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Example: Standard jQuery drag-and-drop
출처 : http://wwwendt.de/tech/dynatree/doc/samples.html
jquery_dynatree-1_2_5-all.zip
This sample uses the standard jQuery draggable and droppable.
Skin:
|
This tree allows dragging. |
This tree allows dropping. |
|---|---|
|
Active node: - |
Active node: Sub-item 2.1.1(_4) |
jquery.dynatree.js project home Link to this page Example Browser Hide source code
Dynatree DEVELOPMENT, jQuery UI 1.8.24, jQuery 1.8.2
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=ISO-8859-1">
<title>Dynatree - Example</title>
<!--
<script src="../jquery/jquery.cookie.js" type="text/javascript"></script>
<script src="../jquery/jquery.js" type="text/javascript"></script>
<script src="../jquery/jquery-ui.custom.js" type="text/javascript"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js" type="text/javascript"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1/jquery-ui.min.js" type="text/javascript"></script>
-->
<script src="../jquery/jquery.cookie.js" type="text/javascript"></script>
<script src="../jquery/jquery.js" type="text/javascript"></script>
<script src="../jquery/jquery-ui.custom.js" type="text/javascript"></script>
<link href="../src/skin/ui.dynatree.css" rel="stylesheet" type="text/css" id="skinSheet">
<script src="../src/jquery.dynatree.js" type="text/javascript"></script>
<style type="text/css">
#draggableSample, #droppableSample {
height:100px;
padding:0.5em;
width:150px;
border:1px solid #AAAAAA;
}
#draggableSample {
background-color: silver;
color:#222222;
}
#droppableSample {
background-color: maroon;
color: white;
}
#droppableSample.drophover {
border: 1px solid green;
}
</style>
<!-- (Irrelevant source removed.) -->
<script type="text/javascript"><!--
$(function(){
// --- Initialize first Dynatree -------------------------------------------
$("#tree").dynatree({
initAjax: {
url: "sample-data3.json"
},
onLazyRead: function(node){
// Mockup a slow reqeuest ...
node.appendAjax({
url: "sample-data2.json",
debugLazyDelay: 750 // don't do thi in production code
});
},
onActivate: function(node) {
$("#echoActive").text(node.data.title + "(" + node.data.key + ")");
},
onDeactivate: function(node) {
$("#echoActive").text("-");
},
dnd: {
revert: false, // true: slide helper back to source if drop is rejected
onDragStart: function(node) {
/** This function MUST be defined to enable dragging for the tree.
* Return false to cancel dragging of node.
*/
logMsg("tree.onDragStart(%o)", node);
if(node.data.isFolder){
return false;
}
return true;
},
onDragStop: function(node) {
logMsg("tree.onDragStop(%o)", node);
}
}
});
// --- Initialize second Dynatree ------------------------------------------
$("#tree2").dynatree({
initAjax: {
url: "sample-data3.json"
},
onLazyRead: function(node){
// Mockup a slow reqeuest ...
node.appendAjax({
url: "sample-data2.json",
debugLazyDelay: 750 // don't do thi in production code
});
},
onActivate: function(node) {
$("#echoActive2").text(node.data.title + "(" + node.data.key + ")");
},
onDeactivate: function(node) {
$("#echoActive2").text("-");
},
onLazyRead: function(node){
node.appendAjax({
url: "sample-data2.json"
});
},
dnd: {
autoExpandMS: 1000,
preventVoidMoves: true, // Prevent dropping nodes 'before self', etc.
onDragEnter: function(node, sourceNode) {
/* sourceNode may be null for non-dynatree droppables.
* Return false to disallow dropping on node. In this case
* onDragOver and onDragLeave are not called.
* Return 'over', 'before, or 'after' to force a hitMode.
* Any other return value will calc the hitMode from the cursor position.
*/
logMsg("tree.onDragEnter(%o, %o)", node, sourceNode);
// For the sake of this example deny dropping over folders
if(node.data.isFolder){
return false;
}
return true;
// return "over";
},
onDragOver: function(node, sourceNode, hitMode) {
/* Return false to disallow dropping this node.*/
// if(node.data.isFolder){
// var dd = $.ui.ddmanager.current;
// dd.cancel();
// alert("folder");
// }
logMsg("tree.onDragOver(%o, %o, %o)", node, sourceNode, hitMode);
},
onDrop: function(node, sourceNode, hitMode, ui, draggable) {
/* This function MUST be defined to enable dropping of items on the tree.
* sourceNode may be null, if it is a non-Dynatree droppable.
*/
logMsg("tree.onDrop(%o, %o)", node, sourceNode);
var copynode;
if(sourceNode) {
copynode = sourceNode.toDict(true, function(dict){
dict.title = "Copy of " + dict.title;
delete dict.key; // Remove key, so a new one will be created
});
}else{
copynode = {title: "This node was dropped here (" + ui.helper + ")."};
}
if(hitMode == "over"){
// Append as child node
node.addChild(copynode);
// expand the drop target
node.expand(true);
}else if(hitMode == "before"){
// Add before this, i.e. as child of current parent
node.parent.addChild(copynode, node);
}else if(hitMode == "after"){
// Add after this, i.e. as child of current parent
node.parent.addChild(copynode, node.getNextSibling());
}
},
onDragLeave: function(node, sourceNode) {
/** Always called if onDragEnter was called.
*/
logMsg("tree.onDragLeave(%o, %o)", node, sourceNode);
}
}
});
// --- Initialize simple draggable sample ----------------------------------
$("#draggableSample").draggable({
// revert: "invalid", // slide back, when dropping over non-target
revert: function(dropped){
// Return `true` to let the helper slide back.
if(typeof dropped === "boolean"){
// dropped == true, when dropped over a simple, valid droppable target.
// false, when dropped outside a drop target.
return !dropped;
}
// Drop comes from another tree. Default behavior is to assume
// a valid drop, since we are over a drop-target.
// Therefore we have to make an extra check, if the target node
// was rejected by a Dynatree callback.
var helper = $.ui.ddmanager && $.ui.ddmanager.current && $.ui.ddmanager.current.helper;
var isRejected = helper && helper.hasClass("dynatree-drop-reject");
return isRejected;
},
connectToDynatree: true,
cursorAt: { top: -5, left:-5 },
helper: "clone"
});
// --- Initialize simple droppable sample ----------------------------------
$("#droppableSample").droppable({
hoverClass: "drophover",
addClasses: true,
// tolerance: "pointer",
over: function(event, ui) {
logMsg("droppable.over, %o, %o", event, ui);
},
drop: function(event, ui) {
var source = ui.helper.data("dtSourceNode") || ui.draggable;
$(this).addClass("ui-state-highlight").find("p").html("Dropped " + source);
// alert("dropped");
}
});
<!-- (Irrelevant source removed.) -->
});
--></script>
</head>
<body class="example">
<h1>Example: Standard jQuery drag-and-drop</h1>
<p class="description">
This sample uses the standard jQuery draggable and droppable.
</p>
<div>
Skin:
<select id="skinCombo" size="1">
<option value="skin">Standard ('/skin/')</option>
<option value="skin-vista">Vista ('/skin-vista/')</option>
</select>
</div>
<table>
<thead>
<tr>
<th>
<p>This tree allows dragging.</p>
</th>
<th>
<p>This tree allows dropping.</p>
</th>
</tr>
</thead>
<tbody>
<tr valign="top">
<td>
<div id="tree"> </div>
</td>
<td>
<div id="tree2"></div>
</td>
</tr>
<tr>
<td>
<div>Active node: <span id="echoActive">-</span></div>
</td>
<td>
<div>Active node: <span id="echoActive2">-</span></div>
</td>
</tr>
<tr>
<td>
<div id="draggableSample" class="ui-widget-content">
<p>Drag me around</p>
</div>
</td>
<td>
<div id="droppableSample" class="ui-widget-content">
<p>Drop something here</p>
</div>
</td>
</tr>
</tbody>
</table>
<!-- (Irrelevant source removed.) -->
</body>
</html>
