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171 lines
5.1 KiB
171 lines
5.1 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 6: AJAX Load</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-story {
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white-space: normal !important;
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line-height: 19px !important;
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}
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.loading-indicator {
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display: inline-block;
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padding: 12px;
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background: white;
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-opacity: 0.5;
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color: black;
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font-weight: bold;
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z-index: 9999;
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border: 1px solid red;
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-moz-border-radius: 10px;
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-webkit-border-radius: 10px;
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-moz-box-shadow: 0 0 5px red;
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-webkit-box-shadow: 0px 0px 5px red;
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-text-shadow: 1px 1px 1px white;
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}
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.loading-indicator label {
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padding-left: 20px;
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background: url('../images/ajax-loader-small.gif') no-repeat center left;
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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:700px;float:left;">
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<div class="grid-header" style="width:100%">
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<label>Hackernews stories</label>
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<span style="float:right;display:inline-block;">
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Search:
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<input type="text" id="txtSearch" value="github">
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</span>
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</div>
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<div id="myGrid" style="width:100%;height:600px;"></div>
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<div id="pager" style="width:100%;height:20px;"></div>
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</div>
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<div style="margin-left:750px;margin-top:40px;;">
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<h2>Demonstrates:</h2>
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<ul>
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<li>loading data through AJAX</li>
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<li>custom row height</li>
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</ul>
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<h2>WARNING:</h2>
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<ul>
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<li>API access to Hackernews provided through ThriftDB has some latency when paging through results. Be patient.
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</li>
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</ul>
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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/example6-ajax-loading.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.jsonp-2.4.min.js"></script>
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<script src="../slick.core.js"></script>
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<script src="../slick.remotemodel.js"></script>
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<script src="../slick.grid.js"></script>
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<script>
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var grid;
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var loader = new Slick.Data.RemoteModel();
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var storyTitleFormatter = function (row, cell, value, columnDef, dataContext) {
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s ="<b><a href='" + dataContext["url"] + "' target=_blank>" +
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dataContext["title"] + "</a></b><br/>";
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desc = dataContext["text"];
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if (desc) { // on Hackernews many stories don't have a description
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s += desc;
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}
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return s;
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};
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var dateFormatter = function (row, cell, value, columnDef, dataContext) {
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return (value.getMonth()+1) + "/" + value.getDate() + "/" + value.getFullYear();
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};
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var columns = [
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{id: "num", name: "#", field: "index", width: 40},
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{id: "story", name: "Story", width: 520, formatter: storyTitleFormatter, cssClass: "cell-story"},
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{id: "date", name: "Date", field: "create_ts", width: 60, formatter: dateFormatter, sortable: true},
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{id: "points", name: "Points", field: "points", width: 60, sortable: true}
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];
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var options = {
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rowHeight: 64,
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editable: false,
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enableAddRow: false,
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enableCellNavigation: false
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};
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var loadingIndicator = null;
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$(function () {
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grid = new Slick.Grid("#myGrid", loader.data, columns, options);
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grid.onViewportChanged.subscribe(function (e, args) {
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var vp = grid.getViewport();
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loader.ensureData(vp.top, vp.bottom);
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});
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grid.onSort.subscribe(function (e, args) {
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loader.setSort(args.sortCol.field, args.sortAsc ? 1 : -1);
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var vp = grid.getViewport();
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loader.ensureData(vp.top, vp.bottom);
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});
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loader.onDataLoading.subscribe(function () {
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if (!loadingIndicator) {
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loadingIndicator = $("<span class='loading-indicator'><label>Buffering...</label></span>").appendTo(document.body);
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var $g = $("#myGrid");
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loadingIndicator
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.css("position", "absolute")
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.css("top", $g.position().top + $g.height() / 2 - loadingIndicator.height() / 2)
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.css("left", $g.position().left + $g.width() / 2 - loadingIndicator.width() / 2);
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}
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loadingIndicator.show();
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});
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loader.onDataLoaded.subscribe(function (e, args) {
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for (var i = args.from; i <= args.to; i++) {
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grid.invalidateRow(i);
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}
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grid.updateRowCount();
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grid.render();
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loadingIndicator.fadeOut();
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});
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$("#txtSearch").keyup(function (e) {
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if (e.which == 13) {
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loader.setSearch($(this).val());
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var vp = grid.getViewport();
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loader.ensureData(vp.top, vp.bottom);
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}
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});
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loader.setSearch($("#txtSearch").val());
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loader.setSort("create_ts", -1);
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grid.setSortColumn("date", false);
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// load the first page
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grid.onViewportChanged.notify();
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})
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</script>
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</body>
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</html>
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