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88 lines
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<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>mxCellOverlay</title><link rel="stylesheet" type="text/css" href="../../styles/main.css"><script language=JavaScript src="../../javascript/main.js"></script><script language=JavaScript src="../../javascript/prettify.js"></script><script language=JavaScript src="../../javascript/searchdata.js"></script></head><body class="ContentPage" onLoad="NDOnLoad();prettyPrint();"><script language=JavaScript><!--
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<div id=Content><div class="CClass"><div class=CTopic id=MainTopic><h1 class=CTitle><a name="mxCellOverlay"></a>mxCellOverlay</h1><div class=CBody><p>Extends <a href="../util/mxEventSource-js.html#mxEventSource" class=LClass id=link16 onMouseOver="ShowTip(event, 'tt1', 'link16')" onMouseOut="HideTip('tt1')">mxEventSource</a> to implement a graph overlay, represented by an icon and a tooltip. Overlays can handle and fire <click> events and are added to the graph using <a href="mxGraph-js.html#mxGraph.addCellOverlay" class=LFunction id=link17 onMouseOver="ShowTip(event, 'tt16', 'link17')" onMouseOut="HideTip('tt16')">mxGraph.addCellOverlay</a>, and removed using <a href="mxGraph-js.html#mxGraph.removeCellOverlay" class=LFunction id=link18 onMouseOver="ShowTip(event, 'tt17', 'link18')" onMouseOut="HideTip('tt17')">mxGraph.removeCellOverlay</a>, or <a href="mxGraph-js.html#mxGraph.removeCellOverlays" class=LFunction id=link19 onMouseOver="ShowTip(event, 'tt18', 'link19')" onMouseOut="HideTip('tt18')">mxGraph.removeCellOverlays</a> to remove all overlays. The <a href="mxGraph-js.html#mxGraph.getCellOverlays" class=LFunction id=link20 onMouseOver="ShowTip(event, 'tt19', 'link20')" onMouseOut="HideTip('tt19')">mxGraph.getCellOverlays</a> function returns the array of overlays for a given cell in a graph. If multiple overlays exist for the same cell, then <a href="#mxCellOverlay.getBounds" class=LFunction id=link21 onMouseOver="ShowTip(event, 'tt12', 'link21')" onMouseOut="HideTip('tt12')">getBounds</a> should be overridden in at least one of the overlays.</p><p>Overlays appear on top of all cells in a special layer. If this is not desirable, then the image must be rendered as part of the shape or label of the cell instead.</p><h4 class=CHeading>Example</h4><p>The following adds a new overlays for a given vertex and selects the cell if the overlay is clicked.</p><blockquote><pre class="prettyprint">var overlay = new mxCellOverlay(img, html);
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graph.addCellOverlay(vertex, overlay);
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overlay.addListener(mxEvent.CLICK, function(sender, evt)
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{
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var cell = evt.getProperty('cell');
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graph.setSelectionCell(cell);
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});</pre></blockquote><p>For cell overlays to be printed use <a href="mxPrintPreview-js.html#mxPrintPreview.printOverlays" class=LVariable id=link22 onMouseOver="ShowTip(event, 'tt20', 'link22')" onMouseOut="HideTip('tt20')">mxPrintPreview.printOverlays</a>.</p><!--START_ND_SUMMARY--><div class=Summary><div class=STitle>Summary</div><div class=SBorder><table border=0 cellspacing=0 cellpadding=0 class=STable><tr class="SMain"><td class=SEntry><a href="#mxCellOverlay" >mxCellOverlay</a></td><td class=SDescription>Extends <a href="../util/mxEventSource-js.html#mxEventSource" class=LClass id=link1 onMouseOver="ShowTip(event, 'tt1', 'link1')" onMouseOut="HideTip('tt1')">mxEventSource</a> to implement a graph overlay, represented by an icon and a tooltip. </td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#mxCellOverlay.Events" >Events</a></td><td class=SDescription></td></tr><tr class="SEvent SIndent2 SMarked"><td class=SEntry><a href="#mxCellOverlay.mxEvent.CLICK" >mxEvent.<wbr>CLICK</a></td><td class=SDescription>Fires when the user clicks on the overlay. </td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#mxCellOverlay.Functions" >Functions</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxCellOverlay.mxCellOverlay" id=link2 onMouseOver="ShowTip(event, 'tt2', 'link2')" onMouseOut="HideTip('tt2')">mxCellOverlay</a></td><td class=SDescription>Constructs a new overlay using the given image and tooltip.</td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#mxCellOverlay.Variables" >Variables</a></td><td class=SDescription></td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxCellOverlay.image" id=link3 onMouseOver="ShowTip(event, 'tt3', 'link3')" onMouseOut="HideTip('tt3')">image</a></td><td class=SDescription>Holds the <a href="../util/mxImage-js.html#mxImage" class=LClass id=link4 onMouseOver="ShowTip(event, 'tt4', 'link4')" onMouseOut="HideTip('tt4')">mxImage</a> to be used as the icon.</td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxCellOverlay.tooltip" id=link5 onMouseOver="ShowTip(event, 'tt5', 'link5')" onMouseOut="HideTip('tt5')">tooltip</a></td><td class=SDescription>Holds the optional string to be used as the tooltip.</td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxCellOverlay.align" id=link6 onMouseOver="ShowTip(event, 'tt6', 'link6')" onMouseOut="HideTip('tt6')">align</a></td><td class=SDescription>Holds the horizontal alignment for the overlay. </td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxCellOverlay.verticalAlign" id=link7 onMouseOver="ShowTip(event, 'tt7', 'link7')" onMouseOut="HideTip('tt7')">verticalAlign</a></td><td class=SDescription>Holds the vertical alignment for the overlay. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxCellOverlay.offset" id=link8 onMouseOver="ShowTip(event, 'tt8', 'link8')" onMouseOut="HideTip('tt8')">offset</a></td><td class=SDescription>Holds the offset as an <a href="../util/mxPoint-js.html#mxPoint" class=LClass id=link9 onMouseOver="ShowTip(event, 'tt9', 'link9')" onMouseOut="HideTip('tt9')">mxPoint</a>. </td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxCellOverlay.cursor" id=link10 onMouseOver="ShowTip(event, 'tt10', 'link10')" onMouseOut="HideTip('tt10')">cursor</a></td><td class=SDescription>Holds the cursor for the overlay. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxCellOverlay.defaultOverlap" id=link11 onMouseOver="ShowTip(event, 'tt11', 'link11')" onMouseOut="HideTip('tt11')">defaultOverlap</a></td><td class=SDescription>Defines the overlapping for the overlay, that is, the proportional distance from the origin to the point defined by the alignment. </td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#mxCellOverlay.Functions" >Functions</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxCellOverlay.getBounds" id=link12 onMouseOver
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<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="mxCellOverlay.Events"></a>Events</h3></div></div>
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<div class="CEvent"><div class=CTopic><h3 class=CTitle><a name="mxCellOverlay.mxEvent.CLICK"></a>mxEvent.<wbr>CLICK</h3><div class=CBody><p>Fires when the user clicks on the overlay. The <code>event</code> property contains the corresponding mouse event and the <code>cell</code> property contains the cell. For touch devices this is fired if the element receives a touchend event.</p></div></div></div>
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<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="mxCellOverlay.Functions"></a>Functions</h3></div></div>
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<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxCellOverlay.mxCellOverlay"></a>mxCellOverlay</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>function mxCellOverlay(</td><td class="PParameter prettyprint " nowrap>image,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>tooltip,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>align,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>verticalAlign,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>offset,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>cursor</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Constructs a new overlay using the given image and tooltip.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>image</td><td class=CDLDescription><a href="../util/mxImage-js.html#mxImage" class=LClass id=link23 onMouseOver="ShowTip(event, 'tt4', 'link23')" onMouseOut="HideTip('tt4')">mxImage</a> that represents the icon to be displayed.</td></tr><tr><td class=CDLEntry>tooltip</td><td class=CDLDescription>Optional string that specifies the tooltip.</td></tr><tr><td class=CDLEntry>align</td><td class=CDLDescription>Optional horizontal alignment for the overlay. Possible values are <ALIGN_LEFT>, <ALIGN_CENTER> and <ALIGN_RIGHT> (default).</td></tr><tr><td class=CDLEntry>verticalAlign</td><td class=CDLDescription>Vertical alignment for the overlay. Possible values are <ALIGN_TOP>, <ALIGN_MIDDLE> and <ALIGN_BOTTOM> (default).</td></tr></table></div></div></div>
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<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="mxCellOverlay.Variables"></a>Variables</h3></div></div>
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<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxCellOverlay.image"></a>image</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxCellOverlay.prototype.image</td></tr></table></blockquote><p>Holds the <a href="../util/mxImage-js.html#mxImage" class=LClass id=link24 onMouseOver="ShowTip(event, 'tt4', 'link24')" onMouseOut="HideTip('tt4')">mxImage</a> to be used as the icon.</p></div></div></div>
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<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxCellOverlay.tooltip"></a>tooltip</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxCellOverlay.prototype.tooltip</td></tr></table></blockquote><p>Holds the optional string to be used as the tooltip.</p></div></div></div>
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<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxCellOverlay.align"></a>align</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxCellOverlay.prototype.align</td></tr></table></blockquote><p>Holds the horizontal alignment for the overlay. Default is <a href="../util/mxConstants-js.html#mxConstants.ALIGN_RIGHT" class=LVariable id=link25 onMouseOver="ShowTip(event, 'tt21', 'link25')" onMouseOut="HideTip('tt21')">mxConstants.ALIGN_RIGHT</a>. For edges, the overlay always appears in the center of the edge.</p></div></div></div>
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<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxCellOverlay.verticalAlign"></a>verticalAlign</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxCellOverlay.prototype.verticalAlign</td></tr></table></blockquote><p>Holds the vertical alignment for the overlay. Default is <a href="../util/mxConstants-js.html#mxConstants.ALIGN_BOTTOM" class=LVariable id=link26 onMouseOver="ShowTip(event, 'tt22', 'link26')" onMouseOut="HideTip('tt22')">mxConstants.ALIGN_BOTTOM</a>. For edges, the overlay always appears in the center of the edge.</p></div></div></div>
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<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxCellOverlay.offset"></a>offset</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxCellOverlay.prototype.offset</td></tr></table></blockquote><p>Holds the offset as an <a href="../util/mxPoint-js.html#mxPoint" class=LClass id=link27 onMouseOver="ShowTip(event, 'tt9', 'link27')" onMouseOut="HideTip('tt9')">mxPoint</a>. The offset will be scaled according to the current scale.</p></div></div></div>
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<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxCellOverlay.cursor"></a>cursor</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxCellOverlay.prototype.cursor</td></tr></table></blockquote><p>Holds the cursor for the overlay. Default is ‘help’.</p></div></div></div>
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<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxCellOverlay.defaultOverlap"></a>defaultOverlap</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxCellOverlay.prototype.defaultOverlap</td></tr></table></blockquote><p>Defines the overlapping for the overlay, that is, the proportional distance from the origin to the point defined by the alignment. Default is 0.5.</p></div></div></div>
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<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="mxCellOverlay.Functions"></a>Functions</h3></div></div>
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<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxCellOverlay.getBounds"></a>getBounds</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxCellOverlay.prototype.getBounds = function(</td><td class="PParameter prettyprint " nowrap>state</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns the bounds of the overlay for the given <a href="mxCellState-js.html#mxCellState" class=LClass id=link28 onMouseOver="ShowTip(event, 'tt13', 'link28')" onMouseOut="HideTip('tt13')">mxCellState</a> as an <a href="../util/mxRectangle-js.html#mxRectangle" class=LClass id=link29 onMouseOver="ShowTip(event, 'tt14', 'link29')" onMouseOut="HideTip('tt14')">mxRectangle</a>. This should be overridden when using multiple overlays per cell so that the overlays do not overlap.</p><p>The following example will place the overlay along an edge (where x=[-1..1] from the start to the end of the edge and y is the orthogonal offset in px).</p><blockquote><pre class="prettyprint">overlay.getBounds = function(state)
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{
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var bounds = mxCellOverlay.prototype.getBounds.apply(this, arguments);
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if (state.view.graph.getModel().isEdge(state.cell))
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{
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var pt = state.view.getPoint(state, {x: 0, y: 0, relative: true});
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bounds.x = pt.x - bounds.width / 2;
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bounds.y = pt.y - bounds.height / 2;
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}
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return bounds;
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};</pre></blockquote><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="mxCellState-js.html#mxCellState" class=LClass id=link30 onMouseOver="ShowTip(event, 'tt13', 'link30')" onMouseOut="HideTip('tt13')">mxCellState</a> that represents the current state of the associated cell.</td></tr></table></div></div></div>
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<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxCellOverlay.toString"></a>toString</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxCellOverlay.prototype.toString = function()</td></tr></table></blockquote><p>Returns the textual representation of the overlay to be used as the tooltip. This implementation returns <a href="#mxCellOverlay.tooltip" class=LVariable id=link31 onMouseOver="ShowTip(event, 'tt5', 'link31')" onMouseOut="HideTip('tt5')">tooltip</a>.</p></div></div></div>
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<div id=Menu><div class=MEntry><div class=MFile><a href="../index-txt.html">API Specification</a></div></div><div class=MEntry><div class=MGroup><a href="javascript:ToggleMenu('MGroupContent1')">Editor</a><div class=MGroupContent id=MGroupContent1><div class=MEntry><div class=MFile><a href="../editor/mxDefaultKeyHandler-js.html">mxDefaultKeyHandler</a></div></div><div class=MEntry><div class=MFile><a href="../editor/mxDefaultPopupMenu-js.html">mxDefaultPopupMenu</a></div></div><div class=MEntry><div class=MFile><a href="../editor/mxDefaultToolbar-js.html">mxDefaultToolbar</a></div></div><div class=MEntry><div class=MFile><a href="../editor/mxEditor-js.html">mxEditor</a></div></div></div></div></div><div class=MEntry><div class=MGroup><a href="javascript:ToggleMenu('MGroupContent2')">Handler</a><div class=MGroupContent id=MGroupContent2><div class=MEntry><div class=MFile><a href="../handler/mxCellHighlight-js.html">mxCellHighlight</a></div></div><div class=MEntry><div class=MFile><a href="../handler/mxCellMarker-js.html">mxCellMarker</a></div></div><div class=MEntry><div class=MFile><a href="../handler/mxCellTracker-js.html">mxCellTracker</a></div></div><div class=MEntry><div class=MFile><a href="../handler/mxConnectionHandler-js.html">mxConnectionHandler</a></div></div><div class=MEntry><div class=MFile><a href="../handler/mxConstraintHandler-js.html">mxConstraintHandler</a></div></div><div class=MEntry><div class=MFile><a href="../handler/mxEdgeHandler-js.html">mxEdgeHandler</a></div></div><div class=MEntry><div class=MFile><a href="../handler/mxEdgeSegmentHandler-js.html">mxEdgeSegmentHandler.js</a></div></div><div class=MEntry><div class=MFile><a href="../handler/mxElbowEdgeHandler-js.html">mxElbowEdgeHandler</a></div></div><div class=MEntry><div class=MFile><a href="../handler/mxGraphHandler-js.html">mxGraphHandler</a></div></div><div class=MEntry><div class=MFile><a href="../handler/mxHandle-js.html">mxHandle</a></div></div><div class=MEntry><div class=MFile><a href="../handler/mxKeyHandler-js.html">mxKeyHandler</a></div></div><div class=MEntry><div class=MFile><a href="../handler/mxPanningHandler-js.html">mxPanningHandler</a></div></div><div class=MEntry><div class=MFile><a href="../handler/mxPopupMenuHandler-js.html">mxPopupMenuHandler</a></div></div><div class=MEntry><div class=MFile><a href="../handler/mxRubberband-js.html">mxRubberband</a></div></div><div class=MEntry><div class=MFile><a href="../handler/mxSelectionCellsHandler-js.html">mxSelectionCellsHandler</a></div></div><div class=MEntry><div class=MFile><a href="../handler/mxTooltipHandler-js.html">mxTooltipHandler</a></div></div><div class=MEntry><div class=MFile><a href="../handler/mxVertexHandler-js.html">mxVertexHandler</a></div></div></div></div></div><div class=MEntry><div class=MGroup><a href="javascript:ToggleMenu('MGroupContent3')">Io</a><div class=MGroupContent id=MGroupContent3><div class=MEntry><div class=MFile><a href="../io/mxCellCodec-js.html">mxCellCodec</a></div></div><div class=MEntry><div class=MFile><a href="../io/mxChildChangeCodec-js.html">mxChildChangeCodec</a></div></div><div class=MEntry><div class=MFile><a href="../io/mxCodec-js.html">mxCodec</a></div></div><div class=MEntry><div class=MFile><a href="../io/mxCodecRegistry-js.html">mxCodecRegistry</a></div></div><div class=MEntry><div class=MFile><a href="../io/mxDefaultKeyHandlerCodec-js.html">mxDefaultKeyHandlerCodec</a></div></div><div class=MEntry><div class=MFile><a href="../io/mxDefaultPopupMenuCodec-js.html">mxDefaultPopupMenuCodec</a></div></div><div class=MEntry><div class=MFile><a href="../io/mxDefaultToolbarCodec-js.html">mxDefaultToolbarCodec</a></div></div><div class=MEntry><div class=MFile><a href="../io/mxEditorCodec-js.html">mxEditorCodec</a></div></div><div class=MEntry><div class=MFile><a href="../io/mxGenericChangeCodec-js.html">mxGenericChangeCodec</a></div></div><div class=MEntry><div class=MFile><a href="../io/mxGraphCodec-js.html">mxGraphCodec</a></div></div><div class=MEntry><div class=MFile><a href="../io/mxGraphViewCodec-js.html">mxGraphViewCodec</a></di
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<div class=CToolTip id="tt1"><div class=CClass>Base class for objects that dispatch named events. </div></div><div class=CToolTip id="tt2"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>function mxCellOverlay(</td><td class="PParameter prettyprint " nowrap>image,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>tooltip,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>align,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>verticalAlign,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>offset,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>cursor</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Constructs a new overlay using the given image and tooltip.</div></div><div class=CToolTip id="tt3"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxCellOverlay.prototype.image</td></tr></table></blockquote>Holds the mxImage to be used as the icon.</div></div><div class=CToolTip id="tt4"><div class=CClass>Encapsulates the URL, width and height of an image.</div></div><div class=CToolTip id="tt5"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxCellOverlay.prototype.tooltip</td></tr></table></blockquote>Holds the optional string to be used as the tooltip.</div></div><div class=CToolTip id="tt6"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxCellOverlay.prototype.align</td></tr></table></blockquote>Holds the horizontal alignment for the overlay. </div></div><div class=CToolTip id="tt7"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxCellOverlay.prototype.verticalAlign</td></tr></table></blockquote>Holds the vertical alignment for the overlay. </div></div><div class=CToolTip id="tt8"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxCellOverlay.prototype.offset</td></tr></table></blockquote>Holds the offset as an mxPoint. </div></div><div class=CToolTip id="tt9"><div class=CClass>Implements a 2-dimensional vector with double precision coordinates.</div></div><div class=CToolTip id="tt10"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxCellOverlay.prototype.cursor</td></tr></table></blockquote>Holds the cursor for the overlay. </div></div><div class=CToolTip id="tt11"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxCellOverlay.prototype.defaultOverlap</td></tr></table></blockquote>Defines the overlapping for the overlay, that is, the proportional distance from the origin to the point defined by the alignment. </div></div><div class=CToolTip id="tt12"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>mxCellOverlay.prototype.getBounds = function(</td><td class="PParameter prettyprint " nowrap>state</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Returns the bounds of the overlay for the given mxCellState as an mxRectangle. </div></div><div class=CToolTip id="tt13"><div class=CClass>Represents the current state of a cell in a given mxGraphView.</div></div><div class=CToolTip id="tt14"><div class=CClass>Extends mxPoint to implement a 2-dimensional rectangle with double precision coordinates.</div></div><div class=CToolTip id="tt15"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prot
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