frame1.java

java程序

/*
	This simple extension of the java.awt.Frame class
	contains all the elements necessary to act as the
	main window of an application.
 */

import java.awt.*;
import java.io.*;

public class Frame1 extends Frame
{
    Image m_BitMap;
    
	public Frame1()
	{
		// This code is automatically generated by Visual Cafe when you add
		// components to the visual environment. It instantiates and initializes
		// the components. To modify the code, only use code syntax that matches
		// what Visual Cafe can generate, or Visual Cafe may be unable to back
		// parse your Java file into its visual environment.
		
		//{{INIT_CONTROLS
		setLayout(null);
		setSize(548,480);
		openFileDialog1 = new java.awt.FileDialog(this, "Open",FileDialog.LOAD);
		//$$ openFileDialog1.move(40,277);
		setTitle("A Basic Application");
		//}}
		
		//{{INIT_MENUS
		mainMenuBar = new java.awt.MenuBar();
		
		menu1 = new java.awt.Menu("File");
		miNew = new java.awt.MenuItem("New");
		miNew.setShortcut(new MenuShortcut(java.awt.event.KeyEvent.VK_N,false));
		menu1.add(miNew);
		miOpen = new java.awt.MenuItem("Open...");
		miOpen.setShortcut(new MenuShortcut(java.awt.event.KeyEvent.VK_O,false));
		menu1.add(miOpen);
		miSave = new java.awt.MenuItem("Save");
		miSave.setShortcut(new MenuShortcut(java.awt.event.KeyEvent.VK_S,false));
		menu1.add(miSave);
		miSaveAs = new java.awt.MenuItem("Save As...");
		menu1.add(miSaveAs);
		menu1.addSeparator();
		miExit = new java.awt.MenuItem("Exit");
		menu1.add(miExit);
		mainMenuBar.add(menu1);
		
		menu2 = new java.awt.Menu("Edit");
		miCut = new java.awt.MenuItem("Cut");
		miCut.setShortcut(new MenuShortcut(java.awt.event.KeyEvent.VK_X,false));
		menu2.add(miCut);
		miCopy = new java.awt.MenuItem("Copy");
		miCopy.setShortcut(new MenuShortcut(java.awt.event.KeyEvent.VK_C,false));
		menu2.add(miCopy);
		miPaste = new java.awt.MenuItem("Paste");
		miPaste.setShortcut(new MenuShortcut(java.awt.event.KeyEvent.VK_V,false));
		menu2.add(miPaste);
		mainMenuBar.add(menu2);
		
		menu3 = new java.awt.Menu("Help");
		mainMenuBar.setHelpMenu(menu3);
		miAbout = new java.awt.MenuItem("About..");
		menu3.add(miAbout);
		mainMenuBar.add(menu3);
		setMenuBar(mainMenuBar);
		//$$ mainMenuBar.move(4,277);
		//}}
		
		//{{REGISTER_LISTENERS
		SymWindow aSymWindow = new SymWindow();
		this.addWindowListener(aSymWindow);
		SymAction lSymAction = new SymAction();
		miOpen.addActionListener(lSymAction);
		miAbout.addActionListener(lSymAction);
		miExit.addActionListener(lSymAction);
		//}}
		
		m_BitMap = BMPLoader.load("Centrum.BMP");
		// A larger image
		// m_BitMap = BMPLoader.load("Snow.BMP");
	}
	
	public Frame1(String title)
	{
		this();
		setTitle(title);
	}
	
	public void paint(Graphics g)
	{
		super.paint(g);
		if(m_BitMap != null) {
		    g.drawImage(m_BitMap,0,0,getBackground(),this);
		}
	}
	
    /**
     * Shows or hides the component depending on the boolean flag b.
     * @param b  if true, show the component; otherwise, hide the component.
     * @see java.awt.Component#isVisible
     */
    public void setVisible(boolean b)
	{
		if(b)
		{
			setLocation(50, 50);
		}	
		super.setVisible(b);
	}
	
	static public void main(String args[])
	{
		(new Frame1()).setVisible(true);
	}
	
	public void addNotify()
	{
		// Record the size of the window prior to calling parents addNotify.
		Dimension d = getSize();
		
		super.addNotify();
	
		if (fComponentsAdjusted)
			return;
	
		// Adjust components according to the insets
		setSize(insets().left + insets().right + d.width, insets().top + insets().bottom + d.height);
		Component components[] = getComponents();
		for (int i = 0; i < components.length; i++)
		{
			Point p = components[i].getLocation();
			p.translate(insets().left, insets().top);
			components[i].setLocation(p);
		}
		fComponentsAdjusted = true;
	}
	
	// Used for addNotify check.
	boolean fComponentsAdjusted = false;
	
	//{{DECLARE_CONTROLS
	java.awt.FileDialog openFileDialog1;
	//}}
	
	//{{DECLARE_MENUS
	java.awt.MenuBar mainMenuBar;
	java.awt.Menu menu1;
	java.awt.MenuItem miNew;
	java.awt.MenuItem miOpen;
	java.awt.MenuItem miSave;
	java.awt.MenuItem miSaveAs;
	java.awt.MenuItem miExit;
	java.awt.Menu menu2;
	java.awt.MenuItem miCut;
	java.awt.MenuItem miCopy;
	java.awt.MenuItem miPaste;
	java.awt.Menu menu3;
	java.awt.MenuItem miAbout;
	//}}
	
	class SymWindow extends java.awt.event.WindowAdapter
	{
		public void windowClosing(java.awt.event.WindowEvent event)
		{
			Object object = event.getSource();
			if (object == Frame1.this)
				Frame1_WindowClosing(event);
		}
	}
	
	void Frame1_WindowClosing(java.awt.event.WindowEvent event)
	{
		setVisible(false);	// hide the Frame
		dispose();			// free the system resources
		System.exit(0);		// close the application
	}
	
	class SymAction implements java.awt.event.ActionListener
	{
		public void actionPerformed(java.awt.event.ActionEvent event)
		{
			Object object = event.getSource();
			if (object == miOpen)
				miOpen_Action(event);
			else if (object == miAbout)
				miAbout_Action(event);
			else if (object == miExit)
				miExit_Action(event);
		}
	}
	
	void miAbout_Action(java.awt.event.ActionEvent event)
	{
		//{{CONNECTION
		// Action from About Create and show as modal
		(new AboutDialog(this, true)).setVisible(true);
		//}}
	}
	
	void miExit_Action(java.awt.event.ActionEvent event)
	{
		//{{CONNECTION
		// Action from Exit Create and show as modal
		(new QuitDialog(this, true)).setVisible(true);
		//}}
	}
	
	class BMPFilter implements FilenameFilter {
	    BMPFilter() {}
	    public boolean accept(File dir, String name) {
	        return(name.toLowerCase().endsWith(".bmp"));
	    }

	}
	void miOpen_Action(java.awt.event.ActionEvent event)
	{
		//{{CONNECTION
		// Action from Open... Show the OpenFileDialog
		int		defMode			= openFileDialog1.getMode();
		String	defTitle		= openFileDialog1.getTitle();
		String defDirectory	= openFileDialog1.getDirectory();
		String defFile			= openFileDialog1.getFile();

		openFileDialog1 = new java.awt.FileDialog(this, defTitle, defMode);
		openFileDialog1.setDirectory(defDirectory);
		openFileDialog1.setFile(defFile);
		openFileDialog1.setMode(FileDialog.LOAD);
		openFileDialog1.setFilenameFilter(new BMPFilter());
		openFileDialog1.setVisible(true);
		//}}
		Image newMap  = BMPLoader.load(openFileDialog1.getDirectory(),openFileDialog1.getFile());
		if(newMap != null) {
		    m_BitMap = newMap;
		    repaint();
		}
	}
	
}