uTools-Manuals/docs/java/javax/swing/MenuElement.html

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     javax.swing 
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<h2 class="title" title="Interface MenuElement">Interface MenuElement</h2>
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        所有已知实现类：
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<span><a href="../../javax/swing/plaf/basic/BasicComboPopup.html" title="javax.swing.plaf.basic中的类">BasicComboPopup</a> ， <a href="../../javax/swing/plaf/basic/BasicInternalFrameTitlePane.SystemMenuBar.html" title="javax.swing.plaf.basic中的类">BasicInternalFrameTitlePane.SystemMenuBar</a> ， <a href="../../javax/swing/JCheckBoxMenuItem.html" title="javax.swing中的类">JCheckBoxMenuItem</a> ， <a href="../../javax/swing/JMenu.html" title="javax.swing中的类">JMenu</a> ， <a href="../../javax/swing/JMenuBar.html" title="javax.swing中的类">JMenuBar</a> ， <a href="../../javax/swing/JMenuItem.html" title="javax.swing中的类">JMenuItem</a> ， <a href="../../javax/swing/JPopupMenu.html" title="javax.swing中的类">JPopupMenu</a> ， <a href="../../javax/swing/JRadioButtonMenuItem.html" title="javax.swing中的类">JRadioButtonMenuItem</a> ， <a href="../../javax/swing/plaf/metal/MetalComboBoxUI.MetalComboPopup.html" title="javax.swing.plaf.metal中的类">MetalComboBoxUI.MetalComboPopup</a></span>
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<hr/> <br/> <pre>public interface <span class="typeNameLabel">MenuElement</span></pre>
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<span>任何可以放入菜单的组件都应该实现这个接口。</span>
<span>该接口由<code>MenuSelectionManager</code>用于处理菜单层次结构中的选择和导航。</span>
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<!-- --> </a> <h3>方法摘要</h3>
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<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="t3"><span><a href="javascript:show(4);">抽象方法</a></span><span class="tabEnd"> </span></span>
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<th class="colFirst" scope="col">Modifier and Type</th>
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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/MenuElement.html#getComponent--">getComponent</a></span>()</code>
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              此方法应返回用于绘制接收元素的java.awt.Component。 
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<td class="colFirst"><code><a href="../../javax/swing/MenuElement.html" title="interface in javax.swing">MenuElement</a>[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/MenuElement.html#getSubElements--">getSubElements</a></span>()</code>
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              该方法应该返回一个包含接收菜单元素的子元素的数组 
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/MenuElement.html#menuSelectionChanged-boolean-">menuSelectionChanged</a></span>(boolean isIncluded)</code>
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              由 
             <code>MenuSelectionManager</code>时 
             <code>MenuElement</code>被添加或从菜单选择中删除。 
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/MenuElement.html#processKeyEvent-java.awt.event.KeyEvent-javax.swing.MenuElement:A-javax.swing.MenuSelectionManager-">processKeyEvent</a></span>(<a href="../../java/awt/event/KeyEvent.html" title="class in java.awt.event">KeyEvent</a> event, <a href="../../javax/swing/MenuElement.html" title="interface in javax.swing">MenuElement</a>[] path, <a href="../../javax/swing/MenuSelectionManager.html" title="class in javax.swing">MenuSelectionManager</a> manager)</code>
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              处理关键事件。 
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/MenuElement.html#processMouseEvent-java.awt.event.MouseEvent-javax.swing.MenuElement:A-javax.swing.MenuSelectionManager-">processMouseEvent</a></span>(<a href="../../java/awt/event/MouseEvent.html" title="class in java.awt.event">MouseEvent</a> event, <a href="../../javax/swing/MenuElement.html" title="interface in javax.swing">MenuElement</a>[] path, <a href="../../javax/swing/MenuSelectionManager.html" title="class in javax.swing">MenuSelectionManager</a> manager)</code>
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              处理鼠标事件。 
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<li class="blockList"> <h4>processMouseEvent</h4> <pre>void processMouseEvent(<a href="../../java/awt/event/MouseEvent.html" title="class in java.awt.event">MouseEvent</a> event,
                       <a href="../../javax/swing/MenuElement.html" title="interface in javax.swing">MenuElement</a>[] path,
                       <a href="../../javax/swing/MenuSelectionManager.html" title="class in javax.swing">MenuSelectionManager</a> manager)</pre>
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<span>处理鼠标事件。</span>
<span><code>event</code>是一个<code>MouseEvent</code> ，源是接收元素的组件。</span>
<span><code>path</code>是菜单层级中的接收元件的路径，包括接收元件本身。</span>
<span><code>manager</code>为<code>MenuSelectionManager</code>的菜单层级。</span>
<span>这个方法应该处理<code>MouseEvent</code> ，如果需要，可以通过使用<code>MenuSelectionManager</code>的API来更改菜单选项注意：您不必将事件转发到子组件。</span>
<span>这是由<code>MenuSelectionManager</code> 。</span>
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<li class="blockList"> <h4>processKeyEvent</h4> <pre>void processKeyEvent(<a href="../../java/awt/event/KeyEvent.html" title="class in java.awt.event">KeyEvent</a> event,
                     <a href="../../javax/swing/MenuElement.html" title="interface in javax.swing">MenuElement</a>[] path,
                     <a href="../../javax/swing/MenuSelectionManager.html" title="class in javax.swing">MenuSelectionManager</a> manager)</pre>
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            处理关键事件。 
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<li class="blockList"> <h4>menuSelectionChanged</h4> <pre>void menuSelectionChanged(boolean isIncluded)</pre>
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            由呼叫 
           <code>MenuSelectionManager</code>的时候 
           <code>MenuElement</code>添加或从菜单中选择删除。 
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<li class="blockList"> <h4>getSubElements</h4> <pre><a href="../../javax/swing/MenuElement.html" title="interface in javax.swing">MenuElement</a>[] getSubElements()</pre>
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            该方法应该返回一个包含接收菜单元素的子元素的数组 
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<span class="returnLabel">结果</span>
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             一个MenuElements数组 
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<li class="blockList"> <h4>getComponent</h4> <pre><a href="../../java/awt/Component.html" title="class in java.awt">Component</a> getComponent()</pre>
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<span>此方法应返回用于绘制接收元素的java.awt.Component。</span>
<span>返回的组件将用于转换事件并检测一个事件是否在MenuElement的组件内。</span>
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<span class="returnLabel">结果</span>
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             组件值 
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