uTools-Manuals/docs/java/javax/swing/table/TableCellRenderer.html

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     javax.swing.table 
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<h2 class="title" title="Interface TableCellRenderer">Interface TableCellRenderer</h2>
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        所有已知实现类：
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<span><a href="../../../javax/swing/table/DefaultTableCellRenderer.html" title="javax.swing.table中的类">DefaultTableCellRenderer</a> ， <a href="../../../javax/swing/table/DefaultTableCellRenderer.UIResource.html" title="javax.swing.table中的类">DefaultTableCellRenderer.UIResource</a></span>
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<hr/> <br/> <pre>public interface <span class="typeNameLabel">TableCellRenderer</span></pre>
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        该界面定义了任何想要在 
       <code>JTable</code>中单元格的渲染器的对象所需的方法。 
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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><a href="../../../java/awt/Component.html" title="class in java.awt">Component</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/table/TableCellRenderer.html#getTableCellRendererComponent-javax.swing.JTable-java.lang.Object-boolean-boolean-int-int-">getTableCellRendererComponent</a></span>(<a href="../../../javax/swing/JTable.html" title="class in javax.swing">JTable</a> table, <a href="../../../java/lang/Object.html" title="class in java.lang">Object</a> value, boolean isSelected, boolean hasFocus, int row, int column)</code>
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              返回用于绘制单元格的组件。 
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<li class="blockList"> <h4>getTableCellRendererComponent</h4> <pre><a href="../../../java/awt/Component.html" title="class in java.awt">Component</a> getTableCellRendererComponent(<a href="../../../javax/swing/JTable.html" title="class in javax.swing">JTable</a> table,
                                        <a href="../../../java/lang/Object.html" title="class in java.lang">Object</a> value,
                                        boolean isSelected,
                                        boolean hasFocus,
                                        int row,
                                        int column)</pre>
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<span>返回用于绘制单元格的组件。</span>
<span>此方法用于在绘制之前适当地配置渲染器。</span>
<p> <span><code>TableCellRenderer</code>还负责呈现表格当前DnD放置位置的单元格（如果有）。</span> <span>如果此渲染器关心呈现DnD放置位置，则应直接查询表，以查看给定的行和列是否表示放置位置：</span> </p>
<pre>  <span>JTable.DropLocation dropLocation = table.getDropLocation();
     if (dropLocation != null
             &amp;&amp; !dropLocation.isInsertRow()
             &amp;&amp; !dropLocation.isInsertColumn()
             &amp;&amp; dropLocation.getRow() == row
             &amp;&amp; dropLocation.getColumn() == column) {

         // this cell represents the current drop location
         // so render it specially, perhaps with a different color
     }</span> </pre>
<p> <span>在打印操作期间，此方法将被调用<code>isSelected</code>个<code>hasFocus</code>的值<code>false</code> ，以防止选择和从出现在打印输出聚焦。</span> <span>要根据是否打印表进行其他自定义，请从<a href="../../../javax/swing/JComponent.html#isPaintingForPrint--"><code>JComponent.isPaintingForPrint()</code></a>检查返回值。</span> </p>
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<span class="paramLabel">参数</span>
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<span><code>table</code> - 要求渲染器绘制的<code>JTable</code> ;</span>
<span>可以<code>null</code></span>
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<span><code>value</code> - 要呈现的单元格的值。</span>
<span>由具体的渲染器来解释和绘制价值。</span>
<span>例如，如果<code>value</code>是字符串“true”，则可以将其呈现为字符串，或者可以将其<code>value</code>为已选中的复选框。</span>
<span><code>null</code>是一个有效的值</span>
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<span><code>isSelected</code> - 如果要突出显示的选择要呈现单元格，则为true;</span>
<span>否则为虚假</span>
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<span><code>hasFocus</code> - 如果为true，则适当地渲染单元格。</span>
<span>例如，在单元格上放置一个特殊的边框，如果可以编辑单元格，则以用于指示编辑的颜色进行渲染</span>
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<span><code>row</code> - 要绘制的单元格的行索引。</span>
<span>绘制标题时， <code>row</code>值为-1</span>
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<code>column</code> - 要绘制的单元格的列索引 
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<span class="seeLabel">另请参见：</span>
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<a href="../../../javax/swing/JComponent.html#isPaintingForPrint--"><code>JComponent.isPaintingForPrint()</code></a>
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