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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>qooxdoo » Demo » Sample</title>
<link type="text/css" rel="stylesheet" href="../../css/layout.css"/>
<!--[if IE]>
<link type="text/css" rel="stylesheet" href="../../css/layout_ie.css"/>
<![endif]-->
<script type="text/javascript" src="../../script/sample.js"></script>
</head>
<body>
<script type="text/javascript" src="../../script/layout.js"></script>
<div id="demoDescription">
<p>Show use of events upon tree opening and closing, including adding
nodes dynamically upon tree open and removing the open/close button upon
tree open if the branch contains no children.
</p><p>
Allows controlling selection mode. Labels of selected items are
displayed.
</p>
</div>
<script type="text/javascript">
qx.core.Init.getInstance().defineMain(function()
{
// tree
var tree = new qx.ui.treevirtual.TreeVirtual("Tree");
with (tree)
{
set({
left : 10,
top : 30,
width : 400,
bottom : 30,
border : qx.renderer.border.BorderPresets.getInstance().thinInset
});
setColumnWidth(0, 400);
setAlwaysShowOpenCloseSymbol(true);
};
// Add the tree to the document
tree.addToDocument();
// tree data model
var dataModel = tree.getDataModel();
var te1 = dataModel.addBranch(null, "Desktop", true);
var te;
dataModel.addBranch(te1, "Files", true);
te = dataModel.addBranch(te1, "Workspace", true);
dataModel.addLeaf(te, "Windows (C:)");
dataModel.addLeaf(te, "Documents (D:)");
dataModel.addBranch(te1, "Network", true);
dataModel.addBranch(te1, "Trash", true);
var te2 = dataModel.addBranch(null, "Inbox", true);
te = dataModel.addBranch(te2, "Spam", false);
for (var i = 1; i < 3000; i++)
{
dataModel.addLeaf(te, "Spam Message #" + i);
}
dataModel.addBranch(te2, "Sent", false);
dataModel.addBranch(te2, "Trash", false);
dataModel.addBranch(te2, "Data", false);
dataModel.addBranch(te2, "Edit", false);
dataModel.setData();
var newItem = 1;
/*
* Each time we get a treeOpenWithContent event, add yet another leaf node
* to the node being opened.
*/
tree.addEventListener("treeOpenWithContent",
function(e)
{
alert('treeOpenWithContent ');
var node = e.getData();
dataModel.addLeaf(node.nodeId, newItem.toString());
newItem++;
});
tree.addEventListener("treeClose",
function(e)
{
alert('treeClose ');
});
/*
* We handle opening an empty folder specially. We demonstrate how to
* disable the open/close symbol once we've determined there's nothing in
* it. This feature might be used to dynamically retrieve the contents of
* the folder, and if nothing is available, indicate it by removing the
* open/close symbol.
*/
tree.addEventListener("treeOpenWhileEmpty",
function(e)
{
alert('treeOpenWhileEmpty');
var node = e.getData();
tree.setState(node.nodeId,
{ bHideOpenClose : true });
});
tree.addEventListener("changeSelection",
function(e)
{
var text = "Selected labels:";
var selectedNodes = e.getData();
for (i = 0; i < selectedNodes.length; i++)
{
text += "\n " + selectedNodes[i].label;
}
alert('changeSelection: ' + text);
});
var commandFrame = new qx.ui.groupbox.GroupBox("Control");
commandFrame.set({ top: 48, left: 520, right: 290, height: "auto" });
commandFrame.addToDocument();
// Create a combo box for the selection type
var o = new qx.ui.basic.Atom("Selection Mode: ");
o.set({ top: 6, left: 0 });
commandFrame.add(o);
o = new qx.ui.form.ComboBox();
o.set({ top: 20, left: 4, width: "100%" });
o.setEditable(false);
// Add the various selection types
var item = new qx.ui.form.ListItem("No Selection");
o.add(item);
var item = new qx.ui.form.ListItem("Single Selection");
o.add(item);
o.setSelected(item);
var item = new qx.ui.form.ListItem("Single Interval Selection");
o.add(item);
var item = new qx.ui.form.ListItem("Multiple Interval Selection");
o.add(item);
// We want to be notified if the selection changes
o.addEventListener(
"changeSelected",
function()
{
switch(this.getValue())
{
case "No Selection":
tree.setSelectionMode(
qx.ui.treevirtual.TreeVirtual.SelectionMode.NONE);
break;
case "Single Selection":
tree.setSelectionMode(
qx.ui.treevirtual.TreeVirtual.SelectionMode.SINGLE);
break;
case "Single Interval Selection":
tree.setSelectionMode(
qx.ui.treevirtual.TreeVirtual.SelectionMode.SINGLE_INTERVAL);
break;
case "Multiple Interval Selection":
tree.setSelectionMode(
qx.ui.treevirtual.TreeVirtual.SelectionMode.MULTIPLE_INTERVAL);
break;
}
});
commandFrame.add(o);
});
</script>
</body>
</html>
|
