uTools-Manuals/docs/java/javax/swing/JTree.TreeModelHandler.html

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     javax.swing 
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<h2 class="title" title="Class JTree.TreeModelHandler">Class JTree.TreeModelHandler</h2>
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<li><a href="../../java/lang/Object.html" title="class in java.lang">java.lang.Object</a></li>
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<li>javax.swing.JTree.TreeModelHandler</li>
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         All Implemented Interfaces: 
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<span><a href="../../java/util/EventListener.html" title="java.util中的接口">EventListener</a> ， <a href="../../javax/swing/event/TreeModelListener.html" title="javax.swing.event中的接口">TreeModelListener</a></span>
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         Enclosing class: 
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<span><a href="../../javax/swing/JTree.html" title="javax.swing中的类">JTree</a></span>
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<hr/> <br/> <pre>protected class <span class="typeNameLabel">JTree.TreeModelHandler</span>
extends <a href="../../java/lang/Object.html" title="class in java.lang">Object</a>
implements <a href="../../javax/swing/event/TreeModelListener.html" title="interface in javax.swing.event">TreeModelListener</a></pre>
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        监听模型，并在节点被删除或更改时相应更新 
       <code>expandedState</code> 。 
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<th class="colFirst" scope="col">Modifier</th>
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<td class="colFirst"><code>protected </code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTree.TreeModelHandler.html#TreeModelHandler--">TreeModelHandler</a></span>()</code> </td>
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<span class="activeTableTab" id="t0"><span>所有方法</span><span class="tabEnd"> </span></span>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTree.TreeModelHandler.html#treeNodesChanged-javax.swing.event.TreeModelEvent-">treeNodesChanged</a></span>(<a href="../../javax/swing/event/TreeModelEvent.html" title="class in javax.swing.event">TreeModelEvent</a> e)</code>
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              节点（或一组兄弟节点）以某种方式更改后调用。 
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTree.TreeModelHandler.html#treeNodesInserted-javax.swing.event.TreeModelEvent-">treeNodesInserted</a></span>(<a href="../../javax/swing/event/TreeModelEvent.html" title="class in javax.swing.event">TreeModelEvent</a> e)</code>
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              在节点插入到树中之后调用。 
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTree.TreeModelHandler.html#treeNodesRemoved-javax.swing.event.TreeModelEvent-">treeNodesRemoved</a></span>(<a href="../../javax/swing/event/TreeModelEvent.html" title="class in javax.swing.event">TreeModelEvent</a> e)</code>
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              从树中删除节点后调用。 
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTree.TreeModelHandler.html#treeStructureChanged-javax.swing.event.TreeModelEvent-">treeStructureChanged</a></span>(<a href="../../javax/swing/event/TreeModelEvent.html" title="class in javax.swing.event">TreeModelEvent</a> e)</code>
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              在树已经从给定节点大幅度改变结构之后调用。 
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<li class="blockList"> <h4>TreeModelHandler</h4> <pre>protected TreeModelHandler()</pre> </li>
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<li class="blockList"> <h4>treeNodesChanged</h4> <pre>public void treeNodesChanged(<a href="../../javax/swing/event/TreeModelEvent.html" title="class in javax.swing.event">TreeModelEvent</a> e)</pre>
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<span class="descfrmTypeLabel">从接口复制： <code><a href="../../javax/swing/event/TreeModelListener.html#treeNodesChanged-javax.swing.event.TreeModelEvent-">TreeModelListener</a></code></span>
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<p> <span>节点（或一组兄弟节点）以某种方式更改后调用。</span> <span>节点没有更改树中的位置或更改其子数组，但其他属性已更改，并可能影响演示。</span> <span>示例：文件的名称已更改，但它位于文件系统中的相同位置。</span> </p>
<p> <span>要指示root已更改，childIndices和child将为null。</span> </p>
<p> <span>使用<code>e.getPath()</code>获取更改的节点的父节点。</span> <span><code>e.getChildIndices()</code>返回已更改节点的索引（s）。</span> </p>
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<span class="overrideSpecifyLabel">Specified by:</span>
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<code><a href="../../javax/swing/event/TreeModelListener.html#treeNodesChanged-javax.swing.event.TreeModelEvent-">treeNodesChanged</a></code>在接口 
            <code><a href="../../javax/swing/event/TreeModelListener.html" title="interface in javax.swing.event">TreeModelListener</a></code>
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<li class="blockList"> <h4>treeNodesInserted</h4> <pre>public void treeNodesInserted(<a href="../../javax/swing/event/TreeModelEvent.html" title="class in javax.swing.event">TreeModelEvent</a> e)</pre>
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<span class="descfrmTypeLabel">描述从接口： <code><a href="../../javax/swing/event/TreeModelListener.html#treeNodesInserted-javax.swing.event.TreeModelEvent-">TreeModelListener</a></code>复制</span>
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<p> <span>在节点插入到树中之后调用。</span> </p>
<p> <span>使用<code>e.getPath()</code>获取新节点的父节点。</span> <span><code>e.getChildIndices()</code>返回新节点的索引。</span> </p>
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<code><a href="../../javax/swing/event/TreeModelListener.html#treeNodesInserted-javax.swing.event.TreeModelEvent-">treeNodesInserted</a></code>在界面 
            <code><a href="../../javax/swing/event/TreeModelListener.html" title="interface in javax.swing.event">TreeModelListener</a></code>
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<li class="blockList"> <h4>treeStructureChanged</h4> <pre>public void treeStructureChanged(<a href="../../javax/swing/event/TreeModelEvent.html" title="class in javax.swing.event">TreeModelEvent</a> e)</pre>
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<span class="descfrmTypeLabel">说明从界面： <code><a href="../../javax/swing/event/TreeModelListener.html#treeStructureChanged-javax.swing.event.TreeModelEvent-">TreeModelListener</a></code>复制</span>
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<p> <span>在树已经从给定节点大幅度改变结构之后调用。</span> <span>如果e.getPath（）返回的路径长度为1，而第一个元素不标识当前根节点，则第一个元素应该成为树的新根。</span> </p>
<p> <span>使用<code>e.getPath()</code>获取节点的路径。</span> <span><code>e.getChildIndices()</code>返回null。</span> </p>
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<span class="overrideSpecifyLabel">Specified by:</span>
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<code><a href="../../javax/swing/event/TreeModelListener.html#treeStructureChanged-javax.swing.event.TreeModelEvent-">treeStructureChanged</a></code>在界面 
            <code><a href="../../javax/swing/event/TreeModelListener.html" title="interface in javax.swing.event">TreeModelListener</a></code>
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<li class="blockList"> <h4>treeNodesRemoved</h4> <pre>public void treeNodesRemoved(<a href="../../javax/swing/event/TreeModelEvent.html" title="class in javax.swing.event">TreeModelEvent</a> e)</pre>
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<span class="descfrmTypeLabel">说明从界面： <code><a href="../../javax/swing/event/TreeModelListener.html#treeNodesRemoved-javax.swing.event.TreeModelEvent-">TreeModelListener</a></code>复制</span>
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<p> <span>从树中删除节点后调用。</span> <span>请注意，如果从树中删除子树，则此方法只能针对已删除的子树的根调用一次，而对于删除的每个单独的一组兄弟，则不能一次。</span> </p>
<p> <span>使用<code>e.getPath()</code>获取已删除节点的前一个父节点。</span> <span><code>e.getChildIndices()</code>返回节点在删除之前的索引。</span> </p>
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<span class="overrideSpecifyLabel">Specified by:</span>
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<code><a href="../../javax/swing/event/TreeModelListener.html#treeNodesRemoved-javax.swing.event.TreeModelEvent-">treeNodesRemoved</a></code> in interface  
            <code><a href="../../javax/swing/event/TreeModelListener.html" title="interface in javax.swing.event">TreeModelListener</a></code>
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