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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=link74 onMouseOver="ShowTip(event, 'tt69', 'link74')" onMouseOut="HideTip('tt69')">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 or if <a href="#mxVertexHandler.tolerance" class=LVariable id=link9 onMouseOver="ShowTip(event, 'tt9', 'link9')" onMouseOut="HideTip('tt9')">tolerance</a> &gt; 0. </td></tr><tr class="SVariable SIndent2"><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 SMarked"><td class=SEntry><a href="#mxVertexHandler.tolerance" id=link12 onMouseOver="ShowTip(event, 'tt9', 'link12')" onMouseOut="HideTip('tt9')">tolerance</a></td><td class=SDescription>Optional tolerance for hit-detection in <a href="#mxVertexHandler.getHandleForEvent" class=LFunction id=link13 onMouseOver="ShowTip(event, 'tt12', 'link13')" onMouseOut="HideTip('tt12')">getHandleForEvent</a>. </td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxVertexHandler.rotationEnabled" id=link14 onMouseOver="ShowTip(event, 'tt13', 'link14')" onMouseOut="HideTip('tt13')">rotationEnabled</a></td><td class=SDescription>Specifies if a rotation handle should be visible. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.parentHighlightEnabled" id=link15 onMouseOver="ShowTip(event, 'tt14', 'link15')" onMouseOut="HideTip('tt14')">parentHighlightEnabled</a></td><td class=SDescription>Specifies if the parent should be highlighted if a child cell is selected. </td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxVertexHandler.rotationRaster" id=link16 onMouseOver="ShowTip(event, 'tt15', 'link16')" onMouseOut="HideTip('tt15')">rotationRaster</a></td><td class=SDescription>Specifies if rotation steps should be &ldquo;rasterized&rdquo; depening on the distance to the handle. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.rotationCursor" id=link17 onMouseOver="ShowTip(event, 'tt16', 'link17')" onMouseOut="HideTip('tt16')">rotationCursor</a></td><td class=SDescription>Specifies the cursor for the rotation handle. </td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxVertexHandler.livePreview" id=link18 onMouseOver="ShowTip(event, 'tt17', 'link18')" onMouseOut="HideTip('tt17')">livePreview</a></td><td class=SDescription>Specifies if resize should change the cell in-place. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.manageSizers" id=link19 onMouseOver="ShowTip(event, 'tt18', 'link19')" onMouseOut="HideTip('tt18')">manageSizers</a></td><td class=SDescription>Specifies if sizers should be hidden and spaced if the vertex is small. </td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxVertexHandler.constrainGroupByChildren" id=link20 onMouseOver="ShowTip(event, 'tt19', 'link20')" onMouseOut="HideTip('tt19')">constrainGroupByChildren</a></td><td class=SDescription>Specifies if the size of groups should be constrained by the children. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.rotationHandleVSpacing" id=link21 onMouseOver="ShowTip(event, 'tt20', 'link21')" onMouseOut="HideTip('tt20')">rotationHandleVSpacing</a></td><td class=SDescription>Vertical spacing for rotation icon. </td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxVertexHandler.horizontalOffset" id=link22 onMouseOver="ShowTip(event, 'tt21', 'link22')" onMouseOut="HideTip('tt21')">horizontalOffset</a></td><td class=SDescription>The horizontal offset for the handles. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.verticalOffset" id=link23 onMouseOver="ShowTip(event, 'tt22', 'link23')" onMouseOut="HideTip('tt22')">verticalOffset</a></td><td class=SDescription>The horizontal offset for the handles. </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=link24 onMouseOver="ShowTip(event, 'tt23', 'link24')" onMouseOut="HideTip('tt23')">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.isRotationHandleVisible" id=link25 onMouseOver="ShowTip(event, 'tt24', 'link25')" onMouseOut="HideTip('tt24')">isRotationHandleVisible</a></td><td class=SDescription>Returns true if the rotation handle should be showing.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.isConstrainedEvent" id=link26 onMouseOver="ShowTip(event, 'tt25', 'link26')" onMouseOut="HideTip('tt25')">isConstrainedEvent</a></td><td class=SDescription>Returns true if the aspect ratio if the cell should be maintained.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxVertexHandler.isCenteredEvent" id=link27 onMouseOver="ShowTip(event, 'tt26', 'link27')" onMouseOut="HideTip('tt26')">isCenteredEvent</a></td><td class=SDescription>Returns true if the aspect ratio if the cell should be maintained.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.createCustomHandles" id=link28 onMouseOver="ShowTip(event, 'tt27', 'link28')" onMouseOut="HideTip('tt27')">createCustomHandles</a></td><td class=SDescription>Returns an array of custom handles. </td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxVertexHandler.updateMinBounds" id=link29 onMouseOver="ShowTip(event, 'tt28', 'link29')" onMouseOut="HideTip('tt28')">updateMinBounds</a></td><td class=SDescription>Initializes the shapes required for this vertex handler.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.getSelectionBounds" id=link30 onMouseOver="ShowTip(event, 'tt29', 'link30')" onMouseOut="HideTip('tt29')">getSelectionBounds</a></td><td class=SDescription>Returns the mxRectangle that defines the bounds of the selection border.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxVertexHandler.createParentHighlightShape" id=link31 onMouseOver="ShowTip(event, 'tt30', 'link31')" onMouseOut="HideTip('tt30')">createParentHighlightShape</a></td><td class=SDescription>Creates the shape used to draw the selection border.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.createSelectionShape" id=link32 onMouseOver="ShowTip(event, 'tt31', 'link32')" onMouseOut="HideTip('tt31')">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=link33 onMouseOver="ShowTip(event, 'tt32', 'link33')" onMouseOut="HideTip('tt32')">getSelectionColor</a></td><td class=SDescription>Returns <a href="../util/mxConstants-js.html#mxConstants.VERTEX_SELECTION_COLOR" class=LVariable id=link34 onMouseOver="ShowTip(event, 'tt33', 'link34')" onMouseOut="HideTip('tt33')">mxConstants.VERTEX_SELECTION_COLOR</a>.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.getSelectionStrokeWidth" id=link35 onMouseOver="ShowTip(event, 'tt34', 'link35')" onMouseOut="HideTip('tt34')">getSelectionStrokeWidth</a></td><td class=SDescription>Returns <a href="../util/mxConstants-js.html#mxConstants.VERTEX_SELECTION_STROKEWIDTH" class=LVariable id=link36 onMouseOver="ShowTip(event, 'tt35', 'link36')" onMouseOut="HideTip('tt35')">mxConstants.VERTEX_SELECTION_STROKEWIDTH</a>.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxVertexHandler.isSelectionDashed" id=link37 onMouseOver="ShowTip(event, 'tt36', 'link37')" onMouseOut="HideTip('tt36')">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=link38 onMouseOver="ShowTip(event, 'tt37', 'link38')" onMouseOut="HideTip('tt37')">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=link39 onMouseOver="ShowTip(event, 'tt38', 'link39')" onMouseOut="HideTip('tt38')">mxRectangleShape</a> that represents the handle.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxVertexHandler.isSizerVisible" id=link40 onMouseOver="ShowTip(event, 'tt39', 'link40')" onMouseOut="HideTip('tt39')">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=link41 onMouseOver="ShowTip(event, 'tt40', 'link41')" onMouseOut="HideTip('tt40')">createSizerShape</a></td><td class=SDescription>Creates the shape used for the sizer handle for the specified bounds an 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=link42 onMouseOver="ShowTip(event, 'tt41', 'link42')" onMouseOut="HideTip('tt41')">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=link43 onMouseOver="ShowTip(event, 'tt12', 'link43')" onMouseOut="HideTip('tt12')">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.isCustomHandleEvent" id=link44 onMouseOver="ShowTip(event, 'tt42', 'link44')" onMouseOut="HideTip('tt42')">isCustomHandleEvent</a></td><td class=SDescription>Returns true if the given event allows custom handles to be changed. </td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.mouseDown" id=link45 onMouseOver="ShowTip(event, 'tt43', 'link45')" onMouseOut="HideTip('tt43')">mouseDown</a></td><td class=SDescription>Handles the event if a handle has been clicked. </td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxVertexHandler.isLivePreviewBorder" id=link46 onMouseOver="ShowTip(event, 'tt44', 'link46')" onMouseOut="HideTip('tt44')">isLivePreviewBorder</a></td><td class=SDescription>Called if <a href="#mxVertexHandler.livePreview" class=LVariable id=link47 onMouseOver="ShowTip(event, 'tt17', 'link47')" onMouseOut="HideTip('tt17')">livePreview</a> is enabled to check if a border should be painted. </td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.start" id=link48 onMouseOver="ShowTip(event, 'tt45', 'link48')" onMouseOut="HideTip('tt45')">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.hideHandles" >hideHandles</a></td><td class=SDescription>Shortcut to <a href="#mxVertexHandler.hideSizers" class=LFunction id=link49 onMouseOver="ShowTip(event, 'tt46', 'link49')" onMouseOut="HideTip('tt46')">hideSizers</a>.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.hideSizers" id=link50 onMouseOver="ShowTip(event, 'tt46', 'link50')" onMouseOut="HideTip('tt46')">hideSizers</a></td><td class=SDescription>Hides all sizers except.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxVertexHandler.checkTolerance" id=link51 onMouseOver="ShowTip(event, 'tt47', 'link51')" onMouseOut="HideTip('tt47')">checkTolerance</a></td><td class=SDescription>Checks if the coordinates for the given event are within the <a href="../view/mxGraph-js.html#mxGraph.tolerance" class=LVariable id=link52 onMouseOver="ShowTip(event, 'tt48', 'link52')" onMouseOut="HideTip('tt48')">mxGraph.tolerance</a>. </td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.updateHint" id=link53 onMouseOver="ShowTip(event, 'tt49', 'link53')" onMouseOut="HideTip('tt49')">updateHint</a></td><td class=SDescription>Hook for subclassers do show details while the handler is active.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxVertexHandler.removeHint" id=link54 onMouseOver="ShowTip(event, 'tt50', 'link54')" onMouseOut="HideTip('tt50')">removeHint</a></td><td class=SDescription>Hooks for subclassers to hide details when the handler gets inactive.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.roundAngle" id=link55 onMouseOver="ShowTip(event, 'tt51', 'link55')" onMouseOut="HideTip('tt51')">roundAngle</a></td><td class=SDescription>Hook for rounding the angle. </td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxVertexHandler.roundLength" id=link56 onMouseOver="ShowTip(event, 'tt52', 'link56')" onMouseOut="HideTip('tt52')">roundLength</a></td><td class=SDescription>Hook for rounding the unscaled width or height. </td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.mouseMove" id=link57 onMouseOver="ShowTip(event, 'tt53', 'link57')" onMouseOut="HideTip('tt53')">mouseMove</a></td><td class=SDescription>Handles the event by updating the preview.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxVertexHandler.rotateVertex" >rotateVertex</a></td><td class=SDescription>Rotates the vertex.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.rotateVertex" id=link58 onMouseOver="ShowTip(event, 'tt54', 'link58')" onMouseOut="HideTip('tt54')">rotateVertex</a></td><td class=SDescription>Rotates the vertex.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxVertexHandler.rotateVertex" >rotateVertex</a></td><td class=SDescription>Rotates the vertex.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.updateLivePreview" id=link59 onMouseOver="ShowTip(event, 'tt55', 'link59')" onMouseOut="HideTip('tt55')">updateLivePreview</a></td><td class=SDescription>Repaints the live preview.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxVertexHandler.mouseUp" id=link60 onMouseOver="ShowTip(event, 'tt56', 'link60')" onMouseOut="HideTip('tt56')">mouseUp</a></td><td class=SDescription>Handles the event by applying the changes to the geometry.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.rotateCell" >rotateCell</a></td><td class=SDescription>Rotates the given cell to the given rotation.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxVertexHandler.rotateClick" id=link61 onMouseOver="ShowTip(event, 'tt57', 'link61')" onMouseOut="HideTip('tt57')">rotateClick</a></td><td class=SDescription>Hook for subclassers to implement a single click on the rotation handle. </td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.rotateCell" id=link62 onMouseOver="ShowTip(event, 'tt58', 'link62')" onMouseOut="HideTip('tt58')">rotateCell</a></td><td class=SDescription>Rotates the given cell and its children by the given angle in degrees.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxVertexHandler.reset" id=link63 onMouseOver="ShowTip(event, 'tt59', 'link63')" onMouseOut="HideTip('tt59')">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=link64 onMouseOver="ShowTip(event, 'tt60', 'link64')" onMouseOut="HideTip('tt60')">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=link65 onMouseOver="ShowTip(event, 'tt61', 'link65')" onMouseOut="HideTip('tt61')">mxGraph.resizeCell</a>.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxVertexHandler.moveChildren" id=link66 onMouseOver="ShowTip(event, 'tt62', 'link66')" onMouseOut="HideTip('tt62')">moveChildren</a></td><td class=SDescription>Moves the children of the given cell by the given vector.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.union" id=link67 onMouseOver="ShowTip(event, 'tt63', 'link67')" onMouseOut="HideTip('tt63')">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"><td class=SEntry><a href="#mxVertexHandler.redraw" id=link68 onMouseOver="ShowTip(event, 'tt64', 'link68')" onMouseOut="HideTip('tt64')">redraw</a></td><td class=SDescription>Redraws the handles and the preview.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.redrawHandles" id=link69 onMouseOver="ShowTip(event, 'tt65', 'link69')" onMouseOut="HideTip('tt65')">redrawHandles</a></td><td class=SDescription>Redraws the handles. </td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxVertexHandler.updateParentHighlight" id=link70 onMouseOver="ShowTip(event, 'tt66', 'link70')" onMouseOut="HideTip('tt66')">updateParentHighlight</a></td><td class=SDescription>Updates the highlight of the parent if <a href="#mxVertexHandler.parentHighlightEnabled" class=LVariable id=link71 onMouseOver="ShowTip(event, 'tt14', 'link71')" onMouseOut="HideTip('tt14')">parentHighlightEnabled</a> is true.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxVertexHandler.drawPreview" id=link72 onMouseOver="ShowTip(event, 'tt67', 'link72')" onMouseOut="HideTip('tt67')">drawPreview</a></td><td class=SDescription>Redraws the preview.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxVertexHandler.destroy" id=link73 onMouseOver="ShowTip(event, 'tt68', 'link73')" onMouseOut="HideTip('tt68')">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=link75 onMouseOver="ShowTip(event, 'tt5', 'link75')" 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=link76 onMouseOver="ShowTip(event, 'tt3', 'link76')" 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=link77 onMouseOver="ShowTip(event, 'tt5', 'link77')" 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 or if <a href="#mxVertexHandler.tolerance" class=LVariable id=link78 onMouseOver="ShowTip(event, 'tt9', 'link78')" onMouseOut="HideTip('tt9')">tolerance</a> &gt; 0.&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=link79 onMouseOver="ShowTip(event, 'tt11', 'link79')" 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=link80 onMouseOver="ShowTip(event, 'tt12', 'link80')" onMouseOut="HideTip('tt12')">getHandleForEvent</a>.&nbsp; Default is 0.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.rotationEnabled"></a>rotationEnabled</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.rotationEnabled</td></tr></table></blockquote><p>Specifies if a rotation handle should be visible.&nbsp; Default is false.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.parentHighlightEnabled"></a>parentHighlightEnabled</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.parentHighlightEnabled</td></tr></table></blockquote><p>Specifies if the parent should be highlighted if a child cell is selected.&nbsp; Default is false.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.rotationRaster"></a>rotationRaster</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.rotationRaster</td></tr></table></blockquote><p>Specifies if rotation steps should be &ldquo;rasterized&rdquo; depening on the distance to the handle.&nbsp; Default is true.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.rotationCursor"></a>rotationCursor</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.rotationCursor</td></tr></table></blockquote><p>Specifies the cursor for the rotation handle.&nbsp; Default is &lsquo;crosshair&rsquo;.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.livePreview"></a>livePreview</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.livePreview</td></tr></table></blockquote><p>Specifies if resize should change the cell in-place.&nbsp; This is an experimental feature for non-touch devices.&nbsp; Default is false.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.manageSizers"></a>manageSizers</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.manageSizers</td></tr></table></blockquote><p>Specifies if sizers should be hidden and spaced if the vertex is small.&nbsp; Default is false.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.constrainGroupByChildren"></a>constrainGroupByChildren</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.constrainGroupByChildren</td></tr></table></blockquote><p>Specifies if the size of groups should be constrained by the children.&nbsp; Default is false.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.rotationHandleVSpacing"></a>rotationHandleVSpacing</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.rotationHandleVSpacing</td></tr></table></blockquote><p>Vertical spacing for rotation icon.&nbsp; Default is -16.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.horizontalOffset"></a>horizontalOffset</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.horizontalOffset</td></tr></table></blockquote><p>The horizontal offset for the handles.&nbsp; This is updated in <a href="#mxVertexHandler.redrawHandles" class=LFunction id=link81 onMouseOver="ShowTip(event, 'tt65', 'link81')" onMouseOut="HideTip('tt65')">redrawHandles</a> if <a href="#mxVertexHandler.manageSizers" class=LVariable id=link82 onMouseOver="ShowTip(event, 'tt18', 'link82')" onMouseOut="HideTip('tt18')">manageSizers</a> is true and the sizers are offset horizontally.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.verticalOffset"></a>verticalOffset</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.verticalOffset</td></tr></table></blockquote><p>The horizontal offset for the handles.&nbsp; This is updated in <a href="#mxVertexHandler.redrawHandles" class=LFunction id=link83 onMouseOver="ShowTip(event, 'tt65', 'link83')" onMouseOut="HideTip('tt65')">redrawHandles</a> if <a href="#mxVertexHandler.manageSizers" class=LVariable id=link84 onMouseOver="ShowTip(event, 'tt18', 'link84')" onMouseOut="HideTip('tt18')">manageSizers</a> is true and the sizers are offset vertically.</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.isRotationHandleVisible"></a>isRotationHandleVisible</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.isRotationHandleVisible = function()</td></tr></table></blockquote><p>Returns true if the rotation handle should be showing.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.isConstrainedEvent"></a>isConstrainedEvent</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.isConstrainedEvent = function(</td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns true if the aspect ratio if the cell should be maintained.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.isCenteredEvent"></a>isCenteredEvent</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.isCenteredEvent = function(</td><td class=PParameter nowrap>state,</td></tr><tr><td></td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns true if the aspect ratio if the cell should be maintained.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.createCustomHandles"></a>createCustomHandles</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.createCustomHandles = function()</td></tr></table></blockquote><p>Returns an array of custom handles.&nbsp; This implementation returns null.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.updateMinBounds"></a>updateMinBounds</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.updateMinBounds = 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.createParentHighlightShape"></a>createParentHighlightShape</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.createParentHighlightShape = 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.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=link85 onMouseOver="ShowTip(event, 'tt33', 'link85')" onMouseOut="HideTip('tt33')">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=link86 onMouseOver="ShowTip(event, 'tt35', 'link86')" onMouseOut="HideTip('tt35')">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=link87 onMouseOver="ShowTip(event, 'tt38', 'link87')" onMouseOut="HideTip('tt38')">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 an index.&nbsp; Only images and rectangles should be returned if support for HTML labels with not foreign objects is required.</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=link88 onMouseOver="ShowTip(event, 'tt41', 'link88')" onMouseOut="HideTip('tt41')">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.isCustomHandleEvent"></a>isCustomHandleEvent</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.isCustomHandleEvent = function(</td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns true if the given event allows custom handles to be changed.&nbsp; This implementation returns true.</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.isLivePreviewBorder"></a>isLivePreviewBorder</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.isLivePreviewBorder = function()</td></tr></table></blockquote><p>Called if <a href="#mxVertexHandler.livePreview" class=LVariable id=link89 onMouseOver="ShowTip(event, 'tt17', 'link89')" onMouseOut="HideTip('tt17')">livePreview</a> is enabled to check if a border should be painted.&nbsp; This implementation returns true if the shape is transparent.</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.hideHandles"></a>hideHandles</h3><div class=CBody><p>Shortcut to <a href="#mxVertexHandler.hideSizers" class=LFunction id=link90 onMouseOver="ShowTip(event, 'tt46', 'link90')" onMouseOut="HideTip('tt46')">hideSizers</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.hideSizers"></a>hideSizers</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.hideSizers = function()</td></tr></table></blockquote><p>Hides all sizers except.</p><p>Starts the handling of the mouse gesture.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.checkTolerance"></a>checkTolerance</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.checkTolerance = function(</td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Checks if the coordinates for the given event are within the <a href="../view/mxGraph-js.html#mxGraph.tolerance" class=LVariable id=link91 onMouseOver="ShowTip(event, 'tt48', 'link91')" onMouseOut="HideTip('tt48')">mxGraph.tolerance</a>.&nbsp; If the event is a mouse event then the tolerance is ignored.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.updateHint"></a>updateHint</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.updateHint = function(</td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Hook for subclassers do show details while the handler is active.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.removeHint"></a>removeHint</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.removeHint = function()</td></tr></table></blockquote><p>Hooks for subclassers to hide details when the handler gets inactive.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.roundAngle"></a>roundAngle</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.roundAngle = function(</td><td class=PParameter nowrap>angle</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Hook for rounding the angle.&nbsp; This uses Math.round.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.roundLength"></a>roundLength</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.roundLength = function(</td><td class=PParameter nowrap>length</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Hook for rounding the unscaled width or height.&nbsp; This uses Math.round.</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.rotateVertex"></a>rotateVertex</h3><div class=CBody><p>Rotates the vertex.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.rotateVertex"></a>rotateVertex</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.rotateVertex = function(</td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Rotates the vertex.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.rotateVertex"></a>rotateVertex</h3><div class=CBody><p>Rotates the vertex.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.updateLivePreview"></a>updateLivePreview</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.updateLivePreview = function(</td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Repaints the live 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.rotateCell"></a>rotateCell</h3><div class=CBody><p>Rotates the given cell to the given rotation.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.rotateClick"></a>rotateClick</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.rotateClick = function()</td></tr></table></blockquote><p>Hook for subclassers to implement a single click on the rotation handle.&nbsp; This code is executed as part of the model transaction.&nbsp; This implementation is empty.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.rotateCell"></a>rotateCell</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.rotateCell = function(</td><td class=PParameter nowrap>cell,</td></tr><tr><td></td><td class=PParameter nowrap>angle,</td></tr><tr><td></td><td class=PParameter nowrap>parent</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Rotates the given cell and its children by the given angle in degrees.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>cell</td><td class=CDLDescription><a href="../model/mxCell-js.html#mxCell" class=LClass id=link92 onMouseOver="ShowTip(event, 'tt70', 'link92')" onMouseOut="HideTip('tt70')">mxCell</a> to be rotated.</td></tr><tr><td class=CDLEntry>angle</td><td class=CDLDescription>Angle in degrees.</td></tr></table></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></tr><tr><td></td><td class=PParameter nowrap>constrained,</td></tr><tr><td></td><td class=PParameter nowrap>recurse</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=link93 onMouseOver="ShowTip(event, 'tt61', 'link93')" onMouseOut="HideTip('tt61')">mxGraph.resizeCell</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.moveChildren"></a>moveChildren</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.moveChildren = 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><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Moves the children of the given cell by the given vector.</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></tr><tr><td></td><td class=PParameter nowrap>constrained,</td></tr><tr><td></td><td class=PParameter nowrap>centered</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, constrained)
{
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><p>To override this to update the height for a wrapped text if the width of a vertex is changed, the following can be used.</p><blockquote><pre class="prettyprint">var mxVertexHandlerUnion = mxVertexHandler.prototype.union;
mxVertexHandler.prototype.union = function(bounds, dx, dy, index, gridEnabled, scale, tr, constrained)
{
var result = mxVertexHandlerUnion.apply(this, arguments);
var s = this.state;
if (this.graph.isHtmlLabel(s.cell) &amp;&amp; (index == 3 || index == 4) &amp;&amp;
s.text != null &amp;&amp; s.style[mxConstants.STYLE_WHITE_SPACE] == 'wrap')
{
var label = this.graph.getLabel(s.cell);
var fontSize = mxUtils.getNumber(s.style, mxConstants.STYLE_FONTSIZE, mxConstants.DEFAULT_FONTSIZE);
var ww = result.width / s.view.scale - s.text.spacingRight - s.text.spacingLeft
result.height = mxUtils.getSizeForString(label, fontSize, s.style[mxConstants.STYLE_FONTFAMILY], ww).height;
}
return result;
};</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.redrawHandles"></a>redrawHandles</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.redrawHandles = function()</td></tr></table></blockquote><p>Redraws the handles.&nbsp; To hide certain handles the following code can be used.</p><blockquote><pre class="prettyprint">mxVertexHandler.prototype.redrawHandles = function()
{
mxVertexHandlerRedrawHandles.apply(this, arguments);
if (this.sizers != null &amp;&amp; this.sizers.length &gt; 7)
{
this.sizers[1].node.style.display = 'none';
this.sizers[6].node.style.display = 'none';
}
};</pre></blockquote></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.updateParentHighlight"></a>updateParentHighlight</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.updateParentHighlight = function()</td></tr></table></blockquote><p>Updates the highlight of the parent if <a href="#mxVertexHandler.parentHighlightEnabled" class=LVariable id=link94 onMouseOver="ShowTip(event, 'tt14', 'link94')" onMouseOut="HideTip('tt14')">parentHighlightEnabled</a> is true.</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 or if tolerance &gt; 0. </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.tolerance</td></tr></table></blockquote>Optional tolerance for hit-detection in getHandleForEvent. </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=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="tt13"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.rotationEnabled</td></tr></table></blockquote>Specifies if a rotation handle should be visible. </div></div><div class=CToolTip id="tt14"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.parentHighlightEnabled</td></tr></table></blockquote>Specifies if the parent should be highlighted if a child cell is selected. </div></div><div class=CToolTip id="tt15"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.rotationRaster</td></tr></table></blockquote>Specifies if rotation steps should be &ldquo;rasterized&rdquo; depening on the distance to the handle. </div></div><div class=CToolTip id="tt16"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.rotationCursor</td></tr></table></blockquote>Specifies the cursor for the rotation handle. </div></div><div class=CToolTip id="tt17"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.livePreview</td></tr></table></blockquote>Specifies if resize should change the cell in-place. </div></div><div class=CToolTip id="tt18"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.manageSizers</td></tr></table></blockquote>Specifies if sizers should be hidden and spaced if the vertex is small. </div></div><div class=CToolTip id="tt19"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.constrainGroupByChildren</td></tr></table></blockquote>Specifies if the size of groups should be constrained by the children. </div></div><div class=CToolTip id="tt20"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.rotationHandleVSpacing</td></tr></table></blockquote>Vertical spacing for rotation icon. </div></div><div class=CToolTip id="tt21"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.horizontalOffset</td></tr></table></blockquote>The horizontal offset for the handles. </div></div><div class=CToolTip id="tt22"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.verticalOffset</td></tr></table></blockquote>The horizontal offset for the handles. </div></div><div class=CToolTip id="tt23"><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="tt24"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.isRotationHandleVisible = function()</td></tr></table></blockquote>Returns true if the rotation handle should be showing.</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.isConstrainedEvent = function(</td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns true if the aspect ratio if the cell should be maintained.</div></div><div class=CToolTip id="tt26"><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.isCenteredEvent = function(</td><td class=PParameter nowrap>state,</td></tr><tr><td></td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns true if the aspect ratio if the cell should be maintained.</div></div><div class=CToolTip id="tt27"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.createCustomHandles = function()</td></tr></table></blockquote>Returns an array of custom handles. </div></div><div class=CToolTip id="tt28"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.updateMinBounds = function()</td></tr></table></blockquote>Initializes the shapes required for this vertex handler.</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.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="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.createParentHighlightShape = 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="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>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="tt32"><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="tt33"><div class=CVariable>Defines the color to be used for the selection border of vertices. </div></div><div class=CToolTip id="tt34"><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="tt35"><div class=CVariable>Defines the strokewidth to be used for vertex selections. </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.isSelectionDashed = function()</td></tr></table></blockquote>Returns mxConstants.VERTEX_SELECTION_DASHED.</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>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="tt38"><div class=CClass>Extends mxShape to implement a rectangle shape. </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>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="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>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 an index. </div></div><div class=CToolTip id="tt41"><div class=CClass>Extends mxPoint to implement a 2-dimensional rectangle with double precision 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>mxVertexHandler.prototype.isCustomHandleEvent = function(</td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns true if the given event allows custom handles to be changed. </div></div><div class=CToolTip id="tt43"><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="tt44"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.isLivePreviewBorder = function()</td></tr></table></blockquote>Called if livePreview is enabled to check if a border should be painted. </div></div><div class=CToolTip id="tt45"><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="tt46"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.hideSizers = function()</td></tr></table></blockquote>Hides all sizers except.</div></div><div class=CToolTip id="tt47"><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.checkTolerance = function(</td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Checks if the coordinates for the given event are within the mxGraph.tolerance. </div></div><div class=CToolTip id="tt48"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraph.prototype.tolerance</td></tr></table></blockquote>Tolerance for a move to be handled as a single click. </div></div><div class=CToolTip id="tt49"><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.updateHint = function(</td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Hook for subclassers do show details while the handler is active.</div></div><div class=CToolTip id="tt50"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.removeHint = function()</td></tr></table></blockquote>Hooks for subclassers to hide details when the handler gets inactive.</div></div><div class=CToolTip id="tt51"><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.roundAngle = function(</td><td class=PParameter nowrap>angle</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Hook for rounding the angle. </div></div><div class=CToolTip id="tt52"><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.roundLength = function(</td><td class=PParameter nowrap>length</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Hook for rounding the unscaled width or height. </div></div><div class=CToolTip id="tt53"><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="tt54"><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.rotateVertex = function(</td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Rotates the vertex.</div></div><div class=CToolTip id="tt55"><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.updateLivePreview = function(</td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Repaints the live preview.</div></div><div class=CToolTip id="tt56"><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="tt57"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.rotateClick = function()</td></tr></table></blockquote>Hook for subclassers to implement a single click on the rotation handle. </div></div><div class=CToolTip id="tt58"><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.rotateCell = function(</td><td class=PParameter nowrap>cell,</td></tr><tr><td></td><td class=PParameter nowrap>angle,</td></tr><tr><td></td><td class=PParameter nowrap>parent</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Rotates the given cell and its children by the given angle in degrees.</div></div><div class=CToolTip id="tt59"><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="tt60"><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></tr><tr><td></td><td class=PParameter nowrap>constrained,</td></tr><tr><td></td><td class=PParameter nowrap>recurse</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="tt61"><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></tr><tr><td></td><td class=PParameter nowrap>recurse</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="tt62"><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.moveChildren = 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><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Moves the children of the given cell by the given vector.</div></div><div class=CToolTip id="tt63"><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></tr><tr><td></td><td class=PParameter nowrap>constrained,</td></tr><tr><td></td><td class=PParameter nowrap>centered</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="tt64"><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="tt65"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.redrawHandles = function()</td></tr></table></blockquote>Redraws the handles. </div></div><div class=CToolTip id="tt66"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxVertexHandler.prototype.updateParentHighlight = function()</td></tr></table></blockquote>Updates the highlight of the parent if parentHighlightEnabled is true.</div></div><div class=CToolTip id="tt67"><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="tt68"><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="tt69"><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><div class=CToolTip id="tt70"><div class=CClass>Cells are the elements of the graph model. 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