);
|
|
}
|
|
|
|
function resizeCanvas() {
|
|
if (!initialized) { return; }
|
|
if (options.autoHeight) {
|
|
viewportH = options.rowHeight * getDataLengthIncludingAddNew();
|
|
} else {
|
|
viewportH = getViewportHeight();
|
|
}
|
|
|
|
numVisibleRows = Math.ceil(viewportH / options.rowHeight);
|
|
viewportW = parseFloat($.css($container[0], "width", true));
|
|
if (!options.autoHeight) {
|
|
$viewport.height(viewportH);
|
|
}
|
|
|
|
if (options.forceFitColumns) {
|
|
autosizeColumns();
|
|
}
|
|
|
|
updateRowCount();
|
|
handleScroll();
|
|
// Since the width has changed, force the render() to reevaluate virtually rendered cells.
|
|
lastRenderedScrollLeft = -1;
|
|
render();
|
|
}
|
|
|
|
function updateRowCount() {
|
|
if (!initialized) { return; }
|
|
|
|
var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();
|
|
var numberOfRows = dataLengthIncludingAddNew +
|
|
(options.leaveSpaceForNewRows ? numVisibleRows - 1 : 0);
|
|
|
|
var oldViewportHasVScroll = viewportHasVScroll;
|
|
// with autoHeight, we do not need to accommodate the vertical scroll bar
|
|
viewportHasVScroll = !options.autoHeight && (numberOfRows * options.rowHeight > viewportH);
|
|
|
|
makeActiveCellNormal();
|
|
|
|
// remove the rows that are now outside of the data range
|
|
// this helps avoid redundant calls to .removeRow() when the size of the data decreased by thousands of rows
|
|
var l = dataLengthIncludingAddNew - 1;
|
|
for (var i in rowsCache) {
|
|
if (i >= l) {
|
|
removeRowFromCache(i);
|
|
}
|
|
}
|
|
|
|
if (activeCellNode && activeRow > l) {
|
|
resetActiveCell();
|
|
}
|
|
|
|
var oldH = h;
|
|
th = Math.max(options.rowHeight * numberOfRows, viewportH - scrollbarDimensions.height);
|
|
if (th < maxSupportedCssHeight) {
|
|
// just one page
|
|
h = ph = th;
|
|
n = 1;
|
|
cj = 0;
|
|
} else {
|
|
// break into pages
|
|
h = maxSupportedCssHeight;
|
|
ph = h / 100;
|
|
n = Math.floor(th / ph);
|
|
cj = (th - h) / (n - 1);
|
|
}
|
|
|
|
if (h !== oldH) {
|
|
$canvas.css("height", h);
|
|
scrollTop = $viewport[0].scrollTop;
|
|
}
|
|
|
|
var oldScrollTopInRange = (scrollTop + offset <= th - viewportH);
|
|
|
|
if (th == 0 || scrollTop == 0) {
|
|
page = offset = 0;
|
|
} else if (oldScrollTopInRange) {
|
|
// maintain virtual position
|
|
scrollTo(scrollTop + offset);
|
|
} else {
|
|
// scroll to bottom
|
|
scrollTo(th - viewportH);
|
|
}
|
|
|
|
if (h != oldH && options.autoHeight) {
|
|
resizeCanvas();
|
|
}
|
|
|
|
if (options.forceFitColumns && oldViewportHasVScroll != viewportHasVScroll) {
|
|
autosizeColumns();
|
|
}
|
|
updateCanvasWidth(false);
|
|
}
|
|
|
|
function getVisibleRange(viewportTop, viewportLeft) {
|
|
if (viewportTop == null) {
|
|
viewportTop = scrollTop;
|
|
}
|
|
if (viewportLeft == null) {
|
|
viewportLeft = scrollLeft;
|
|
}
|
|
|
|
return {
|
|
top: getRowFromPosition(viewportTop),
|
|
bottom: getRowFromPosition(viewportTop + viewportH) + 1,
|
|
leftPx: viewportLeft,
|
|
rightPx: viewportLeft + viewportW
|
|
};
|
|
}
|
|
|
|
function getRenderedRange(viewportTop, viewportLeft) {
|
|
var range = getVisibleRange(viewportTop, viewportLeft);
|
|
var buffer = Math.round(viewportH / options.rowHeight);
|
|
var minBuffer = 3;
|
|
|
|
if (vScrollDir == -1) {
|
|
range.top -= buffer;
|
|
range.bottom += minBuffer;
|
|
} else if (vScrollDir == 1) {
|
|
range.top -= minBuffer;
|
|
range.bottom += buffer;
|
|
} else {
|
|
range.top -= minBuffer;
|
|
range.bottom += minBuffer;
|
|
}
|
|
|
|
range.top = Math.max(0, range.top);
|
|
range.bottom = Math.min(getDataLengthIncludingAddNew() - 1, range.bottom);
|
|
|
|
range.leftPx -= viewportW;
|
|
range.rightPx += viewportW;
|
|
|
|
range.leftPx = Math.max(0, range.leftPx);
|
|
range.rightPx = Math.min(canvasWidth, range.rightPx);
|
|
|
|
return range;
|
|
}
|
|
|
|
function ensureCellNodesInRowsCache(row) {
|
|
var cacheEntry = rowsCache[row];
|
|
if (cacheEntry) {
|
|
if (cacheEntry.cellRenderQueue.length) {
|
|
var lastChild = cacheEntry.rowNode.lastChild;
|
|
while (cacheEntry.cellRenderQueue.length) {
|
|
var columnIdx = cacheEntry.cellRenderQueue.pop();
|
|
cacheEntry.cellNodesByColumnIdx[columnIdx] = lastChild;
|
|
lastChild = lastChild.previousSibling;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function cleanUpCells(range, row) {
|
|
var totalCellsRemoved = 0;
|
|
var cacheEntry = rowsCache[row];
|
|
|
|
// Remove cells outside the range.
|
|
var cellsToRemove = [];
|
|
for (var i in cacheEntry.cellNodesByColumnIdx) {
|
|
// I really hate it when people mess with Array.prototype.
|
|
if (!cacheEntry.cellNodesByColumnIdx.hasOwnProperty(i)) {
|
|
continue;
|
|
}
|
|
|
|
// This is a string, so it needs to be cast back to a number.
|
|
i = i | 0;
|
|
|
|
var colspan = cacheEntry.cellColSpans[i];
|
|
if (columnPosLeft[i] > range.rightPx ||
|
|
columnPosRight[Math.min(columns.length - 1, i + colspan - 1)] < range.leftPx) {
|
|
if (!(row == activeRow && i == activeCell)) {
|
|
cellsToRemove.push(i);
|
|
}
|
|
}
|
|
}
|
|
|
|
var cellToRemove;
|
|
while ((cellToRemove = cellsToRemove.pop()) != null) {
|
|
cacheEntry.rowNode.removeChild(cacheEntry.cellNodesByColumnIdx[cellToRemove]);
|
|
delete cacheEntry.cellColSpans[cellToRemove];
|
|
delete cacheEntry.cellNodesByColumnIdx[cellToRemove];
|
|
if (postProcessedRows[row]) {
|
|
delete postProcessedRows[row][cellToRemove];
|
|
}
|
|
totalCellsRemoved++;
|
|
}
|
|
}
|
|
|
|
function cleanUpAndRenderCells(range) {
|
|
var cacheEntry;
|
|
var stringArray = [];
|
|
var processedRows = [];
|
|
var cellsAdded;
|
|
var totalCellsAdded = 0;
|
|
var colspan;
|
|
|
|
for (var row = range.top, btm = range.bottom; row <= btm; row++) {
|
|
cacheEntry = rowsCache[row];
|
|
if (!cacheEntry) {
|
|
continue;
|
|
}
|
|
|
|
// cellRenderQueue populated in renderRows() needs to be cleared first
|
|
ensureCellNodesInRowsCache(row);
|
|
|
|
cleanUpCells(range, row);
|
|
|
|
// Render missing cells.
|
|
cellsAdded = 0;
|
|
|
|
var metadata = data.getItemMetadata && data.getItemMetadata(row);
|
|
metadata = metadata && metadata.columns;
|
|
|
|
var d = getDataItem(row);
|
|
|
|
// TODO: shorten this loop (index? heuristics? binary search?)
|
|
for (var i = 0, ii = columns.length; i < ii; i++) {
|
|
// Cells to the right are outside the range.
|
|
if (columnPosLeft[i] > range.rightPx) {
|
|
break;
|
|
}
|
|
|
|
// Already rendered.
|
|
if ((colspan = cacheEntry.cellColSpans[i]) != null) {
|
|
i += (colspan > 1 ? colspan - 1 : 0);
|
|
continue;
|
|
}
|
|
|
|
colspan = 1;
|
|
if (metadata) {
|
|
var columnData = metadata[columns[i].id] || metadata[i];
|
|
colspan = (columnData && columnData.colspan) || 1;
|
|
if (colspan === "*") {
|
|
colspan = ii - i;
|
|
}
|
|
}
|
|
|
|
if (columnPosRight[Math.min(ii - 1, i + colspan - 1)] > range.leftPx) {
|
|
appendCellHtml(stringArray, row, i, colspan, d);
|
|
cellsAdded++;
|
|
}
|
|
|
|
i += (colspan > 1 ? colspan - 1 : 0);
|
|
}
|
|
|
|
if (cellsAdded) {
|
|
totalCellsAdded += cellsAdded;
|
|
processedRows.push(row);
|
|
}
|
|
}
|
|
|
|
if (!stringArray.length) {
|
|
return;
|
|
}
|
|
|
|
var x = document.createElement("div");
|
|
x.innerHTML = stringArray.join("");
|
|
|
|
var processedRow;
|
|
var node;
|
|
while ((processedRow = processedRows.pop()) != null) {
|
|
cacheEntry = rowsCache[processedRow];
|
|
var columnIdx;
|
|
while ((columnIdx = cacheEntry.cellRenderQueue.pop()) != null) {
|
|
node = x.lastChild;
|
|
cacheEntry.rowNode.appendChild(node);
|
|
cacheEntry.cellNodesByColumnIdx[columnIdx] = node;
|
|
}
|
|
}
|
|
}
|
|
|
|
function renderRows(range) {
|
|
var parentNode = $canvas[0],
|
|
stringArray = [],
|
|
rows = [],
|
|
needToReselectCell = false,
|
|
dataLength = getDataLength();
|
|
|
|
for (var i = range.top, ii = range.bottom; i <= ii; i++) {
|
|
if (rowsCache[i]) {
|
|
continue;
|
|
}
|
|
renderedRows++;
|
|
rows.push(i);
|
|
|
|
// Create an entry right away so that appendRowHtml() can
|
|
// start populatating it.
|
|
rowsCache[i] = {
|
|
"rowNode": null,
|
|
|
|
// ColSpans of rendered cells (by column idx).
|
|
// Can also be used for checking whether a cell has been rendered.
|
|
"cellColSpans": [],
|
|
|
|
// Cell nodes (by column idx). Lazy-populated by ensureCellNodesInRowsCache().
|
|
"cellNodesByColumnIdx": [],
|
|
|
|
// Column indices of cell nodes that have been rendered, but not yet indexed in
|
|
// cellNodesByColumnIdx. These are in the same order as cell nodes added at the
|
|
// end of the row.
|
|
"cellRenderQueue": []
|
|
};
|
|
|
|
appendRowHtml(stringArray, i, range, dataLength);
|
|
if (activeCellNode && activeRow === i) {
|
|
needToReselectCell = true;
|
|
}
|
|
counter_rows_rendered++;
|
|
}
|
|
|
|
if (!rows.length) { return; }
|
|
|
|
var x = document.createElement("div");
|
|
x.innerHTML = stringArray.join("");
|
|
|
|
for (var i = 0, ii = rows.length; i < ii; i++) {
|
|
rowsCache[rows[i]].rowNode = parentNode.appendChild(x.firstChild);
|
|
}
|
|
|
|
if (needToReselectCell) {
|
|
activeCellNode = getCellNode(activeRow, activeCell);
|
|
}
|
|
}
|
|
|
|
function startPostProcessing() {
|
|
if (!options.enableAsyncPostRender) {
|
|
return;
|
|
}
|
|
clearTimeout(h_postrender);
|
|
h_postrender = setTimeout(asyncPostProcessRows, options.asyncPostRenderDelay);
|
|
}
|
|
|
|
function invalidatePostProcessingResults(row) {
|
|
delete postProcessedRows[row];
|
|
postProcessFromRow = Math.min(postProcessFromRow, row);
|
|
postProcessToRow = Math.max(postProcessToRow, row);
|
|
startPostProcessing();
|
|
}
|
|
|
|
function updateRowPositions() {
|
|
for (var row in rowsCache) {
|
|
rowsCache[row].rowNode.style.top = getRowTop(row) + "px";
|
|
}
|
|
}
|
|
|
|
function render() {
|
|
if (!initialized) { return; }
|
|
var visible = getVisibleRange();
|
|
var rendered = getRenderedRange();
|
|
|
|
// remove rows no longer in the viewport
|
|
cleanupRows(rendered);
|
|
|
|
// add new rows & missing cells in existing rows
|
|
if (lastRenderedScrollLeft != scrollLeft) {
|
|
cleanUpAndRenderCells(rendered);
|
|
}
|
|
|
|
// render missing rows
|
|
renderRows(rendered);
|
|
|
|
postProcessFromRow = visible.top;
|
|
postProcessToRow = Math.min(getDataLengthIncludingAddNew() - 1, visible.bottom);
|
|
startPostProcessing();
|
|
|
|
lastRenderedScrollTop = scrollTop;
|
|
lastRenderedScrollLeft = scrollLeft;
|
|
h_render = null;
|
|
}
|
|
|
|
function handleHeaderRowScroll() {
|
|
var scrollLeft = $headerRowScroller[0].scrollLeft;
|
|
if (scrollLeft != $viewport[0].scrollLeft) {
|
|
$viewport[0].scrollLeft = scrollLeft;
|
|
}
|
|
}
|
|
|
|
function handleScroll() {
|
|
scrollTop = $viewport[0].scrollTop;
|
|
scrollLeft = $viewport[0].scrollLeft;
|
|
var vScrollDist = Math.abs(scrollTop - prevScrollTop);
|
|
var hScrollDist = Math.abs(scrollLeft - prevScrollLeft);
|
|
|
|
if (hScrollDist) {
|
|
prevScrollLeft = scrollLeft;
|
|
$headerScroller[0].scrollLeft = scrollLeft;
|
|
$topPanelScroller[0].scrollLeft = scrollLeft;
|
|
$headerRowScroller[0].scrollLeft = scrollLeft;
|
|
}
|
|
|
|
if (vScrollDist) {
|
|
vScrollDir = prevScrollTop < scrollTop ? 1 : -1;
|
|
prevScrollTop = scrollTop;
|
|
|
|
// switch virtual pages if needed
|
|
if (vScrollDist < viewportH) {
|
|
scrollTo(scrollTop + offset);
|
|
} else {
|
|
var oldOffset = offset;
|
|
if (h == viewportH) {
|
|
page = 0;
|
|
} else {
|
|
page = Math.min(n - 1, Math.floor(scrollTop * ((th - viewportH) / (h - viewportH)) * (1 / ph)));
|
|
}
|
|
offset = Math.round(page * cj);
|
|
if (oldOffset != offset) {
|
|
invalidateAllRows();
|
|
}
|
|
}
|
|
}
|
|
|
|
if (hScrollDist || vScrollDist) {
|
|
if (h_render) {
|
|
clearTimeout(h_render);
|
|
}
|
|
|
|
if (Math.abs(lastRenderedScrollTop - scrollTop) > 20 ||
|
|
Math.abs(lastRenderedScrollLeft - scrollLeft) > 20) {
|
|
if (options.forceSyncScrolling || (
|
|
Math.abs(lastRenderedScrollTop - scrollTop) < viewportH &&
|
|
Math.abs(lastRenderedScrollLeft - scrollLeft) < viewportW)) {
|
|
render();
|
|
} else {
|
|
h_render = setTimeout(render, 50);
|
|
}
|
|
|
|
trigger(self.onViewportChanged, {});
|
|
}
|
|
}
|
|
|
|
trigger(self.onScroll, {scrollLeft: scrollLeft, scrollTop: scrollTop});
|
|
}
|
|
|
|
function asyncPostProcessRows() {
|
|
var dataLength = getDataLength();
|
|
while (postProcessFromRow <= postProcessToRow) {
|
|
var row = (vScrollDir >= 0) ? postProcessFromRow++ : postProcessToRow--;
|
|
var cacheEntry = rowsCache[row];
|
|
if (!cacheEntry || row >= dataLength) {
|
|
continue;
|
|
}
|
|
|
|
if (!postProcessedRows[row]) {
|
|
postProcessedRows[row] = {};
|
|
}
|
|
|
|
ensureCellNodesInRowsCache(row);
|
|
for (var columnIdx in cacheEntry.cellNodesByColumnIdx) {
|
|
if (!cacheEntry.cellNodesByColumnIdx.hasOwnProperty(columnIdx)) {
|
|
continue;
|
|
}
|
|
|
|
columnIdx = columnIdx | 0;
|
|
|
|
var m = columns[columnIdx];
|
|
if (m.asyncPostRender && !postProcessedRows[row][columnIdx]) {
|
|
var node = cacheEntry.cellNodesByColumnIdx[columnIdx];
|
|
if (node) {
|
|
m.asyncPostRender(node, row, getDataItem(row), m);
|
|
}
|
|
postProcessedRows[row][columnIdx] = true;
|
|
}
|
|
}
|
|
|
|
h_postrender = setTimeout(asyncPostProcessRows, options.asyncPostRenderDelay);
|
|
return;
|
|
}
|
|
}
|
|
|
|
function updateCellCssStylesOnRenderedRows(addedHash, removedHash) {
|
|
var node, columnId, addedRowHash, removedRowHash;
|
|
for (var row in rowsCache) {
|
|
removedRowHash = removedHash && removedHash[row];
|
|
addedRowHash = addedHash && addedHash[row];
|
|
|
|
if (removedRowHash) {
|
|
for (columnId in removedRowHash) {
|
|
if (!addedRowHash || removedRowHash[columnId] != addedRowHash[columnId]) {
|
|
node = getCellNode(row, getColumnIndex(columnId));
|
|
if (node) {
|
|
$(node).removeClass(removedRowHash[columnId]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (addedRowHash) {
|
|
for (columnId in addedRowHash) {
|
|
if (!removedRowHash || removedRowHash[columnId] != addedRowHash[columnId]) {
|
|
node = getCellNode(row, getColumnIndex(columnId));
|
|
if (node) {
|
|
$(node).addClass(addedRowHash[columnId]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function addCellCssStyles(key, hash) {
|
|
if (cellCssClasses[key]) {
|
|
throw "addCellCssStyles: cell CSS hash with key '" + key + "' already exists.";
|
|
}
|
|
|
|
cellCssClasses[key] = hash;
|
|
updateCellCssStylesOnRenderedRows(hash, null);
|
|
|
|
trigger(self.onCellCssStylesChanged, { "key": key, "hash": hash });
|
|
}
|
|
|
|
function removeCellCssStyles(key) {
|
|
if (!cellCssClasses[key]) {
|
|
return;
|
|
}
|
|
|
|
updateCellCssStylesOnRenderedRows(null, cellCssClasses[key]);
|
|
delete cellCssClasses[key];
|
|
|
|
trigger(self.onCellCssStylesChanged, { "key": key, "hash": null });
|
|
}
|
|
|
|
function setCellCssStyles(key, hash) {
|
|
var prevHash = cellCssClasses[key];
|
|
|
|
cellCssClasses[key] = hash;
|
|
updateCellCssStylesOnRenderedRows(hash, prevHash);
|
|
|
|
trigger(self.onCellCssStylesChanged, { "key": key, "hash": hash });
|
|
}
|
|
|
|
function getCellCssStyles(key) {
|
|
return cellCssClasses[key];
|
|
}
|
|
|
|
function flashCell(row, cell, speed) {
|
|
speed = speed || 100;
|
|
if (rowsCache[row]) {
|
|
var $cell = $(getCellNode(row, cell));
|
|
|
|
function toggleCellClass(times) {
|
|
if (!times) {
|
|
return;
|
|
}
|
|
setTimeout(function () {
|
|
$cell.queue(function () {
|
|
$cell.toggleClass(options.cellFlashingCssClass).dequeue();
|
|
toggleCellClass(times - 1);
|
|
});
|
|
},
|
|
speed);
|
|
}
|
|
|
|
toggleCellClass(4);
|
|
}
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////////
|
|
// Interactivity
|
|
|
|
function handleMouseWheel(e) {
|
|
var rowNode = $(e.target).closest(".slick-row")[0];
|
|
if (rowNode != rowNodeFromLastMouseWheelEvent) {
|
|
if (zombieRowNodeFromLastMouseWheelEvent && zombieRowNodeFromLastMouseWheelEvent != rowNode) {
|
|
$canvas[0].removeChild(zombieRowNodeFromLastMouseWheelEvent);
|
|
zombieRowNodeFromLastMouseWheelEvent = null;
|
|
}
|
|
rowNodeFromLastMouseWheelEvent = rowNode;
|
|
}
|
|
}
|
|
|
|
function handleDragInit(e, dd) {
|
|
var cell = getCellFromEvent(e);
|
|
if (!cell || !cellExists(cell.row, cell.cell)) {
|
|
return false;
|
|
}
|
|
|
|
var retval = trigger(self.onDragInit, dd, e);
|
|
if (e.isImmediatePropagationStopped()) {
|
|
return retval;
|
|
}
|
|
|
|
// if nobody claims to be handling drag'n'drop by stopping immediate propagation,
|
|
// cancel out of it
|
|
return false;
|
|
}
|
|
|
|
function handleDragStart(e, dd) {
|
|
var cell = getCellFromEvent(e);
|
|
if (!cell || !cellExists(cell.row, cell.cell)) {
|
|
return false;
|
|
}
|
|
|
|
var retval = trigger(self.onDragStart, dd, e);
|
|
if (e.isImmediatePropagationStopped()) {
|
|
return retval;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
function handleDrag(e, dd) {
|
|
return trigger(self.onDrag, dd, e);
|
|
}
|
|
|
|
function handleDragEnd(e, dd) {
|
|
trigger(self.onDragEnd, dd, e);
|
|
}
|
|
|
|
function handleKeyDown(e) {
|
|
trigger(self.onKeyDown, {row: activeRow, cell: activeCell}, e);
|
|
var handled = e.isImmediatePropagationStopped();
|
|
|
|
if (!handled) {
|
|
if (!e.shiftKey && !e.altKey && !e.ctrlKey) {
|
|
if (e.which == 27) {
|
|
if (!getEditorLock().isActive()) {
|
|
return; // no editing mode to cancel, allow bubbling and default processing (exit without cancelling the event)
|
|
}
|
|
cancelEditAndSetFocus();
|
|
} else if (e.which == 34) {
|
|
navigatePageDown();
|
|
handled = true;
|
|
} else if (e.which == 33) {
|
|
navigatePageUp();
|
|
handled = true;
|
|
} else if (e.which == 37) {
|
|
handled = navigateLeft();
|
|
} else if (e.which == 39) {
|
|
handled = navigateRight();
|
|
} else if (e.which == 38) {
|
|
handled = navigateUp();
|
|
} else if (e.which == 40) {
|
|
handled = navigateDown();
|
|
} else if (e.which == 9) {
|
|
handled = navigateNext();
|
|
} else if (e.which == 13) {
|
|
if (options.editable) {
|
|
if (currentEditor) {
|
|
// adding new row
|
|
if (activeRow === getDataLength()) {
|
|
navigateDown();
|
|
} else {
|
|
commitEditAndSetFocus();
|
|
}
|
|
} else {
|
|
if (getEditorLock().commitCurrentEdit()) {
|
|
makeActiveCellEditable();
|
|
}
|
|
}
|
|
}
|
|
handled = true;
|
|
}
|
|
} else if (e.which == 9 && e.shiftKey && !e.ctrlKey && !e.altKey) {
|
|
handled = navigatePrev();
|
|
}
|
|
}
|
|
|
|
if (handled) {
|
|
// the event has been handled so don't let parent element (bubbling/propagation) or browser (default) handle it
|
|
e.stopPropagation();
|
|
e.preventDefault();
|
|
try {
|
|
e.originalEvent.keyCode = 0; // prevent default behaviour for special keys in IE browsers (F3, F5, etc.)
|
|
}
|
|
// ignore exceptions - setting the original event's keycode throws access denied exception for "Ctrl"
|
|
// (hitting control key only, nothing else), "Shift" (maybe others)
|
|
catch (error) {
|
|
}
|
|
}
|
|
}
|
|
|
|
function handleClick(e) {
|
|
if (!currentEditor) {
|
|
// if this click resulted in some cell child node getting focus,
|
|
// don't steal it back - keyboard events will still bubble up
|
|
// IE9+ seems to default DIVs to tabIndex=0 instead of -1, so check for cell clicks directly.
|
|
if (e.target != document.activeElement || $(e.target).hasClass("slick-cell")) {
|
|
setFocus();
|
|
}
|
|
}
|
|
|
|
var cell = getCellFromEvent(e);
|
|
if (!cell || (currentEditor !== null && activeRow == cell.row && activeCell == cell.cell)) {
|
|
return;
|
|
}
|
|
|
|
trigger(self.onClick, {row: cell.row, cell: cell.cell}, e);
|
|
if (e.isImmediatePropagationStopped()) {
|
|
return;
|
|
}
|
|
|
|
if ((activeCell != cell.cell || activeRow != cell.row) && canCellBeActive(cell.row, cell.cell)) {
|
|
if (!getEditorLock().isActive() || getEditorLock().commitCurrentEdit()) {
|
|
scrollRowIntoView(cell.row, false);
|
|
setActiveCellInternal(getCellNode(cell.row, cell.cell));
|
|
}
|
|
}
|
|
}
|
|
|
|
function handleContextMenu(e) {
|
|
var $cell = $(e.target).closest(".slick-cell", $canvas);
|
|
if ($cell.length === 0) {
|
|
return;
|
|
}
|
|
|
|
// are we editing this cell?
|
|
if (activeCellNode === $cell[0] && currentEditor !== null) {
|
|
return;
|
|
}
|
|
|
|
trigger(self.onContextMenu, {}, e);
|
|
}
|
|
|
|
function handleDblClick(e) {
|
|
var cell = getCellFromEvent(e);
|
|
if (!cell || (currentEditor !== null && activeRow == cell.row && activeCell == cell.cell)) {
|
|
return;
|
|
}
|
|
|
|
trigger(self.onDblClick, {row: cell.row, cell: cell.cell}, e);
|
|
if (e.isImmediatePropagationStopped()) {
|
|
return;
|
|
}
|
|
|
|
if (options.editable) {
|
|
gotoCell(cell.row, cell.cell, true);
|
|
}
|
|
}
|
|
|
|
function handleHeaderMouseEnter(e) {
|
|
trigger(self.onHeaderMouseEnter, {
|
|
"column": $(this).data("column")
|
|
}, e);
|
|
}
|
|
|
|
function handleHeaderMouseLeave(e) {
|
|
trigger(self.onHeaderMouseLeave, {
|
|
"column": $(this).data("column")
|
|
}, e);
|
|
}
|
|
|
|
function handleHeaderContextMenu(e) {
|
|
var $header = $(e.target).closest(".slick-header-column", ".slick-header-columns");
|
|
var column = $header && $header.data("column");
|
|
trigger(self.onHeaderContextMenu, {column: column}, e);
|
|
}
|
|
|
|
function handleHeaderClick(e) {
|
|
var $header = $(e.target).closest(".slick-header-column", ".slick-header-columns");
|
|
var column = $header && $header.data("column");
|
|
if (column) {
|
|
trigger(self.onHeaderClick, {column: column}, e);
|
|
}
|
|
}
|
|
|
|
function handleMouseEnter(e) {
|
|
trigger(self.onMouseEnter, {}, e);
|
|
}
|
|
|
|
function handleMouseLeave(e) {
|
|
trigger(self.onMouseLeave, {}, e);
|
|
}
|
|
|
|
function cellExists(row, cell) {
|
|
return !(row < 0 || row >= getDataLength() || cell < 0 || cell >= columns.length);
|
|
}
|
|
|
|
function getCellFromPoint(x, y) {
|
|
var row = getRowFromPosition(y);
|
|
var cell = 0;
|
|
|
|
var w = 0;
|
|
for (var i = 0; i < columns.length && w < x; i++) {
|
|
w += columns[i].width;
|
|
cell++;
|
|
}
|
|
|
|
if (cell < 0) {
|
|
cell = 0;
|
|
}
|
|
|
|
return {row: row, cell: cell - 1};
|
|
}
|
|
|
|
function getCellFromNode(cellNode) {
|
|
// read column number from .l<columnNumber> CSS class
|
|
var cls = /l\d+/.exec(cellNode.className);
|
|
if (!cls) {
|
|
throw "getCellFromNode: cannot get cell - " + cellNode.className;
|
|
}
|
|
return parseInt(cls[0].substr(1, cls[0].length - 1), 10);
|
|
}
|
|
|
|
function getRowFromNode(rowNode) {
|
|
for (var row in rowsCache) {
|
|
if (rowsCache[row].rowNode === rowNode) {
|
|
return row | 0;
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
function getCellFromEvent(e) {
|
|
var $cell = $(e.target).closest(".slick-cell", $canvas);
|
|
if (!$cell.length) {
|
|
return null;
|
|
}
|
|
|
|
var row = getRowFromNode($cell[0].parentNode);
|
|
var cell = getCellFromNode($cell[0]);
|
|
|
|
if (row == null || cell == null) {
|
|
return null;
|
|
} else {
|
|
return {
|
|
"row": row,
|
|
"cell": cell
|
|
};
|
|
}
|
|
}
|
|
|
|
function getCellNodeBox(row, cell) {
|
|
if (!cellExists(row, cell)) {
|
|
return null;
|
|
}
|
|
|
|
var y1 = getRowTop(row);
|
|
var y2 = y1 + options.rowHeight - 1;
|
|
var x1 = 0;
|
|
for (var i = 0; i < cell; i++) {
|
|
x1 += columns[i].width;
|
|
}
|
|
var x2 = x1 + columns[cell].width;
|
|
|
|
return {
|
|
top: y1,
|
|
left: x1,
|
|
bottom: y2,
|
|
right: x2
|
|
};
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////////
|
|
// Cell switching
|
|
|
|
function resetActiveCell() {
|
|
setActiveCellInternal(null, false);
|
|
}
|
|
|
|
function setFocus() {
|
|
if (tabbingDirection == -1) {
|
|
$focusSink[0].focus();
|
|
} else {
|
|
$focusSink2[0].focus();
|
|
}
|
|
}
|
|
|
|
function scrollCellIntoView(row, cell, doPaging) {
|
|
scrollRowIntoView(row, doPaging);
|
|
|
|
var colspan = getColspan(row, cell);
|
|
var left = columnPosLeft[cell],
|
|
right = columnPosRight[cell + (colspan > 1 ? colspan - 1 : 0)],
|
|
scrollRight = scrollLeft + viewportW;
|
|
|
|
if (left < scrollLeft) {
|
|
$viewport.scrollLeft(left);
|
|
handleScroll();
|
|
render();
|
|
} else if (right > scrollRight) {
|
|
$viewport.scrollLeft(Math.min(left, right - $viewport[0].clientWidth));
|
|
handleScroll();
|
|
render();
|
|
}
|
|
}
|
|
|
|
function setActiveCellInternal(newCell, opt_editMode) {
|
|
if (activeCellNode !== null) {
|
|
makeActiveCellNormal();
|
|
$(activeCellNode).removeClass("active");
|
|
if (rowsCache[activeRow]) {
|
|
$(rowsCache[activeRow].rowNode).removeClass("active");
|
|
}
|
|
}
|
|
|
|
var activeCellChanged = (activeCellNode !== newCell);
|
|
activeCellNode = newCell;
|
|
|
|
if (activeCellNode != null) {
|
|
activeRow = getRowFromNode(activeCellNode.parentNode);
|
|
activeCell = activePosX = getCellFromNode(activeCellNode);
|
|
|
|
if (opt_editMode == null) {
|
|
opt_editMode = (activeRow == getDataLength()) || options.autoEdit;
|
|
}
|
|
|
|
$(activeCellNode).addClass("active");
|
|
$(rowsCache[activeRow].rowNode).addClass("active");
|
|
|
|
if (options.editable && opt_editMode && isCellPotentiallyEditable(activeRow, activeCell)) {
|
|
clearTimeout(h_editorLoader);
|
|
|
|
if (options.asyncEditorLoading) {
|
|
h_editorLoader = setTimeout(function () {
|
|
makeActiveCellEditable();
|
|
}, options.asyncEditorLoadDelay);
|
|
} else {
|
|
makeActiveCellEditable();
|
|
}
|
|
}
|
|
} else {
|
|
activeRow = activeCell = null;
|
|
}
|
|
|
|
if (activeCellChanged) {
|
|
trigger(self.onActiveCellChanged, getActiveCell());
|
|
}
|
|
}
|
|
|
|
function clearTextSelection() {
|
|
if (document.selection && document.selection.empty) {
|
|
try {
|
|
//IE fails here if selected element is not in dom
|
|
document.selection.empty();
|
|
} catch (e) { }
|
|
} else if (window.getSelection) {
|
|
var sel = window.getSelection();
|
|
if (sel && sel.removeAllRanges) {
|
|
sel.removeAllRanges();
|
|
}
|
|
}
|
|
}
|
|
|
|
function isCellPotentiallyEditable(row, cell) {
|
|
var dataLength = getDataLength();
|
|
// is the data for this row loaded?
|
|
if (row < dataLength && !getDataItem(row)) {
|
|
return false;
|
|
}
|
|
|
|
// are we in the Add New row? can we create new from this cell?
|
|
if (columns[cell].cannotTriggerInsert && row >= dataLength) {
|
|
return false;
|
|
}
|
|
|
|
// does this cell have an editor?
|
|
if (!getEditor(row, cell)) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
function makeActiveCellNormal() {
|
|
if (!currentEditor) {
|
|
return;
|
|
}
|
|
trigger(self.onBeforeCellEditorDestroy, {editor: currentEditor});
|
|
currentEditor.destroy();
|
|
currentEditor = null;
|
|
|
|
if (activeCellNode) {
|
|
var d = getDataItem(activeRow);
|
|
$(activeCellNode).removeClass("editable invalid");
|
|
if (d) {
|
|
var column = columns[activeCell];
|
|
var formatter = getFormatter(activeRow, column);
|
|
activeCellNode.innerHTML = formatter(activeRow, activeCell, getDataItemValueForColumn(d, column), column, d);
|
|
invalidatePostProcessingResults(activeRow);
|
|
}
|
|
}
|
|
|
|
// if there previously was text selected on a page (such as selected text in the edit cell just removed),
|
|
// IE can't set focus to anything else correctly
|
|
if (navigator.userAgent.toLowerCase().match(/msie/)) {
|
|
clearTextSelection();
|
|
}
|
|
|
|
getEditorLock().deactivate(editController);
|
|
}
|
|
|
|
function makeActiveCellEditable(editor) {
|
|
if (!activeCellNode) {
|
|
return;
|
|
}
|
|
if (!options.editable) {
|
|
throw "Grid : makeActiveCellEditable : should never get called when options.editable is false";
|
|
}
|
|
|
|
// cancel pending async call if there is one
|
|
clearTimeout(h_editorLoader);
|
|
|
|
if (!isCellPotentiallyEditable(activeRow, activeCell)) {
|
|
return;
|
|
}
|
|
|
|
var columnDef = columns[activeCell];
|
|
var item = getDataItem(activeRow);
|
|
|
|
if (trigger(self.onBeforeEditCell, {row: activeRow, cell: activeCell, item: item, column: columnDef}) === false) {
|
|
setFocus();
|
|
return;
|
|
}
|
|
|
|
getEditorLock().activate(editController);
|
|
$(activeCellNode).addClass("editable");
|
|
|
|
// don't clear the cell if a custom editor is passed through
|
|
if (!editor) {
|
|
activeCellNode.innerHTML = "";
|
|
}
|
|
|
|
currentEditor = new (editor || getEditor(activeRow, activeCell))({
|
|
grid: self,
|
|
gridPosition: absBox($container[0]),
|
|
position: absBox(activeCellNode),
|
|
container: activeCellNode,
|
|
column: columnDef,
|
|
item: item || {},
|
|
commitChanges: commitEditAndSetFocus,
|
|
cancelChanges: cancelEditAndSetFocus
|
|
});
|
|
|
|
if (item) {
|
|
currentEditor.loadValue(item);
|
|
}
|
|
|
|
serializedEditorValue = currentEditor.serializeValue();
|
|
|
|
if (currentEditor.position) {
|
|
handleActiveCellPositionChange();
|
|
}
|
|
}
|
|
|
|
function commitEditAndSetFocus() {
|
|
// if the commit fails, it would do so due to a validation error
|
|
// if so, do not steal the focus from the editor
|
|
if (getEditorLock().commitCurrentEdit()) {
|
|
setFocus();
|
|
if (options.autoEdit) {
|
|
navigateDown();
|
|
}
|
|
}
|
|
}
|
|
|
|
function cancelEditAndSetFocus() {
|
|
if (getEditorLock().cancelCurrentEdit()) {
|
|
setFocus();
|
|
}
|
|
}
|
|
|
|
function absBox(elem) {
|
|
var box = {
|
|
top: elem.offsetTop,
|
|
left: elem.offsetLeft,
|
|
bottom: 0,
|
|
right: 0,
|
|
width: $(elem).outerWidth(),
|
|
height: $(elem).outerHeight(),
|
|
visible: true};
|
|
box.bottom = box.top + box.height;
|
|
box.right = box.left + box.width;
|
|
|
|
// walk up the tree
|
|
var offsetParent = elem.offsetParent;
|
|
while ((elem = elem.parentNode) != document.body) {
|
|
if (box.visible && elem.scrollHeight != elem.offsetHeight && $(elem).css("overflowY") != "visible") {
|
|
box.visible = box.bottom > elem.scrollTop && box.top < elem.scrollTop + elem.clientHeight;
|
|
}
|
|
|
|
if (box.visible && elem.scrollWidth != elem.offsetWidth && $(elem).css("overflowX") != "visible") {
|
|
box.visible = box.right > elem.scrollLeft && box.left < elem.scrollLeft + elem.clientWidth;
|
|
}
|
|
|
|
box.left -= elem.scrollLeft;
|
|
box.top -= elem.scrollTop;
|
|
|
|
if (elem === offsetParent) {
|
|
box.left += elem.offsetLeft;
|
|
box.top += elem.offsetTop;
|
|
offsetParent = elem.offsetParent;
|
|
}
|
|
|
|
box.bottom = box.top + box.height;
|
|
box.right = box.left + box.width;
|
|
}
|
|
|
|
return box;
|
|
}
|
|
|
|
function getActiveCellPosition() {
|
|
return absBox(activeCellNode);
|
|
}
|
|
|
|
function getGridPosition() {
|
|
return absBox($container[0])
|
|
}
|
|
|
|
function handleActiveCellPositionChange() {
|
|
if (!activeCellNode) {
|
|
return;
|
|
}
|
|
|
|
trigger(self.onActiveCellPositionChanged, {});
|
|
|
|
if (currentEditor) {
|
|
var cellBox = getActiveCellPosition();
|
|
if (currentEditor.show && currentEditor.hide) {
|
|
if (!cellBox.visible) {
|
|
currentEditor.hide();
|
|
} else {
|
|
currentEditor.show();
|
|
}
|
|
}
|
|
|
|
if (currentEditor.position) {
|
|
currentEditor.position(cellBox);
|
|
}
|
|
}
|
|
}
|
|
|
|
function getCellEditor() {
|
|
return currentEditor;
|
|
}
|
|
|
|
function getActiveCell() {
|
|
if (!activeCellNode) {
|
|
return null;
|
|
} else {
|
|
return {row: activeRow, cell: activeCell};
|
|
}
|
|
}
|
|
|
|
function getActiveCellNode() {
|
|
return activeCellNode;
|
|
}
|
|
|
|
function scrollRowIntoView(row, doPaging) {
|
|
var rowAtTop = row * options.rowHeight;
|
|
var rowAtBottom = (row + 1) * options.rowHeight - viewportH + (viewportHasHScroll ? scrollbarDimensions.height : 0);
|
|
|
|
// need to page down?
|
|
if ((row + 1) * options.rowHeight > scrollTop + viewportH + offset) {
|
|
scrollTo(doPaging ? rowAtTop : rowAtBottom);
|
|
render();
|
|
}
|
|
// or page up?
|
|
else if (row * options.rowHeight < scrollTop + offset) {
|
|
scrollTo(doPaging ? rowAtBottom : rowAtTop);
|
|
render();
|
|
}
|
|
}
|
|
|
|
function scrollRowToTop(row) {
|
|
scrollTo(row * options.rowHeight);
|
|
render();
|
|
}
|
|
|
|
function scrollPage(dir) {
|
|
var deltaRows = dir * numVisibleRows;
|
|
scrollTo((getRowFromPosition(scrollTop) + deltaRows) * options.rowHeight);
|
|
render();
|
|
|
|
if (options.enableCellNavigation && activeRow != null) {
|
|
var row = activeRow + deltaRows;
|
|
var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();
|
|
if (row >= dataLengthIncludingAddNew) {
|
|
row = dataLengthIncludingAddNew - 1;
|
|
}
|
|
if (row < 0) {
|
|
row = 0;
|
|
}
|
|
|
|
var cell = 0, prevCell = null;
|
|
var prevActivePosX = activePosX;
|
|
while (cell <= activePosX) {
|
|
if (canCellBeActive(row, cell)) {
|
|
prevCell = cell;
|
|
}
|
|
cell += getColspan(row, cell);
|
|
}
|
|
|
|
if (prevCell !== null) {
|
|
setActiveCellInternal(getCellNode(row, prevCell));
|
|
activePosX = prevActivePosX;
|
|
} else {
|
|
resetActiveCell();
|
|
}
|
|
}
|
|
}
|
|
|
|
function navigatePageDown() {
|
|
scrollPage(1);
|
|
}
|
|
|
|
function navigatePageUp() {
|
|
scrollPage(-1);
|
|
}
|
|
|
|
function getColspan(row, cell) {
|
|
var metadata = data.getItemMetadata && data.getItemMetadata(row);
|
|
if (!metadata || !metadata.columns) {
|
|
return 1;
|
|
}
|
|
|
|
var columnData = metadata.columns[columns[cell].id] || metadata.columns[cell];
|
|
var colspan = (columnData && columnData.colspan);
|
|
if (colspan === "*") {
|
|
colspan = columns.length - cell;
|
|
} else {
|
|
colspan = colspan || 1;
|
|
}
|
|
|
|
return colspan;
|
|
}
|
|
|
|
function findFirstFocusableCell(row) {
|
|
var cell = 0;
|
|
while (cell < columns.length) {
|
|
if (canCellBeActive(row, cell)) {
|
|
return cell;
|
|
}
|
|
cell += getColspan(row, cell);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
function findLastFocusableCell(row) {
|
|
var cell = 0;
|
|
var lastFocusableCell = null;
|
|
while (cell < columns.length) {
|
|
if (canCellBeActive(row, cell)) {
|
|
lastFocusableCell = cell;
|
|
}
|
|
cell += getColspan(row, cell);
|
|
}
|
|
return lastFocusableCell;
|
|
}
|
|
|
|
function gotoRight(row, cell, posX) {
|
|
if (cell >= columns.length) {
|
|
return null;
|
|
}
|
|
|
|
do {
|
|
cell += getColspan(row, cell);
|
|
}
|
|
while (cell < columns.length && !canCellBeActive(row, cell));
|
|
|
|
if (cell < columns.length) {
|
|
return {
|
|
"row": row,
|
|
"cell": cell,
|
|
"posX": cell
|
|
};
|
|
}
|
|
return null;
|
|
}
|
|
|
|
function gotoLeft(row, cell, posX) {
|
|
if (cell <= 0) {
|
|
return null;
|
|
}
|
|
|
|
var firstFocusableCell = findFirstFocusableCell(row);
|
|
if (firstFocusableCell === null || firstFocusableCell >= cell) {
|
|
return null;
|
|
}
|
|
|
|
var prev = {
|
|
"row": row,
|
|
"cell": firstFocusableCell,
|
|
"posX": firstFocusableCell
|
|
};
|
|
var pos;
|
|
while (true) {
|
|
pos = gotoRight(prev.row, prev.cell, prev.posX);
|
|
if (!pos) {
|
|
return null;
|
|
}
|
|
if (pos.cell >= cell) {
|
|
return prev;
|
|
}
|
|
prev = pos;
|
|
}
|
|
}
|
|
|
|
function gotoDown(row, cell, posX) {
|
|
var prevCell;
|
|
var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();
|
|
while (true) {
|
|
if (++row >= dataLengthIncludingAddNew) {
|
|
return null;
|
|
}
|
|
|
|
prevCell = cell = 0;
|
|
while (cell <= posX) {
|
|
prevCell = cell;
|
|
cell += getColspan(row, cell);
|
|
}
|
|
|
|
if (canCellBeActive(row, prevCell)) {
|
|
return {
|
|
"row": row,
|
|
"cell": prevCell,
|
|
"posX": posX
|
|
};
|
|
}
|
|
}
|
|
}
|
|
|
|
function gotoUp(row, cell, posX) {
|
|
var prevCell;
|
|
while (true) {
|
|
if (--row < 0) {
|
|
return null;
|
|
}
|
|
|
|
prevCell = cell = 0;
|
|
while (cell <= posX) {
|
|
prevCell = cell;
|
|
cell += getColspan(row, cell);
|
|
}
|
|
|
|
if (canCellBeActive(row, prevCell)) {
|
|
return {
|
|
"row": row,
|
|
"cell": prevCell,
|
|
"posX": posX
|
|
};
|
|
}
|
|
}
|
|
}
|
|
|
|
function gotoNext(row, cell, posX) {
|
|
if (row == null && cell == null) {
|
|
row = cell = posX = 0;
|
|
if (canCellBeActive(row, cell)) {
|
|
return {
|
|
"row": row,
|
|
"cell": cell,
|
|
"posX": cell
|
|
};
|
|
}
|
|
}
|
|
|
|
var pos = gotoRight(row, cell, posX);
|
|
if (pos) {
|
|
return pos;
|
|
}
|
|
|
|
var firstFocusableCell = null;
|
|
var dataLengthIncludingAddNew = getDataLengthIncludingAddNew();
|
|
while (++row < dataLengthIncludingAddNew) {
|
|
firstFocusableCell = findFirstFocusableCell(row);
|
|
if (firstFocusableCell !== null) {
|
|
return {
|
|
"row": row,
|
|
"cell": firstFocusableCell,
|
|
"posX": firstFocusableCell
|
|
};
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
function gotoPrev(row, cell, posX) {
|
|
if (row == null && cell == null) {
|
|
row = getDataLengthIncludingAddNew() - 1;
|
|
cell = posX = columns.length - 1;
|
|
if (canCellBeActive(row, cell)) {
|
|
return {
|
|
"row": row,
|
|
"cell": cell,
|
|
"posX": cell
|
|
};
|
|
}
|
|
}
|
|
|
|
var pos;
|
|
var lastSelectableCell;
|
|
while (!pos) {
|
|
pos = gotoLeft(row, cell, posX);
|
|
if (pos) {
|
|
break;
|
|
}
|
|
if (--row < 0) {
|
|
return null;
|
|
}
|
|
|
|
cell = 0;
|
|
lastSelectableCell = findLastFocusableCell(row);
|
|
if (lastSelectableCell !== null) {
|
|
pos = {
|
|
"row": row,
|
|
"cell": lastSelectableCell,
|
|
"posX": lastSelectableCell
|
|
};
|
|
}
|
|
}
|
|
return pos;
|
|
}
|
|
|
|
function navigateRight() {
|
|
return navigate("right");
|
|
}
|
|
|
|
function navigateLeft() {
|
|
return navigate("left");
|
|
}
|
|
|
|
function navigateDown() {
|
|
return navigate("down");
|
|
}
|
|
|
|
function navigateUp() {
|
|
return navigate("up");
|
|
}
|
|
|
|
function navigateNext() {
|
|
return navigate("next");
|
|
}
|
|
|
|
function navigatePrev() {
|
|
return navigate("prev");
|
|
}
|
|
|
|
/**
|
|
* @param {string} dir Navigation direction.
|
|
* @return {boolean} Whether navigation resulted in a change of active cell.
|
|
*/
|
|
function navigate(dir) {
|
|
if (!options.enableCellNavigation) {
|
|
return false;
|
|
}
|
|
|
|
if (!activeCellNode && dir != "prev" && dir != "next") {
|
|
return false;
|
|
}
|
|
|
|
if (!getEditorLock().commitCurrentEdit()) {
|
|
return true;
|
|
}
|
|
setFocus();
|
|
|
|
var tabbingDirections = {
|
|
"up": -1,
|
|
"down": 1,
|
|
"left": -1,
|
|
"right": 1,
|
|
"prev": -1,
|
|
"next": 1
|
|
};
|
|
tabbingDirection = tabbingDirections[dir];
|
|
|
|
var stepFunctions = {
|
|
"up": gotoUp,
|
|
"down": gotoDown,
|
|
"left": gotoLeft,
|
|
"right": gotoRight,
|
|
"prev": gotoPrev,
|
|
"next": gotoNext
|
|
};
|
|
var stepFn = stepFunctions[dir];
|
|
var pos = stepFn(activeRow, activeCell, activePosX);
|
|
if (pos) {
|
|
var isAddNewRow = (pos.row == getDataLength());
|
|
scrollCellIntoView(pos.row, pos.cell, !isAddNewRow);
|
|
setActiveCellInternal(getCellNode(pos.row, pos.cell));
|
|
activePosX = pos.posX;
|
|
return true;
|
|
} else {
|
|
setActiveCellInternal(getCellNode(activeRow, activeCell));
|
|
return false;
|
|
}
|
|
}
|
|
|
|
function getCellNode(row, cell) {
|
|
if (rowsCache[row]) {
|
|
ensureCellNodesInRowsCache(row);
|
|
return rowsCache[row].cellNodesByColumnIdx[cell];
|
|
}
|
|
return null;
|
|
}
|
|
|
|
function setActiveCell(row, cell) {
|
|
if (!initialized) { return; }
|
|
if (row > getDataLength() || row < 0 || cell >= columns.length || cell < 0) {
|
|
return;
|
|
}
|
|
|
|
if (!options.enableCellNavigation) {
|
|
return;
|
|
}
|
|
|
|
scrollCellIntoView(row, cell, false);
|
|
setActiveCellInternal(getCellNode(row, cell), false);
|
|
}
|
|
|
|
function canCellBeActive(row, cell) {
|
|
if (!options.enableCellNavigation || row >= getDataLengthIncludingAddNew() ||
|
|
row < 0 || cell >= columns.length || cell < 0) {
|
|
return false;
|
|
}
|
|
|
|
var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);
|
|
if (rowMetadata && typeof rowMetadata.focusable === "boolean") {
|
|
return rowMetadata.focusable;
|
|
}
|
|
|
|
var columnMetadata = rowMetadata && rowMetadata.columns;
|
|
if (columnMetadata && columnMetadata[columns[cell].id] && typeof columnMetadata[columns[cell].id].focusable === "boolean") {
|
|
return columnMetadata[columns[cell].id].focusable;
|
|
}
|
|
if (columnMetadata && columnMetadata[cell] && typeof columnMetadata[cell].focusable === "boolean") {
|
|
return columnMetadata[cell].focusable;
|
|
}
|
|
|
|
return columns[cell].focusable;
|
|
}
|
|
|
|
function canCellBeSelected(row, cell) {
|
|
if (row >= getDataLength() || row < 0 || cell >= columns.length || cell < 0) {
|
|
return false;
|
|
}
|
|
|
|
var rowMetadata = data.getItemMetadata && data.getItemMetadata(row);
|
|
if (rowMetadata && typeof rowMetadata.selectable === "boolean") {
|
|
return rowMetadata.selectable;
|
|
}
|
|
|
|
var columnMetadata = rowMetadata && rowMetadata.columns && (rowMetadata.columns[columns[cell].id] || rowMetadata.columns[cell]);
|
|
if (columnMetadata && typeof columnMetadata.selectable === "boolean") {
|
|
return columnMetadata.selectable;
|
|
}
|
|
|
|
return columns[cell].selectable;
|
|
}
|
|
|
|
function gotoCell(row, cell, forceEdit) {
|
|
if (!initialized) { return; }
|
|
if (!canCellBeActive(row, cell)) {
|
|
return;
|
|
}
|
|
|
|
if (!getEditorLock().commitCurrentEdit()) {
|
|
return;
|
|
}
|
|
|
|
scrollCellIntoView(row, cell, false);
|
|
|
|
var newCell = getCellNode(row, cell);
|
|
|
|
// if selecting the 'add new' row, start editing right away
|
|
setActiveCellInternal(newCell, forceEdit || (row === getDataLength()) || options.autoEdit);
|
|
|
|
// if no editor was created, set the focus back on the grid
|
|
if (!currentEditor) {
|
|
setFocus();
|
|
}
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////////
|
|
// IEditor implementation for the editor lock
|
|
|
|
function commitCurrentEdit() {
|
|
var item = getDataItem(activeRow);
|
|
var column = columns[activeCell];
|
|
|
|
if (currentEditor) {
|
|
if (currentEditor.isValueChanged()) {
|
|
var validationResults = currentEditor.validate();
|
|
|
|
if (validationResults.valid) {
|
|
if (activeRow < getDataLength()) {
|
|
var editCommand = {
|
|
row: activeRow,
|
|
cell: activeCell,
|
|
editor: currentEditor,
|
|
serializedValue: currentEditor.serializeValue(),
|
|
prevSerializedValue: serializedEditorValue,
|
|
execute: function () {
|
|
this.editor.applyValue(item, this.serializedValue);
|
|
updateRow(this.row);
|
|
trigger(self.onCellChange, {
|
|
row: activeRow,
|
|
cell: activeCell,
|
|
item: item
|
|
});
|
|
},
|
|
undo: function () {
|
|
this.editor.applyValue(item, this.prevSerializedValue);
|
|
updateRow(this.row);
|
|
trigger(self.onCellChange, {
|
|
row: activeRow,
|
|
cell: activeCell,
|
|
item: item
|
|
});
|
|
}
|
|
};
|
|
|
|
if (options.editCommandHandler) {
|
|
makeActiveCellNormal();
|
|
options.editCommandHandler(item, column, editCommand);
|
|
} else {
|
|
editCommand.execute();
|
|
makeActiveCellNormal();
|
|
}
|
|
|
|
} else {
|
|
var newItem = {};
|
|
currentEditor.applyValue(newItem, currentEditor.serializeValue());
|
|
makeActiveCellNormal();
|
|
trigger(self.onAddNewRow, {item: newItem, column: column});
|
|
}
|
|
|
|
// check whether the lock has been re-acquired by event handlers
|
|
return !getEditorLock().isActive();
|
|
} else {
|
|
// Re-add the CSS class to trigger transitions, if any.
|
|
$(activeCellNode).removeClass("invalid");
|
|
$(activeCellNode).width(); // force layout
|
|
$(activeCellNode).addClass("invalid");
|
|
|
|
trigger(self.onValidationError, {
|
|
editor: currentEditor,
|
|
cellNode: activeCellNode,
|
|
validationResults: validationResults,
|
|
row: activeRow,
|
|
cell: activeCell,
|
|
column: column
|
|
});
|
|
|
|
currentEditor.focus();
|
|
return false;
|
|
}
|
|
}
|
|
|
|
makeActiveCellNormal();
|
|
}
|
|
return true;
|
|
}
|
|
|
|
function cancelCurrentEdit() {
|
|
makeActiveCellNormal();
|
|
return true;
|
|
}
|
|
|
|
function rowsToRanges(rows) {
|
|
var ranges = [];
|
|
var lastCell = columns.length - 1;
|
|
for (var i = 0; i < rows.length; i++) {
|
|
ranges.push(new Slick.Range(rows[i], 0, rows[i], lastCell));
|
|
}
|
|
return ranges;
|
|
}
|
|
|
|
function getSelectedRows() {
|
|
if (!selectionModel) {
|
|
throw "Selection model is not set";
|
|
}
|
|
return selectedRows;
|
|
}
|
|
|
|
function setSelectedRows(rows) {
|
|
if (!selectionModel) {
|
|
throw "Selection model is not set";
|
|
}
|
|
selectionModel.setSelectedRanges(rowsToRanges(rows));
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////////
|
|
// Debug
|
|
|
|
this.debug = function () {
|
|
var s = "";
|
|
|
|
s += ("\n" + "counter_rows_rendered: " + counter_rows_rendered);
|
|
s += ("\n" + "counter_rows_removed: " + counter_rows_removed);
|
|
s += ("\n" + "renderedRows: " + renderedRows);
|
|
s += ("\n" + "numVisibleRows: " + numVisibleRows);
|
|
s += ("\n" + "maxSupportedCssHeight: " + maxSupportedCssHeight);
|
|
s += ("\n" + "n(umber of pages): " + n);
|
|
s += ("\n" + "(current) page: " + page);
|
|
s += ("\n" + "page height (ph): " + ph);
|
|
s += ("\n" + "vScrollDir: " + vScrollDir);
|
|
|
|
alert(s);
|
|
};
|
|
|
|
// a debug helper to be able to access private members
|
|
this.eval = function (expr) {
|
|
return eval(expr);
|
|
};
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////////
|
|
// Public API
|
|
|
|
$.extend(this, {
|
|
"slickGridVersion": "2.1",
|
|
|
|
// Events
|
|
"onScroll": new Slick.Event(),
|
|
"onSort": new Slick.Event(),
|
|
"onHeaderMouseEnter": new Slick.Event(),
|
|
"onHeaderMouseLeave": new Slick.Event(),
|
|
"onHeaderContextMenu": new Slick.Event(),
|
|
"onHeaderClick": new Slick.Event(),
|
|
"onHeaderCellRendered": new Slick.Event(),
|
|
"onBeforeHeaderCellDestroy": new Slick.Event(),
|
|
"onHeaderRowCellRendered": new Slick.Event(),
|
|
"onBeforeHeaderRowCellDestroy": new Slick.Event(),
|
|
"onMouseEnter": new Slick.Event(),
|
|
"onMouseLeave": new Slick.Event(),
|
|
"onClick": new Slick.Event(),
|
|
"onDblClick": new Slick.Event(),
|
|
"onContextMenu": new Slick.Event(),
|
|
"onKeyDown": new Slick.Event(),
|
|
"onAddNewRow": new Slick.Event(),
|
|
"onValidationError": new Slick.Event(),
|
|
"onViewportChanged": new Slick.Event(),
|
|
"onColumnsReordered": new Slick.Event(),
|
|
"onColumnsResized": new Slick.Event(),
|
|
"onCellChange": new Slick.Event(),
|
|
"onBeforeEditCell": new Slick.Event(),
|
|
"onBeforeCellEditorDestroy": new Slick.Event(),
|
|
"onBeforeDestroy": new Slick.Event(),
|
|
"onActiveCellChanged": new Slick.Event(),
|
|
"onActiveCellPositionChanged": new Slick.Event(),
|
|
"onDragInit": new Slick.Event(),
|
|
"onDragStart": new Slick.Event(),
|
|
"onDrag": new Slick.Event(),
|
|
"onDragEnd": new Slick.Event(),
|
|
"onSelectedRowsChanged": new Slick.Event(),
|
|
"onCellCssStylesChanged": new Slick.Event(),
|
|
|
|
// Methods
|
|
"registerPlugin": registerPlugin,
|
|
"unregisterPlugin": unregisterPlugin,
|
|
"getColumns": getColumns,
|
|
"setColumns": setColumns,
|
|
"getColumnIndex": getColumnIndex,
|
|
"updateColumnHeader": updateColumnHeader,
|
|
"setSortColumn": setSortColumn,
|
|
"setSortColumns": setSortColumns,
|
|
"getSortColumns": getSortColumns,
|
|
"autosizeColumns": autosizeColumns,
|
|
"getOptions": getOptions,
|
|
"setOptions": setOptions,
|
|
"getData": getData,
|
|
"getDataLength": getDataLength,
|
|
"getDataItem": getDataItem,
|
|
"setData": setData,
|
|
"getSelectionModel": getSelectionModel,
|
|
"setSelectionModel": setSelectionModel,
|
|
"getSelectedRows": getSelectedRows,
|
|
"setSelectedRows": setSelectedRows,
|
|
"getContainerNode": getContainerNode,
|
|
|
|
"render": render,
|
|
"invalidate": invalidate,
|
|
"invalidateRow": invalidateRow,
|
|
"invalidateRows": invalidateRows,
|
|
"invalidateAllRows": invalidateAllRows,
|
|
"updateCell": updateCell,
|
|
"updateRow": updateRow,
|
|
"getViewport": getVisibleRange,
|
|
"getRenderedRange": getRenderedRange,
|
|
"resizeCanvas": resizeCanvas,
|
|
"updateRowCount": updateRowCount,
|
|
"scrollRowIntoView": scrollRowIntoView,
|
|
"scrollRowToTop": scrollRowToTop,
|
|
"scrollCellIntoView": scrollCellIntoView,
|
|
"getCanvasNode": getCanvasNode,
|
|
"focus": setFocus,
|
|
|
|
"getCellFromPoint": getCellFromPoint,
|
|
"getCellFromEvent": getCellFromEvent,
|
|
"getActiveCell": getActiveCell,
|
|
"setActiveCell": setActiveCell,
|
|
"getActiveCellNode": getActiveCellNode,
|
|
"getActiveCellPosition": getActiveCellPosition,
|
|
"resetActiveCell": resetActiveCell,
|
|
"editActiveCell": makeActiveCellEditable,
|
|
"getCellEditor": getCellEditor,
|
|
"getCellNode": getCellNode,
|
|
"getCellNodeBox": getCellNodeBox,
|
|
"canCellBeSelected": canCellBeSelected,
|
|
"canCellBeActive": canCellBeActive,
|
|
"navigatePrev": navigatePrev,
|
|
"navigateNext": navigateNext,
|
|
"navigateUp": navigateUp,
|
|
"navigateDown": navigateDown,
|
|
"navigateLeft": navigateLeft,
|
|
"navigateRight": navigateRight,
|
|
"navigatePageUp": navigatePageUp,
|
|
"navigatePageDown": navigatePageDown,
|
|
"gotoCell": gotoCell,
|
|
"getTopPanel": getTopPanel,
|
|
"setTopPanelVisibility": setTopPanelVisibility,
|
|
"setHeaderRowVisibility": setHeaderRowVisibility,
|
|
"getHeaderRow": getHeaderRow,
|
|
"getHeaderRowColumn": getHeaderRowColumn,
|
|
"getGridPosition": getGridPosition,
|
|
"flashCell": flashCell,
|
|
"addCellCssStyles": addCellCssStyles,
|
|
"setCellCssStyles": setCellCssStyles,
|
|
"removeCellCssStyles": removeCellCssStyles,
|
|
"getCellCssStyles": getCellCssStyles,
|
|
|
|
"init": finishInitialization,
|
|
"destroy": destroy,
|
|
|
|
// IEditor implementation
|
|
"getEditorLock": getEditorLock,
|
|
"getEditController": getEditController
|
|
});
|
|
|
|
init();
|
|
}
|
|
}(jQuery));
|