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<div id=Content><div class="CClass"><div class=CTopic id=MainTopic><h1 class=CTitle><a name="mxEdgeHandler"></a>mxEdgeHandler</h1><div class=CBody><p>Graph event handler that reconnects edges and modifies control points and the edge label location.&nbsp; Uses &lt;mxTerminalMarker&gt; for finding and highlighting new source and target vertices.&nbsp; This handler is automatically created in <a href="../view/mxGraph-js.html#mxGraph.createHandler" class=LFunction id=link94 onMouseOver="ShowTip(event, 'tt81', 'link94')" onMouseOut="HideTip('tt81')">mxGraph.createHandler</a> for each selected edge.</p><h4 class=CHeading>To enable adding/removing control points, the following code can be used</h4><blockquote><pre class="prettyprint">mxEdgeHandler.prototype.addEnabled = true;
mxEdgeHandler.prototype.removeEnabled = true;</pre></blockquote><p>Note: This experimental feature is not recommended for production use.</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="#mxEdgeHandler" >mxEdgeHandler</a></td><td class=SDescription>Graph event handler that reconnects edges and modifies control points and the edge label location. </td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#mxEdgeHandler.Functions" >Functions</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.mxEdgeHandler" id=link1 onMouseOver="ShowTip(event, 'tt1', 'link1')" onMouseOut="HideTip('tt1')">mxEdgeHandler</a></td><td class=SDescription>Constructs an edge handler for the specified <a href="../view/mxCellState-js.html#mxCellState" class=LClass id=link2 onMouseOver="ShowTip(event, 'tt2', 'link2')" onMouseOut="HideTip('tt2')">mxCellState</a>.</td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#mxEdgeHandler.Variables" >Variables</a></td><td class=SDescription></td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.graph" id=link3 onMouseOver="ShowTip(event, 'tt3', 'link3')" onMouseOut="HideTip('tt3')">graph</a></td><td class=SDescription>Reference to the enclosing <a href="../view/mxGraph-js.html#mxGraph" class=LClass id=link4 onMouseOver="ShowTip(event, 'tt4', 'link4')" onMouseOut="HideTip('tt4')">mxGraph</a>.</td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxEdgeHandler.state" id=link5 onMouseOver="ShowTip(event, 'tt5', 'link5')" onMouseOut="HideTip('tt5')">state</a></td><td class=SDescription>Reference to the <a href="../view/mxCellState-js.html#mxCellState" class=LClass id=link6 onMouseOver="ShowTip(event, 'tt2', 'link6')" onMouseOut="HideTip('tt2')">mxCellState</a> being modified.</td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.marker" id=link7 onMouseOver="ShowTip(event, 'tt6', 'link7')" onMouseOut="HideTip('tt6')">marker</a></td><td class=SDescription>Holds the &lt;mxTerminalMarker&gt; which is used for highlighting terminals.</td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxEdgeHandler.constraintHandler" id=link8 onMouseOver="ShowTip(event, 'tt7', 'link8')" onMouseOut="HideTip('tt7')">constraintHandler</a></td><td class=SDescription>Holds the <a href="mxConstraintHandler-js.html#mxConstraintHandler" class=LClass id=link9 onMouseOver="ShowTip(event, 'tt8', 'link9')" onMouseOut="HideTip('tt8')">mxConstraintHandler</a> used for drawing and highlighting constraints.</td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.error" id=link10 onMouseOver="ShowTip(event, 'tt9', 'link10')" onMouseOut="HideTip('tt9')">error</a></td><td class=SDescription>Holds the current validation error while a connection is being changed.</td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxEdgeHandler.shape" id=link11 onMouseOver="ShowTip(event, 'tt10', 'link11')" onMouseOut="HideTip('tt10')">shape</a></td><td class=SDescription>Holds the <a href="../shape/mxShape-js.html#mxShape" class=LClass id=link12 onMouseOver="ShowTip(event, 'tt11', 'link12')" onMouseOut="HideTip('tt11')">mxShape</a> that represents the preview edge.</td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.bends" id=link13 onMouseOver="ShowTip(event, 'tt12', 'link13')" onMouseOut="HideTip('tt12')">bends</a></td><td class=SDescription>Holds the <a href="../shape/mxShape-js.html#mxShape" class=LClass id=link14 onMouseOver="ShowTip(event, 'tt11', 'link14')" onMouseOut="HideTip('tt11')">mxShapes</a> that represent the points.</td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxEdgeHandler.labelShape" id=link15 onMouseOver="ShowTip(event, 'tt13', 'link15')" onMouseOut="HideTip('tt13')">labelShape</a></td><td class=SDescription>Holds the <a href="../shape/mxShape-js.html#mxShape" class=LClass id=link16 onMouseOver="ShowTip(event, 'tt11', 'link16')" onMouseOut="HideTip('tt11')">mxShape</a> that represents the label position.</td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.cloneEnabled" id=link17 onMouseOver="ShowTip(event, 'tt14', 'link17')" onMouseOut="HideTip('tt14')">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="#mxEdgeHandler.addEnabled" id=link18 onMouseOver="ShowTip(event, 'tt15', 'link18')" onMouseOut="HideTip('tt15')">addEnabled</a></td><td class=SDescription>Specifies if adding bends by shift-click is enabled. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.removeEnabled" id=link19 onMouseOver="ShowTip(event, 'tt16', 'link19')" onMouseOut="HideTip('tt16')">removeEnabled</a></td><td class=SDescription>Specifies if removing bends by shift-click is enabled. </td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxEdgeHandler.preferHtml" id=link20 onMouseOver="ShowTip(event, 'tt17', 'link20')" onMouseOut="HideTip('tt17')">preferHtml</a></td><td class=SDescription>Specifies if bends should be added to the graph container. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.allowHandleBoundsCheck" id=link21 onMouseOver="ShowTip(event, 'tt18', 'link21')" onMouseOut="HideTip('tt18')">allowHandleBoundsCheck</a></td><td class=SDescription>Specifies if the bounds of handles should be used for hit-detection in IE Default is true.</td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxEdgeHandler.snapToTerminals" id=link22 onMouseOver="ShowTip(event, 'tt19', 'link22')" onMouseOut="HideTip('tt19')">snapToTerminals</a></td><td class=SDescription>Specifies if waypoints should snap to the routing centers of terminals. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.handleImage" id=link23 onMouseOver="ShowTip(event, 'tt20', 'link23')" onMouseOut="HideTip('tt20')">handleImage</a></td><td class=SDescription>Optional <a href="../util/mxImage-js.html#mxImage" class=LClass id=link24 onMouseOver="ShowTip(event, 'tt21', 'link24')" onMouseOut="HideTip('tt21')">mxImage</a> to be used as handles. </td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxEdgeHandler.tolerance" id=link25 onMouseOver="ShowTip(event, 'tt22', 'link25')" onMouseOut="HideTip('tt22')">tolerance</a></td><td class=SDescription>Optional tolerance for hit-detection in <a href="#mxEdgeHandler.getHandleForEvent" class=LFunction id=link26 onMouseOver="ShowTip(event, 'tt23', 'link26')" onMouseOut="HideTip('tt23')">getHandleForEvent</a>. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.outlineConnect" id=link27 onMouseOver="ShowTip(event, 'tt24', 'link27')" onMouseOut="HideTip('tt24')">outlineConnect</a></td><td class=SDescription>Specifies if connections to the outline of a highlighted target should be enabled. </td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxEdgeHandler.manageLabelHandle" id=link28 onMouseOver="ShowTip(event, 'tt25', 'link28')" onMouseOut="HideTip('tt25')">manageLabelHandle</a></td><td class=SDescription>Specifies if the label handle should be moved if it intersects with another handle. </td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#mxEdgeHandler.Functions" >Functions</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.init" id=link29 onMouseOver="ShowTip(event, 'tt26', 'link29')" onMouseOut="HideTip('tt26')">init</a></td><td class=SDescription>Initializes the shapes required for this edge handler.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxEdgeHandler.isAddPointEvent" id=link30 onMouseOver="ShowTip(event, 'tt27', 'link30')" onMouseOut="HideTip('tt27')">isAddPointEvent</a></td><td class=SDescription>Returns true if the given event is a trigger to add a new point. </td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.isRemovePointEvent" id=link31 onMouseOver="ShowTip(event, 'tt28', 'link31')" onMouseOut="HideTip('tt28')">isRemovePointEvent</a></td><td class=SDescription>Returns true if the given event is a trigger to remove a point. </td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxEdgeHandler.getSelectionPoints" id=link32 onMouseOver="ShowTip(event, 'tt29', 'link32')" onMouseOut="HideTip('tt29')">getSelectionPoints</a></td><td class=SDescription>Returns the list of points that defines the selection stroke.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.createSelectionShape" id=link33 onMouseOver="ShowTip(event, 'tt30', 'link33')" onMouseOut="HideTip('tt30')">createSelectionShape</a></td><td class=SDescription>Creates the shape used to draw the selection border.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxEdgeHandler.getSelectionColor" id=link34 onMouseOver="ShowTip(event, 'tt31', 'link34')" onMouseOut="HideTip('tt31')">getSelectionColor</a></td><td class=SDescription>Returns <a href="../util/mxConstants-js.html#mxConstants.EDGE_SELECTION_COLOR" class=LVariable id=link35 onMouseOver="ShowTip(event, 'tt32', 'link35')" onMouseOut="HideTip('tt32')">mxConstants.EDGE_SELECTION_COLOR</a>.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.getSelectionStrokeWidth" id=link36 onMouseOver="ShowTip(event, 'tt33', 'link36')" onMouseOut="HideTip('tt33')">getSelectionStrokeWidth</a></td><td class=SDescription>Returns <a href="../util/mxConstants-js.html#mxConstants.EDGE_SELECTION_STROKEWIDTH" class=LVariable id=link37 onMouseOver="ShowTip(event, 'tt34', 'link37')" onMouseOut="HideTip('tt34')">mxConstants.EDGE_SELECTION_STROKEWIDTH</a>.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxEdgeHandler.isSelectionDashed" id=link38 onMouseOver="ShowTip(event, 'tt35', 'link38')" onMouseOut="HideTip('tt35')">isSelectionDashed</a></td><td class=SDescription>Returns &lt;mxConstants.EDGE_SELECTION_DASHED&gt;.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.isConnectableCell" id=link39 onMouseOver="ShowTip(event, 'tt36', 'link39')" onMouseOut="HideTip('tt36')">isConnectableCell</a></td><td class=SDescription>Returns true if the given cell is connectable. </td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxEdgeHandler.getCellAt" id=link40 onMouseOver="ShowTip(event, 'tt37', 'link40')" onMouseOut="HideTip('tt37')">getCellAt</a></td><td class=SDescription>Creates and returns the <a href="mxCellMarker-js.html#mxCellMarker" class=LClass id=link41 onMouseOver="ShowTip(event, 'tt38', 'link41')" onMouseOut="HideTip('tt38')">mxCellMarker</a> used in <a href="#mxEdgeHandler.marker" class=LVariable id=link42 onMouseOver="ShowTip(event, 'tt6', 'link42')" onMouseOut="HideTip('tt6')">marker</a>.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.createMarker" id=link43 onMouseOver="ShowTip(event, 'tt39', 'link43')" onMouseOut="HideTip('tt39')">createMarker</a></td><td class=SDescription>Creates and returns the <a href="mxCellMarker-js.html#mxCellMarker" class=LClass id=link44 onMouseOver="ShowTip(event, 'tt38', 'link44')" onMouseOut="HideTip('tt38')">mxCellMarker</a> used in <a href="#mxEdgeHandler.marker" class=LVariable id=link45 onMouseOver="ShowTip(event, 'tt6', 'link45')" onMouseOut="HideTip('tt6')">marker</a>.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxEdgeHandler.validateConnection" id=link46 onMouseOver="ShowTip(event, 'tt40', 'link46')" onMouseOut="HideTip('tt40')">validateConnection</a></td><td class=SDescription>Returns the error message or an empty string if the connection for the given source, target pair is not valid. </td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.createBends" id=link47 onMouseOver="ShowTip(event, 'tt41', 'link47')" onMouseOut="HideTip('tt41')">createBends</a></td><td class=SDescription>Creates and returns the bends used for modifying the edge. </td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxEdgeHandler.isHandleEnabled" id=link48 onMouseOver="ShowTip(event, 'tt42', 'link48')" onMouseOut="HideTip('tt42')">isHandleEnabled</a></td><td class=SDescription>Creates the shape used to display the given bend.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.isHandleVisible" id=link49 onMouseOver="ShowTip(event, 'tt43', 'link49')" onMouseOut="HideTip('tt43')">isHandleVisible</a></td><td class=SDescription>Returns true if the handle at the given index is visible.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxEdgeHandler.createHandleShape" id=link50 onMouseOver="ShowTip(event, 'tt44', 'link50')" onMouseOut="HideTip('tt44')">createHandleShape</a></td><td class=SDescription>Creates the shape used to display the given bend. </td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.createLabelHandleShape" id=link51 onMouseOver="ShowTip(event, 'tt45', 'link51')" onMouseOut="HideTip('tt45')">createLabelHandleShape</a></td><td class=SDescription>Creates the shape used to display the the label handle.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxEdgeHandler.initBend" id=link52 onMouseOver="ShowTip(event, 'tt46', 'link52')" onMouseOut="HideTip('tt46')">initBend</a></td><td class=SDescription>Helper method to initialize the given bend.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.getHandleForEvent" id=link53 onMouseOver="ShowTip(event, 'tt23', 'link53')" onMouseOut="HideTip('tt23')">getHandleForEvent</a></td><td class=SDescription>Returns the index of the handle for the given event.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxEdgeHandler.mouseDown" id=link54 onMouseOver="ShowTip(event, 'tt47', 'link54')" onMouseOut="HideTip('tt47')">mouseDown</a></td><td class=SDescription>Handles the event by checking if a special element of the handler was clicked, in which case the index parameter is non-null. </td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.start" id=link55 onMouseOver="ShowTip(event, 'tt48', 'link55')" onMouseOut="HideTip('tt48')">start</a></td><td class=SDescription>Starts the handling of the mouse gesture.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxEdgeHandler.clonePreviewState" id=link56 onMouseOver="ShowTip(event, 'tt49', 'link56')" onMouseOut="HideTip('tt49')">clonePreviewState</a></td><td class=SDescription>Returns a clone of the current preview state for the given point and terminal.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.getSnapToTerminalTolerance" id=link57 onMouseOver="ShowTip(event, 'tt50', 'link57')" onMouseOut="HideTip('tt50')">getSnapToTerminalTolerance</a></td><td class=SDescription>Returns the tolerance for the guides. </td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxEdgeHandler.updateHint" id=link58 onMouseOver="ShowTip(event, 'tt51', 'link58')" onMouseOut="HideTip('tt51')">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="#mxEdgeHandler.removeHint" id=link59 onMouseOver="ShowTip(event, 'tt52', 'link59')" onMouseOut="HideTip('tt52')">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="#mxEdgeHandler.roundLength" id=link60 onMouseOver="ShowTip(event, 'tt53', 'link60')" onMouseOut="HideTip('tt53')">roundLength</a></td><td class=SDescription>Hook for rounding the unscaled width or height. </td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.isSnapToTerminalsEvent" id=link61 onMouseOver="ShowTip(event, 'tt54', 'link61')" onMouseOut="HideTip('tt54')">isSnapToTerminalsEvent</a></td><td class=SDescription>Returns true if <a href="#mxEdgeHandler.snapToTerminals" class=LVariable id=link62 onMouseOver="ShowTip(event, 'tt19', 'link62')" onMouseOut="HideTip('tt19')">snapToTerminals</a> is true and if alt is not pressed.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxEdgeHandler.getPointForEvent" id=link63 onMouseOver="ShowTip(event, 'tt55', 'link63')" onMouseOut="HideTip('tt55')">getPointForEvent</a></td><td class=SDescription>Returns the point for the given event.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.getPreviewTerminalState" id=link64 onMouseOver="ShowTip(event, 'tt56', 'link64')" onMouseOut="HideTip('tt56')">getPreviewTerminalState</a></td><td class=SDescription>Updates the given preview state taking into account the state of the constraint handler.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxEdgeHandler.getPreviewPoints" id=link65 onMouseOver="ShowTip(event, 'tt57', 'link65')" onMouseOut="HideTip('tt57')">getPreviewPoints</a></td><td class=SDescription>Updates the given preview state taking into account the state of the constraint handler.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.isOutlineConnectEvent" id=link66 onMouseOver="ShowTip(event, 'tt58', 'link66')" onMouseOut="HideTip('tt58')">isOutlineConnectEvent</a></td><td class=SDescription>Returns true if <a href="#mxEdgeHandler.outlineConnect" class=LVariable id=link67 onMouseOver="ShowTip(event, 'tt24', 'link67')" onMouseOut="HideTip('tt24')">outlineConnect</a> is true and the source of the event is the outline shape or shift is pressed.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxEdgeHandler.updatePreviewState" id=link68 onMouseOver="ShowTip(event, 'tt59', 'link68')" onMouseOut="HideTip('tt59')">updatePreviewState</a></td><td class=SDescription>Updates the given preview state taking into account the state of the constraint handler.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.mouseMove" id=link69 onMouseOver="ShowTip(event, 'tt60', 'link69')" onMouseOut="HideTip('tt60')">mouseMove</a></td><td class=SDescription>Handles the event by updating the preview.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxEdgeHandler.mouseUp" id=link70 onMouseOver="ShowTip(event, 'tt61', 'link70')" onMouseOut="HideTip('tt61')">mouseUp</a></td><td class=SDescription>Handles the event to applying the previewed changes on the edge by using <a href="#mxEdgeHandler.moveLabel" class=LFunction id=link71 onMouseOver="ShowTip(event, 'tt62', 'link71')" onMouseOut="HideTip('tt62')">moveLabel</a>, <a href="#mxEdgeHandler.connect" class=LFunction id=link72 onMouseOver="ShowTip(event, 'tt63', 'link72')" onMouseOut="HideTip('tt63')">connect</a> or <a href="#mxEdgeHandler.changePoints" class=LFunction id=link73 onMouseOver="ShowTip(event, 'tt64', 'link73')" onMouseOut="HideTip('tt64')">changePoints</a>.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.reset" id=link74 onMouseOver="ShowTip(event, 'tt65', 'link74')" onMouseOut="HideTip('tt65')">reset</a></td><td class=SDescription>Resets the state of this handler.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxEdgeHandler.setPreviewColor" id=link75 onMouseOver="ShowTip(event, 'tt66', 'link75')" onMouseOut="HideTip('tt66')">setPreviewColor</a></td><td class=SDescription>Sets the color of the preview to the given value.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.convertPoint" id=link76 onMouseOver="ShowTip(event, 'tt67', 'link76')" onMouseOut="HideTip('tt67')">convertPoint</a></td><td class=SDescription>Converts the given point in-place from screen to unscaled, untranslated graph coordinates and applies the grid. </td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxEdgeHandler.moveLabel" id=link77 onMouseOver="ShowTip(event, 'tt62', 'link77')" onMouseOut="HideTip('tt62')">moveLabel</a></td><td class=SDescription>Changes the coordinates for the label of the given edge.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.connect" id=link78 onMouseOver="ShowTip(event, 'tt63', 'link78')" onMouseOut="HideTip('tt63')">connect</a></td><td class=SDescription>Changes the terminal or terminal point of the given edge in the graph model.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxEdgeHandler.changeTerminalPoint" id=link79 onMouseOver="ShowTip(event, 'tt68', 'link79')" onMouseOut="HideTip('tt68')">changeTerminalPoint</a></td><td class=SDescription>Changes the terminal point of the given edge.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.changePoints" id=link80 onMouseOver="ShowTip(event, 'tt64', 'link80')" onMouseOut="HideTip('tt64')">changePoints</a></td><td class=SDescription>Changes the control points of the given edge in the graph model.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxEdgeHandler.addPoint" id=link81 onMouseOver="ShowTip(event, 'tt69', 'link81')" onMouseOut="HideTip('tt69')">addPoint</a></td><td class=SDescription>Adds a control point for the given state and event.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.addPointAt" id=link82 onMouseOver="ShowTip(event, 'tt70', 'link82')" onMouseOut="HideTip('tt70')">addPointAt</a></td><td class=SDescription>Adds a control point at the given point.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxEdgeHandler.removePoint" id=link83 onMouseOver="ShowTip(event, 'tt71', 'link83')" onMouseOut="HideTip('tt71')">removePoint</a></td><td class=SDescription>Removes the control point at the given index from the given state.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.getHandleFillColor" id=link84 onMouseOver="ShowTip(event, 'tt72', 'link84')" onMouseOut="HideTip('tt72')">getHandleFillColor</a></td><td class=SDescription>Returns the fillcolor for the handle at the given index.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxEdgeHandler.redraw" id=link85 onMouseOver="ShowTip(event, 'tt73', 'link85')" onMouseOut="HideTip('tt73')">redraw</a></td><td class=SDescription>Redraws the preview, and the bends- and label control points.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.redrawHandles" id=link86 onMouseOver="ShowTip(event, 'tt74', 'link86')" onMouseOut="HideTip('tt74')">redrawHandles</a></td><td class=SDescription>Redraws the handles.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxEdgeHandler.redrawInnerBends" id=link87 onMouseOver="ShowTip(event, 'tt75', 'link87')" onMouseOut="HideTip('tt75')">redrawInnerBends</a></td><td class=SDescription>Updates and redraws the inner bends.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.checkLabelHandle" id=link88 onMouseOver="ShowTip(event, 'tt76', 'link88')" onMouseOut="HideTip('tt76')">checkLabelHandle</a></td><td class=SDescription>Checks if the label handle intersects the given bounds and moves it if it intersects.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxEdgeHandler.drawPreview" id=link89 onMouseOver="ShowTip(event, 'tt77', 'link89')" onMouseOut="HideTip('tt77')">drawPreview</a></td><td class=SDescription>Redraws the preview.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.refresh" id=link90 onMouseOver="ShowTip(event, 'tt78', 'link90')" onMouseOut="HideTip('tt78')">refresh</a></td><td class=SDescription>Refreshes the bends of this handler.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxEdgeHandler.destroyBends" id=link91 onMouseOver="ShowTip(event, 'tt79', 'link91')" onMouseOut="HideTip('tt79')">destroyBends</a></td><td class=SDescription>Destroys all elements in <a href="#mxEdgeHandler.bends" class=LVariable id=link92 onMouseOver="ShowTip(event, 'tt12', 'link92')" onMouseOut="HideTip('tt12')">bends</a>.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxEdgeHandler.destroy" id=link93 onMouseOver="ShowTip(event, 'tt80', 'link93')" onMouseOut="HideTip('tt80')">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="mxEdgeHandler.Functions"></a>Functions</h3></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.mxEdgeHandler"></a>mxEdgeHandler</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>function mxEdgeHandler(</td><td class=PParameter nowrap>state</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Constructs an edge handler for the specified <a href="../view/mxCellState-js.html#mxCellState" class=LClass id=link95 onMouseOver="ShowTip(event, 'tt2', 'link95')" onMouseOut="HideTip('tt2')">mxCellState</a>.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>state</td><td class=CDLDescription><a href="../view/mxCellState-js.html#mxCellState" class=LClass id=link96 onMouseOver="ShowTip(event, 'tt2', 'link96')" onMouseOut="HideTip('tt2')">mxCellState</a> of the cell to be handled.</td></tr></table></div></div></div>
<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.Variables"></a>Variables</h3></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.graph"></a>graph</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.graph</td></tr></table></blockquote><p>Reference to the enclosing <a href="../view/mxGraph-js.html#mxGraph" class=LClass id=link97 onMouseOver="ShowTip(event, 'tt4', 'link97')" onMouseOut="HideTip('tt4')">mxGraph</a>.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.state"></a>state</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.state</td></tr></table></blockquote><p>Reference to the <a href="../view/mxCellState-js.html#mxCellState" class=LClass id=link98 onMouseOver="ShowTip(event, 'tt2', 'link98')" onMouseOut="HideTip('tt2')">mxCellState</a> being modified.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.marker"></a>marker</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.marker</td></tr></table></blockquote><p>Holds the &lt;mxTerminalMarker&gt; which is used for highlighting terminals.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.constraintHandler"></a>constraintHandler</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.constraintHandler</td></tr></table></blockquote><p>Holds the <a href="mxConstraintHandler-js.html#mxConstraintHandler" class=LClass id=link99 onMouseOver="ShowTip(event, 'tt8', 'link99')" onMouseOut="HideTip('tt8')">mxConstraintHandler</a> used for drawing and highlighting constraints.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.error"></a>error</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.error</td></tr></table></blockquote><p>Holds the current validation error while a connection is being changed.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.shape"></a>shape</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.shape</td></tr></table></blockquote><p>Holds the <a href="../shape/mxShape-js.html#mxShape" class=LClass id=link100 onMouseOver="ShowTip(event, 'tt11', 'link100')" onMouseOut="HideTip('tt11')">mxShape</a> that represents the preview edge.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.bends"></a>bends</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.bends</td></tr></table></blockquote><p>Holds the <a href="../shape/mxShape-js.html#mxShape" class=LClass id=link101 onMouseOver="ShowTip(event, 'tt11', 'link101')" onMouseOut="HideTip('tt11')">mxShapes</a> that represent the points.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.labelShape"></a>labelShape</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.labelShape</td></tr></table></blockquote><p>Holds the <a href="../shape/mxShape-js.html#mxShape" class=LClass id=link102 onMouseOver="ShowTip(event, 'tt11', 'link102')" onMouseOut="HideTip('tt11')">mxShape</a> that represents the label position.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.cloneEnabled"></a>cloneEnabled</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.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="mxEdgeHandler.addEnabled"></a>addEnabled</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.addEnabled</td></tr></table></blockquote><p>Specifies if adding bends by shift-click is enabled.&nbsp; Default is false.&nbsp; Note: This experimental feature is not recommended for production use.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.removeEnabled"></a>removeEnabled</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.removeEnabled</td></tr></table></blockquote><p>Specifies if removing bends by shift-click is enabled.&nbsp; Default is false.&nbsp; Note: This experimental feature is not recommended for production use.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.preferHtml"></a>preferHtml</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.preferHtml</td></tr></table></blockquote><p>Specifies if bends should be added to the graph container.&nbsp; This is updated in <a href="#mxEdgeHandler.init" class=LFunction id=link103 onMouseOver="ShowTip(event, 'tt26', 'link103')" onMouseOut="HideTip('tt26')">init</a> based on whether the edge or one of its terminals has an HTML label in the container.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.allowHandleBoundsCheck"></a>allowHandleBoundsCheck</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.allowHandleBoundsCheck</td></tr></table></blockquote><p>Specifies if the bounds of handles should be used for hit-detection in IE Default is true.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.snapToTerminals"></a>snapToTerminals</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.snapToTerminals</td></tr></table></blockquote><p>Specifies if waypoints should snap to the routing centers of terminals.&nbsp; Default is false.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.handleImage"></a>handleImage</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.handleImage</td></tr></table></blockquote><p>Optional <a href="../util/mxImage-js.html#mxImage" class=LClass id=link104 onMouseOver="ShowTip(event, 'tt21', 'link104')" onMouseOut="HideTip('tt21')">mxImage</a> to be used as handles.&nbsp; Default is null.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.tolerance"></a>tolerance</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.tolerance</td></tr></table></blockquote><p>Optional tolerance for hit-detection in <a href="#mxEdgeHandler.getHandleForEvent" class=LFunction id=link105 onMouseOver="ShowTip(event, 'tt23', 'link105')" onMouseOut="HideTip('tt23')">getHandleForEvent</a>.&nbsp; Default is 0.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.outlineConnect"></a>outlineConnect</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.outlineConnect</td></tr></table></blockquote><p>Specifies if connections to the outline of a highlighted target should be enabled.&nbsp; This will allow to place the connection point along the outline of the highlighted target.&nbsp; Default is false.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.manageLabelHandle"></a>manageLabelHandle</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.manageLabelHandle</td></tr></table></blockquote><p>Specifies if the label handle should be moved if it intersects with another handle.&nbsp; Uses <a href="#mxEdgeHandler.checkLabelHandle" class=LFunction id=link106 onMouseOver="ShowTip(event, 'tt76', 'link106')" onMouseOut="HideTip('tt76')">checkLabelHandle</a> for checking and moving.&nbsp; Default is false.</p></div></div></div>
<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.Functions"></a>Functions</h3></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.init"></a>init</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.init = function()</td></tr></table></blockquote><p>Initializes the shapes required for this edge handler.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.isAddPointEvent"></a>isAddPointEvent</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.isAddPointEvent = function(</td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns true if the given event is a trigger to add a new point.&nbsp; This implementation returns true if shift is pressed.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.isRemovePointEvent"></a>isRemovePointEvent</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.isRemovePointEvent = function(</td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns true if the given event is a trigger to remove a point.&nbsp; This implementation returns true if shift is pressed.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.getSelectionPoints"></a>getSelectionPoints</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.getSelectionPoints = function(</td><td class=PParameter nowrap>state</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns the list of points that defines the selection stroke.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.createSelectionShape"></a>createSelectionShape</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.createSelectionShape = function(</td><td class=PParameter nowrap>points</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Creates the shape used to draw the selection border.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.getSelectionColor"></a>getSelectionColor</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.getSelectionColor = function()</td></tr></table></blockquote><p>Returns <a href="../util/mxConstants-js.html#mxConstants.EDGE_SELECTION_COLOR" class=LVariable id=link107 onMouseOver="ShowTip(event, 'tt32', 'link107')" onMouseOut="HideTip('tt32')">mxConstants.EDGE_SELECTION_COLOR</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.getSelectionStrokeWidth"></a>getSelectionStrokeWidth</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.getSelectionStrokeWidth = function()</td></tr></table></blockquote><p>Returns <a href="../util/mxConstants-js.html#mxConstants.EDGE_SELECTION_STROKEWIDTH" class=LVariable id=link108 onMouseOver="ShowTip(event, 'tt34', 'link108')" onMouseOut="HideTip('tt34')">mxConstants.EDGE_SELECTION_STROKEWIDTH</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.isSelectionDashed"></a>isSelectionDashed</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.isSelectionDashed = function()</td></tr></table></blockquote><p>Returns &lt;mxConstants.EDGE_SELECTION_DASHED&gt;.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.isConnectableCell"></a>isConnectableCell</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.isConnectableCell = function(</td><td class=PParameter nowrap>cell</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns true if the given cell is connectable.&nbsp; This is a hook to disable floating connections.&nbsp; This implementation returns true.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.getCellAt"></a>getCellAt</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.getCellAt = function(</td><td class=PParameter nowrap>x,</td></tr><tr><td></td><td class=PParameter nowrap>y</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Creates and returns the <a href="mxCellMarker-js.html#mxCellMarker" class=LClass id=link109 onMouseOver="ShowTip(event, 'tt38', 'link109')" onMouseOut="HideTip('tt38')">mxCellMarker</a> used in <a href="#mxEdgeHandler.marker" class=LVariable id=link110 onMouseOver="ShowTip(event, 'tt6', 'link110')" onMouseOut="HideTip('tt6')">marker</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.createMarker"></a>createMarker</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.createMarker = function()</td></tr></table></blockquote><p>Creates and returns the <a href="mxCellMarker-js.html#mxCellMarker" class=LClass id=link111 onMouseOver="ShowTip(event, 'tt38', 'link111')" onMouseOut="HideTip('tt38')">mxCellMarker</a> used in <a href="#mxEdgeHandler.marker" class=LVariable id=link112 onMouseOver="ShowTip(event, 'tt6', 'link112')" onMouseOut="HideTip('tt6')">marker</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.validateConnection"></a>validateConnection</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.validateConnection = function(</td><td class=PParameter nowrap>source,</td></tr><tr><td></td><td class=PParameter nowrap>target</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns the error message or an empty string if the connection for the given source, target pair is not valid.&nbsp; Otherwise it returns null.&nbsp; This implementation uses <a href="../view/mxGraph-js.html#mxGraph.getEdgeValidationError" class=LFunction id=link113 onMouseOver="ShowTip(event, 'tt82', 'link113')" onMouseOut="HideTip('tt82')">mxGraph.getEdgeValidationError</a>.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>source</td><td class=CDLDescription><a href="../model/mxCell-js.html#mxCell" class=LClass id=link114 onMouseOver="ShowTip(event, 'tt83', 'link114')" onMouseOut="HideTip('tt83')">mxCell</a> that represents the source terminal.</td></tr><tr><td class=CDLEntry>target</td><td class=CDLDescription><a href="../model/mxCell-js.html#mxCell" class=LClass id=link115 onMouseOver="ShowTip(event, 'tt83', 'link115')" onMouseOut="HideTip('tt83')">mxCell</a> that represents the target terminal.</td></tr></table></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.createBends"></a>createBends</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.createBends = function()</td></tr></table></blockquote><p>Creates and returns the bends used for modifying the edge.&nbsp; This is typically an array of <a href="../shape/mxRectangleShape-js.html#mxRectangleShape" class=LClass id=link116 onMouseOver="ShowTip(event, 'tt84', 'link116')" onMouseOut="HideTip('tt84')">mxRectangleShapes</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.isHandleEnabled"></a>isHandleEnabled</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.isHandleEnabled = function(</td><td class=PParameter nowrap>index</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Creates the shape used to display the given bend.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.isHandleVisible"></a>isHandleVisible</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.isHandleVisible = function(</td><td class=PParameter nowrap>index</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns true if the handle at the given index is visible.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.createHandleShape"></a>createHandleShape</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.createHandleShape = function(</td><td class=PParameter nowrap>index</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Creates the shape used to display the given bend.&nbsp; Note that the index may be null for special cases, such as when called from <a href="mxElbowEdgeHandler-js.html#mxElbowEdgeHandler.createVirtualBend" class=LFunction id=link117 onMouseOver="ShowTip(event, 'tt85', 'link117')" onMouseOut="HideTip('tt85')">mxElbowEdgeHandler.createVirtualBend</a>.&nbsp; Only images and rectangles should be returned if support for HTML labels with not foreign objects is required.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.createLabelHandleShape"></a>createLabelHandleShape</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.createLabelHandleShape = function()</td></tr></table></blockquote><p>Creates the shape used to display the the label handle.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.initBend"></a>initBend</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.initBend = function(</td><td class=PParameter nowrap>bend</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Helper method to initialize the given bend.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>bend</td><td class=CDLDescription><a href="../shape/mxShape-js.html#mxShape" class=LClass id=link118 onMouseOver="ShowTip(event, 'tt11', 'link118')" onMouseOut="HideTip('tt11')">mxShape</a> that represents the bend to be initialized.</td></tr></table></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.getHandleForEvent"></a>getHandleForEvent</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.getHandleForEvent = function(</td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns the index of the handle for the given event.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.mouseDown"></a>mouseDown</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.mouseDown = function(</td><td class=PParameter nowrap>sender,</td></tr><tr><td></td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Handles the event by checking if a special element of the handler was clicked, in which case the index parameter is non-null.&nbsp; The indices may be one of &lt;LABEL_HANDLE&gt; or the number of the respective control point.&nbsp; The source and target points are used for reconnecting the edge.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.start"></a>start</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.start = function(</td><td class=PParameter nowrap>x,</td></tr><tr><td></td><td class=PParameter nowrap>y,</td></tr><tr><td></td><td class=PParameter nowrap>index</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Starts the handling of the mouse gesture.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.clonePreviewState"></a>clonePreviewState</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.clonePreviewState = function(</td><td class=PParameter nowrap>point,</td></tr><tr><td></td><td class=PParameter nowrap>terminal</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns a clone of the current preview state for the given point and terminal.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.getSnapToTerminalTolerance"></a>getSnapToTerminalTolerance</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.getSnapToTerminalTolerance = function()</td></tr></table></blockquote><p>Returns the tolerance for the guides.&nbsp; Default value is gridSize * scale / 2.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.updateHint"></a>updateHint</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.updateHint = function(</td><td class=PParameter nowrap>me,</td></tr><tr><td></td><td class=PParameter nowrap>point</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Hook for subclassers do show details while the handler is active.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.removeHint"></a>removeHint</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.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="mxEdgeHandler.roundLength"></a>roundLength</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.roundLength = function(</td><td class=PParameter nowrap>length</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Hook for rounding the unscaled width or height.&nbsp; This uses Math.round.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.isSnapToTerminalsEvent"></a>isSnapToTerminalsEvent</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.isSnapToTerminalsEvent = function(</td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns true if <a href="#mxEdgeHandler.snapToTerminals" class=LVariable id=link119 onMouseOver="ShowTip(event, 'tt19', 'link119')" onMouseOut="HideTip('tt19')">snapToTerminals</a> is true and if alt is not pressed.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.getPointForEvent"></a>getPointForEvent</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.getPointForEvent = function(</td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns the point for the given event.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.getPreviewTerminalState"></a>getPreviewTerminalState</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.getPreviewTerminalState = function(</td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Updates the given preview state taking into account the state of the constraint handler.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.getPreviewPoints"></a>getPreviewPoints</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.getPreviewPoints = function(</td><td class=PParameter nowrap>point</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Updates the given preview state taking into account the state of the constraint handler.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.isOutlineConnectEvent"></a>isOutlineConnectEvent</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.isOutlineConnectEvent = function(</td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns true if <a href="#mxEdgeHandler.outlineConnect" class=LVariable id=link120 onMouseOver="ShowTip(event, 'tt24', 'link120')" onMouseOut="HideTip('tt24')">outlineConnect</a> is true and the source of the event is the outline shape or shift is pressed.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.updatePreviewState"></a>updatePreviewState</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.updatePreviewState = function(</td><td class=PParameter nowrap>edge,</td></tr><tr><td></td><td class=PParameter nowrap>point,</td></tr><tr><td></td><td class=PParameter nowrap>terminalState,</td></tr><tr><td></td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Updates the given preview state taking into account the state of the constraint handler.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.mouseMove"></a>mouseMove</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.mouseMove = function(</td><td class=PParameter nowrap>sender,</td></tr><tr><td></td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Handles the event by updating the preview.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.mouseUp"></a>mouseUp</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.mouseUp = function(</td><td class=PParameter nowrap>sender,</td></tr><tr><td></td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Handles the event to applying the previewed changes on the edge by using <a href="#mxEdgeHandler.moveLabel" class=LFunction id=link121 onMouseOver="ShowTip(event, 'tt62', 'link121')" onMouseOut="HideTip('tt62')">moveLabel</a>, <a href="#mxEdgeHandler.connect" class=LFunction id=link122 onMouseOver="ShowTip(event, 'tt63', 'link122')" onMouseOut="HideTip('tt63')">connect</a> or <a href="#mxEdgeHandler.changePoints" class=LFunction id=link123 onMouseOver="ShowTip(event, 'tt64', 'link123')" onMouseOut="HideTip('tt64')">changePoints</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.reset"></a>reset</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.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="mxEdgeHandler.setPreviewColor"></a>setPreviewColor</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.setPreviewColor = function(</td><td class=PParameter nowrap>color</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Sets the color of the preview to the given value.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.convertPoint"></a>convertPoint</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.convertPoint = function(</td><td class=PParameter nowrap>point,</td></tr><tr><td></td><td class=PParameter nowrap>gridEnabled</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Converts the given point in-place from screen to unscaled, untranslated graph coordinates and applies the grid.&nbsp; Returns the given, modified point instance.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>point</td><td class=CDLDescription><a href="../util/mxPoint-js.html#mxPoint" class=LClass id=link124 onMouseOver="ShowTip(event, 'tt86', 'link124')" onMouseOut="HideTip('tt86')">mxPoint</a> to be converted.</td></tr><tr><td class=CDLEntry>gridEnabled</td><td class=CDLDescription>Boolean that specifies if the grid should be applied.</td></tr></table></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.moveLabel"></a>moveLabel</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.moveLabel = function(</td><td class=PParameter nowrap>edgeState,</td></tr><tr><td></td><td class=PParameter nowrap>x,</td></tr><tr><td></td><td class=PParameter nowrap>y</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Changes the coordinates for the label of the given edge.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>edge</td><td class=CDLDescription><a href="../model/mxCell-js.html#mxCell" class=LClass id=link125 onMouseOver="ShowTip(event, 'tt83', 'link125')" onMouseOut="HideTip('tt83')">mxCell</a> that represents the edge.</td></tr><tr><td class=CDLEntry>x</td><td class=CDLDescription>Integer that specifies the x-coordinate of the new location.</td></tr><tr><td class=CDLEntry>y</td><td class=CDLDescription>Integer that specifies the y-coordinate of the new location.</td></tr></table></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.connect"></a>connect</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.connect = function(</td><td class=PParameter nowrap>edge,</td></tr><tr><td></td><td class=PParameter nowrap>terminal,</td></tr><tr><td></td><td class=PParameter nowrap>isSource,</td></tr><tr><td></td><td class=PParameter nowrap>isClone,</td></tr><tr><td></td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Changes the terminal or terminal point of the given edge in the graph model.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>edge</td><td class=CDLDescription><a href="../model/mxCell-js.html#mxCell" class=LClass id=link126 onMouseOver="ShowTip(event, 'tt83', 'link126')" onMouseOut="HideTip('tt83')">mxCell</a> that represents the edge to be reconnected.</td></tr><tr><td class=CDLEntry>terminal</td><td class=CDLDescription><a href="../model/mxCell-js.html#mxCell" class=LClass id=link127 onMouseOver="ShowTip(event, 'tt83', 'link127')" onMouseOut="HideTip('tt83')">mxCell</a> that represents the new terminal.</td></tr><tr><td class=CDLEntry>isSource</td><td class=CDLDescription>Boolean indicating if the new terminal is the source or target terminal.</td></tr><tr><td class=CDLEntry>isClone</td><td class=CDLDescription>Boolean indicating if the new connection should be a clone of the old edge.</td></tr><tr><td class=CDLEntry>me</td><td class=CDLDescription><a href="../util/mxMouseEvent-js.html#mxMouseEvent" class=LClass id=link128 onMouseOver="ShowTip(event, 'tt87', 'link128')" onMouseOut="HideTip('tt87')">mxMouseEvent</a> that contains the mouse up event.</td></tr></table></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.changeTerminalPoint"></a>changeTerminalPoint</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.changeTerminalPoint = function(</td><td class=PParameter nowrap>edge,</td></tr><tr><td></td><td class=PParameter nowrap>point,</td></tr><tr><td></td><td class=PParameter nowrap>isSource,</td></tr><tr><td></td><td class=PParameter nowrap>clone</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Changes the terminal point of the given edge.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.changePoints"></a>changePoints</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.changePoints = function(</td><td class=PParameter nowrap>edge,</td></tr><tr><td></td><td class=PParameter nowrap>points,</td></tr><tr><td></td><td class=PParameter nowrap>clone</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Changes the control points of the given edge in the graph model.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.addPoint"></a>addPoint</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.addPoint = function(</td><td class=PParameter nowrap>state,</td></tr><tr><td></td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Adds a control point for the given state and event.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.addPointAt"></a>addPointAt</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.addPointAt = function(</td><td class=PParameter nowrap>state,</td></tr><tr><td></td><td class=PParameter nowrap>x,</td></tr><tr><td></td><td class=PParameter nowrap>y</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Adds a control point at the given point.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.removePoint"></a>removePoint</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.removePoint = function(</td><td class=PParameter nowrap>state,</td></tr><tr><td></td><td class=PParameter nowrap>index</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Removes the control point at the given index from the given state.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.getHandleFillColor"></a>getHandleFillColor</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.getHandleFillColor = function(</td><td class=PParameter nowrap>index</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns the fillcolor for the handle at the given index.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.redraw"></a>redraw</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.redraw = function()</td></tr></table></blockquote><p>Redraws the preview, and the bends- and label control points.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.redrawHandles"></a>redrawHandles</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.redrawHandles = function()</td></tr></table></blockquote><p>Redraws the handles.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.redrawInnerBends"></a>redrawInnerBends</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.redrawInnerBends = function(</td><td class=PParameter nowrap>p0,</td></tr><tr><td></td><td class=PParameter nowrap>pe</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Updates and redraws the inner bends.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>p0</td><td class=CDLDescription><a href="../util/mxPoint-js.html#mxPoint" class=LClass id=link129 onMouseOver="ShowTip(event, 'tt86', 'link129')" onMouseOut="HideTip('tt86')">mxPoint</a> that represents the location of the first point.</td></tr><tr><td class=CDLEntry>pe</td><td class=CDLDescription><a href="../util/mxPoint-js.html#mxPoint" class=LClass id=link130 onMouseOver="ShowTip(event, 'tt86', 'link130')" onMouseOut="HideTip('tt86')">mxPoint</a> that represents the location of the last point.</td></tr></table></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.checkLabelHandle"></a>checkLabelHandle</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.checkLabelHandle = function(</td><td class=PParameter nowrap>b</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Checks if the label handle intersects the given bounds and moves it if it intersects.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.drawPreview"></a>drawPreview</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.drawPreview = function()</td></tr></table></blockquote><p>Redraws the preview.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.refresh"></a>refresh</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.refresh = function()</td></tr></table></blockquote><p>Refreshes the bends of this handler.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.destroyBends"></a>destroyBends</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.destroyBends = function()</td></tr></table></blockquote><p>Destroys all elements in <a href="#mxEdgeHandler.bends" class=LVariable id=link131 onMouseOver="ShowTip(event, 'tt12', 'link131')" onMouseOut="HideTip('tt12')">bends</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxEdgeHandler.destroy"></a>destroy</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.destroy = function()</td></tr></table></blockquote><p>Destroys the handler and all its resources and DOM nodes.&nbsp; This does normally not need to be called as handlers are destroyed automatically when the corresponding cell is deselected.</p></div></div></div>
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<div class=CToolTip id="tt1"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>function mxEdgeHandler(</td><td class=PParameter nowrap>state</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Constructs an edge handler for the specified mxCellState.</div></div><div class=CToolTip id="tt2"><div class=CClass>Represents the current state of a cell in a given mxGraphView.</div></div><div class=CToolTip id="tt3"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.graph</td></tr></table></blockquote>Reference to the enclosing mxGraph.</div></div><div class=CToolTip id="tt4"><div class=CClass>Extends mxEventSource to implement a graph component for the browser. </div></div><div class=CToolTip id="tt5"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.state</td></tr></table></blockquote>Reference to the mxCellState being modified.</div></div><div class=CToolTip id="tt6"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.marker</td></tr></table></blockquote>Holds the mxTerminalMarker which is used for highlighting terminals.</div></div><div class=CToolTip id="tt7"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.constraintHandler</td></tr></table></blockquote>Holds the mxConstraintHandler used for drawing and highlighting constraints.</div></div><div class=CToolTip id="tt8"><div class=CClass>Handles constraints on connection targets. </div></div><div class=CToolTip id="tt9"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.error</td></tr></table></blockquote>Holds the current validation error while a connection is being changed.</div></div><div class=CToolTip id="tt10"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.shape</td></tr></table></blockquote>Holds the mxShape that represents the preview edge.</div></div><div class=CToolTip id="tt11"><div class=CClass>Base class for all shapes. </div></div><div class=CToolTip id="tt12"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.bends</td></tr></table></blockquote>Holds the mxShapes that represent the points.</div></div><div class=CToolTip id="tt13"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.labelShape</td></tr></table></blockquote>Holds the mxShape that represents the label position.</div></div><div class=CToolTip id="tt14"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.cloneEnabled</td></tr></table></blockquote>Specifies if cloning by control-drag is enabled. </div></div><div class=CToolTip id="tt15"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.addEnabled</td></tr></table></blockquote>Specifies if adding bends by shift-click is enabled. </div></div><div class=CToolTip id="tt16"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.removeEnabled</td></tr></table></blockquote>Specifies if removing bends by shift-click is enabled. </div></div><div class=CToolTip id="tt17"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.preferHtml</td></tr></table></blockquote>Specifies if bends should be added to the graph container. </div></div><div class=CToolTip id="tt18"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.allowHandleBoundsCheck</td></tr></table></blockquote>Specifies if the bounds of handles should be used for hit-detection in IE Default is true.</div></div><div class=CToolTip id="tt19"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.snapToTerminals</td></tr></table></blockquote>Specifies if waypoints should snap to the routing centers of terminals. </div></div><div class=CToolTip id="tt20"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.handleImage</td></tr></table></blockquote>Optional mxImage to be used as handles. </div></div><div class=CToolTip id="tt21"><div class=CClass>Encapsulates the URL, width and height of an image.</div></div><div class=CToolTip id="tt22"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.tolerance</td></tr></table></blockquote>Optional tolerance for hit-detection in getHandleForEvent. </div></div><div class=CToolTip id="tt23"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.getHandleForEvent = function(</td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns the index of the handle for the given event.</div></div><div class=CToolTip id="tt24"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.outlineConnect</td></tr></table></blockquote>Specifies if connections to the outline of a highlighted target should be enabled. </div></div><div class=CToolTip id="tt25"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.manageLabelHandle</td></tr></table></blockquote>Specifies if the label handle should be moved if it intersects with another handle. </div></div><div class=CToolTip id="tt26"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.init = function()</td></tr></table></blockquote>Initializes the shapes required for this edge handler.</div></div><div class=CToolTip id="tt27"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.isAddPointEvent = function(</td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns true if the given event is a trigger to add a new point. </div></div><div class=CToolTip id="tt28"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.isRemovePointEvent = function(</td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns true if the given event is a trigger to remove a point. </div></div><div class=CToolTip id="tt29"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.getSelectionPoints = function(</td><td class=PParameter nowrap>state</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns the list of points that defines the selection stroke.</div></div><div class=CToolTip id="tt30"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.createSelectionShape = function(</td><td class=PParameter nowrap>points</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Creates the shape used to draw the selection border.</div></div><div class=CToolTip id="tt31"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.getSelectionColor = function()</td></tr></table></blockquote>Returns mxConstants.EDGE_SELECTION_COLOR.</div></div><div class=CToolTip id="tt32"><div class=CVariable>Defines the color to be used for the selection border of edges. </div></div><div class=CToolTip id="tt33"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.getSelectionStrokeWidth = function()</td></tr></table></blockquote>Returns mxConstants.EDGE_SELECTION_STROKEWIDTH.</div></div><div class=CToolTip id="tt34"><div class=CVariable>Defines the strokewidth to be used for edge selections. </div></div><div class=CToolTip id="tt35"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.isSelectionDashed = function()</td></tr></table></blockquote>Returns mxConstants.EDGE_SELECTION_DASHED.</div></div><div class=CToolTip id="tt36"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.isConnectableCell = function(</td><td class=PParameter nowrap>cell</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns true if the given cell is connectable. </div></div><div class=CToolTip id="tt37"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.getCellAt = function(</td><td class=PParameter nowrap>x,</td></tr><tr><td></td><td class=PParameter nowrap>y</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Creates and returns the mxCellMarker used in marker.</div></div><div class=CToolTip id="tt38"><div class=CClass>A helper class to process mouse locations and highlight cells.</div></div><div class=CToolTip id="tt39"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.createMarker = function()</td></tr></table></blockquote>Creates and returns the mxCellMarker used in marker.</div></div><div class=CToolTip id="tt40"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.validateConnection = function(</td><td class=PParameter nowrap>source,</td></tr><tr><td></td><td class=PParameter nowrap>target</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns the error message or an empty string if the connection for the given source, target pair is not valid. </div></div><div class=CToolTip id="tt41"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.createBends = function()</td></tr></table></blockquote>Creates and returns the bends used for modifying the edge. </div></div><div class=CToolTip id="tt42"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.isHandleEnabled = function(</td><td class=PParameter nowrap>index</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Creates the shape used to display the given bend.</div></div><div class=CToolTip id="tt43"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.isHandleVisible = function(</td><td class=PParameter nowrap>index</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns true if the handle at the given index is visible.</div></div><div class=CToolTip id="tt44"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.createHandleShape = function(</td><td class=PParameter nowrap>index</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Creates the shape used to display the given bend. </div></div><div class=CToolTip id="tt45"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.createLabelHandleShape = function()</td></tr></table></blockquote>Creates the shape used to display the the label handle.</div></div><div class=CToolTip id="tt46"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.initBend = function(</td><td class=PParameter nowrap>bend</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Helper method to initialize the given bend.</div></div><div class=CToolTip id="tt47"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.mouseDown = function(</td><td class=PParameter nowrap>sender,</td></tr><tr><td></td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Handles the event by checking if a special element of the handler was clicked, in which case the index parameter is non-null. </div></div><div class=CToolTip id="tt48"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.start = function(</td><td class=PParameter nowrap>x,</td></tr><tr><td></td><td class=PParameter nowrap>y,</td></tr><tr><td></td><td class=PParameter nowrap>index</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Starts the handling of the mouse gesture.</div></div><div class=CToolTip id="tt49"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.clonePreviewState = function(</td><td class=PParameter nowrap>point,</td></tr><tr><td></td><td class=PParameter nowrap>terminal</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns a clone of the current preview state for the given point and terminal.</div></div><div class=CToolTip id="tt50"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.getSnapToTerminalTolerance = function()</td></tr></table></blockquote>Returns the tolerance for the guides. </div></div><div class=CToolTip id="tt51"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.updateHint = function(</td><td class=PParameter nowrap>me,</td></tr><tr><td></td><td class=PParameter nowrap>point</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Hook for subclassers do show details while the handler is active.</div></div><div class=CToolTip id="tt52"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.removeHint = function()</td></tr></table></blockquote>Hooks for subclassers to hide details when the handler gets inactive.</div></div><div class=CToolTip id="tt53"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.roundLength = function(</td><td class=PParameter nowrap>length</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Hook for rounding the unscaled width or height. </div></div><div class=CToolTip id="tt54"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.isSnapToTerminalsEvent = function(</td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns true if snapToTerminals is true and if alt is not pressed.</div></div><div class=CToolTip id="tt55"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.getPointForEvent = function(</td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns the point for the given event.</div></div><div class=CToolTip id="tt56"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.getPreviewTerminalState = function(</td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Updates the given preview state taking into account the state of the constraint handler.</div></div><div class=CToolTip id="tt57"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.getPreviewPoints = function(</td><td class=PParameter nowrap>point</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Updates the given preview state taking into account the state of the constraint handler.</div></div><div class=CToolTip id="tt58"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.isOutlineConnectEvent = function(</td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns true if outlineConnect is true and the source of the event is the outline shape or shift is pressed.</div></div><div class=CToolTip id="tt59"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.updatePreviewState = function(</td><td class=PParameter nowrap>edge,</td></tr><tr><td></td><td class=PParameter nowrap>point,</td></tr><tr><td></td><td class=PParameter nowrap>terminalState,</td></tr><tr><td></td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Updates the given preview state taking into account the state of the constraint handler.</div></div><div class=CToolTip id="tt60"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.mouseMove = function(</td><td class=PParameter nowrap>sender,</td></tr><tr><td></td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Handles the event by updating the preview.</div></div><div class=CToolTip id="tt61"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.mouseUp = function(</td><td class=PParameter nowrap>sender,</td></tr><tr><td></td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Handles the event to applying the previewed changes on the edge by using moveLabel, connect or changePoints.</div></div><div class=CToolTip id="tt62"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.moveLabel = function(</td><td class=PParameter nowrap>edgeState,</td></tr><tr><td></td><td class=PParameter nowrap>x,</td></tr><tr><td></td><td class=PParameter nowrap>y</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Changes the coordinates for the label of the given edge.</div></div><div class=CToolTip id="tt63"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.connect = function(</td><td class=PParameter nowrap>edge,</td></tr><tr><td></td><td class=PParameter nowrap>terminal,</td></tr><tr><td></td><td class=PParameter nowrap>isSource,</td></tr><tr><td></td><td class=PParameter nowrap>isClone,</td></tr><tr><td></td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Changes the terminal or terminal point of the given edge in the graph model.</div></div><div class=CToolTip id="tt64"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.changePoints = function(</td><td class=PParameter nowrap>edge,</td></tr><tr><td></td><td class=PParameter nowrap>points,</td></tr><tr><td></td><td class=PParameter nowrap>clone</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Changes the control points of the given edge in the graph model.</div></div><div class=CToolTip id="tt65"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.reset = function()</td></tr></table></blockquote>Resets the state of this handler.</div></div><div class=CToolTip id="tt66"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.setPreviewColor = function(</td><td class=PParameter nowrap>color</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Sets the color of the preview to the given value.</div></div><div class=CToolTip id="tt67"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.convertPoint = function(</td><td class=PParameter nowrap>point,</td></tr><tr><td></td><td class=PParameter nowrap>gridEnabled</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Converts the given point in-place from screen to unscaled, untranslated graph coordinates and applies the grid. </div></div><div class=CToolTip id="tt68"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.changeTerminalPoint = function(</td><td class=PParameter nowrap>edge,</td></tr><tr><td></td><td class=PParameter nowrap>point,</td></tr><tr><td></td><td class=PParameter nowrap>isSource,</td></tr><tr><td></td><td class=PParameter nowrap>clone</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Changes the terminal point of the given edge.</div></div><div class=CToolTip id="tt69"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.addPoint = function(</td><td class=PParameter nowrap>state,</td></tr><tr><td></td><td class=PParameter nowrap>evt</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Adds a control point for the given state and event.</div></div><div class=CToolTip id="tt70"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.addPointAt = function(</td><td class=PParameter nowrap>state,</td></tr><tr><td></td><td class=PParameter nowrap>x,</td></tr><tr><td></td><td class=PParameter nowrap>y</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Adds a control point at the given point.</div></div><div class=CToolTip id="tt71"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.removePoint = function(</td><td class=PParameter nowrap>state,</td></tr><tr><td></td><td class=PParameter nowrap>index</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Removes the control point at the given index from the given state.</div></div><div class=CToolTip id="tt72"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.getHandleFillColor = function(</td><td class=PParameter nowrap>index</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns the fillcolor for the handle at the given index.</div></div><div class=CToolTip id="tt73"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.redraw = function()</td></tr></table></blockquote>Redraws the preview, and the bends- and label control points.</div></div><div class=CToolTip id="tt74"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.redrawHandles = function()</td></tr></table></blockquote>Redraws the handles.</div></div><div class=CToolTip id="tt75"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.redrawInnerBends = function(</td><td class=PParameter nowrap>p0,</td></tr><tr><td></td><td class=PParameter nowrap>pe</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Updates and redraws the inner bends.</div></div><div class=CToolTip id="tt76"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxEdgeHandler.prototype.checkLabelHandle = function(</td><td class=PParameter nowrap>b</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Checks if the label handle intersects the given bounds and moves it if it intersects.</div></div><div class=CToolTip id="tt77"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.drawPreview = function()</td></tr></table></blockquote>Redraws the preview.</div></div><div class=CToolTip id="tt78"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.refresh = function()</td></tr></table></blockquote>Refreshes the bends of this handler.</div></div><div class=CToolTip id="tt79"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.destroyBends = function()</td></tr></table></blockquote>Destroys all elements in bends.</div></div><div class=CToolTip id="tt80"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxEdgeHandler.prototype.destroy = function()</td></tr></table></blockquote>Destroys the handler and all its resources and DOM nodes. </div></div><div class=CToolTip id="tt81"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxGraph.prototype.createHandler = function(</td><td class=PParameter nowrap>state</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Creates a new handler for the given cell state. </div></div><div class=CToolTip id="tt82"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxGraph.prototype.getEdgeValidationError = function(</td><td class=PParameter nowrap>edge,</td></tr><tr><td></td><td class=PParameter nowrap>source,</td></tr><tr><td></td><td class=PParameter nowrap>target</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Returns the validation error message to be displayed when inserting or changing an edges&rsquo; connectivity. </div></div><div class=CToolTip id="tt83"><div class=CClass>Cells are the elements of the graph model. </div></div><div class=CToolTip id="tt84"><div class=CClass>Extends mxShape to implement a rectangle shape. </div></div><div class=CToolTip id="tt85"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxElbowEdgeHandler.prototype.createVirtualBend = function()</td></tr></table></blockquote>Creates a virtual bend that supports double clicking and calls mxGraph.flipEdge.</div></div><div class=CToolTip id="tt86"><div class=CClass>Implements a 2-dimensional vector with double precision coordinates.</div></div><div class=CToolTip id="tt87"><div class=CClass>Base class for all mouse events in mxGraph. </div></div><!--END_ND_TOOLTIPS-->
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