jfdrawappletsample.java

用Java开发的、实现类似Visio功能的应用程序源码

/**
 *    $Id:JFDrawAppletSample.java $
 *
 *    Copyright 2004 ~ 2005  JingFei International Cooperation LTD. All rights reserved. *
 */

import javax.swing.JApplet;
import javax.swing.JMenuBar;
import javax.swing.JSplitPane;
import javax.swing.JToolBar;
import javax.swing.JPanel;

import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.Graphics;

import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;


import com.jfimagine.jfdraw.gui.DrawPane;
import com.jfimagine.jfdraw.gui.DrawCanvas;    
import com.jfimagine.jfdraw.gui.dialog.LibDialog;
import com.jfimagine.jfdraw.gui.dialog.LibHelper;
import com.jfimagine.jfdraw.gui.dialog.LibContainer;

import com.jfimagine.jfgraph.shape.union.JFPage;
import com.jfimagine.jfdraw.gui.ToolFactory;

import com.jfimagine.jfgraph.transfer.ExportBase;
import com.jfimagine.jfgraph.transfer.ExportJPG;

import com.jfimagine.jfdraw.action.ActionConst;
import com.jfimagine.jfdraw.action.FileAction;


import com.jfimagine.utils.log.*; 


 /**
 * JFDrawAppletSample class is an applet class for runing JFDraw.
 *
 * @author     CookieMaker    
 *
 * @version $Revision: 1.6.0 $
 */  
 public class JFDrawAppletSample extends JApplet {

   	/**an internal log utility*/
   	private JFLogger m_logger=JFLogManager.getLogger(this.getClass());

        
        private DrawPane m_drawPane;
        
	public void init(){ 
		
		//an inner class for a subclass of DrawPane.
		class AppletDrawPane extends DrawPane{
			ToolFactory toolFactory;
		
			public AppletDrawPane(ToolFactory toolFactory){
				this.toolFactory  =toolFactory;
			}

			/** set current layer name of current drawing page.
    			*  @param layerName  Current layername
    			*/
   			public void setLayerName(String layerName){
   				toolFactory.setLayerName(layerName);
			}
		}
		
				 
		ToolFactory toolFactory =new ToolFactory();

		Container c; 
		c=getContentPane(); 
		c.setLayout(new BorderLayout()); 
                
            	//Action: create a draw panel
            	//Desc:   A DrawPane object packaged a vertical ruler, a horizontal ruler and a drawing canvas
            	m_drawPane	=new AppletDrawPane(toolFactory);

                //add two toolba1r to applet.
                JPanel toolPanel	=new JPanel();
                toolPanel.setLayout(new BorderLayout());
                toolPanel.add("North",createToolBar1(m_drawPane));
                toolPanel.add("Center",createToolBar2(m_drawPane));
		c.add("North",toolPanel);

            	//action: add menu to Applet
            	setJMenuBar(createMenuBar(m_drawPane));
               
                ///* demo 
                //make a library container
		LibHelper helper	=LibHelper.getInstance();
		helper.setLibraryType(LibHelper.LIBRARY_VISIBLETYPE_EXTERNAL);
		
		LibContainer container	=new LibContainer(m_drawPane);
		helper.setLibraryPanel(container.getLibraryPanel());
		helper.setTemplatePanel(container.getTemplatePanel());
		
		//add drawPane and library container into a SplitPane:
		JSplitPane splitPane	=new JSplitPane();
		splitPane.setLeftComponent(container);
		splitPane.setRightComponent(m_drawPane); 
		splitPane.setDividerLocation(140); 
		splitPane.setOneTouchExpandable(true);

		//add this split pane into applet's content pane.
		c.add("Center",splitPane);
		//*/
           	
	} 

	/** load a remote a local file,this method is called by JavaScript
	 *  
	 */
        public void loadFile(String url){
    		try{
    			DrawCanvas drawCanvas	=m_drawPane.getDrawCanvas();
    			drawCanvas.getDrawPage().loadFromBinary(url,drawCanvas);
    			repaint();
    		}catch(Exception e){
    			m_logger.error("loadFile: "+e);
    		}
        }


	public void paint(Graphics g){ 
                super.paint(g);
                m_drawPane.repaint();
	} 
      
        
   	/**
     	*   Create a main menu bar.
     	*/	
   	public static JMenuBar createMenuBar(ActionListener listener) {
        	JMenuBar mBar = new JMenuBar();
        
        	mBar.add(ToolFactory.createDocMenu(listener,true));
        	mBar.add(ToolFactory.createEditMenu(listener,false));
        	mBar.add(ToolFactory.createViewMenu(listener,true,true));
        	mBar.add(ToolFactory.createShapeMenu(listener));
        	mBar.add(ToolFactory.createDrawMenu(listener));
        	mBar.add(ToolFactory.createSetMenu(listener));
        	mBar.add(ToolFactory.createHelpMenu(listener));
        
        	return mBar;
   	}      
      

    	/**
     	*   Create a tool bar.
     	*/	
    	public JToolBar createToolBar1(ActionListener listener) {

        	//Create the toolbar.
        	JToolBar toolBar = new JToolBar();
        	toolBar.setFloatable(false);
                
                ToolFactory factory	=new ToolFactory();
                
		//add file buttons	
		factory.addFileButtons(toolBar,listener);
        	toolBar.addSeparator();

		//add alignment buttons	
		factory.addAlignmentButtons(toolBar,listener);
        	toolBar.addSeparator();

		//add layer buttons
		factory.addLayerButtons(toolBar,listener);
        	
        	        	
        	return toolBar;
	}


    	/**
     	*   Create a tool bar.
     	*/	
    	public JToolBar createToolBar2(ActionListener listener) {

        	//Create the toolbar.
        	JToolBar toolBar = new JToolBar();
        	toolBar.setFloatable(false);

                ToolFactory factory	=new ToolFactory();

		//add graph drawing buttons
		factory.addGraphDrawButtons(toolBar,listener);
        	toolBar.addSeparator();



		//add graph processing buttons
		factory.addGraphProcessButtons(toolBar,listener);

		return toolBar;
    	}
    
             	    	
    	
 }