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134 lines
4.9 KiB
134 lines
4.9 KiB
<!DOCTYPE HTML>
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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<title>SlickGrid example 10: Async post render</title>
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<link rel="stylesheet" href="../slick.grid.css" type="text/css"/>
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<link rel="stylesheet" href="../css/smoothness/jquery-ui-1.8.16.custom.css" type="text/css"/>
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<link rel="stylesheet" href="examples.css" type="text/css"/>
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<style>
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.cell-title {
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font-weight: bold;
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}
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.cell-effort-driven {
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text-align: center;
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}
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.description * {
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font-size: 11pt;
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}
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</style>
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</head>
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<body>
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<div style="width:600px;float:left;">
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<div class="grid-header" style="width:100%">
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<label>Scores:</label>
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</div>
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<div id="myGrid" style="width:100%;height:500px;"></div>
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</div>
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<div style="margin-left:650px;margin-top:40px;" class="description">
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<h2>Demonstrates:</h2>
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<p>
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With SlickGrid, you can still have rich, complex cells rendered against the actual DOM nodes while still preserving
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the speed and responsiveness.
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This is achieved through async background post-rendering.
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SlickGrid exposes a <u>asyncPostRender</u> property on a column which you can use to set your own function that will
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manipulate the cell DOM node directly.
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The event is fired one by one for all visible rows in the viewport on a timer so it doesn't impact the UI
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responsiveness.
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You should still make sure that post-processing one row doesn't take too long though.
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SlickGrid will figure out what and when needs to be updated for you.
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</p>
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<p>
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The example below is a list of 500 rows with a title and 5 integer cells followed by graphical representation of
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these integers.
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The graph is drawn using a CANVAS element in the background.
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The grid is editable, so you can edit the numbers and see the changes reflected (almost) immediately in the graph.
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The graph cell behaves just like an ordinary cell and can be resized/reordered.
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The graphs themselves are created using the excellent <a href="http://www.omnipotent.net/jquery.sparkline/"
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target="_blank">jQuery Sparklines</a> library.
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</p>
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<h2>View Source:</h2>
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<ul>
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<li><A href="https://github.com/mleibman/SlickGrid/blob/gh-pages/examples/example10-async-post-render.html" target="_sourcewindow"> View the source for this example on Github</a></li>
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</ul>
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</div>
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<script src="../lib/firebugx.js"></script>
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<script src="../lib/jquery-1.7.min.js"></script>
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<script src="../lib/jquery-ui-1.8.16.custom.min.js"></script>
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<script src="../lib/jquery.event.drag-2.2.js"></script>
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<script src="../lib/jquery.sparkline.min.js"></script>
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<script src="../slick.core.js"></script>
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<script src="../slick.editors.js"></script>
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<script src="../slick.grid.js"></script>
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<script>
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function requiredFieldValidator(value) {
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if (value == null || value == undefined || !value.length) {
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return {valid: false, msg: "This is a required field"};
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} else {
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return {valid: true, msg: null};
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}
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}
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function waitingFormatter(value) {
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return "wait...";
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}
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function renderSparkline(cellNode, row, dataContext, colDef) {
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var vals = [
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dataContext["n1"],
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dataContext["n2"],
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dataContext["n3"],
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dataContext["n4"],
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dataContext["n5"]
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];
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$(cellNode).empty().sparkline(vals, {width: "100%"});
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}
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var grid;
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var data = [];
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var columns = [
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{id: "title", name: "Title", field: "title", sortable: false, width: 120, cssClass: "cell-title"},
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{id: "n1", name: "1", field: "n1", sortable: false, editor: Slick.Editors.Integer, width: 40, validator: requiredFieldValidator},
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{id: "n2", name: "2", field: "n2", sortable: false, editor: Slick.Editors.Integer, width: 40, validator: requiredFieldValidator},
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{id: "n3", name: "3", field: "n3", sortable: false, editor: Slick.Editors.Integer, width: 40, validator: requiredFieldValidator},
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{id: "n4", name: "4", field: "n4", sortable: false, editor: Slick.Editors.Integer, width: 40, validator: requiredFieldValidator},
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{id: "n5", name: "5", field: "n5", sortable: false, editor: Slick.Editors.Integer, width: 40, validator: requiredFieldValidator},
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{id: "chart", name: "Chart", sortable: false, width: 60, formatter: waitingFormatter, rerenderOnResize: true, asyncPostRender: renderSparkline}
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];
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var options = {
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editable: true,
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enableAddRow: false,
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enableCellNavigation: true,
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asyncEditorLoading: false,
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enableAsyncPostRender: true
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};
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$(function () {
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for (var i = 0; i < 500; i++) {
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var d = (data[i] = {});
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d["title"] = "Record " + i;
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d["n1"] = Math.round(Math.random() * 10);
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d["n2"] = Math.round(Math.random() * 10);
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d["n3"] = Math.round(Math.random() * 10);
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d["n4"] = Math.round(Math.random() * 10);
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d["n5"] = Math.round(Math.random() * 10);
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}
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grid = new Slick.Grid("#myGrid", data, columns, options);
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})
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</script>
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</body>
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</html>
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