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

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     javax.swing 
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<h2 class="title" title="Class ViewportLayout">Class ViewportLayout</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.ViewportLayout</li>
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         All Implemented Interfaces: 
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<span><a href="../../java/awt/LayoutManager.html" title="java.awt中的接口">LayoutManager</a> ， <a href="../../java/io/Serializable.html" title="java.io中的接口">Serializable</a></span>
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<hr/> <br/> <pre>public class <span class="typeNameLabel">ViewportLayout</span>
extends <a href="../../java/lang/Object.html" title="class in java.lang">Object</a>
implements <a href="../../java/awt/LayoutManager.html" title="interface in java.awt">LayoutManager</a>, <a href="../../java/io/Serializable.html" title="interface in java.io">Serializable</a></pre>
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<span><code>JViewport</code>的默认布局管理器。</span>
<span><code>ViewportLayout</code>定义了一个应用于大多数应用程序的布局策略。</span>
<span>视口使其视图与视口大小相同，但不会使视图小于其最小尺寸。</span>
<span>随着视口的增长，视图被保持为底部对齐，直到整个视图可见，随后视图被保持在最上方。</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开始，支持所有JavaBeans的长期存储已经添加到<code>java.beans</code>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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<span>构造方法</span>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../javax/swing/ViewportLayout.html#ViewportLayout--">ViewportLayout</a></span>()</code> </td>
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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="t4"><span><a href="javascript:show(8);">具体的方法</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>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/ViewportLayout.html#addLayoutComponent-java.lang.String-java.awt.Component-">addLayoutComponent</a></span>(<a href="../../java/lang/String.html" title="class in java.lang">String</a> name, <a href="../../java/awt/Component.html" title="class in java.awt">Component</a> c)</code>
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              将指定的组件添加到布局。 
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/ViewportLayout.html#layoutContainer-java.awt.Container-">layoutContainer</a></span>(<a href="../../java/awt/Container.html" title="class in java.awt">Container</a> parent)</code>
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              当指定的容器需要布置时，由AWT调用。 
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<td class="colFirst"><code><a href="../../java/awt/Dimension.html" title="class in java.awt">Dimension</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/ViewportLayout.html#minimumLayoutSize-java.awt.Container-">minimumLayoutSize</a></span>(<a href="../../java/awt/Container.html" title="class in java.awt">Container</a> parent)</code>
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              返回布局指定目标容器中包含的组件所需的最小尺寸。 
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<td class="colFirst"><code><a href="../../java/awt/Dimension.html" title="class in java.awt">Dimension</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/ViewportLayout.html#preferredLayoutSize-java.awt.Container-">preferredLayoutSize</a></span>(<a href="../../java/awt/Container.html" title="class in java.awt">Container</a> parent)</code>
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              给定指定目标容器中的组件，返回此布局的首选尺寸。 
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/ViewportLayout.html#removeLayoutComponent-java.awt.Component-">removeLayoutComponent</a></span>(<a href="../../java/awt/Component.html" title="class in java.awt">Component</a> c)</code>
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              从布局中删除指定的组件。 
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<li class="blockList"> <h4>ViewportLayout</h4> <pre>public ViewportLayout()</pre> </li>
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<li class="blockList"> <h4>addLayoutComponent</h4> <pre>public void addLayoutComponent(<a href="../../java/lang/String.html" title="class in java.lang">String</a> name,
                               <a href="../../java/awt/Component.html" title="class in java.awt">Component</a> c)</pre>
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<span>将指定的组件添加到布局。</span>
<span>本课不使用</span>
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<span class="overrideSpecifyLabel">Specified by:</span>
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<code><a href="../../java/awt/LayoutManager.html#addLayoutComponent-java.lang.String-java.awt.Component-">addLayoutComponent</a></code>在界面 
            <code><a href="../../java/awt/LayoutManager.html" title="interface in java.awt">LayoutManager</a></code>
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<span class="paramLabel">参数</span>
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<code>name</code> - 
            <code>name</code>的名称 
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<code>c</code> - 要添加的组件 
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<li class="blockList"> <h4>removeLayoutComponent</h4> <pre>public void removeLayoutComponent(<a href="../../java/awt/Component.html" title="class in java.awt">Component</a> c)</pre>
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<span>从布局中删除指定的组件。</span>
<span>本课不使用</span>
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<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
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<code><a href="../../java/awt/LayoutManager.html#removeLayoutComponent-java.awt.Component-">removeLayoutComponent</a></code>在接口 
            <code><a href="../../java/awt/LayoutManager.html" title="interface in java.awt">LayoutManager</a></code>
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<span class="paramLabel">参数</span>
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<code>c</code> - 要删除的组件 
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<li class="blockList"> <h4>preferredLayoutSize</h4> <pre>public <a href="../../java/awt/Dimension.html" title="class in java.awt">Dimension</a> preferredLayoutSize(<a href="../../java/awt/Container.html" title="class in java.awt">Container</a> parent)</pre>
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            给定指定目标容器中的组件，返回此布局的首选尺寸。 
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<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../java/awt/LayoutManager.html#preferredLayoutSize-java.awt.Container-">preferredLayoutSize</a></code>在界面 
            <code><a href="../../java/awt/LayoutManager.html" title="interface in java.awt">LayoutManager</a></code>
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<span class="paramLabel">参数</span>
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<code>parent</code> - 需要布局的组件 
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<span class="returnLabel">结果</span>
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<dd>
             一个 
            <code>Dimension</code>对象 
           </dd>
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<span class="seeLabel">另请参见：</span>
</dt>
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<a href="../../javax/swing/ViewportLayout.html#minimumLayoutSize-java.awt.Container-"><code>minimumLayoutSize(java.awt.Container)</code></a>
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<li class="blockList"> <h4>minimumLayoutSize</h4> <pre>public <a href="../../java/awt/Dimension.html" title="class in java.awt">Dimension</a> minimumLayoutSize(<a href="../../java/awt/Container.html" title="class in java.awt">Container</a> parent)</pre>
<div class="block">
            返回布局指定目标容器中包含的组件所需的最小尺寸。 
          </div>
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<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../java/awt/LayoutManager.html#minimumLayoutSize-java.awt.Container-">minimumLayoutSize</a></code>在接口 
            <code><a href="../../java/awt/LayoutManager.html" title="interface in java.awt">LayoutManager</a></code>
</dd>
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<span class="paramLabel">参数</span>
</dt>
<dd>
<code>parent</code> - 需要布局的组件 
           </dd>
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<span class="returnLabel">结果</span>
</dt>
<dd>
             一个 
            <code>Dimension</code>最小尺寸的 
            <code>Dimension</code>对象 
           </dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
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<a href="../../javax/swing/ViewportLayout.html#preferredLayoutSize-java.awt.Container-"><code>preferredLayoutSize(java.awt.Container)</code></a>
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<li class="blockList"> <h4>layoutContainer</h4> <pre>public void layoutContainer(<a href="../../java/awt/Container.html" title="class in java.awt">Container</a> parent)</pre>
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            当指定的容器需要布置时，由AWT调用。 
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<span class="overrideSpecifyLabel">Specified by:</span>
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<code><a href="../../java/awt/LayoutManager.html#layoutContainer-java.awt.Container-">layoutContainer</a></code>在接口 
            <code><a href="../../java/awt/LayoutManager.html" title="interface in java.awt">LayoutManager</a></code>
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<span class="paramLabel">参数</span>
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<code>parent</code> - 容器布置 
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<span class="throwsLabel">异常</span>
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<code><a href="../../java/awt/AWTError.html" title="class in java.awt">AWTError</a></code> - 如果目标不是指定给 
            <code>BoxLayout</code>构造函数的容器 
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