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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>qooxdoo » Demo</title>
<link type="text/css" rel="stylesheet" href="../../resource/css/layout.css"/>
<!--[if IE]>
<link
type="text/css" rel="stylesheet" href="../../resource/css/layout_ie.css"/>
<![endif]-->
<script type="text/javascript" src="../../script/qx.js"></script>
</head>
<body>
<script type="text/javascript" src="../../script/layout.js"></script>
<div id="demoDescription">
<p>
Shows a tree which listens for tree events. This script communicates via
JSON-RPC to a backend server. Each time a new tree node is opened, the
children are requested from the server. See the server-side functions
at backend/php/services/qooxdoo/fs.php.
</div>
<script type="text/javascript">
qx.core.Init.getInstance().defineMain(
function()
{
var addChildren = function(parent, children)
{
var t;
var trs;
var child;
for (i = 0; i < children.length; i++)
{
child = children[i];
trs = qx.ui.treefullcontrol.TreeRowStructure.getInstance().newRow();
// Here's our indentation and tree-lines
trs.addIndent();
// If not a file or directory, change the icon
var bIsDirectory = ((child.mode & 0040000) != 0);
var bIsFile = ((child.mode & 0100000) != 0);
if (! bIsDirectory && ! bIsFile)
{
trs.addIcon("icon/16/desktop.png",
"icon/16/dictionary.png");
}
else
{
trs.addIcon();
}
// The label
trs.addLabel(child.name);
// All else should be right justified
obj = new qx.ui.basic.HorizontalSpacer;
trs.addObject(obj, true);
// Add the permissions
mode = "";
mode = ((child.mode & 0001) ? "x" : "-") + mode;
mode = ((child.mode & 0002) ? "w" : "-") + mode;
mode = ((child.mode & 0004) ? "r" : "-") + mode;
mode = ((child.mode & 0010) ? "x" : "-") + mode;
mode = ((child.mode & 0020) ? "w" : "-") + mode;
mode = ((child.mode & 0040) ? "r" : "-") + mode;
mode = ((child.mode & 0100) ? "x" : "-") + mode;
mode = ((child.mode & 0200) ? "w" : "-") + mode;
mode = ((child.mode & 0400) ? "r" : "-") + mode;
obj = new qx.ui.basic.Label(mode);
obj.setWidth(80);
obj.setStyleProperty("fontFamily", "monospace");
trs.addObject(obj, true);
// Add a file size, date and mode
obj = new qx.ui.basic.Label(child.size + "");
obj.setWidth(50);
obj.setStyleProperty("fontFamily", "monospace");
trs.addObject(obj, true);
var d = new Date();
d.setTime(child.mtime * 1000);
obj = new qx.ui.basic.Label(d.toString().slice(0,33));
obj.setWidth(200);
obj.setStyleProperty("fontFamily", "monospace");
trs.addObject(obj, true);
if (bIsDirectory)
{
t = new qx.ui.treefullcontrol.TreeFolder(trs);
}
else
{
t = new qx.ui.treefullcontrol.TreeFile(trs);
}
parent.add(t);
}
}
/*
* Reset the default of always showing the plus/minus symbol. The
* default is 'false'. We want to always display it for each folder
* (and then stop displaying it if we determine upon open that there
* are no contents).
*/
var constructor = qx.OO.classes["qx.ui.treefullcontrol.TreeFolder"];
qx.Proto = constructor.prototype;
qx.OO.changeProperty({
name : "alwaysShowPlusMinusSymbol",
type : qx.constant.Type.BOOLEAN,
defaultValue : true });
var rpc = new qx.io.remote.Rpc();
rpc.setTimeout(10000);
rpc.setUrl("/services/");
rpc.setServiceName("qooxdoo.fs");
rpc.setCrossDomain(false);
var mycall = null;
var trs = qx.ui.treefullcontrol.TreeRowStructure.getInstance().standard("Root");
var t = new qx.ui.treefullcontrol.Tree(trs);
with(t)
{
setBackgroundColor(255);
setBorder(qx.renderer.border.BorderPresets.getInstance().inset);
setOverflow("scrollY");
setHeight(null);
setTop(48);
setLeft(20);
setWidth(700);
setBottom(48);
setHideNode(true); // hide the root node
setUseTreeLines(true); // display tree lines
};
/*
* All subtrees will use this root node's event listeners. Create an
* event listener for an open while empty.
*/
t.addEventListener(
qx.constant.Event.TREEOPENWHILEEMPTY,
function(e)
{
var parent = e.getData();
var hierarchy = parent.getHierarchy(new Array());
parent.debug("Requesting children...");
// Strip off the root node
hierarchy.shift();
mycall = rpc.callAsync(
function(result, ex, id)
{
mycall = null;
if (ex == null) {
parent.debug("Children obtained. Rendering...");
addChildren(parent, result);
parent.debug("Rendering complete.");
} else {
alert("Async(" + id + ") exception: " + ex);
}
},
"readDirEntries",
hierarchy,
true);
});
qx.ui.core.ClientDocument.getInstance().add(t);
var trs = qx.ui.treefullcontrol.TreeRowStructure.getInstance().standard("Sandbox");
var tf = new qx.ui.treefullcontrol.TreeFolder(trs);
t.add(tf);
});
/*
* Local Variables:
* mode: java
* End:
*/
</script>
</body>
</html>
|
