208 lines
102 KiB
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208 lines
102 KiB
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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. 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> > 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 “rasterized” 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 center of the vertex should be maintained during the resize.</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 <mxConstants.VERTEX_SELECTION_DASHED>.</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>
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<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.Functions"></a>Functions</h3></div></div>
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<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>
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<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.Variables"></a>Variables</h3></div></div>
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<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>
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<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>
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<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. Default is false.</p></div></div></div>
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<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>
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<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> > 0. Default is true.</p></div></div></div>
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<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. Default is null.</p></div></div></div>
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<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>. Default is 0.</p></div></div></div>
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<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. Default is false.</p></div></div></div>
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<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. Default is false.</p></div></div></div>
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<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 “rasterized” depening on the distance to the handle. Default is true.</p></div></div></div>
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<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. Default is ‘crosshair’.</p></div></div></div>
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<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. This is an experimental feature for non-touch devices. Default is false.</p></div></div></div>
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<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. Default is false.</p></div></div></div>
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<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. Default is false.</p></div></div></div>
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<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. Default is -16.</p></div></div></div>
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<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. 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>
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<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. 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>
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<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="mxVertexHandler.Functions"></a>Functions</h3></div></div>
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<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>
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<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>
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<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>
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<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 center of the vertex should be maintained during the resize.</p></div></div></div>
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<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. This implementation returns null.</p></div></div></div>
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<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>
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<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>
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<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>
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<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>
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<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>
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<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>
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<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 <mxConstants.VERTEX_SELECTION_DASHED>.</p></div></div></div>
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<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>
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<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. This returns true for all given indices.</p></div></div></div>
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<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. Only images and rectangles should be returned if support for HTML labels with not foreign objects is required.</p></div></div></div>
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<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>
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<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. This returns the index of the sizer from where the event originated or <mxEvent.LABEL_INDEX>.</p></div></div></div>
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<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. This implementation returns true.</p></div></div></div>
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<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. By consuming the event all subsequent events of the gesture are redirected to this handler.</p></div></div></div>
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<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. This implementation returns true if the shape is transparent.</p></div></div></div>
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<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>
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<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>
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<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>
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<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>. If the event is a mouse event then the tolerance is ignored.</p></div></div></div>
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<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>
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<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>
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<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. This uses Math.round.</p></div></div></div>
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<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. This uses Math.round.</p></div></div></div>
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<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>
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<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>
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<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>
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<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>
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<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>
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<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>
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<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>
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<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. This code is executed as part of the model transaction. This implementation is empty.</p></div></div></div>
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<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>
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<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>
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<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>
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<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>
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<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;
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mxVertexHandler.prototype.union = function(bounds, dx, dy, index, gridEnabled, scale, tr, constrained)
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{
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var result = vertexHandlerUnion.apply(this, arguments);
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result.width = Math.max(result.width, mxUtils.getNumber(this.state.style, 'minWidth', 0));
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result.height = Math.max(result.height, mxUtils.getNumber(this.state.style, 'minHeight', 0));
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return result;
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};</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;
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mxVertexHandler.prototype.union = function(bounds, dx, dy, index, gridEnabled, scale, tr, constrained)
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{
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var result = mxVertexHandlerUnion.apply(this, arguments);
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var s = this.state;
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if (this.graph.isHtmlLabel(s.cell) && (index == 3 || index == 4) &&
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s.text != null && s.style[mxConstants.STYLE_WHITE_SPACE] == 'wrap')
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{
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var label = this.graph.getLabel(s.cell);
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var fontSize = mxUtils.getNumber(s.style, mxConstants.STYLE_FONTSIZE, mxConstants.DEFAULT_FONTSIZE);
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var ww = result.width / s.view.scale - s.text.spacingRight - s.text.spacingLeft
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result.height = mxUtils.getSizeForString(label, fontSize, s.style[mxConstants.STYLE_FONTFAMILY], ww).height;
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}
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return result;
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};</pre></blockquote></div></div></div>
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<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>
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<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. To hide certain handles the following code can be used.</p><blockquote><pre class="prettyprint">mxVertexHandler.prototype.redrawHandles = function()
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{
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mxVertexHandlerRedrawHandles.apply(this, arguments);
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if (this.sizers != null && this.sizers.length > 7)
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{
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this.sizers[1].node.style.display = 'none';
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this.sizers[6].node.style.display = 'none';
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}
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};</pre></blockquote></div></div></div>
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<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>
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<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>
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<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 > 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 “rasterized” 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 center of the vertex should be maintained during the resize.</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. </div></div><!--END_ND_TOOLTIPS-->
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