83 lines
2.5 KiB
JavaScript
83 lines
2.5 KiB
JavaScript
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(function ($) {
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// Register namespace
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$.extend(true, window, {
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"Slick": {
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"AutoTooltips": AutoTooltips
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}
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});
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/**
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* AutoTooltips plugin to show/hide tooltips when columns are too narrow to fit content.
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* @constructor
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* @param {boolean} [options.enableForCells=true] - Enable tooltip for grid cells
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* @param {boolean} [options.enableForHeaderCells=false] - Enable tooltip for header cells
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* @param {number} [options.maxToolTipLength=null] - The maximum length for a tooltip
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*/
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function AutoTooltips(options) {
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var _grid;
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var _self = this;
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var _defaults = {
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enableForCells: true,
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enableForHeaderCells: false,
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maxToolTipLength: null
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};
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/**
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* Initialize plugin.
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*/
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function init(grid) {
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options = $.extend(true, {}, _defaults, options);
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_grid = grid;
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if (options.enableForCells) _grid.onMouseEnter.subscribe(handleMouseEnter);
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if (options.enableForHeaderCells) _grid.onHeaderMouseEnter.subscribe(handleHeaderMouseEnter);
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}
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/**
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* Destroy plugin.
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*/
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function destroy() {
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if (options.enableForCells) _grid.onMouseEnter.unsubscribe(handleMouseEnter);
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if (options.enableForHeaderCells) _grid.onHeaderMouseEnter.unsubscribe(handleHeaderMouseEnter);
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}
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/**
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* Handle mouse entering grid cell to add/remove tooltip.
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* @param {jQuery.Event} e - The event
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*/
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function handleMouseEnter(e) {
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var cell = _grid.getCellFromEvent(e);
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if (cell) {
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var $node = $(_grid.getCellNode(cell.row, cell.cell));
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var text;
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if ($node.innerWidth() < $node[0].scrollWidth) {
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text = $.trim($node.text());
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if (options.maxToolTipLength && text.length > options.maxToolTipLength) {
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text = text.substr(0, options.maxToolTipLength - 3) + "...";
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}
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} else {
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text = "";
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}
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$node.attr("title", text);
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}
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}
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/**
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* Handle mouse entering header cell to add/remove tooltip.
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* @param {jQuery.Event} e - The event
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* @param {object} args.column - The column definition
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*/
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function handleHeaderMouseEnter(e, args) {
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var column = args.column,
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$node = $(e.target).closest(".slick-header-column");
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if (!column.toolTip) {
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$node.attr("title", ($node.innerWidth() < $node[0].scrollWidth) ? column.name : "");
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}
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}
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// Public API
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$.extend(this, {
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"init": init,
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"destroy": destroy
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});
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}
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})(jQuery);
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