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Simulation.class
PaintGUI.java 7.43 KiB
package client;
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
public class PaintGUI {
String[] shapes = {"Freehand", "Line", "Circle", "Rectangle", "Oval", "Eraser"};
String[] colors = {"Aqua", "Black", "Blue", "Fuchsia", "Gray", "Green", "Lime", "Maroon", "Navy", "Olive", "Purple", "Red", "Silver", "Teal", "White", "Yellow"};
JFrame frame;
JButton clearBtn, newBtn, openBtn, saveBtn, saveAsBtn, closeBtn;
JComboBox colorOptions;
JComboBox shapeOptions;
DrawingArea drawingArea;
JFileChooser fileChooser= new JFileChooser();
JPanel toolbox = new JPanel();
JPanel fileControl = new JPanel();
ActionListener actionListener = new ActionListener() {
public void actionPerformed(ActionEvent e) {
/// Clear button ///
if (e.getSource() == clearBtn) {
drawingArea.clear();
/// Create new canvas ///
} else if (e.getSource() == newBtn) {
int returnVal = JOptionPane.showConfirmDialog(new JFrame(), "Save your current whiteboard?", "Save or Discard", JOptionPane.YES_NO_CANCEL_OPTION);
if (returnVal == JOptionPane.YES_OPTION) {
drawingArea.saveFile();
drawingArea.clear();
} else if (returnVal == JOptionPane.NO_OPTION) {
drawingArea.clear();
}
// Open file (PNG only) ///
} else if (e.getSource() == openBtn) {
int returnVal = fileChooser.showOpenDialog(frame);
if (returnVal == JFileChooser.APPROVE_OPTION) {
File file = fileChooser.getSelectedFile();
drawingArea.openFile(file);
}
/// Save under project directory without filename (PNG file with default filename) ///
} else if (e.getSource() == saveBtn) {
drawingArea.saveFile();
/// Save with other filename (PNG only) ///
} else if (e.getSource() == saveAsBtn) {
fileChooser = new JFileChooser();
int returnVal = fileChooser.showSaveDialog(frame);
if (returnVal == JFileChooser.APPROVE_OPTION) {
File file = fileChooser.getSelectedFile();
drawingArea.saveAsFile(file);
}
/// Close application ///
} else if (e.getSource() == closeBtn) {
System.exit(0);
/// Choose drawing color ///
} else if (e.getSource() == colorOptions) {
String colorChosen = (String) colorOptions.getSelectedItem();
switch (colorChosen){
case "Aqua":
drawingArea.setColorAqua();
break;
case "Black":
drawingArea.setColorBlack();
break;
case "Blue":
drawingArea.setColorBlue();
break;
case "Fuchsia":
drawingArea.setColorFuchsia();
break;
case "Gray":
drawingArea.setColorGray();
break;
case "Green":
drawingArea.setColorGreen();
break;
case "Lime":
drawingArea.setColorLime();
break;
case "Maroon":
drawingArea.setColorMaroon();
break;
case "Navy":
drawingArea.setColorNavy();
break;
case "Olive":
drawingArea.setColorOlive();
break;
case "Purple":
drawingArea.setColorPurple();
break;
case "Red":
drawingArea.setColorRed();
break;
case "Silver":
drawingArea.setColorSilver();
break;
case "Teal":
drawingArea.setColorTeal();
break;
case "White":
drawingArea.setColorWhite();
break;
case "Yellow":
drawingArea.setColorYellow();
break;
}
/// Choose drawing tool ///
} else if (e.getSource() == shapeOptions) {
String shapeChosen = (String) shapeOptions.getSelectedItem();
switch (shapeChosen){
case "Freehand":
drawingArea.setModeFreehand();
break;
case "Line":
drawingArea.setModeLine();
break;
case "Circle":
drawingArea.setModeCircle(); break;
case "Rectangle":
drawingArea.setModeRectangle();
break;
case "Oval":
drawingArea.setModeOval();
break;
case "Eraser":
drawingArea.setModeErase();
break;
}
}
}
};
/// Main program ///
public static void main(String[] args) {
new PaintGUI().createAndShowGUI();
}
/// GUI setup ///
private void createAndShowGUI() {
/// Main drawing area ///
drawingArea = new DrawingArea();
/// Set up main frame and container ///
frame = new JFrame("Shared Whiteboard System");
JFrame.setDefaultLookAndFeelDecorated(true);
Container content = frame.getContentPane();
content.setLayout(new BorderLayout());
/// Set up elements ///
shapeOptions = new JComboBox(shapes);
shapeOptions.addActionListener(actionListener);
colorOptions = new JComboBox(colors);
colorOptions.setSelectedItem("Black");
colorOptions.addActionListener(actionListener);
clearBtn = new JButton("Clear");
clearBtn.addActionListener(actionListener);
newBtn = new JButton("New");
newBtn.addActionListener(actionListener);
openBtn = new JButton("Open");
openBtn.addActionListener(actionListener);
saveBtn = new JButton("Save");
saveBtn.addActionListener(actionListener);
saveAsBtn = new JButton("Save As");
saveAsBtn.addActionListener(actionListener);
closeBtn = new JButton("Close");
closeBtn.addActionListener(actionListener);
/// Toolbox panel ///
toolbox.add(colorOptions);
toolbox.add(shapeOptions);
toolbox.add(clearBtn);
/// File control panel ///
fileControl.add(newBtn);
fileControl.add(openBtn);
fileControl.add(saveBtn);
fileControl.add(saveAsBtn);
fileControl.add(closeBtn);
/// Layout ///
content.add(fileControl, BorderLayout.NORTH);
content.add(drawingArea);
content.add(toolbox, BorderLayout.SOUTH);
/// Miscellaneous /// frame.setSize(800, 600);
frame.setLocationRelativeTo( null );
frame.setResizable(false);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
}
}