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https://github.com/fofolee/uTools-Manuals.git
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320 lines
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HTML
320 lines
14 KiB
HTML
<div class="header">
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<div class="subTitle">
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javax.swing.tree
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</div>
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<h2 class="title" title="Interface TreeModel">Interface TreeModel</h2>
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</div><div class="contentContainer">
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<div class="description">
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<ul class="blockList">
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<li class="blockList">
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<dl>
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<dt>
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所有已知实现类：
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</dt>
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<dd>
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<span><a href="../../../javax/swing/tree/DefaultTreeModel.html" title="javax.swing.tree中的类">DefaultTreeModel</a></span>
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</dd>
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</dl>
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<hr/> <br/> <pre>public interface <span class="typeNameLabel">TreeModel</span></pre>
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<div class="block">
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<span>该模型由<code>JTree</code> 。</span>
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<p> <span><code>JTree</code>及其相关类广泛使用的<code>TreePath</code> S表示在确定节点<code>TreeModel</code> 。</span> <span>如果<code>TreeModel</code>返回相同的对象，与<code>equals</code>相比，在相同父母的两个不同指数下，所得到的<code>TreePath</code>对象也将被视为相等。</span> <span>一些实现可以假设如果两个<code>TreePath</code>相同，则它们标识相同的节点。</span> <span>如果不符合条件，可能会导致绘画问题和其他怪物。</span> <span>换句话说，如果给定父级的<code>getChild</code>返回相同的对象（由<code>equals</code> ），可能会导致问题，建议您避免这样做。</span> </p>
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<p> <span>同样<code>JTree</code>及其相关课程在<code>TreePath</code> s中<code>Map</code> s。</span> <span>因此，如果节点被请求两次，则返回值必须相等（使用<code>equals</code>方法）并具有相同的<code>hashCode</code> 。</span> </p>
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<p> <span>有关树模型的更多信息，包括自定义实现的示例，请参阅<em>Java教程</em>中<em>的</em> <a href="http://docs.oracle.com/javase/tutorial/uiswing/components/tree.html">How to Use Trees</a> <em>。</em></span> </p>
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</div>
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<dl>
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<dt>
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<span class="seeLabel">另请参见：</span>
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</dt>
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<dd>
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<span><a href="../../../javax/swing/tree/TreePath.html" title="javax.swing.tree中的类"><code>TreePath</code></a></span>
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</dd>
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</dl> </li>
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</ul>
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</div>
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<div class="summary">
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<ul class="blockList">
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<li class="blockList">
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<!-- ========== METHOD SUMMARY =========== -->
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<ul class="blockList">
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<li class="blockList"><a name="method.summary">
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<!-- --> </a> <h3>方法摘要</h3>
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<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Method Summary table, listing methods, and an explanation">
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<caption>
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<span class="activeTableTab" id="t0"><span>所有方法</span><span class="tabEnd"> </span></span>
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<span class="tableTab" id="t2"><span><a href="javascript:show(2);">接口方法</a></span><span class="tabEnd"> </span></span>
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<span class="tableTab" id="t3"><span><a href="javascript:show(4);">抽象方法</a></span><span class="tabEnd"> </span></span>
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</caption>
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<tbody>
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<tr>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<th class="colLast" scope="col">Method and Description</th>
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</tr>
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<tr class="altColor" id="i0">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/TreeModel.html#addTreeModelListener-javax.swing.event.TreeModelListener-">addTreeModelListener</a></span>(<a href="../../../javax/swing/event/TreeModelListener.html" title="interface in javax.swing.event">TreeModelListener</a> l)</code>
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<div class="block">
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添加一个监听器为
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<code>TreeModelEvent</code>发布树后更改。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i1">
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<td class="colFirst"><code><a href="../../../java/lang/Object.html" title="class in java.lang">Object</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/TreeModel.html#getChild-java.lang.Object-int-">getChild</a></span>(<a href="../../../java/lang/Object.html" title="class in java.lang">Object</a> parent, int index)</code>
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<div class="block">
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返回的孩子
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<code>parent</code>索引
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<code>index</code>父项的子阵列英寸
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</div> </td>
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</tr>
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<tr class="altColor" id="i2">
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<td class="colFirst"><code>int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/TreeModel.html#getChildCount-java.lang.Object-">getChildCount</a></span>(<a href="../../../java/lang/Object.html" title="class in java.lang">Object</a> parent)</code>
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<div class="block">
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返回
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<code>parent</code>的孩子
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<code>parent</code> 。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i3">
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<td class="colFirst"><code>int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/TreeModel.html#getIndexOfChild-java.lang.Object-java.lang.Object-">getIndexOfChild</a></span>(<a href="../../../java/lang/Object.html" title="class in java.lang">Object</a> parent, <a href="../../../java/lang/Object.html" title="class in java.lang">Object</a> child)</code>
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<div class="block">
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返回父项中的子项的索引。
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</div> </td>
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</tr>
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<tr class="altColor" id="i4">
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<td class="colFirst"><code><a href="../../../java/lang/Object.html" title="class in java.lang">Object</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/TreeModel.html#getRoot--">getRoot</a></span>()</code>
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<div class="block">
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返回树的根。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i5">
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<td class="colFirst"><code>boolean</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/TreeModel.html#isLeaf-java.lang.Object-">isLeaf</a></span>(<a href="../../../java/lang/Object.html" title="class in java.lang">Object</a> node)</code>
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<div class="block">
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如果
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<code>node</code>是叶，则返回
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<code>true</code> 。
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</div> </td>
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</tr>
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<tr class="altColor" id="i6">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/TreeModel.html#removeTreeModelListener-javax.swing.event.TreeModelListener-">removeTreeModelListener</a></span>(<a href="../../../javax/swing/event/TreeModelListener.html" title="interface in javax.swing.event">TreeModelListener</a> l)</code>
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<div class="block">
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删除之前添加的
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<code>addTreeModelListener</code>的侦听器。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i7">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/TreeModel.html#valueForPathChanged-javax.swing.tree.TreePath-java.lang.Object-">valueForPathChanged</a></span>(<a href="../../../javax/swing/tree/TreePath.html" title="class in javax.swing.tree">TreePath</a> path, <a href="../../../java/lang/Object.html" title="class in java.lang">Object</a> newValue)</code>
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<div class="block">
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当用户将由
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<code>path</code>的项目的值更改为newValue时
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<code>path</code>
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<code>newValue</code> 。
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</div> </td>
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</tr>
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</tbody>
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</table> </li>
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</ul> </li>
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</ul>
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</div>
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<div class="details">
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<ul class="blockList">
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<li class="blockList">
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<!-- ============ METHOD DETAIL ========== -->
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<ul class="blockList">
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<li class="blockList"><a name="method.detail">
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<!-- --> </a> <h3>方法详细信息</h3> <a name="getRoot--">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>getRoot</h4> <pre><a href="../../../java/lang/Object.html" title="class in java.lang">Object</a> getRoot()</pre>
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<div class="block">
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<span>返回树的根。</span>
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<span>只有当树没有节点时才返回<code>null</code> 。</span>
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</div>
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<dl>
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<dt>
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<span class="returnLabel">结果</span>
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</dt>
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<dd>
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树的根
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</dd>
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</dl> </li>
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</ul> <a name="getChild-java.lang.Object-int-">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>getChild</h4> <pre><a href="../../../java/lang/Object.html" title="class in java.lang">Object</a> getChild(<a href="../../../java/lang/Object.html" title="class in java.lang">Object</a> parent,
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int index)</pre>
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<div class="block">
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<span>返回的孩子<code>parent</code>索引<code>index</code>父项的子阵列英寸</span>
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<span><code>parent</code>必须是先前从此数据源获取的节点。</span>
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<span>如果<code>index</code>是<code>parent</code> （即<code>index >= 0 && index < getChildCount(parent</code> ）的有效索引，则不应返回<code>null</code> ）。</span>
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</div>
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<dl>
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<dt>
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<span class="paramLabel">参数</span>
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</dt>
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<dd>
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<code>parent</code> - 从该数据源获取的树中的一个节点
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</dd>
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<dt>
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<span class="returnLabel">结果</span>
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</dt>
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<dd>
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<code>parent</code>的孩子在索引
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<code>index</code>
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</dd>
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</dl> </li>
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</ul> <a name="getChildCount-java.lang.Object-">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>getChildCount</h4> <pre>int getChildCount(<a href="../../../java/lang/Object.html" title="class in java.lang">Object</a> parent)</pre>
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<div class="block">
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<span>返回<code>parent</code>的孩子<code>parent</code> 。</span>
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<span>如果节点是叶子或没有子节点，则返回0。</span>
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<span><code>parent</code>必须是先前从此数据源获取的节点。</span>
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</div>
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<dl>
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<dt>
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<span class="paramLabel">参数</span>
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</dt>
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<dd>
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<code>parent</code> - 从该数据源获取的树中的一个节点
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</dd>
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<dt>
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<span class="returnLabel">结果</span>
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</dt>
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<dd>
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节
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<code>parent</code>
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</dd>
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</dl> </li>
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</ul> <a name="isLeaf-java.lang.Object-">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>isLeaf</h4> <pre>boolean isLeaf(<a href="../../../java/lang/Object.html" title="class in java.lang">Object</a> node)</pre>
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<div class="block">
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<span>如果<code>node</code>是叶，则返回<code>true</code> 。</span>
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<span>即使<code>node</code>没有孩子，这种方法也可以返回<code>false</code> 。</span>
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<span>例如，文件系统中的目录可能不包含文件;</span>
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<span>表示目录的节点不是叶，而是没有子节点。</span>
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</div>
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<dl>
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<dt>
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<span class="paramLabel">参数</span>
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</dt>
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<dd>
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<code>node</code> - 从该数据源获取的树中的一个节点
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</dd>
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<dt>
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<span class="returnLabel">结果</span>
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</dt>
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<dd>
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如果
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<code>node</code>是叶子的话
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</dd>
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</dl> </li>
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</ul> <a name="valueForPathChanged-javax.swing.tree.TreePath-java.lang.Object-">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>valueForPathChanged</h4> <pre>void valueForPathChanged(<a href="../../../javax/swing/tree/TreePath.html" title="class in javax.swing.tree">TreePath</a> path,
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<a href="../../../java/lang/Object.html" title="class in java.lang">Object</a> newValue)</pre>
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<div class="block">
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<span>当用户将由<code>path</code>的项目的值更改为newValue时， <code>path</code>发生<code>newValue</code> 。</span>
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<span>如果<code>newValue</code>表示真正的新值，该模型应该发布一个<code>treeNodesChanged</code>事件。</span>
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</div>
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<dl>
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<dt>
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<span class="paramLabel">参数</span>
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</dt>
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<dd>
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<code>path</code> - 用户已更改的节点的路径
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</dd>
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<dd>
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<code>newValue</code> -
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<code>newValue</code>的新值
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</dd>
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</dl> </li>
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</ul> <a name="getIndexOfChild-java.lang.Object-java.lang.Object-">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>getIndexOfChild</h4> <pre>int getIndexOfChild(<a href="../../../java/lang/Object.html" title="class in java.lang">Object</a> parent,
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<a href="../../../java/lang/Object.html" title="class in java.lang">Object</a> child)</pre>
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<div class="block">
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<span>返回父项中的子项的索引。</span>
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<span>如果<code>parent</code>或<code>child</code>是<code>null</code> ，则返回-1。</span>
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<span>如果<code>parent</code>或<code>child</code>不属于此树型，返回-1。</span>
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</div>
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<dl>
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<dt>
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<span class="paramLabel">参数</span>
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</dt>
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<dd>
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<code>parent</code> - 从该数据源获取的树中的一个节点
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</dd>
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<dd>
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<code>child</code> - 我们感兴趣的节点
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</dd>
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<dt>
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<span class="returnLabel">结果</span>
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</dt>
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<dd>
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父母中的孩子的索引，如果
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<code>child</code>或
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<code>parent</code>为
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<code>null</code>或不属于此树模型
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</dd>
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</dl> </li>
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</ul> <a name="addTreeModelListener-javax.swing.event.TreeModelListener-">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>addTreeModelListener</h4> <pre>void addTreeModelListener(<a href="../../../javax/swing/event/TreeModelListener.html" title="interface in javax.swing.event">TreeModelListener</a> l)</pre>
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<div class="block">
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添加一个监听器为树更改后发布的
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<code>TreeModelEvent</code> 。
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</div>
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<dl>
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<dt>
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<span class="paramLabel">参数</span>
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</dt>
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<dd>
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<code>l</code> - 要添加的收听者
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</dd>
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<dt>
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<span class="seeLabel">另请参见：</span>
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</dt>
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<dd>
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<a href="../../../javax/swing/tree/TreeModel.html#removeTreeModelListener-javax.swing.event.TreeModelListener-"><code>removeTreeModelListener(javax.swing.event.TreeModelListener)</code></a>
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</dd>
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</dl> </li>
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</ul> <a name="removeTreeModelListener-javax.swing.event.TreeModelListener-">
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<!-- --> </a>
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<ul class="blockListLast">
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<li class="blockList"> <h4>removeTreeModelListener</h4> <pre>void removeTreeModelListener(<a href="../../../javax/swing/event/TreeModelListener.html" title="interface in javax.swing.event">TreeModelListener</a> l)</pre>
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<div class="block">
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删除之前添加的
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<code>addTreeModelListener</code>的监听器。
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</div>
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<dl>
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<dt>
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<span class="paramLabel">参数</span>
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</dt>
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<dd>
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<code>l</code> - 要删除的侦听器
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</dd>
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<dt>
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<span class="seeLabel">另请参见：</span>
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</dt>
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<dd>
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<a href="../../../javax/swing/tree/TreeModel.html#addTreeModelListener-javax.swing.event.TreeModelListener-"><code>addTreeModelListener(javax.swing.event.TreeModelListener)</code></a>
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</dd>
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</dl> </li>
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</ul> </li>
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</ul> </li>
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</ul>
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</div>
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</div> |