Upgrade to ExtJS 3.2.1 - Released 04/27/2010
[extjs.git] / docs / output / Ext.dd.DropTarget.html
index 96e3c0f..1536341 100644 (file)
@@ -1,12 +1,7 @@
-<div class="body-wrap" xmlns:ext="http://www.extjs.com"><div class="top-tools"><a class="inner-link" href="#Ext.dd.DropTarget-props"><img src="resources/images/default/s.gif" class="item-icon icon-prop">Properties</a>&#13;<a class="inner-link" href="#Ext.dd.DropTarget-methods"><img src="resources/images/default/s.gif" class="item-icon icon-method">Methods</a>&#13;<a class="inner-link" href="#Ext.dd.DropTarget-events"><img src="resources/images/default/s.gif" class="item-icon icon-event">Events</a>&#13;<a class="inner-link" href="#Ext.dd.DropTarget-configs"><img src="resources/images/default/s.gif" class="item-icon icon-config">Config Options</a>&#13;<a class="bookmark" href="../docs/?class=Ext.dd.DropTarget"><img src="resources/images/default/s.gif" class="item-icon icon-fav">Direct Link</a>&#13;</div><div class="inheritance res-block"><pre class="res-block-inner"><a href="output/Ext.dd.DragDrop.html" ext:member="" ext:cls="Ext.dd.DragDrop">DragDrop</a>&#13;&nbsp;&nbsp;<img src="resources/elbow-end.gif"><a href="output/Ext.dd.DDTarget.html" ext:member="" ext:cls="Ext.dd.DDTarget">DDTarget</a>&#13;&nbsp;&nbsp;&nbsp;&nbsp;<img src="resources/elbow-end.gif">DropTarget</pre></div><h1>Class <a href="source/DropTarget.html#cls-Ext.dd.DropTarget">Ext.dd.DropTarget</a></h1><table cellspacing="0"><tr><td class="label">Package:</td><td class="hd-info">Ext.dd</td></tr><tr><td class="label">Defined In:</td><td class="hd-info">DropTarget.js</td></tr><tr><td class="label">Class:</td><td class="hd-info"><a href="source/DropTarget.html#cls-Ext.dd.DropTarget">DropTarget</a></td></tr><tr><td class="label">Subclasses:</td><td class="hd-info"><a href="output/Ext.dd.DropZone.html" ext:cls="Ext.dd.DropZone">DropZone</a></td></tr><tr><td class="label">Extends:</td><td class="hd-info"><a href="output/Ext.dd.DDTarget.html" ext:cls="Ext.dd.DDTarget" ext:member="">DDTarget</a></td></tr></table><div class="description">A simple class that provides the basic implementation needed to make any element a drop target that can have\r
-draggable items dropped onto it.  The drop has no effect until an implementation of notifyDrop is provided.</div><div class="hr"></div><a id="Ext.dd.DropTarget-configs"></a><h2>Config Options</h2><table cellspacing="0" class="member-table"><tbody><tr><th colspan="2" class="sig-header">Config Options</th><th class="msource-header">Defined By</th></tr><tr class="config-row expandable "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.dd.DropTarget-ddGroup"></a><b><a href="source/DropTarget.html#cfg-Ext.dd.DropTarget-ddGroup">ddGroup</a></b> : String<div class="mdesc"><div class="short">A named drag drop group to which this object belongs.  If a group is specified, then this object will only&#13;
-interact ...</div><div class="long">A named drag drop group to which this object belongs.  If a group is specified, then this object will only\r
-interact with other drag drop objects in the same group (defaults to undefined).</div></div></td><td class="msource">DropTarget</td></tr><tr class="config-row  "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.dd.DropTarget-dropAllowed"></a><b><a href="source/DropTarget.html#cfg-Ext.dd.DropTarget-dropAllowed">dropAllowed</a></b> : String<div class="mdesc">The CSS class returned to the drag source when drop is allowed (defaults to "x-dd-drop-ok").</div></td><td class="msource">DropTarget</td></tr><tr class="config-row  "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.dd.DropTarget-dropNotAllowed"></a><b><a href="source/DropTarget.html#cfg-Ext.dd.DropTarget-dropNotAllowed">dropNotAllowed</a></b> : String<div class="mdesc">The CSS class returned to the drag source when drop is not allowed (defaults to "x-dd-drop-nodrop").</div></td><td class="msource">DropTarget</td></tr><tr class="config-row  "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.dd.DropTarget-overClass"></a><b><a href="source/DropTarget.html#cfg-Ext.dd.DropTarget-overClass">overClass</a></b> : String<div class="mdesc">The CSS class applied to the drop target element while the drag source is over it (defaults to "").</div></td><td class="msource">DropTarget</td></tr></tbody></table><a id="Ext.dd.DropTarget-props"></a><h2>Public Properties</h2><table cellspacing="0" class="member-table"><tbody><tr><th colspan="2" class="sig-header">Property</th><th class="msource-header">Defined By</th></tr><tr class="property-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.dd.DragDrop-Only"></a><b><a href="source/DDCore.html#prop-Ext.dd.DragDrop-Only">Only</a></b> : Object<div class="mdesc"><div class="short">The drag and drop utility provides a framework for building drag and drop
-applications.  In addition to enabling drag...</div><div class="long">The drag and drop utility provides a framework for building drag and drop
-applications.  In addition to enabling drag and drop for specific elements,
-the drag and drop elements are tracked by the manager class, and the
-interactions between the various elements are tracked during the drag and
-the implementing code is notified about these important moments.</div></div></td><td class="msource"><a href="output/Ext.dd.DragDrop.html#Only" ext:member="#Only" ext:cls="Ext.dd.DragDrop">DragDrop</a></td></tr><tr class="property-row  inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.dd.DragDrop-available"></a><b><a href="source/DDCore.html#prop-Ext.dd.DragDrop-available">available</a></b> : boolean<div class="mdesc">The availabe property is false until the linked dom element is accessible.</div></td><td class="msource"><a href="output/Ext.dd.DragDrop.html#available" ext:member="#available" ext:cls="Ext.dd.DragDrop">DragDrop</a></td></tr><tr class="property-row  inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.dd.DragDrop-config"></a><b><a href="source/DDCore.html#prop-Ext.dd.DragDrop-config">config</a></b> : object<div class="mdesc">Configuration attributes passed into the constructor</div></td><td class="msource"><a href="output/Ext.dd.DragDrop.html#config" ext:member="#config" ext:cls="Ext.dd.DragDrop">DragDrop</a></td></tr><tr class="property-row  inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.dd.DragDrop-defaultPadding"></a><b><a href="source/DDCore.html#prop-Ext.dd.DragDrop-defaultPadding">defaultPadding</a></b> : Object<div class="mdesc">Provides default constraint padding to "constrainTo" elements (defaults to {left: 0, right:0, top:0, bottom:0}).</div></td><td class="msource"><a href="output/Ext.dd.DragDrop.html#defaultPadding" ext:member="#defaultPadding" ext:cls="Ext.dd.DragDrop">DragDrop</a></td></tr><tr class="property-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.dd.DragDrop-groups"></a><b><a href="source/DDCore.html#prop-Ext.dd.DragDrop-groups">groups</a></b> : object An object in the format {'group1':true, 'group2':true<div class="mdesc"><div class="short">The group defines a logical collection of DragDrop objects that are
+<div class="body-wrap" xmlns:ext="http://www.extjs.com"><div class="top-tools"><a class="inner-link" href="#Ext.dd.DropTarget-props"><img src="../resources/images/default/s.gif" class="item-icon icon-prop">Properties</a>&#13;<a class="inner-link" href="#Ext.dd.DropTarget-methods"><img src="../resources/images/default/s.gif" class="item-icon icon-method">Methods</a>&#13;<a class="inner-link" href="#Ext.dd.DropTarget-events"><img src="../resources/images/default/s.gif" class="item-icon icon-event">Events</a>&#13;<a class="inner-link" href="#Ext.dd.DropTarget-configs"><img src="../resources/images/default/s.gif" class="item-icon icon-config">Config Options</a>&#13;<a class="bookmark" href="../docs/?class=Ext.dd.DropTarget"><img src="../resources/images/default/s.gif" class="item-icon icon-fav">Direct Link</a>&#13;</div><div class="inheritance res-block"><pre class="res-block-inner"><a href="output/Ext.dd.DragDrop.html" ext:member="" ext:cls="Ext.dd.DragDrop">DragDrop</a>&#13;&nbsp;&nbsp;<img src="resources/elbow-end.gif"><a href="output/Ext.dd.DDTarget.html" ext:member="" ext:cls="Ext.dd.DDTarget">DDTarget</a>&#13;&nbsp;&nbsp;&nbsp;&nbsp;<img src="resources/elbow-end.gif">DropTarget</pre></div><h1>Class <a href="source/DropTarget.html#cls-Ext.dd.DropTarget">Ext.dd.DropTarget</a></h1><table cellspacing="0"><tr><td class="label">Package:</td><td class="hd-info">Ext.dd</td></tr><tr><td class="label">Defined In:</td><td class="hd-info"><a href="source/DropTarget.html#cls-Ext.dd.DropTarget">DropTarget.js</a></td></tr><tr><td class="label">Class:</td><td class="hd-info"><a href="source/DropTarget.html#cls-Ext.dd.DropTarget">DropTarget</a></td></tr><tr><td class="label">Subclasses:</td><td class="hd-info"><a href="output/Ext.dd.DropZone.html" ext:cls="Ext.dd.DropZone">DropZone</a></td></tr><tr><td class="label">Extends:</td><td class="hd-info"><a href="output/Ext.dd.DDTarget.html" ext:cls="Ext.dd.DDTarget" ext:member="">DDTarget</a></td></tr></table><div class="description">A simple class that provides the basic implementation needed to make any element a drop target that can have
+draggable items dropped onto it.  The drop has no effect until an implementation of notifyDrop is provided.</div><div class="hr"></div><a id="Ext.dd.DropTarget-configs"></a><h2>Config Options</h2><table cellspacing="0" class="member-table"><tbody><tr><th colspan="2" class="sig-header">Config Options</th><th class="msource-header">Defined By</th></tr><tr class="config-row expandable "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.dd.DropTarget-ddGroup"></a><b><a href="source/DropTarget.html#cfg-Ext.dd.DropTarget-ddGroup">ddGroup</a></b> : String<div class="mdesc"><div class="short">A named drag drop group to which this object belongs.  If a group is specified, then this object will only
+interact w...</div><div class="long">A named drag drop group to which this object belongs.  If a group is specified, then this object will only
+interact with other drag drop objects in the same group (defaults to undefined).</div></div></td><td class="msource">DropTarget</td></tr><tr class="config-row  "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.dd.DropTarget-dropAllowed"></a><b><a href="source/DropTarget.html#cfg-Ext.dd.DropTarget-dropAllowed">dropAllowed</a></b> : String<div class="mdesc">The CSS class returned to the drag source when drop is allowed (defaults to "x-dd-drop-ok").</div></td><td class="msource">DropTarget</td></tr><tr class="config-row  "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.dd.DropTarget-dropNotAllowed"></a><b><a href="source/DropTarget.html#cfg-Ext.dd.DropTarget-dropNotAllowed">dropNotAllowed</a></b> : String<div class="mdesc">The CSS class returned to the drag source when drop is not allowed (defaults to "x-dd-drop-nodrop").</div></td><td class="msource">DropTarget</td></tr><tr class="config-row  "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.dd.DropTarget-overClass"></a><b><a href="source/DropTarget.html#cfg-Ext.dd.DropTarget-overClass">overClass</a></b> : String<div class="mdesc">The CSS class applied to the drop target element while the drag source is over it (defaults to "").</div></td><td class="msource">DropTarget</td></tr></tbody></table><a id="Ext.dd.DropTarget-props"></a><h2>Public Properties</h2><table cellspacing="0" class="member-table"><tbody><tr><th colspan="2" class="sig-header">Property</th><th class="msource-header">Defined By</th></tr><tr class="property-row  inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.dd.DragDrop-available"></a><b><a href="source/DDCore.html#prop-Ext.dd.DragDrop-available">available</a></b> : boolean<div class="mdesc">The available property is false until the linked dom element is accessible.</div></td><td class="msource"><a href="output/Ext.dd.DragDrop.html#available" ext:member="#available" ext:cls="Ext.dd.DragDrop">DragDrop</a></td></tr><tr class="property-row  inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.dd.DragDrop-config"></a><b><a href="source/DDCore.html#prop-Ext.dd.DragDrop-config">config</a></b> : object<div class="mdesc">Configuration attributes passed into the constructor</div></td><td class="msource"><a href="output/Ext.dd.DragDrop.html#config" ext:member="#config" ext:cls="Ext.dd.DragDrop">DragDrop</a></td></tr><tr class="property-row  inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.dd.DragDrop-defaultPadding"></a><b><a href="source/DDCore.html#prop-Ext.dd.DragDrop-defaultPadding">defaultPadding</a></b> : Object<div class="mdesc">Provides default constraint padding to "constrainTo" elements (defaults to {left: 0, right:0, top:0, bottom:0}).</div></td><td class="msource"><a href="output/Ext.dd.DragDrop.html#defaultPadding" ext:member="#defaultPadding" ext:cls="Ext.dd.DragDrop">DragDrop</a></td></tr><tr class="property-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.dd.DragDrop-groups"></a><b><a href="source/DDCore.html#prop-Ext.dd.DragDrop-groups">groups</a></b> : object An object in the format {'group1':true, 'group2':true<div class="mdesc"><div class="short">The group defines a logical collection of DragDrop objects that are
 related.  Instances only get events when interact...</div><div class="long">The group defines a logical collection of DragDrop objects that are
 related.  Instances only get events when interacting with other
 DragDrop object in the same group.  This lets us define multiple
@@ -125,27 +120,27 @@ false</div></li></ul></div></div></div></td><td class="msource"><a href="output/
     :
                                         void<div class="mdesc"><div class="short">Lock this instance</div><div class="long">Lock this instance<div class="mdetail-params"><strong>Parameters:</strong><ul><li>None.</li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource"><a href="output/Ext.dd.DragDrop.html#lock" ext:member="#lock" ext:cls="Ext.dd.DragDrop">DragDrop</a></td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.dd.DropTarget-notifyDrop"></a><b><a href="source/DropTarget.html#method-Ext.dd.DropTarget-notifyDrop">notifyDrop</a></b>(&nbsp;<code>Ext.dd.DragSource&nbsp;source</code>,&nbsp;<code>Event&nbsp;e</code>,&nbsp;<code>Object&nbsp;data</code>&nbsp;)
     :
-                                        Boolean<div class="mdesc"><div class="short">The function a Ext.dd.DragSource calls once to notify this drop target that the dragged item has&#13;
-been dropped on it....</div><div class="long">The function a <a href="output/Ext.dd.DragSource.html" ext:cls="Ext.dd.DragSource">Ext.dd.DragSource</a> calls once to notify this drop target that the dragged item has\r
-been dropped on it.  This method has no default implementation and returns false, so you must provide an\r
-implementation that does something to process the drop event and returns true so that the drag source's\r
+                                        Boolean<div class="mdesc"><div class="short">The function a Ext.dd.DragSource calls once to notify this drop target that the dragged item has
+been dropped on it. ...</div><div class="long">The function a <a href="output/Ext.dd.DragSource.html" ext:cls="Ext.dd.DragSource">Ext.dd.DragSource</a> calls once to notify this drop target that the dragged item has
+been dropped on it.  This method has no default implementation and returns false, so you must provide an
+implementation that does something to process the drop event and returns true so that the drag source's
 repair action does not run.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>source</code> : Ext.dd.DragSource<div class="sub-desc">The drag source that was dragged over this drop target</div></li><li><code>e</code> : Event<div class="sub-desc">The event</div></li><li><code>data</code> : Object<div class="sub-desc">An object containing arbitrary data supplied by the drag source</div></li></ul><strong>Returns:</strong><ul><li><code>Boolean</code><div class="sub-desc">True if the drop was valid, else false</div></li></ul></div></div></div></td><td class="msource">DropTarget</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.dd.DropTarget-notifyEnter"></a><b><a href="source/DropTarget.html#method-Ext.dd.DropTarget-notifyEnter">notifyEnter</a></b>(&nbsp;<code>Ext.dd.DragSource&nbsp;source</code>,&nbsp;<code>Event&nbsp;e</code>,&nbsp;<code>Object&nbsp;data</code>&nbsp;)
     :
-                                        String<div class="mdesc"><div class="short">The function a Ext.dd.DragSource calls once to notify this drop target that the source is now over the&#13;
-target.  This...</div><div class="long">The function a <a href="output/Ext.dd.DragSource.html" ext:cls="Ext.dd.DragSource">Ext.dd.DragSource</a> calls once to notify this drop target that the source is now over the\r
-target.  This default implementation adds the CSS class specified by overClass (if any) to the drop element\r
-and returns the dropAllowed config value.  This method should be overridden if drop validation is required.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>source</code> : Ext.dd.DragSource<div class="sub-desc">The drag source that was dragged over this drop target</div></li><li><code>e</code> : Event<div class="sub-desc">The event</div></li><li><code>data</code> : Object<div class="sub-desc">An object containing arbitrary data supplied by the drag source</div></li></ul><strong>Returns:</strong><ul><li><code>String</code><div class="sub-desc">status The CSS class that communicates the drop status back to the source so that the&#13;
+                                        String<div class="mdesc"><div class="short">The function a Ext.dd.DragSource calls once to notify this drop target that the source is now over the
+target.  This ...</div><div class="long">The function a <a href="output/Ext.dd.DragSource.html" ext:cls="Ext.dd.DragSource">Ext.dd.DragSource</a> calls once to notify this drop target that the source is now over the
+target.  This default implementation adds the CSS class specified by overClass (if any) to the drop element
+and returns the dropAllowed config value.  This method should be overridden if drop validation is required.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>source</code> : Ext.dd.DragSource<div class="sub-desc">The drag source that was dragged over this drop target</div></li><li><code>e</code> : Event<div class="sub-desc">The event</div></li><li><code>data</code> : Object<div class="sub-desc">An object containing arbitrary data supplied by the drag source</div></li></ul><strong>Returns:</strong><ul><li><code>String</code><div class="sub-desc">status The CSS class that communicates the drop status back to the source so that the
 underlying {@link Ext.dd.StatusProxy} can be updated</div></li></ul></div></div></div></td><td class="msource">DropTarget</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.dd.DropTarget-notifyOut"></a><b><a href="source/DropTarget.html#method-Ext.dd.DropTarget-notifyOut">notifyOut</a></b>(&nbsp;<code>Ext.dd.DragSource&nbsp;source</code>,&nbsp;<code>Event&nbsp;e</code>,&nbsp;<code>Object&nbsp;data</code>&nbsp;)
     :
-                                        void<div class="mdesc"><div class="short">The function a Ext.dd.DragSource calls once to notify this drop target that the source has been dragged&#13;
-out of the t...</div><div class="long">The function a <a href="output/Ext.dd.DragSource.html" ext:cls="Ext.dd.DragSource">Ext.dd.DragSource</a> calls once to notify this drop target that the source has been dragged\r
-out of the target without dropping.  This default implementation simply removes the CSS class specified by\r
+                                        void<div class="mdesc"><div class="short">The function a Ext.dd.DragSource calls once to notify this drop target that the source has been dragged
+out of the ta...</div><div class="long">The function a <a href="output/Ext.dd.DragSource.html" ext:cls="Ext.dd.DragSource">Ext.dd.DragSource</a> calls once to notify this drop target that the source has been dragged
+out of the target without dropping.  This default implementation simply removes the CSS class specified by
 overClass (if any) from the drop element.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>source</code> : Ext.dd.DragSource<div class="sub-desc">The drag source that was dragged over this drop target</div></li><li><code>e</code> : Event<div class="sub-desc">The event</div></li><li><code>data</code> : Object<div class="sub-desc">An object containing arbitrary data supplied by the drag source</div></li></ul><strong>Returns:</strong><ul><li>void</li></ul></div></div></div></td><td class="msource">DropTarget</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.dd.DropTarget-notifyOver"></a><b><a href="source/DropTarget.html#method-Ext.dd.DropTarget-notifyOver">notifyOver</a></b>(&nbsp;<code>Ext.dd.DragSource&nbsp;source</code>,&nbsp;<code>Event&nbsp;e</code>,&nbsp;<code>Object&nbsp;data</code>&nbsp;)
     :
-                                        String<div class="mdesc"><div class="short">The function a Ext.dd.DragSource calls continuously while it is being dragged over the target.&#13;
-This method will be c...</div><div class="long">The function a <a href="output/Ext.dd.DragSource.html" ext:cls="Ext.dd.DragSource">Ext.dd.DragSource</a> calls continuously while it is being dragged over the target.\r
-This method will be called on every mouse movement while the drag source is over the drop target.\r
-This default implementation simply returns the dropAllowed config value.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>source</code> : Ext.dd.DragSource<div class="sub-desc">The drag source that was dragged over this drop target</div></li><li><code>e</code> : Event<div class="sub-desc">The event</div></li><li><code>data</code> : Object<div class="sub-desc">An object containing arbitrary data supplied by the drag source</div></li></ul><strong>Returns:</strong><ul><li><code>String</code><div class="sub-desc">status The CSS class that communicates the drop status back to the source so that the&#13;
+                                        String<div class="mdesc"><div class="short">The function a Ext.dd.DragSource calls continuously while it is being dragged over the target.
+This method will be ca...</div><div class="long">The function a <a href="output/Ext.dd.DragSource.html" ext:cls="Ext.dd.DragSource">Ext.dd.DragSource</a> calls continuously while it is being dragged over the target.
+This method will be called on every mouse movement while the drag source is over the drop target.
+This default implementation simply returns the dropAllowed config value.<div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>source</code> : Ext.dd.DragSource<div class="sub-desc">The drag source that was dragged over this drop target</div></li><li><code>e</code> : Event<div class="sub-desc">The event</div></li><li><code>data</code> : Object<div class="sub-desc">An object containing arbitrary data supplied by the drag source</div></li></ul><strong>Returns:</strong><ul><li><code>String</code><div class="sub-desc">status The CSS class that communicates the drop status back to the source so that the
 underlying {@link Ext.dd.StatusProxy} can be updated</div></li></ul></div></div></div></td><td class="msource">DropTarget</td></tr><tr class="method-row expandable inherited"><td class="micon"><a href="#expand" class="exi">&nbsp;</a></td><td class="sig"><a id="Ext.dd.DragDrop-onAvailable"></a><b><a href="source/DDCore.html#method-Ext.dd.DragDrop-onAvailable">onAvailable</a></b>()
     :
                                         void<div class="mdesc"><div class="short">Override the onAvailable method to do what is needed after the initial