uTools-Manuals/docs/java/javax/swing/tree/VariableHeightLayoutCache.html

<div class="header">
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     javax.swing.tree 
   </div>
<h2 class="title" title="Class VariableHeightLayoutCache">Class VariableHeightLayoutCache</h2>
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<ul class="inheritance">
<li><a href="../../../java/lang/Object.html" title="class in java.lang">java.lang.Object</a></li>
<li>
<ul class="inheritance">
<li><a href="../../../javax/swing/tree/AbstractLayoutCache.html" title="class in javax.swing.tree">javax.swing.tree.AbstractLayoutCache</a></li>
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<ul class="inheritance">
<li>javax.swing.tree.VariableHeightLayoutCache</li>
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<dl>
<dt>
         All Implemented Interfaces: 
       </dt>
<dd>
<span><a href="../../../javax/swing/tree/RowMapper.html" title="javax.swing.tree中的接口">RowMapper</a></span>
</dd>
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<hr/> <br/> <pre>public class <span class="typeNameLabel">VariableHeightLayoutCache</span>
extends <a href="../../../javax/swing/tree/AbstractLayoutCache.html" title="class in javax.swing.tree">AbstractLayoutCache</a></pre>
<div class="block">
<span>注意：在将来的版本中这将变得更加开放。</span>
<p> <span><strong>警告：</strong>此类的序列化对象与将来的Swing版本不兼容。</span> <span>当前的序列化支持适用于运行相同版本的Swing的应用程序之间的短期存储或RMI。</span> <span>从1.4版本起，支持所有JavaBeans的长期存储已添加到<code>java.beans</code>软件包中。</span> <span>请参阅<a href="../../../java/beans/XMLEncoder.html" title="java.beans中的类"><code>XMLEncoder</code></a> 。</span> </p>
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<!-- --> </a> <h3>Nested classes/interfaces inherited from class javax.swing.tree.<a href="../../../javax/swing/tree/AbstractLayoutCache.html" title="class in javax.swing.tree">AbstractLayoutCache</a></h3> <code><a href="../../../javax/swing/tree/AbstractLayoutCache.NodeDimensions.html" title="class in javax.swing.tree">AbstractLayoutCache.NodeDimensions</a></code></li>
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<!-- --> </a> <h3>Fields inherited from class javax.swing.tree.<a href="../../../javax/swing/tree/AbstractLayoutCache.html" title="class in javax.swing.tree">AbstractLayoutCache</a></h3> <code><a href="../../../javax/swing/tree/AbstractLayoutCache.html#nodeDimensions">nodeDimensions</a>, <a href="../../../javax/swing/tree/AbstractLayoutCache.html#rootVisible">rootVisible</a>, <a href="../../../javax/swing/tree/AbstractLayoutCache.html#rowHeight">rowHeight</a>, <a href="../../../javax/swing/tree/AbstractLayoutCache.html#treeModel">treeModel</a>, <a href="../../../javax/swing/tree/AbstractLayoutCache.html#treeSelectionModel">treeSelectionModel</a></code></li>
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<caption>
<span>构造方法</span>
<span class="tabEnd"> </span>
</caption>
<tbody>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/VariableHeightLayoutCache.html#VariableHeightLayoutCache--">VariableHeightLayoutCache</a></span>()</code> </td>
</tr>
</tbody>
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<caption>
<span class="activeTableTab" id="t0"><span>所有方法</span><span class="tabEnd"> </span></span>
<span class="tableTab" id="t2"><span><a href="javascript:show(2);">接口方法</a></span><span class="tabEnd"> </span></span>
<span class="tableTab" id="t4"><span><a href="javascript:show(8);">具体的方法</a></span><span class="tabEnd"> </span></span>
</caption>
<tbody>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor" id="i0">
<td class="colFirst"><code><a href="../../../java/awt/Rectangle.html" title="class in java.awt">Rectangle</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/VariableHeightLayoutCache.html#getBounds-javax.swing.tree.TreePath-java.awt.Rectangle-">getBounds</a></span>(<a href="../../../javax/swing/tree/TreePath.html" title="class in javax.swing.tree">TreePath</a> path, <a href="../../../java/awt/Rectangle.html" title="class in java.awt">Rectangle</a> placeIn)</code>
<div class="block">
              返回包含 
             <code>Rectangle</code>识别的项目的标签部分的 
             <code>path</code> 。 
            </div> </td>
</tr>
<tr class="rowColor" id="i1">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/VariableHeightLayoutCache.html#getExpandedState-javax.swing.tree.TreePath-">getExpandedState</a></span>(<a href="../../../javax/swing/tree/TreePath.html" title="class in javax.swing.tree">TreePath</a> path)</code>
<div class="block">
              如果路径被展开且可见，则返回true。 
            </div> </td>
</tr>
<tr class="altColor" id="i2">
<td class="colFirst"><code><a href="../../../javax/swing/tree/TreePath.html" title="class in javax.swing.tree">TreePath</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/VariableHeightLayoutCache.html#getPathClosestTo-int-int-">getPathClosestTo</a></span>(int x, int y)</code>
<div class="block">
              返回最接近x，y的节点的路径。 
            </div> </td>
</tr>
<tr class="rowColor" id="i3">
<td class="colFirst"><code><a href="../../../javax/swing/tree/TreePath.html" title="class in javax.swing.tree">TreePath</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/VariableHeightLayoutCache.html#getPathForRow-int-">getPathForRow</a></span>(int row)</code>
<div class="block">
              返回 
             <code>row</code>的路径。 
            </div> </td>
</tr>
<tr class="altColor" id="i4">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/VariableHeightLayoutCache.html#getPreferredHeight--">getPreferredHeight</a></span>()</code>
<div class="block">
              返回首选高度。 
            </div> </td>
</tr>
<tr class="rowColor" id="i5">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/VariableHeightLayoutCache.html#getPreferredWidth-java.awt.Rectangle-">getPreferredWidth</a></span>(<a href="../../../java/awt/Rectangle.html" title="class in java.awt">Rectangle</a> bounds)</code>
<div class="block">
              返回该区域的优选宽度和高度 
             <code>visibleRegion</code> 。 
            </div> </td>
</tr>
<tr class="altColor" id="i6">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/VariableHeightLayoutCache.html#getRowCount--">getRowCount</a></span>()</code>
<div class="block">
              返回可见行数。 
            </div> </td>
</tr>
<tr class="rowColor" id="i7">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/VariableHeightLayoutCache.html#getRowForPath-javax.swing.tree.TreePath-">getRowForPath</a></span>(<a href="../../../javax/swing/tree/TreePath.html" title="class in javax.swing.tree">TreePath</a> path)</code>
<div class="block">
              返回路径中识别的最后一个项目可见的行。 
            </div> </td>
</tr>
<tr class="altColor" id="i8">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/VariableHeightLayoutCache.html#getVisibleChildCount-javax.swing.tree.TreePath-">getVisibleChildCount</a></span>(<a href="../../../javax/swing/tree/TreePath.html" title="class in javax.swing.tree">TreePath</a> path)</code>
<div class="block">
              返回 
             <code>path</code>的可见子 
             <code>path</code> 。 
            </div> </td>
</tr>
<tr class="rowColor" id="i9">
<td class="colFirst"><code><a href="../../../java/util/Enumeration.html" title="interface in java.util">Enumeration</a>&lt;<a href="../../../javax/swing/tree/TreePath.html" title="class in javax.swing.tree">TreePath</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/VariableHeightLayoutCache.html#getVisiblePathsFrom-javax.swing.tree.TreePath-">getVisiblePathsFrom</a></span>(<a href="../../../javax/swing/tree/TreePath.html" title="class in javax.swing.tree">TreePath</a> path)</code>
<div class="block">
              返回一个 
             <code>Enumerator</code> ，从传入的位置开始可见的路径递增。 
            </div> </td>
</tr>
<tr class="altColor" id="i10">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/VariableHeightLayoutCache.html#invalidatePathBounds-javax.swing.tree.TreePath-">invalidatePathBounds</a></span>(<a href="../../../javax/swing/tree/TreePath.html" title="class in javax.swing.tree">TreePath</a> path)</code>
<div class="block">
              指示 
             <code>LayoutCache</code> ，对于边界 
             <code>path</code>是无效的，并需要进行更新。 
            </div> </td>
</tr>
<tr class="rowColor" id="i11">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/VariableHeightLayoutCache.html#invalidateSizes--">invalidateSizes</a></span>()</code>
<div class="block">
              通知 
             <code>TreeState</code>它需要重新计算它所引用的所有大小。 
            </div> </td>
</tr>
<tr class="altColor" id="i12">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/VariableHeightLayoutCache.html#isExpanded-javax.swing.tree.TreePath-">isExpanded</a></span>(<a href="../../../javax/swing/tree/TreePath.html" title="class in javax.swing.tree">TreePath</a> path)</code>
<div class="block">
              如果当前扩展了 
             <code>path</code>的值，则返回true。 
            </div> </td>
</tr>
<tr class="rowColor" id="i13">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/VariableHeightLayoutCache.html#setExpandedState-javax.swing.tree.TreePath-boolean-">setExpandedState</a></span>(<a href="../../../javax/swing/tree/TreePath.html" title="class in javax.swing.tree">TreePath</a> path, boolean isExpanded)</code>
<div class="block">
              标记路径 
             <code>path</code>扩展状态为 
             <code>isExpanded</code> 。 
            </div> </td>
</tr>
<tr class="altColor" id="i14">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/VariableHeightLayoutCache.html#setModel-javax.swing.tree.TreeModel-">setModel</a></span>(<a href="../../../javax/swing/tree/TreeModel.html" title="interface in javax.swing.tree">TreeModel</a> newModel)</code>
<div class="block">
              设置将提供数据的 
             <code>TreeModel</code> 。 
            </div> </td>
</tr>
<tr class="rowColor" id="i15">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/VariableHeightLayoutCache.html#setNodeDimensions-javax.swing.tree.AbstractLayoutCache.NodeDimensions-">setNodeDimensions</a></span>(<a href="../../../javax/swing/tree/AbstractLayoutCache.NodeDimensions.html" title="class in javax.swing.tree">AbstractLayoutCache.NodeDimensions</a> nd)</code>
<div class="block">
              设置负责在树中绘制节点的渲染器。 
            </div> </td>
</tr>
<tr class="altColor" id="i16">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/VariableHeightLayoutCache.html#setRootVisible-boolean-">setRootVisible</a></span>(boolean rootVisible)</code>
<div class="block">
              确定来自 
             <code>TreeModel</code>是否可见。 
            </div> </td>
</tr>
<tr class="rowColor" id="i17">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/VariableHeightLayoutCache.html#setRowHeight-int-">setRowHeight</a></span>(int rowHeight)</code>
<div class="block">
              设置每个单元格的高度。 
            </div> </td>
</tr>
<tr class="altColor" id="i18">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/VariableHeightLayoutCache.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>
<div class="block">
              节点（或一组兄弟节点）以某种方式更改后调用。 
            </div> </td>
</tr>
<tr class="rowColor" id="i19">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/VariableHeightLayoutCache.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>
<div class="block">
              在节点插入到树中之后调用。 
            </div> </td>
</tr>
<tr class="altColor" id="i20">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/VariableHeightLayoutCache.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>
<div class="block">
              从树中删除节点后调用。 
            </div> </td>
</tr>
<tr class="rowColor" id="i21">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/tree/VariableHeightLayoutCache.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>
<div class="block">
              在树已经从给定节点大幅度改变结构之后调用。 
            </div> </td>
</tr>
</tbody>
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<!-- --> </a> <h3>Methods inherited from class javax.swing.tree.<a href="../../../javax/swing/tree/AbstractLayoutCache.html" title="class in javax.swing.tree">AbstractLayoutCache</a></h3> <code><a href="../../../javax/swing/tree/AbstractLayoutCache.html#getModel--">getModel</a>, <a href="../../../javax/swing/tree/AbstractLayoutCache.html#getNodeDimensions--">getNodeDimensions</a>, <a href="../../../javax/swing/tree/AbstractLayoutCache.html#getNodeDimensions-java.lang.Object-int-int-boolean-java.awt.Rectangle-">getNodeDimensions</a>, <a href="../../../javax/swing/tree/AbstractLayoutCache.html#getRowHeight--">getRowHeight</a>, <a href="../../../javax/swing/tree/AbstractLayoutCache.html#getRowsForPaths-javax.swing.tree.TreePath:A-">getRowsForPaths</a>, <a href="../../../javax/swing/tree/AbstractLayoutCache.html#getSelectionModel--">getSelectionModel</a>, <a href="../../../javax/swing/tree/AbstractLayoutCache.html#isFixedRowHeight--">isFixedRowHeight</a>, <a href="../../../javax/swing/tree/AbstractLayoutCache.html#isRootVisible--">isRootVisible</a>, <a href="../../../javax/swing/tree/AbstractLayoutCache.html#setSelectionModel-javax.swing.tree.TreeSelectionModel-">setSelectionModel</a></code></li>
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<li class="blockList"> <h4>VariableHeightLayoutCache</h4> <pre>public VariableHeightLayoutCache()</pre> </li>
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<li class="blockList"> <h4>setModel</h4> <pre>public void setModel(<a href="../../../javax/swing/tree/TreeModel.html" title="interface in javax.swing.tree">TreeModel</a> newModel)</pre>
<div class="block">
            设置将提供数据的 
           <code>TreeModel</code> 。 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">重写：</span>
</dt>
<dd>
<code><a href="../../../javax/swing/tree/AbstractLayoutCache.html#setModel-javax.swing.tree.TreeModel-">setModel</a></code>在 
            <code><a href="../../../javax/swing/tree/AbstractLayoutCache.html" title="class in javax.swing.tree">AbstractLayoutCache</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>newModel</code> - 那是提供数据的 
            <code>TreeModel</code>
</dd>
</dl> </li>
</ul> <a name="setRootVisible-boolean-">
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<ul class="blockList">
<li class="blockList"> <h4>setRootVisible</h4> <pre>public void setRootVisible(boolean rootVisible)</pre>
<div class="block">
            确定来自 
           <code>TreeModel</code>是否可见。 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">重写：</span>
</dt>
<dd>
<code><a href="../../../javax/swing/tree/AbstractLayoutCache.html#setRootVisible-boolean-">setRootVisible</a></code>在 
            <code><a href="../../../javax/swing/tree/AbstractLayoutCache.html" title="class in javax.swing.tree">AbstractLayoutCache</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>rootVisible</code> - 如果要显示树的根节点，则为true 
           </dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../javax/swing/tree/AbstractLayoutCache.html#rootVisible"><code>AbstractLayoutCache.rootVisible</code></a>
</dd>
</dl> </li>
</ul> <a name="setRowHeight-int-">
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<ul class="blockList">
<li class="blockList"> <h4>setRowHeight</h4> <pre>public void setRowHeight(int rowHeight)</pre>
<div class="block">
<span>设置每个单元格的高度。</span>
<span>如果指定的值小于或等于零，则会查询当前单元格渲染器对于每一行的高度。</span>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">重写：</span>
</dt>
<dd>
<code><a href="../../../javax/swing/tree/AbstractLayoutCache.html#setRowHeight-int-">setRowHeight</a></code>在 
            <code><a href="../../../javax/swing/tree/AbstractLayoutCache.html" title="class in javax.swing.tree">AbstractLayoutCache</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>rowHeight</code> - 每个单元格的高度，以像素为单位 
           </dd>
</dl> </li>
</ul> <a name="setNodeDimensions-javax.swing.tree.AbstractLayoutCache.NodeDimensions-">
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<ul class="blockList">
<li class="blockList"> <h4>setNodeDimensions</h4> <pre>public void setNodeDimensions(<a href="../../../javax/swing/tree/AbstractLayoutCache.NodeDimensions.html" title="class in javax.swing.tree">AbstractLayoutCache.NodeDimensions</a> nd)</pre>
<div class="block">
            设置负责在树中绘制节点的渲染器。 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">重写：</span>
</dt>
<dd>
<code><a href="../../../javax/swing/tree/AbstractLayoutCache.html#setNodeDimensions-javax.swing.tree.AbstractLayoutCache.NodeDimensions-">setNodeDimensions</a></code>在 
            <code><a href="../../../javax/swing/tree/AbstractLayoutCache.html" title="class in javax.swing.tree">AbstractLayoutCache</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>nd</code> - 渲染器 
           </dd>
</dl> </li>
</ul> <a name="setExpandedState-javax.swing.tree.TreePath-boolean-">
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<ul class="blockList">
<li class="blockList"> <h4>setExpandedState</h4> <pre>public void setExpandedState(<a href="../../../javax/swing/tree/TreePath.html" title="class in javax.swing.tree">TreePath</a> path,
                             boolean isExpanded)</pre>
<div class="block">
            标记路径 
           <code>path</code>扩展状态为 
           <code>isExpanded</code> 。 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/swing/tree/AbstractLayoutCache.html#setExpandedState-javax.swing.tree.TreePath-boolean-">setExpandedState</a></code>在 
            <code><a href="../../../javax/swing/tree/AbstractLayoutCache.html" title="class in javax.swing.tree">AbstractLayoutCache</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>path</code> - 感兴趣的 
            <code>TreePath</code>
</dd>
<dd>
<code>isExpanded</code> - 如果路径应该展开，则为true，否则为false 
           </dd>
</dl> </li>
</ul> <a name="getExpandedState-javax.swing.tree.TreePath-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getExpandedState</h4> <pre>public boolean getExpandedState(<a href="../../../javax/swing/tree/TreePath.html" title="class in javax.swing.tree">TreePath</a> path)</pre>
<div class="block">
            如果路径被展开且可见，则返回true。 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/swing/tree/AbstractLayoutCache.html#getExpandedState-javax.swing.tree.TreePath-">getExpandedState</a></code>在 
            <code><a href="../../../javax/swing/tree/AbstractLayoutCache.html" title="class in javax.swing.tree">AbstractLayoutCache</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>path</code> - 被查询的路径 
           </dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             如果路径被扩展和可见，则为true，否则为false 
           </dd>
</dl> </li>
</ul> <a name="getBounds-javax.swing.tree.TreePath-java.awt.Rectangle-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getBounds</h4> <pre>public <a href="../../../java/awt/Rectangle.html" title="class in java.awt">Rectangle</a> getBounds(<a href="../../../javax/swing/tree/TreePath.html" title="class in javax.swing.tree">TreePath</a> path,
                           <a href="../../../java/awt/Rectangle.html" title="class in java.awt">Rectangle</a> placeIn)</pre>
<div class="block">
            返回 
           <code>Rectangle</code> path标识的项目的标签部分的 
           <code>path</code> 。 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/swing/tree/AbstractLayoutCache.html#getBounds-javax.swing.tree.TreePath-java.awt.Rectangle-">getBounds</a></code>在 
            <code><a href="../../../javax/swing/tree/AbstractLayoutCache.html" title="class in javax.swing.tree">AbstractLayoutCache</a></code>类 
           </dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>path</code> - 要绘制的路径 
           </dd>
<dd>
<code>placeIn</code> - 
            <code>placeIn</code>的边界 
           </dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             的包围矩形或的边界 
            <code>null</code>如果节点不能确定 
           </dd>
</dl> </li>
</ul> <a name="getPathForRow-int-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getPathForRow</h4> <pre>public <a href="../../../javax/swing/tree/TreePath.html" title="class in javax.swing.tree">TreePath</a> getPathForRow(int row)</pre>
<div class="block">
<span>返回<code>row</code>的路径。</span>
<span>如果<code>row</code>不可见，则返回<code>null</code> 。</span>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/swing/tree/AbstractLayoutCache.html#getPathForRow-int-">getPathForRow</a></code>在 
            <code><a href="../../../javax/swing/tree/AbstractLayoutCache.html" title="class in javax.swing.tree">AbstractLayoutCache</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>row</code> - 兴趣的位置 
           </dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<code>row</code>的路径，或 
            <code>null</code>如果 
            <code>row</code>不可见 
           </dd>
</dl> </li>
</ul> <a name="getRowForPath-javax.swing.tree.TreePath-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getRowForPath</h4> <pre>public int getRowForPath(<a href="../../../javax/swing/tree/TreePath.html" title="class in javax.swing.tree">TreePath</a> path)</pre>
<div class="block">
<span>返回路径中识别的最后一个项目可见的行。</span>
<span>如果路径中的任何元素当前不可见，则返回-1。</span>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/swing/tree/AbstractLayoutCache.html#getRowForPath-javax.swing.tree.TreePath-">getRowForPath</a></code>在 
            <code><a href="../../../javax/swing/tree/AbstractLayoutCache.html" title="class in javax.swing.tree">AbstractLayoutCache</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>path</code> - 感兴趣的 
            <code>TreePath</code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             路径中最后一个项目可见的行 
           </dd>
</dl> </li>
</ul> <a name="getRowCount--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getRowCount</h4> <pre>public int getRowCount()</pre>
<div class="block">
            返回可见行数。 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/swing/tree/AbstractLayoutCache.html#getRowCount--">getRowCount</a></code>在 
            <code><a href="../../../javax/swing/tree/AbstractLayoutCache.html" title="class in javax.swing.tree">AbstractLayoutCache</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             可见行数 
           </dd>
</dl> </li>
</ul> <a name="invalidatePathBounds-javax.swing.tree.TreePath-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>invalidatePathBounds</h4> <pre>public void invalidatePathBounds(<a href="../../../javax/swing/tree/TreePath.html" title="class in javax.swing.tree">TreePath</a> path)</pre>
<div class="block">
            指示 
           <code>LayoutCache</code> ，对于边界 
           <code>path</code>是无效的，并需要进行更新。 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/swing/tree/AbstractLayoutCache.html#invalidatePathBounds-javax.swing.tree.TreePath-">invalidatePathBounds</a></code>在 
            <code><a href="../../../javax/swing/tree/AbstractLayoutCache.html" title="class in javax.swing.tree">AbstractLayoutCache</a></code>类 
           </dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>path</code> - 现在无效的 
            <code>TreePath</code>
</dd>
</dl> </li>
</ul> <a name="getPreferredHeight--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getPreferredHeight</h4> <pre>public int getPreferredHeight()</pre>
<div class="block">
            返回首选高度。 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">重写：</span>
</dt>
<dd>
<code><a href="../../../javax/swing/tree/AbstractLayoutCache.html#getPreferredHeight--">getPreferredHeight</a></code>在 
            <code><a href="../../../javax/swing/tree/AbstractLayoutCache.html" title="class in javax.swing.tree">AbstractLayoutCache</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             首选高度 
           </dd>
</dl> </li>
</ul> <a name="getPreferredWidth-java.awt.Rectangle-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getPreferredWidth</h4> <pre>public int getPreferredWidth(<a href="../../../java/awt/Rectangle.html" title="class in java.awt">Rectangle</a> bounds)</pre>
<div class="block">
            返回该区域的优选宽度和高度 
           <code>visibleRegion</code> 。 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">重写：</span>
</dt>
<dd>
<code><a href="../../../javax/swing/tree/AbstractLayoutCache.html#getPreferredWidth-java.awt.Rectangle-">getPreferredWidth</a></code>在 
            <code><a href="../../../javax/swing/tree/AbstractLayoutCache.html" title="class in javax.swing.tree">AbstractLayoutCache</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>bounds</code> - 正在查询的区域 
           </dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             传入区域的首选宽度 
           </dd>
</dl> </li>
</ul> <a name="getPathClosestTo-int-int-">
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<ul class="blockList">
<li class="blockList"> <h4>getPathClosestTo</h4> <pre>public <a href="../../../javax/swing/tree/TreePath.html" title="class in javax.swing.tree">TreePath</a> getPathClosestTo(int x,
                                 int y)</pre>
<div class="block">
<span>返回最接近x，y的节点的路径。</span>
<span>如果目前没有任何可见的内容，则返回<code>null</code> ，否则将始终返回有效的路径。</span>
<span>如果您需要测试返回的对象是否完全在x处，那么您应该获得返回路径的边界，并对其进行测试x，y。</span>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/swing/tree/AbstractLayoutCache.html#getPathClosestTo-int-int-">getPathClosestTo</a></code>在 
            <code><a href="../../../javax/swing/tree/AbstractLayoutCache.html" title="class in javax.swing.tree">AbstractLayoutCache</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>x</code> - x坐标 
           </dd>
<dd>
<code>y</code> - y坐标 
           </dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             到最接近x，y的节点的路径 
           </dd>
</dl> </li>
</ul> <a name="getVisiblePathsFrom-javax.swing.tree.TreePath-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getVisiblePathsFrom</h4> <pre>public <a href="../../../java/util/Enumeration.html" title="interface in java.util">Enumeration</a>&lt;<a href="../../../javax/swing/tree/TreePath.html" title="class in javax.swing.tree">TreePath</a>&gt; getVisiblePathsFrom(<a href="../../../javax/swing/tree/TreePath.html" title="class in javax.swing.tree">TreePath</a> path)</pre>
<div class="block">
<span>返回一个<code>Enumerator</code> ，从传入的位置开始可见的路径递增。</span>
<span>枚举的顺序是基于路径的显示方式。</span>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/swing/tree/AbstractLayoutCache.html#getVisiblePathsFrom-javax.swing.tree.TreePath-">getVisiblePathsFrom</a></code>在 
            <code><a href="../../../javax/swing/tree/AbstractLayoutCache.html" title="class in javax.swing.tree">AbstractLayoutCache</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>path</code> - 位置在 
            <code>TreePath</code>开始 
           </dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             一个 
            <code>Enumerator</code>可以在可见的路径上递增 
           </dd>
</dl> </li>
</ul> <a name="getVisibleChildCount-javax.swing.tree.TreePath-">
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<ul class="blockList">
<li class="blockList"> <h4>getVisibleChildCount</h4> <pre>public int getVisibleChildCount(<a href="../../../javax/swing/tree/TreePath.html" title="class in javax.swing.tree">TreePath</a> path)</pre>
<div class="block">
            返回 
           <code>path</code>的可见子 
           <code>path</code> 。 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/swing/tree/AbstractLayoutCache.html#getVisibleChildCount-javax.swing.tree.TreePath-">getVisibleChildCount</a></code>在 
            <code><a href="../../../javax/swing/tree/AbstractLayoutCache.html" title="class in javax.swing.tree">AbstractLayoutCache</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>path</code> - 被查询的路径 
           </dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<code>path</code>的可见儿童 
            <code>path</code>
</dd>
</dl> </li>
</ul> <a name="invalidateSizes--">
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<ul class="blockList">
<li class="blockList"> <h4>invalidateSizes</h4> <pre>public void invalidateSizes()</pre>
<div class="block">
            通知 
           <code>TreeState</code>它需要重新计算它所引用的所有大小。 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/swing/tree/AbstractLayoutCache.html#invalidateSizes--">invalidateSizes</a></code>在 
            <code><a href="../../../javax/swing/tree/AbstractLayoutCache.html" title="class in javax.swing.tree">AbstractLayoutCache</a></code>
</dd>
</dl> </li>
</ul> <a name="isExpanded-javax.swing.tree.TreePath-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>isExpanded</h4> <pre>public boolean isExpanded(<a href="../../../javax/swing/tree/TreePath.html" title="class in javax.swing.tree">TreePath</a> path)</pre>
<div class="block">
            如果当前扩展了 
           <code>path</code>所标识的值，则返回true。 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/swing/tree/AbstractLayoutCache.html#isExpanded-javax.swing.tree.TreePath-">isExpanded</a></code>在 
            <code><a href="../../../javax/swing/tree/AbstractLayoutCache.html" title="class in javax.swing.tree">AbstractLayoutCache</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             如果真按确定的值 
            <code>path</code>当前扩展 
           </dd>
</dl> </li>
</ul> <a name="treeNodesChanged-javax.swing.event.TreeModelEvent-">
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<ul class="blockList">
<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>
<div class="block">
<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> <span><code>e.path</code>返回已更改节点的父节点的路径。</span> </p>
<p> <span><code>e.childIndices</code>返回已更改节点的索引（s）。</span> </p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/swing/tree/AbstractLayoutCache.html#treeNodesChanged-javax.swing.event.TreeModelEvent-">treeNodesChanged</a></code>在 
            <code><a href="../../../javax/swing/tree/AbstractLayoutCache.html" title="class in javax.swing.tree">AbstractLayoutCache</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>e</code> - 感兴趣的 
            <code>TreeModelEvent</code>
</dd>
</dl> </li>
</ul> <a name="treeNodesInserted-javax.swing.event.TreeModelEvent-">
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<ul class="blockList">
<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>
<div class="block">
<span>在节点插入到树中之后调用。</span>
<p> <span><code>e.path</code>返回新节点的父节点。</span> </p>
<p> <span><code>e.childIndices</code>返回新节点的索引。</span> </p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/swing/tree/AbstractLayoutCache.html#treeNodesInserted-javax.swing.event.TreeModelEvent-">treeNodesInserted</a></code>在 
            <code><a href="../../../javax/swing/tree/AbstractLayoutCache.html" title="class in javax.swing.tree">AbstractLayoutCache</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>e</code> - 感兴趣的 
            <code>TreeModelEvent</code>
</dd>
</dl> </li>
</ul> <a name="treeNodesRemoved-javax.swing.event.TreeModelEvent-">
<!-- --> </a>
<ul class="blockList">
<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>
<div class="block">
<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> <span><code>e.path</code>返回已删除节点的前一个父节点。</span> </p>
<p> <span><code>e.childIndices</code>返回节点在按升序删除之前的索引。</span> </p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/swing/tree/AbstractLayoutCache.html#treeNodesRemoved-javax.swing.event.TreeModelEvent-">treeNodesRemoved</a></code>在 
            <code><a href="../../../javax/swing/tree/AbstractLayoutCache.html" title="class in javax.swing.tree">AbstractLayoutCache</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>e</code> - 感兴趣的 
            <code>TreeModelEvent</code>
</dd>
</dl> </li>
</ul> <a name="treeStructureChanged-javax.swing.event.TreeModelEvent-">
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<ul class="blockListLast">
<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>
<div class="block">
<span>在树已经从给定节点大幅度改变结构之后调用。</span>
<span>如果由<code>e.getPath</code>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> <span><code>e.path</code>保存节点的路径。</span> </p>
<p> <span><code>e.childIndices</code>返回<code>null</code> 。</span> </p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/swing/tree/AbstractLayoutCache.html#treeStructureChanged-javax.swing.event.TreeModelEvent-">treeStructureChanged</a></code>在 
            <code><a href="../../../javax/swing/tree/AbstractLayoutCache.html" title="class in javax.swing.tree">AbstractLayoutCache</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>e</code> - 感兴趣的 
            <code>TreeModelEvent</code>
</dd>
</dl> </li>
</ul> </li>
</ul> </li>
</ul>
</div>
</div>