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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=link95 onMouseOver="ShowTip(event, 'tt84', 'link95')" onMouseOut="HideTip('tt84')">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=link96 onMouseOver="ShowTip(event, 'tt85', 'link96')" onMouseOut="HideTip('tt85')">mxGraph.createHandler</a> in <a href="../view/mxGraphSelectionModel-js.html#mxGraphSelectionModel.cellAdded" class=LFunction id=link97 onMouseOver="ShowTip(event, 'tt86', 'link97')" onMouseOut="HideTip('tt86')">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.handlesVisible" id=link10 onMouseOver="ShowTip(event, 'tt10', 'link10')" onMouseOut="HideTip('tt10')">handlesVisible</a></td><td class=SDescription>Whether the handles of the selection are currently visible.</td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.guide" id=link11 onMouseOver="ShowTip(event, 'tt11', 'link11')" onMouseOut="HideTip('tt11')">guide</a></td><td class=SDescription>Holds the <a href="../util/mxGuide-js.html#mxGuide" class=LClass id=link12 onMouseOver="ShowTip(event, 'tt12', 'link12')" onMouseOut="HideTip('tt12')">mxGuide</a> instance that is used for alignment.</td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxGraphHandler.currentDx" id=link13 onMouseOver="ShowTip(event, 'tt13', 'link13')" onMouseOut="HideTip('tt13')">currentDx</a></td><td class=SDescription>Stores the x-coordinate of the current mouse move.</td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.currentDy" id=link14 onMouseOver="ShowTip(event, 'tt14', 'link14')" onMouseOut="HideTip('tt14')">currentDy</a></td><td class=SDescription>Stores the y-coordinate of the current mouse move.</td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxGraphHandler.updateCursor" id=link15 onMouseOver="ShowTip(event, 'tt15', 'link15')" onMouseOut="HideTip('tt15')">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 SMarked"><td class=SEntry><a href="#mxGraphHandler.selectEnabled" id=link16 onMouseOver="ShowTip(event, 'tt16', 'link16')" onMouseOut="HideTip('tt16')">selectEnabled</a></td><td class=SDescription>Specifies if selecting is enabled. </td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxGraphHandler.removeCellsFromParent" id=link17 onMouseOver="ShowTip(event, 'tt17', 'link17')" onMouseOut="HideTip('tt17')">removeCellsFromParent</a></td><td class=SDescription>Specifies if cells may be moved out of their parents. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.removeEmptyParents" id=link18 onMouseOver="ShowTip(event, 'tt18', 'link18')" onMouseOut="HideTip('tt18')">removeEmptyParents</a></td><td class=SDescription>If empty parents should be removed from the model after all child cells have been moved out. </td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxGraphHandler.connectOnDrop" id=link19 onMouseOver="ShowTip(event, 'tt19', 'link19')" onMouseOut="HideTip('tt19')">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=link20 onMouseOver="ShowTip(event, 'tt20', 'link20')" onMouseOut="HideTip('tt20')">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=link21 onMouseOver="ShowTip(event, 'tt21', 'link21')" onMouseOut="HideTip('tt21')">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=link22 onMouseOver="ShowTip(event, 'tt22', 'link22')" onMouseOut="HideTip('tt22')">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=link23 onMouseOver="ShowTip(event, 'tt23', 'link23')" onMouseOut="HideTip('tt23')">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=link24 onMouseOver="ShowTip(event, 'tt24', 'link24')" onMouseOut="HideTip('tt24')">shape</a></td><td class=SDescription>Reference to the <a href="../shape/mxShape-js.html#mxShape" class=LClass id=link25 onMouseOver="ShowTip(event, 'tt25', 'link25')" onMouseOut="HideTip('tt25')">mxShape</a> that represents the preview.</td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxGraphHandler.scaleGrid" id=link26 onMouseOver="ShowTip(event, 'tt26', 'link26')" onMouseOut="HideTip('tt26')">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=link27 onMouseOver="ShowTip(event, 'tt27', 'link27')" onMouseOut="HideTip('tt27')">rotationEnabled</a></td><td class=SDescription>Specifies if the bounding box should allow for rotation. </td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxGraphHandler.maxLivePreview" id=link28 onMouseOver="ShowTip(event, 'tt28', 'link28')" onMouseOut="HideTip('tt28')">maxLivePreview</a></td><td class=SDescription>Maximum number of cells for which live preview should be used. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.allowLivePreview" id=link29 onMouseOver="ShowTip(event, 'tt29', 'link29')" onMouseOut="HideTip('tt29')">allowLivePreview</a></td><td class=SDescription>If live preview is allowed on this system. </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=link30 onMouseOver="ShowTip(event, 'tt30', 'link30')" onMouseOut="HideTip('tt30')">isEnabled</a></td><td class=SDescription>Returns <a href="#mxGraphHandler.enabled" class=LVariable id=link31 onMouseOver="ShowTip(event, 'tt5', 'link31')" onMouseOut="HideTip('tt5')">enabled</a>.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.setEnabled" id=link32 onMouseOver="ShowTip(event, 'tt31', 'link32')" onMouseOut="HideTip('tt31')">setEnabled</a></td><td class=SDescription>Sets <a href="#mxGraphHandler.enabled" class=LVariable id=link33 onMouseOver="ShowTip(event, 'tt5', 'link33')" onMouseOut="HideTip('tt5')">enabled</a>.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.isCloneEnabled" id=link34 onMouseOver="ShowTip(event, 'tt32', 'link34')" onMouseOut="HideTip('tt32')">isCloneEnabled</a></td><td class=SDescription>Returns <a href="#mxGraphHandler.cloneEnabled" class=LVariable id=link35 onMouseOver="ShowTip(event, 'tt7', 'link35')" onMouseOut="HideTip('tt7')">cloneEnabled</a>.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.setCloneEnabled" id=link36 onMouseOver="ShowTip(event, 'tt33', 'link36')" onMouseOut="HideTip('tt33')">setCloneEnabled</a></td><td class=SDescription>Sets <a href="#mxGraphHandler.cloneEnabled" class=LVariable id=link37 onMouseOver="ShowTip(event, 'tt7', 'link37')" onMouseOut="HideTip('tt7')">cloneEnabled</a>.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.isMoveEnabled" id=link38 onMouseOver="ShowTip(event, 'tt34', 'link38')" onMouseOut="HideTip('tt34')">isMoveEnabled</a></td><td class=SDescription>Returns <a href="#mxGraphHandler.moveEnabled" class=LVariable id=link39 onMouseOver="ShowTip(event, 'tt8', 'link39')" onMouseOut="HideTip('tt8')">moveEnabled</a>.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.setMoveEnabled" id=link40 onMouseOver="ShowTip(event, 'tt35', 'link40')" onMouseOut="HideTip('tt35')">setMoveEnabled</a></td><td class=SDescription>Sets <a href="#mxGraphHandler.moveEnabled" class=LVariable id=link41 onMouseOver="ShowTip(event, 'tt8', 'link41')" onMouseOut="HideTip('tt8')">moveEnabled</a>.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.isSelectEnabled" id=link42 onMouseOver="ShowTip(event, 'tt36', 'link42')" onMouseOut="HideTip('tt36')">isSelectEnabled</a></td><td class=SDescription>Returns <a href="#mxGraphHandler.selectEnabled" class=LVariable id=link43 onMouseOver="ShowTip(event, 'tt16', 'link43')" onMouseOut="HideTip('tt16')">selectEnabled</a>.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.setSelectEnabled" id=link44 onMouseOver="ShowTip(event, 'tt37', 'link44')" onMouseOut="HideTip('tt37')">setSelectEnabled</a></td><td class=SDescription>Sets <a href="#mxGraphHandler.selectEnabled" class=LVariable id=link45 onMouseOver="ShowTip(event, 'tt16', 'link45')" onMouseOut="HideTip('tt16')">selectEnabled</a>.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.isRemoveCellsFromParent" id=link46 onMouseOver="ShowTip(event, 'tt38', 'link46')" onMouseOut="HideTip('tt38')">isRemoveCellsFromParent</a></td><td class=SDescription>Returns <a href="#mxGraphHandler.removeCellsFromParent" class=LVariable id=link47 onMouseOver="ShowTip(event, 'tt17', 'link47')" onMouseOut="HideTip('tt17')">removeCellsFromParent</a>.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.setRemoveCellsFromParent" id=link48 onMouseOver="ShowTip(event, 'tt39', 'link48')" onMouseOut="HideTip('tt39')">setRemoveCellsFromParent</a></td><td class=SDescription>Sets <a href="#mxGraphHandler.removeCellsFromParent" class=LVariable id=link49 onMouseOver="ShowTip(event, 'tt17', 'link49')" onMouseOut="HideTip('tt17')">removeCellsFromParent</a>.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.isPropagateSelectionCell" id=link50 onMouseOver="ShowTip(event, 'tt40', 'link50')" onMouseOut="HideTip('tt40')">isPropagateSelectionCell</a></td><td class=SDescription>Returns true if the given cell and parent should propagate selection state to the parent.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.getInitialCellForEvent" id=link51 onMouseOver="ShowTip(event, 'tt41', 'link51')" onMouseOut="HideTip('tt41')">getInitialCellForEvent</a></td><td class=SDescription>Hook to return initial cell for the given event. </td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.isDelayedSelection" id=link52 onMouseOver="ShowTip(event, 'tt42', 'link52')" onMouseOut="HideTip('tt42')">isDelayedSelection</a></td><td class=SDescription>Returns true if the cell or one of its ancestors is selected.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.selectDelayed" id=link53 onMouseOver="ShowTip(event, 'tt43', 'link53')" onMouseOut="HideTip('tt43')">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.consumeMouseEvent" id=link54 onMouseOver="ShowTip(event, 'tt44', 'link54')" onMouseOut="HideTip('tt44')">consumeMouseEvent</a></td><td class=SDescription>Consumes the given mouse event. </td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.mouseDown" id=link55 onMouseOver="ShowTip(event, 'tt45', 'link55')" onMouseOut="HideTip('tt45')">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 SMarked"><td class=SEntry><a href="#mxGraphHandler.getGuideStates" id=link56 onMouseOver="ShowTip(event, 'tt46', 'link56')" onMouseOut="HideTip('tt46')">getGuideStates</a></td><td class=SDescription>Creates an array of cell states which should be used as guides.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.getCells" id=link57 onMouseOver="ShowTip(event, 'tt47', 'link57')" onMouseOut="HideTip('tt47')">getCells</a></td><td class=SDescription>Returns the cells to be modified by this handler. </td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.getPreviewBounds" id=link58 onMouseOver="ShowTip(event, 'tt48', 'link58')" onMouseOut="HideTip('tt48')">getPreviewBounds</a></td><td class=SDescription>Returns the <a href="../util/mxRectangle-js.html#mxRectangle" class=LClass id=link59 onMouseOver="ShowTip(event, 'tt49', 'link59')" onMouseOut="HideTip('tt49')">mxRectangle</a> used as the preview bounds for moving the given cells.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.getBoundingBox" id=link60 onMouseOver="ShowTip(event, 'tt50', 'link60')" onMouseOut="HideTip('tt50')">getBoundingBox</a></td><td class=SDescription>Returns the union of the <a href="../view/mxCellState-js.html#mxCellState" class=LClass id=link61 onMouseOver="ShowTip(event, 'tt51', 'link61')" onMouseOut="HideTip('tt51')">mxCellStates</a> for the given array of <a href="../model/mxCell-js.html#mxCell" class=LClass id=link62 onMouseOver="ShowTip(event, 'tt52', 'link62')" onMouseOut="HideTip('tt52')">mxCells</a>. </td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.createPreviewShape" id=link63 onMouseOver="ShowTip(event, 'tt53', 'link63')" onMouseOut="HideTip('tt53')">createPreviewShape</a></td><td class=SDescription>Creates the shape used to draw the preview for the given bounds.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.start" id=link64 onMouseOver="ShowTip(event, 'tt54', 'link64')" onMouseOut="HideTip('tt54')">start</a></td><td class=SDescription>Starts the handling of the mouse gesture.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.addStates" id=link65 onMouseOver="ShowTip(event, 'tt55', 'link65')" onMouseOut="HideTip('tt55')">addStates</a></td><td class=SDescription>Adds the states for the given cell recursively to the given dictionary.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.isCellMoving" id=link66 onMouseOver="ShowTip(event, 'tt56', 'link66')" onMouseOut="HideTip('tt56')">isCellMoving</a></td><td class=SDescription>Returns true if the given cell is currently being moved.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.useGuidesForEvent" id=link67 onMouseOver="ShowTip(event, 'tt57', 'link67')" onMouseOut="HideTip('tt57')">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=link68 onMouseOver="ShowTip(event, 'tt58', 'link68')" onMouseOut="HideTip('tt58')">mxMouseEvent</a>. </td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.snap" id=link69 onMouseOver="ShowTip(event, 'tt59', 'link69')" onMouseOut="HideTip('tt59')">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 SMarked"><td class=SEntry><a href="#mxGraphHandler.getDelta" id=link70 onMouseOver="ShowTip(event, 'tt60', 'link70')" onMouseOut="HideTip('tt60')">getDelta</a></td><td class=SDescription>Returns an <a href="../util/mxPoint-js.html#mxPoint" class=LClass id=link71 onMouseOver="ShowTip(event, 'tt61', 'link71')" onMouseOut="HideTip('tt61')">mxPoint</a> that represents the vector for moving the cells for the given <a href="../util/mxMouseEvent-js.html#mxMouseEvent" class=LClass id=link72 onMouseOver="ShowTip(event, 'tt58', 'link72')" onMouseOut="HideTip('tt58')">mxMouseEvent</a>.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.updateHint" id=link73 onMouseOver="ShowTip(event, 'tt62', 'link73')" onMouseOut="HideTip('tt62')">updateHint</a></td><td class=SDescription>Hook for subclassers do show details while the handler is active.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.removeHint" id=link74 onMouseOver="ShowTip(event, 'tt63', 'link74')" onMouseOut="HideTip('tt63')">removeHint</a></td><td class=SDescription>Hooks for subclassers to hide details when the handler gets inactive.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.roundLength" id=link75 onMouseOver="ShowTip(event, 'tt64', 'link75')" onMouseOut="HideTip('tt64')">roundLength</a></td><td class=SDescription>Hook for rounding the unscaled vector. </td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.isValidDropTarget" id=link76 onMouseOver="ShowTip(event, 'tt65', 'link76')" onMouseOut="HideTip('tt65')">isValidDropTarget</a></td><td class=SDescription>Returns true if the given cell is a valid drop target.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.checkPreview" id=link77 onMouseOver="ShowTip(event, 'tt66', 'link77')" onMouseOut="HideTip('tt66')">checkPreview</a></td><td class=SDescription>Updates the preview if cloning state has changed.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.mouseMove" id=link78 onMouseOver="ShowTip(event, 'tt67', 'link78')" onMouseOut="HideTip('tt67')">mouseMove</a></td><td class=SDescription>Handles the event by highlighting possible drop targets and updating the preview.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.updatePreview" id=link79 onMouseOver="ShowTip(event, 'tt68', 'link79')" onMouseOut="HideTip('tt68')">updatePreview</a></td><td class=SDescription>Updates the bounds of the preview shape.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.updatePreviewShape" id=link80 onMouseOver="ShowTip(event, 'tt69', 'link80')" onMouseOut="HideTip('tt69')">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.updateLivePreview" id=link81 onMouseOver="ShowTip(event, 'tt70', 'link81')" onMouseOut="HideTip('tt70')">updateLivePreview</a></td><td class=SDescription>Updates the bounds of the preview shape.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.redrawHandles" id=link82 onMouseOver="ShowTip(event, 'tt71', 'link82')" onMouseOut="HideTip('tt71')">redrawHandles</a></td><td class=SDescription>Redraws the preview shape for the given states array.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.resetPreviewStates" id=link83 onMouseOver="ShowTip(event, 'tt72', 'link83')" onMouseOut="HideTip('tt72')">resetPreviewStates</a></td><td class=SDescription>Resets the given preview states array.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.suspend" id=link84 onMouseOver="ShowTip(event, 'tt73', 'link84')" onMouseOut="HideTip('tt73')">suspend</a></td><td class=SDescription>Suspends the livew preview.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.resume" id=link85 onMouseOver="ShowTip(event, 'tt74', 'link85')" onMouseOut="HideTip('tt74')">resume</a></td><td class=SDescription>Suspends the livew preview.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.resetLivePreview" id=link86 onMouseOver="ShowTip(event, 'tt75', 'link86')" onMouseOut="HideTip('tt75')">resetLivePreview</a></td><td class=SDescription>Resets the livew preview.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.reset" >reset</a></td><td class=SDescription>Resets the state of this handler.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.setHighlightColor" id=link87 onMouseOver="ShowTip(event, 'tt76', 'link87')" onMouseOut="HideTip('tt76')">setHighlightColor</a></td><td class=SDescription>Sets the color of the rectangle used to highlight drop targets.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.mouseUp" id=link88 onMouseOver="ShowTip(event, 'tt77', 'link88')" onMouseOut="HideTip('tt77')">mouseUp</a></td><td class=SDescription>Handles the event by applying the changes to the selection cells.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.reset" id=link89 onMouseOver="ShowTip(event, 'tt78', 'link89')" onMouseOut="HideTip('tt78')">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=link90 onMouseOver="ShowTip(event, 'tt79', 'link90')" onMouseOut="HideTip('tt79')">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=link91 onMouseOver="ShowTip(event, 'tt80', 'link91')" onMouseOut="HideTip('tt80')">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.shouldRemoveParent" id=link92 onMouseOver="ShowTip(event, 'tt81', 'link92')" onMouseOut="HideTip('tt81')">shouldRemoveParent</a></td><td class=SDescription>Returns true if the given parent should be removed after removal of child cells.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxGraphHandler.destroyShapes" id=link93 onMouseOver="ShowTip(event, 'tt82', 'link93')" onMouseOut="HideTip('tt82')">destroyShapes</a></td><td class=SDescription>Destroy the preview and highlight shapes.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxGraphHandler.destroy" id=link94 onMouseOver="ShowTip(event, 'tt83', 'link94')" onMouseOut="HideTip('tt83')">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"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>function mxGraphHandler(</td><td class="PParameter prettyprint " nowrap>graph</td><td class="PAfterParameters prettyprint "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=link98 onMouseOver="ShowTip(event, 'tt3', 'link98')" 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"><tr><td class="prettyprint">mxGraphHandler.prototype.graph</td></tr></table></blockquote><p>Reference to the enclosing <a href="../view/mxGraph-js.html#mxGraph" class=LClass id=link99 onMouseOver="ShowTip(event, 'tt3', 'link99')" 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"><tr><td class="prettyprint">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"><tr><td class="prettyprint">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"><tr><td class="prettyprint">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"><tr><td class="prettyprint">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"><tr><td class="prettyprint">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"><tr><td class="prettyprint">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.handlesVisible"></a>handlesVisible</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraphHandler.prototype.handlesVisible</td></tr></table></blockquote><p>Whether the handles of the selection are currently visible.</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"><tr><td class="prettyprint">mxGraphHandler.prototype.guide</td></tr></table></blockquote><p>Holds the <a href="../util/mxGuide-js.html#mxGuide" class=LClass id=link100 onMouseOver="ShowTip(event, 'tt12', 'link100')" onMouseOut="HideTip('tt12')">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"><tr><td class="prettyprint">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"><tr><td class="prettyprint">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"><tr><td class="prettyprint">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"><tr><td class="prettyprint">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"><tr><td class="prettyprint">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.removeEmptyParents"></a>removeEmptyParents</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraphHandler.prototype.removeEmptyParents</td></tr></table></blockquote><p>If empty parents should be removed from the model after all child cells have been moved out.&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"><tr><td class="prettyprint">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"><tr><td class="prettyprint">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"><tr><td class="prettyprint">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"><tr><td class="prettyprint">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"><tr><td class="prettyprint">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=link101 onMouseOver="ShowTip(event, 'tt87', 'link101')" onMouseOut="HideTip('tt87')">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"><tr><td class="prettyprint">mxGraphHandler.prototype.shape</td></tr></table></blockquote><p>Reference to the <a href="../shape/mxShape-js.html#mxShape" class=LClass id=link102 onMouseOver="ShowTip(event, 'tt25', 'link102')" onMouseOut="HideTip('tt25')">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"><tr><td class="prettyprint">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"><tr><td class="prettyprint">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="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.maxLivePreview"></a>maxLivePreview</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraphHandler.prototype.maxLivePreview</td></tr></table></blockquote><p>Maximum number of cells for which live preview should be used.&nbsp; Default is 0 which means no live preview.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.allowLivePreview"></a>allowLivePreview</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraphHandler.prototype.allowLivePreview</td></tr></table></blockquote><p>If live preview is allowed on this system.&nbsp; Default is true for systems with SVG support.</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"><tr><td class="prettyprint">mxGraphHandler.prototype.isEnabled = function()</td></tr></table></blockquote><p>Returns <a href="#mxGraphHandler.enabled" class=LVariable id=link103 onMouseOver="ShowTip(event, 'tt5', 'link103')" 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"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.setEnabled = function(</td><td class="PParameter prettyprint " nowrap>value</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Sets <a href="#mxGraphHandler.enabled" class=LVariable id=link104 onMouseOver="ShowTip(event, 'tt5', 'link104')" 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"><tr><td class="prettyprint">mxGraphHandler.prototype.isCloneEnabled = function()</td></tr></table></blockquote><p>Returns <a href="#mxGraphHandler.cloneEnabled" class=LVariable id=link105 onMouseOver="ShowTip(event, 'tt7', 'link105')" 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"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.setCloneEnabled = function(</td><td class="PParameter prettyprint " nowrap>value</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Sets <a href="#mxGraphHandler.cloneEnabled" class=LVariable id=link106 onMouseOver="ShowTip(event, 'tt7', 'link106')" 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"><tr><td class="prettyprint">mxGraphHandler.prototype.isMoveEnabled = function()</td></tr></table></blockquote><p>Returns <a href="#mxGraphHandler.moveEnabled" class=LVariable id=link107 onMouseOver="ShowTip(event, 'tt8', 'link107')" 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"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.setMoveEnabled = function(</td><td class="PParameter prettyprint " nowrap>value</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Sets <a href="#mxGraphHandler.moveEnabled" class=LVariable id=link108 onMouseOver="ShowTip(event, 'tt8', 'link108')" 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"><tr><td class="prettyprint">mxGraphHandler.prototype.isSelectEnabled = function()</td></tr></table></blockquote><p>Returns <a href="#mxGraphHandler.selectEnabled" class=LVariable id=link109 onMouseOver="ShowTip(event, 'tt16', 'link109')" onMouseOut="HideTip('tt16')">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"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.setSelectEnabled = function(</td><td class="PParameter prettyprint " nowrap>value</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Sets <a href="#mxGraphHandler.selectEnabled" class=LVariable id=link110 onMouseOver="ShowTip(event, 'tt16', 'link110')" onMouseOut="HideTip('tt16')">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"><tr><td class="prettyprint">mxGraphHandler.prototype.isRemoveCellsFromParent = function()</td></tr></table></blockquote><p>Returns <a href="#mxGraphHandler.removeCellsFromParent" class=LVariable id=link111 onMouseOver="ShowTip(event, 'tt17', 'link111')" onMouseOut="HideTip('tt17')">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"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.setRemoveCellsFromParent = function(</td><td class="PParameter prettyprint " nowrap>value</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Sets <a href="#mxGraphHandler.removeCellsFromParent" class=LVariable id=link112 onMouseOver="ShowTip(event, 'tt17', 'link112')" onMouseOut="HideTip('tt17')">removeCellsFromParent</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.isPropagateSelectionCell"></a>isPropagateSelectionCell</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.isPropagateSelectionCell = function(</td><td class="PParameter prettyprint " nowrap>cell,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>immediate,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>me</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns true if the given cell and parent should propagate selection state to the parent.</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"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.getInitialCellForEvent = function(</td><td class="PParameter prettyprint " nowrap>me</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Hook to return initial cell for the given event.&nbsp; This returns the topmost cell that is not a swimlane or is selected.</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"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.isDelayedSelection = function(</td><td class="PParameter prettyprint " nowrap>cell,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>me</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns true if the cell or one of its ancestors is selected.</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"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.selectDelayed = function(</td><td class="PParameter prettyprint " nowrap>me</td><td class="PAfterParameters prettyprint "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.consumeMouseEvent"></a>consumeMouseEvent</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.consumeMouseEvent = function(</td><td class="PParameter prettyprint " nowrap>evtName,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>me</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Consumes the given mouse event.&nbsp; NOTE: This may be used to enable click events for links in labels on iOS as follows as consuming the initial touchStart disables firing the subsequent click event on the link.</p><p>&lt;code&gt; mxGraphHandler.prototype.consumeMouseEvent = function(evtName, me) { var source = mxEvent.getSource(me.getEvent());</p><p>if (!mxEvent.isTouchEvent(me.getEvent()) || source.nodeName != &lsquo;A&rsquo;) { me.consume(); } } &lt;/code&gt;</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"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.mouseDown = function(</td><td class="PParameter prettyprint " nowrap>sender,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>me</td><td class="PAfterParameters prettyprint "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"><tr><td class="prettyprint">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"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.getCells = function(</td><td class="PParameter prettyprint " nowrap>initialCell</td><td class="PAfterParameters prettyprint "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=link113 onMouseOver="ShowTip(event, 'tt52', 'link113')" onMouseOut="HideTip('tt52')">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"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.getPreviewBounds = function(</td><td class="PParameter prettyprint " nowrap>cells</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns the <a href="../util/mxRectangle-js.html#mxRectangle" class=LClass id=link114 onMouseOver="ShowTip(event, 'tt49', 'link114')" onMouseOut="HideTip('tt49')">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"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.getBoundingBox = function(</td><td class="PParameter prettyprint " nowrap>cells</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns the union of the <a href="../view/mxCellState-js.html#mxCellState" class=LClass id=link115 onMouseOver="ShowTip(event, 'tt51', 'link115')" onMouseOut="HideTip('tt51')">mxCellStates</a> for the given array of <a href="../model/mxCell-js.html#mxCell" class=LClass id=link116 onMouseOver="ShowTip(event, 'tt52', 'link116')" onMouseOut="HideTip('tt52')">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=link117 onMouseOver="ShowTip(event, 'tt88', 'link117')" onMouseOut="HideTip('tt88')">mxGraphView.getBounds</a> and <a href="../view/mxGraph-js.html#mxGraph.getBoundingBox" class=LFunction id=link118 onMouseOver="ShowTip(event, 'tt89', 'link118')" onMouseOut="HideTip('tt89')">mxGraph.getBoundingBox</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=link119 onMouseOver="ShowTip(event, 'tt52', 'link119')" onMouseOut="HideTip('tt52')">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"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.createPreviewShape = function(</td><td class="PParameter prettyprint " nowrap>bounds</td><td class="PAfterParameters prettyprint "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"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.start = function(</td><td class="PParameter prettyprint " nowrap>cell,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>y,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>cells</td><td class="PAfterParameters prettyprint "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.addStates"></a>addStates</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.addStates = function(</td><td class="PParameter prettyprint " nowrap>cell,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>dict</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Adds the states for the given cell recursively to the given dictionary.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.isCellMoving"></a>isCellMoving</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.isCellMoving = function(</td><td class="PParameter prettyprint " nowrap>cell</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns true if the given cell is currently being moved.</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"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.useGuidesForEvent = function(</td><td class="PParameter prettyprint " nowrap>me</td><td class="PAfterParameters prettyprint "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=link120 onMouseOver="ShowTip(event, 'tt58', 'link120')" onMouseOut="HideTip('tt58')">mxMouseEvent</a>.&nbsp; This implementation returns <a href="../util/mxGuide-js.html#mxGuide.isEnabledForEvent" class=LFunction id=link121 onMouseOver="ShowTip(event, 'tt90', 'link121')" onMouseOut="HideTip('tt90')">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"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.snap = function(</td><td class="PParameter prettyprint " nowrap>vector</td><td class="PAfterParameters prettyprint "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"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.getDelta = function(</td><td class="PParameter prettyprint " nowrap>me</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns an <a href="../util/mxPoint-js.html#mxPoint" class=LClass id=link122 onMouseOver="ShowTip(event, 'tt61', 'link122')" onMouseOut="HideTip('tt61')">mxPoint</a> that represents the vector for moving the cells for the given <a href="../util/mxMouseEvent-js.html#mxMouseEvent" class=LClass id=link123 onMouseOver="ShowTip(event, 'tt58', 'link123')" onMouseOut="HideTip('tt58')">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"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.updateHint = function(</td><td class="PParameter prettyprint " nowrap>me</td><td class="PAfterParameters prettyprint "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"><tr><td class="prettyprint">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"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.roundLength = function(</td><td class="PParameter prettyprint " nowrap>length</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Hook for rounding the unscaled vector.&nbsp; Allows for half steps in the raster so numbers coming in should be rounded if no half steps are allowed (ie for non aligned standard moving where pixel steps should be preferred).</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.isValidDropTarget"></a>isValidDropTarget</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.isValidDropTarget = function(</td><td class="PParameter prettyprint " nowrap>target,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>me</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns true if the given cell is a valid drop target.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.checkPreview"></a>checkPreview</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraphHandler.prototype.checkPreview = function()</td></tr></table></blockquote><p>Updates the preview if cloning state has changed.</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"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.mouseMove = function(</td><td class="PParameter prettyprint " nowrap>sender,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>me</td><td class="PAfterParameters prettyprint "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.updatePreview"></a>updatePreview</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.updatePreview = function(</td><td class="PParameter prettyprint " nowrap>remote</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></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.updatePreviewShape"></a>updatePreviewShape</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">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.updateLivePreview"></a>updateLivePreview</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.updateLivePreview = function(</td><td class="PParameter prettyprint " nowrap>dx,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>dy</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></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.redrawHandles"></a>redrawHandles</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.redrawHandles = function(</td><td class="PParameter prettyprint " nowrap>states</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Redraws the preview shape for the given states array.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.resetPreviewStates"></a>resetPreviewStates</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.resetPreviewStates = function(</td><td class="PParameter prettyprint " nowrap>states</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Resets the given preview states array.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.suspend"></a>suspend</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraphHandler.prototype.suspend = function()</td></tr></table></blockquote><p>Suspends the livew preview.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.resume"></a>resume</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraphHandler.prototype.resume = function()</td></tr></table></blockquote><p>Suspends the livew preview.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.resetLivePreview"></a>resetLivePreview</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraphHandler.prototype.resetLivePreview = function()</td></tr></table></blockquote><p>Resets the livew preview.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxGraphHandler.reset"></a>reset</h3><div class=CBody><p>Resets the state of this handler.</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"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.setHighlightColor = function(</td><td class="PParameter prettyprint " nowrap>color</td><td class="PAfterParameters prettyprint "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"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.mouseUp = function(</td><td class="PParameter prettyprint " nowrap>sender,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>me</td><td class="PAfterParameters prettyprint "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.reset"></a>reset</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">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"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.shouldRemoveCellsFromParent = function(</td><td class="PParameter prettyprint " nowrap>parent,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>cells,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>evt</td><td class="PAfterParameters prettyprint "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"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.moveCells = function(</td><td class="PParameter prettyprint " nowrap>cells,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>dx,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>dy,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>clone,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>target,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>evt</td><td class="PAfterParameters prettyprint "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.shouldRemoveParent"></a>shouldRemoveParent</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.shouldRemoveParent = function(</td><td class="PParameter prettyprint " nowrap>parent</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns true if the given parent should be removed after removal of child cells.</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"><tr><td class="prettyprint">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"><tr><td class="prettyprint">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"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>function mxGraphHandler(</td><td class="PParameter prettyprint " nowrap>graph</td><td class="PAfterParameters prettyprint "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"><tr><td class="prettyprint">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"><tr><td class="prettyprint">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"><tr><td class="prettyprint">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"><tr><td class="prettyprint">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"><tr><td class="prettyprint">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"><tr><td class="prettyprint">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"><tr><td class="prettyprint">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"><tr><td class="prettyprint">mxGraphHandler.prototype.handlesVisible</td></tr></table></blockquote>Whether the handles of the selection are currently visible.</div></div><div class=CToolTip id="tt11"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraphHandler.prototype.guide</td></tr></table></blockquote>Holds the mxGuide instance that is used for alignment.</div></div><div class=CToolTip id="tt12"><div class=CClass>Implements the alignment of selection cells to other cells in the graph.</div></div><div class=CToolTip id="tt13"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraphHandler.prototype.currentDx</td></tr></table></blockquote>Stores the x-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"><tr><td class="prettyprint">mxGraphHandler.prototype.currentDy</td></tr></table></blockquote>Stores the y-coordinate of the current mouse move.</div></div><div class=CToolTip id="tt15"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">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="tt16"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraphHandler.prototype.selectEnabled</td></tr></table></blockquote>Specifies if selecting is enabled. </div></div><div class=CToolTip id="tt17"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraphHandler.prototype.removeCellsFromParent</td></tr></table></blockquote>Specifies if cells may be moved out of their parents. </div></div><div class=CToolTip id="tt18"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraphHandler.prototype.removeEmptyParents</td></tr></table></blockquote>If empty parents should be removed from the model after all child cells have been moved out. </div></div><div class=CToolTip id="tt19"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">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="tt20"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">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="tt21"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">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="tt22"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraphHandler.prototype.previewColor</td></tr></table></blockquote>Specifies the color of the preview shape. </div></div><div class=CToolTip id="tt23"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraphHandler.prototype.htmlPreview</td></tr></table></blockquote>Specifies if the graph container should be used for preview. </div></div><div class=CToolTip id="tt24"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraphHandler.prototype.shape</td></tr></table></blockquote>Reference to the mxShape that represents the preview.</div></div><div class=CToolTip id="tt25"><div class=CClass>Base class for all shapes. </div></div><div class=CToolTip id="tt26"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraphHandler.prototype.scaleGrid</td></tr></table></blockquote>Specifies if the grid should be scaled. </div></div><div class=CToolTip id="tt27"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraphHandler.prototype.rotationEnabled</td></tr></table></blockquote>Specifies if the bounding box should allow for rotation. </div></div><div class=CToolTip id="tt28"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraphHandler.prototype.maxLivePreview</td></tr></table></blockquote>Maximum number of cells for which live preview should be used. </div></div><div class=CToolTip id="tt29"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraphHandler.prototype.allowLivePreview</td></tr></table></blockquote>If live preview is allowed on this system. </div></div><div class=CToolTip id="tt30"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraphHandler.prototype.isEnabled = function()</td></tr></table></blockquote>Returns enabled.</div></div><div class=CToolTip id="tt31"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.setEnabled = function(</td><td class="PParameter prettyprint " nowrap>value</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Sets enabled.</div></div><div class=CToolTip id="tt32"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraphHandler.prototype.isCloneEnabled = function()</td></tr></table></blockquote>Returns cloneEnabled.</div></div><div class=CToolTip id="tt33"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.setCloneEnabled = function(</td><td class="PParameter prettyprint " nowrap>value</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Sets cloneEnabled.</div></div><div class=CToolTip id="tt34"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraphHandler.prototype.isMoveEnabled = function()</td></tr></table></blockquote>Returns moveEnabled.</div></div><div class=CToolTip id="tt35"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.setMoveEnabled = function(</td><td class="PParameter prettyprint " nowrap>value</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Sets moveEnabled.</div></div><div class=CToolTip id="tt36"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraphHandler.prototype.isSelectEnabled = function()</td></tr></table></blockquote>Returns selectEnabled.</div></div><div class=CToolTip id="tt37"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.setSelectEnabled = function(</td><td class="PParameter prettyprint " nowrap>value</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Sets selectEnabled.</div></div><div class=CToolTip id="tt38"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraphHandler.prototype.isRemoveCellsFromParent = function()</td></tr></table></blockquote>Returns removeCellsFromParent.</div></div><div class=CToolTip id="tt39"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.setRemoveCellsFromParent = function(</td><td class="PParameter prettyprint " nowrap>value</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Sets removeCellsFromParent.</div></div><div class=CToolTip id="tt40"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.isPropagateSelectionCell = function(</td><td class="PParameter prettyprint " nowrap>cell,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>immediate,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>me</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Returns true if the given cell and parent should propagate selection state to the parent.</div></div><div class=CToolTip id="tt41"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.getInitialCellForEvent = function(</td><td class="PParameter prettyprint " nowrap>me</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Hook to return initial cell for the given event. </div></div><div class=CToolTip id="tt42"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.isDelayedSelection = function(</td><td class="PParameter prettyprint " nowrap>cell,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>me</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Returns true if the cell or one of its ancestors is selected.</div></div><div class=CToolTip id="tt43"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.selectDelayed = function(</td><td class="PParameter prettyprint " nowrap>me</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Implements the delayed selection for the given mouse event.</div></div><div class=CToolTip id="tt44"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.consumeMouseEvent = function(</td><td class="PParameter prettyprint " nowrap>evtName,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>me</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Consumes the given mouse event. </div></div><div class=CToolTip id="tt45"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.mouseDown = function(</td><td class="PParameter prettyprint " nowrap>sender,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>me</td><td class="PAfterParameters prettyprint "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="tt46"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">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="tt47"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.getCells = function(</td><td class="PParameter prettyprint " nowrap>initialCell</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Returns the cells to be modified by this handler. </div></div><div class=CToolTip id="tt48"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.getPreviewBounds = function(</td><td class="PParameter prettyprint " nowrap>cells</td><td class="PAfterParameters prettyprint "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="tt49"><div class=CClass>Extends mxPoint to implement a 2-dimensional rectangle with double precision coordinates.</div></div><div class=CToolTip id="tt50"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.getBoundingBox = function(</td><td class="PParameter prettyprint " nowrap>cells</td><td class="PAfterParameters prettyprint "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="tt51"><div class=CClass>Represents the current state of a cell in a given mxGraphView.</div></div><div class=CToolTip id="tt52"><div class=CClass>Cells are the elements of the graph model. </div></div><div class=CToolTip id="tt53"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.createPreviewShape = function(</td><td class="PParameter prettyprint " nowrap>bounds</td><td class="PAfterParameters prettyprint "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="tt54"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.start = function(</td><td class="PParameter prettyprint " nowrap>cell,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>y,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>cells</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Starts the handling of the mouse gesture.</div></div><div class=CToolTip id="tt55"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.addStates = function(</td><td class="PParameter prettyprint " nowrap>cell,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>dict</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Adds the states for the given cell recursively to the given dictionary.</div></div><div class=CToolTip id="tt56"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.isCellMoving = function(</td><td class="PParameter prettyprint " nowrap>cell</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Returns true if the given cell is currently being moved.</div></div><div class=CToolTip id="tt57"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.useGuidesForEvent = function(</td><td class="PParameter prettyprint " nowrap>me</td><td class="PAfterParameters prettyprint "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="tt58"><div class=CClass>Base class for all mouse events in mxGraph. </div></div><div class=CToolTip id="tt59"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.snap = function(</td><td class="PParameter prettyprint " nowrap>vector</td><td class="PAfterParameters prettyprint "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="tt60"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.getDelta = function(</td><td class="PParameter prettyprint " nowrap>me</td><td class="PAfterParameters prettyprint "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="tt61"><div class=CClass>Implements a 2-dimensional vector with double precision coordinates.</div></div><div class=CToolTip id="tt62"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.updateHint = function(</td><td class="PParameter prettyprint " nowrap>me</td><td class="PAfterParameters prettyprint "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="tt63"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">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="tt64"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.roundLength = function(</td><td class="PParameter prettyprint " nowrap>length</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Hook for rounding the unscaled vector. </div></div><div class=CToolTip id="tt65"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.isValidDropTarget = function(</td><td class="PParameter prettyprint " nowrap>target,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>me</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Returns true if the given cell is a valid drop target.</div></div><div class=CToolTip id="tt66"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraphHandler.prototype.checkPreview = function()</td></tr></table></blockquote>Updates the preview if cloning state has changed.</div></div><div class=CToolTip id="tt67"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.mouseMove = function(</td><td class="PParameter prettyprint " nowrap>sender,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>me</td><td class="PAfterParameters prettyprint "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="tt68"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.updatePreview = function(</td><td class="PParameter prettyprint " nowrap>remote</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Updates the bounds of the preview shape.</div></div><div class=CToolTip id="tt69"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraphHandler.prototype.updatePreviewShape = function()</td></tr></table></blockquote>Updates the bounds of the preview shape.</div></div><div class=CToolTip id="tt70"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.updateLivePreview = function(</td><td class="PParameter prettyprint " nowrap>dx,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>dy</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Updates the bounds of the preview shape.</div></div><div class=CToolTip id="tt71"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.redrawHandles = function(</td><td class="PParameter prettyprint " nowrap>states</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Redraws the preview shape for the given states array.</div></div><div class=CToolTip id="tt72"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.resetPreviewStates = function(</td><td class="PParameter prettyprint " nowrap>states</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Resets the given preview states array.</div></div><div class=CToolTip id="tt73"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraphHandler.prototype.suspend = function()</td></tr></table></blockquote>Suspends the livew preview.</div></div><div class=CToolTip id="tt74"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraphHandler.prototype.resume = function()</td></tr></table></blockquote>Suspends the livew preview.</div></div><div class=CToolTip id="tt75"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraphHandler.prototype.resetLivePreview = function()</td></tr></table></blockquote>Resets the livew preview.</div></div><div class=CToolTip id="tt76"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.setHighlightColor = function(</td><td class="PParameter prettyprint " nowrap>color</td><td class="PAfterParameters prettyprint "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="tt77"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.mouseUp = function(</td><td class="PParameter prettyprint " nowrap>sender,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>me</td><td class="PAfterParameters prettyprint "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="tt78"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraphHandler.prototype.reset = function()</td></tr></table></blockquote>Resets the state of this handler.</div></div><div class=CToolTip id="tt79"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.shouldRemoveCellsFromParent = function(</td><td class="PParameter prettyprint " nowrap>parent,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>cells,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>evt</td><td class="PAfterParameters prettyprint "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="tt80"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.moveCells = function(</td><td class="PParameter prettyprint " nowrap>cells,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>dx,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>dy,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>clone,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>target,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>evt</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Moves the given cells by the specified amount.</div></div><div class=CToolTip id="tt81"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphHandler.prototype.shouldRemoveParent = function(</td><td class="PParameter prettyprint " nowrap>parent</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Returns true if the given parent should be removed after removal of child cells.</div></div><div class=CToolTip id="tt82"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraphHandler.prototype.destroyShapes = function()</td></tr></table></blockquote>Destroy the preview and highlight shapes.</div></div><div class=CToolTip id="tt83"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraphHandler.prototype.destroy = function()</td></tr></table></blockquote>Destroys the handler and all its resources and DOM nodes.</div></div><div class=CToolTip id="tt84"><div class=CClass>Event handler for resizing cells. </div></div><div class=CToolTip id="tt85"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraph.prototype.createHandler = function(</td><td class="PParameter prettyprint " nowrap>state</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Creates a new handler for the given cell state. </div></div><div class=CToolTip id="tt86"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphSelectionModel.prototype.cellAdded = function(</td><td class="PParameter prettyprint " nowrap>cell</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Inner callback to add the specified mxCell to the selection. </div></div><div class=CToolTip id="tt87"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraph.prototype.getCellAt = function(</td><td class="PParameter prettyprint " nowrap>x,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>y,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>parent,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>vertices,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>edges,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>ignoreFn</td><td class="PAfterParameters prettyprint "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="tt88"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraphView.prototype.getBounds = function(</td><td class="PParameter prettyprint " nowrap>cells</td><td class="PAfterParameters prettyprint "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="tt89"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGraph.prototype.getBoundingBox = function(</td><td class="PParameter prettyprint " nowrap>cells</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Returns the bounding box for the given array of mxCells. </div></div><div class=CToolTip id="tt90"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxGuide.prototype.isEnabledForEvent = function(</td><td class="PParameter prettyprint " nowrap>evt</td><td class="PAfterParameters prettyprint "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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