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<div class="subTitle">com.mxgraph.sharing</div>
<h2 title="Class mxSharedState" class="title">Class mxSharedState</h2>
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<pre>public class <span class="strong">mxSharedState</span>
extends <a href="../../../com/mxgraph/util/mxEventSource.html" title="class in com.mxgraph.util">mxEventSource</a></pre>
<div class="block">Implements a diagram that may be shared among multiple sessions. This
implementation is based only on string, it does not have a model instance.
The diagram is represented by its initial state and the sequence of edits
as applied to the diagram.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Class and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>static interface&nbsp;</code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/sharing/mxSharedState.mxDiagramChangeListener.html" title="interface in com.mxgraph.sharing">mxSharedState.mxDiagramChangeListener</a></strong></code>
<div class="block">Defines the requirements for an object that listens to changes on the
shared diagram.</div>
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<h3>Nested classes/interfaces inherited from class&nbsp;com.mxgraph.util.<a href="../../../com/mxgraph/util/mxEventSource.html" title="class in com.mxgraph.util">mxEventSource</a></h3>
<code><a href="../../../com/mxgraph/util/mxEventSource.mxIEventListener.html" title="interface in com.mxgraph.util">mxEventSource.mxIEventListener</a></code></li>
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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>
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<tr class="altColor">
<td class="colFirst"><code>protected <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/StringBuffer.html?is-external=true" title="class or interface in java.lang">StringBuffer</a></code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/sharing/mxSharedState.html#delta">delta</a></strong></code>
<div class="block">Holds the history of all changes of initial state.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../com/mxgraph/sharing/mxSharedState.mxDiagramChangeListener.html" title="interface in com.mxgraph.sharing">mxSharedState.mxDiagramChangeListener</a>&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/sharing/mxSharedState.html#diagramChangeListeners">diagramChangeListeners</a></strong></code>
<div class="block">Holds a list of diagram change listeners.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/sharing/mxSharedState.html#state">state</a></strong></code>
<div class="block">Holds the initial state of the diagram.</div>
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<h3>Fields inherited from class&nbsp;com.mxgraph.util.<a href="../../../com/mxgraph/util/mxEventSource.html" title="class in com.mxgraph.util">mxEventSource</a></h3>
<code><a href="../../../com/mxgraph/util/mxEventSource.html#eventListeners">eventListeners</a>, <a href="../../../com/mxgraph/util/mxEventSource.html#eventsEnabled">eventsEnabled</a>, <a href="../../../com/mxgraph/util/mxEventSource.html#eventSource">eventSource</a></code></li>
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<td class="colOne"><code><strong><a href="../../../com/mxgraph/sharing/mxSharedState.html#mxSharedState(java.lang.String)">mxSharedState</a></strong>(<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;state)</code>
<div class="block">Constructs a new diagram with the given state.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/sharing/mxSharedState.html#addDelta(java.lang.String)">addDelta</a></strong>(<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;xml)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/sharing/mxSharedState.html#addDiagramChangeListener(com.mxgraph.sharing.mxSharedState.mxDiagramChangeListener)">addDiagramChangeListener</a></strong>(<a href="../../../com/mxgraph/sharing/mxSharedState.mxDiagramChangeListener.html" title="interface in com.mxgraph.sharing">mxSharedState.mxDiagramChangeListener</a>&nbsp;listener)</code>
<div class="block">Adds the given listener to the list of diagram change listeners.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/sharing/mxSharedState.html#getDelta()">getDelta</a></strong>()</code>
<div class="block">Returns the history of all changes as a string.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/sharing/mxSharedState.html#getState()">getState</a></strong>()</code>
<div class="block">Returns the initial state of the diagram.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/sharing/mxSharedState.html#processDelta(java.lang.Object, org.w3c.dom.Node)">processDelta</a></strong>(<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;sender,
<a href="http://download.oracle.com/javase/1.5.0/docs/api/org/w3c/dom/Node.html?is-external=true" title="class or interface in org.w3c.dom">Node</a>&nbsp;delta)</code>
<div class="block">Appends the given string to the history and dispatches the change to all
sessions that are listening to this shared diagram.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/sharing/mxSharedState.html#processEdit(org.w3c.dom.Node)">processEdit</a></strong>(<a href="http://download.oracle.com/javase/1.5.0/docs/api/org/w3c/dom/Node.html?is-external=true" title="class or interface in org.w3c.dom">Node</a>&nbsp;node)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/sharing/mxSharedState.html#removeDiagramChangeListener(com.mxgraph.sharing.mxSharedState.mxDiagramChangeListener)">removeDiagramChangeListener</a></strong>(<a href="../../../com/mxgraph/sharing/mxSharedState.mxDiagramChangeListener.html" title="interface in com.mxgraph.sharing">mxSharedState.mxDiagramChangeListener</a>&nbsp;listener)</code>
<div class="block">Removes the given listener from the list of diagram change listeners.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/sharing/mxSharedState.html#resetDelta()">resetDelta</a></strong>()</code>
<div class="block">Clears the history of all changes.</div>
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<h3>Methods inherited from class&nbsp;com.mxgraph.util.<a href="../../../com/mxgraph/util/mxEventSource.html" title="class in com.mxgraph.util">mxEventSource</a></h3>
<code><a href="../../../com/mxgraph/util/mxEventSource.html#addListener(java.lang.String, com.mxgraph.util.mxEventSource.mxIEventListener)">addListener</a>, <a href="../../../com/mxgraph/util/mxEventSource.html#fireEvent(com.mxgraph.util.mxEventObject)">fireEvent</a>, <a href="../../../com/mxgraph/util/mxEventSource.html#fireEvent(com.mxgraph.util.mxEventObject, java.lang.Object)">fireEvent</a>, <a href="../../../com/mxgraph/util/mxEventSource.html#getEventSource()">getEventSource</a>, <a href="../../../com/mxgraph/util/mxEventSource.html#isEventsEnabled()">isEventsEnabled</a>, <a href="../../../com/mxgraph/util/mxEventSource.html#removeListener(com.mxgraph.util.mxEventSource.mxIEventListener)">removeListener</a>, <a href="../../../com/mxgraph/util/mxEventSource.html#removeListener(com.mxgraph.util.mxEventSource.mxIEventListener, java.lang.String)">removeListener</a>, <a href="../../../com/mxgraph/util/mxEventSource.html#setEventsEnabled(boolean)">setEventsEnabled</a>, <a href="../../../com/mxgraph/util/mxEventSource.html#setEventSource(java.lang.Object)">setEventSource</a></code></li>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a>, <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</a></code></li>
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<h4>diagramChangeListeners</h4>
<pre>protected&nbsp;<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../com/mxgraph/sharing/mxSharedState.mxDiagramChangeListener.html" title="interface in com.mxgraph.sharing">mxSharedState.mxDiagramChangeListener</a>&gt; diagramChangeListeners</pre>
<div class="block">Holds a list of diagram change listeners.</div>
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<h4>state</h4>
<pre>protected&nbsp;<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> state</pre>
<div class="block">Holds the initial state of the diagram.</div>
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<h4>delta</h4>
<pre>protected&nbsp;<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/StringBuffer.html?is-external=true" title="class or interface in java.lang">StringBuffer</a> delta</pre>
<div class="block">Holds the history of all changes of initial state.</div>
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<h4>mxSharedState</h4>
<pre>public&nbsp;mxSharedState(<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;state)</pre>
<div class="block">Constructs a new diagram with the given state.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>state</code> - Initial state of the diagram.</dd></dl>
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<h4>getState</h4>
<pre>public&nbsp;<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;getState()</pre>
<div class="block">Returns the initial state of the diagram.</div>
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<pre>public&nbsp;<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;getDelta()</pre>
<div class="block">Returns the history of all changes as a string.</div>
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<a name="processDelta(java.lang.Object, org.w3c.dom.Node)">
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<h4>processDelta</h4>
<pre>public&nbsp;void&nbsp;processDelta(<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;sender,
<a href="http://download.oracle.com/javase/1.5.0/docs/api/org/w3c/dom/Node.html?is-external=true" title="class or interface in org.w3c.dom">Node</a>&nbsp;delta)</pre>
<div class="block">Appends the given string to the history and dispatches the change to all
sessions that are listening to this shared diagram.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>sender</code> - Session where the change originated from.</dd><dd><code>delta</code> - XML that represents the change.</dd></dl>
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<pre>protected&nbsp;<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;processEdit(<a href="http://download.oracle.com/javase/1.5.0/docs/api/org/w3c/dom/Node.html?is-external=true" title="class or interface in org.w3c.dom">Node</a>&nbsp;node)</pre>
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<h4>addDelta</h4>
<pre>public&nbsp;void&nbsp;addDelta(<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;xml)</pre>
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<pre>public&nbsp;void&nbsp;resetDelta()</pre>
<div class="block">Clears the history of all changes.</div>
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<h4>addDiagramChangeListener</h4>
<pre>public&nbsp;void&nbsp;addDiagramChangeListener(<a href="../../../com/mxgraph/sharing/mxSharedState.mxDiagramChangeListener.html" title="interface in com.mxgraph.sharing">mxSharedState.mxDiagramChangeListener</a>&nbsp;listener)</pre>
<div class="block">Adds the given listener to the list of diagram change listeners.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>listener</code> - Diagram change listener to be added.</dd></dl>
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<h4>removeDiagramChangeListener</h4>
<pre>public&nbsp;void&nbsp;removeDiagramChangeListener(<a href="../../../com/mxgraph/sharing/mxSharedState.mxDiagramChangeListener.html" title="interface in com.mxgraph.sharing">mxSharedState.mxDiagramChangeListener</a>&nbsp;listener)</pre>
<div class="block">Removes the given listener from the list of diagram change listeners.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>listener</code> - Diagram change listener to be removed.</dd></dl>
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