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<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>SlickGrid example 4: Model</title>
<link rel="stylesheet" href="../slick.grid.css" type="text/css"/>
<link rel="stylesheet" href="../controls/slick.pager.css" type="text/css"/>
<link rel="stylesheet" href="../css/smoothness/jquery-ui-1.8.16.custom.css" type="text/css"/>
<link rel="stylesheet" href="examples.css" type="text/css"/>
<link rel="stylesheet" href="../controls/slick.columnpicker.css" type="text/css"/>
<style>
.cell-title {
font-weight: bold;
}
.cell-effort-driven {
text-align: center;
}
.cell-selection {
border-right-color: silver;
border-right-style: solid;
background: #f5f5f5;
color: gray;
text-align: right;
font-size: 10px;
}
.slick-row.selected .cell-selection {
background-color: transparent; /* show default selected row background */
}
</style>
</head>
<body>
<div style="position:relative">
<div style="width:600px;">
<div class="grid-header" style="width:100%">
<label>SlickGrid</label>
<span style="float:right" class="ui-icon ui-icon-search" title="Toggle search panel"
onclick="toggleFilterRow()"></span>
</div>
<div id="myGrid" style="width:100%;height:500px;"></div>
<div id="pager" style="width:100%;height:20px;"></div>
</div>
<div class="options-panel">
<b>Search:</b>
<hr/>
<div style="padding:6px;">
<label style="width:200px;float:left">Show tasks with % at least: </label>
<div style="padding:2px;">
<div style="width:100px;display:inline-block;" id="pcSlider"></div>
</div>
<br/>
<label style="width:200px;float:left">And title including:</label>
<input type=text id="txtSearch" style="width:100px;">
<br/><br/>
<button id="btnSelectRows">Select first 10 rows</button>
<br/>
<h2>Demonstrates:</h2>
<ul>
<li>a filtered Model (DataView) as a data source instead of a simple array</li>
<li>grid reacting to model events (onRowCountChanged, onRowsChanged)</li>
<li>
<b>FAST</b> DataView recalculation and <b>real-time</b> grid updating in response to data changes.<br/>
The grid holds <b>50'000</b> rows, yet you are able to sort, filter, scroll, navigate and edit as if it had 50
rows.
</li>
<li>adding new rows, bidirectional sorting</li>
<li>column options: cannotTriggerInsert</li>
<li>events: onCellChange, onAddNewRow, onKeyDown, onSelectedRowsChanged, onSort</li>
<li><font color=red>NOTE:</font> all filters are immediately applied to new/edited rows</li>
<li>Handling row selection against model changes.</li>
<li>Paging.</li>
<li>inline filter panel</li>
</ul>
<h2>View Source:</h2>
<ul>
<li><A href="https://github.com/mleibman/SlickGrid/blob/gh-pages/examples/example4-model.html" target="_sourcewindow"> View the source for this example on Github</a></li>
</ul>
</div>
</div>
</div>
<div id="inlineFilterPanel" style="display:none;background:#dddddd;padding:3px;color:black;">
Show tasks with title including <input type="text" id="txtSearch2">
and % at least &nbsp;
<div style="width:100px;display:inline-block;" id="pcSlider2"></div>
</div>
<script src="../lib/firebugx.js"></script>
<script src="../lib/jquery-1.7.min.js"></script>
<script src="../lib/jquery-ui-1.8.16.custom.min.js"></script>
<script src="../lib/jquery.event.drag-2.2.js"></script>
<script src="../slick.core.js"></script>
<script src="../slick.formatters.js"></script>
<script src="../slick.editors.js"></script>
<script src="../plugins/slick.rowselectionmodel.js"></script>
<script src="../slick.grid.js"></script>
<script src="../slick.dataview.js"></script>
<script src="../controls/slick.pager.js"></script>
<script src="../controls/slick.columnpicker.js"></script>
<script>
var dataView;
var grid;
var data = [];
var columns = [
{id: "sel", name: "#", field: "num", behavior: "select", cssClass: "cell-selection", width: 40, cannotTriggerInsert: true, resizable: false, selectable: false },
{id: "title", name: "Title", field: "title", width: 120, minWidth: 120, cssClass: "cell-title", editor: Slick.Editors.Text, validator: requiredFieldValidator, sortable: true},
{id: "duration", name: "Duration", field: "duration", editor: Slick.Editors.Text, sortable: true},
{id: "%", defaultSortAsc: false, name: "% Complete", field: "percentComplete", width: 80, resizable: false, formatter: Slick.Formatters.PercentCompleteBar, editor: Slick.Editors.PercentComplete, sortable: true},
{id: "start", name: "Start", field: "start", minWidth: 60, editor: Slick.Editors.Date, sortable: true},
{id: "finish", name: "Finish", field: "finish", minWidth: 60, editor: Slick.Editors.Date, sortable: true},
{id: "effort-driven", name: "Effort Driven", width: 80, minWidth: 20, maxWidth: 80, cssClass: "cell-effort-driven", field: "effortDriven", formatter: Slick.Formatters.Checkmark, editor: Slick.Editors.Checkbox, cannotTriggerInsert: true, sortable: true}
];
var options = {
editable: true,
enableAddRow: true,
enableCellNavigation: true,
asyncEditorLoading: true,
forceFitColumns: false,
topPanelHeight: 25
};
var sortcol = "title";
var sortdir = 1;
var percentCompleteThreshold = 0;
var searchString = "";
function requiredFieldValidator(value) {
if (value == null || value == undefined || !value.length) {
return {valid: false, msg: "This is a required field"};
}
else {
return {valid: true, msg: null};
}
}
function myFilter(item, args) {
if (item["percentComplete"] < args.percentCompleteThreshold) {
return false;
}
if (args.searchString != "" && item["title"].indexOf(args.searchString) == -1) {
return false;
}
return true;
}
function percentCompleteSort(a, b) {
return a["percentComplete"] - b["percentComplete"];
}
function comparer(a, b) {
var x = a[sortcol], y = b[sortcol];
return (x == y ? 0 : (x > y ? 1 : -1));
}
function toggleFilterRow() {
grid.setTopPanelVisibility(!grid.getOptions().showTopPanel);
}
$(".grid-header .ui-icon")
.addClass("ui-state-default ui-corner-all")
.mouseover(function (e) {
$(e.target).addClass("ui-state-hover")
})
.mouseout(function (e) {
$(e.target).removeClass("ui-state-hover")
});
$(function () {
// prepare the data
for (var i = 0; i < 50000; i++) {
var d = (data[i] = {});
d["id"] = "id_" + i;
d["num"] = i;
d["title"] = "Task " + i;
d["duration"] = "5 days";
d["percentComplete"] = Math.round(Math.random() * 100);
d["start"] = "01/01/2009";
d["finish"] = "01/05/2009";
d["effortDriven"] = (i % 5 == 0);
}
dataView = new Slick.Data.DataView({ inlineFilters: true });
grid = new Slick.Grid("#myGrid", dataView, columns, options);
grid.setSelectionModel(new Slick.RowSelectionModel());
var pager = new Slick.Controls.Pager(dataView, grid, $("#pager"));
var columnpicker = new Slick.Controls.ColumnPicker(columns, grid, options);
// move the filter panel defined in a hidden div into grid top panel
$("#inlineFilterPanel")
.appendTo(grid.getTopPanel())
.show();
grid.onCellChange.subscribe(function (e, args) {
dataView.updateItem(args.item.id, args.item);
});
grid.onAddNewRow.subscribe(function (e, args) {
var item = {"num": data.length, "id": "new_" + (Math.round(Math.random() * 10000)), "title": "New task", "duration": "1 day", "percentComplete": 0, "start": "01/01/2009", "finish": "01/01/2009", "effortDriven": false};
$.extend(item, args.item);
dataView.addItem(item);
});
grid.onKeyDown.subscribe(function (e) {
// select all rows on ctrl-a
if (e.which != 65 || !e.ctrlKey) {
return false;
}
var rows = [];
for (var i = 0; i < dataView.getLength(); i++) {
rows.push(i);
}
grid.setSelectedRows(rows);
e.preventDefault();
});
grid.onSort.subscribe(function (e, args) {
sortdir = args.sortAsc ? 1 : -1;
sortcol = args.sortCol.field;
if ($.browser.msie && $.browser.version <= 8) {
// using temporary Object.prototype.toString override
// more limited and does lexicographic sort only by default, but can be much faster
var percentCompleteValueFn = function () {
var val = this["percentComplete"];
if (val < 10) {
return "00" + val;
} else if (val < 100) {
return "0" + val;
} else {
return val;
}
};
// use numeric sort of % and lexicographic for everything else
dataView.fastSort((sortcol == "percentComplete") ? percentCompleteValueFn : sortcol, args.sortAsc);
} else {
// using native sort with comparer
// preferred method but can be very slow in IE with huge datasets
dataView.sort(comparer, args.sortAsc);
}
});
// wire up model events to drive the grid
dataView.onRowCountChanged.subscribe(function (e, args) {
grid.updateRowCount();
grid.render();
});
dataView.onRowsChanged.subscribe(function (e, args) {
grid.invalidateRows(args.rows);
grid.render();
});
dataView.onPagingInfoChanged.subscribe(function (e, pagingInfo) {
var isLastPage = pagingInfo.pageNum == pagingInfo.totalPages - 1;
var enableAddRow = isLastPage || pagingInfo.pageSize == 0;
var options = grid.getOptions();
if (options.enableAddRow != enableAddRow) {
grid.setOptions({enableAddRow: enableAddRow});
}
});
var h_runfilters = null;
// wire up the slider to apply the filter to the model
$("#pcSlider,#pcSlider2").slider({
"range": "min",
"slide": function (event, ui) {
Slick.GlobalEditorLock.cancelCurrentEdit();
if (percentCompleteThreshold != ui.value) {
window.clearTimeout(h_runfilters);
h_runfilters = window.setTimeout(updateFilter, 10);
percentCompleteThreshold = ui.value;
}
}
});
// wire up the search textbox to apply the filter to the model
$("#txtSearch,#txtSearch2").keyup(function (e) {
Slick.GlobalEditorLock.cancelCurrentEdit();
// clear on Esc
if (e.which == 27) {
this.value = "";
}
searchString = this.value;
updateFilter();
});
function updateFilter() {
dataView.setFilterArgs({
percentCompleteThreshold: percentCompleteThreshold,
searchString: searchString
});
dataView.refresh();
}
$("#btnSelectRows").click(function () {
if (!Slick.GlobalEditorLock.commitCurrentEdit()) {
return;
}
var rows = [];
for (var i = 0; i < 10 && i < dataView.getLength(); i++) {
rows.push(i);
}
grid.setSelectedRows(rows);
});
// initialize the model after all the events have been hooked up
dataView.beginUpdate();
dataView.setItems(data);
dataView.setFilterArgs({
percentCompleteThreshold: percentCompleteThreshold,
searchString: searchString
});
dataView.setFilter(myFilter);
dataView.endUpdate();
// if you don't want the items that are not visible (due to being filtered out
// or being on a different page) to stay selected, pass 'false' to the second arg
dataView.syncGridSelection(grid, true);
$("#gridContainer").resizable();
})
</script>
</body>
</html>
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