/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package mf.org.apache.html.dom;
import mf.org.w3c.dom.Node;
import mf.org.w3c.dom.NodeList;
import mf.org.w3c.dom.html.HTMLCollection;
import mf.org.w3c.dom.html.HTMLElement;
import mf.org.w3c.dom.html.HTMLOptionElement;
import mf.org.w3c.dom.html.HTMLSelectElement;
/**
* @xerces.internal
* @version $Revision: 1029415 $ $Date: 2010-10-31 13:02:22 -0400 (Sun, 31 Oct 2010) $
* @author <a href="mailto:arkin@exoffice.com">Assaf Arkin</a>
* @see mf.org.w3c.dom.html.HTMLSelectElement
* @see mf.org.apache.xerces.dom.ElementImpl
*/
public class HTMLSelectElementImpl
extends HTMLElementImpl
implements HTMLSelectElement, HTMLFormControl
{
private static final long serialVersionUID = -6998282711006968187L;
public String getType()
{
return getAttribute( "type" );
}
public String getValue()
{
return getAttribute( "value" );
}
public void setValue( String value )
{
setAttribute( "value", value );
}
public int getSelectedIndex()
{
NodeList options;
int i;
// Use getElementsByTagName() which creates a snapshot of all the
// OPTION elements under this SELECT. Access to the returned NodeList
// is very fast and the snapshot solves many synchronization problems.
// Locate the first selected OPTION and return its index. Note that
// the OPTION might be under an OPTGROUP.
options = getElementsByTagName( "OPTION" );
for ( i = 0 ; i < options.getLength() ; ++i )
if ( ( (HTMLOptionElement) options.item( i ) ).getSelected() )
return i;
return -1;
}
public void setSelectedIndex( int selectedIndex )
{
NodeList options;
int i;
// Use getElementsByTagName() which creates a snapshot of all the
// OPTION elements under this SELECT. Access to the returned NodeList
// is very fast and the snapshot solves many synchronization problems.
// Change the select so all OPTIONs are off, except for the
// selectIndex-th one.
options = getElementsByTagName( "OPTION" );
for ( i = 0 ; i < options.getLength() ; ++i )
( (HTMLOptionElementImpl) options.item( i ) ).setSelected( i == selectedIndex );
}
public HTMLCollection getOptions()
{
if ( _options == null )
_options = new HTMLCollectionImpl( this, HTMLCollectionImpl.OPTION );
return _options;
}
public int getLength()
{
return getOptions().getLength();
}
public boolean getDisabled()
{
return getBinary( "disabled" );
}
public void setDisabled( boolean disabled )
{
setAttribute( "disabled", disabled );
}
public boolean getMultiple()
{
return getBinary( "multiple" );
}
public void setMultiple( boolean multiple )
{
setAttribute( "multiple", multiple );
}
public String getName()
{
return getAttribute( "name" );
}
public void setName( String name )
{
setAttribute( "name", name );
}
public int getSize()
{
return getInteger( getAttribute( "size" ) );
}
public void setSize( int size )
{
setAttribute( "size", String.valueOf( size ) );
}
public int getTabIndex()
{
return getInteger( getAttribute( "tabindex" ) );
}
public void setTabIndex( int tabIndex )
{
setAttribute( "tabindex", String.valueOf( tabIndex ) );
}
public void add( HTMLElement element, HTMLElement before )
{
insertBefore( element, before );
}
public void remove( int index )
{
NodeList options;
Node removed;
// Use getElementsByTagName() which creates a snapshot of all the
// OPTION elements under this SELECT. Access to the returned NodeList
// is very fast and the snapshot solves many synchronization problems.
// Remove the indexed OPTION from it's parent, this might be this
// SELECT or an OPTGROUP.
options = getElementsByTagName( "OPTION" );
removed = options.item( index );
if ( removed != null )
removed.getParentNode().removeChild ( removed );
}
public void blur()
{
// No scripting in server-side DOM. This method is moot.
}
public void focus()
{
// No scripting in server-side DOM. This method is moot.
}
/**
* Explicit implementation of getChildNodes() to avoid problems with
* overriding the getLength() method hidden in the super class.
*/
public NodeList getChildNodes() {
return getChildNodesUnoptimized();
}
/**
* Explicit implementation of cloneNode() to ensure that cache used
* for getOptions() gets cleared.
*/
public Node cloneNode(boolean deep) {
HTMLSelectElementImpl clonedNode = (HTMLSelectElementImpl)super.cloneNode( deep );
clonedNode._options = null;
return clonedNode;
}
/**
* Constructor requires owner document.
*
* @param owner The owner HTML document
*/
public HTMLSelectElementImpl( HTMLDocumentImpl owner, String name )
{
super( owner, name );
}
private HTMLCollection _options;
}