customdialog.java

打印管理程序,测试完全通过.windows开发环境.

/* 
    $Author: $
    $Date: $
    $Revision: $
    $NoKeywords: $
*/
package jp.co.ntl.awt;

import java.awt.*;
import java.awt.event.*;

public class CustomDialog extends Dialog {
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
    public static int UNINITIALIZED_VALUE   = 100;
    public static int WINDOW_CLOSE_OPTION   = 200;
    
    private static int MIN_FIRST_BUTTON_X  = 20;
    
    private static int BTN_PANEL_HEIGHT = 50;
    
    private static int BUTTON_WIDTH     = 80;
    private static int BUTTON_HEIGHT    = 25;
    private static int BUTTON_INTERVAL  = 10;
        
    private ValidatePanel vpanel = null;
    private SimpleButton[] buttons;
    
    private CustomDialog(Frame owner, String title, boolean modal, ValidatePanel vpanel) {
        super(owner, title, modal);
        this.vpanel = vpanel;
        this.buttons = vpanel.getButtons();
       
        int minPanelWidth = MIN_FIRST_BUTTON_X * 2+ BUTTON_WIDTH * buttons.length
                            + BUTTON_INTERVAL * (buttons.length - 1);
        Panel panel = new Panel();
        panel.setLayout(null);
        Dimension d = vpanel.getSize();
        int width = d.width < minPanelWidth ? minPanelWidth : d.width;
        int height = d.height;
                    
        vpanel.setBounds((width - d.width) / 2, 0, d.width, d.height);
        panel.add(vpanel);
    
        BtnContainer pnlButton = new BtnContainer();
        pnlButton.setLayout(null);        
        pnlButton.setBounds(0, height, width, BTN_PANEL_HEIGHT);
        panel.add(pnlButton);
                  
        ActionListener al = new MyActionListener();
        int bx = (width - BUTTON_WIDTH * buttons.length - BUTTON_INTERVAL * (buttons.length - 1)) / 2;
        int by = (BTN_PANEL_HEIGHT - BUTTON_HEIGHT) / 2;
        for (int i = 0; i < buttons.length; i++) {
            buttons[i].setBounds(bx, 
                                 by, 
                                 BUTTON_WIDTH, 
                                 BUTTON_HEIGHT);
            pnlButton.add(buttons[i]);
            buttons[i].addActionListener(al);
            bx += BUTTON_WIDTH + BUTTON_INTERVAL;
        }        
        
        panel.setSize(new Dimension(width, height + BTN_PANEL_HEIGHT));
        add(panel, BorderLayout.CENTER);
        pack();

        // 僟僀傾儘僌偺昞帵埵抲傪愝掕
        //Rectangle o = owner.getBounds();
        Dimension o = getToolkit().getScreenSize();
        Rectangle c = getBounds();
        setLocation(/*o.x + */(o.width - c.width) / 2, /*o.y + */(o.height - c.height) / 2);
        setResizable(false);

        addWindowListener(new MyWindowListener());
    }
    
    private int codeAtEnd = UNINITIALIZED_VALUE;
    public int getSelection() { 
        return codeAtEnd;
    }
    
    class MyActionListener implements ActionListener {
        public void actionPerformed(ActionEvent ae) {
            Object source = ae.getSource();
            for (int i = 0; i < buttons.length; i++) {
                if (source == buttons[i]) {
                    if (vpanel.isValid(i)) {
                        codeAtEnd = i;
                        dispose();
                    } else {
                        // 壗傕偟側偄
                    }
                    break;
                }
            }
        }
    }
    
    class MyWindowListener extends WindowAdapter {
        public void windowClosing(WindowEvent we) {
            codeAtEnd = WINDOW_CLOSE_OPTION;
            dispose();
        }
    }
    
    private static Frame getFrameForComponent(Component comp) {
        Component parent = comp;
        while (parent != null) {
            if (parent instanceof Frame) {
                break;
            }
            parent = parent.getParent();
        }
        return (Frame)parent;
    }
    
    public static int showCustomDialog(Component parent, String title, ValidatePanel vpanel) {
        CustomDialog dialog = new CustomDialog(getFrameForComponent(parent), title, true, vpanel);
        dialog.repaint();
        dialog.setVisible(true);
        
        return dialog.getSelection();
    }  
    
    class BtnContainer extends Container {
    	/**
    	 * 
    	 */
    	private static final long serialVersionUID = 1L;
    }
}