mirror of
https://github.com/fofolee/uTools-Manuals.git
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316 lines
12 KiB
HTML
316 lines
12 KiB
HTML
<div class="header">
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<div class="subTitle">
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javax.swing.text
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</div>
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<h2 class="title" title="Interface Element">Interface Element</h2>
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</div><div class="contentContainer">
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<div class="description">
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<ul class="blockList">
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<li class="blockList">
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<dl>
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<dt>
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所有已知实现类：
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</dt>
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<dd>
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<span><a href="../../../javax/swing/text/AbstractDocument.AbstractElement.html" title="javax.swing.text中的类">AbstractDocument.AbstractElement</a> ， <a href="../../../javax/swing/text/AbstractDocument.BranchElement.html" title="javax.swing.text中的类">AbstractDocument.BranchElement</a> ， <a href="../../../javax/swing/text/AbstractDocument.LeafElement.html" title="javax.swing.text中的类">AbstractDocument.LeafElement</a> ， <a href="../../../javax/swing/text/DefaultStyledDocument.SectionElement.html" title="javax.swing.text中的类">DefaultStyledDocument.SectionElement</a> ， <a href="../../../javax/swing/text/html/HTMLDocument.BlockElement.html" title="javax.swing.text.html中的类">HTMLDocument.BlockElement</a> ， <a href="../../../javax/swing/text/html/HTMLDocument.RunElement.html" title="javax.swing.text.html中的类">HTMLDocument.RunElement</a></span>
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</dd>
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</dl>
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<hr/> <br/> <pre>public interface <span class="typeNameLabel">Element</span></pre>
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<div class="block">
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<span>描述文档的结构部分的界面。</span>
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<span>它旨在捕捉SGML元素的精神。</span>
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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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<!-- ========== 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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</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><a href="../../../javax/swing/text/AttributeSet.html" title="interface in javax.swing.text">AttributeSet</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/text/Element.html#getAttributes--">getAttributes</a></span>()</code>
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<div class="block">
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获取此元素包含的属性集合。
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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="../../../javax/swing/text/Document.html" title="interface in javax.swing.text">Document</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/text/Element.html#getDocument--">getDocument</a></span>()</code>
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<div class="block">
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获取与此元素关联的文档。
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</div> </td>
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</tr>
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<tr class="altColor" id="i2">
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<td class="colFirst"><code><a href="../../../javax/swing/text/Element.html" title="interface in javax.swing.text">Element</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/text/Element.html#getElement-int-">getElement</a></span>(int index)</code>
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<div class="block">
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在给定索引处获取子元素。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i3">
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<td class="colFirst"><code>int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/text/Element.html#getElementCount--">getElementCount</a></span>()</code>
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<div class="block">
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获取此元素包含的子元素的数量。
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</div> </td>
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</tr>
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<tr class="altColor" id="i4">
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<td class="colFirst"><code>int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/text/Element.html#getElementIndex-int-">getElementIndex</a></span>(int offset)</code>
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<div class="block">
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获取最接近给定偏移量的子元素索引。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i5">
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<td class="colFirst"><code>int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/text/Element.html#getEndOffset--">getEndOffset</a></span>()</code>
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<div class="block">
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从文档的开始处获取该元素结束的偏移量。
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</div> </td>
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</tr>
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<tr class="altColor" id="i6">
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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/text/Element.html#getName--">getName</a></span>()</code>
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<div class="block">
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获取元素的名称。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i7">
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<td class="colFirst"><code><a href="../../../javax/swing/text/Element.html" title="interface in javax.swing.text">Element</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/text/Element.html#getParentElement--">getParentElement</a></span>()</code>
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<div class="block">
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获取父元素。
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</div> </td>
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</tr>
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<tr class="altColor" id="i8">
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<td class="colFirst"><code>int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/text/Element.html#getStartOffset--">getStartOffset</a></span>()</code>
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<div class="block">
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从该元素开头的文档开始处获取偏移量。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i9">
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<td class="colFirst"><code>boolean</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/swing/text/Element.html#isLeaf--">isLeaf</a></span>()</code>
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<div class="block">
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<span>这个元素是叶元素吗？</span>
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<span>一个<i>可能</i>有孩子的元素，即使它目前没有孩子，将返回<code>false</code> 。</span>
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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> </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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<!-- ============ 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="getDocument--">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>getDocument</h4> <pre><a href="../../../javax/swing/text/Document.html" title="interface in javax.swing.text">Document</a> getDocument()</pre>
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<div class="block">
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获取与此元素关联的文档。
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</div>
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<dl>
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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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文件
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</dd>
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</dl> </li>
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</ul> <a name="getParentElement--">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>getParentElement</h4> <pre><a href="../../../javax/swing/text/Element.html" title="interface in javax.swing.text">Element</a> getParentElement()</pre>
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<div class="block">
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<span>获取父元素。</span>
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<span>如果元素是根级元素，则返回<code>null</code> 。</span>
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</div>
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<dl>
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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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父元素
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</dd>
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</dl> </li>
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</ul> <a name="getName--">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>getName</h4> <pre><a href="../../../java/lang/String.html" title="class in java.lang">String</a> getName()</pre>
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<div class="block">
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<span>获取元素的名称。</span>
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<span>如果元素用于表示某种类型的结构，则这将是类型名称。</span>
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</div>
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<dl>
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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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元素名称
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</dd>
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</dl> </li>
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</ul> <a name="getAttributes--">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>getAttributes</h4> <pre><a href="../../../javax/swing/text/AttributeSet.html" title="interface in javax.swing.text">AttributeSet</a> getAttributes()</pre>
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<div class="block">
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获取此元素包含的属性集合。
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</div>
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<dl>
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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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元素的属性
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</dd>
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</dl> </li>
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</ul> <a name="getStartOffset--">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>getStartOffset</h4> <pre>int getStartOffset()</pre>
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<div class="block">
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<span>从该元素开头的文档开始处获取偏移量。</span>
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<span>如果这个元素有孩子，这将是第一个孩子的偏移量。</span>
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<span>作为文件的位置，存在隐含的正向偏见。</span>
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</div>
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<dl>
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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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起始偏移量> = 0和<getEndOffset（）;
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</dd>
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<dt>
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<span class="seeLabel">另请参见：</span>
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</dt>
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<dd>
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<span><a href="../../../javax/swing/text/Document.html" title="javax.swing.text中的接口"><code>Document</code></a> ， <a href="../../../javax/swing/text/AbstractDocument.html" title="javax.swing.text中的类"><code>AbstractDocument</code></a></span>
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</dd>
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</dl> </li>
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</ul> <a name="getEndOffset--">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>getEndOffset</h4> <pre>int getEndOffset()</pre>
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<div class="block">
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<span>从文档的开始处获取该元素结束的偏移量。</span>
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<span>如果这个元素有孩子，这将是最后一个孩子的结束偏移量。</span>
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<span>作为文件位置，存在隐含的反向偏差。</span>
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<p> <span>所有默认的<code>Document</code>实现都从<code>AbstractDocument</code> 。</span> <span><code>AbstractDocument</code>模型在文档结尾处有隐含的断点。</span> <span>因此，可以返回大于文档长度的值。</span> </p>
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</div>
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<dl>
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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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结束偏移> getStartOffset（）和<= getDocument（）。getLength（）+ 1
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</dd>
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<dt>
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<span class="seeLabel">另请参见：</span>
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</dt>
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<dd>
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<span><a href="../../../javax/swing/text/Document.html" title="javax.swing.text中的接口"><code>Document</code></a> ， <a href="../../../javax/swing/text/AbstractDocument.html" title="javax.swing.text中的类"><code>AbstractDocument</code></a></span>
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</dd>
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</dl> </li>
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</ul> <a name="getElementIndex-int-">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>getElementIndex</h4> <pre>int getElementIndex(int offset)</pre>
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<div class="block">
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<span>获取最接近给定偏移量的子元素索引。</span>
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<span>相对于文档的开头指定了偏移量。</span>
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<span>如果<code>Element</code>是叶，则返回<code>-1</code> ，否则返回最能代表给定位置的<code>Element</code>的索引。</span>
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<span>如果位置小于起始偏移量，则返回<code>0</code> 。</span>
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<span>如果位置大于或等于结束偏移量，则返回<code>getElementCount() - 1</code> 。</span>
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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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<code>offset</code> - 指定的偏移量> = 0
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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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元素索引> = 0
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</dd>
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</dl> </li>
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</ul> <a name="getElementCount--">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>getElementCount</h4> <pre>int getElementCount()</pre>
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<div class="block">
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<span>获取此元素包含的子元素的数量。</span>
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<span>如果这个元素是一个叶子，返回一个零的计数。</span>
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</div>
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<dl>
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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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子元素的数量> = 0
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</dd>
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</dl> </li>
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</ul> <a name="getElement-int-">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>getElement</h4> <pre><a href="../../../javax/swing/text/Element.html" title="interface in javax.swing.text">Element</a> getElement(int index)</pre>
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<div class="block">
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在给定索引处获取子元素。
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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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<code>index</code> - 指定的索引> = 0
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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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子元素
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</dd>
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</dl> </li>
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</ul> <a name="isLeaf--">
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<!-- --> </a>
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<ul class="blockListLast">
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<li class="blockList"> <h4>isLeaf</h4> <pre>boolean isLeaf()</pre>
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<div class="block">
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<span>这个元素是叶元素吗？</span>
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<span><i>可能</i>有孩子的元素，即使它目前没有孩子，将返回<code>false</code> 。</span>
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</div>
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<dl>
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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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如果叶子元素为false，则为true
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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> |