appframe.java

JGraph扩展应用。自定义Renderer,自定义视图View实现自定义工作流控件

/*
 * AppFrame.java
 *
 * Created on April 29, 2005, 7:19 PM
 */

package flow.graph.gui.graph.item.unit;

import java.io.File;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.PrintWriter;
import java.awt.*;
import java.awt.image.*;
import javax.imageio.*;
import javax.swing.*;
import javax.swing.filechooser.*;
import java.util.ArrayList;

/**
 *
 * @author  hysun
 */
public class AppFrame extends javax.swing.JFrame {
    
    private FileFilter jdrawFilter = new FileFilter() {
        public boolean accept(java.io.File f) {
            if (f.isDirectory())
                return true;
            if (f.getName().endsWith(".jdw"))
                return true;
            return false;
        }
        public String getDescription() {
            return "jDraw Model File (*.jdw)";
        }
    };
    private FileFilter pngFilter = new FileFilter() {
        public boolean accept(java.io.File f) {
            if (f.isDirectory())
                return true;
            if (f.getName().endsWith(".png"))
                return true;
            return false;
        }
        public String getDescription() {
            return "PNG image file (*.png)";
        }
    };
    
    private JFileChooser filechooser1, filechooser2;
    
    public AppFrame() {
        initComponents();
    }
    
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    private void initComponents() {//GEN-BEGIN:initComponents
        java.awt.GridBagConstraints gridBagConstraints;

        toolsGroup = new javax.swing.ButtonGroup();
        ctrlPanel = new javax.swing.JPanel();
        mediumPanel1 = new javax.swing.JPanel();
        toolsPanel = new javax.swing.JPanel();
        mediumPanel2 = new javax.swing.JPanel();
        lineButton = new javax.swing.JToggleButton();
        rectButton = new javax.swing.JToggleButton();
        ovalButton = new javax.swing.JToggleButton();
        diamondButton = new javax.swing.JToggleButton();
        pencilButton = new javax.swing.JToggleButton();
        eraserButton = new javax.swing.JToggleButton();
        polygonButton = new javax.swing.JToggleButton();
        clearButton = new javax.swing.JButton();
        colorPanel = new javax.swing.JPanel();
        fgButton = new javax.swing.JButton();
        bgButton = new javax.swing.JButton();
        sizePanel = new javax.swing.JPanel();
        mediumPanel3 = new javax.swing.JPanel();
        weightCombo = new javax.swing.JComboBox();
        eraserCombo = new javax.swing.JComboBox();
        savePanel = new javax.swing.JPanel();
        mediumPanel4 = new javax.swing.JPanel();
        loadButton = new javax.swing.JButton();
        saveButton = new javax.swing.JButton();
        exportButton = new javax.swing.JButton();
        copyleft = new javax.swing.JLabel();
        board = new DrawingBoard();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setTitle("Java Drawing Board Application");
        ctrlPanel.setLayout(new java.awt.GridBagLayout());

        ctrlPanel.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        mediumPanel1.setLayout(new javax.swing.BoxLayout(mediumPanel1, javax.swing.BoxLayout.Y_AXIS));

        toolsPanel.setBorder(new javax.swing.border.TitledBorder("Drawing Tools"));
        mediumPanel2.setLayout(new java.awt.GridLayout(4, 2, 5, 5));

        toolsGroup.add(lineButton);
        lineButton.setFont(new java.awt.Font("Dialog", 0, 10));
        lineButton.setSelected(true);
        lineButton.setText("Line");
        lineButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                lineButtonActionPerformed(evt);
            }
        });

        mediumPanel2.add(lineButton);

        toolsGroup.add(rectButton);
        rectButton.setFont(new java.awt.Font("Dialog", 0, 10));
        rectButton.setText("Rect");
        rectButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                rectButtonActionPerformed(evt);
            }
        });

        mediumPanel2.add(rectButton);

        toolsGroup.add(ovalButton);
        ovalButton.setFont(new java.awt.Font("Dialog", 0, 10));
        ovalButton.setText("Oval");
        ovalButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                ovalButtonActionPerformed(evt);
            }
        });

        mediumPanel2.add(ovalButton);

        toolsGroup.add(diamondButton);
        diamondButton.setFont(new java.awt.Font("Dialog", 0, 10));
        diamondButton.setText("Diamond");
        diamondButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                diamondButtonActionPerformed(evt);
            }
        });

        mediumPanel2.add(diamondButton);

        toolsGroup.add(pencilButton);
        pencilButton.setFont(new java.awt.Font("Dialog", 0, 10));
        pencilButton.setText("Pencil");
        pencilButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                pencilButtonActionPerformed(evt);
            }
        });

        mediumPanel2.add(pencilButton);

        toolsGroup.add(eraserButton);
        eraserButton.setFont(new java.awt.Font("Dialog", 0, 10));
        eraserButton.setText("Eraser");
        eraserButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                eraserButtonActionPerformed(evt);
            }
        });

        mediumPanel2.add(eraserButton);

        toolsGroup.add(polygonButton);
        polygonButton.setFont(new java.awt.Font("Dialog", 0, 10));
        polygonButton.setText("Polygon");
        polygonButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                polygonButtonActionPerformed(evt);
            }
        });

        mediumPanel2.add(polygonButton);

        clearButton.setFont(new java.awt.Font("Dialog", 1, 10));
        clearButton.setText("Clear");
        clearButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                clearButtonActionPerformed(evt);
            }
        });

        mediumPanel2.add(clearButton);

        toolsPanel.add(mediumPanel2);

        mediumPanel1.add(toolsPanel);

        colorPanel.setLayout(new java.awt.FlowLayout(java.awt.FlowLayout.CENTER, 20, 10));

        colorPanel.setBorder(new javax.swing.border.TitledBorder("Color Settings"));
        fgButton.setBackground(board.getForeground());
        fgButton.setToolTipText("Change Drawing Color");
        fgButton.setBorder(new javax.swing.border.LineBorder(new java.awt.Color(0, 0, 0)));
        fgButton.setPreferredSize(new java.awt.Dimension(50, 50));
        fgButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                fgButtonActionPerformed(evt);
            }
        });

        colorPanel.add(fgButton);

        bgButton.setBackground(board.getBackground());
        bgButton.setToolTipText("Change Board Background Color");
        bgButton.setBorder(new javax.swing.border.LineBorder(new java.awt.Color(0, 0, 0)));
        bgButton.setPreferredSize(new java.awt.Dimension(50, 50));
        bgButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                bgButtonActionPerformed(evt);
            }
        });

        colorPanel.add(bgButton);

        mediumPanel1.add(colorPanel);

        sizePanel.setBorder(new javax.swing.border.TitledBorder("Size Setttings"));
        mediumPanel3.setLayout(new java.awt.BorderLayout(0, 3));

        weightCombo.setFont(new java.awt.Font("Dialog", 0, 10));
        weightCombo.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Stroke Weight 1.0px", "Stroke Weight 2.0px", "Stroke Weight 5.0px", "Stroke Weight 7.5px", "Stroke Weight 10.0px" }));
        weightCombo.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                weightComboActionPerformed(evt);
            }
        });

        mediumPanel3.add(weightCombo, java.awt.BorderLayout.NORTH);

        eraserCombo.setFont(new java.awt.Font("Dialog", 0, 10));
        eraserCombo.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Eraser Size 15px", "Eraser Size 20px", "Eraser Size 30px", "Eraser Size 50px", "Eraser Size 100px" }));
        eraserCombo.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                eraserComboActionPerformed(evt);
            }
        });

        mediumPanel3.add(eraserCombo, java.awt.BorderLayout.SOUTH);

        sizePanel.add(mediumPanel3);

        mediumPanel1.add(sizePanel);

        savePanel.setBorder(new javax.swing.border.TitledBorder("File Utilities"));