xopendocumentsmenu.java

来自「java写的浏览器」· Java 代码 · 共 114 行

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

import javax.swing.*;
import java.util.*;
import java.awt.*;
import java.awt.event.*;

import xbrowser.*;
import xbrowser.doc.*;
import xbrowser.util.*;
import xbrowser.container.event.*;

public class XOpenDocumentsMenu extends JMenu implements XDocumentContainerListener
{
	public XOpenDocumentsMenu()
	{
		setText( XRepository.getResourceManager().getProperty(this, "Title") );
		setIcon( XRepository.getComponentBuilder().buildImageIcon(this, "image.Document") );

		XBrowser.getBrowser().addDocumentContainerListener(this);
	}

    ///////////////// XDocumentContainerListener Interface /////////////////////
    public void documentActivated(XDocument doc)
    {
	XDocumentMenuItem menu_item = (XDocumentMenuItem)doc_MenuItem.get(doc);

		if( menu_item!=null && !menu_item.isSelected() )
			menu_item.setSelected(true);
    }

    public void documentAdded(XDocument doc)
    {
	XDocumentMenuItem menu_item = new XDocumentMenuItem(doc);

		add(menu_item);
		btnDocGroup.add(menu_item);
		menu_item.setSelected(true);

		doc_MenuItem.put(doc,menu_item);
	}

    public void documentClosed(XDocument doc)
    {
	XDocumentMenuItem menu_item = (XDocumentMenuItem)doc_MenuItem.remove(doc);

		if( menu_item!=null )
		{
			remove(menu_item);
			btnDocGroup.remove(menu_item);
			menu_item.setDocument(null);
		}
    }
    ///////////////// XDocumentContainerListener Interface /////////////////////

	private class XDocumentMenuItem extends JRadioButtonMenuItem implements ActionListener
	{
		public XDocumentMenuItem(XDocument doc)
		{
			setDocument(doc);
			addActionListener(this);
		}

		public void setDocument(XDocument doc)
		{
			this.doc = doc;
		}

		/*protected void processMouseEvent(MouseEvent e)
		{
			if( e.isPopupTrigger() )
			{
				XBrowser.getBrowser().getDocumentContainer().activateDocument(doc);
				XBrowser.getBrowser().showPopupMenu(this,null,e.getX(),e.getY());
			}
			else
				super.processMouseEvent(e);
		}*/

		public String getText()
		{
			if( doc!=null )
				return doc.getPageTitle();
			else
				return "";
		}

		public void actionPerformed(ActionEvent e)
		{
			if( doc!=null )
				XBrowser.getBrowser().getDocumentContainer().activateDocument(doc);
		}

	// Attribute:
		private XDocument doc = null;
	}

// Attributes:
	private ButtonGroup btnDocGroup = new ButtonGroup();
	private Map doc_MenuItem = new HashMap();
}