tablecontextmenuitemimpl.java

这是我模仿window自带的小游戏扫雷编的,很简单,只实现了扫雷的基本功能,现拿出来与大家分享!

/*
 * Azureus - a Java Bittorrent client
 * 2004/May/16 TuxPaper
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details ( see the LICENSE file ).
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
 
package org.gudy.azureus2.pluginsimpl.local.ui.tables;

import java.util.ArrayList;
import java.util.List;

import org.gudy.azureus2.core3.internat.MessageText;
import org.gudy.azureus2.core3.util.Debug;
import org.gudy.azureus2.plugins.ui.Graphic;
import org.gudy.azureus2.plugins.ui.tables.*;
import org.gudy.azureus2.plugins.ui.menus.*;

public class TableContextMenuItemImpl 
       implements TableContextMenuItem
{
  private String 	sTableID;
  private String 	sName;
  private int		style		= STYLE_PUSH;
  private boolean	enabled		= true;
  private Object	data;
  private Graphic	graphic;
  
  private List 	listeners 		= new ArrayList();
  private List  m_listeners     = new ArrayList();
  private List	fill_listeners	= new ArrayList();
  
  private List  children        = new ArrayList();
  private TableContextMenuItemImpl parent = null;
  
  private String display_text = null;
  
  public TableContextMenuItemImpl(String tableID, String key) {
    sTableID = tableID;
    sName = key;
  }
  
  public TableContextMenuItemImpl(TableContextMenuItemImpl ti, String key) {
	  this.parent = ti;
	  this.parent.addChildMenuItem(this);
	  this.sTableID = this.parent.getTableID();
	  this.sName = key;
  }

  public String getTableID() {
    return sTableID;
  }

  public String getResourceKey() {
    return sName;
  }
  
	public int
	getStyle()
	{
		return( style );
	}
	
	public void
	setStyle(
		int		_style )
	{
		if (this.style == TableContextMenuItem.STYLE_MENU && _style != TableContextMenuItem.STYLE_MENU) {
			throw new RuntimeException("cannot revert menu style MenuItem object to another style");
		}
		style	= _style;
	}
	
	public Object
	getData()
	{
		return( data );
	}
	
	public void
	setData(
		Object	_data )
	{
		data	= _data;
	}
	
	public boolean
	isEnabled()
	{
		return( enabled );
	}
	
	public void
	setEnabled(
		boolean	_enabled )
	{
		enabled = _enabled;
	}
	
	public void
	setGraphic(
		Graphic		_graphic )
	{
		graphic	= _graphic;
	}
	
	public Graphic
	getGraphic()
	{
		return( graphic );
	}
	
	public void
	invokeMenuWillBeShownListeners(
		TableRow[]		rows )
	{
		  for (int i = 0; i < fill_listeners.size(); i++){
		    	
		    	try{
		    		((MenuItemFillListener)(fill_listeners.get(i))).menuWillBeShown(this, rows);
		    		
		    	}catch( Throwable e ){
		    		
		    		Debug.printStackTrace(e);
		    	}
		    }
	}

	public void
	addFillListener(
		MenuItemFillListener	listener )
	{
		fill_listeners.add( listener );
	}
	
	public void
	removeFillListener(
		MenuItemFillListener	listener )
	{
		fill_listeners.remove( listener );
	}
	
  // Currently used by TableView.
  public void invokeListeners(TableRow[] rows) {
	  // We invoke the multi listeners first...
	  invokeListeners0(this.m_listeners, rows);
	  if (!this.listeners.isEmpty()) {
		  for (int i=0; i<rows.length; i++) {
			  invokeListeners0(this.listeners, rows[i]);
		  }
	  }
  }
  
  private void invokeListeners0(List listeners_to_notify, Object o) {
    for (int i = 0; i < listeners_to_notify.size(); i++){
    	
    	try{
    		((MenuItemListener)(listeners_to_notify.get(i))).selected(this, o);
    	}catch( Throwable e ){
    		Debug.printStackTrace(e);
    	}
    }
  }
  
  public void addListener(MenuItemListener l) {
    listeners.add(l);
  }
  
  public void removeListener(MenuItemListener l) {
    listeners.remove(l);
  }
  
  public void addMultiListener(MenuItemListener l) {
	  m_listeners.add(l);
  }
  
  public void removeMultiListener(MenuItemListener l) {
	  m_listeners.remove(l);
  }
  
  public MenuItem getParent() {
	  return this.parent;
  }
  
  public MenuItem[] getItems() {
	  if (this.style != MenuItem.STYLE_MENU) {return null;}
	  return (TableContextMenuItem[])this.children.toArray(new TableContextMenuItem[this.children.size()]);
  }
  
  public MenuItem getItem(String key) {
	  if (this.style != MenuItem.STYLE_MENU) {return null;}
	  java.util.Iterator itr = this.children.iterator();
	  TableContextMenuItem result = null;
	  while (itr.hasNext()) {
		  result = (TableContextMenuItem)itr.next();
		  if (key.equals(result.getResourceKey())) {
			  return result;
		  }
	  }
	  return null;
  }
  
  private void addChildMenuItem(TableContextMenuItem child) {
	  if (this.style != MenuItem.STYLE_MENU) {throw new RuntimeException("cannot add to non-container MenuItem");}
	  this.children.add(child);
  }
  
  public String getText() {
	  if (this.display_text == null) {return MessageText.getString(this.getResourceKey());}
	  return this.display_text;
  }
  
  public void setText(String text) {
	  this.display_text = text;
  }
  
}