swingset2.java

来自「一个小公司要求给写的很简单的任务管理系统。」· Java 代码 · 共 1,408 行 · 第 1/4 页

	    tb.setAction(a);
	    add(tb);
	    return tb;
	}
    }

    // *******************************************************
    // *********  ToolBar Panel / Docking Listener ***********
    // *******************************************************
    class ToolBarPanel extends JPanel implements ContainerListener {

	public boolean contains(int x, int y) {
	    Component c = getParent();
	    if (c != null) {
		Rectangle r = c.getBounds();
		return (x >= 0) && (x < r.width) && (y >= 0) && (y < r.height);
	    }
	    else {
		return super.contains(x,y);
	    }
	}

	public void componentAdded(ContainerEvent e) {
	    Container c = e.getContainer().getParent();
	    if (c != null) {
		c.getParent().validate();
		c.getParent().repaint();	    
	    }
	}

	public void componentRemoved(ContainerEvent e) {
	    Container c = e.getContainer().getParent();
	    if (c != null) {
		c.getParent().validate();
		c.getParent().repaint();
	    }
	}
    }

    // *******************************************************
    // ******************   Runnables  ***********************
    // *******************************************************

    /**
     * Generic SwingSet2 runnable. This is intended to run on the
     * AWT gui event thread so as not to muck things up by doing
     * gui work off the gui thread. Accepts a SwingSet2 and an Object
     * as arguments, which gives subtypes of this class the two
     * "must haves" needed in most runnables for this demo.
     */
    class SwingSetRunnable implements Runnable {
	protected SwingSet2 swingset;
	protected Object obj;
	
	public SwingSetRunnable(SwingSet2 swingset, Object obj) {
	    this.swingset = swingset;
	    this.obj = obj;
	}

	public void run() {
	}
    }
	
    
    // *******************************************************
    // ********************   Actions  ***********************
    // *******************************************************
    
    public class SwitchToDemoAction extends AbstractAction {
	SwingSet2 swingset;
	DemoModule demo;
	
	public SwitchToDemoAction(SwingSet2 swingset, DemoModule demo) {
	    super(demo.getName(), demo.getIcon());
	    this.swingset = swingset;
	    this.demo = demo;
	}

	public void actionPerformed(ActionEvent e) {
	    swingset.setDemo(demo);
	}
    }

    class OkAction extends AbstractAction {
	JDialog aboutBox;

        protected OkAction(JDialog aboutBox) {
            super("OkAction");
	    this.aboutBox = aboutBox;
        }

        public void actionPerformed(ActionEvent e) {
	    aboutBox.setVisible(false);
	}
    }

    class ChangeLookAndFeelAction extends AbstractAction {
	SwingSet2 swingset;
	String laf;
        protected ChangeLookAndFeelAction(SwingSet2 swingset, String laf) {
            super("ChangeTheme");
	    this.swingset = swingset;
	    this.laf = laf;
        }

        public void actionPerformed(ActionEvent e) {
	    swingset.setLookAndFeel(laf);
	}
    }

    class ActivatePopupMenuAction extends AbstractAction {
 	SwingSet2 swingset;
 	JPopupMenu popup;
	protected ActivatePopupMenuAction(SwingSet2 swingset, JPopupMenu popup) {
	    super("ActivatePopupMenu");
 	    this.swingset = swingset;
 	    this.popup = popup;
	}
	
 	public void actionPerformed(ActionEvent e) {
 	    Dimension invokerSize = getSize();
 	    Dimension popupSize = popup.getPreferredSize();
 	    popup.show(swingset, (invokerSize.width - popupSize.width) / 2,
 		       (invokerSize.height - popupSize.height) / 2);
 	}
    }

    // Turns on all possible auditory feedback
    class OnAudioAction extends AbstractAction {
	SwingSet2 swingset;
        protected OnAudioAction(SwingSet2 swingset) {
            super("Audio On");
	    this.swingset = swingset;
        }
        public void actionPerformed(ActionEvent e) {
	    UIManager.put("AuditoryCues.playList",
			  UIManager.get("AuditoryCues.allAuditoryCues"));
	    swingset.updateLookAndFeel();
	}
    }

    // Turns on the default amount of auditory feedback
    class DefaultAudioAction extends AbstractAction {
	SwingSet2 swingset;
        protected DefaultAudioAction(SwingSet2 swingset) {
            super("Audio Default");
	    this.swingset = swingset;
        }
        public void actionPerformed(ActionEvent e) {
	    UIManager.put("AuditoryCues.playList",
			  UIManager.get("AuditoryCues.defaultCueList"));
	    swingset.updateLookAndFeel();
	}
    }

    // Turns off all possible auditory feedback
    class OffAudioAction extends AbstractAction {
	SwingSet2 swingset;
        protected OffAudioAction(SwingSet2 swingset) {
            super("Audio Off");
	    this.swingset = swingset;
        }
        public void actionPerformed(ActionEvent e) {
	    UIManager.put("AuditoryCues.playList",
			  UIManager.get("AuditoryCues.noAuditoryCues"));
	    swingset.updateLookAndFeel();
	}
    }

    // Turns on or off the tool tips for the demo.
    class ToolTipAction extends AbstractAction {
        protected ToolTipAction() {
            super("ToolTip Control");
        }

        public void actionPerformed(ActionEvent e) {
            boolean status = ((JCheckBoxMenuItem)e.getSource()).isSelected();
            ToolTipManager.sharedInstance().setEnabled(status);
        }
    }

    class DragSupportAction extends AbstractAction {
        protected DragSupportAction() {
            super("DragSupport Control");
        }
        
        public void actionPerformed(ActionEvent e) {
            boolean dragEnabled = ((JCheckBoxMenuItem)e.getSource()).isSelected();
            if (isApplet()) {
                setDragEnabled(dragEnabled);
            } else {
                for (SwingSet2 ss : swingSets) {
                    ss.setDragEnabled(dragEnabled);
                }
            }
        }
    }

    class ChangeThemeAction extends AbstractAction {
	SwingSet2 swingset;
	MetalTheme theme;
        protected ChangeThemeAction(SwingSet2 swingset, MetalTheme theme) {
            super("ChangeTheme");
	    this.swingset = swingset;
	    this.theme = theme;
        }

        public void actionPerformed(ActionEvent e) {
	    MetalLookAndFeel.setCurrentTheme(theme);
	    swingset.updateLookAndFeel();
	}
    }

    class ExitAction extends AbstractAction {
	SwingSet2 swingset;
        protected ExitAction(SwingSet2 swingset) {
            super("ExitAction");
	    this.swingset = swingset;
        }

        public void actionPerformed(ActionEvent e) {
	    System.exit(0);
        }
    }

    class AboutAction extends AbstractAction {
	SwingSet2 swingset;
        protected AboutAction(SwingSet2 swingset) {
            super("AboutAction");
	    this.swingset = swingset;
        }
	
        public void actionPerformed(ActionEvent e) {
	    if(aboutBox == null) {
		// JPanel panel = new JPanel(new BorderLayout());
		JPanel panel = new AboutPanel(swingset);
		panel.setLayout(new BorderLayout());

		aboutBox = new JDialog(swingset.getFrame(), getString("AboutBox.title"), false);
                aboutBox.setResizable(false);
		aboutBox.getContentPane().add(panel, BorderLayout.CENTER);

		// JButton button = new JButton(getString("AboutBox.ok_button_text"));
		JPanel buttonpanel = new JPanel();
                buttonpanel.setBorder(new javax.swing.border.EmptyBorder(0, 0, 3, 0));
		buttonpanel.setOpaque(false);
		JButton button = (JButton) buttonpanel.add(
		    new JButton(getString("AboutBox.ok_button_text"))
		);
		panel.add(buttonpanel, BorderLayout.SOUTH);

		button.addActionListener(new OkAction(aboutBox));
	    }
	    aboutBox.pack();
            if (isApplet()) {
                aboutBox.setLocationRelativeTo(getApplet());
            } else {
                aboutBox.setLocationRelativeTo(getFrame());
            }
	    aboutBox.show();
	}
    }

    class MultiScreenAction extends AbstractAction {
        static final int ALL_SCREENS = -1;
        int screen;
        protected MultiScreenAction(SwingSet2 swingset, int screen) {
            super("MultiScreenAction");
            this.screen = screen;
        }

        public void actionPerformed(ActionEvent e) {
            GraphicsDevice[] gds = GraphicsEnvironment.
                                   getLocalGraphicsEnvironment().
                                   getScreenDevices();
            if (screen == ALL_SCREENS) {
                for (int i = 0; i < gds.length; i++) {
                    SwingSet2 swingset = new SwingSet2(null,
                                  gds[i].getDefaultConfiguration());
                    swingset.setDragEnabled(dragEnabled);
                }
            }
            else {
                SwingSet2 swingset = new SwingSet2(null,
                             gds[screen].getDefaultConfiguration());
                swingset.setDragEnabled(dragEnabled);
            }
        }
    }

    // *******************************************************
    // **********************  Misc  *************************
    // *******************************************************

    class DemoLoadThread extends Thread {
	SwingSet2 swingset;
	
	public DemoLoadThread(SwingSet2 swingset) {
	    this.swingset = swingset;
	}

	public void run() {
	    swingset.loadDemos();
	}
    }

    class AboutPanel extends JPanel {
	ImageIcon aboutimage = null;
	SwingSet2 swingset = null;

	public AboutPanel(SwingSet2 swingset) {
	    this.swingset = swingset;
	    aboutimage = swingset.createImageIcon("About.jpg", "AboutBox.accessible_description");
	    setOpaque(false);
	}

	public void paint(Graphics g) {
	    aboutimage.paintIcon(this, g, 0, 0);
	    super.paint(g);
	}

	public Dimension getPreferredSize() {
	    return new Dimension(aboutimage.getIconWidth(),
				 aboutimage.getIconHeight());
	}
    }


    private class ChangeFontAction extends AbstractAction {
	private SwingSet2 swingset;
        private boolean plain;

        ChangeFontAction(SwingSet2 swingset, boolean plain) {
            super("FontMenu");
	    this.swingset = swingset;
            this.plain = plain;
        }

        public void actionPerformed(ActionEvent e) {
            if (plain) {
                UIManager.put("swing.boldMetal", Boolean.FALSE);
            }
            else {
                UIManager.put("swing.boldMetal", Boolean.TRUE);
            }
            // Change the look and feel to force the settings to take effect.
            updateLookAndFeel();
        }
    }
}