xhtmlcollection.java

来自「java写的浏览器」· Java 代码 · 共 74 行

/****************************************************************
*              XBrowser  -  eXtended web Browser                *
*                                                               *
*           Copyright (c) 2000-2001  Armond Avanes              *
*     Refer to ReadMe & License files for more information      *
*                                                               *
*                                                               *
*                 By: Uladzimir V. Kavalchuk                    *
*               [e-mail]                 *
*               http://xbrowser.sourceforge.net/                *
*****************************************************************/
package xbrowser.renderer.custom.js;

import java.util.*;
import java.lang.reflect.*;

import org.mozilla.javascript.*;

import xbrowser.renderer.custom.*;

/** W3C-compatible interface implementation to handle 'document' collections. */
public class XHTMLCollection extends ScriptableObject {

	public XHTMLCollection() {
		try {
			defineProperty( "length", getClass(), DONTENUM);
		} catch( PropertyException p) {
			XRendererSupport.getContext().getLogger().error(this, p);
		}
	}

	public String getClassName() {
	    return "XHTMLCollection";
	}

    public long getLength() {
		return names.size();
	}

	public Object get( int index, Scriptable start) {
	    Object result = super.get( index, start);
		if( result == null || result == NOT_FOUND)
			result = item( index);
		XRendererSupport.getContext().getLogger().message(this, "Getting images/" + index + ", res = " + result);
		return result;
	}

	public Object get( String name, Scriptable start) {
	    Object result = super.get( name, start);
		if( result == null)
			result = getNamedItem( name);
		return result;
	}

	// This is w3c functions
	public ScriptableObject item( long index) {
		return (ScriptableObject)objects.get( (int)index);
	}
	public ScriptableObject getNamedItem( String name) {
		return item( names.indexOf( name));
	}

	/** Internal method, not exposed for JS. */
	public void add( ScriptableObject object, String id) {
		names.add( id);
		objects.add( object);
	}

// Attributes:
    protected Vector /*<String>*/names = new Vector();
	protected ArrayList /*<ScriptableObjects>*/ objects = new ArrayList();

	final static Class[] params = new Class[] { };
}