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<div id=Content><div class="CClass"><div class=CTopic id=MainTopic><h1 class=CTitle><a name="mxRubberband"></a>mxRubberband</h1><div class=CBody><p>Event handler that selects rectangular regions.&nbsp; This is not built-into <a href="../view/mxGraph-js.html#mxGraph" class=LClass id=link26 onMouseOver="ShowTip(event, 'tt20', 'link26')" onMouseOut="HideTip('tt20')">mxGraph</a>.&nbsp; To enable rubberband selection in a graph, use the following code.</p><h4 class=CHeading>Example</h4><blockquote><pre class="prettyprint">var rubberband = new mxRubberband(graph);</pre></blockquote><!--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="#mxRubberband" >mxRubberband</a></td><td class=SDescription>Event handler that selects rectangular regions. </td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#mxRubberband.Functions" >Functions</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxRubberband.mxRubberband" id=link1 onMouseOver="ShowTip(event, 'tt1', 'link1')" onMouseOut="HideTip('tt1')">mxRubberband</a></td><td class=SDescription>Constructs an event handler that selects rectangular regions in the graph using rubberband selection.</td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#mxRubberband.Variables" >Variables</a></td><td class=SDescription></td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxRubberband.defaultOpacity" id=link2 onMouseOver="ShowTip(event, 'tt2', 'link2')" onMouseOut="HideTip('tt2')">defaultOpacity</a></td><td class=SDescription>Specifies the default opacity to be used for the rubberband div. </td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxRubberband.enabled" id=link3 onMouseOver="ShowTip(event, 'tt3', 'link3')" onMouseOut="HideTip('tt3')">enabled</a></td><td class=SDescription>Specifies if events are handled. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxRubberband.div" id=link4 onMouseOver="ShowTip(event, 'tt4', 'link4')" onMouseOut="HideTip('tt4')">div</a></td><td class=SDescription>Holds the DIV element which is currently visible.</td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxRubberband.sharedDiv" id=link5 onMouseOver="ShowTip(event, 'tt5', 'link5')" onMouseOut="HideTip('tt5')">sharedDiv</a></td><td class=SDescription>Holds the DIV element which is used to display the rubberband.</td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxRubberband.currentX" id=link6 onMouseOver="ShowTip(event, 'tt6', 'link6')" onMouseOut="HideTip('tt6')">currentX</a></td><td class=SDescription>Holds the value of the x argument in the last call to <a href="#mxRubberband.update" class=LFunction id=link7 onMouseOver="ShowTip(event, 'tt7', 'link7')" onMouseOut="HideTip('tt7')">update</a>.</td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxRubberband.currentY" id=link8 onMouseOver="ShowTip(event, 'tt8', 'link8')" onMouseOut="HideTip('tt8')">currentY</a></td><td class=SDescription>Holds the value of the y argument in the last call to <a href="#mxRubberband.update" class=LFunction id=link9 onMouseOver="ShowTip(event, 'tt7', 'link9')" onMouseOut="HideTip('tt7')">update</a>.</td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#mxRubberband.Functions" >Functions</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxRubberband.isEnabled" id=link10 onMouseOver="ShowTip(event, 'tt9', 'link10')" onMouseOut="HideTip('tt9')">isEnabled</a></td><td class=SDescription>Returns true if events are handled. </td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxRubberband.setEnabled" id=link11 onMouseOver="ShowTip(event, 'tt10', 'link11')" onMouseOut="HideTip('tt10')">setEnabled</a></td><td class=SDescription>Enables or disables event handling. </td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a
<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="mxRubberband.Functions"></a>Functions</h3></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxRubberband.mxRubberband"></a>mxRubberband</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 mxRubberband(</td><td class=PParameter nowrap>graph</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Constructs an event handler that selects rectangular regions in the graph using rubberband selection.</p></div></div></div>
<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="mxRubberband.Variables"></a>Variables</h3></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxRubberband.defaultOpacity"></a>defaultOpacity</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxRubberband.prototype.defaultOpacity</td></tr></table></blockquote><p>Specifies the default opacity to be used for the rubberband div.&nbsp; Default is 20.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxRubberband.enabled"></a>enabled</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxRubberband.prototype.enabled</td></tr></table></blockquote><p>Specifies if events are handled.&nbsp; Default is true.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxRubberband.div"></a>div</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxRubberband.prototype.div</td></tr></table></blockquote><p>Holds the DIV element which is currently visible.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxRubberband.sharedDiv"></a>sharedDiv</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxRubberband.prototype.sharedDiv</td></tr></table></blockquote><p>Holds the DIV element which is used to display the rubberband.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxRubberband.currentX"></a>currentX</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxRubberband.prototype.currentX</td></tr></table></blockquote><p>Holds the value of the x argument in the last call to <a href="#mxRubberband.update" class=LFunction id=link27 onMouseOver="ShowTip(event, 'tt7', 'link27')" onMouseOut="HideTip('tt7')">update</a>.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxRubberband.currentY"></a>currentY</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxRubberband.prototype.currentY</td></tr></table></blockquote><p>Holds the value of the y argument in the last call to <a href="#mxRubberband.update" class=LFunction id=link28 onMouseOver="ShowTip(event, 'tt7', 'link28')" onMouseOut="HideTip('tt7')">update</a>.</p></div></div></div>
<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="mxRubberband.Functions"></a>Functions</h3></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxRubberband.isEnabled"></a>isEnabled</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxRubberband.prototype.isEnabled = function()</td></tr></table></blockquote><p>Returns true if events are handled.&nbsp; This implementation returns <a href="#mxRubberband.enabled" class=LVariable id=link29 onMouseOver="ShowTip(event, 'tt3', 'link29')" onMouseOut="HideTip('tt3')">enabled</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxRubberband.setEnabled"></a>setEnabled</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>mxRubberband.prototype.setEnabled = function(</td><td class=PParameter nowrap>enabled</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Enables or disables event handling.&nbsp; This implementation updates <a href="#mxRubberband.enabled" class=LVariable id=link30 onMouseOver="ShowTip(event, 'tt3', 'link30')" onMouseOut="HideTip('tt3')">enabled</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxRubberband.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>mxRubberband.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 initiating a rubberband selection.&nbsp; By consuming the event all subsequent events of the gesture are redirected to this handler.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxRubberband.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>mxRubberband.prototype.start = 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>Sets the start point for the rubberband selection.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxRubberband.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>mxRubberband.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 therubberband selection.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxRubberband.createShape"></a>createShape</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxRubberband.prototype.createShape = function()</td></tr></table></blockquote><p>Creates the rubberband selection shape.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxRubberband.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>mxRubberband.prototype.mouseUp = function(</td><td class=PParameter nowrap>sender,</td></tr><tr><td></td><td class=PParameter nowrap>me</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Handles the event by selecting the region of the rubberband using <a href="../view/mxGraph-js.html#mxGraph.selectRegion" class=LFunction id=link31 onMouseOver="ShowTip(event, 'tt16', 'link31')" onMouseOut="HideTip('tt16')">mxGraph.selectRegion</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxRubberband.reset"></a>reset</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxRubberband.prototype.reset = function()</td></tr></table></blockquote><p>Resets the state of the rubberband selection.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxRubberband.update"></a>update</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>mxRubberband.prototype.update = 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>Sets <a href="#mxRubberband.currentX" class=LVariable id=link32 onMouseOver="ShowTip(event, 'tt6', 'link32')" onMouseOut="HideTip('tt6')">currentX</a> and <a href="#mxRubberband.currentY" class=LVariable id=link33 onMouseOver="ShowTip(event, 'tt8', 'link33')" onMouseOut="HideTip('tt8')">currentY</a> and calls <a href="#mxRubberband.repaint" class=LFunction id=link34 onMouseOver="ShowTip(event, 'tt18', 'link34')" onMouseOut="HideTip('tt18')">repaint</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxRubberband.repaint"></a>repaint</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxRubberband.prototype.repaint = function()</td></tr></table></blockquote><p>Computes the bounding box and updates the style of the <a href="#mxRubberband.div" class=LVariable id=link35 onMouseOver="ShowTip(event, 'tt4', 'link35')" onMouseOut="HideTip('tt4')">div</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxRubberband.destroy"></a>destroy</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxRubberband.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, it is called automatically when the window unloads.</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 mxRubberband(</td><td class=PParameter nowrap>graph</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Constructs an event handler that selects rectangular regions in the graph using rubberband selection.</div></div><div class=CToolTip id="tt2"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxRubberband.prototype.defaultOpacity</td></tr></table></blockquote>Specifies the default opacity to be used for the rubberband div. </div></div><div class=CToolTip id="tt3"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxRubberband.prototype.enabled</td></tr></table></blockquote>Specifies if events are handled. </div></div><div class=CToolTip id="tt4"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxRubberband.prototype.div</td></tr></table></blockquote>Holds the DIV element which is currently visible.</div></div><div class=CToolTip id="tt5"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxRubberband.prototype.sharedDiv</td></tr></table></blockquote>Holds the DIV element which is used to display the rubberband.</div></div><div class=CToolTip id="tt6"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxRubberband.prototype.currentX</td></tr></table></blockquote>Holds the value of the x argument in the last call to update.</div></div><div class=CToolTip id="tt7"><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>mxRubberband.prototype.update = 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>Sets currentX and currentY and calls repaint.</div></div><div class=CToolTip id="tt8"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxRubberband.prototype.currentY</td></tr></table></blockquote>Holds the value of the y argument in the last call to update.</div></div><div class=CToolTip id="tt9"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td>mxRubberband.prototype.isEnabled = function()</td></tr></table></blockquote>Returns true if events are handled. </div></div><div class=CToolTip id="tt10"><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>mxRubberband.prototype.setEnabled = function(</td><td class=PParameter nowrap>enabled</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Enables or disables event handling. </div></div><div class=CToolTip id="tt11"><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>mxRubberband.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 initiating a rubberband selection. </div></div><div class=CToolTip id="tt12"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype prettyprint"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowr
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