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<div class="header">
<div class="subTitle">
javax.swing.text
</div>
<h2 class="title" title="Class ComponentView">Class ComponentView</h2>
</div><div class="contentContainer">
<ul class="inheritance">
<li><a href="../../../java/lang/Object.html" title="class in java.lang">java.lang.Object</a></li>
<li>
<ul class="inheritance">
<li><a href="../../../javax/swing/text/View.html" title="class in javax.swing.text">javax.swing.text.View</a></li>
<li>
<ul class="inheritance">
<li>javax.swing.text.ComponentView</li>
</ul> </li>
</ul> </li>
</ul>
<div class="description">
<ul class="blockList">
<li class="blockList">
<dl>
<dt>
All Implemented Interfaces:
</dt>
<dd>
<span><a href="../../../javax/swing/SwingConstants.html" title="javax.swing中的接口">SwingConstants</a></span>
</dd>
</dl>
<dl>
<dt>
已知直接子类：
</dt>
<dd>
<span><a href="../../../javax/swing/text/html/FormView.html" title="javax.swing.text.html中的类">FormView</a> ， <a href="../../../javax/swing/text/html/ObjectView.html" title="javax.swing.text.html中的类">ObjectView</a></span>
</dd>
</dl>
<hr/> <br/> <pre>public class <span class="typeNameLabel">ComponentView</span>
extends <a href="../../../javax/swing/text/View.html" title="class in javax.swing.text">View</a></pre>
<div class="block">
<span>实现视图界面的组件装饰器。</span>
<span>整个元素用于表示组件。</span>
<span>这充当从仅显示View实现到交互式轻量级组件（即它允许组件嵌入到View层次结构中）的网关。</span>
<p> <span>该组件是根据返回的值，以相对于文本基线放置<code>Component.getAlignmentY</code> 。</span> <span>对于Swing组件，可以使用方法<code>JComponent.setAlignmentY</code>方便地设置此值。</span> <span>例如，设置值为<code>0.75</code>将导致75％的组件高于基线，25％的组件将低于基线。</span> </p>
<p> <span>该类被实现为在多个线程的存在下（例如从异步通知模型更改）正常工作，确保所有组件访问都在事件线程上完成。</span> </p>
<p> <span>所使用的组件由createComponent方法的返回值确定。</span> <span>此方法的默认实现是返回组件作为元素的属性（通过调用StyleConstants.getComponent）。</span> <span>这种行为的局限性在于组件不能被多个文本组件使用（即使用共享模型）。</span> <span>子类可以通过实现createComponent来删除此约束，以便根据属性中包含的某种规范实际创建组件。</span> <span>html包中的ObjectView类是支持共享模型的多个组件视图的ComponentView实现的示例。</span> </p>
</div> </li>
</ul>
</div>
<div class="summary">
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<!-- =========== FIELD SUMMARY =========== -->
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<li class="blockList"><a name="field.summary">
<!-- --> </a> <h3>Field Summary</h3>
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<li class="blockList"><a name="fields.inherited.from.class.javax.swing.text.View">
<!-- --> </a> <h3>Fields inherited from class javax.swing.text.<a href="../../../javax/swing/text/View.html" title="class in javax.swing.text">View</a></h3> <code><a href="../../../javax/swing/text/View.html#BadBreakWeight">BadBreakWeight</a>, <a href="../../../javax/swing/text/View.html#ExcellentBreakWeight">ExcellentBreakWeight</a>, <a href="../../../javax/swing/text/View.html#ForcedBreakWeight">ForcedBreakWeight</a>, <a href="../../../javax/swing/text/View.html#GoodBreakWeight">GoodBreakWeight</a>, <a href="../../../javax/swing/text/View.html#X_AXIS">X_AXIS</a>, <a href="../../../javax/swing/text/View.html#Y_AXIS">Y_AXIS</a></code></li>
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<li class="blockList"><a name="fields.inherited.from.class.javax.swing.SwingConstants">
<!-- --> </a> <h3>Fields inherited from interface javax.swing.<a href="../../../javax/swing/SwingConstants.html" title="interface in javax.swing">SwingConstants</a></h3> <code><a href="../../../javax/swing/SwingConstants.html#BOTTOM">BOTTOM</a>, <a href="../../../javax/swing/SwingConstants.html#CENTER">CENTER</a>, <a href="../../../javax/swing/SwingConstants.html#EAST">EAST</a>, <a href="../../../javax/swing/SwingConstants.html#HORIZONTAL">HORIZONTAL</a>, <a href="../../../javax/swing/SwingConstants.html#LEADING">LEADING</a>, <a href="../../../javax/swing/SwingConstants.html#LEFT">LEFT</a>, <a href="../../../javax/swing/SwingConstants.html#NEXT">NEXT</a>, <a href="../../../javax/swing/SwingConstants.html#NORTH">NORTH</a>, <a href="../../../javax/swing/SwingConstants.html#NORTH_EAST">NORTH_EAST</a>, <a href="../../../javax/swing/SwingConstants.html#NORTH_WEST">NORTH_WEST</a>, <a href="../../../javax/swing/SwingConstants.html#PREVIOUS">PREVIOUS</a>, <a href="../../../javax/swing/SwingConstants.html#RIGHT">RIGHT</a>, <a href="../../../javax/swing/SwingConstants.html#SOUTH">SOUTH</a>, <a href="../../../javax/swing/SwingConstants.html#SOUTH_EAST">SOUTH_EAST</a>, <a href="../../../javax/swing/SwingConstants.html#SOUTH_WEST">SOUTH_WEST</a>, <a href="../../../javax/swing/SwingConstants.html#TOP">TOP</a>, <a href="../../../javax/swing/SwingConstants.html#TRAILING">TRAILING</a>, <a href="../../../javax/swing/SwingConstants.html#VERTICAL">VERTICAL</a>, <a href="../../../javax/swing/SwingConstants.html#WEST">WEST</a></code></li>
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<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Constructor Summary table, listing constructors, and an explanation">
<caption>
<span>构造方法</span>
<span class="tabEnd"> </span>
</caption>
<tbody>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../javax/swing/text/ComponentView.html#ComponentView-javax.swing.text.Element-">ComponentView</a></span>(<a href="../../../javax/swing/text/Element.html" title="interface in javax.swing.text">Element</a> elem)</code>
<div class="block">
创建一个新的ComponentView对象。
</div> </td>
</tr>
</tbody>
</table> </li>
</ul>
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<li class="blockList"><a name="method.summary">
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<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Method Summary table, listing methods, and an explanation">
<caption>
<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>
</caption>
<tbody>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor" id="i0">
<td class="colFirst"><code>protected <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/text/ComponentView.html#createComponent--">createComponent</a></span>()</code>
<div class="block">
创建与此视图关联的组件。
</div> </td>
</tr>
<tr class="rowColor" id="i1">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/text/ComponentView.html#getAlignment-int-">getAlignment</a></span>(int axis)</code>
<div class="block">
确定沿着轴的该视图的所需对准。
</div> </td>
</tr>
<tr class="altColor" id="i2">
<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/text/ComponentView.html#getComponent--">getComponent</a></span>()</code>
<div class="block">
获取与视图关联的组件。
</div> </td>
</tr>
<tr class="rowColor" id="i3">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/text/ComponentView.html#getMaximumSpan-int-">getMaximumSpan</a></span>(int axis)</code>
<div class="block">
确定沿着轴的该视图的最大跨度。
</div> </td>
</tr>
<tr class="altColor" id="i4">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/text/ComponentView.html#getMinimumSpan-int-">getMinimumSpan</a></span>(int axis)</code>
<div class="block">
确定此视图沿轴的最小跨度。
</div> </td>
</tr>
<tr class="rowColor" id="i5">
<td class="colFirst"><code>float</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/text/ComponentView.html#getPreferredSpan-int-">getPreferredSpan</a></span>(int axis)</code>
<div class="block">
确定沿着轴的此视图的首选跨度。
</div> </td>
</tr>
<tr class="altColor" id="i6">
<td class="colFirst"><code><a href="../../../java/awt/Shape.html" title="interface in java.awt">Shape</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/text/ComponentView.html#modelToView-int-java.awt.Shape-javax.swing.text.Position.Bias-">modelToView</a></span>(int pos, <a href="../../../java/awt/Shape.html" title="interface in java.awt">Shape</a> a, <a href="../../../javax/swing/text/Position.Bias.html" title="class in javax.swing.text">Position.Bias</a> b)</code>
<div class="block">
提供从模型的坐标空间到视图的坐标空间的映射。
</div> </td>
</tr>
<tr class="rowColor" id="i7">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/text/ComponentView.html#paint-java.awt.Graphics-java.awt.Shape-">paint</a></span>(<a href="../../../java/awt/Graphics.html" title="class in java.awt">Graphics</a> g, <a href="../../../java/awt/Shape.html" title="interface in java.awt">Shape</a> a)</code>
<div class="block">
真正的绘画行为自然地发生在组件与其父容器（托管此视图的同一容器）的关联中。
</div> </td>
</tr>
<tr class="altColor" id="i8">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/text/ComponentView.html#setParent-javax.swing.text.View-">setParent</a></span>(<a href="../../../javax/swing/text/View.html" title="class in javax.swing.text">View</a> p)</code>
<div class="block">
设置子视图的父级。
</div> </td>
</tr>
<tr class="rowColor" id="i9">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/text/ComponentView.html#viewToModel-float-float-java.awt.Shape-javax.swing.text.Position.Bias:A-">viewToModel</a></span>(float x, float y, <a href="../../../java/awt/Shape.html" title="interface in java.awt">Shape</a> a, <a href="../../../javax/swing/text/Position.Bias.html" title="class in javax.swing.text">Position.Bias</a>[] bias)</code>
<div class="block">
提供从视图坐标空间到模型的逻辑坐标空间的映射。
</div> </td>
</tr>
</tbody>
</table>
<ul class="blockList">
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<!-- --> </a> <h3>Methods inherited from class javax.swing.text.<a href="../../../javax/swing/text/View.html" title="class in javax.swing.text">View</a></h3> <code><a href="../../../javax/swing/text/View.html#append-javax.swing.text.View-">append</a>, <a href="../../../javax/swing/text/View.html#breakView-int-int-float-float-">breakView</a>, <a href="../../../javax/swing/text/View.html#changedUpdate-javax.swing.event.DocumentEvent-java.awt.Shape-javax.swing.text.ViewFactory-">changedUpdate</a>, <a href="../../../javax/swing/text/View.html#createFragment-int-int-">createFragment</a>, <a href="../../../javax/swing/text/View.html#forwardUpdate-javax.swing.event.DocumentEvent.ElementChange-javax.swing.event.DocumentEvent-java.awt.Shape-javax.swing.text.ViewFactory-">forwardUpdate</a>, <a href="../../../javax/swing/text/View.html#forwardUpdateToView-javax.swing.text.View-javax.swing.event.DocumentEvent-java.awt.Shape-javax.swing.text.ViewFactory-">forwardUpdateToView</a>, <a href="../../../javax/swing/text/View.html#getAttributes--">getAttributes</a>, <a href="../../../javax/swing/text/View.html#getBreakWeight-int-float-float-">getBreakWeight</a>, <a href="../../../javax/swing/text/View.html#getChildAllocation-int-java.awt.Shape-">getChildAllocation</a>, <a href="../../../javax/swing/text/View.html#getContainer--">getContainer</a>, <a href="../../../javax/swing/text/View.html#getDocument--">getDocument</a>, <a href="../../../javax/swing/text/View.html#getElement--">getElement</a>, <a href="../../../javax/swing/text/View.html#getEndOffset--">getEndOffset</a>, <a href="../../../javax/swing/text/View.html#getGraphics--">getGraphics</a>, <a href="../../../javax/swing/text/View.html#getNextVisualPositionFrom-int-javax.swing.text.Position.Bias-java.awt.Shape-int-javax.swing.text.Position.Bias:A-">getNextVisualPositionFrom</a>, <a href="../../../javax/swing/text/View.html#getParent--">getParent</a>, <a href="../../../javax/swing/text/View.html#getResizeWeight-int-">getResizeWeight</a>, <a href="../../../javax/swing/text/View.html#getStartOffset--">getStartOffset</a>, <a href="../../../javax/swing/text/View.html#getToolTipText-float-float-java.awt.Shape-">getToolTipText</a>, <a href="../../../javax/swing/text/View.html#getView-int-">getView</a>, <a href="../../../javax/swing/text/View.html#getViewCount--">getViewCount</a>, <a href="../../../javax/swing/text/View.html#getViewFactory--">getViewFactory</a>, <a href="../../../javax/swing/text/View.html#getViewIndex-float-float-java.awt.Shape-">getViewIndex</a>, <a href="../../../javax/swing/text/View.html#getViewIndex-int-javax.swing.text.Position.Bias-">getViewIndex</a>, <a href="../../../javax/swing/text/View.html#insert-int-javax.swing.text.View-">insert</a>, <a href="../../../javax/swing/text/View.html#insertUpdate-javax.swing.event.DocumentEvent-java.awt.Shape-javax.swing.text.ViewFactory-">insertUpdate</a>, <a href="../../../javax/swing/text/View.html#isVisible--">isVisible</a>, <a href="../../../javax/swing/text/View.html#modelToView-int-javax.swing.text.Position.Bias-int-javax.swing.text.Position.Bias-java.awt.Shape-">modelToView</a>, <a href="../../../javax/swing/text/View.html#modelToView-int-java.awt.Shape-">modelToView</a>, <a href="../../../javax/swing/text/View.html#preferenceChanged-javax.swing.text.View-boolean-boolean-">preferenceChanged</a>, <a href="../../../javax/swing/text/View.html#remove-int-">remove</a>, <a href="../../../javax/swing/text/View.html#removeAll--">removeAll</a>, <a href="../../../javax/swing/text/View.html#removeUpdate-javax.swing.event.DocumentEvent-java.awt.Shape-javax.swing.text.ViewFactory-">removeUpdate</a>, <a href="../../../javax/swing/text/View.html#replace-int-int-javax.swing.text.View:A-">replace</a>, <a href="../../../javax/swing/text/View.html#setSize-float-float-">setSize</a>, <a href="../../../javax/swing/text/View.html#updateChildren-javax.swing.event.DocumentEvent.ElementChange-javax.swing.event.DocumentEvent-javax.swing.text.ViewFactory-">updateChildren</a>, <a href="../../../javax/swing/text/View.html#updateLayout-javax.swing.event.DocumentEvent.ElementChange-javax.swing.event.DocumentEvent-java.awt.Shape-">updateLayout</a>, <a href="../../../javax/swing/text/View.html#viewToModel-float-float-java.awt.Shape-">viewToModel</a></code></li>
</ul>
<ul class="blockList">
<li class="blockList"><a name="methods.inherited.from.class.java.lang.Object">
<!-- --> </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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</div>
<div class="details">
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<li class="blockList"><a name="constructor.detail">
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<ul class="blockListLast">
<li class="blockList"> <h4>ComponentView</h4> <pre>public ComponentView(<a href="../../../javax/swing/text/Element.html" title="interface in javax.swing.text">Element</a> elem)</pre>
<div class="block">
创建一个新的ComponentView对象。
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>elem</code> - 要装饰的元素
</dd>
</dl> </li>
</ul> </li>
</ul>
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<li class="blockList"> <h4>createComponent</h4> <pre>protected <a href="../../../java/awt/Component.html" title="class in java.awt">Component</a> createComponent()</pre>
<div class="block">
<span>创建与此视图关联的组件。</span>
<span>当确定需要新的组件时，这将被调用。</span>
<span>这将由调用setParent或由于通知属性已更改而导致。</span>
</div> </li>
</ul> <a name="getComponent--">
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<ul class="blockList">
<li class="blockList"> <h4>getComponent</h4> <pre>public final <a href="../../../java/awt/Component.html" title="class in java.awt">Component</a> getComponent()</pre>
<div class="block">
获取与视图关联的组件。
</div> </li>
</ul> <a name="paint-java.awt.Graphics-java.awt.Shape-">
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<ul class="blockList">
<li class="blockList"> <h4>paint</h4> <pre>public void paint(<a href="../../../java/awt/Graphics.html" title="class in java.awt">Graphics</a> g,
<a href="../../../java/awt/Shape.html" title="interface in java.awt">Shape</a> a)</pre>
<div class="block">
<span>真正的绘画行为自然地发生在组件与其父容器（托管此视图的同一容器）的关联中。</span>
<span>这是执行什么都不做的。</span>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/swing/text/View.html#paint-java.awt.Graphics-java.awt.Shape-">paint</a></code>在
<code><a href="../../../javax/swing/text/View.html" title="class in javax.swing.text">View</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>g</code> - 图形上下文
</dd>
<dd>
<code>a</code> - 形状
</dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../javax/swing/text/View.html#paint-java.awt.Graphics-java.awt.Shape-"><code>View.paint(java.awt.Graphics, java.awt.Shape)</code></a>
</dd>
</dl> </li>
</ul> <a name="getPreferredSpan-int-">
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<ul class="blockList">
<li class="blockList"> <h4>getPreferredSpan</h4> <pre>public float getPreferredSpan(int axis)</pre>
<div class="block">
<span>确定沿着轴的此视图的首选跨度。</span>
<span>这是为了返回Component.getPreferredSize返回的值沿着感兴趣的轴。</span>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/swing/text/View.html#getPreferredSpan-int-">getPreferredSpan</a></code>在
<code><a href="../../../javax/swing/text/View.html" title="class in javax.swing.text">View</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>axis</code> - 可以是View.X_AXIS或View.Y_AXIS
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>视图想要呈现为&gt; = 0的跨度。</span>
<span>通常，视图被呈现到返回的跨度，尽管不能保证。</span>
<span>父母可以选择调整大小或打破视图。</span>
</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> - 针对无效轴
</dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../javax/swing/text/View.html#getPreferredSpan-int-"><code>View.getPreferredSpan(int)</code></a>
</dd>
</dl> </li>
</ul> <a name="getMinimumSpan-int-">
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<ul class="blockList">
<li class="blockList"> <h4>getMinimumSpan</h4> <pre>public float getMinimumSpan(int axis)</pre>
<div class="block">
<span>确定此视图沿轴的最小跨度。</span>
<span>这是为了返回Component.getMinimumSize返回的值沿着感兴趣的轴。</span>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">重写：</span>
</dt>
<dd>
<code><a href="../../../javax/swing/text/View.html#getMinimumSpan-int-">getMinimumSpan</a></code>在
<code><a href="../../../javax/swing/text/View.html" title="class in javax.swing.text">View</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>axis</code> - 可以是View.X_AXIS或View.Y_AXIS
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>视图想要呈现为&gt; = 0的跨度。</span>
<span>通常，视图被呈现到返回的跨度，尽管不能保证。</span>
<span>父母可以选择调整大小或打破视图。</span>
</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> - 对于无效轴
</dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../javax/swing/text/View.html#getPreferredSpan-int-"><code>View.getPreferredSpan(int)</code></a>
</dd>
</dl> </li>
</ul> <a name="getMaximumSpan-int-">
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<ul class="blockList">
<li class="blockList"> <h4>getMaximumSpan</h4> <pre>public float getMaximumSpan(int axis)</pre>
<div class="block">
<span>确定沿着轴的该视图的最大跨度。</span>
<span>这是为了返回Component.getMaximumSize返回的值沿着感兴趣的轴。</span>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">重写：</span>
</dt>
<dd>
<code><a href="../../../javax/swing/text/View.html#getMaximumSpan-int-">getMaximumSpan</a></code>在
<code><a href="../../../javax/swing/text/View.html" title="class in javax.swing.text">View</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>axis</code> - 可以是View.X_AXIS或View.Y_AXIS
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>视图想要呈现为&gt; = 0的跨度。</span>
<span>通常，视图被呈现到返回的跨度，尽管不能保证。</span>
<span>父母可以选择调整大小或打破视图。</span>
</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> - 针对无效轴
</dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../javax/swing/text/View.html#getPreferredSpan-int-"><code>View.getPreferredSpan(int)</code></a>
</dd>
</dl> </li>
</ul> <a name="getAlignment-int-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getAlignment</h4> <pre>public float getAlignment(int axis)</pre>
<div class="block">
<span>确定沿着轴的该视图的所需对准。</span>
<span>这被实现以给出嵌入式组件的对齐。</span>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">重写：</span>
</dt>
<dd>
<code><a href="../../../javax/swing/text/View.html#getAlignment-int-">getAlignment</a></code>在
<code><a href="../../../javax/swing/text/View.html" title="class in javax.swing.text">View</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>axis</code> - 可以是View.X_AXIS或View.Y_AXIS
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>所需的对齐。</span>
<span>这应该是0.0到1.0之间的值，其中0表示原点对齐，1.0表示与原点的全跨距对齐。</span>
<span>0.5的对齐将是视图的中心。</span>
</dd>
</dl> </li>
</ul> <a name="setParent-javax.swing.text.View-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>setParent</h4> <pre>public void setParent(<a href="../../../javax/swing/text/View.html" title="class in javax.swing.text">View</a> p)</pre>
<div class="block">
<span>设置子视图的父级。</span>
<span>父母把这个告诉孩子，告诉它父母是谁，让视图访问主机容器。</span>
<span>执行超类行为，接着如果父视图参数为非空，并且尚未创建组件，则调用createComponent。</span>
<span>然后将嵌入式组件父项设置为<code>getContainer</code>返回的值。</span>
<span>如果父视图参数为null，则此视图正在清除，因此该组件将从其父项中删除。</span>
<p> <span>组件层次结构的更改将触及组件锁定，这是View层次结构中不安全的一件事情。</span> <span>因此，如果在事件线程上执行，则会立即执行此功能，或者如果从另一个线程调用（如果从异步更新发生更改的通知），则会在事件队列中排队。</span> </p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">重写：</span>
</dt>
<dd>
<code><a href="../../../javax/swing/text/View.html#setParent-javax.swing.text.View-">setParent</a></code>在
<code><a href="../../../javax/swing/text/View.html" title="class in javax.swing.text">View</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>p</code> - 父母
</dd>
</dl> </li>
</ul> <a name="modelToView-int-java.awt.Shape-javax.swing.text.Position.Bias-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>modelToView</h4> <pre>public <a href="../../../java/awt/Shape.html" title="interface in java.awt">Shape</a> modelToView(int pos,
<a href="../../../java/awt/Shape.html" title="interface in java.awt">Shape</a> a,
<a href="../../../javax/swing/text/Position.Bias.html" title="class in javax.swing.text">Position.Bias</a> b)
throws <a href="../../../javax/swing/text/BadLocationException.html" title="class in javax.swing.text">BadLocationException</a></pre>
<div class="block">
提供从模型的坐标空间到视图的坐标空间的映射。
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/swing/text/View.html#modelToView-int-java.awt.Shape-javax.swing.text.Position.Bias-">modelToView</a></code>在
<code><a href="../../../javax/swing/text/View.html" title="class in javax.swing.text">View</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>pos</code> - 转换&gt; = 0的位置
</dd>
<dd>
<code>a</code> - 要分配的区域
</dd>
<dd>
<span><code>b</code> - 在位置是两个视图的边界的情况下，偏移朝向前一个字符或由偏移表示的下一个字符;</span>
<span><code>b</code>将具有以下值之一：</span>
<ul>
<li> <code>Position.Bias.Forward</code> </li>
<li> <code>Position.Bias.Backward</code> </li>
</ul>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
返回给定位置的边界框
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../javax/swing/text/BadLocationException.html" title="class in javax.swing.text">BadLocationException</a></code> - 如果给定的位置不表示相关文档中的有效位置
</dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../javax/swing/text/View.html#modelToView-int-java.awt.Shape-javax.swing.text.Position.Bias-"><code>View.modelToView(int, java.awt.Shape, javax.swing.text.Position.Bias)</code></a>
</dd>
</dl> </li>
</ul> <a name="viewToModel-float-float-java.awt.Shape-javax.swing.text.Position.Bias:A-">
<!-- --> </a>
<ul class="blockListLast">
<li class="blockList"> <h4>viewToModel</h4> <pre>public int viewToModel(float x,
float y,
<a href="../../../java/awt/Shape.html" title="interface in java.awt">Shape</a> a,
<a href="../../../javax/swing/text/Position.Bias.html" title="class in javax.swing.text">Position.Bias</a>[] bias)</pre>
<div class="block">
提供从视图坐标空间到模型的逻辑坐标空间的映射。
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../../javax/swing/text/View.html#viewToModel-float-float-java.awt.Shape-javax.swing.text.Position.Bias:A-">viewToModel</a></code>在
<code><a href="../../../javax/swing/text/View.html" title="class in javax.swing.text">View</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>x</code> - X坐标&gt; = 0
</dd>
<dd>
<code>y</code> - Y坐标&gt; = 0
</dd>
<dd>
<code>a</code> - 要分配的区域
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
模型中最能代表视图中给定点的位置
</dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../../javax/swing/text/View.html#viewToModel-float-float-java.awt.Shape-javax.swing.text.Position.Bias:A-"><code>View.viewToModel(float, float, java.awt.Shape, javax.swing.text.Position.Bias[])</code></a>
</dd>
</dl> </li>
</ul> </li>
</ul> </li>
</ul>
</div>
</div>
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