layersetupdialog.java

用Java开发的、实现类似Visio功能的应用程序源码

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

import java.awt.BorderLayout;
import java.awt.Frame;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Container;

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

import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.BorderFactory;

import javax.swing.JPanel;
import javax.swing.JButton;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JOptionPane;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JComboBox;


import com.jfimagine.jfdraw.gui.resource.CADResource;
import com.jfimagine.utils.commonutil.CommonUtil;
import com.jfimagine.jfdraw.gui.GUIConst;   


import com.jfimagine.jfgraph.shape.union.JFPage;
import com.jfimagine.jfgraph.shape.union.JFLayer;


 /**
 * LayerSetupDialog class.  A class used to modify layers.
 *
 * @author     CookieMaker    
 *
 * @version $Revision: 1.00 $
 */  
public class LayerSetupDialog extends JDialog
                        implements ActionListener {

    private static final String CMD_CONFIRM	="Confirm";
    private static final String CMD_NEW		="New";
    private static final String CMD_UPDATE	="Update";
    private static final String CMD_REMOVE	="Remove";
    private static final String CMD_MOVEUP	="MoveUp";
    private static final String CMD_MOVEDOWN	="MoveDown";
    


    private static LayerSetupDialog m_dialog;  
    private static JFPage m_page;
    private static JCheckBoxList    m_list;
    private static boolean m_layerChanged=false;


    /**
     * Open a window, to input/modify layers properties.
     *
     * @param modalFrame  Determines which frame the dialog depends on; it should be
     * a component in the dialog's controlling frame. 
     *
     * @param page A page to modify.
     */
    public static boolean layerSetup(Frame modalFrame,JFPage page){
    	if (page==null)
    		return false;
    	else
    		return layerSetup(modalFrame,null,page);
    }    

    /**
     * Open a window, to input/modify layers properties.
     *
     * @param modalFrame  Determines which frame the dialog depends on; it should be
     * a component in the dialog's controlling frame. 
     *
     * @param refComp  This should be null if you want the dialog
     * to come up with its left corner in the center of the screen;
     * otherwise, it should be the component on top of which the
     * dialog should appear.
     *
     * @param page A page to modify.
     */
    public static boolean layerSetup(Frame modalFrame,Component refComp,JFPage page) {
    	if (page==null)
    		return false;
    	else
    		return showDialog(modalFrame,refComp,page);
    }    

    /**
     * Set up and show the dialog.  The first Component argument
     * determines which frame the dialog depends on; it should be
     * a component in the dialog's controlling frame. The second
     * Component argument should be null if you want the dialog
     * to come up with its left corner in the center of the screen;
     * otherwise, it should be the component on top of which the
     * dialog should appear.
     */
    private static boolean showDialog(Component frameComp,
                                    Component locationComp,
                                    JFPage page) {
        Frame frame = JOptionPane.getFrameForComponent(frameComp);

        m_dialog = new LayerSetupDialog(frame,
                                locationComp,
                                CADResource.getString("dialog.layerSetup"),
                                page);

        m_dialog.setVisible(true);
        return m_layerChanged;
    }


    private LayerSetupDialog(Frame frame,
                       Component locationComp,
                       String title,
                       JFPage page) {

        super(frame, title, true);
	setResizable(false);


        //Create and initialize the buttons.
        JButton cancelButton = new JButton(CADResource.getString("button.cancel"));
        cancelButton.setFont(GUIConst.FONT_BUTTON);
        cancelButton.addActionListener(this);
        //
        JButton confirmButton = new JButton(CADResource.getString("button.confirm"));
        confirmButton.setFont(GUIConst.FONT_BUTTON);
        confirmButton.setActionCommand(CMD_CONFIRM);
        confirmButton.addActionListener(this);
        getRootPane().setDefaultButton(confirmButton);

	JLabel layerLabel  =new JLabel(CADResource.getString("label.layerSetup.layers"));
	layerLabel.setFont(GUIConst.FONT_LABEL);
        layerLabel.setAlignmentX(Component.CENTER_ALIGNMENT);
	
	m_page		=page;
	m_list		=new JCheckBoxList();
	Dimension listSize =new Dimension(100,120);
	m_list.setFont(GUIConst.FONT_LABEL);
	m_list.setMinimumSize(listSize);
        m_list.setPreferredSize(listSize);
	m_list.setMaximumSize(new Dimension(Short.MAX_VALUE,
                                     Short.MAX_VALUE));
	m_list.setCheckItemList(m_page.getLayerItemList());
	
	
	
	Dimension buttonSize	=new Dimension(120,25);
        JButton newButton = new JButton(CADResource.getString("label.layerSetup.new"));
        newButton.setFont(GUIConst.FONT_BUTTON);
	newButton.setMinimumSize(buttonSize);
        newButton.setPreferredSize(buttonSize);
	newButton.setMaximumSize(new Dimension(Short.MAX_VALUE,
                                     Short.MAX_VALUE));
        newButton.setAlignmentX(Component.LEFT_ALIGNMENT);  
        newButton.setActionCommand(CMD_NEW);
        newButton.addActionListener(this);
        
        JButton updateButton = new JButton(CADResource.getString("label.layerSetup.update"));
        updateButton.setFont(GUIConst.FONT_BUTTON);
	updateButton.setMinimumSize(buttonSize);
        updateButton.setPreferredSize(buttonSize);
	updateButton.setMaximumSize(new Dimension(Short.MAX_VALUE,
                                     Short.MAX_VALUE));
        updateButton.setAlignmentX(Component.LEFT_ALIGNMENT);
        updateButton.setActionCommand(CMD_UPDATE);
        updateButton.addActionListener(this);
        
        JButton removeButton = new JButton(CADResource.getString("label.layerSetup.remove"));
        removeButton.setFont(GUIConst.FONT_BUTTON);
	removeButton.setMinimumSize(buttonSize);
        removeButton.setPreferredSize(buttonSize);
	removeButton.setMaximumSize(new Dimension(Short.MAX_VALUE,
                                     Short.MAX_VALUE));
        removeButton.setAlignmentX(Component.LEFT_ALIGNMENT);
        removeButton.setActionCommand(CMD_REMOVE);
        removeButton.addActionListener(this);


        JButton moveUpButton = new JButton(CADResource.getString("label.layerSetup.moveUp"));
        moveUpButton.setFont(GUIConst.FONT_BUTTON);
	moveUpButton.setMinimumSize(buttonSize);
        moveUpButton.setPreferredSize(buttonSize);
	moveUpButton.setMaximumSize(new Dimension(Short.MAX_VALUE,
                                     Short.MAX_VALUE));
        moveUpButton.setAlignmentX(Component.LEFT_ALIGNMENT);
        moveUpButton.setActionCommand(CMD_MOVEUP);
        moveUpButton.addActionListener(this);
        
        JButton moveDownButton = new JButton(CADResource.getString("label.layerSetup.moveDown"));
        moveDownButton.setFont(GUIConst.FONT_BUTTON);
	moveDownButton.setMinimumSize(buttonSize);
        moveDownButton.setPreferredSize(buttonSize);
	moveDownButton.setMaximumSize(new Dimension(Short.MAX_VALUE,
                                     Short.MAX_VALUE));
        moveDownButton.setAlignmentX(Component.LEFT_ALIGNMENT);
        moveDownButton.setActionCommand(CMD_MOVEDOWN);
        moveDownButton.addActionListener(this);


	//a panel to place check box list.
        JPanel listPanel = new JPanel();
        listPanel.setLayout(new BoxLayout(listPanel, BoxLayout.Y_AXIS));
        listPanel.add(m_list);
        listPanel.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));

	
	//a panel to place control buttons.
        JPanel controlPanel = new JPanel();
        controlPanel.setLayout(new BoxLayout(controlPanel, BoxLayout.Y_AXIS));
        controlPanel.add(newButton);
        controlPanel.add(Box.createRigidArea(new Dimension(0,10)));
        controlPanel.add(updateButton);
        controlPanel.add(Box.createRigidArea(new Dimension(0,10)));
        controlPanel.add(removeButton);
        controlPanel.add(Box.createRigidArea(new Dimension(0,10)));
        controlPanel.add(moveUpButton);
        controlPanel.add(Box.createRigidArea(new Dimension(0,10)));
        controlPanel.add(moveDownButton);
        controlPanel.add(Box.createRigidArea(new Dimension(0,10)));
        controlPanel.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));


	//middle panel contains both list and control panel.
        JPanel middlePanel = new JPanel();
        middlePanel.setLayout(new BoxLayout(middlePanel, BoxLayout.X_AXIS));
        middlePanel.add(listPanel);
        middlePanel.add(Box.createRigidArea(new Dimension(10,0)));
        middlePanel.add(controlPanel);
        middlePanel.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
        middlePanel.setAlignmentX(Component.CENTER_ALIGNMENT);

        //Lay out the buttons from left to right.
        JPanel buttonPanel = new JPanel();
        buttonPanel.setLayout(new BoxLayout(buttonPanel, BoxLayout.X_AXIS));
        buttonPanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
        buttonPanel.add(Box.createRigidArea(new Dimension(30, 0)));
        buttonPanel.add(confirmButton);
        buttonPanel.add(Box.createRigidArea(new Dimension(10, 0)));
        buttonPanel.add(cancelButton);
        buttonPanel.setAlignmentX(Component.CENTER_ALIGNMENT);

        
        //main panel
        JPanel  mainPanel	=new JPanel();
        mainPanel.setLayout(new BoxLayout(mainPanel, BoxLayout.Y_AXIS));
        mainPanel.add(layerLabel);
        mainPanel.add(Box.createRigidArea(new Dimension(0,1)));
        mainPanel.add(middlePanel);
        mainPanel.add(Box.createRigidArea(new Dimension(0,10)));
        mainPanel.add(buttonPanel);
        mainPanel.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
        

        //Put everything together, using the content pane's BorderLayout.
        Container contentPane = getContentPane();
        contentPane.add(mainPanel, BorderLayout.CENTER);

        pack();
        setLocationRelativeTo(locationComp);
    }
    
    //Handle clicks on the Set and Cancel buttons.
    public void actionPerformed(ActionEvent e) {
    	String cmd	=e.getActionCommand();
        if (CMD_CONFIRM.equals(cmd)) {
        	
        	//read items state from gui.
        	m_list.readItems();
        	
        	if (m_list.getItemCount()==0){
        		JOptionPane.showMessageDialog(null, CADResource.getString("dialog.layerSetup.noItems"), CADResource.getString("sys.warn"), JOptionPane.ERROR_MESSAGE); 

		}else if (m_list.getFirstCheckedIndex()<0){  
        		JOptionPane.showMessageDialog(null, CADResource.getString("dialog.layerSetup.noCheckedItems"), CADResource.getString("sys.warn"), JOptionPane.ERROR_MESSAGE); 

        	}else{
        		//replace page's item list by checkBoxList's items.
			m_page.setLayerItemList(m_list.getCheckItemList(),m_list.getRemovedCheckItemList());

			m_layerChanged=true;		
         		m_dialog.setVisible(false);
         	}
        
        }else if (CMD_NEW.equals(cmd)){
        	
        	m_list.addNewItem(com.jfimagine.jfdraw.gui.resource.CADResource.getString("label.layer.title"));
        	
        }else if (CMD_UPDATE.equals(cmd)){
        	
        	m_list.modifySelected();
        	
        }else if (CMD_REMOVE.equals(cmd)){
        	if (m_list.getSelectedIndex()>=0){
                       	int n = JOptionPane.showConfirmDialog(
                                   LayerSetupDialog.this,
                                   CADResource.getString("dialog.layerSetup.removeAlert"),
                                   CADResource.getString("sys.warn"),
                                   JOptionPane.YES_NO_OPTION);
        	 	
        	 	if (n == JOptionPane.YES_OPTION) {
        			m_list.removeSelected();
        		}
        	}
        	
        }else if (CMD_MOVEUP.equals(cmd)){
        	
        	m_list.moveUp();
        	
        }else if (CMD_MOVEDOWN.equals(cmd)){
        	
        	m_list.moveDown();

        }else{

		m_layerChanged=false;
        	m_dialog.setVisible(false);
        
        }

    }
    
}