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<div id=Content><div class="CClass"><div class=CTopic id=MainTopic><h1 class=CTitle><a name="mxAutoSaveManager"></a>mxAutoSaveManager</h1><div class=CBody><p>Manager for automatically saving diagrams.&nbsp; The <a href="#mxAutoSaveManager.save" class=LFunction id=link20 onMouseOver="ShowTip(event, 'tt14', 'link20')" onMouseOut="HideTip('tt14')">save</a> hook must be implemented.</p><h4 class=CHeading>Example</h4><blockquote><pre class="prettyprint">var mgr = new mxAutoSaveManager(editor.graph);
mgr.save = function()
{
mxLog.show();
mxLog.debug('save');
};</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="#mxAutoSaveManager" >mxAutoSaveManager</a></td><td class=SDescription>Manager for automatically saving diagrams. </td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#mxAutoSaveManager.Functions" >Functions</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxAutoSaveManager.mxAutoSaveManager" id=link1 onMouseOver="ShowTip(event, 'tt1', 'link1')" onMouseOut="HideTip('tt1')">mxAutoSaveManager</a></td><td class=SDescription>Constructs a new automatic layout for the given graph.</td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#mxAutoSaveManager.Variables" >Variables</a></td><td class=SDescription></td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxAutoSaveManager.graph" id=link2 onMouseOver="ShowTip(event, 'tt2', 'link2')" onMouseOut="HideTip('tt2')">graph</a></td><td class=SDescription>Reference to the enclosing <a href="../view/mxGraph-js.html#mxGraph" class=LClass id=link3 onMouseOver="ShowTip(event, 'tt3', 'link3')" onMouseOut="HideTip('tt3')">mxGraph</a>.</td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxAutoSaveManager.autoSaveDelay" id=link4 onMouseOver="ShowTip(event, 'tt4', 'link4')" onMouseOut="HideTip('tt4')">autoSaveDelay</a></td><td class=SDescription>Minimum amount of seconds between two consecutive autosaves. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxAutoSaveManager.autoSaveThrottle" id=link5 onMouseOver="ShowTip(event, 'tt5', 'link5')" onMouseOut="HideTip('tt5')">autoSaveThrottle</a></td><td class=SDescription>Minimum amount of seconds between two consecutive autosaves triggered by more than &lt;autoSaveThreshhold&gt; changes within a timespan of less than <a href="#mxAutoSaveManager.autoSaveDelay" class=LVariable id=link6 onMouseOver="ShowTip(event, 'tt4', 'link6')" onMouseOut="HideTip('tt4')">autoSaveDelay</a> seconds. </td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxAutoSaveManager.autoSaveThreshold" id=link7 onMouseOver="ShowTip(event, 'tt6', 'link7')" onMouseOut="HideTip('tt6')">autoSaveThreshold</a></td><td class=SDescription>Minimum amount of ignored changes before an autosave. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxAutoSaveManager.ignoredChanges" id=link8 onMouseOver="ShowTip(event, 'tt7', 'link8')" onMouseOut="HideTip('tt7')">ignoredChanges</a></td><td class=SDescription>Counter for ignored changes in autosave.</td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxAutoSaveManager.lastSnapshot" id=link9 onMouseOver="ShowTip(event, 'tt8', 'link9')" onMouseOut="HideTip('tt8')">lastSnapshot</a></td><td class=SDescription>Used for autosaving. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxAutoSaveManager.enabled" id=link10 onMouseOver="ShowTip(event, 'tt9', 'link10')" onMouseOut="HideTip('tt9')">enabled</a></td><td class=SDescription>Specifies if event handling is enabled. </td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxAutoSaveManager.changeHandler" id=link11 onMouseOver="ShowTip(event, 'tt10', 'link11')" onMouseOut="HideTip('tt10')">changeHandler</a></td><td class=SDescription>Holds the function that handles graph model changes.</td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#mxAutoSaveManager.Functions" >Functions</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxAutoSaveManager.isEnabled" id=link12 onMouseOver="ShowTip(event, 'tt11', 'link12')" onMouseOut="HideTip('tt11')">isEnabled</a></td><td class=SDescription>Returns true if events are handled. </td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxAutoSaveManager.setEnabled" id=link13 onMouseOver="ShowTip(event, 'tt12', 'link13')" onMouseOut="HideTip('tt12')">setEnabled</a></td><td class=SDescription>Enables or disables event handling. </td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxAutoSaveManager.setGraph" id=link14 onMouseOver="ShowTip(event, 'tt13', 'link14')" onMouseOut="HideTip('tt13')">setGraph</a></td><td class=SDescription>Sets the graph that the layouts operate on.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxAutoSaveManager.save" id=link15 onMouseOver="ShowTip(event, 'tt14', 'link15')" onMouseOut="HideTip('tt14')">save</a></td><td class=SDescription>Empty hook that is called if the graph should be saved.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxAutoSaveManager.graphModelChanged" id=link16 onMouseOver="ShowTip(event, 'tt15', 'link16')" onMouseOut="HideTip('tt15')">graphModelChanged</a></td><td class=SDescription>Invoked when the graph model has changed.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxAutoSaveManager.reset" id=link17 onMouseOver="ShowTip(event, 'tt16', 'link17')" onMouseOut="HideTip('tt16')">reset</a></td><td class=SDescription>Resets all counters.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxAutoSaveManager.destroy" id=link18 onMouseOver="ShowTip(event, 'tt17', 'link18')" onMouseOut="HideTip('tt17')">destroy</a></td><td class=SDescription>Removes all handlers from the <a href="#mxAutoSaveManager.graph" class=LVariable id=link19 onMouseOver="ShowTip(event, 'tt2', 'link19')" onMouseOut="HideTip('tt2')">graph</a> and deletes the reference to it.</td></tr></table></div></div><!--END_ND_SUMMARY--></div></div></div>
<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="mxAutoSaveManager.Functions"></a>Functions</h3></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxAutoSaveManager.mxAutoSaveManager"></a>mxAutoSaveManager</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 mxAutoSaveManager(</td><td class="PParameter prettyprint " nowrap>graph</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Constructs a new automatic layout for the given graph.</p><h4 class=CHeading>Arguments</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>graph</td><td class=CDLDescription>Reference to the enclosing graph.</td></tr></table></div></div></div>
<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="mxAutoSaveManager.Variables"></a>Variables</h3></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxAutoSaveManager.graph"></a>graph</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxAutoSaveManager.prototype.graph</td></tr></table></blockquote><p>Reference to the enclosing <a href="../view/mxGraph-js.html#mxGraph" class=LClass id=link21 onMouseOver="ShowTip(event, 'tt3', 'link21')" onMouseOut="HideTip('tt3')">mxGraph</a>.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxAutoSaveManager.autoSaveDelay"></a>autoSaveDelay</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxAutoSaveManager.prototype.autoSaveDelay</td></tr></table></blockquote><p>Minimum amount of seconds between two consecutive autosaves.&nbsp; Eg. a value of 1 (s) means the graph is not stored more than once per second.&nbsp; Default is 10.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxAutoSaveManager.autoSaveThrottle"></a>autoSaveThrottle</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxAutoSaveManager.prototype.autoSaveThrottle</td></tr></table></blockquote><p>Minimum amount of seconds between two consecutive autosaves triggered by more than &lt;autoSaveThreshhold&gt; changes within a timespan of less than <a href="#mxAutoSaveManager.autoSaveDelay" class=LVariable id=link22 onMouseOver="ShowTip(event, 'tt4', 'link22')" onMouseOut="HideTip('tt4')">autoSaveDelay</a> seconds.&nbsp; Eg. a value of 1 (s) means the graph is not stored more than once per second even if there are more than <a href="#mxAutoSaveManager.autoSaveThreshold" class=LVariable id=link23 onMouseOver="ShowTip(event, 'tt6', 'link23')" onMouseOut="HideTip('tt6')">autoSaveThreshold</a> changes within that timespan.&nbsp; Default is 2.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxAutoSaveManager.autoSaveThreshold"></a>autoSaveThreshold</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxAutoSaveManager.prototype.autoSaveThreshold</td></tr></table></blockquote><p>Minimum amount of ignored changes before an autosave.&nbsp; Eg. a value of 2 means after 2 change of the graph model the autosave will trigger if the condition below is true.&nbsp; Default is 5.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxAutoSaveManager.ignoredChanges"></a>ignoredChanges</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxAutoSaveManager.prototype.ignoredChanges</td></tr></table></blockquote><p>Counter for ignored changes in autosave.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxAutoSaveManager.lastSnapshot"></a>lastSnapshot</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxAutoSaveManager.prototype.lastSnapshot</td></tr></table></blockquote><p>Used for autosaving.&nbsp; See &lt;autosave&gt;.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxAutoSaveManager.enabled"></a>enabled</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxAutoSaveManager.prototype.enabled</td></tr></table></blockquote><p>Specifies if event handling is enabled.&nbsp; Default is true.</p></div></div></div>
<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxAutoSaveManager.changeHandler"></a>changeHandler</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxAutoSaveManager.prototype.changeHandler</td></tr></table></blockquote><p>Holds the function that handles graph model changes.</p></div></div></div>
<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="mxAutoSaveManager.Functions"></a>Functions</h3></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxAutoSaveManager.isEnabled"></a>isEnabled</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxAutoSaveManager.prototype.isEnabled = function()</td></tr></table></blockquote><p>Returns true if events are handled.&nbsp; This implementation returns <a href="#mxAutoSaveManager.enabled" class=LVariable id=link24 onMouseOver="ShowTip(event, 'tt9', 'link24')" onMouseOut="HideTip('tt9')">enabled</a>.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxAutoSaveManager.setEnabled"></a>setEnabled</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>mxAutoSaveManager.prototype.setEnabled = function(</td><td class="PParameter prettyprint " nowrap>value</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Enables or disables event handling.&nbsp; This implementation updates <a href="#mxAutoSaveManager.enabled" class=LVariable id=link25 onMouseOver="ShowTip(event, 'tt9', 'link25')" onMouseOut="HideTip('tt9')">enabled</a>.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>enabled</td><td class=CDLDescription>Boolean that specifies the new enabled state.</td></tr></table></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxAutoSaveManager.setGraph"></a>setGraph</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>mxAutoSaveManager.prototype.setGraph = function(</td><td class="PParameter prettyprint " nowrap>graph</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Sets the graph that the layouts operate on.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxAutoSaveManager.save"></a>save</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxAutoSaveManager.prototype.save = function()</td></tr></table></blockquote><p>Empty hook that is called if the graph should be saved.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxAutoSaveManager.graphModelChanged"></a>graphModelChanged</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>mxAutoSaveManager.prototype.graphModelChanged = function(</td><td class="PParameter prettyprint " nowrap>changes</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Invoked when the graph model has changed.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxAutoSaveManager.reset"></a>reset</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxAutoSaveManager.prototype.reset = function()</td></tr></table></blockquote><p>Resets all counters.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxAutoSaveManager.destroy"></a>destroy</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxAutoSaveManager.prototype.destroy = function()</td></tr></table></blockquote><p>Removes all handlers from the <a href="#mxAutoSaveManager.graph" class=LVariable id=link26 onMouseOver="ShowTip(event, 'tt2', 'link26')" onMouseOut="HideTip('tt2')">graph</a> and deletes the reference to it.</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"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters prettyprint "nowrap>function mxAutoSaveManager(</td><td class="PParameter prettyprint " nowrap>graph</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Constructs a new automatic layout for the given graph.</div></div><div class=CToolTip id="tt2"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxAutoSaveManager.prototype.graph</td></tr></table></blockquote>Reference to the enclosing mxGraph.</div></div><div class=CToolTip id="tt3"><div class=CClass>Extends mxEventSource to implement a graph component for the browser. </div></div><div class=CToolTip id="tt4"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxAutoSaveManager.prototype.autoSaveDelay</td></tr></table></blockquote>Minimum amount of seconds between two consecutive autosaves. </div></div><div class=CToolTip id="tt5"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxAutoSaveManager.prototype.autoSaveThrottle</td></tr></table></blockquote>Minimum amount of seconds between two consecutive autosaves triggered by more than autoSaveThreshhold changes within a timespan of less than autoSaveDelay seconds. </div></div><div class=CToolTip id="tt6"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxAutoSaveManager.prototype.autoSaveThreshold</td></tr></table></blockquote>Minimum amount of ignored changes before an autosave. </div></div><div class=CToolTip id="tt7"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxAutoSaveManager.prototype.ignoredChanges</td></tr></table></blockquote>Counter for ignored changes in autosave.</div></div><div class=CToolTip id="tt8"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxAutoSaveManager.prototype.lastSnapshot</td></tr></table></blockquote>Used for autosaving. </div></div><div class=CToolTip id="tt9"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxAutoSaveManager.prototype.enabled</td></tr></table></blockquote>Specifies if event handling is enabled. </div></div><div class=CToolTip id="tt10"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxAutoSaveManager.prototype.changeHandler</td></tr></table></blockquote>Holds the function that handles graph model changes.</div></div><div class=CToolTip id="tt11"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxAutoSaveManager.prototype.isEnabled = function()</td></tr></table></blockquote>Returns true if events are handled. </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>mxAutoSaveManager.prototype.setEnabled = function(</td><td class="PParameter prettyprint " nowrap>value</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Enables or disables event handling. </div></div><div class=CToolTip id="tt13"><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>mxAutoSaveManager.prototype.setGraph = function(</td><td class="PParameter prettyprint " nowrap>graph</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Sets the graph that the layouts operate on.</div></div><div class=CToolTip id="tt14"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxAutoSaveManager.prototype.save = function()</td></tr></table></blockquote>Empty hook that is called if the graph should be saved.</div></div><div class=CToolTip id="tt15"><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>mxAutoSaveManager.prototype.graphModelChanged = function(</td><td class="PParameter prettyprint " nowrap>changes</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Invoked when the graph model has changed.</div></div><div class=CToolTip id="tt16"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxAutoSaveManager.prototype.reset = function()</td></tr></table></blockquote>Resets all counters.</div></div><div class=CToolTip id="tt17"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxAutoSaveManager.prototype.destroy = function()</td></tr></table></blockquote>Removes all handlers from the graph and deletes the reference to it.</div></div><!--END_ND_TOOLTIPS-->
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