210 lines
6.2 KiB
Java
210 lines
6.2 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.html.dom;
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import org.w3c.dom.Node;
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import org.w3c.dom.NodeList;
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import org.w3c.dom.Text;
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import org.w3c.dom.html.HTMLElement;
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import org.w3c.dom.html.HTMLOptionElement;
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import org.w3c.dom.html.HTMLSelectElement;
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/**
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* @xerces.internal
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* @version $Revision$ $Date$
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* @author <a href="mailto:arkin@openxml.org">Assaf Arkin</a>
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* @see org.w3c.dom.html.HTMLOptionElement
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* @see org.apache.xerces.dom.ElementImpl
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*/
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public class HTMLOptionElementImpl
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extends HTMLElementImpl
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implements HTMLOptionElement
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{
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private static final long serialVersionUID = -4486774554137530907L;
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public boolean getDefaultSelected()
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{
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// ! NOT FULLY IMPLEMENTED !
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return getBinary( "default-selected" );
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}
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public void setDefaultSelected( boolean defaultSelected )
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{
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// ! NOT FULLY IMPLEMENTED !
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setAttribute( "default-selected", defaultSelected );
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}
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public String getText()
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{
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Node child;
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StringBuffer text = new StringBuffer();
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// Find the Text nodes contained within this element and return their
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// concatenated value. Required to go around comments, entities, etc.
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child = getFirstChild();
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while ( child != null )
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{
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if ( child instanceof Text ) {
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text.append(( (Text) child ).getData());
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}
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child = child.getNextSibling();
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}
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return text.toString();
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}
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public void setText( String text )
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{
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Node child;
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Node next;
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// Delete all the nodes and replace them with a single Text node.
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// This is the only approach that can handle comments and other nodes.
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child = getFirstChild();
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while ( child != null )
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{
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next = child.getNextSibling();
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removeChild( child );
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child = next;
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}
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insertBefore( getOwnerDocument().createTextNode( text ), getFirstChild() );
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}
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public int getIndex()
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{
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Node parent;
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NodeList options;
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int i;
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// Locate the parent SELECT. Note that this OPTION might be inside a
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// OPTGROUP inside the SELECT. Or it might not have a parent SELECT.
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// Everything is possible. If no parent is found, return -1.
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parent = getParentNode();
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while ( parent != null && ! ( parent instanceof HTMLSelectElement ) )
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parent = parent.getParentNode();
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if ( parent != null )
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{
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// Use getElementsByTagName() which creates a snapshot of all the
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// OPTION elements under the SELECT. Access to the returned NodeList
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// is very fast and the snapshot solves many synchronization problems.
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options = ( (HTMLElement) parent ).getElementsByTagName( "OPTION" );
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for ( i = 0 ; i < options.getLength() ; ++i )
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if ( options.item( i ) == this )
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return i;
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}
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return -1;
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}
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public void setIndex( int index )
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{
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Node parent;
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NodeList options;
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Node item;
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// Locate the parent SELECT. Note that this OPTION might be inside a
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// OPTGROUP inside the SELECT. Or it might not have a parent SELECT.
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// Everything is possible. If no parent is found, just return.
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parent = getParentNode();
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while ( parent != null && ! ( parent instanceof HTMLSelectElement ) )
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parent = parent.getParentNode();
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if ( parent != null )
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{
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// Use getElementsByTagName() which creates a snapshot of all the
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// OPTION elements under the SELECT. Access to the returned NodeList
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// is very fast and the snapshot solves many synchronization problems.
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// Make sure this OPTION is not replacing itself.
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options = ( (HTMLElement) parent ).getElementsByTagName( "OPTION" );
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if ( options.item( index ) != this )
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{
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// Remove this OPTION from its parent. Place this OPTION right
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// before indexed OPTION underneath it's direct parent (might
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// be an OPTGROUP).
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getParentNode().removeChild( this );
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item = options.item( index );
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item.getParentNode().insertBefore( this, item );
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}
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}
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}
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public boolean getDisabled()
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{
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return getBinary( "disabled" );
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}
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public void setDisabled( boolean disabled )
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{
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setAttribute( "disabled", disabled );
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}
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public String getLabel()
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{
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return capitalize( getAttribute( "label" ) );
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}
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public void setLabel( String label )
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{
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setAttribute( "label", label );
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}
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public boolean getSelected()
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{
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return getBinary( "selected" );
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}
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public void setSelected( boolean selected )
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{
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setAttribute( "selected", selected );
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}
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public String getValue()
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{
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return getAttribute( "value" );
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}
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public void setValue( String value )
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{
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setAttribute( "value", value );
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}
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/**
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* Constructor requires owner document.
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*
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* @param owner The owner HTML document
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*/
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public HTMLOptionElementImpl( HTMLDocumentImpl owner, String name )
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{
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super( owner, name );
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}
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}
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