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https://github.com/fofolee/uTools-Manuals.git
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198 lines
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198 lines
10 KiB
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<div class="header">
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javax.swing.plaf.nimbus
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<h2 class="title" title="Class State">Class State<T extends <a href="../../../../javax/swing/JComponent.html" title="class in javax.swing">JComponent</a>></h2>
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</div><div class="contentContainer">
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<ul class="inheritance">
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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>
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<ul class="inheritance">
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<li>javax.swing.plaf.nimbus.State<T></li>
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</ul> </li>
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</ul>
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<div class="description">
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<hr/> <br/> <pre>public abstract class <span class="typeNameLabel">State<T extends <a href="../../../../javax/swing/JComponent.html" title="class in javax.swing">JComponent</a>></span>
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extends <a href="../../../../java/lang/Object.html" title="class in java.lang">Object</a></pre>
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<div class="block">
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<p> <span>代表Nimbus内置或定制的状态。</span> </p>
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<p> <span>Synth提供了几个内置状态，它们是：</span> </p>
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<ul>
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<li> <span>启用</span> </li>
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<li> <span>鼠标移到</span> </li>
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<li> <span>按下</span> </li>
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<li> <span>残疾人士</span> </li>
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<li> <span>专注</span> </li>
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<li> <span>已选</span> </li>
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<li> <span>默认</span> </li>
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</ul>
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<p> <span>然而，还有更多的状态可以在LookAndFeel中描述，并且根据这些不同的状态对组件进行不同的样式组件是很好的。</span> <span>例如，进度条可能是“不确定的”。</span> <span>允许将其定义为“状态”是非常方便的。</span> </p>
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<p> <span>这个类，国家，旨在用于这种情况。</span> <span>简单地实现抽象#isInState方法。</span> <span>如果给定的JComponent为“处于此状态”，则返回true，否则返回false。</span> <span>该方法将被称为<em>性能敏感的循环</em> <em>多次</em> 。</span> <span>它必须很快执行。</span> </p>
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<p> <span>例如，以下可能是JProgressBars的自定义“不确定”状态的实现：</span> </p>
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<pre> <span><code> public final class IndeterminateState extends State<JProgressBar> { public IndeterminateState() { super("Indeterminate"); } @Override protected boolean isInState(JProgressBar c) { return c.isIndeterminate(); } } </code></span> </pre>
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</div> </li>
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</ul>
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</div>
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<div class="summary">
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<ul class="blockList">
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<li class="blockList">
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<ul class="blockList">
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<li class="blockList"><a name="constructor.summary">
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<!-- --> </a> <h3>构造方法摘要</h3>
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<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Constructor Summary table, listing constructors, and an explanation">
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<caption>
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<span>构造方法</span>
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<span class="tabEnd"> </span>
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</caption>
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<tbody>
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<tr>
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<th class="colFirst" scope="col">Modifier</th>
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<th class="colLast" scope="col">Constructor and Description</th>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>protected </code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/nimbus/State.html#State-java.lang.String-">State</a></span>(<a href="../../../../java/lang/String.html" title="class in java.lang">String</a> name)</code>
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<div class="block">
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创建一个新的自定义状态。
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</div> </td>
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</tr>
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</tbody>
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</table> </li>
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</ul>
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<!-- ========== METHOD SUMMARY =========== -->
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<ul class="blockList">
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<li class="blockList"><a name="method.summary">
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<!-- --> </a> <h3>方法摘要</h3>
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<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Method Summary table, listing methods, and an explanation">
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<caption>
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<span class="activeTableTab" id="t0"><span>所有方法</span><span class="tabEnd"> </span></span>
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<span class="tableTab" id="t2"><span><a href="javascript:show(2);">接口方法</a></span><span class="tabEnd"> </span></span>
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<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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<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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</caption>
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<tbody>
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<tr>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<th class="colLast" scope="col">Method and Description</th>
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</tr>
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<tr class="altColor" id="i0">
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<td class="colFirst"><code>protected abstract boolean</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/nimbus/State.html#isInState-T-">isInState</a></span>(<a href="../../../../javax/swing/plaf/nimbus/State.html" title="type parameter in State">T</a> c)</code>
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<div class="block">
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获取指定的JComponent是否处于由该类表示的自定义状态。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i1">
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<td class="colFirst"><code><a href="../../../../java/lang/String.html" title="class in java.lang">String</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/swing/plaf/nimbus/State.html#toString--">toString</a></span>()</code>
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<div class="block">
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返回对象的字符串表示形式。
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</div> </td>
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</tr>
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</tbody>
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</table>
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<ul class="blockList">
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<li class="blockList"><a name="methods.inherited.from.class.java.lang.Object">
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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#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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</ul> </li>
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</ul> </li>
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</ul>
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</div>
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<div class="details">
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<ul class="blockList">
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<li class="blockList">
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<!-- ========= CONSTRUCTOR DETAIL ======== -->
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<ul class="blockList">
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<li class="blockList"><a name="constructor.detail">
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<!-- --> </a> <h3>构造方法详细信息</h3> <a name="State-java.lang.String-">
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<!-- --> </a>
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<ul class="blockListLast">
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<li class="blockList"> <h4>State</h4> <pre>protected State(<a href="../../../../java/lang/String.html" title="class in java.lang">String</a> name)</pre>
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<div class="block">
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<p> <span>创建一个新的自定义状态。</span> <span>指定状态的名称。</span> <span>在为任何一个特定组件设置的状态中，该名称应该是唯一的。</span> <span>状态的名称应与UIDefaults中使用的名称相符。</span> </p>
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<p> <span>例如，以下是正确的：</span> </p>
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<pre> <span><code> defaults.put("Button.States", "Enabled, Foo, Disabled"); defaults.put("Button.Foo", new FooState("Foo")); </code></span> </pre>
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</div>
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<dl>
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<dt>
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<span class="paramLabel">参数</span>
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</dt>
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<dd>
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<span><code>name</code> - 用于状态的简单用户友好名称，例如“Indeterminate”或“EmbeddedPanel”或“Blurred”。</span>
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<span>习惯使用骆驼盒，首字母大写。</span>
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</dd>
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</dl> </li>
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</ul> </li>
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</ul>
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<!-- ============ METHOD DETAIL ========== -->
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<ul class="blockList">
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<li class="blockList"><a name="method.detail">
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<!-- --> </a> <h3>方法详细信息</h3> <a name="toString--">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>toString</h4> <pre>public <a href="../../../../java/lang/String.html" title="class in java.lang">String</a> toString()</pre>
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<div class="block">
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<span class="descfrmTypeLabel">描述从类别复制： <code><a href="../../../../java/lang/Object.html#toString--">Object</a></code></span>
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</div>
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<div class="block">
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<span>返回对象的字符串表示形式。</span>
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<span>一般来说， <code>toString</code>方法返回一个“textually代表”这个对象的字符串。</span>
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<span>结果应该是一个简明扼要的表达，容易让人阅读。</span>
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<span>建议所有子类覆盖此方法。</span>
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<p> <span>该<code>toString</code>类方法<code>Object</code>返回一个由其中的对象是一个实例，该符号字符`的类的名称的字符串<code>@</code> ”和对象的哈希码的无符号的十六进制表示。</span> <span>换句话说，这个方法返回一个等于下列值的字符串：</span> </p>
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<blockquote>
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<span><pre>
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getClass().getName() + '@' + Integer.toHexString(hashCode())
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</pre></span>
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</blockquote>
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</div>
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<dl>
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<dt>
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<span class="overrideSpecifyLabel">重写：</span>
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</dt>
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<dd>
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<code><a href="../../../../java/lang/Object.html#toString--">toString</a></code>在
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<code><a href="../../../../java/lang/Object.html" title="class in java.lang">Object</a></code>
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</dd>
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<dt>
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<span class="returnLabel">结果</span>
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</dt>
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<dd>
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对象的字符串表示形式。
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</dd>
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</dl> </li>
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</ul> <a name="isInState-javax.swing.JComponent-">
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<!-- --> </a><a name="isInState-T-">
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<!-- --> </a>
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<ul class="blockListLast">
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<li class="blockList"> <h4>isInState</h4> <pre>protected abstract boolean isInState(<a href="../../../../javax/swing/plaf/nimbus/State.html" title="type parameter in State">T</a> c)</pre>
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<div class="block">
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<p> <span>获取指定的JComponent是否处于由该类表示的自定义状态。</span> <span><em>这是一个非常性能敏感的循环。</em></span> <span>请采取适当的预防措施，以确保快速执行。</span> </p>
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<p> <span>Nimbus使用此方法来帮助确定JComponent的状态。例如，JProgressBar可能存在一个自定义状态，以便在进度条<code>true</code>时返回true。</span> <span>这种方法的实现将是：</span> </p>
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<pre> <span><code> return c.isIndeterminate();</code></span> </pre>
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</div>
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<dl>
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<dt>
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<span class="paramLabel">参数</span>
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</dt>
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<dd>
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<span><code>c</code> - JComponent进行测试。</span>
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<span>这将永远不会为空。</span>
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</dd>
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<dt>
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<span class="returnLabel">结果</span>
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</dt>
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<dd>
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true if
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<code>c</code> is in the custom state represented by this
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<code>State</code> instance
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</dd>
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</dl> </li>
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</ul> </li>
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</ul> </li>
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</ul>
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</div>
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</div> |