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<div id=Content><div class="CClass"><div class=CTopic id=MainTopic><h1 class=CTitle><a name="mxVertexHandler"></a>mxVertexHandler</h1><div class=CBody><p>Event handler for resizing cells.&nbsp; This handler is automatically created in <a href="../view/mxGraph-js.html#mxGraph.createHandler" class=LFunction id=link39 onMouseOver="ShowTip(event, 'tt38', 'link39')" onMouseOut="HideTip('tt38')">mxGraph.createHandler</a>.</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="#mxVertexHandler" >mxVertexHandler</a></td><td class=SDescription>Event handler for resizing cells. </td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#mxVertexHandler.Functions" >Functions</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.mxVertexHandler" id=link1 onMouseOver="ShowTip(event, 'tt1', 'link1')" onMouseOut="HideTip('tt1')">mxVertexHandler</a></td><td class=SDescription>Constructs an event handler that allows to resize vertices and groups.</td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#mxVertexHandler.Variables" >Variables</a></td><td class=SDescription></td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.graph" id=link2 onMouseOver="ShowTip(event, 'tt2', 'link2')" onMouseOut="HideTip('tt2')">graph</a></td><td class=SDescription>Reference to the enclosing <a href="../view/mxGraph-js.html#mxGraph" class=LClass id=link3 onMouseOver="ShowTip(event, 'tt3', 'link3')" onMouseOut="HideTip('tt3')">mxGraph</a>.</td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxVertexHandler.state" id=link4 onMouseOver="ShowTip(event, 'tt4', 'link4')" onMouseOut="HideTip('tt4')">state</a></td><td class=SDescription>Reference to the <a href="../view/mxCellState-js.html#mxCellState" class=LClass id=link5 onMouseOver="ShowTip(event, 'tt5', 'link5')" onMouseOut="HideTip('tt5')">mxCellState</a> being modified.</td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.singleSizer" id=link6 onMouseOver="ShowTip(event, 'tt6', 'link6')" onMouseOut="HideTip('tt6')">singleSizer</a></td><td class=SDescription>Specifies if only one sizer handle at the bottom, right corner should be used. </td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxVertexHandler.index" id=link7 onMouseOver="ShowTip(event, 'tt7', 'link7')" onMouseOut="HideTip('tt7')">index</a></td><td class=SDescription>Holds the index of the current handle.</td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.allowHandleBoundsCheck" id=link8 onMouseOver="ShowTip(event, 'tt8', 'link8')" onMouseOut="HideTip('tt8')">allowHandleBoundsCheck</a></td><td class=SDescription>Specifies if the bounds of handles should be used for hit-detection in IE Default is true.</td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxVertexHandler.crisp" id=link9 onMouseOver="ShowTip(event, 'tt9', 'link9')" onMouseOut="HideTip('tt9')">crisp</a></td><td class=SDescription>Specifies if the selection bounds and handles should be rendered in crisp mode. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.handleImage" id=link10 onMouseOver="ShowTip(event, 'tt10', 'link10')" onMouseOut="HideTip('tt10')">handleImage</a></td><td class=SDescription>Optional <a href="../util/mxImage-js.html#mxImage" class=LClass id=link11 onMouseOver="ShowTip(event, 'tt11', 'link11')" onMouseOut="HideTip('tt11')">mxImage</a> to be used as handles. </td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxVertexHandler.tolerance" id=link12 onMouseOver="ShowTip(event, 'tt12', 'link12')" onMouseOut="HideTip('tt12')">tolerance</a></td><td class=SDescription>Optional tolerance for hit-detection in <a href="#mxVertexHandler.getHandleForEvent" class=LFunction id=link13 onMouseOver="ShowTip(event, 'tt13', 'link13')" onMouseOut="HideTip('tt13')">getHandleForEvent</a>. </td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#mxVertexHandler.Functions" >Functions</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.init" id=link14 onMouseOver="ShowTip(event, 'tt14', 'link14')" onMouseOut="HideTip('tt14')">init</a></td><td class=SDescription>Initializes the shapes required for this vertex handler.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxVertexHandler.getSelectionBounds" id=link15 onMouseOver="ShowTip(event, 'tt15', 'link15')" onMouseOut="HideTip('tt15')">getSelectionBounds</a></td><td class=SDescription>Returns the mxRectangle that defines the bounds of the selection border.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.createSelectionShape" id=link16 onMouseOver="ShowTip(event, 'tt16', 'link16')" onMouseOut="HideTip('tt16')">createSelectionShape</a></td><td class=SDescription>Creates the shape used to draw the selection border.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxVertexHandler.getSelectionColor" id=link17 onMouseOver="ShowTip(event, 'tt17', 'link17')" onMouseOut="HideTip('tt17')">getSelectionColor</a></td><td class=SDescription>Returns <a href="../util/mxConstants-js.html#mxConstants.VERTEX_SELECTION_COLOR" class=LVariable id=link18 onMouseOver="ShowTip(event, 'tt18', 'link18')" onMouseOut="HideTip('tt18')">mxConstants.VERTEX_SELECTION_COLOR</a>.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.getSelectionStrokeWidth" id=link19 onMouseOver="ShowTip(event, 'tt19', 'link19')" onMouseOut="HideTip('tt19')">getSelectionStrokeWidth</a></td><td class=SDescription>Returns <a href="../util/mxConstants-js.html#mxConstants.VERTEX_SELECTION_STROKEWIDTH" class=LVariable id=link20 onMouseOver="ShowTip(event, 'tt20', 'link20')" onMouseOut="HideTip('tt20')">mxConstants.VERTEX_SELECTION_STROKEWIDTH</a>.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxVertexHandler.isSelectionDashed" id=link21 onMouseOver="ShowTip(event, 'tt21', 'link21')" onMouseOut="HideTip('tt21')">isSelectionDashed</a></td><td class=SDescription>Returns &lt;mxConstants.VERTEX_SELECTION_DASHED&gt;.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.createSizer" id=link22 onMouseOver="ShowTip(event, 'tt22', 'link22')" onMouseOut="HideTip('tt22')">createSizer</a></td><td class=SDescription>Creates a sizer handle for the specified cursor and index and returns the new <a href="../shape/mxRectangleShape-js.html#mxRectangleShape" class=LClass id=link23 onMouseOver="ShowTip(event, 'tt23', 'link23')" onMouseOut="HideTip('tt23')">mxRectangleShape</a> that represents the handle.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxVertexHandler.isSizerVisible" id=link24 onMouseOver="ShowTip(event, 'tt24', 'link24')" onMouseOut="HideTip('tt24')">isSizerVisible</a></td><td class=SDescription>Returns true if the sizer for the given index is visible. </td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.createSizerShape" id=link25 onMouseOver="ShowTip(event, 'tt25', 'link25')" onMouseOut="HideTip('tt25')">createSizerShape</a></td><td class=SDescription>Creates the shape used for the sizer handle for the specified bounds and index.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxVertexHandler.createBounds" >createBounds</a></td><td class=SDescription>Helper method to create an <a href="../util/mxRectangle-js.html#mxRectangle" class=LClass id=link26 onMouseOver="ShowTip(event, 'tt26', 'link26')" onMouseOut="HideTip('tt26')">mxRectangle</a> around the given centerpoint with a width and height of 2*s or 6, if no s is given.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.getHandleForEvent" id=link27 onMouseOver="ShowTip(event, 'tt13', 'link27')" onMouseOut="HideTip('tt13')">getHandleForEvent</a></td><td class=SDescription>Returns the index of the handle for the given event. </td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxVertexHandler.mouseDown" id=link28 onMouseOver="ShowTip(event, 'tt27', 'link28')" onMouseOut="HideTip('tt27')">mouseDown</a></td><td class=SDescription>Handles the event if a handle has been clicked. </td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.start" id=link29 onMouseOver="ShowTip(event, 'tt28', 'link29')" onMouseOut="HideTip('tt28')">start</a></td><td class=SDescription>Starts the handling of the mouse gesture.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxVertexHandler.mouseMove" id=link30 onMouseOver="ShowTip(event, 'tt29', 'link30')" onMouseOut="HideTip('tt29')">mouseMove</a></td><td class=SDescription>Handles the event by updating the preview.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.mouseUp" id=link31 onMouseOver="ShowTip(event, 'tt30', 'link31')" onMouseOut="HideTip('tt30')">mouseUp</a></td><td class=SDescription>Handles the event by applying the changes to the geometry.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxVertexHandler.reset" id=link32 onMouseOver="ShowTip(event, 'tt31', 'link32')" onMouseOut="HideTip('tt31')">reset</a></td><td class=SDescription>Resets the state of this handler.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.resizeCell" id=link33 onMouseOver="ShowTip(event, 'tt32', 'link33')" onMouseOut="HideTip('tt32')">resizeCell</a></td><td class=SDescription>Uses the given vector to change the bounds of the given cell in the graph using <a href="../view/mxGraph-js.html#mxGraph.resizeCell" class=LFunction id=link34 onMouseOver="ShowTip(event, 'tt33', 'link34')" onMouseOut="HideTip('tt33')">mxGraph.resizeCell</a>.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxVertexHandler.union" id=link35 onMouseOver="ShowTip(event, 'tt34', 'link35')" onMouseOut="HideTip('tt34')">union</a></td><td class=SDescription>Returns the union of the given bounds and location for the specified handle index.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.redraw" id=link36 onMouseOver="ShowTip(event, 'tt35', 'link36')" onMouseOut="HideTip('tt35')">redraw</a></td><td class=SDescription>Redraws the handles and the preview.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxVertexHandler.drawPreview" id=link37 onMouseOver="ShowTip(event, 'tt36', 'link37')" onMouseOut="HideTip('tt36')">drawPreview</a></td><td class=SDescription>Redraws the preview.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.destroy" id=link38 onMouseOver="ShowTip(event, 'tt37', 'link38')" onMouseOut="HideTip('tt37')">destroy</a></td><td class=SDescription>Destroys the handler and all its resources and DOM nodes.</td></tr></table></div></div><!--END_ND_SUMMARY--></div></div></div>
<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.Functions"></a>Functions</h3></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.mxVertexHandler"></a>mxVertexHandler</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 mxVertexHandler(</td><td class=PParameter nowrap>state</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Constructs an event handler that allows to resize vertices and groups.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>state</td><td class=CDLDescription><a href="../view/mxCellState-js.html#mxCellState" class=LClass id=link40 onMouseOver="ShowTip(event, 'tt5', 'link40')" onMouseOut="HideTip('tt5')">mxCellState</a> of the cell to be resized.</td></tr></table></div></div></div>
<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.Variables"></a>Variables</h3></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.graph"></a>graph</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.graph</td></tr></table></blockquote><p>Reference to the enclosing <a href="../view/mxGraph-js.html#mxGraph" class=LClass id=link41 onMouseOver="ShowTip(event, 'tt3', 'link41')" onMouseOut="HideTip('tt3')">mxGraph</a>.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.state"></a>state</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.state</td></tr></table></blockquote><p>Reference to the <a href="../view/mxCellState-js.html#mxCellState" class=LClass id=link42 onMouseOver="ShowTip(event, 'tt5', 'link42')" onMouseOut="HideTip('tt5')">mxCellState</a> being modified.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.singleSizer"></a>singleSizer</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.singleSizer</td></tr></table></blockquote><p>Specifies if only one sizer handle at the bottom, right corner should be used.&nbsp; Default is false.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.index"></a>index</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.index</td></tr></table></blockquote><p>Holds the index of the current handle.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.allowHandleBoundsCheck"></a>allowHandleBoundsCheck</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.allowHandleBoundsCheck</td></tr></table></blockquote><p>Specifies if the bounds of handles should be used for hit-detection in IE Default is true.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.crisp"></a>crisp</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.crisp</td></tr></table></blockquote><p>Specifies if the selection bounds and handles should be rendered in crisp mode.&nbsp; Default is true.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.handleImage"></a>handleImage</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.handleImage</td></tr></table></blockquote><p>Optional <a href="../util/mxImage-js.html#mxImage" class=LClass id=link43 onMouseOver="ShowTip(event, 'tt11', 'link43')" onMouseOut="HideTip('tt11')">mxImage</a> to be used as handles.&nbsp; Default is null.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.tolerance"></a>tolerance</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.tolerance</td></tr></table></blockquote><p>Optional tolerance for hit-detection in <a href="#mxVertexHandler.getHandleForEvent" class=LFunction id=link44 onMouseOver="ShowTip(event, 'tt13', 'link44')" onMouseOut="HideTip('tt13')">getHandleForEvent</a>.&nbsp; Default is 0.</p></div></div></div>
<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.Functions"></a>Functions</h3></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.init"></a>init</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.init = function()</td></tr></table></blockquote><p>Initializes the shapes required for this vertex handler.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.getSelectionBounds"></a>getSelectionBounds</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>mxVertexHandler.prototype.getSelectionBounds = function(</td><td class=PParameter nowrap>state</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns the mxRectangle that defines the bounds of the selection border.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.createSelectionShape"></a>createSelectionShape</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>mxVertexHandler.prototype.createSelectionShape = function(</td><td class=PParameter nowrap>bounds</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Creates the shape used to draw the selection border.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.getSelectionColor"></a>getSelectionColor</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.getSelectionColor = function()</td></tr></table></blockquote><p>Returns <a href="../util/mxConstants-js.html#mxConstants.VERTEX_SELECTION_COLOR" class=LVariable id=link45 onMouseOver="ShowTip(event, 'tt18', 'link45')" onMouseOut="HideTip('tt18')">mxConstants.VERTEX_SELECTION_COLOR</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.getSelectionStrokeWidth"></a>getSelectionStrokeWidth</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.getSelectionStrokeWidth = function()</td></tr></table></blockquote><p>Returns <a href="../util/mxConstants-js.html#mxConstants.VERTEX_SELECTION_STROKEWIDTH" class=LVariable id=link46 onMouseOver="ShowTip(event, 'tt20', 'link46')" onMouseOut="HideTip('tt20')">mxConstants.VERTEX_SELECTION_STROKEWIDTH</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.isSelectionDashed"></a>isSelectionDashed</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.isSelectionDashed = function()</td></tr></table></blockquote><p>Returns &lt;mxConstants.VERTEX_SELECTION_DASHED&gt;.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.createSizer"></a>createSizer</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>mxVertexHandler.prototype.createSizer = function(</td><td class=PParameter nowrap>cursor,</td></tr><tr><td></td><td class=PParameter nowrap>index,</td></tr><tr><td></td><td class=PParameter nowrap>size,</td></tr><tr><td></td><td class=PParameter nowrap>fillColor</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Creates a sizer handle for the specified cursor and index and returns the new <a href="../shape/mxRectangleShape-js.html#mxRectangleShape" class=LClass id=link47 onMouseOver="ShowTip(event, 'tt23', 'link47')" onMouseOut="HideTip('tt23')">mxRectangleShape</a> that represents the handle.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.isSizerVisible"></a>isSizerVisible</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>mxVertexHandler.prototype.isSizerVisible = function(</td><td class=PParameter nowrap>index</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns true if the sizer for the given index is visible.&nbsp; This returns true for all given indices.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.createSizerShape"></a>createSizerShape</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>mxVertexHandler.prototype.createSizerShape = function(</td><td class=PParameter nowrap>bounds,</td></tr><tr><td></td><td class=PParameter nowrap>index,</td></tr><tr><td></td><td class=PParameter nowrap>fillColor</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Creates the shape used for the sizer handle for the specified bounds and index.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.createBounds"></a>createBounds</h3><div class=CBody><p>Helper method to create an <a href="../util/mxRectangle-js.html#mxRectangle" class=LClass id=link48 onMouseOver="ShowTip(event, 'tt26', 'link48')" onMouseOut="HideTip('tt26')">mxRectangle</a> around the given centerpoint with a width and height of 2*s or 6, if no s is given.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.getHandleForEvent"></a>getHandleForEvent</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>mxVertexHandler.prototype.getHandleForEvent = function(</td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns the index of the handle for the given event.&nbsp; This returns the index of the sizer from where the event originated or &lt;mxEvent.LABEL_INDEX&gt;.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.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>mxVertexHandler.prototype.mouseDown = function(</td><td class=PParameter nowrap>sender,</td></tr><tr><td></td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Handles the event if a handle has been clicked.&nbsp; By consuming the event all subsequent events of the gesture are redirected to this handler.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.start"></a>start</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>mxVertexHandler.prototype.start = 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>index</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Starts the handling of the mouse gesture.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.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>mxVertexHandler.prototype.mouseMove = function(</td><td class=PParameter nowrap>sender,</td></tr><tr><td></td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Handles the event by updating the preview.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.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>mxVertexHandler.prototype.mouseUp = function(</td><td class=PParameter nowrap>sender,</td></tr><tr><td></td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Handles the event by applying the changes to the geometry.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.reset"></a>reset</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.reset = function()</td></tr></table></blockquote><p>Resets the state of this handler.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.resizeCell"></a>resizeCell</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>mxVertexHandler.prototype.resizeCell = function(</td><td class=PParameter nowrap>cell,</td></tr><tr><td></td><td class=PParameter nowrap>dx,</td></tr><tr><td></td><td class=PParameter nowrap>dy,</td></tr><tr><td></td><td class=PParameter nowrap>index,</td></tr><tr><td></td><td class=PParameter nowrap>gridEnabled</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Uses the given vector to change the bounds of the given cell in the graph using <a href="../view/mxGraph-js.html#mxGraph.resizeCell" class=LFunction id=link49 onMouseOver="ShowTip(event, 'tt33', 'link49')" onMouseOut="HideTip('tt33')">mxGraph.resizeCell</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.union"></a>union</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>mxVertexHandler.prototype.union = function(</td><td class=PParameter nowrap>bounds,</td></tr><tr><td></td><td class=PParameter nowrap>dx,</td></tr><tr><td></td><td class=PParameter nowrap>dy,</td></tr><tr><td></td><td class=PParameter nowrap>index,</td></tr><tr><td></td><td class=PParameter nowrap>gridEnabled,</td></tr><tr><td></td><td class=PParameter nowrap>scale,</td></tr><tr><td></td><td class=PParameter nowrap>tr</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns the union of the given bounds and location for the specified handle index.</p><p>To override this to limit the size of vertex via a minWidth/-Height style, the following code can be used.</p><blockquote><pre class="prettyprint">var vertexHandlerUnion = mxVertexHandler.prototype.union;
mxVertexHandler.prototype.union = function(bounds, dx, dy, index, gridEnabled, scale, tr)
{
var result = vertexHandlerUnion.apply(this, arguments);
result.width = Math.max(result.width, mxUtils.getNumber(this.state.style, 'minWidth', 0));
result.height = Math.max(result.height, mxUtils.getNumber(this.state.style, 'minHeight', 0));
return result;
};</pre></blockquote><h4 class=CHeading>The minWidth/-Height style can then be used as follows</h4><blockquote><pre class="prettyprint">graph.insertVertex(parent, null, 'Hello,', 20, 20, 80, 30, 'minWidth=100;minHeight=100;');</pre></blockquote></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.redraw"></a>redraw</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.redraw = function()</td></tr></table></blockquote><p>Redraws the handles and the preview.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.drawPreview"></a>drawPreview</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.drawPreview = function()</td></tr></table></blockquote><p>Redraws the preview.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.destroy"></a>destroy</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.destroy = function()</td></tr></table></blockquote><p>Destroys the handler and all its resources and DOM nodes.</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 mxVertexHandler(</td><td class=PParameter nowrap>state</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Constructs an event handler that allows to resize vertices and groups.</div></div><div class=CToolTip id="tt2"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.graph</td></tr></table></blockquote>Reference to the enclosing mxGraph.</div></div><div class=CToolTip id="tt3"><div class=CClass>Extends mxEventSource to implement a graph component for the browser. </div></div><div class=CToolTip id="tt4"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.state</td></tr></table></blockquote>Reference to the mxCellState being modified.</div></div><div class=CToolTip id="tt5"><div class=CClass>Represents the current state of a cell in a given mxGraphView.</div></div><div class=CToolTip id="tt6"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.singleSizer</td></tr></table></blockquote>Specifies if only one sizer handle at the bottom, right corner should be used. </div></div><div class=CToolTip id="tt7"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.index</td></tr></table></blockquote>Holds the index of the current handle.</div></div><div class=CToolTip id="tt8"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.allowHandleBoundsCheck</td></tr></table></blockquote>Specifies if the bounds of handles should be used for hit-detection in IE Default is true.</div></div><div class=CToolTip id="tt9"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.crisp</td></tr></table></blockquote>Specifies if the selection bounds and handles should be rendered in crisp mode. </div></div><div class=CToolTip id="tt10"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.handleImage</td></tr></table></blockquote>Optional mxImage to be used as handles. </div></div><div class=CToolTip id="tt11"><div class=CClass>Encapsulates the URL, width and height of an image.</div></div><div class=CToolTip id="tt12"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.tolerance</td></tr></table></blockquote>Optional tolerance for hit-detection in getHandleForEvent. </div></div><div class=CToolTip id="tt13"><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>mxVertexHandler.prototype.getHandleForEvent = function(</td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns the index of the handle for the given event. </div></div><div class=CToolTip id="tt14"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.init = function()</td></tr></table></blockquote>Initializes the shapes required for this vertex handler.</div></div><div class=CToolTip id="tt15"><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>mxVertexHandler.prototype.getSelectionBounds = function(</td><td class=PParameter nowrap>state</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns the mxRectangle that defines the bounds of the selection border.</div></div><div class=CToolTip id="tt16"><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>mxVertexHandler.prototype.createSelectionShape = function(</td><td class=PParameter nowrap>bounds</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Creates the shape used to draw the selection border.</div></div><div class=CToolTip id="tt17"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.getSelectionColor = function()</td></tr></table></blockquote>Returns mxConstants.VERTEX_SELECTION_COLOR.</div></div><div class=CToolTip id="tt18"><div class=CVariable>Defines the color to be used for the selection border of vertices. </div></div><div class=CToolTip id="tt19"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.getSelectionStrokeWidth = function()</td></tr></table></blockquote>Returns mxConstants.VERTEX_SELECTION_STROKEWIDTH.</div></div><div class=CToolTip id="tt20"><div class=CVariable>Defines the strokewidth to be used for vertex selections. </div></div><div class=CToolTip id="tt21"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.isSelectionDashed = function()</td></tr></table></blockquote>Returns mxConstants.VERTEX_SELECTION_DASHED.</div></div><div class=CToolTip id="tt22"><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>mxVertexHandler.prototype.createSizer = function(</td><td class=PParameter nowrap>cursor,</td></tr><tr><td></td><td class=PParameter nowrap>index,</td></tr><tr><td></td><td class=PParameter nowrap>size,</td></tr><tr><td></td><td class=PParameter nowrap>fillColor</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Creates a sizer handle for the specified cursor and index and returns the new mxRectangleShape that represents the handle.</div></div><div class=CToolTip id="tt23"><div class=CClass>Extends mxShape to implement a rectangle shape. </div></div><div class=CToolTip id="tt24"><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>mxVertexHandler.prototype.isSizerVisible = function(</td><td class=PParameter nowrap>index</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns true if the sizer for the given index is visible. </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>mxVertexHandler.prototype.createSizerShape = function(</td><td class=PParameter nowrap>bounds,</td></tr><tr><td></td><td class=PParameter nowrap>index,</td></tr><tr><td></td><td class=PParameter nowrap>fillColor</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Creates the shape used for the sizer handle for the specified bounds and index.</div></div><div class=CToolTip id="tt26"><div class=CClass>Extends mxPoint to implement a 2-dimensional rectangle with double precision coordinates.</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>mxVertexHandler.prototype.mouseDown = function(</td><td class=PParameter nowrap>sender,</td></tr><tr><td></td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Handles the event if a handle has been clicked. </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>mxVertexHandler.prototype.start = 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>index</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Starts the handling of the mouse gesture.</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>mxVertexHandler.prototype.mouseMove = function(</td><td class=PParameter nowrap>sender,</td></tr><tr><td></td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Handles the event by updating the preview.</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>mxVertexHandler.prototype.mouseUp = function(</td><td class=PParameter nowrap>sender,</td></tr><tr><td></td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Handles the event by applying the changes to the geometry.</div></div><div class=CToolTip id="tt31"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.reset = function()</td></tr></table></blockquote>Resets the state of this handler.</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>mxVertexHandler.prototype.resizeCell = function(</td><td class=PParameter nowrap>cell,</td></tr><tr><td></td><td class=PParameter nowrap>dx,</td></tr><tr><td></td><td class=PParameter nowrap>dy,</td></tr><tr><td></td><td class=PParameter nowrap>index,</td></tr><tr><td></td><td class=PParameter nowrap>gridEnabled</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Uses the given vector to change the bounds of the given cell in the graph using mxGraph.resizeCell.</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>mxGraph.prototype.resizeCell = function(</td><td class=PParameter nowrap>cell,</td></tr><tr><td></td><td class=PParameter nowrap>bounds</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Sets the bounds of the given cell using resizeCells. </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>mxVertexHandler.prototype.union = function(</td><td class=PParameter nowrap>bounds,</td></tr><tr><td></td><td class=PParameter nowrap>dx,</td></tr><tr><td></td><td class=PParameter nowrap>dy,</td></tr><tr><td></td><td class=PParameter nowrap>index,</td></tr><tr><td></td><td class=PParameter nowrap>gridEnabled,</td></tr><tr><td></td><td class=PParameter nowrap>scale,</td></tr><tr><td></td><td class=PParameter nowrap>tr</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns the union of the given bounds and location for the specified handle index.</div></div><div class=CToolTip id="tt35"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.redraw = function()</td></tr></table></blockquote>Redraws the handles and the preview.</div></div><div class=CToolTip id="tt36"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.drawPreview = function()</td></tr></table></blockquote>Redraws the preview.</div></div><div class=CToolTip id="tt37"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.destroy = function()</td></tr></table></blockquote>Destroys the handler and all its resources and DOM nodes.</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>mxGraph.prototype.createHandler = function(</td><td class=PParameter nowrap>state</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Creates a new handler for the given cell state. </div></div><!--END_ND_TOOLTIPS-->
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