metalinternalframetitlepane.java

Mobile 应用程序使用 Java Micro Edition (Java ME) 平台

                    closeButton.setBounds(x, y, buttonWidth, buttonHeight);
                    if( !leftToRight ) x += buttonWidth;
                }
            }

            if(frame.isMaximizable() && !isPalette ) {
                spacing = frame.isClosable() ? 10 : 4;
                x += leftToRight ? -spacing -buttonWidth : spacing;
                maxButton.setBounds(x, y, buttonWidth, buttonHeight);
                if( !leftToRight ) x += buttonWidth;
            } 
        
            if(frame.isIconifiable() && !isPalette ) {
                spacing = frame.isMaximizable() ? 2
                          : (frame.isClosable() ? 10 : 4);
                x += leftToRight ? -spacing -buttonWidth : spacing;
                iconButton.setBounds(x, y, buttonWidth, buttonHeight);      
                if( !leftToRight ) x += buttonWidth;
            }
        
            buttonsWidth = leftToRight ? w - x : x;
        } 
    }

    public void paintPalette(Graphics g)  {
        boolean leftToRight = MetalUtils.isLeftToRight(frame);

        int width = getWidth();
        int height = getHeight();
    
        if (paletteBumps == null) {
            paletteBumps 
                = new MetalBumps(0, 0,
                                 MetalLookAndFeel.getPrimaryControlHighlight(),
                                 MetalLookAndFeel.getPrimaryControlInfo(),
                                 MetalLookAndFeel.getPrimaryControlShadow() );
        }

        Color background = MetalLookAndFeel.getPrimaryControlShadow();     
        Color darkShadow = MetalLookAndFeel.getPrimaryControlDarkShadow();

        g.setColor(background);
        g.fillRect(0, 0, width, height);

        g.setColor( darkShadow );
        g.drawLine ( 0, height - 1, width, height -1);

        int xOffset = leftToRight ? 4 : buttonsWidth + 4;
        int bumpLength = width - buttonsWidth -2*4;
        int bumpHeight = getHeight()  - 4;
        paletteBumps.setBumpArea( bumpLength, bumpHeight );
        paletteBumps.paintIcon( this, g, xOffset, 2);
    }

    public void paintComponent(Graphics g)  {
        if(isPalette) {
            paintPalette(g);
            return;
        }

        boolean leftToRight = MetalUtils.isLeftToRight(frame);
        boolean isSelected = frame.isSelected();

        int width = getWidth();
        int height = getHeight();
    
        Color background = null;
        Color foreground = null;
        Color shadow = null;

        MetalBumps bumps;
        String gradientKey;

        if (isSelected) {
            if (!MetalLookAndFeel.usingOcean()) {
                closeButton.setContentAreaFilled(true);
                maxButton.setContentAreaFilled(true);
                iconButton.setContentAreaFilled(true);
            }
            if (selectedBackgroundKey != null) {
                background = UIManager.getColor(selectedBackgroundKey);
            }
            if (background == null) {
                background = MetalLookAndFeel.getWindowTitleBackground();
            }
            if (selectedForegroundKey != null) {
                foreground = UIManager.getColor(selectedForegroundKey);
            }
            if (selectedShadowKey != null) {
                shadow = UIManager.getColor(selectedShadowKey);
            }
            if (shadow == null) {
                shadow = MetalLookAndFeel.getPrimaryControlDarkShadow();
            }
            if (foreground == null) {
                foreground = MetalLookAndFeel.getWindowTitleForeground();
            }
            activeBumps.setBumpColors(activeBumpsHighlight, activeBumpsShadow,
                        UIManager.get("InternalFrame.activeTitleGradient") !=
                                      null ? null : background);
            bumps = activeBumps;
            gradientKey = "InternalFrame.activeTitleGradient";
        } else {
            if (!MetalLookAndFeel.usingOcean()) {
                closeButton.setContentAreaFilled(false);
                maxButton.setContentAreaFilled(false);
                iconButton.setContentAreaFilled(false);
            }
            background = MetalLookAndFeel.getWindowTitleInactiveBackground();
            foreground = MetalLookAndFeel.getWindowTitleInactiveForeground();
            shadow = MetalLookAndFeel.getControlDarkShadow();
            bumps = inactiveBumps;
            gradientKey = "InternalFrame.inactiveTitleGradient";
        }

        if (!MetalUtils.drawGradient(this, g, gradientKey, 0, 0, width,
                                     height, true)) {
            g.setColor(background);
            g.fillRect(0, 0, width, height);
        }

        g.setColor( shadow );
        g.drawLine ( 0, height - 1, width, height -1);
        g.drawLine ( 0, 0, 0 ,0);    
        g.drawLine ( width - 1, 0 , width -1, 0);


        int titleLength = 0;
        int xOffset = leftToRight ? 5 : width - 5;
        String frameTitle = frame.getTitle();

        Icon icon = frame.getFrameIcon();
        if ( icon != null ) {
            if( !leftToRight ) 
                xOffset -= icon.getIconWidth();
            int iconY = ((height / 2) - (icon.getIconHeight() /2));
            icon.paintIcon(frame, g, xOffset, iconY);
            xOffset += leftToRight ? icon.getIconWidth() + 5 : -5;
        }

        if(frameTitle != null) {
            Font f = getFont();
            g.setFont(f);
            FontMetrics fm = SwingUtilities2.getFontMetrics(frame, g, f);
            int fHeight = fm.getHeight();

            g.setColor(foreground);

            int yOffset = ( (height - fm.getHeight() ) / 2 ) + fm.getAscent();

            Rectangle rect = new Rectangle(0, 0, 0, 0);
            if (frame.isIconifiable()) { rect = iconButton.getBounds(); }
            else if (frame.isMaximizable()) { rect = maxButton.getBounds(); }
            else if (frame.isClosable()) { rect = closeButton.getBounds(); }
            int titleW;

            if( leftToRight ) {
              if (rect.x == 0) {
		rect.x = frame.getWidth()-frame.getInsets().right-2;
	      }
              titleW = rect.x - xOffset - 4;
              frameTitle = getTitle(frameTitle, fm, titleW);
            } else {
              titleW = xOffset - rect.x - rect.width - 4;
              frameTitle = getTitle(frameTitle, fm, titleW);
              xOffset -= SwingUtilities2.stringWidth(frame, fm, frameTitle);
            }

            titleLength = SwingUtilities2.stringWidth(frame, fm, frameTitle);
            SwingUtilities2.drawString(frame, g, frameTitle, xOffset, yOffset);
            xOffset += leftToRight ? titleLength + 5  : -5;
        }
  
        int bumpXOffset;
        int bumpLength;
        if( leftToRight ) {
            bumpLength = width - buttonsWidth - xOffset - 5;
            bumpXOffset = xOffset;
        } else {
            bumpLength = xOffset - buttonsWidth - 5;
            bumpXOffset = buttonsWidth + 5;
        }
        int bumpYOffset = 3;
        int bumpHeight = getHeight() - (2 * bumpYOffset);        
        bumps.setBumpArea( bumpLength, bumpHeight );
        bumps.paintIcon(this, g, bumpXOffset, bumpYOffset);
    }
					     				    
    public void setPalette(boolean b) {
        isPalette = b;

	if (isPalette) {
            closeButton.setIcon(paletteCloseIcon);
         if( frame.isMaximizable() )
                remove(maxButton);
            if( frame.isIconifiable() )
                remove(iconButton);
        } else {
 	    closeButton.setIcon(closeIcon);
            if( frame.isMaximizable() )
                add(maxButton);
            if( frame.isIconifiable() )
                add(iconButton);
	}		
	revalidate();
	repaint();
    }		     

    /**
     * Updates any state dependant upon the JInternalFrame being shown in
     * a <code>JOptionPane</code>.
     */
    private void updateOptionPaneState() {
        int type = -2;
        boolean closable = wasClosable;
        Object obj = frame.getClientProperty("JInternalFrame.messageType");

        if (obj == null) {
            // Don't change the closable state unless in an JOptionPane.
            return;
        }
        if (obj instanceof Integer) {
            type = ((Integer) obj).intValue();
        }
        switch (type) {
        case JOptionPane.ERROR_MESSAGE:
            selectedBackgroundKey =
                              "OptionPane.errorDialog.titlePane.background";
            selectedForegroundKey =
                              "OptionPane.errorDialog.titlePane.foreground";
            selectedShadowKey = "OptionPane.errorDialog.titlePane.shadow";
            closable = false;
            break;
        case JOptionPane.QUESTION_MESSAGE:
            selectedBackgroundKey =
                            "OptionPane.questionDialog.titlePane.background";
            selectedForegroundKey =
                    "OptionPane.questionDialog.titlePane.foreground";
            selectedShadowKey =
                          "OptionPane.questionDialog.titlePane.shadow";
            closable = false;
            break;
        case JOptionPane.WARNING_MESSAGE:
            selectedBackgroundKey =
                              "OptionPane.warningDialog.titlePane.background";
            selectedForegroundKey =
                              "OptionPane.warningDialog.titlePane.foreground";
            selectedShadowKey = "OptionPane.warningDialog.titlePane.shadow";
            closable = false;
            break;
        case JOptionPane.INFORMATION_MESSAGE:
        case JOptionPane.PLAIN_MESSAGE:
            selectedBackgroundKey = selectedForegroundKey = selectedShadowKey =
                                    null;
            closable = false;
            break;
        default:
            selectedBackgroundKey = selectedForegroundKey = selectedShadowKey =
                                    null;
            break;
        }
        if (closable != frame.isClosable()) {
            frame.setClosable(closable);
        }
    }
}