Tiny File Manager

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// Frame for the Sketcher application
import javax.swing.*;
import javax.swing.border.*;

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

import static java.awt.event.InputEvent.*;
import static java.awt.AWTEvent.*;
import static java.awt.Color.*;
import static javax.swing.Action.*;

@SuppressWarnings("serial")
public class SketcherFrame extends JFrame {
  // Constructor
  public SketcherFrame(String title, Sketcher theApp) {
    setTitle(title);                                                   // Set the window title
    this.theApp = theApp;                                              // Save app. object reference
    setJMenuBar(menuBar);                                              // Add the menu bar to the window
    setDefaultCloseOperation(EXIT_ON_CLOSE);                           // Default is exit the application

createFileMenu();                                                  // Create the File menu
    createElementMenu();                                               // Create the element menu
    createColorMenu();                                                 // Create the element menu
    createToolbar();
    toolBar.setRollover(true);
    getContentPane().add(toolBar, BorderLayout.NORTH);
  }

// Create File menu item actions
  private void createFileMenuActions() {
    newAction = new FileAction("New", 'N', CTRL_DOWN_MASK);
    openAction = new FileAction("Open", 'O', CTRL_DOWN_MASK);
    closeAction = new FileAction("Close");
    saveAction = new FileAction("Save", 'S', CTRL_DOWN_MASK);
    saveAsAction = new FileAction("Save As...");
    printAction = new FileAction("Print", 'P', CTRL_DOWN_MASK);
    exitAction = new FileAction("Exit", 'X', CTRL_DOWN_MASK);

// Initialize the array
    FileAction[] actions = {openAction, closeAction, saveAction, saveAsAction, printAction, exitAction};
    fileActions = actions;
    
    
    String imagePath = "D:/Sketcher/Images/";
    Icon NEW24 = new ImageIcon(imagePath + "New24.gif");
    Icon OPEN24 = new ImageIcon(imagePath + "Open24.gif");
    Icon SAVE24 = new ImageIcon(imagePath + "Save24.gif");
    Icon SAVEAS24 = new ImageIcon(imagePath + "SaveAs24.gif");
    Icon PRINT24 = new ImageIcon(imagePath + "Print24.gif");

Icon LINE24 = new ImageIcon(imagePath + "Line24.gif");
    Icon RECTANGLE24 = new ImageIcon(imagePath + "Rectangle24.gif");
    Icon CIRCLE24 = new ImageIcon(imagePath + "Circle24.gif");
    Icon CURVE24 = new ImageIcon(imagePath + "Curve24.gif");

Icon RED24 = new ImageIcon(imagePath + "Red24.gif");
    Icon GREEN24 = new ImageIcon(imagePath + "Green24.gif");
    Icon BLUE24 = new ImageIcon(imagePath + "Blue24.gif");
    Icon YELLOW24 = new ImageIcon(imagePath + "Yellow24.gif");

Icon NEW16 = new ImageIcon(imagePath + "new16.gif");
    Icon OPEN16 = new ImageIcon(imagePath + "Open16.gif");
    Icon SAVE16 = new ImageIcon(imagePath + "Save16.gif");
    Icon SAVEAS16 = new ImageIcon(imagePath + "SaveAs16.gif");
    Icon PRINT16 = new ImageIcon(imagePath + "print16.gif");

Icon LINE16 = new ImageIcon(imagePath + "Line16.gif");
    Icon RECTANGLE16 = new ImageIcon(imagePath + "Rectangle16.gif");
    Icon CIRCLE16 = new ImageIcon(imagePath + "Circle16.gif");
    Icon CURVE16 = new ImageIcon(imagePath + "Curve16.gif");

Icon RED16 = new ImageIcon(imagePath + "Red16.gif");
    Icon GREEN16 = new ImageIcon(imagePath + "Green16.gif");
    Icon BLUE16 = new ImageIcon(imagePath + "Blue16.gif");
    Icon YELLOW16 = new ImageIcon(imagePath + "Yellow16.gif");
    
    int LINE      = 101;
    int RECTANGLE = 102;
    int CIRCLE    = 103;
    int CURVE     = 104;

int DEFAULT_ELEMENT_TYPE = LINE;
    Color DEFAULT_ELEMENT_COLOR = Color.BLUE;
    
    // Add toolbar icons
    newAction.putValue(LARGE_ICON_KEY, NEW24);
    openAction.putValue(LARGE_ICON_KEY, OPEN24);
    saveAction.putValue(LARGE_ICON_KEY, SAVE24);
    saveAsAction.putValue(LARGE_ICON_KEY, SAVEAS24);
    printAction.putValue(LARGE_ICON_KEY, PRINT24);

// Add menu item icons
    newAction.putValue(SMALL_ICON, NEW16);
    openAction.putValue(SMALL_ICON, OPEN16);
    saveAction.putValue(SMALL_ICON, SAVE16);
    saveAsAction.putValue(SMALL_ICON,SAVEAS16);
    printAction.putValue(SMALL_ICON, PRINT16);

// Add tooltip text
    newAction.putValue(SHORT_DESCRIPTION, "Create a new sketch");
    openAction.putValue(SHORT_DESCRIPTION, "Read a sketch from a file");
    closeAction.putValue(SHORT_DESCRIPTION, "Close the current sketch");
    saveAction.putValue(SHORT_DESCRIPTION, "Save the current sketch to file");
    saveAsAction.putValue(SHORT_DESCRIPTION, "Save the current sketch to a new file");
    printAction.putValue(SHORT_DESCRIPTION, "Print the current sketch");
    exitAction.putValue(SHORT_DESCRIPTION, "Exit Sketcher");
  }

// Create the File menu
  private void createFileMenu() {
    JMenu fileMenu = new JMenu("File");                                // Create File menu
    fileMenu.setMnemonic('F');                                         // Create shortcut
    createFileMenuActions();                                           // Create Actions for File menu item

// Construct the file drop-down menu
    fileMenu.add(newAction);                                           // New Sketch menu item
    fileMenu.add(openAction);                                          // Open sketch menu item
    fileMenu.add(closeAction);                                         // Close sketch menu item
    fileMenu.addSeparator();                                           // Add separator
    fileMenu.add(saveAction);                                          // Save sketch to file
    fileMenu.add(saveAsAction);                                        // Save As menu item
    fileMenu.addSeparator();                                           // Add separator
    fileMenu.add(printAction);                                         // Print sketch menu item
    fileMenu.addSeparator();                                           // Add separator
    fileMenu.add(exitAction);                                          // Print sketch menu item
    menuBar.add(fileMenu);                                             // Add the file menu
  }

// Create Element  menu actions
  private void createElementTypeActions() {
	  
	  String imagePath = "D:/Sketcher/Images/";
	    Icon NEW24 = new ImageIcon(imagePath + "New24.gif");
	    Icon OPEN24 = new ImageIcon(imagePath + "Open24.gif");
	    Icon SAVE24 = new ImageIcon(imagePath + "Save24.gif");
	    Icon SAVEAS24 = new ImageIcon(imagePath + "SaveAs24.gif");
	    Icon PRINT24 = new ImageIcon(imagePath + "Print24.gif");

Icon LINE24 = new ImageIcon(imagePath + "Line24.gif");
	    Icon RECTANGLE24 = new ImageIcon(imagePath + "Rectangle24.gif");
	    Icon CIRCLE24 = new ImageIcon(imagePath + "Circle24.gif");
	    Icon CURVE24 = new ImageIcon(imagePath + "Curve24.gif");

Icon RED24 = new ImageIcon(imagePath + "Red24.gif");
	    Icon GREEN24 = new ImageIcon(imagePath + "Green24.gif");
	    Icon BLUE24 = new ImageIcon(imagePath + "Blue24.gif");
	    Icon YELLOW24 = new ImageIcon(imagePath + "Yellow24.gif");

Icon NEW16 = new ImageIcon(imagePath + "new16.gif");
	    Icon OPEN16 = new ImageIcon(imagePath + "Open16.gif");
	    Icon SAVE16 = new ImageIcon(imagePath + "Save16.gif");
	    Icon SAVEAS16 = new ImageIcon(imagePath + "SaveAs16.gif");
	    Icon PRINT16 = new ImageIcon(imagePath + "print16.gif");

Icon LINE16 = new ImageIcon(imagePath + "Line16.gif");
	    Icon RECTANGLE16 = new ImageIcon(imagePath + "Rectangle16.gif");
	    Icon CIRCLE16 = new ImageIcon(imagePath + "Circle16.gif");
	    Icon CURVE16 = new ImageIcon(imagePath + "Curve16.gif");

Icon RED16 = new ImageIcon(imagePath + "Red16.gif");
	    Icon GREEN16 = new ImageIcon(imagePath + "Green16.gif");
	    Icon BLUE16 = new ImageIcon(imagePath + "Blue16.gif");
	    Icon YELLOW16 = new ImageIcon(imagePath + "Yellow16.gif");
	  int LINE      = 101;
	    int RECTANGLE = 102;
	    int CIRCLE    = 103;
	    int CURVE     = 104;

int DEFAULT_ELEMENT_TYPE = LINE;
	    Color DEFAULT_ELEMENT_COLOR = Color.BLUE;
	      
	  
	  
    lineAction = new TypeAction("Line", LINE, 'L', CTRL_DOWN_MASK);
    rectangleAction = new TypeAction("Rectangle", RECTANGLE, 'R', CTRL_DOWN_MASK);
    circleAction =  new TypeAction("Circle", CIRCLE,'C', CTRL_DOWN_MASK);
    curveAction = new TypeAction("Curve", CURVE,'U', CTRL_DOWN_MASK);

// Initialize the array
    TypeAction[] actions = {lineAction, rectangleAction, circleAction, curveAction};
    typeActions = actions;

// Add toolbar icons
    
   
    
    lineAction.putValue(LARGE_ICON_KEY, LINE24);
    rectangleAction.putValue(LARGE_ICON_KEY, RECTANGLE24);
    circleAction.putValue(LARGE_ICON_KEY, CIRCLE24);
    curveAction.putValue(LARGE_ICON_KEY, CURVE24);

// Add menu item icons
    lineAction.putValue(SMALL_ICON, LINE16);
    rectangleAction.putValue(SMALL_ICON, RECTANGLE16);
    circleAction.putValue(SMALL_ICON, CIRCLE16);
    curveAction.putValue(SMALL_ICON, CURVE16);

// Add tooltip text
    lineAction.putValue(SHORT_DESCRIPTION, "Draw lines");
    rectangleAction.putValue(SHORT_DESCRIPTION, "Draw rectangles");
    circleAction.putValue(SHORT_DESCRIPTION, "Draw circles");
    curveAction.putValue(SHORT_DESCRIPTION, "Draw curves");
  }

// Create the Elements menu
  private void createElementMenu() {
    createElementTypeActions();
    elementMenu = new JMenu("Elements");                               // Create Elements menu
    elementMenu.setMnemonic('E');                                      // Create shortcut
    createRadioButtonDropDown(elementMenu, typeActions, lineAction);
    menuBar.add(elementMenu);                                          // Add the element menu
  }

// Create Color menu actions
  private void createElementColorActions() {
    redAction = new ColorAction("Red", RED, 'R', CTRL_DOWN_MASK|ALT_DOWN_MASK);
    yellowAction = new ColorAction("Yellow", YELLOW, 'Y', CTRL_DOWN_MASK|ALT_DOWN_MASK);
    greenAction = new ColorAction("Green", GREEN, 'G', CTRL_DOWN_MASK|ALT_DOWN_MASK);
    blueAction = new ColorAction("Blue", BLUE, 'B', CTRL_DOWN_MASK|ALT_DOWN_MASK);

// Initialize the array
    ColorAction[] actions = {redAction, greenAction, blueAction, yellowAction};
    colorActions = actions;
    
    String imagePath = "D:/Sketcher/Images/";
    Icon NEW24 = new ImageIcon(imagePath + "New24.gif");
    Icon OPEN24 = new ImageIcon(imagePath + "Open24.gif");
    Icon SAVE24 = new ImageIcon(imagePath + "Save24.gif");
    Icon SAVEAS24 = new ImageIcon(imagePath + "SaveAs24.gif");
    Icon PRINT24 = new ImageIcon(imagePath + "Print24.gif");

Icon RED16 = new ImageIcon(imagePath + "Red16.gif");
    Icon GREEN16 = new ImageIcon(imagePath + "Green16.gif");
    Icon BLUE16 = new ImageIcon(imagePath + "Blue16.gif");
    Icon YELLOW16 = new ImageIcon(imagePath + "Yellow16.gif");
  int LINE      = 101;
    int RECTANGLE = 102;
    int CIRCLE    = 103;
    int CURVE     = 104;

int DEFAULT_ELEMENT_TYPE = LINE;
    Color DEFAULT_ELEMENT_COLOR = Color.BLUE;

// Add toolbar icons
    redAction.putValue(LARGE_ICON_KEY, RED24);
    greenAction.putValue(LARGE_ICON_KEY, GREEN24);
    blueAction.putValue(LARGE_ICON_KEY, BLUE24);
    yellowAction.putValue(LARGE_ICON_KEY, YELLOW24);

// Add menu item icons
    redAction.putValue(SMALL_ICON, RED16);
    blueAction.putValue(SMALL_ICON, BLUE16);
    greenAction.putValue(SMALL_ICON, GREEN16);
    yellowAction.putValue(SMALL_ICON, YELLOW16);

// Add tooltip text
    redAction.putValue(SHORT_DESCRIPTION, "Draw in red");
    blueAction.putValue(SHORT_DESCRIPTION, "Draw in blue");
    greenAction.putValue(SHORT_DESCRIPTION, "Draw in green");
    yellowAction.putValue(SHORT_DESCRIPTION, "Draw in yellow");
  }

// Create the Color menu
  private void createColorMenu() {
    createElementColorActions();
    colorMenu = new JMenu("Color");                                    // Create Elements menu
    colorMenu.setMnemonic('C');                                        // Create shortcut
    createRadioButtonDropDown(colorMenu, colorActions, blueAction);
    menuBar.add(colorMenu);                                            // Add the color menu
  }

// Menu creation helper
  private void createRadioButtonDropDown(JMenu menu, Action[] actions, Action selected) {
    ButtonGroup group = new ButtonGroup();
    JRadioButtonMenuItem item = null;
    for(Action action : actions) {
      group.add(menu.add(item = new JRadioButtonMenuItem(action)));
      if(action == selected) {
        item.setSelected(true);                                        // This is default selected
      }
    }
  }

// Create toolbar buttons on the toolbar
  private void createToolbar() {
    for(FileAction action: fileActions){
      if(action != exitAction && action != closeAction)
        addToolbarButton(action);                                      // Add the toolbar button
    }
    toolBar.addSeparator();

// Create Color menu buttons
    for(ColorAction action:colorActions){
        addToolbarButton(action);                                      // Add the toolbar button
    }

toolBar.addSeparator();

// Create Elements menu buttons
    for(TypeAction action:typeActions){
        addToolbarButton(action);                                      // Add the toolbar button
    }
 }

// Create and add a toolbar button
  private void addToolbarButton(Action action) {
    JButton button = new JButton(action);                              // Create from Action
    button.setBorder(BorderFactory.createCompoundBorder(               // Add button border
           new EmptyBorder(2,5,5,2),                                   // Outside border
           BorderFactory.createRaisedBevelBorder()));                  // Inside border
    button.setHideActionText(true);                                    // No label on the button
    toolBar.add(button);                                               // Add the toolbar button
  }

// Set radio button menu checks
  private void setChecks(JMenu menu, Object eventSource) {
    if(eventSource instanceof JButton){
      JButton button = (JButton)eventSource;
      Action action = button.getAction();
      for(int i = 0 ; i < menu.getItemCount() ; ++i) {
        JMenuItem item = menu.getItem(i);
        item.setSelected(item.getAction() == action);
      }
    }
  }

// Inner class defining Action objects for File menu items
  class FileAction extends AbstractAction {
    // Create action with a name
    FileAction(String name) {
      super(name);
    }

// Create action with a name and accelerator
    FileAction(String name, char ch, int modifiers) {
      super(name);
      putValue(ACCELERATOR_KEY, KeyStroke.getKeyStroke(ch, modifiers));

// Now find the character to underline
      int index = name.toUpperCase().indexOf(ch);
      if(index != -1) {
        putValue(DISPLAYED_MNEMONIC_INDEX_KEY, index);
      }
    }

// Event handler
    public void actionPerformed(ActionEvent e) {
      // You will add action code here eventually...
    }
  }

// Inner class defining Action objects for Element type menu items
  class TypeAction extends AbstractAction {
    // Create action with just a name property
    TypeAction(String name, int typeID) {
      super(name);
      this.typeID = typeID;
    }

// Create action with a name and an accelerator
    private TypeAction(String name,int typeID, char ch, int modifiers) {
      this(name, typeID);
      putValue(ACCELERATOR_KEY, KeyStroke.getKeyStroke(ch, modifiers));

// Now find the character to underline
      int index = name.toUpperCase().indexOf(ch);
      if(index != -1) {
        putValue(DISPLAYED_MNEMONIC_INDEX_KEY, index);
      }
    }

public void actionPerformed(ActionEvent e) {
      elementType = typeID;
      setChecks(elementMenu, e.getSource());
    }

private int typeID;
  }

// Handles color menu items
  class ColorAction  extends AbstractAction {
    // Create an action with a name and a color
    public ColorAction(String name, Color color) {
      super(name);
      this.color = color;
    }

// Create an action with a name, a color, and an accelerator
    public ColorAction(String name, Color color, char ch, int modifiers) {
      this(name, color);
      putValue(ACCELERATOR_KEY, KeyStroke.getKeyStroke(ch, modifiers));

// Now find the character to underline
      int index = name.toUpperCase().indexOf(ch);
      if(index != -1) {
        putValue(DISPLAYED_MNEMONIC_INDEX_KEY, index);
      }
    }

public void actionPerformed(ActionEvent e) {
      elementColor = color;
      setChecks(colorMenu, e.getSource());
    }

private Color color;
  }
  
  String imagePath = "D:/Sketcher/Images/";
  Icon NEW24 = new ImageIcon(imagePath + "New24.gif");
  Icon OPEN24 = new ImageIcon(imagePath + "Open24.gif");
  Icon SAVE24 = new ImageIcon(imagePath + "Save24.gif");
  Icon SAVEAS24 = new ImageIcon(imagePath + "SaveAs24.gif");
  Icon PRINT24 = new ImageIcon(imagePath + "Print24.gif");

Icon LINE24 = new ImageIcon(imagePath + "Line24.gif");
  Icon RECTANGLE24 = new ImageIcon(imagePath + "Rectangle24.gif");
  Icon CIRCLE24 = new ImageIcon(imagePath + "Circle24.gif");
  Icon CURVE24 = new ImageIcon(imagePath + "Curve24.gif");

Icon RED24 = new ImageIcon(imagePath + "Red24.gif");
  Icon GREEN24 = new ImageIcon(imagePath + "Green24.gif");
  Icon BLUE24 = new ImageIcon(imagePath + "Blue24.gif");
  Icon YELLOW24 = new ImageIcon(imagePath + "Yellow24.gif");

Icon NEW16 = new ImageIcon(imagePath + "new16.gif");
  Icon OPEN16 = new ImageIcon(imagePath + "Open16.gif");
  Icon SAVE16 = new ImageIcon(imagePath + "Save16.gif");
  Icon SAVEAS16 = new ImageIcon(imagePath + "SaveAs16.gif");
  Icon PRINT16 = new ImageIcon(imagePath + "print16.gif");

Icon LINE16 = new ImageIcon(imagePath + "Line16.gif");
  Icon RECTANGLE16 = new ImageIcon(imagePath + "Rectangle16.gif");
  Icon CIRCLE16 = new ImageIcon(imagePath + "Circle16.gif");
  Icon CURVE16 = new ImageIcon(imagePath + "Curve16.gif");

Icon RED16 = new ImageIcon(imagePath + "Red16.gif");
  Icon GREEN16 = new ImageIcon(imagePath + "Green16.gif");
  Icon BLUE16 = new ImageIcon(imagePath + "Blue16.gif");
  Icon YELLOW16 = new ImageIcon(imagePath + "Yellow16.gif");
int LINE      = 101;
  int RECTANGLE = 102;
  int CIRCLE    = 103;
  int CURVE     = 104;

int DEFAULT_ELEMENT_TYPE = LINE;
  Color DEFAULT_ELEMENT_COLOR = Color.BLUE;

// File actions
  private FileAction newAction, openAction, closeAction, saveAction, saveAsAction, printAction, exitAction;
  private FileAction[] fileActions;                                    // File actions as an array

// Element type actions
  private TypeAction lineAction, rectangleAction, circleAction, curveAction;
  private TypeAction[] typeActions;                                    // Type actions as an array

// Element color actions
  private ColorAction redAction, yellowAction,greenAction, blueAction;
  private ColorAction[] colorActions;                                  // Color actions as an array

private JMenuBar menuBar = new JMenuBar();                           // Window menu bar
  private JMenu elementMenu;                                           // Elements menu
  private JMenu colorMenu;                                             // Color menu

private Color elementColor = DEFAULT_ELEMENT_COLOR;                  // Current element color
  private int elementType = DEFAULT_ELEMENT_TYPE;                      // Current element type
  private JToolBar toolBar = new JToolBar();                           // Window toolbar
  private Sketcher theApp;                                             // The application object
}