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

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     javax.swing 
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<h2 class="title" title="Class LayoutStyle">Class LayoutStyle</h2>
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<hr/> <br/> <pre>public abstract class <span class="typeNameLabel">LayoutStyle</span>
extends <a href="../../java/lang/Object.html" title="class in java.lang">Object</a></pre>
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<span><code>LayoutStyle</code>提供了有关如何定位组件的信息。</span>
<span>这个类主要用于可视化工具和布局管理器。</span>
<span>大多数开发人员不需要使用这个类。</span>
<p> <span>您通常不设置或创建<code>LayoutStyle</code> 。</span> <span>而是使用静态方法<code>getInstance</code>来获取当前实例。</span> </p>
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<dl>
<dt>
<span class="simpleTagLabel">从以下版本开始：</span>
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<dd>
         1.6 
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<td class="colFirst"><code>static class </code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/LayoutStyle.ComponentPlacement.html" title="enum in javax.swing">LayoutStyle.ComponentPlacement</a></span></code>
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<code>ComponentPlacement</code>是可以相对于彼此放置两个组件的可能方式的列举。 
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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/LayoutStyle.html#LayoutStyle--">LayoutStyle</a></span>()</code>
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              创建一个新的 
             <code>LayoutStyle</code> 。 
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<span class="activeTableTab" id="t0"><span>所有方法</span><span class="tabEnd"> </span></span>
<span class="tableTab" id="t1"><span><a href="javascript:show(1);">静态方法</a></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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<td class="colFirst"><code>abstract int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/LayoutStyle.html#getContainerGap-javax.swing.JComponent-int-java.awt.Container-">getContainerGap</a></span>(<a href="../../javax/swing/JComponent.html" title="class in javax.swing">JComponent</a> component, int position, <a href="../../java/awt/Container.html" title="class in java.awt">Container</a> parent)</code>
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              返回要放置在组件与其父项的指定边缘之间的空间量。 
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<td class="colFirst"><code>static <a href="../../javax/swing/LayoutStyle.html" title="class in javax.swing">LayoutStyle</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/LayoutStyle.html#getInstance--">getInstance</a></span>()</code>
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              返回共享实例 
             <code>LayoutStyle</code> 。 
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<td class="colFirst"><code>abstract int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/LayoutStyle.html#getPreferredGap-javax.swing.JComponent-javax.swing.JComponent-javax.swing.LayoutStyle.ComponentPlacement-int-java.awt.Container-">getPreferredGap</a></span>(<a href="../../javax/swing/JComponent.html" title="class in javax.swing">JComponent</a> component1, <a href="../../javax/swing/JComponent.html" title="class in javax.swing">JComponent</a> component2, <a href="../../javax/swing/LayoutStyle.ComponentPlacement.html" title="enum in javax.swing">LayoutStyle.ComponentPlacement</a> type, int position, <a href="../../java/awt/Container.html" title="class in java.awt">Container</a> parent)</code>
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              返回两个组件之间使用的空间量。 
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<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/LayoutStyle.html#setInstance-javax.swing.LayoutStyle-">setInstance</a></span>(<a href="../../javax/swing/LayoutStyle.html" title="class in javax.swing">LayoutStyle</a> style)</code>
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              设置共享实例 
             <code>LayoutStyle</code> 。 
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<!-- --> </a> <h3>Methods inherited from class java.lang.<a href="../../java/lang/Object.html" title="class in java.lang">Object</a></h3> <code><a href="../../java/lang/Object.html#clone--">clone</a>, <a href="../../java/lang/Object.html#equals-java.lang.Object-">equals</a>, <a href="../../java/lang/Object.html#finalize--">finalize</a>, <a href="../../java/lang/Object.html#getClass--">getClass</a>, <a href="../../java/lang/Object.html#hashCode--">hashCode</a>, <a href="../../java/lang/Object.html#notify--">notify</a>, <a href="../../java/lang/Object.html#notifyAll--">notifyAll</a>, <a href="../../java/lang/Object.html#toString--">toString</a>, <a href="../../java/lang/Object.html#wait--">wait</a>, <a href="../../java/lang/Object.html#wait-long-">wait</a>, <a href="../../java/lang/Object.html#wait-long-int-">wait</a></code></li>
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<li class="blockList"> <h4>LayoutStyle</h4> <pre>public LayoutStyle()</pre>
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<span>创建一个新的<code>LayoutStyle</code> 。</span>
<span>你通常不会创建一个<code>LayoutStyle</code> 。</span>
<span>而是使用方法<code>getInstance</code>获取当前的<code>LayoutStyle</code> 。</span>
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<li class="blockList"> <h4>setInstance</h4> <pre>public static void setInstance(<a href="../../javax/swing/LayoutStyle.html" title="class in javax.swing">LayoutStyle</a> style)</pre>
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<span>设置共享实例<code>LayoutStyle</code> 。</span>
<span>指定<code>null</code>结果是使用<code>LayoutStyle</code>从目前的<code>LookAndFeel</code> 。</span>
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<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>style</code> - 
            <code>LayoutStyle</code>或 
            <code>null</code>
</dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../javax/swing/LayoutStyle.html#getInstance--"><code>getInstance()</code></a>
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<li class="blockList"> <h4>getInstance</h4> <pre>public static <a href="../../javax/swing/LayoutStyle.html" title="class in javax.swing">LayoutStyle</a> getInstance()</pre>
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<span>返回共享实例<code>LayoutStyle</code> 。</span>
<span>如果实例尚未在指定的<code>setInstance</code> ，这将返回<code>LayoutStyle</code>从目前<code>LookAndFeel</code> 。</span>
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<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             共享实例为 
            <code>LayoutStyle</code>
</dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../javax/swing/LookAndFeel.html#getLayoutStyle--"><code>LookAndFeel.getLayoutStyle()</code></a>
</dd>
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<li class="blockList"> <h4>getPreferredGap</h4> <pre>public abstract int getPreferredGap(<a href="../../javax/swing/JComponent.html" title="class in javax.swing">JComponent</a> component1,
                                    <a href="../../javax/swing/JComponent.html" title="class in javax.swing">JComponent</a> component2,
                                    <a href="../../javax/swing/LayoutStyle.ComponentPlacement.html" title="enum in javax.swing">LayoutStyle.ComponentPlacement</a> type,
                                    int position,
                                    <a href="../../java/awt/Container.html" title="class in java.awt">Container</a> parent)</pre>
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<span>返回两个组件之间使用的空间量。</span>
<span>返回值表示的距离放置<code>component2</code>相对于<code>component1</code> 。</span>
<span>例如，下面的返回的空间量之间放置<code>component2</code>和<code>component1</code>时<code>component2</code>上面垂直放置<code>component1</code> ：</span>
<pre>  <span>int gap = getPreferredGap(component1, component2,
                             ComponentPlacement.RELATED,
                             SwingConstants.NORTH, parent);</span> </pre>
<span><code>type</code>参数表示两个组件之间的关系。</span>
<span>如果两个组件将包含在同一个父项中，并显示类似的逻辑相关项目，请使用<code>RELATED</code> 。</span>
<span>如果两个组件将包含在同一个父项中，但显示逻辑上不相关的项目使用<code>UNRELATED</code> 。</span>
<span>有些看起来和感觉可能不区分<code>RELATED</code>和<code>UNRELATED</code>类型。</span>
<p> <span>返回值并不意图考虑当前的大小和位置<code>component2</code>或<code>component1</code> 。</span> <span>返回值可以考虑组件的各种属性。</span> <span>例如，空格可能会根据字体大小或组件的首选大小而有所不同。</span> </p>
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<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>component1</code> - 
            <code>JComponent</code>
<code>component2</code>是相对于 
           </dd>
<dd>
<code>component2</code> - 
            <code>JComponent</code>被放置 
           </dd>
<dd>
<span><code>position</code> - 位置<code>component2</code>相对于<code>component1</code>放置;</span>
<span>之一<code>SwingConstants.NORTH</code> ， <code>SwingConstants.SOUTH</code> ， <code>SwingConstants.EAST</code>或<code>SwingConstants.WEST</code></span>
</dd>
<dd>
<code>type</code> - 两个组件的放置方式 
           </dd>
<dd>
<span><code>parent</code> - 父母<code>component2</code> ;</span>
<span>这可能与实际的父母有所不同，可能是<code>null</code></span>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             在两个组件之间放置的空间量 
           </dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../java/lang/NullPointerException.html" title="class in java.lang">NullPointerException</a></code> -如果 
            <code>component1</code> ， 
            <code>component2</code>或 
            <code>type</code>是 
            <code>null</code>
</dd>
<dd>
<code><a href="../../java/lang/IllegalArgumentException.html" title="class in java.lang">IllegalArgumentException</a></code> - 如果 
            <code>position</code>不是 
            <code>SwingConstants.NORTH</code>
<code>SwingConstants.SOUTH</code> ， 
            <code>SwingConstants.EAST</code>或 
            <code>SwingConstants.WEST</code>
</dd>
<dt>
<span class="simpleTagLabel">从以下版本开始：</span>
</dt>
<dd>
             1.6 
           </dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../javax/swing/LookAndFeel.html#getLayoutStyle--"><code>LookAndFeel.getLayoutStyle()</code></a>
</dd>
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<li class="blockList"> <h4>getContainerGap</h4> <pre>public abstract int getContainerGap(<a href="../../javax/swing/JComponent.html" title="class in javax.swing">JComponent</a> component,
                                    int position,
                                    <a href="../../java/awt/Container.html" title="class in java.awt">Container</a> parent)</pre>
<div class="block">
            返回要放置在组件与其父项的指定边缘之间的空间量。 
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<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>component</code> - 
            <code>JComponent</code>定位 
           </dd>
<dd>
<span><code>position</code> - 相对于其父母放置位置<code>component</code> ;</span>
<span>之一<code>SwingConstants.NORTH</code> ， <code>SwingConstants.SOUTH</code> ， <code>SwingConstants.EAST</code>或<code>SwingConstants.WEST</code></span>
</dd>
<dd>
<span><code>parent</code> - 父母<code>component</code> ;</span>
<span>这可能与实际的父母有所不同，可能是<code>null</code></span>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             在组件和指定边缘之间放置的空间量 
           </dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../java/lang/IllegalArgumentException.html" title="class in java.lang">IllegalArgumentException</a></code> -如果 
            <code>position</code>不是一个 
            <code>SwingConstants.NORTH</code> ， 
            <code>SwingConstants.SOUTH</code> ， 
            <code>SwingConstants.EAST</code>或 
            <code>SwingConstants.WEST</code>
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