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JPAINT/jpaint/MainMenu.java~ 6.27 KB
933d00ad   rlentieu   add JPaint
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  import javax.swing.JMenuBar;

  import javax.swing.JMenu;

  import javax.swing.JMenuItem;

  import java.awt.event.ActionListener;

  import java.awt.event.KeyEvent;

  import java.awt.event.ActionEvent;

  import javax.swing.KeyStroke;

  import java.util.Map;

  import java.util.HashMap;

  

  /** 

   * The MainMenu class will serve as the menu bar for JPaint.

   * It will contain all basic functions, i.e. new file, etc. There are keyboard

   * shorts cuts to speed up the process.

   **/

  public class MainMenu extends JMenuBar

  {

  	private Map JMenuItemsMap;

  	private JMenu menuFile, menuEdit, menuView, menuHelp;

  	private JMenuItem fileNew, fileOpen, fileClose, fileSave, fileSaveAs, 

  	filePrint, fileExit, editCut, editCopy, editPaste, editDelete, viewToolBox, 

  	viewColorBox, imageClear, imageRotate, helpAbout;

  	

  	/**

  	 * Creates a default constructor for the MainMenu. Instantiates the menus

  	 * and the menu items and the keys. Creates a maps to make accessors easier.

  	 **/

  	public MainMenu()

  	{

  		// instantiations for menus, menuitems and hotkeys

  		initJMenus();

  		initJMenuItems();

  		initHotKeys();

  		

  		// creates a hashmap and then adds the items to the hashmap

  		JMenuItemsMap = new HashMap(19);

  		addJMenuItemsToMap();

  		

  		// adds everything onto the screen

  		addAll();

  	}

  	

  	/** Adds the menubar onto the screen. **/

  	public void addAll()

  	{

  		add(menuFile);

  		menuFile.add(fileNew);

  		menuFile.add(fileOpen);

  		menuFile.add(fileClose);

  		menuFile.addSeparator();

  		menuFile.add(fileSave);

  		menuFile.add(fileSaveAs);

  		menuFile.addSeparator();

  		menuFile.add(filePrint);

  		menuFile.addSeparator();

  		menuFile.add(fileExit);

  		

  		add(menuEdit);

  		

  		menuEdit.add(editCut);

  		menuEdit.add(editCopy);

  		menuEdit.add(editPaste);

  		menuEdit.addSeparator();

  		menuEdit.add(editDelete);

  		menuEdit.addSeparator();

  		menuEdit.add(imageRotate);

  		menuEdit.addSeparator();

  		menuEdit.add(imageClear);

  		

  		add(menuView);

  		

  		menuView.add(viewToolBox);

  		menuView.add(viewColorBox);

  		

  		add(menuHelp);

  		

  		menuHelp.add(helpAbout);

  	}

  	

  	/** Adds actionlisteners to each of the menu items. **/

  	public void addActionListener(ActionListener listener)

  	{

  		fileNew.addActionListener(listener);

  		fileOpen.addActionListener(listener);

  		fileClose.addActionListener(listener);

  		fileSave.addActionListener(listener);

  		fileSaveAs.addActionListener(listener);

  		filePrint.addActionListener(listener);

  		fileExit.addActionListener(listener);

  		

  		editCut.addActionListener(listener);

  		editCopy.addActionListener(listener);

  		editPaste.addActionListener(listener);

  		editDelete.addActionListener(listener);

  		

  		viewToolBox.addActionListener(listener);

  		viewColorBox.addActionListener(listener);

  		

  		imageRotate.addActionListener(listener);

  		imageClear.addActionListener(listener);

  		

  		helpAbout.addActionListener(listener);

  	}

  	

  	/** This method instantiates all the menus. **/

  	public void initJMenus()

  	{

  		menuFile = new JMenu("File");

  		menuEdit = new JMenu("Edit");

  		menuView = new JMenu("View");

  		menuHelp = new JMenu("About");

  	}

  	

  	/** This method instantiates all the jmenu items. **/

  	public void initJMenuItems()

  	{

  		fileNew = new JMenuItem("New");

  		fileOpen = new JMenuItem("Open");

  		fileClose = new JMenuItem("Close");

  		fileSave = new JMenuItem("Save");

  		fileSaveAs = new JMenuItem("Save As");

  		filePrint = new JMenuItem("Print");

  		fileExit = new JMenuItem("Exit");

  		

  		editCut = new JMenuItem("Cut");

  	 	editCopy = new JMenuItem("Copy");

  	 	editPaste = new JMenuItem("Paste");

  	 	editDelete = new JMenuItem("Delete");

  	

  	 	viewToolBox = new JMenuItem("ToolBox");

  	 	viewColorBox = new JMenuItem("ColorBox");

  	

  	 	imageClear = new JMenuItem("Clear Image");

  	 	imageRotate = new JMenuItem("Rotate");

  	

  	 	helpAbout = new JMenuItem("About JPaint");	

  	}

  	

  	/** This method sets all the hot keys for the menu items. **/

  	public void initHotKeys()

  	{

  		fileNew.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_N, ActionEvent.CTRL_MASK));

  		fileOpen.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O, ActionEvent.CTRL_MASK));

  		fileSave.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S, ActionEvent.CTRL_MASK));		

  		fileSaveAs.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_F12, ActionEvent.CTRL_MASK));

  		filePrint.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_P, ActionEvent.CTRL_MASK));

  		fileClose.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_E, ActionEvent.ALT_MASK));

  		fileExit.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_Q, ActionEvent.CTRL_MASK));

  		viewToolBox.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_T, ActionEvent.CTRL_MASK));

  		viewColorBox.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_L, ActionEvent.CTRL_MASK));

  		editCopy.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_C, ActionEvent.CTRL_MASK));

  		editCut.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_X, ActionEvent.CTRL_MASK));

  		editPaste.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_V, ActionEvent.CTRL_MASK));

  		editDelete.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_D, ActionEvent.CTRL_MASK));

  		imageRotate.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_R, ActionEvent.CTRL_MASK));

  		imageClear.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_C, ActionEvent.ALT_MASK));

  		helpAbout.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_H, ActionEvent.ALT_MASK));

  	}

  	

  	/** This method adds the menu items to the map. **/

  	public void addJMenuItemsToMap()

  	{

  		JMenuItemsMap.put("fileNew", fileNew);

  		JMenuItemsMap.put("fileOpen", fileOpen);

  		JMenuItemsMap.put("fileClose", fileClose);

  		JMenuItemsMap.put("fileSave", fileSave);

  		JMenuItemsMap.put("fileSaveAs", fileSaveAs);

  		JMenuItemsMap.put("filePrint", filePrint);

  		JMenuItemsMap.put("fileExit", fileExit);

  		JMenuItemsMap.put("editCut", editCut);

  		JMenuItemsMap.put("editCopy", editCopy);

  		JMenuItemsMap.put("editPaste", editPaste);

  		JMenuItemsMap.put("editDelete", editDelete);

  		JMenuItemsMap.put("viewToolBox", viewToolBox);

  		JMenuItemsMap.put("viewColorBox", viewColorBox);

  		JMenuItemsMap.put("imageRotate", imageRotate);

  		JMenuItemsMap.put("imageClear", imageClear);

  		JMenuItemsMap.put("helpAbout", helpAbout);

  	}

  	

  	/** Returns the JMenuItem. **/

  	public JMenuItem getJMenuItem(String str)

  	{

  		return (JMenuItem)JMenuItemsMap.get(str);

  	}

  }