wbmpeditorframe.java

WAP ide 代码

  private void jMenuFileExit_mouseEntered(MouseEvent e) {
    statusBar.setText("Quit the program");
  }

  /** Mouse listener for mouseEntered event
  @param MouseEvent e
  */
  private void jMenuDrawingPen_mouseEntered(MouseEvent e) {
    statusBar.setText("Draw in black");
  }

  /** Mouse listener for mouseEntered event
  @param MouseEvent e
  */
  private void jMenuDrawingEraser_mouseEntered(MouseEvent e) {
    statusBar.setText("Draw using the background color");
  }

  /** Mouse listener for mouseEntered event
  @param MouseEvent e
  */
  private void jMenuHelpContents_mouseEntered(MouseEvent e) {
    statusBar.setText("View the help file");
  }

  /** Mouse listener for mouseEntered event
  @param MouseEvent e
  */
  private void jMenuHelpAbout_mouseEntered(MouseEvent e) {
    statusBar.setText("View the about box");
  }


  // Menu actions
  /** Menu listener for menu Action events.
  @param ActionEvent e
  */
  private void jMenuFileNew_actionPerformed(ActionEvent e) {

    if (Changed) {
      jMenuFileSave.doClick();
    }
    else {
      NewDialog dlg = new NewDialog();
      dlg.show();
      if (dlg.GetButtonPressed()) {
        // Set the title
        this.setTitle("WBMP Editor - Untitled");
        Untitled = true; //set the new document flag

        // clear the drawing and the previous controls
        Drawinglabel.removeAll();
        Drawinglabel.repaint();

        // get the values from the dialog
        int w = dlg.GetWidth();
        int h = dlg.GetHeight();

        // define the new matrix and initialize it to background color
        ColorMatrix = new int[w][h];
        for (int c = 0; c < w; c++)
          for (int r = 0; r < h; r++)
            ColorMatrix[c][r] = 1;

        Width = w;
        Height = h;

        // set the background color
        BackgroundColor = bkg;

        // create the new labels
        JLabel l;
        for (int x = 0; x < w; x++) {
          for (int y = 0; y < h; y++) {
            l = new JLabel();
            l.setBackground(bkg);
            l.setOpaque(true);
            l.setBorder(BorderFactory.createLineBorder(Color.lightGray,1));
            l.setSize(labelSize, labelSize);
            l.setLocation(x * labelSize, y * labelSize);
            l.addMouseListener(new java.awt.event.MouseAdapter() {
              public void mouseClicked(MouseEvent e) {
                DrawingBox_mouseClicked(e);
              }
              public void mousePressed(MouseEvent e) {
                DrawingBox_mousePressed(e);
              }
              public void mouseReleased(MouseEvent e) {
                DrawingBox_mouseReleased(e);
              }
              public void mouseEntered(MouseEvent e) {
                DrawingBox_mouseEntered(e);
              }
            });
            Drawinglabel.add(l);
            jMenuFilePreview.setEnabled(true);
          }
        }
      }
      Drawinglabel.repaint();
      dlg.dispose();
    }
  }

  /** Menu listener for menu Action events.
  @param ActionEvent e
  */
  private void jMenuFileOpen_actionPerformed(ActionEvent e) {
    if (Changed) {
      jMenuFileSave.doClick();
    }
    else {
        Filter f = new Filter("wbmp", "WAP Bitmap");
        JFileChooser fc = new JFileChooser();
        fc.addChoosableFileFilter(f);
        try {
          File d = new File("temp");
          String Dir = d.getCanonicalPath();
          Dir = Dir.substring(0, Dir.length() - 4);
          fc.setCurrentDirectory(new File(Dir));
        }
        catch (IOException ioerror) {}
        fc.showOpenDialog(this);
        fileName = fc.getSelectedFile().getPath();
        OpenFile();
    }
  }

  /** Menu listener for menu Action events.
  @param ActionEvent e
  */
  private void jMenuFileSave_actionPerformed(ActionEvent e) {
    if (Untitled) {
      doSaveAs();
    }
    else {
      Changed = false;
      Encoder wbmpEncoder = new Encoder(Width, Height, ColorMatrix, fileName);
    }
  }

  /** Menu listener for menu Action events.
  @param ActionEvent e
  */
  private void jMenuFilePreview_actionPerformed(ActionEvent e) {

    Viewer viewer = new Viewer(Width, Height, ColorMatrix);
    viewer.show();
    statusBar.setText("Ready");
  }

  /** Menu listener for menu Action events.
  @param ActionEvent e
  */
  private void jMenuDrawingPen_actionPerformed(ActionEvent e) {
    jMenuDrawingPen.setSelected(true);
    ToolbarPen.setSelected(true);
    jMenuDrawingEraser.setSelected(false);
    ToolbarEraser.setSelected(false);
    DrawingColor = Color.black;
  }

  /** Menu listener for menu Action events.
  @param ActionEvent e
  */
  private void jMenuDrawingEraser_actionPerformed(ActionEvent e) {
    jMenuDrawingPen.setSelected(false);
    ToolbarPen.setSelected(false);
    jMenuDrawingEraser.setSelected(true);
    ToolbarEraser.setSelected(true);
    DrawingColor = BackgroundColor;
  }

  /** Menu listener for menu Action events.
  @param ActionEvent e
  */
  private void jMenuHelpContents_actionPerformed(ActionEvent e) {
    HelpDialog aHelpDialog = new HelpDialog(this, false);
    aHelpDialog.show();
  }


  // Toolbar Actions
  /** Toolbar listener for toolbar Action events.
  @param ActionEvent e
  */
  private void ToolbarNew_actionPerformed(ActionEvent e) {
    jMenuFileNew.doClick();
  }

  /** Toolbar listener for toolbar Action events.
  @param ActionEvent e
  */
  private void ToolbarSave_actionPerformed(ActionEvent e) {
    jMenuFileSave.doClick();
  }

  /** Toolbar listener for toolbar Action events.
  @param ActionEvent e
  */
  private void ToolbarPen_actionPerformed(ActionEvent e) {
    jMenuDrawingPen.doClick();
  }

  /** Toolbar listener for toolbar Action events.
  @param ActionEvent e
  */
  private void ToolbarEraser_actionPerformed(ActionEvent e) {
    jMenuDrawingEraser.doClick();
  }

  /** Toolbar listener for toolbar Action events.
  @param ActionEvent e
  */
  private void ToolbarHelp_actionPerformed(ActionEvent e) {
    jMenuHelpContents.doClick();
  }

  /** Toolbar listener for toolbar Action events.
  @param ActionEvent e
  */
  private void ToolbarOpen_actionPerformed(ActionEvent e) {
    jMenuFileOpen.doClick();
  }


  // Drawing Methods
  /** Mouse listener for Mouse events.  Handles drawing when mouse is clicked.
  @param MouseEvent e
  */
  private void DrawingBox_mouseClicked(MouseEvent e) {
    JLabel l = (JLabel) e.getSource();
    Changed = true;
    l.setBackground(DrawingColor);
    if (DrawingColor == Color.black)
      ColorMatrix[l.getX() /labelSize][l.getY() /labelSize] = 0;
    else
      ColorMatrix[l.getX() /labelSize][l.getY() /labelSize] = 1;

  }

  /** Mouse listener for Mouse events.  Handles drawing when mouse is clicked.
  Also changes the cursor to reflect the change in control state.
  @param MouseEvent e
  */
  private void DrawingBox_mousePressed(MouseEvent e) {
    Pressing = true;
    Drawinglabel.setCursor(new Cursor(Cursor.CROSSHAIR_CURSOR));
    JLabel l = (JLabel) e.getSource();
    if (Pressing) {
      Changed = true;
      l.setBackground(DrawingColor);
      if (DrawingColor == Color.black) {
        ColorMatrix[l.getX() /labelSize][l.getY() /labelSize] = 0;
      }
      else
        ColorMatrix[l.getX() /labelSize][l.getY() /labelSize] = 1;
    }
    XPoslabel.setText("X: " + Integer.toString(l.getX() /labelSize + 1));
    YPoslabel.setText("Y: " + Integer.toString(l.getY() /labelSize + 1));
  }

  /** Mouse listener for Mouse events.  Changes cursor back to default cursor.
  @param MouseEvent e
  */
  private void DrawingBox_mouseReleased(MouseEvent e) {
    Pressing = false;
    Drawinglabel.setCursor(new Cursor(Cursor.DEFAULT_CURSOR));

  }

  /** Mouse listener for Mouse events.  Handles drawing when mouse is clicked.
  @param MouseEvent e
  */
  private void DrawingBox_mouseEntered(MouseEvent e) {
    JLabel l = (JLabel) e.getSource();
    if (Pressing) {
      Changed = true;
      l.setBackground(DrawingColor);
      if (DrawingColor == Color.black) {
        ColorMatrix[l.getX() /labelSize][l.getY() /labelSize] = 0;
      }
      else
        ColorMatrix[l.getX() /labelSize][l.getY() /labelSize] = 1;
    }
    XPoslabel.setText("X: " + Integer.toString(l.getX() /labelSize + 1));
    YPoslabel.setText("Y: " + Integer.toString(l.getY() /labelSize + 1));
  }


  // Custom Methods
  /** Handles file opening and decodingrelated issues.  Will display a Save As
  dialog box if changes where made to the previous file*/
  private void OpenFile() {
    statusBar.setText("Opening file...");
    Decoder decoder = new Decoder(fileName);
    if (decoder.getStatus()){
      String fName = fileName.substring(new File(fileName).getParent().toString().length() + 1);
      this.setTitle("WBMP Editor - " + fName);
      statusBar.setText("Ready");
      Untitled = false;
      CreateDrawing(decoder.getWidth(), decoder.getHeight(), decoder.getMatrix());
      jMenuFilePreview.setEnabled(true);
    }
    else
      statusBar.setText("Error decoding file or invalid file type");
  }

  /** Handles file saving and encoding related issues.  Will display as Save As
  dilaog box if the file is marked as untitled. */
  private void doSaveAs() {
    int confirm = 0;

    if (!Untitled) {
      JOptionPane opt = new JOptionPane();
      confirm = opt.showConfirmDialog(this, new String("File has been changed, do you wish to save first?"), new String("Question?"), JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE);
    }
    if (confirm == 0) {
      try{
        Filter f = new Filter("wbmp", "WAP Bitmap");
        JFileChooser fc = new JFileChooser();
        fc.addChoosableFileFilter(f);
        try {
          File d = new File("temp");
          String Dir = d.getCanonicalPath();
          Dir = Dir.substring(0, Dir.length() - 4);
          fc.setCurrentDirectory(new File(Dir));
        }
        catch (IOException ioerror) {}
        fc.setDialogTitle("Save As");
        fc.showSaveDialog(this);
        String fileName = fc.getSelectedFile().getPath() + ".wbmp";
        String fName = fileName.substring(new File(fileName).getParent().toString().length() + 1);
        this.setTitle("WBMP Editor - " + fName);
        statusBar.setText("Saving file...");
        Changed = false;
        Encoder wbmpEncoder = new Encoder(Width, Height, ColorMatrix, fileName);
        statusBar.setText("Ready");
        Untitled = false;
      }
      catch (NullPointerException e) {
        statusBar.setText("Error saving file");
      }
    }
  }

  /** Does the actual drawing on the label after a file was opened.  Files
  created using the New menu item are created within the New menu item handler.
  @param int Width
  @param int Height
  @param int[][] ColorMatrix
  */
  private void CreateDrawing(int w, int h, int[][] matrix) {

    // clear the drawing and the previous controls
    Drawinglabel.removeAll();
    Drawinglabel.repaint();

    // define the new matrix and initialize it to background color
    ColorMatrix = new int[w][h];
    for (int c = 0; c < w; c++)
      for (int r = 0; r < h; r++)
        ColorMatrix[c][r] = matrix[c][r];

    Width = w;
    Height = h;

    // set the background color
    BackgroundColor = bkg;

    // create the new labels
    JLabel l;
    for (int x = 0; x < w; x++) {
      for (int y = 0; y < h; y++) {
        l = new JLabel();
        if (ColorMatrix[x][y] == 1)
          l.setBackground(bkg);
        else
          l.setBackground(Color.black);
        l.setOpaque(true);
        l.setBorder(BorderFactory.createLineBorder(Color.lightGray,1));
        l.setSize(labelSize, labelSize);
        l.setLocation(x * labelSize, y * labelSize);
        l.addMouseListener(new java.awt.event.MouseAdapter() {
          public void mouseClicked(MouseEvent e) {
            DrawingBox_mouseClicked(e);
          }
          public void mousePressed(MouseEvent e) {
            DrawingBox_mousePressed(e);
          }
          public void mouseReleased(MouseEvent e) {
            DrawingBox_mouseReleased(e);
          }
          public void mouseEntered(MouseEvent e) {
            DrawingBox_mouseEntered(e);
          }
        });
        Drawinglabel.add(l);
      }
    }
    Drawinglabel.repaint();
  }

}