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<div id=Content><div class="CClass"><div class=CTopic id=MainTopic><h1 class=CTitle><a name="mxDragSource"></a>mxDragSource</h1><div class=CBody><p>Wrapper to create a drag source from a DOM element so that the element can be dragged over a graph and dropped into the graph as a new cell.</p><p>Problem is that in the dropHandler the current preview location is not available, so the preview and the dropHandler must match.</p><!--START_ND_SUMMARY--><div class=Summary><div class=STitle>Summary</div><div class=SBorder><table border=0 cellspacing=0 cellpadding=0 class=STable><tr class="SMain"><td class=SEntry><a href="#mxDragSource" >mxDragSource</a></td><td class=SDescription>Wrapper to create a drag source from a DOM element so that the element can be dragged over a graph and dropped into the graph as a new cell.</td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#mxDragSource.Functions" >Functions</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxDragSource.mxDragSource" id=link1 onMouseOver="ShowTip(event, 'tt1', 'link1')" onMouseOut="HideTip('tt1')">mxDragSource</a></td><td class=SDescription>Constructs a new drag source for the given element.</td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#mxDragSource.Variables" >Variables</a></td><td class=SDescription></td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxDragSource.element" id=link2 onMouseOver="ShowTip(event, 'tt2', 'link2')" onMouseOut="HideTip('tt2')">element</a></td><td class=SDescription>Reference to the DOM node which was made draggable.</td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxDragSource.dropHandler" id=link3 onMouseOver="ShowTip(event, 'tt3', 'link3')" onMouseOut="HideTip('tt3')">dropHandler</a></td><td class=SDescription>Holds the DOM node that is used to represent the drag preview. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxDragSource.dragOffset" id=link4 onMouseOver="ShowTip(event, 'tt4', 'link4')" onMouseOut="HideTip('tt4')">dragOffset</a></td><td class=SDescription><a href="mxPoint-js.html#mxPoint" class=LClass id=link5 onMouseOver="ShowTip(event, 'tt5', 'link5')" onMouseOut="HideTip('tt5')">mxPoint</a> that specifies the offset of the <a href="#mxDragSource.dragElement" class=LVariable id=link6 onMouseOver="ShowTip(event, 'tt6', 'link6')" onMouseOut="HideTip('tt6')">dragElement</a>. </td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxDragSource.dragElement" id=link7 onMouseOver="ShowTip(event, 'tt6', 'link7')" onMouseOut="HideTip('tt6')">dragElement</a></td><td class=SDescription>Holds the DOM node that is used to represent the drag preview. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxDragSource.previewElement" id=link8 onMouseOver="ShowTip(event, 'tt7', 'link8')" onMouseOut="HideTip('tt7')">previewElement</a></td><td class=SDescription>Optional <a href="mxRectangle-js.html#mxRectangle" class=LClass id=link9 onMouseOver="ShowTip(event, 'tt8', 'link9')" onMouseOut="HideTip('tt8')">mxRectangle</a> that specifies the unscaled size of the preview.</td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxDragSource.enabled" id=link10 onMouseOver="ShowTip(event, 'tt9', 'link10')" onMouseOut="HideTip('tt9')">enabled</a></td><td class=SDescription>Specifies if this drag source is enabled. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxDragSource.currentGraph" id=link11 onMouseOver="ShowTip(event, 'tt10', 'link11')" onMouseOut="HideTip('tt10')">currentGraph</a></td><td class=SDescription>Reference to the <a href="../view/mxGraph-js.html#mxGraph" class=LClass id=link12 onMouseOver="ShowTip(event, 'tt11', 'link12')" onMouseOut="HideTip('tt11')">mxGraph</a> that is the current drop target.</td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxDragSource.currentDropTarget" id=link13 onMouseOver="ShowTip(event, 'tt12', 'link13')" onMouseOut="HideTip('tt12')">currentDropTarget</a></td><td class=SDescription>Holds the current drop target under the mouse.</td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxDragSource.currentPoint" id=link14 onMouseOver="ShowTip(event, 'tt13', 'link14')" onMouseOut="HideTip('tt13')">currentPoint</a></td><td class=SDescription>Holds the current drop location.</td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxDragSource.currentGuide" id=link15 onMouseOver="ShowTip(event, 'tt14', 'link15')" onMouseOut="HideTip('tt14')">currentGuide</a></td><td class=SDescription>Holds an <a href="mxGuide-js.html#mxGuide" class=LClass id=link16 onMouseOver="ShowTip(event, 'tt15', 'link16')" onMouseOut="HideTip('tt15')">mxGuide</a> for the <a href="#mxDragSource.currentGraph" class=LVariable id=link17 onMouseOver="ShowTip(event, 'tt10', 'link17')" onMouseOut="HideTip('tt10')">currentGraph</a> if &lt;dragPreview&gt; is not null.</td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxDragSource.currentGuide" >currentGuide</a></td><td class=SDescription>Holds an <a href="mxGuide-js.html#mxGuide" class=LClass id=link18 onMouseOver="ShowTip(event, 'tt15', 'link18')" onMouseOut="HideTip('tt15')">mxGuide</a> for the <a href="#mxDragSource.currentGraph" class=LVariable id=link19 onMouseOver="ShowTip(event, 'tt10', 'link19')" onMouseOut="HideTip('tt10')">currentGraph</a> if &lt;dragPreview&gt; is not null.</td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxDragSource.autoscroll" id=link20 onMouseOver="ShowTip(event, 'tt16', 'link20')" onMouseOut="HideTip('tt16')">autoscroll</a></td><td class=SDescription>Specifies if the graph should scroll automatically. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxDragSource.guidesEnabled" id=link21 onMouseOver="ShowTip(event, 'tt17', 'link21')" onMouseOut="HideTip('tt17')">guidesEnabled</a></td><td class=SDescription>Specifies if <a href="mxGuide-js.html#mxGuide" class=LClass id=link22 onMouseOver="ShowTip(event, 'tt15', 'link22')" onMouseOut="HideTip('tt15')">mxGuide</a> should be enabled. </td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxDragSource.gridEnabled" id=link23 onMouseOver="ShowTip(event, 'tt18', 'link23')" onMouseOut="HideTip('tt18')">gridEnabled</a></td><td class=SDescription>Specifies if the grid should be allowed. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxDragSource.highlightDropTargets" id=link24 onMouseOver="ShowTip(event, 'tt19', 'link24')" onMouseOut="HideTip('tt19')">highlightDropTargets</a></td><td class=SDescription>Specifies if drop targets should be highlighted. </td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxDragSource.dragElementZIndex" id=link25 onMouseOver="ShowTip(event, 'tt20', 'link25')" onMouseOut="HideTip('tt20')">dragElementZIndex</a></td><td class=SDescription>ZIndex for the drag element. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxDragSource.dragElementOpacity" id=link26 onMouseOver="ShowTip(event, 'tt21', 'link26')" onMouseOut="HideTip('tt21')">dragElementOpacity</a></td><td class=SDescription>Opacity of the drag element in %. </td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#mxDragSource.Functions" >Functions</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxDragSource.isEnabled" id=link27 onMouseOver="ShowTip(event, 'tt22', 'link27')" onMouseOut="HideTip('tt22')">isEnabled</a></td><td class=SDescription>Returns <a href="#mxDragSource.enabled" class=LVariable id=link28 onMouseOver="ShowTip(event, 'tt9', 'link28')" onMouseOut="HideTip('tt9')">enabled</a>.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxDragSource.setEnabled" id=link29 onMouseOver="ShowTip(event, 'tt23', 'link29')" onMouseOut="HideTip('tt23')">setEnabled</a></td><td class=SDescription>Sets <a href="#mxDragSource.enabled" class=LVariable id=link30 onMouseOver="ShowTip(event, 'tt9', 'link30')" onMouseOut="HideTip('tt9')">enabled</a>.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxDragSource.isGuidesEnabled" id=link31 onMouseOver="ShowTip(event, 'tt24', 'link31')" onMouseOut="HideTip('tt24')">isGuidesEnabled</a></td><td class=SDescription>Returns <a href="#mxDragSource.guidesEnabled" class=LVariable id=link32 onMouseOver="ShowTip(event, 'tt17', 'link32')" onMouseOut="HideTip('tt17')">guidesEnabled</a>.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxDragSource.setGuidesEnabled" id=link33 onMouseOver="ShowTip(event, 'tt25', 'link33')" onMouseOut="HideTip('tt25')">setGuidesEnabled</a></td><td class=SDescription>Sets <a href="#mxDragSource.guidesEnabled" class=LVariable id=link34 onMouseOver="ShowTip(event, 'tt17', 'link34')" onMouseOut="HideTip('tt17')">guidesEnabled</a>.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxDragSource.isGridEnabled" id=link35 onMouseOver="ShowTip(event, 'tt26', 'link35')" onMouseOut="HideTip('tt26')">isGridEnabled</a></td><td class=SDescription>Returns <a href="#mxDragSource.gridEnabled" class=LVariable id=link36 onMouseOver="ShowTip(event, 'tt18', 'link36')" onMouseOut="HideTip('tt18')">gridEnabled</a>.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxDragSource.setGridEnabled" id=link37 onMouseOver="ShowTip(event, 'tt27', 'link37')" onMouseOut="HideTip('tt27')">setGridEnabled</a></td><td class=SDescription>Sets <a href="#mxDragSource.gridEnabled" class=LVariable id=link38 onMouseOver="ShowTip(event, 'tt18', 'link38')" onMouseOut="HideTip('tt18')">gridEnabled</a>.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxDragSource.getGraphForEvent" id=link39 onMouseOver="ShowTip(event, 'tt28', 'link39')" onMouseOut="HideTip('tt28')">getGraphForEvent</a></td><td class=SDescription>Returns the graph for the given mouse event. </td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxDragSource.getDropTarget" id=link40 onMouseOver="ShowTip(event, 'tt29', 'link40')" onMouseOut="HideTip('tt29')">getDropTarget</a></td><td class=SDescription>Returns the drop target for the given graph and coordinates. </td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxDragSource.createDragElement" id=link41 onMouseOver="ShowTip(event, 'tt30', 'link41')" onMouseOut="HideTip('tt30')">createDragElement</a></td><td class=SDescription>Creates and returns a clone of the &lt;dragElementPrototype&gt; or the <a href="#mxDragSource.element" class=LVariable id=link42 onMouseOver="ShowTip(event, 'tt2', 'link42')" onMouseOut="HideTip('tt2')">element</a> if the former is not defined.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxDragSource.createPreviewElement" id=link43 onMouseOver="ShowTip(event, 'tt31', 'link43')" onMouseOut="HideTip('tt31')">createPreviewElement</a></td><td class=SDescription>Creates and returns an element which can be used as a preview in the given graph.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxDragSource.mouseDown" id=link44 onMouseOver="ShowTip(event, 'tt32', 'link44')" onMouseOut="HideTip('tt32')">mouseDown</a></td><td class=SDescription>Returns the drop target for the given graph and coordinates. </td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxDragSource.startDrag" id=link45 onMouseOver="ShowTip(event, 'tt33', 'link45')" onMouseOut="HideTip('tt33')">startDrag</a></td><td class=SDescription>Creates the <a href="#mxDragSource.dragElement" class=LVariable id=link46 onMouseOver="ShowTip(event, 'tt6', 'link46')" onMouseOut="HideTip('tt6')">dragElement</a> using <a href="#mxDragSource.createDragElement" class=LFunction id=link47 onMouseOver="ShowTip(event, 'tt30', 'link47')" onMouseOut="HideTip('tt30')">createDragElement</a>.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxDragSource.stopDrag" id=link48 onMouseOver="ShowTip(event, 'tt34', 'link48')" onMouseOut="HideTip('tt34')">stopDrag</a></td><td class=SDescription>Removes and destroys the <a href="#mxDragSource.dragElement" class=LVariable id=link49 onMouseOver="ShowTip(event, 'tt6', 'link49')" onMouseOut="HideTip('tt6')">dragElement</a>.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxDragSource.graphContainsEvent" id=link50 onMouseOver="ShowTip(event, 'tt35', 'link50')" onMouseOut="HideTip('tt35')">graphContainsEvent</a></td><td class=SDescription>Returns true if the given graph contains the given event.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxDragSource.mouseMove" id=link51 onMouseOver="ShowTip(event, 'tt36', 'link51')" onMouseOut="HideTip('tt36')">mouseMove</a></td><td class=SDescription>Gets the graph for the given event using <a href="#mxDragSource.getGraphForEvent" class=LFunction id=link52 onMouseOver="ShowTip(event, 'tt28', 'link52')" onMouseOut="HideTip('tt28')">getGraphForEvent</a>, updates the <a href="#mxDragSource.currentGraph" class=LVariable id=link53 onMouseOver="ShowTip(event, 'tt10', 'link53')" onMouseOut="HideTip('tt10')">currentGraph</a>, calling <a href="#mxDragSource.dragEnter" class=LFunction id=link54 onMouseOver="ShowTip(event, 'tt37', 'link54')" onMouseOut="HideTip('tt37')">dragEnter</a> and <a href="#mxDragSource.dragExit" class=LFunction id=link55 onMouseOver="ShowTip(event, 'tt38', 'link55')" onMouseOut="HideTip('tt38')">dragExit</a> on the new and old graph, respectively, and invokes <a href="#mxDragSource.dragOver" class=LFunction id=link56 onMouseOver="ShowTip(event, 'tt39', 'link56')" onMouseOut="HideTip('tt39')">dragOver</a> if <a href="#mxDragSource.currentGraph" class=LVariable id=link57 onMouseOver="ShowTip(event, 'tt10', 'link57')" onMouseOut="HideTip('tt10')">currentGraph</a> is not null.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxDragSource.mouseUp" id=link58 onMouseOver="ShowTip(event, 'tt40', 'link58')" onMouseOut="HideTip('tt40')">mouseUp</a></td><td class=SDescription>Processes the mouse up event and invokes <a href="#mxDragSource.drop" class=LFunction id=link59 onMouseOver="ShowTip(event, 'tt41', 'link59')" onMouseOut="HideTip('tt41')">drop</a>, <a href="#mxDragSource.dragExit" class=LFunction id=link60 onMouseOver="ShowTip(event, 'tt38', 'link60')" onMouseOut="HideTip('tt38')">dragExit</a> and <a href="#mxDragSource.stopDrag" class=LFunction id=link61 onMouseOver="ShowTip(event, 'tt34', 'link61')" onMouseOut="HideTip('tt34')">stopDrag</a> as required.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxDragSource.dragEnter" id=link62 onMouseOver="ShowTip(event, 'tt37', 'link62')" onMouseOut="HideTip('tt37')">dragEnter</a></td><td class=SDescription>Actives the given graph as a drop target.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxDragSource.dragExit" id=link63 onMouseOver="ShowTip(event, 'tt38', 'link63')" onMouseOut="HideTip('tt38')">dragExit</a></td><td class=SDescription>Deactivates the given graph as a drop target.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxDragSource.dragOver" id=link64 onMouseOver="ShowTip(event, 'tt39', 'link64')" onMouseOut="HideTip('tt39')">dragOver</a></td><td class=SDescription>Implements autoscroll, updates the <a href="#mxDragSource.currentPoint" class=LVariable id=link65 onMouseOver="ShowTip(event, 'tt13', 'link65')" onMouseOut="HideTip('tt13')">currentPoint</a>, highlights any drop targets and updates the preview.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxDragSource.drop" id=link66 onMouseOver="ShowTip(event, 'tt41', 'link66')" onMouseOut="HideTip('tt41')">drop</a></td><td class=SDescription>Returns the drop target for the given graph and coordinates. </td></tr></table></div></div><!--END_ND_SUMMARY--></div></div></div>
<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.Functions"></a>Functions</h3></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.mxDragSource"></a>mxDragSource</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>function mxDragSource(</td><td class=PParameter nowrap>element,</td></tr><tr><td></td><td class=PParameter nowrap>dropHandler</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Constructs a new drag source for the given element.</p></div></div></div>
<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.Variables"></a>Variables</h3></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.element"></a>element</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.element</td></tr></table></blockquote><p>Reference to the DOM node which was made draggable.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.dropHandler"></a>dropHandler</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.dropHandler</td></tr></table></blockquote><p>Holds the DOM node that is used to represent the drag preview.&nbsp; If this is null then the source element will be cloned and used for the drag preview.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.dragOffset"></a>dragOffset</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.dragOffset</td></tr></table></blockquote><p><a href="mxPoint-js.html#mxPoint" class=LClass id=link67 onMouseOver="ShowTip(event, 'tt5', 'link67')" onMouseOut="HideTip('tt5')">mxPoint</a> that specifies the offset of the <a href="#mxDragSource.dragElement" class=LVariable id=link68 onMouseOver="ShowTip(event, 'tt6', 'link68')" onMouseOut="HideTip('tt6')">dragElement</a>.&nbsp; Default is null.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.dragElement"></a>dragElement</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.dragElement</td></tr></table></blockquote><p>Holds the DOM node that is used to represent the drag preview.&nbsp; If this is null then the source element will be cloned and used for the drag preview.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.previewElement"></a>previewElement</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.previewElement</td></tr></table></blockquote><p>Optional <a href="mxRectangle-js.html#mxRectangle" class=LClass id=link69 onMouseOver="ShowTip(event, 'tt8', 'link69')" onMouseOut="HideTip('tt8')">mxRectangle</a> that specifies the unscaled size of the preview.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.enabled"></a>enabled</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.enabled</td></tr></table></blockquote><p>Specifies if this drag source is enabled.&nbsp; Default is true.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.currentGraph"></a>currentGraph</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.currentGraph</td></tr></table></blockquote><p>Reference to the <a href="../view/mxGraph-js.html#mxGraph" class=LClass id=link70 onMouseOver="ShowTip(event, 'tt11', 'link70')" onMouseOut="HideTip('tt11')">mxGraph</a> that is the current drop target.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.currentDropTarget"></a>currentDropTarget</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.currentDropTarget</td></tr></table></blockquote><p>Holds the current drop target under the mouse.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.currentPoint"></a>currentPoint</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.currentPoint</td></tr></table></blockquote><p>Holds the current drop location.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.currentGuide"></a>currentGuide</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.currentGuide</td></tr></table></blockquote><p>Holds an <a href="mxGuide-js.html#mxGuide" class=LClass id=link71 onMouseOver="ShowTip(event, 'tt15', 'link71')" onMouseOut="HideTip('tt15')">mxGuide</a> for the <a href="#mxDragSource.currentGraph" class=LVariable id=link72 onMouseOver="ShowTip(event, 'tt10', 'link72')" onMouseOut="HideTip('tt10')">currentGraph</a> if &lt;dragPreview&gt; is not null.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.currentGuide"></a>currentGuide</h3><div class=CBody><p>Holds an <a href="mxGuide-js.html#mxGuide" class=LClass id=link73 onMouseOver="ShowTip(event, 'tt15', 'link73')" onMouseOut="HideTip('tt15')">mxGuide</a> for the <a href="#mxDragSource.currentGraph" class=LVariable id=link74 onMouseOver="ShowTip(event, 'tt10', 'link74')" onMouseOut="HideTip('tt10')">currentGraph</a> if &lt;dragPreview&gt; is not null.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.autoscroll"></a>autoscroll</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.autoscroll</td></tr></table></blockquote><p>Specifies if the graph should scroll automatically.&nbsp; Default is true.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.guidesEnabled"></a>guidesEnabled</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.guidesEnabled</td></tr></table></blockquote><p>Specifies if <a href="mxGuide-js.html#mxGuide" class=LClass id=link75 onMouseOver="ShowTip(event, 'tt15', 'link75')" onMouseOut="HideTip('tt15')">mxGuide</a> should be enabled.&nbsp; Default is true.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.gridEnabled"></a>gridEnabled</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.gridEnabled</td></tr></table></blockquote><p>Specifies if the grid should be allowed.&nbsp; Default is true.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.highlightDropTargets"></a>highlightDropTargets</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.highlightDropTargets</td></tr></table></blockquote><p>Specifies if drop targets should be highlighted.&nbsp; Default is true.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.dragElementZIndex"></a>dragElementZIndex</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.dragElementZIndex</td></tr></table></blockquote><p>ZIndex for the drag element.&nbsp; Default is 100.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.dragElementOpacity"></a>dragElementOpacity</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.dragElementOpacity</td></tr></table></blockquote><p>Opacity of the drag element in %.&nbsp; Default is 70.</p></div></div></div>
<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.Functions"></a>Functions</h3></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.isEnabled"></a>isEnabled</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.isEnabled = function()</td></tr></table></blockquote><p>Returns <a href="#mxDragSource.enabled" class=LVariable id=link76 onMouseOver="ShowTip(event, 'tt9', 'link76')" onMouseOut="HideTip('tt9')">enabled</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.setEnabled"></a>setEnabled</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.setEnabled = function(</td><td class=PParameter nowrap>value</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Sets <a href="#mxDragSource.enabled" class=LVariable id=link77 onMouseOver="ShowTip(event, 'tt9', 'link77')" onMouseOut="HideTip('tt9')">enabled</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.isGuidesEnabled"></a>isGuidesEnabled</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.isGuidesEnabled = function()</td></tr></table></blockquote><p>Returns <a href="#mxDragSource.guidesEnabled" class=LVariable id=link78 onMouseOver="ShowTip(event, 'tt17', 'link78')" onMouseOut="HideTip('tt17')">guidesEnabled</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.setGuidesEnabled"></a>setGuidesEnabled</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.setGuidesEnabled = function(</td><td class=PParameter nowrap>value</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Sets <a href="#mxDragSource.guidesEnabled" class=LVariable id=link79 onMouseOver="ShowTip(event, 'tt17', 'link79')" onMouseOut="HideTip('tt17')">guidesEnabled</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.isGridEnabled"></a>isGridEnabled</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.isGridEnabled = function()</td></tr></table></blockquote><p>Returns <a href="#mxDragSource.gridEnabled" class=LVariable id=link80 onMouseOver="ShowTip(event, 'tt18', 'link80')" onMouseOut="HideTip('tt18')">gridEnabled</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.setGridEnabled"></a>setGridEnabled</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.setGridEnabled = function(</td><td class=PParameter nowrap>value</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Sets <a href="#mxDragSource.gridEnabled" class=LVariable id=link81 onMouseOver="ShowTip(event, 'tt18', 'link81')" onMouseOut="HideTip('tt18')">gridEnabled</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.getGraphForEvent"></a>getGraphForEvent</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.getGraphForEvent = function(</td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns the graph for the given mouse event.&nbsp; This implementation returns null.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.getDropTarget"></a>getDropTarget</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.getDropTarget = function(</td><td class=PParameter nowrap>graph,</td></tr><tr><td></td><td class=PParameter nowrap>x,</td></tr><tr><td></td><td class=PParameter nowrap>y</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns the drop target for the given graph and coordinates.&nbsp; This implementation uses <a href="../view/mxGraph-js.html#mxGraph.getCellAt" class=LFunction id=link82 onMouseOver="ShowTip(event, 'tt42', 'link82')" onMouseOut="HideTip('tt42')">mxGraph.getCellAt</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.createDragElement"></a>createDragElement</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.createDragElement = function(</td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Creates and returns a clone of the &lt;dragElementPrototype&gt; or the <a href="#mxDragSource.element" class=LVariable id=link83 onMouseOver="ShowTip(event, 'tt2', 'link83')" onMouseOut="HideTip('tt2')">element</a> if the former is not defined.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.createPreviewElement"></a>createPreviewElement</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.createPreviewElement = function(</td><td class=PParameter nowrap>graph</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Creates and returns an element which can be used as a preview in the given graph.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.mouseDown"></a>mouseDown</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.mouseDown = function(</td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns the drop target for the given graph and coordinates.&nbsp; This implementation uses <a href="../view/mxGraph-js.html#mxGraph.getCellAt" class=LFunction id=link84 onMouseOver="ShowTip(event, 'tt42', 'link84')" onMouseOut="HideTip('tt42')">mxGraph.getCellAt</a>.</p><p>To ignore popup menu events for a drag source, this function can be overridden as follows.</p><blockquote><pre class="prettyprint">var mouseDown = dragSource.mouseDown;
dragSource.mouseDown = function(evt)
{
if (!mxEvent.isPopupTrigger(evt))
{
mouseDown.apply(this, arguments);
}
};</pre></blockquote></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.startDrag"></a>startDrag</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.startDrag = function(</td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Creates the <a href="#mxDragSource.dragElement" class=LVariable id=link85 onMouseOver="ShowTip(event, 'tt6', 'link85')" onMouseOut="HideTip('tt6')">dragElement</a> using <a href="#mxDragSource.createDragElement" class=LFunction id=link86 onMouseOver="ShowTip(event, 'tt30', 'link86')" onMouseOut="HideTip('tt30')">createDragElement</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.stopDrag"></a>stopDrag</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.stopDrag = function(</td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Removes and destroys the <a href="#mxDragSource.dragElement" class=LVariable id=link87 onMouseOver="ShowTip(event, 'tt6', 'link87')" onMouseOut="HideTip('tt6')">dragElement</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.graphContainsEvent"></a>graphContainsEvent</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.graphContainsEvent = function(</td><td class=PParameter nowrap>graph,</td></tr><tr><td></td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns true if the given graph contains the given event.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.mouseMove"></a>mouseMove</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.mouseMove = function(</td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Gets the graph for the given event using <a href="#mxDragSource.getGraphForEvent" class=LFunction id=link88 onMouseOver="ShowTip(event, 'tt28', 'link88')" onMouseOut="HideTip('tt28')">getGraphForEvent</a>, updates the <a href="#mxDragSource.currentGraph" class=LVariable id=link89 onMouseOver="ShowTip(event, 'tt10', 'link89')" onMouseOut="HideTip('tt10')">currentGraph</a>, calling <a href="#mxDragSource.dragEnter" class=LFunction id=link90 onMouseOver="ShowTip(event, 'tt37', 'link90')" onMouseOut="HideTip('tt37')">dragEnter</a> and <a href="#mxDragSource.dragExit" class=LFunction id=link91 onMouseOver="ShowTip(event, 'tt38', 'link91')" onMouseOut="HideTip('tt38')">dragExit</a> on the new and old graph, respectively, and invokes <a href="#mxDragSource.dragOver" class=LFunction id=link92 onMouseOver="ShowTip(event, 'tt39', 'link92')" onMouseOut="HideTip('tt39')">dragOver</a> if <a href="#mxDragSource.currentGraph" class=LVariable id=link93 onMouseOver="ShowTip(event, 'tt10', 'link93')" onMouseOut="HideTip('tt10')">currentGraph</a> is not null.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.mouseUp"></a>mouseUp</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.mouseUp = function(</td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Processes the mouse up event and invokes <a href="#mxDragSource.drop" class=LFunction id=link94 onMouseOver="ShowTip(event, 'tt41', 'link94')" onMouseOut="HideTip('tt41')">drop</a>, <a href="#mxDragSource.dragExit" class=LFunction id=link95 onMouseOver="ShowTip(event, 'tt38', 'link95')" onMouseOut="HideTip('tt38')">dragExit</a> and <a href="#mxDragSource.stopDrag" class=LFunction id=link96 onMouseOver="ShowTip(event, 'tt34', 'link96')" onMouseOut="HideTip('tt34')">stopDrag</a> as required.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.dragEnter"></a>dragEnter</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.dragEnter = function(</td><td class=PParameter nowrap>graph,</td></tr><tr><td></td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Actives the given graph as a drop target.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.dragExit"></a>dragExit</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.dragExit = function(</td><td class=PParameter nowrap>graph,</td></tr><tr><td></td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Deactivates the given graph as a drop target.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.dragOver"></a>dragOver</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.dragOver = function(</td><td class=PParameter nowrap>graph,</td></tr><tr><td></td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Implements autoscroll, updates the <a href="#mxDragSource.currentPoint" class=LVariable id=link97 onMouseOver="ShowTip(event, 'tt13', 'link97')" onMouseOut="HideTip('tt13')">currentPoint</a>, highlights any drop targets and updates the preview.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxDragSource.drop"></a>drop</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.drop = function(</td><td class=PParameter nowrap>graph,</td></tr><tr><td></td><td class=PParameter nowrap>evt,</td></tr><tr><td></td><td class=PParameter nowrap>dropTarget,</td></tr><tr><td></td><td class=PParameter nowrap>x,</td></tr><tr><td></td><td class=PParameter nowrap>y</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns the drop target for the given graph and coordinates.&nbsp; This implementation uses <a href="../view/mxGraph-js.html#mxGraph.getCellAt" class=LFunction id=link98 onMouseOver="ShowTip(event, 'tt42', 'link98')" onMouseOut="HideTip('tt42')">mxGraph.getCellAt</a>.</p></div></div></div>
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<div class=CToolTip id="tt1"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>function mxDragSource(</td><td class=PParameter nowrap>element,</td></tr><tr><td></td><td class=PParameter nowrap>dropHandler</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Constructs a new drag source for the given element.</div></div><div class=CToolTip id="tt2"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.element</td></tr></table></blockquote>Reference to the DOM node which was made draggable.</div></div><div class=CToolTip id="tt3"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.dropHandler</td></tr></table></blockquote>Holds the DOM node that is used to represent the drag preview. </div></div><div class=CToolTip id="tt4"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.dragOffset</td></tr></table></blockquote>mxPoint that specifies the offset of the dragElement. </div></div><div class=CToolTip id="tt5"><div class=CClass>Implements a 2-dimensional vector with double precision coordinates.</div></div><div class=CToolTip id="tt6"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.dragElement</td></tr></table></blockquote>Holds the DOM node that is used to represent the drag preview. </div></div><div class=CToolTip id="tt7"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.previewElement</td></tr></table></blockquote>Optional mxRectangle that specifies the unscaled size of the preview.</div></div><div class=CToolTip id="tt8"><div class=CClass>Extends mxPoint to implement a 2-dimensional rectangle with double precision coordinates.</div></div><div class=CToolTip id="tt9"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.enabled</td></tr></table></blockquote>Specifies if this drag source is enabled. </div></div><div class=CToolTip id="tt10"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.currentGraph</td></tr></table></blockquote>Reference to the mxGraph that is the current drop target.</div></div><div class=CToolTip id="tt11"><div class=CClass>Extends mxEventSource to implement a graph component for the browser. </div></div><div class=CToolTip id="tt12"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.currentDropTarget</td></tr></table></blockquote>Holds the current drop target under the mouse.</div></div><div class=CToolTip id="tt13"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.currentPoint</td></tr></table></blockquote>Holds the current drop location.</div></div><div class=CToolTip id="tt14"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.currentGuide</td></tr></table></blockquote>Holds an mxGuide for the currentGraph if dragPreview is not null.</div></div><div class=CToolTip id="tt15"><div class=CClass>Implements the alignment of selection cells to other cells in the graph.</div></div><div class=CToolTip id="tt16"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.autoscroll</td></tr></table></blockquote>Specifies if the graph should scroll automatically. </div></div><div class=CToolTip id="tt17"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.guidesEnabled</td></tr></table></blockquote>Specifies if mxGuide should be enabled. </div></div><div class=CToolTip id="tt18"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.gridEnabled</td></tr></table></blockquote>Specifies if the grid should be allowed. </div></div><div class=CToolTip id="tt19"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.highlightDropTargets</td></tr></table></blockquote>Specifies if drop targets should be highlighted. </div></div><div class=CToolTip id="tt20"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.dragElementZIndex</td></tr></table></blockquote>ZIndex for the drag element. </div></div><div class=CToolTip id="tt21"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.dragElementOpacity</td></tr></table></blockquote>Opacity of the drag element in %. </div></div><div class=CToolTip id="tt22"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.isEnabled = function()</td></tr></table></blockquote>Returns enabled.</div></div><div class=CToolTip id="tt23"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.setEnabled = function(</td><td class=PParameter nowrap>value</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Sets enabled.</div></div><div class=CToolTip id="tt24"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.isGuidesEnabled = function()</td></tr></table></blockquote>Returns guidesEnabled.</div></div><div class=CToolTip id="tt25"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.setGuidesEnabled = function(</td><td class=PParameter nowrap>value</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Sets guidesEnabled.</div></div><div class=CToolTip id="tt26"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxDragSource.prototype.isGridEnabled = function()</td></tr></table></blockquote>Returns gridEnabled.</div></div><div class=CToolTip id="tt27"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.setGridEnabled = function(</td><td class=PParameter nowrap>value</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Sets gridEnabled.</div></div><div class=CToolTip id="tt28"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.getGraphForEvent = function(</td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns the graph for the given mouse event. </div></div><div class=CToolTip id="tt29"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.getDropTarget = function(</td><td class=PParameter nowrap>graph,</td></tr><tr><td></td><td class=PParameter nowrap>x,</td></tr><tr><td></td><td class=PParameter nowrap>y</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns the drop target for the given graph and coordinates. </div></div><div class=CToolTip id="tt30"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.createDragElement = function(</td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Creates and returns a clone of the dragElementPrototype or the element if the former is not defined.</div></div><div class=CToolTip id="tt31"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.createPreviewElement = function(</td><td class=PParameter nowrap>graph</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Creates and returns an element which can be used as a preview in the given graph.</div></div><div class=CToolTip id="tt32"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.mouseDown = function(</td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns the drop target for the given graph and coordinates. </div></div><div class=CToolTip id="tt33"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.startDrag = function(</td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Creates the dragElement using createDragElement.</div></div><div class=CToolTip id="tt34"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.stopDrag = function(</td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Removes and destroys the dragElement.</div></div><div class=CToolTip id="tt35"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.graphContainsEvent = function(</td><td class=PParameter nowrap>graph,</td></tr><tr><td></td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns true if the given graph contains the given event.</div></div><div class=CToolTip id="tt36"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.mouseMove = function(</td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Gets the graph for the given event using getGraphForEvent, updates the currentGraph, calling dragEnter and dragExit on the new and old graph, respectively, and invokes dragOver if currentGraph is not null.</div></div><div class=CToolTip id="tt37"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.dragEnter = function(</td><td class=PParameter nowrap>graph,</td></tr><tr><td></td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Actives the given graph as a drop target.</div></div><div class=CToolTip id="tt38"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.dragExit = function(</td><td class=PParameter nowrap>graph,</td></tr><tr><td></td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Deactivates the given graph as a drop target.</div></div><div class=CToolTip id="tt39"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.dragOver = function(</td><td class=PParameter nowrap>graph,</td></tr><tr><td></td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Implements autoscroll, updates the currentPoint, highlights any drop targets and updates the preview.</div></div><div class=CToolTip id="tt40"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.mouseUp = function(</td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Processes the mouse up event and invokes drop, dragExit and stopDrag as required.</div></div><div class=CToolTip id="tt41"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxDragSource.prototype.drop = function(</td><td class=PParameter nowrap>graph,</td></tr><tr><td></td><td class=PParameter nowrap>evt,</td></tr><tr><td></td><td class=PParameter nowrap>dropTarget,</td></tr><tr><td></td><td class=PParameter nowrap>x,</td></tr><tr><td></td><td class=PParameter nowrap>y</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns the drop target for the given graph and coordinates. </div></div><div class=CToolTip id="tt42"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxGraph.prototype.getCellAt = function(</td><td class=PParameter nowrap>x,</td></tr><tr><td></td><td class=PParameter nowrap>y,</td></tr><tr><td></td><td class=PParameter nowrap>parent,</td></tr><tr><td></td><td class=PParameter nowrap>vertices,</td></tr><tr><td></td><td class=PParameter nowrap>edges</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns the bottom-most cell that intersects the given point (x, y) in the cell hierarchy starting at the given parent. </div></div><!--END_ND_TOOLTIPS-->
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