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<div id=Content><div class="CClass"><div class=CTopic id=MainTopic><h1 class=CTitle><a name="mxGraphHandler"></a>mxGraphHandler</h1><div class=CBody><p>Graph event handler that handles selection.&nbsp; Individual cells are handled separately using <a href="mxVertexHandler-js.html#mxVertexHandler" class=LClass id=link77 onMouseOver="ShowTip(event, 'tt66', 'link77')" onMouseOut="HideTip('tt66')">mxVertexHandler</a> or one of the edge handlers.&nbsp; These handlers are created using <a href="../view/mxGraph-js.html#mxGraph.createHandler" class=LFunction id=link78 onMouseOver="ShowTip(event, 'tt67', 'link78')" onMouseOut="HideTip('tt67')">mxGraph.createHandler</a> in <a href="../view/mxGraphSelectionModel-js.html#mxGraphSelectionModel.cellAdded" class=LFunction id=link79 onMouseOver="ShowTip(event, 'tt68', 'link79')" onMouseOut="HideTip('tt68')">mxGraphSelectionModel.cellAdded</a>.</p><p>To avoid the container to scroll a moved cell into view, set &lt;scrollAfterMove&gt; to false.</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="#mxGraphHandler" >mxGraphHandler</a></td><td class=SDescription>Graph event handler that handles selection. </td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#mxGraphHandler.Functions" >Functions</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.mxGraphHandler" id=link1 onMouseOver="ShowTip(event, 'tt1', 'link1')" onMouseOut="HideTip('tt1')">mxGraphHandler</a></td><td class=SDescription>Constructs an event handler that creates handles for the selection cells.</td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#mxGraphHandler.Variables" >Variables</a></td><td class=SDescription></td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.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="#mxGraphHandler.maxCells" id=link4 onMouseOver="ShowTip(event, 'tt4', 'link4')" onMouseOut="HideTip('tt4')">maxCells</a></td><td class=SDescription>Defines the maximum number of cells to paint subhandles for. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.enabled" id=link5 onMouseOver="ShowTip(event, 'tt5', 'link5')" onMouseOut="HideTip('tt5')">enabled</a></td><td class=SDescription>Specifies if events are handled. </td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxGraphHandler.highlightEnabled" id=link6 onMouseOver="ShowTip(event, 'tt6', 'link6')" onMouseOut="HideTip('tt6')">highlightEnabled</a></td><td class=SDescription>Specifies if drop targets under the mouse should be enabled. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.cloneEnabled" id=link7 onMouseOver="ShowTip(event, 'tt7', 'link7')" onMouseOut="HideTip('tt7')">cloneEnabled</a></td><td class=SDescription>Specifies if cloning by control-drag is enabled. </td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxGraphHandler.moveEnabled" id=link8 onMouseOver="ShowTip(event, 'tt8', 'link8')" onMouseOut="HideTip('tt8')">moveEnabled</a></td><td class=SDescription>Specifies if moving is enabled. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.guidesEnabled" id=link9 onMouseOver="ShowTip(event, 'tt9', 'link9')" onMouseOut="HideTip('tt9')">guidesEnabled</a></td><td class=SDescription>Specifies if other cells should be used for snapping the right, center or left side of the current selection. </td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxGraphHandler.guide" id=link10 onMouseOver="ShowTip(event, 'tt10', 'link10')" onMouseOut="HideTip('tt10')">guide</a></td><td class=SDescription>Holds the <a href="../util/mxGuide-js.html#mxGuide" class=LClass id=link11 onMouseOver="ShowTip(event, 'tt11', 'link11')" onMouseOut="HideTip('tt11')">mxGuide</a> instance that is used for alignment.</td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.currentDx" id=link12 onMouseOver="ShowTip(event, 'tt12', 'link12')" onMouseOut="HideTip('tt12')">currentDx</a></td><td class=SDescription>Stores the x-coordinate of the current mouse move.</td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxGraphHandler.currentDy" id=link13 onMouseOver="ShowTip(event, 'tt13', 'link13')" onMouseOut="HideTip('tt13')">currentDy</a></td><td class=SDescription>Stores the y-coordinate of the current mouse move.</td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.updateCursor" id=link14 onMouseOver="ShowTip(event, 'tt14', 'link14')" onMouseOut="HideTip('tt14')">updateCursor</a></td><td class=SDescription>Specifies if a move cursor should be shown if the mouse is over a movable cell. </td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxGraphHandler.selectEnabled" id=link15 onMouseOver="ShowTip(event, 'tt15', 'link15')" onMouseOut="HideTip('tt15')">selectEnabled</a></td><td class=SDescription>Specifies if selecting is enabled. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.removeCellsFromParent" id=link16 onMouseOver="ShowTip(event, 'tt16', 'link16')" onMouseOut="HideTip('tt16')">removeCellsFromParent</a></td><td class=SDescription>Specifies if cells may be moved out of their parents. </td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxGraphHandler.connectOnDrop" id=link17 onMouseOver="ShowTip(event, 'tt17', 'link17')" onMouseOut="HideTip('tt17')">connectOnDrop</a></td><td class=SDescription>Specifies if drop events are interpreted as new connections if no other drop action is defined. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.scrollOnMove" id=link18 onMouseOver="ShowTip(event, 'tt18', 'link18')" onMouseOut="HideTip('tt18')">scrollOnMove</a></td><td class=SDescription>Specifies if the view should be scrolled so that a moved cell is visible. </td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxGraphHandler.minimumSize" id=link19 onMouseOver="ShowTip(event, 'tt19', 'link19')" onMouseOut="HideTip('tt19')">minimumSize</a></td><td class=SDescription>Specifies the minimum number of pixels for the width and height of a selection border. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.previewColor" id=link20 onMouseOver="ShowTip(event, 'tt20', 'link20')" onMouseOut="HideTip('tt20')">previewColor</a></td><td class=SDescription>Specifies the color of the preview shape. </td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxGraphHandler.htmlPreview" id=link21 onMouseOver="ShowTip(event, 'tt21', 'link21')" onMouseOut="HideTip('tt21')">htmlPreview</a></td><td class=SDescription>Specifies if the graph container should be used for preview. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.shape" id=link22 onMouseOver="ShowTip(event, 'tt22', 'link22')" onMouseOut="HideTip('tt22')">shape</a></td><td class=SDescription>Reference to the <a href="../shape/mxShape-js.html#mxShape" class=LClass id=link23 onMouseOver="ShowTip(event, 'tt23', 'link23')" onMouseOut="HideTip('tt23')">mxShape</a> that represents the preview.</td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxGraphHandler.scaleGrid" id=link24 onMouseOver="ShowTip(event, 'tt24', 'link24')" onMouseOut="HideTip('tt24')">scaleGrid</a></td><td class=SDescription>Specifies if the grid should be scaled. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.rotationEnabled" id=link25 onMouseOver="ShowTip(event, 'tt25', 'link25')" onMouseOut="HideTip('tt25')">rotationEnabled</a></td><td class=SDescription>Specifies if the bounding box should allow for rotation. </td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#mxGraphHandler.Functions" >Functions</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.isEnabled" id=link26 onMouseOver="ShowTip(event, 'tt26', 'link26')" onMouseOut="HideTip('tt26')">isEnabled</a></td><td class=SDescription>Returns <a href="#mxGraphHandler.enabled" class=LVariable id=link27 onMouseOver="ShowTip(event, 'tt5', 'link27')" onMouseOut="HideTip('tt5')">enabled</a>.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.setEnabled" id=link28 onMouseOver="ShowTip(event, 'tt27', 'link28')" onMouseOut="HideTip('tt27')">setEnabled</a></td><td class=SDescription>Sets <a href="#mxGraphHandler.enabled" class=LVariable id=link29 onMouseOver="ShowTip(event, 'tt5', 'link29')" onMouseOut="HideTip('tt5')">enabled</a>.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.isCloneEnabled" id=link30 onMouseOver="ShowTip(event, 'tt28', 'link30')" onMouseOut="HideTip('tt28')">isCloneEnabled</a></td><td class=SDescription>Returns <a href="#mxGraphHandler.cloneEnabled" class=LVariable id=link31 onMouseOver="ShowTip(event, 'tt7', 'link31')" onMouseOut="HideTip('tt7')">cloneEnabled</a>.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.setCloneEnabled" id=link32 onMouseOver="ShowTip(event, 'tt29', 'link32')" onMouseOut="HideTip('tt29')">setCloneEnabled</a></td><td class=SDescription>Sets <a href="#mxGraphHandler.cloneEnabled" class=LVariable id=link33 onMouseOver="ShowTip(event, 'tt7', 'link33')" onMouseOut="HideTip('tt7')">cloneEnabled</a>.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.isMoveEnabled" id=link34 onMouseOver="ShowTip(event, 'tt30', 'link34')" onMouseOut="HideTip('tt30')">isMoveEnabled</a></td><td class=SDescription>Returns <a href="#mxGraphHandler.moveEnabled" class=LVariable id=link35 onMouseOver="ShowTip(event, 'tt8', 'link35')" onMouseOut="HideTip('tt8')">moveEnabled</a>.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.setMoveEnabled" id=link36 onMouseOver="ShowTip(event, 'tt31', 'link36')" onMouseOut="HideTip('tt31')">setMoveEnabled</a></td><td class=SDescription>Sets <a href="#mxGraphHandler.moveEnabled" class=LVariable id=link37 onMouseOver="ShowTip(event, 'tt8', 'link37')" onMouseOut="HideTip('tt8')">moveEnabled</a>.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.isSelectEnabled" id=link38 onMouseOver="ShowTip(event, 'tt32', 'link38')" onMouseOut="HideTip('tt32')">isSelectEnabled</a></td><td class=SDescription>Returns <a href="#mxGraphHandler.selectEnabled" class=LVariable id=link39 onMouseOver="ShowTip(event, 'tt15', 'link39')" onMouseOut="HideTip('tt15')">selectEnabled</a>.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.setSelectEnabled" id=link40 onMouseOver="ShowTip(event, 'tt33', 'link40')" onMouseOut="HideTip('tt33')">setSelectEnabled</a></td><td class=SDescription>Sets <a href="#mxGraphHandler.selectEnabled" class=LVariable id=link41 onMouseOver="ShowTip(event, 'tt15', 'link41')" onMouseOut="HideTip('tt15')">selectEnabled</a>.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.isRemoveCellsFromParent" id=link42 onMouseOver="ShowTip(event, 'tt34', 'link42')" onMouseOut="HideTip('tt34')">isRemoveCellsFromParent</a></td><td class=SDescription>Returns <a href="#mxGraphHandler.removeCellsFromParent" class=LVariable id=link43 onMouseOver="ShowTip(event, 'tt16', 'link43')" onMouseOut="HideTip('tt16')">removeCellsFromParent</a>.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.setRemoveCellsFromParent" id=link44 onMouseOver="ShowTip(event, 'tt35', 'link44')" onMouseOut="HideTip('tt35')">setRemoveCellsFromParent</a></td><td class=SDescription>Sets <a href="#mxGraphHandler.removeCellsFromParent" class=LVariable id=link45 onMouseOver="ShowTip(event, 'tt16', 'link45')" onMouseOut="HideTip('tt16')">removeCellsFromParent</a>.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.getInitialCellForEvent" id=link46 onMouseOver="ShowTip(event, 'tt36', 'link46')" onMouseOut="HideTip('tt36')">getInitialCellForEvent</a></td><td class=SDescription>Hook to return initial cell for the given event.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.isDelayedSelection" id=link47 onMouseOver="ShowTip(event, 'tt37', 'link47')" onMouseOut="HideTip('tt37')">isDelayedSelection</a></td><td class=SDescription>Hook to return true for delayed selections.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.mouseDown" id=link48 onMouseOver="ShowTip(event, 'tt38', 'link48')" onMouseOut="HideTip('tt38')">mouseDown</a></td><td class=SDescription>Handles the event by selecing the given cell and creating a handle for it. </td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.getGuideStates" id=link49 onMouseOver="ShowTip(event, 'tt39', 'link49')" onMouseOut="HideTip('tt39')">getGuideStates</a></td><td class=SDescription>Creates an array of cell states which should be used as guides.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.getCells" id=link50 onMouseOver="ShowTip(event, 'tt40', 'link50')" onMouseOut="HideTip('tt40')">getCells</a></td><td class=SDescription>Returns the cells to be modified by this handler. </td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.getPreviewBounds" id=link51 onMouseOver="ShowTip(event, 'tt41', 'link51')" onMouseOut="HideTip('tt41')">getPreviewBounds</a></td><td class=SDescription>Returns the <a href="../util/mxRectangle-js.html#mxRectangle" class=LClass id=link52 onMouseOver="ShowTip(event, 'tt42', 'link52')" onMouseOut="HideTip('tt42')">mxRectangle</a> used as the preview bounds for moving the given cells.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.getBoundingBox" id=link53 onMouseOver="ShowTip(event, 'tt43', 'link53')" onMouseOut="HideTip('tt43')">getBoundingBox</a></td><td class=SDescription>Returns the union of the <a href="../view/mxCellState-js.html#mxCellState" class=LClass id=link54 onMouseOver="ShowTip(event, 'tt44', 'link54')" onMouseOut="HideTip('tt44')">mxCellStates</a> for the given array of <a href="../model/mxCell-js.html#mxCell" class=LClass id=link55 onMouseOver="ShowTip(event, 'tt45', 'link55')" onMouseOut="HideTip('tt45')">mxCells</a>. </td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.createPreviewShape" id=link56 onMouseOver="ShowTip(event, 'tt46', 'link56')" onMouseOut="HideTip('tt46')">createPreviewShape</a></td><td class=SDescription>Creates the shape used to draw the preview for the given bounds.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.start" id=link57 onMouseOver="ShowTip(event, 'tt47', 'link57')" onMouseOut="HideTip('tt47')">start</a></td><td class=SDescription>Starts the handling of the mouse gesture.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.useGuidesForEvent" id=link58 onMouseOver="ShowTip(event, 'tt48', 'link58')" onMouseOut="HideTip('tt48')">useGuidesForEvent</a></td><td class=SDescription>Returns true if the guides should be used for the given <a href="../util/mxMouseEvent-js.html#mxMouseEvent" class=LClass id=link59 onMouseOver="ShowTip(event, 'tt49', 'link59')" onMouseOut="HideTip('tt49')">mxMouseEvent</a>. </td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.snap" id=link60 onMouseOver="ShowTip(event, 'tt50', 'link60')" onMouseOut="HideTip('tt50')">snap</a></td><td class=SDescription>Snaps the given vector to the grid and returns the given mxPoint instance.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.getDelta" id=link61 onMouseOver="ShowTip(event, 'tt51', 'link61')" onMouseOut="HideTip('tt51')">getDelta</a></td><td class=SDescription>Returns an <a href="../util/mxPoint-js.html#mxPoint" class=LClass id=link62 onMouseOver="ShowTip(event, 'tt52', 'link62')" onMouseOut="HideTip('tt52')">mxPoint</a> that represents the vector for moving the cells for the given <a href="../util/mxMouseEvent-js.html#mxMouseEvent" class=LClass id=link63 onMouseOver="ShowTip(event, 'tt49', 'link63')" onMouseOut="HideTip('tt49')">mxMouseEvent</a>.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.updateHint" id=link64 onMouseOver="ShowTip(event, 'tt53', 'link64')" onMouseOut="HideTip('tt53')">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="#mxGraphHandler.removeHint" id=link65 onMouseOver="ShowTip(event, 'tt54', 'link65')" onMouseOut="HideTip('tt54')">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="#mxGraphHandler.roundLength" id=link66 onMouseOver="ShowTip(event, 'tt55', 'link66')" onMouseOut="HideTip('tt55')">roundLength</a></td><td class=SDescription>Hook for rounding the unscaled vector. </td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.mouseMove" id=link67 onMouseOver="ShowTip(event, 'tt56', 'link67')" onMouseOut="HideTip('tt56')">mouseMove</a></td><td class=SDescription>Handles the event by highlighting possible drop targets and updating the preview.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.updatePreviewShape" id=link68 onMouseOver="ShowTip(event, 'tt57', 'link68')" onMouseOut="HideTip('tt57')">updatePreviewShape</a></td><td class=SDescription>Updates the bounds of the preview shape.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.setHighlightColor" id=link69 onMouseOver="ShowTip(event, 'tt58', 'link69')" onMouseOut="HideTip('tt58')">setHighlightColor</a></td><td class=SDescription>Sets the color of the rectangle used to highlight drop targets.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.mouseUp" id=link70 onMouseOver="ShowTip(event, 'tt59', 'link70')" onMouseOut="HideTip('tt59')">mouseUp</a></td><td class=SDescription>Handles the event by applying the changes to the selection cells.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.selectDelayed" id=link71 onMouseOver="ShowTip(event, 'tt60', 'link71')" onMouseOut="HideTip('tt60')">selectDelayed</a></td><td class=SDescription>Implements the delayed selection for the given mouse event.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.reset" id=link72 onMouseOver="ShowTip(event, 'tt61', 'link72')" onMouseOut="HideTip('tt61')">reset</a></td><td class=SDescription>Resets the state of this handler.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.shouldRemoveCellsFromParent" id=link73 onMouseOver="ShowTip(event, 'tt62', 'link73')" onMouseOut="HideTip('tt62')">shouldRemoveCellsFromParent</a></td><td class=SDescription>Returns true if the given cells should be removed from the parent for the specified mousereleased event.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.moveCells" id=link74 onMouseOver="ShowTip(event, 'tt63', 'link74')" onMouseOut="HideTip('tt63')">moveCells</a></td><td class=SDescription>Moves the given cells by the specified amount.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.destroyShapes" id=link75 onMouseOver="ShowTip(event, 'tt64', 'link75')" onMouseOut="HideTip('tt64')">destroyShapes</a></td><td class=SDescription>Destroy the preview and highlight shapes.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.destroy" id=link76 onMouseOver="ShowTip(event, 'tt65', 'link76')" onMouseOut="HideTip('tt65')">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="mxGraphHandler.Functions"></a>Functions</h3></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.mxGraphHandler"></a>mxGraphHandler</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 mxGraphHandler(</td><td class=PParameter nowrap>graph</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Constructs an event handler that creates handles for the selection cells.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>graph</td><td class=CDLDescription>Reference to the enclosing <a href="../view/mxGraph-js.html#mxGraph" class=LClass id=link80 onMouseOver="ShowTip(event, 'tt3', 'link80')" onMouseOut="HideTip('tt3')">mxGraph</a>.</td></tr></table></div></div></div>
<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.Variables"></a>Variables</h3></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.graph"></a>graph</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.graph</td></tr></table></blockquote><p>Reference to the enclosing <a href="../view/mxGraph-js.html#mxGraph" class=LClass id=link81 onMouseOver="ShowTip(event, 'tt3', 'link81')" onMouseOut="HideTip('tt3')">mxGraph</a>.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.maxCells"></a>maxCells</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.maxCells</td></tr></table></blockquote><p>Defines the maximum number of cells to paint subhandles for.&nbsp; Default is 50 for Firefox and 20 for IE.&nbsp; Set this to 0 if you want an unlimited number of handles to be displayed.&nbsp; This is only recommended if the number of cells in the graph is limited to a small number, eg.&nbsp; 500.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.enabled"></a>enabled</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.enabled</td></tr></table></blockquote><p>Specifies if events are handled.&nbsp; Default is true.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.highlightEnabled"></a>highlightEnabled</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.highlightEnabled</td></tr></table></blockquote><p>Specifies if drop targets under the mouse should be enabled.&nbsp; Default is true.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.cloneEnabled"></a>cloneEnabled</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.cloneEnabled</td></tr></table></blockquote><p>Specifies if cloning by control-drag is enabled.&nbsp; Default is true.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.moveEnabled"></a>moveEnabled</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.moveEnabled</td></tr></table></blockquote><p>Specifies if moving is enabled.&nbsp; Default is true.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.guidesEnabled"></a>guidesEnabled</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.guidesEnabled</td></tr></table></blockquote><p>Specifies if other cells should be used for snapping the right, center or left side of the current selection.&nbsp; Default is false.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.guide"></a>guide</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.guide</td></tr></table></blockquote><p>Holds the <a href="../util/mxGuide-js.html#mxGuide" class=LClass id=link82 onMouseOver="ShowTip(event, 'tt11', 'link82')" onMouseOut="HideTip('tt11')">mxGuide</a> instance that is used for alignment.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.currentDx"></a>currentDx</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.currentDx</td></tr></table></blockquote><p>Stores the x-coordinate of the current mouse move.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.currentDy"></a>currentDy</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.currentDy</td></tr></table></blockquote><p>Stores the y-coordinate of the current mouse move.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.updateCursor"></a>updateCursor</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.updateCursor</td></tr></table></blockquote><p>Specifies if a move cursor should be shown if the mouse is over a movable cell.&nbsp; Default is true.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.selectEnabled"></a>selectEnabled</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.selectEnabled</td></tr></table></blockquote><p>Specifies if selecting is enabled.&nbsp; Default is true.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.removeCellsFromParent"></a>removeCellsFromParent</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.removeCellsFromParent</td></tr></table></blockquote><p>Specifies if cells may be moved out of their parents.&nbsp; Default is true.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.connectOnDrop"></a>connectOnDrop</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.connectOnDrop</td></tr></table></blockquote><p>Specifies if drop events are interpreted as new connections if no other drop action is defined.&nbsp; Default is false.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.scrollOnMove"></a>scrollOnMove</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.scrollOnMove</td></tr></table></blockquote><p>Specifies if the view should be scrolled so that a moved cell is visible.&nbsp; Default is true.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.minimumSize"></a>minimumSize</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.minimumSize</td></tr></table></blockquote><p>Specifies the minimum number of pixels for the width and height of a selection border.&nbsp; Default is 6.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.previewColor"></a>previewColor</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.previewColor</td></tr></table></blockquote><p>Specifies the color of the preview shape.&nbsp; Default is black.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.htmlPreview"></a>htmlPreview</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.htmlPreview</td></tr></table></blockquote><p>Specifies if the graph container should be used for preview.&nbsp; If this is used then drop target detection relies entirely on <a href="../view/mxGraph-js.html#mxGraph.getCellAt" class=LFunction id=link83 onMouseOver="ShowTip(event, 'tt69', 'link83')" onMouseOut="HideTip('tt69')">mxGraph.getCellAt</a> because the HTML preview does not &ldquo;let events through&rdquo;.&nbsp; Default is false.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.shape"></a>shape</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.shape</td></tr></table></blockquote><p>Reference to the <a href="../shape/mxShape-js.html#mxShape" class=LClass id=link84 onMouseOver="ShowTip(event, 'tt23', 'link84')" onMouseOut="HideTip('tt23')">mxShape</a> that represents the preview.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.scaleGrid"></a>scaleGrid</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.scaleGrid</td></tr></table></blockquote><p>Specifies if the grid should be scaled.&nbsp; Default is false.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.rotationEnabled"></a>rotationEnabled</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.rotationEnabled</td></tr></table></blockquote><p>Specifies if the bounding box should allow for rotation.&nbsp; Default is true.</p></div></div></div>
<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.Functions"></a>Functions</h3></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.isEnabled"></a>isEnabled</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.isEnabled = function()</td></tr></table></blockquote><p>Returns <a href="#mxGraphHandler.enabled" class=LVariable id=link85 onMouseOver="ShowTip(event, 'tt5', 'link85')" onMouseOut="HideTip('tt5')">enabled</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.setEnabled"></a>setEnabled</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxGraphHandler.prototype.setEnabled = function(</td><td class=PParameter nowrap>value</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Sets <a href="#mxGraphHandler.enabled" class=LVariable id=link86 onMouseOver="ShowTip(event, 'tt5', 'link86')" onMouseOut="HideTip('tt5')">enabled</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.isCloneEnabled"></a>isCloneEnabled</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.isCloneEnabled = function()</td></tr></table></blockquote><p>Returns <a href="#mxGraphHandler.cloneEnabled" class=LVariable id=link87 onMouseOver="ShowTip(event, 'tt7', 'link87')" onMouseOut="HideTip('tt7')">cloneEnabled</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.setCloneEnabled"></a>setCloneEnabled</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>mxGraphHandler.prototype.setCloneEnabled = function(</td><td class=PParameter nowrap>value</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Sets <a href="#mxGraphHandler.cloneEnabled" class=LVariable id=link88 onMouseOver="ShowTip(event, 'tt7', 'link88')" onMouseOut="HideTip('tt7')">cloneEnabled</a>.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>value</td><td class=CDLDescription>Boolean that specifies the new clone enabled state.</td></tr></table></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.isMoveEnabled"></a>isMoveEnabled</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.isMoveEnabled = function()</td></tr></table></blockquote><p>Returns <a href="#mxGraphHandler.moveEnabled" class=LVariable id=link89 onMouseOver="ShowTip(event, 'tt8', 'link89')" onMouseOut="HideTip('tt8')">moveEnabled</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.setMoveEnabled"></a>setMoveEnabled</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>mxGraphHandler.prototype.setMoveEnabled = function(</td><td class=PParameter nowrap>value</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Sets <a href="#mxGraphHandler.moveEnabled" class=LVariable id=link90 onMouseOver="ShowTip(event, 'tt8', 'link90')" onMouseOut="HideTip('tt8')">moveEnabled</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.isSelectEnabled"></a>isSelectEnabled</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.isSelectEnabled = function()</td></tr></table></blockquote><p>Returns <a href="#mxGraphHandler.selectEnabled" class=LVariable id=link91 onMouseOver="ShowTip(event, 'tt15', 'link91')" onMouseOut="HideTip('tt15')">selectEnabled</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.setSelectEnabled"></a>setSelectEnabled</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>mxGraphHandler.prototype.setSelectEnabled = function(</td><td class=PParameter nowrap>value</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Sets <a href="#mxGraphHandler.selectEnabled" class=LVariable id=link92 onMouseOver="ShowTip(event, 'tt15', 'link92')" onMouseOut="HideTip('tt15')">selectEnabled</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.isRemoveCellsFromParent"></a>isRemoveCellsFromParent</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.isRemoveCellsFromParent = function()</td></tr></table></blockquote><p>Returns <a href="#mxGraphHandler.removeCellsFromParent" class=LVariable id=link93 onMouseOver="ShowTip(event, 'tt16', 'link93')" onMouseOut="HideTip('tt16')">removeCellsFromParent</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.setRemoveCellsFromParent"></a>setRemoveCellsFromParent</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>mxGraphHandler.prototype.setRemoveCellsFromParent = function(</td><td class=PParameter nowrap>value</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Sets <a href="#mxGraphHandler.removeCellsFromParent" class=LVariable id=link94 onMouseOver="ShowTip(event, 'tt16', 'link94')" onMouseOut="HideTip('tt16')">removeCellsFromParent</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.getInitialCellForEvent"></a>getInitialCellForEvent</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>mxGraphHandler.prototype.getInitialCellForEvent = function(</td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Hook to return initial cell for the given event.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.isDelayedSelection"></a>isDelayedSelection</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>mxGraphHandler.prototype.isDelayedSelection = function(</td><td class=PParameter nowrap>cell</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Hook to return true for delayed selections.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.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>mxGraphHandler.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 by selecing the given cell and creating a handle for it.&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="mxGraphHandler.getGuideStates"></a>getGuideStates</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.getGuideStates = function()</td></tr></table></blockquote><p>Creates an array of cell states which should be used as guides.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.getCells"></a>getCells</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>mxGraphHandler.prototype.getCells = function(</td><td class=PParameter nowrap>initialCell</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns the cells to be modified by this handler.&nbsp; This implementation returns all selection cells that are movable, or the given initial cell if the given cell is not selected and movable.&nbsp; This handles the case of moving unselectable or unselected cells.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>initialCell</td><td class=CDLDescription><a href="../model/mxCell-js.html#mxCell" class=LClass id=link95 onMouseOver="ShowTip(event, 'tt45', 'link95')" onMouseOut="HideTip('tt45')">mxCell</a> that triggered this handler.</td></tr></table></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.getPreviewBounds"></a>getPreviewBounds</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>mxGraphHandler.prototype.getPreviewBounds = function(</td><td class=PParameter nowrap>cells</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns the <a href="../util/mxRectangle-js.html#mxRectangle" class=LClass id=link96 onMouseOver="ShowTip(event, 'tt42', 'link96')" onMouseOut="HideTip('tt42')">mxRectangle</a> used as the preview bounds for moving the given cells.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.getBoundingBox"></a>getBoundingBox</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>mxGraphHandler.prototype.getBoundingBox = function(</td><td class=PParameter nowrap>cells</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns the union of the <a href="../view/mxCellState-js.html#mxCellState" class=LClass id=link97 onMouseOver="ShowTip(event, 'tt44', 'link97')" onMouseOut="HideTip('tt44')">mxCellStates</a> for the given array of <a href="../model/mxCell-js.html#mxCell" class=LClass id=link98 onMouseOver="ShowTip(event, 'tt45', 'link98')" onMouseOut="HideTip('tt45')">mxCells</a>.&nbsp; For vertices, this method uses the bounding box of the corresponding shape if one exists.&nbsp; The bounding box of the corresponding text label and all controls and overlays are ignored.&nbsp; See also: <a href="../view/mxGraphView-js.html#mxGraphView.getBounds" class=LFunction id=link99 onMouseOver="ShowTip(event, 'tt70', 'link99')" onMouseOut="HideTip('tt70')">mxGraphView.getBounds</a>.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>cells</td><td class=CDLDescription>Array of <a href="../model/mxCell-js.html#mxCell" class=LClass id=link100 onMouseOver="ShowTip(event, 'tt45', 'link100')" onMouseOut="HideTip('tt45')">mxCells</a> whose bounding box should be returned.</td></tr></table></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.createPreviewShape"></a>createPreviewShape</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>mxGraphHandler.prototype.createPreviewShape = 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 preview for the given bounds.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.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>mxGraphHandler.prototype.start = function(</td><td class=PParameter nowrap>cell,</td></tr><tr><td></td><td class=PParameter nowrap>x,</td></tr><tr><td></td><td class=PParameter nowrap>y</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Starts the handling of the mouse gesture.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.useGuidesForEvent"></a>useGuidesForEvent</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>mxGraphHandler.prototype.useGuidesForEvent = function(</td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns true if the guides should be used for the given <a href="../util/mxMouseEvent-js.html#mxMouseEvent" class=LClass id=link101 onMouseOver="ShowTip(event, 'tt49', 'link101')" onMouseOut="HideTip('tt49')">mxMouseEvent</a>.&nbsp; This implementation returns <a href="../util/mxGuide-js.html#mxGuide.isEnabledForEvent" class=LFunction id=link102 onMouseOver="ShowTip(event, 'tt71', 'link102')" onMouseOut="HideTip('tt71')">mxGuide.isEnabledForEvent</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.snap"></a>snap</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>mxGraphHandler.prototype.snap = function(</td><td class=PParameter nowrap>vector</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Snaps the given vector to the grid and returns the given mxPoint instance.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.getDelta"></a>getDelta</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>mxGraphHandler.prototype.getDelta = function(</td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns an <a href="../util/mxPoint-js.html#mxPoint" class=LClass id=link103 onMouseOver="ShowTip(event, 'tt52', 'link103')" onMouseOut="HideTip('tt52')">mxPoint</a> that represents the vector for moving the cells for the given <a href="../util/mxMouseEvent-js.html#mxMouseEvent" class=LClass id=link104 onMouseOver="ShowTip(event, 'tt49', 'link104')" onMouseOut="HideTip('tt49')">mxMouseEvent</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.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>mxGraphHandler.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="mxGraphHandler.removeHint"></a>removeHint</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.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="mxGraphHandler.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>mxGraphHandler.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 vector.&nbsp; This uses Math.round.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.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>mxGraphHandler.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 highlighting possible drop targets and updating the preview.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.updatePreviewShape"></a>updatePreviewShape</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.updatePreviewShape = function()</td></tr></table></blockquote><p>Updates the bounds of the preview shape.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.setHighlightColor"></a>setHighlightColor</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>mxGraphHandler.prototype.setHighlightColor = function(</td><td class=PParameter nowrap>color</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Sets the color of the rectangle used to highlight drop targets.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>color</td><td class=CDLDescription>String that represents the new highlight color.</td></tr></table></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.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>mxGraphHandler.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 selection cells.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.selectDelayed"></a>selectDelayed</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>mxGraphHandler.prototype.selectDelayed = function(</td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Implements the delayed selection for the given mouse event.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.reset"></a>reset</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.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="mxGraphHandler.shouldRemoveCellsFromParent"></a>shouldRemoveCellsFromParent</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>mxGraphHandler.prototype.shouldRemoveCellsFromParent = function(</td><td class=PParameter nowrap>parent,</td></tr><tr><td></td><td class=PParameter nowrap>cells,</td></tr><tr><td></td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns true if the given cells should be removed from the parent for the specified mousereleased event.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.moveCells"></a>moveCells</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>mxGraphHandler.prototype.moveCells = function(</td><td class=PParameter nowrap>cells,</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>clone,</td></tr><tr><td></td><td class=PParameter nowrap>target,</td></tr><tr><td></td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Moves the given cells by the specified amount.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.destroyShapes"></a>destroyShapes</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.destroyShapes = function()</td></tr></table></blockquote><p>Destroy the preview and highlight shapes.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.destroy"></a>destroy</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.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 mxGraphHandler(</td><td class=PParameter nowrap>graph</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Constructs an event handler that creates handles for the selection cells.</div></div><div class=CToolTip id="tt2"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.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>mxGraphHandler.prototype.maxCells</td></tr></table></blockquote>Defines the maximum number of cells to paint subhandles for. </div></div><div class=CToolTip id="tt5"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.enabled</td></tr></table></blockquote>Specifies if events are handled. </div></div><div class=CToolTip id="tt6"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.highlightEnabled</td></tr></table></blockquote>Specifies if drop targets under the mouse should be enabled. </div></div><div class=CToolTip id="tt7"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.cloneEnabled</td></tr></table></blockquote>Specifies if cloning by control-drag is enabled. </div></div><div class=CToolTip id="tt8"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.moveEnabled</td></tr></table></blockquote>Specifies if moving is enabled. </div></div><div class=CToolTip id="tt9"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.guidesEnabled</td></tr></table></blockquote>Specifies if other cells should be used for snapping the right, center or left side of the current selection. </div></div><div class=CToolTip id="tt10"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.guide</td></tr></table></blockquote>Holds the mxGuide instance that is used for alignment.</div></div><div class=CToolTip id="tt11"><div class=CClass>Implements the alignment of selection cells to other cells in the graph.</div></div><div class=CToolTip id="tt12"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.currentDx</td></tr></table></blockquote>Stores the x-coordinate of the current mouse move.</div></div><div class=CToolTip id="tt13"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.currentDy</td></tr></table></blockquote>Stores the y-coordinate of the current mouse move.</div></div><div class=CToolTip id="tt14"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.updateCursor</td></tr></table></blockquote>Specifies if a move cursor should be shown if the mouse is over a movable cell. </div></div><div class=CToolTip id="tt15"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.selectEnabled</td></tr></table></blockquote>Specifies if selecting is enabled. </div></div><div class=CToolTip id="tt16"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.removeCellsFromParent</td></tr></table></blockquote>Specifies if cells may be moved out of their parents. </div></div><div class=CToolTip id="tt17"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.connectOnDrop</td></tr></table></blockquote>Specifies if drop events are interpreted as new connections if no other drop action is defined. </div></div><div class=CToolTip id="tt18"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.scrollOnMove</td></tr></table></blockquote>Specifies if the view should be scrolled so that a moved cell is visible. </div></div><div class=CToolTip id="tt19"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.minimumSize</td></tr></table></blockquote>Specifies the minimum number of pixels for the width and height of a selection border. </div></div><div class=CToolTip id="tt20"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.previewColor</td></tr></table></blockquote>Specifies the color of the preview shape. </div></div><div class=CToolTip id="tt21"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.htmlPreview</td></tr></table></blockquote>Specifies if the graph container should be used for preview. </div></div><div class=CToolTip id="tt22"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.shape</td></tr></table></blockquote>Reference to the mxShape that represents the preview.</div></div><div class=CToolTip id="tt23"><div class=CClass>Base class for all shapes. </div></div><div class=CToolTip id="tt24"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.scaleGrid</td></tr></table></blockquote>Specifies if the grid should be scaled. </div></div><div class=CToolTip id="tt25"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.rotationEnabled</td></tr></table></blockquote>Specifies if the bounding box should allow for rotation. </div></div><div class=CToolTip id="tt26"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.isEnabled = function()</td></tr></table></blockquote>Returns enabled.</div></div><div class=CToolTip id="tt27"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxGraphHandler.prototype.setEnabled = function(</td><td class=PParameter nowrap>value</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Sets enabled.</div></div><div class=CToolTip id="tt28"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.isCloneEnabled = function()</td></tr></table></blockquote>Returns cloneEnabled.</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>mxGraphHandler.prototype.setCloneEnabled = function(</td><td class=PParameter nowrap>value</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Sets cloneEnabled.</div></div><div class=CToolTip id="tt30"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.isMoveEnabled = function()</td></tr></table></blockquote>Returns moveEnabled.</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>mxGraphHandler.prototype.setMoveEnabled = function(</td><td class=PParameter nowrap>value</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Sets moveEnabled.</div></div><div class=CToolTip id="tt32"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.isSelectEnabled = function()</td></tr></table></blockquote>Returns selectEnabled.</div></div><div class=CToolTip id="tt33"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxGraphHandler.prototype.setSelectEnabled = function(</td><td class=PParameter nowrap>value</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Sets selectEnabled.</div></div><div class=CToolTip id="tt34"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.isRemoveCellsFromParent = function()</td></tr></table></blockquote>Returns removeCellsFromParent.</div></div><div class=CToolTip id="tt35"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxGraphHandler.prototype.setRemoveCellsFromParent = function(</td><td class=PParameter nowrap>value</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Sets removeCellsFromParent.</div></div><div class=CToolTip id="tt36"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxGraphHandler.prototype.getInitialCellForEvent = function(</td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Hook to return initial cell for the given event.</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>mxGraphHandler.prototype.isDelayedSelection = function(</td><td class=PParameter nowrap>cell</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Hook to return true for delayed selections.</div></div><div class=CToolTip id="tt38"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxGraphHandler.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 by selecing the given cell and creating a handle for it. </div></div><div class=CToolTip id="tt39"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.getGuideStates = function()</td></tr></table></blockquote>Creates an array of cell states which should be used as guides.</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>mxGraphHandler.prototype.getCells = function(</td><td class=PParameter nowrap>initialCell</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns the cells to be modified by this handler. </div></div><div class=CToolTip id="tt41"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxGraphHandler.prototype.getPreviewBounds = function(</td><td class=PParameter nowrap>cells</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns the mxRectangle used as the preview bounds for moving the given cells.</div></div><div class=CToolTip id="tt42"><div class=CClass>Extends mxPoint to implement a 2-dimensional rectangle with double precision coordinates.</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>mxGraphHandler.prototype.getBoundingBox = function(</td><td class=PParameter nowrap>cells</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns the union of the mxCellStates for the given array of mxCells. </div></div><div class=CToolTip id="tt44"><div class=CClass>Represents the current state of a cell in a given mxGraphView.</div></div><div class=CToolTip id="tt45"><div class=CClass>Cells are the elements of the graph model. </div></div><div class=CToolTip id="tt46"><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>mxGraphHandler.prototype.createPreviewShape = 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 preview for the given bounds.</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>mxGraphHandler.prototype.start = function(</td><td class=PParameter nowrap>cell,</td></tr><tr><td></td><td class=PParameter nowrap>x,</td></tr><tr><td></td><td class=PParameter nowrap>y</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Starts the handling of the mouse gesture.</div></div><div class=CToolTip id="tt48"><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>mxGraphHandler.prototype.useGuidesForEvent = function(</td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns true if the guides should be used for the given mxMouseEvent. </div></div><div class=CToolTip id="tt49"><div class=CClass>Base class for all mouse events in mxGraph. </div></div><div class=CToolTip id="tt50"><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>mxGraphHandler.prototype.snap = function(</td><td class=PParameter nowrap>vector</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Snaps the given vector to the grid and returns the given mxPoint instance.</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>mxGraphHandler.prototype.getDelta = function(</td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns an mxPoint that represents the vector for moving the cells for the given mxMouseEvent.</div></div><div class=CToolTip id="tt52"><div class=CClass>Implements a 2-dimensional vector with double precision coordinates.</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>mxGraphHandler.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="tt54"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.removeHint = function()</td></tr></table></blockquote>Hooks for subclassers to hide details when the handler gets inactive.</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>mxGraphHandler.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 vector. </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>mxGraphHandler.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 highlighting possible drop targets and updating the preview.</div></div><div class=CToolTip id="tt57"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.updatePreviewShape = function()</td></tr></table></blockquote>Updates the bounds of the preview shape.</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>mxGraphHandler.prototype.setHighlightColor = function(</td><td class=PParameter nowrap>color</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Sets the color of the rectangle used to highlight drop targets.</div></div><div class=CToolTip id="tt59"><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>mxGraphHandler.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 selection cells.</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>mxGraphHandler.prototype.selectDelayed = function(</td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Implements the delayed selection for the given mouse event.</div></div><div class=CToolTip id="tt61"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.reset = function()</td></tr></table></blockquote>Resets the state of this handler.</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>mxGraphHandler.prototype.shouldRemoveCellsFromParent = function(</td><td class=PParameter nowrap>parent,</td></tr><tr><td></td><td class=PParameter nowrap>cells,</td></tr><tr><td></td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns true if the given cells should be removed from the parent for the specified mousereleased event.</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>mxGraphHandler.prototype.moveCells = function(</td><td class=PParameter nowrap>cells,</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>clone,</td></tr><tr><td></td><td class=PParameter nowrap>target,</td></tr><tr><td></td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Moves the given cells by the specified amount.</div></div><div class=CToolTip id="tt64"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.destroyShapes = function()</td></tr></table></blockquote>Destroy the preview and highlight shapes.</div></div><div class=CToolTip id="tt65"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxGraphHandler.prototype.destroy = function()</td></tr></table></blockquote>Destroys the handler and all its resources and DOM nodes.</div></div><div class=CToolTip id="tt66"><div class=CClass>Event handler for resizing cells. </div></div><div class=CToolTip id="tt67"><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="tt68"><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>mxGraphSelectionModel.prototype.cellAdded = function(</td><td class=PParameter nowrap>cell</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Inner callback to add the specified mxCell to the selection. </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.getCellAt = function(</td><td class=PParameter nowrap>x,</td></tr><tr><td></td><td class=PParameter nowrap>y,</td></tr><tr><td></td><td class=PParameter nowrap>parent,</td></tr><tr><td></td><td class=PParameter nowrap>vertices,</td></tr><tr><td></td><td class=PParameter nowrap>edges</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns the bottom-most cell that intersects the given point (x, y) in the cell hierarchy starting at the given parent. </div></div><div class=CToolTip id="tt70"><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>mxGraphView.prototype.getBounds = function(</td><td class=PParameter nowrap>cells</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns the union of all mxCellStates for the given array of mxCells.</div></div><div class=CToolTip id="tt71"><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>mxGuide.prototype.isEnabledForEvent = function(</td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns true if the guide should be enabled for the given native event. </div></div><!--END_ND_TOOLTIPS-->
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