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4.2.2 release
2020-10-28 16:11:03 +00:00
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<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>mxChildChangeCodec</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="mxChildChangeCodec"></a>mxChildChangeCodec</h1><div class=CBody><p>Codec for <a href="../model/mxGraphModel-js.html#mxChildChange" class=LClass id=link7 onMouseOver="ShowTip(event, 'tt1', 'link7')" onMouseOut="HideTip('tt1')">mxChildChange</a>s.&nbsp; This class is created and registered dynamically at load time and used implicitly via <a href="mxCodec-js.html#mxCodec" class=LClass id=link8 onMouseOver="ShowTip(event, 'tt7', 'link8')" onMouseOut="HideTip('tt7')">mxCodec</a> and the <a href="mxCodecRegistry-js.html#mxCodecRegistry" class=LClass id=link9 onMouseOver="ShowTip(event, 'tt8', 'link9')" onMouseOut="HideTip('tt8')">mxCodecRegistry</a>.</p><h4 class=CHeading>Transient Fields</h4><ul><li>model</li><li>previous</li><li>previousIndex</li><li>child</li></ul><h4 class=CHeading>Reference Fields</h4><ul><li>parent</li></ul><!--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="#mxChildChangeCodec" >mxChildChangeCodec</a></td><td class=SDescription>Codec for <a href="../model/mxGraphModel-js.html#mxChildChange" class=LClass id=link1 onMouseOver="ShowTip(event, 'tt1', 'link1')" onMouseOut="HideTip('tt1')">mxChildChange</a>s. </td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#mxChildChangeCodec.Functions" >Functions</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxChildChangeCodec.isReference" id=link2 onMouseOver="ShowTip(event, 'tt2', 'link2')" onMouseOut="HideTip('tt2')">isReference</a></td><td class=SDescription>Returns true for the child attribute if the child cell had a previous parent or if we&rsquo;re reading the child as an attribute rather than a child node, in which case it&rsquo;s always a reference.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxChildChangeCodec.isExcluded" id=link3 onMouseOver="ShowTip(event, 'tt3', 'link3')" onMouseOut="HideTip('tt3')">isExcluded</a></td><td class=SDescription>Excludes references to parent or previous if not in the model.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxChildChangeCodec.afterEncode" id=link4 onMouseOver="ShowTip(event, 'tt4', 'link4')" onMouseOut="HideTip('tt4')">afterEncode</a></td><td class=SDescription>Encodes the child recusively and adds the result to the given node.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxChildChangeCodec.beforeDecode" id=link5 onMouseOver="ShowTip(event, 'tt5', 'link5')" onMouseOut="HideTip('tt5')">beforeDecode</a></td><td class=SDescription>Decodes the any child nodes as using the respective codec from the registry.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxChildChangeCodec.afterDecode" id=link6 onMouseOver="ShowTip(event, 'tt6', 'link6')" onMouseOut="HideTip('tt6')">afterDecode</a></td><td class=SDescription>Restores object state in the child change.</td></tr></table></div></div><!--END_ND_SUMMARY--></div></div></div>
<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="mxChildChangeCodec.Functions"></a>Functions</h3></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxChildChangeCodec.isReference"></a>isReference</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>codec.isReference = function(</td><td class="PParameter prettyprint " nowrap>obj,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>attr,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>value,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>isWrite</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns true for the child attribute if the child cell had a previous parent or if we&rsquo;re reading the child as an attribute rather than a child node, in which case it&rsquo;s always a reference.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxChildChangeCodec.isExcluded"></a>isExcluded</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>codec.isExcluded = function(</td><td class="PParameter prettyprint " nowrap>obj,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>attr,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>value,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>write</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Excludes references to parent or previous if not in the model.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxChildChangeCodec.afterEncode"></a>afterEncode</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>codec.afterEncode = function(</td><td class="PParameter prettyprint " nowrap>enc,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>obj,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>node</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Encodes the child recusively and adds the result to the given node.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxChildChangeCodec.beforeDecode"></a>beforeDecode</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>codec.beforeDecode = function(</td><td class="PParameter prettyprint " nowrap>dec,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>node,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>obj</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Decodes the any child nodes as using the respective codec from the registry.</p></div></div></div>
<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxChildChangeCodec.afterDecode"></a>afterDecode</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>codec.afterDecode = function(</td><td class="PParameter prettyprint " nowrap>dec,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>node,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>obj</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Restores object state in the child change.</p></div></div></div>
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large batch convert `var` to `let`
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<div class=CToolTip id="tt1"><div class=CClass>Action to add or remove a child in a model.</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>codec.isReference = function(</td><td class="PParameter prettyprint " nowrap>obj,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>attr,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>value,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>isWrite</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Returns true for the child attribute if the child cell had a previous parent or if we&rsquo;re reading the child as an attribute rather than a child node, in which case it&rsquo;s always a reference.</div></div><div class=CToolTip id="tt3"><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>codec.isExcluded = function(</td><td class="PParameter prettyprint " nowrap>obj,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>attr,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>value,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>write</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Excludes references to parent or previous if not in the model.</div></div><div class=CToolTip id="tt4"><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>codec.afterEncode = function(</td><td class="PParameter prettyprint " nowrap>enc,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>obj,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>node</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Encodes the child recusively and adds the result to the given node.</div></div><div class=CToolTip id="tt5"><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>codec.beforeDecode = function(</td><td class="PParameter prettyprint " nowrap>dec,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>node,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>obj</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Decodes the any child nodes as using the respective codec from the registry.</div></div><div class=CToolTip id="tt6"><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>codec.afterDecode = function(</td><td class="PParameter prettyprint " nowrap>dec,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>node,</td></tr><tr><td></td><td class="PParameter prettyprint " nowrap>obj</td><td class="PAfterParameters prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Restores object state in the child change.</div></div><div class=CToolTip id="tt7"><div class=CClass>XML codec for JavaScript object graphs. </div></div><div class=CToolTip id="tt8"><div class=CClass>Singleton class that acts as a global registry for codecs.</div></div><!--END_ND_TOOLTIPS-->
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