drawframe.java

用Java开发的、实现类似Visio功能的应用程序源码

/**
 *    $Id:DrawFrame.java $
 *
 *    Copyright 2004 ~ 2005  JingFei International Cooperation LTD. All rights reserved. *
 */
package com.jfimagine.jfdraw.gui;


import javax.swing.event.InternalFrameAdapter;
import javax.swing.event.InternalFrameEvent;

import javax.swing.JInternalFrame;
import javax.swing.JSplitPane;
import javax.swing.JPanel;
import javax.swing.JOptionPane;


import com.jfimagine.jfdraw.gui.DrawAdapter;
import com.jfimagine.jfdraw.gui.DrawWidget;
import com.jfimagine.jfdraw.gui.DrawPane;
import com.jfimagine.jfdraw.gui.resource.CADResource;
import com.jfimagine.jfdraw.gui.GlobalSettings;

import com.jfimagine.jfdraw.action.FileAction;
import com.jfimagine.jfgraph.shape.union.JFPage;
import com.jfimagine.jfgraph.transfer.JFFileFilter;

import com.jfimagine.utils.commonutil.CommonUtil;


 /**
 * Drawing Frame class. A main drawing frame inside CADMain. This is 
 * an internal frame so can be multi-generated.
 *
 * @author     CookieMaker    
 *
 * @version $Revision: 1.00 $
 */  
public class DrawFrame extends JInternalFrame { //implements MouseListener,MouseMotionListener{
    
    //An internal frame count for calculating how many frames have been spawned.
    static int m_openFrameCount = 0;
    
    //Initial position for this new internal frame.
    static final int m_xOffset = 30, m_yOffset = 30;

    /** A DrawAdapter Pane reference  to dispatch events */
    private DrawAdapter  m_pane; 
    
    /** A split pane to place glance view, control view and main drawing pane */
    private JSplitPane m_splitPane; 
    	
    /** A draw widget for glance view and control view*/
    private DrawWidget m_drawWidget; 

    /** A draw pane for the main drawing pane*/
    private DrawPane  m_drawPane;
    
    /** if the title of this frame is named*/
    private boolean  m_titleNamed	=false;

    /** current title of this frame*/
    private String  m_currentTitle	="";
    

    public DrawFrame(DrawAdapter pane,String title) {

        super("", 
             	true, //resizable
              	true, //closable
              	true, //maximizable
              	true);//iconifiable

    	if (title==null || title.equals("")){
    		title	=CADResource.getString("label.frame.untitled")+'-'+ (++m_openFrameCount);
    	}else{
    		m_titleNamed	=true;
    	}

    	m_currentTitle	=title;
    	super.setTitle(m_currentTitle);

	
	//set a reference for main CAD Pane.
	this.m_pane	=pane;

    	//draw pane for the main drawing pane
    	m_drawPane	=new DrawPane();
    	//m_drawPane.setParentDrawFrame(this);
	
	getContentPane().add(m_drawPane);

	/* 
    	// draw widget for glance view and control view
    	m_drawWidget	=new DrawWidget();
	
        //Create a split pane with sub view controls in it.
        m_splitPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT,m_drawWidget,m_drawPane);
        m_splitPane.setOneTouchExpandable(true);
        m_splitPane.setDividerLocation(150);
        getContentPane().add(m_splitPane);
        */
        	
        //...Create the GUI and put it in the window...

        //...Then set the window size or call pack...
        setSize(300,300);

        //Set the window's location.
        setLocation(m_xOffset*m_openFrameCount, m_yOffset*m_openFrameCount);
        
        addInternalFrameListener(new InternalFrameAdapter(){
		public void internalFrameActivated(InternalFrameEvent e){ 
			//set layerName.
   			m_pane.setLayerName(m_drawPane.getDrawCanvas().getDrawPage().getCurrentLayer().getName());
			//set isMetricRuler
			m_pane.setIsMetric(m_drawPane.getIsMetric());  
			
			DrawCanvas canvas	=m_pane.getDrawCanvas();
			if (canvas!=null)
				canvas.requestFocus();
        	}
        
        	public void internalFrameClosing(InternalFrameEvent e){
        		DrawCanvas drawCanvas 	=m_drawPane.getDrawCanvas();
            		JFPage page		=drawCanvas.getDrawPage();
            		if (page.isModified()){

                    		int n = JOptionPane.showConfirmDialog(
                                   null,
                                   CADResource.getString("drawframe.savemodified")+"\n\""+getCurrentTitle()+"\"",
                                   CADResource.getString("sys.warn"),
                                   JOptionPane.YES_NO_OPTION);
                                   
				if (n==JOptionPane.YES_OPTION){
					String fileName =drawCanvas.getFileName();
					
					if (fileName!=null && !fileName.equals("")){
						if (CommonUtil.isURLFile(fileName))
							fileName	="";
					}
					
					
					if (fileName==null || fileName.equals("")){
						fileName	=FileAction.getOutputFileName(m_pane,JFFileFilter.FILEEXT_DRAW,JFFileFilter.FILEDESC_DRAW);
					}


					if (fileName!=null && !fileName.equals("")){
						if (fileName.endsWith(JFFileFilter.FILEEXT_DRAW)){
							//binary JFDraw file
							page.saveToBinary(fileName);
						}else{
							//xml JFDraw file.
							page.saveToXML(fileName);
						}
					}
                    		}
                    			
            		}

                    	if (!isTitleNamed()){
                    		 m_openFrameCount--;
                    		 if (m_openFrameCount<0) m_openFrameCount=0;
                    	}	
            }
        }); 
        
        
	GlobalSettings settings	=GlobalSettings.getInstance(); 
        m_drawPane.setIsMetric(settings.isMetric());
        
    }

    /** Set the title of this frame.
     *  @param title A new title.
     */
    public void  setTitle(String title){
    	if (title==null) title="";
    	m_currentTitle	=title;
    	setDisplayTitle(title);
    	m_drawPane.getDrawCanvas().setFileName(title);
    	
    	if (!m_titleNamed){
    		m_titleNamed	=true;
    		m_openFrameCount--;
    		if (m_openFrameCount<0) m_openFrameCount=0;
    	}
    }

    /** Set the display title of this frame.
     *  @param title A new title.
     */
    public void  setDisplayTitle(String title){
    	super.setTitle(title);
    }

    /** if the title of this frame is named*/
    public boolean  isTitleNamed(){
    	return m_titleNamed;
    }

    /** current title of this frame*/
    public String  getCurrentTitle(){
    	//sometimes m_currentTitle is not equal to super.getTitle(),
    	//cause the super title will be appended other infomations.
    	return m_currentTitle;
    }
    
    
    /** get current draw pane for the main drawing pane
     *  @return the draw pane.
     */
    public DrawPane  getDrawPane(){
    		return m_drawPane;
    }

    
}