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<div class="subTitle">com.mxgraph.swing.handler</div>
<h2 title="Class mxConnectionHandler" class="title">Class mxConnectionHandler</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li><a href="../../../../com/mxgraph/swing/util/mxMouseAdapter.html" title="class in com.mxgraph.swing.util">com.mxgraph.swing.util.mxMouseAdapter</a></li>
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<ul class="inheritance">
<li>com.mxgraph.swing.handler.mxConnectionHandler</li>
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<dt>All Implemented Interfaces:</dt>
<dd>java.awt.event.MouseListener, java.awt.event.MouseMotionListener, java.util.EventListener</dd>
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<pre>public class <span class="typeNameLabel">mxConnectionHandler</span>
extends <a href="../../../../com/mxgraph/swing/util/mxMouseAdapter.html" title="class in com.mxgraph.swing.util">mxMouseAdapter</a></pre>
<div class="block">Connection handler creates new connections between cells. This control is used to display the connector
icon, while the preview is used to draw the line.
mxEvent.CONNECT fires between begin- and endUpdate in mouseReleased. The <code>cell</code>
property contains the inserted edge, the <code>event</code> and <code>target</code>
properties contain the respective arguments that were passed to mouseReleased.</div>
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<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#active">active</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected java.awt.Rectangle</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#bounds">bounds</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static java.awt.Cursor</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#CONNECT_CURSOR">CONNECT_CURSOR</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected javax.swing.ImageIcon</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#connectIcon">connectIcon</a></span></code>
<div class="block">Specifies the icon to be used for creating new connections.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../com/mxgraph/swing/handler/mxConnectPreview.html" title="class in com.mxgraph.swing.handler">mxConnectPreview</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#connectPreview">connectPreview</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#createTarget">createTarget</a></span></code>
<div class="block">Specifies if the source should be cloned and used as a target if no
target was selected.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#enabled">enabled</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected java.lang.String</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#error">error</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../com/mxgraph/util/mxEventSource.html" title="class in com.mxgraph.util">mxEventSource</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#eventSource">eventSource</a></span></code>
<div class="block">Holds the event source.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected java.awt.Point</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#first">first</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../com/mxgraph/swing/mxGraphComponent.html" title="class in com.mxgraph.swing">mxGraphComponent</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#graphComponent">graphComponent</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#handleEnabled">handleEnabled</a></span></code>
<div class="block">Specifies if a handle should be used for creating new connections.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#handleSize">handleSize</a></span></code>
<div class="block">Specifies the size of the handle to be used for creating new
connections.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#keepOnTop">keepOnTop</a></span></code>
<div class="block">Appearance and event handling order wrt subhandles.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../com/mxgraph/swing/handler/mxCellMarker.html" title="class in com.mxgraph.swing.handler">mxCellMarker</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#marker">marker</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../com/mxgraph/util/mxEventSource.mxIEventListener.html" title="interface in com.mxgraph.util">mxEventSource.mxIEventListener</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#resetHandler">resetHandler</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#select">select</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../com/mxgraph/view/mxCellState.html" title="class in com.mxgraph.view">mxCellState</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#source">source</a></span></code>&nbsp;</td>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#mxConnectionHandler-com.mxgraph.swing.mxGraphComponent-">mxConnectionHandler</a></span>(<a href="../../../../com/mxgraph/swing/mxGraphComponent.html" title="class in com.mxgraph.swing">mxGraphComponent</a>&nbsp;graphComponent)</code>&nbsp;</td>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
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<tr id="i0" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#addGraphListeners-com.mxgraph.view.mxGraph-">addGraphListeners</a></span>(<a href="../../../../com/mxgraph/view/mxGraph.html" title="class in com.mxgraph.view">mxGraph</a>&nbsp;graph)</code>
<div class="block">Installs the listeners to update the handles after any changes.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#addListener-java.lang.String-com.mxgraph.util.mxEventSource.mxIEventListener-">addListener</a></span>(java.lang.String&nbsp;eventName,
<a href="../../../../com/mxgraph/util/mxEventSource.mxIEventListener.html" title="interface in com.mxgraph.util">mxEventSource.mxIEventListener</a>&nbsp;listener)</code>
<div class="block">Adds the given event listener.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>protected <a href="../../../../com/mxgraph/swing/handler/mxConnectPreview.html" title="class in com.mxgraph.swing.handler">mxConnectPreview</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#createConnectPreview--">createConnectPreview</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>java.lang.Object</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#createTargetVertex-java.awt.event.MouseEvent-java.lang.Object-">createTargetVertex</a></span>(java.awt.event.MouseEvent&nbsp;e,
java.lang.Object&nbsp;source)</code>&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>javax.swing.ImageIcon</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#getConnecIcon--">getConnecIcon</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code><a href="../../../../com/mxgraph/swing/handler/mxConnectPreview.html" title="class in com.mxgraph.swing.handler">mxConnectPreview</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#getConnectPreview--">getConnectPreview</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#getHandleSize--">getHandleSize</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code><a href="../../../../com/mxgraph/swing/handler/mxCellMarker.html" title="class in com.mxgraph.swing.handler">mxCellMarker</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#getMarker--">getMarker</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#isActive--">isActive</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#isConnecting--">isConnecting</a></span>()</code>
<div class="block">Returns true if the source terminal has been clicked and a new
connection is currently being previewed.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#isCreateTarget--">isCreateTarget</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#isEnabled--">isEnabled</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#isHandleEnabled--">isHandleEnabled</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#isHighlighting--">isHighlighting</a></span>()</code>
<div class="block">Returns true if no connectIcon is specified and handleEnabled is false.</div>
</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#isKeepOnTop--">isKeepOnTop</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#isSelect--">isSelect</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#isValidSource-java.lang.Object-">isValidSource</a></span>(java.lang.Object&nbsp;cell)</code>&nbsp;</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#isValidTarget-java.lang.Object-">isValidTarget</a></span>(java.lang.Object&nbsp;cell)</code>
<div class="block">Returns true.</div>
</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#mouseDragged-java.awt.event.MouseEvent-">mouseDragged</a></span>(java.awt.event.MouseEvent&nbsp;e)</code>&nbsp;</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#mouseMoved-java.awt.event.MouseEvent-">mouseMoved</a></span>(java.awt.event.MouseEvent&nbsp;e)</code>&nbsp;</td>
</tr>
<tr id="i20" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#mousePressed-java.awt.event.MouseEvent-">mousePressed</a></span>(java.awt.event.MouseEvent&nbsp;e)</code>&nbsp;</td>
</tr>
<tr id="i21" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#mouseReleased-java.awt.event.MouseEvent-">mouseReleased</a></span>(java.awt.event.MouseEvent&nbsp;e)</code>&nbsp;</td>
</tr>
<tr id="i22" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#paint-java.awt.Graphics-">paint</a></span>(java.awt.Graphics&nbsp;g)</code>&nbsp;</td>
</tr>
<tr id="i23" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#removeGraphListeners-com.mxgraph.view.mxGraph-">removeGraphListeners</a></span>(<a href="../../../../com/mxgraph/view/mxGraph.html" title="class in com.mxgraph.view">mxGraph</a>&nbsp;graph)</code>
<div class="block">Removes all installed listeners.</div>
</td>
</tr>
<tr id="i24" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#removeListener-com.mxgraph.util.mxEventSource.mxIEventListener-">removeListener</a></span>(<a href="../../../../com/mxgraph/util/mxEventSource.mxIEventListener.html" title="interface in com.mxgraph.util">mxEventSource.mxIEventListener</a>&nbsp;listener)</code>
<div class="block">Removes the given event listener.</div>
</td>
</tr>
<tr id="i25" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#removeListener-com.mxgraph.util.mxEventSource.mxIEventListener-java.lang.String-">removeListener</a></span>(<a href="../../../../com/mxgraph/util/mxEventSource.mxIEventListener.html" title="interface in com.mxgraph.util">mxEventSource.mxIEventListener</a>&nbsp;listener,
java.lang.String&nbsp;eventName)</code>
<div class="block">Removes the given event listener for the specified event name.</div>
</td>
</tr>
<tr id="i26" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#reset--">reset</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i27" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#setBounds-java.awt.Rectangle-">setBounds</a></span>(java.awt.Rectangle&nbsp;value)</code>&nbsp;</td>
</tr>
<tr id="i28" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#setConnectIcon-javax.swing.ImageIcon-">setConnectIcon</a></span>(javax.swing.ImageIcon&nbsp;value)</code>&nbsp;</td>
</tr>
<tr id="i29" class="rowColor">
<td class="colFirst"><code>void</code></td>
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<tr id="i30" class="altColor">
<td class="colFirst"><code>void</code></td>
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<tr id="i31" class="rowColor">
<td class="colFirst"><code>void</code></td>
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<tr id="i32" class="altColor">
<td class="colFirst"><code>void</code></td>
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<tr id="i33" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#setHandleSize-int-">setHandleSize</a></span>(int&nbsp;value)</code>&nbsp;</td>
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<tr id="i34" class="altColor">
<td class="colFirst"><code>void</code></td>
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<tr id="i35" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#setMarker-com.mxgraph.swing.handler.mxCellMarker-">setMarker</a></span>(<a href="../../../../com/mxgraph/swing/handler/mxCellMarker.html" title="class in com.mxgraph.swing.handler">mxCellMarker</a>&nbsp;value)</code>&nbsp;</td>
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<tr id="i36" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/mxgraph/swing/handler/mxConnectionHandler.html#setSelect-boolean-">setSelect</a></span>(boolean&nbsp;value)</code>&nbsp;</td>
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<tr id="i37" class="rowColor">
<td class="colFirst"><code>void</code></td>
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<td class="colFirst"><code>java.lang.String</code></td>
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<pre>public&nbsp;void&nbsp;removeListener(<a href="../../../../com/mxgraph/util/mxEventSource.mxIEventListener.html" title="interface in com.mxgraph.util">mxEventSource.mxIEventListener</a>&nbsp;listener)</pre>
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<pre>public&nbsp;void&nbsp;removeListener(<a href="../../../../com/mxgraph/util/mxEventSource.mxIEventListener.html" title="interface in com.mxgraph.util">mxEventSource.mxIEventListener</a>&nbsp;listener,
java.lang.String&nbsp;eventName)</pre>
<div class="block">Removes the given event listener for the specified event name.</div>
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<pre>public&nbsp;void&nbsp;paint(java.awt.Graphics&nbsp;g)</pre>
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