javax.swing.SwingUtilities#windowForComponent ( )源码实例Demo

/**
 * 
 */
public void updateTitle()
{
	JFrame frame = (JFrame) SwingUtilities.windowForComponent(this);

	if (frame != null)
	{
		String title = (currentFile != null) ? currentFile
				.getAbsolutePath() : mxResources.get("newDiagram");

		if (modified)
		{
			title += "*";
		}

		frame.setTitle(title + " - " + appTitle);
	}
}
 

@Override
public void actionPerformed(ActionContext context) {

	CompEditorModel editorModel = (CompEditorModel) model;

	DataTypeComponent dtComponent = getUnalignedBitFieldComponent();
	if (dtComponent == null) {
		return;
	}

	BitFieldEditorDialog dlg = new BitFieldEditorDialog(editorModel.viewComposite,
		provider.dtmService, dtComponent.getOrdinal(),
		ordinal -> refreshTableAndSelection(editorModel, ordinal));
	Component c = provider.getComponent();
	Window w = SwingUtilities.windowForComponent(c);
	DockingWindowManager.showDialog(w, dlg, c);
	requestTableFocus();
}
 

/**
 * Shows a modal font-chooser dialog and blocks until the dialog is
 * hidden. If the user presses the "OK" button, then this method
 * hides/disposes the dialog and returns the selected color. If the
 * user presses the "Cancel" button or closes the dialog without
 * pressing "OK", then this method hides/disposes the dialog and
 * returns <code>null</code>.
 * 
 * @param parent the parent <code>Component</code> for the
 *          dialog
 * @param title the String containing the dialog's title
 * @param initialFont the initial Font set when the font-chooser is
 *          shown
 * @return the selected font or <code>null</code> if the user
 *         opted out
 * @exception java.awt.HeadlessException if GraphicsEnvironment.isHeadless()
 *              returns true.
 * @see java.awt.GraphicsEnvironment#isHeadless
 */
public static Font showDialog(Component parent, String title, Font initialFont) {
  BaseDialog dialog;
  Window window = (parent == null?JOptionPane.getRootFrame():SwingUtilities
    .windowForComponent(parent));
  if (window instanceof Frame) {
    dialog = new BaseDialog((Frame)window, title, true);
  } else {
    dialog = new BaseDialog((Dialog)window, title, true);
  }
  dialog.setDialogMode(BaseDialog.OK_CANCEL_DIALOG);
  dialog.getBanner().setVisible(false);

  JFontChooser chooser = new JFontChooser();
  chooser.setSelectedFont(initialFont);

  dialog.getContentPane().setLayout(new BorderLayout());
  dialog.getContentPane().add("Center", chooser);
  dialog.pack();
  dialog.setLocationRelativeTo(parent);

  if (dialog.ask()) {
    return chooser.getSelectedFont();
  } else {
    return null;
  }
}
 

public void show(Point location) {
    Rectangle screenBounds = null;
    GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
    GraphicsDevice[] gds = ge.getScreenDevices();
    for (GraphicsDevice device : gds) {
        GraphicsConfiguration gc = device.getDefaultConfiguration();
        screenBounds = gc.getBounds();
        if (screenBounds.contains(location)) {
            break;
        }
    }

    // showing the popup tooltip
    cp = new TooltipContentPanel(master.getTextComponent());

    Window w = SwingUtilities.windowForComponent(master.getTextComponent());
    contentWindow = new JWindow(w);
    contentWindow.add(cp);
    contentWindow.pack();
    Dimension dim = contentWindow.getSize();

    if (location.y + dim.height + SCREEN_BORDER > screenBounds.y + screenBounds.height) {
        dim.height = (screenBounds.y + screenBounds.height) - (location.y + SCREEN_BORDER);
    }
    if (location.x + dim.width + SCREEN_BORDER > screenBounds.x + screenBounds.width) {
        dim.width = (screenBounds.x + screenBounds.width) - (location.x + SCREEN_BORDER);
    }

    contentWindow.setSize(dim);

    contentWindow.setLocation(location.x, location.y - 1);  // slight visual adjustment
    contentWindow.setVisible(true);

    Toolkit.getDefaultToolkit().addAWTEventListener(this, AWTEvent.MOUSE_EVENT_MASK | AWTEvent.KEY_EVENT_MASK);
    w.addWindowFocusListener(this);
    contentWindow.addWindowFocusListener(this);
}
 

public void mouseDragged(MouseEvent e)
	{
		int x=e.getX(),y=e.getY(),deltaX=x-this.lastX,deltaY=y-this.lastY;
		//目的组件未设置就默认认为是它的父窗口吧
		Component win=(destCom==null?SwingUtilities.windowForComponent(srcCom):destCom);
		if(win!=null)
//			win.setLocation((int)(win.getLocation().getX()+deltaX)
//					, (int)(win.getLocation().getY()+deltaY));
			setLocationImpl(win,deltaX,deltaY);
	}
 

private void closeToolbar() {
  if ( toolBar == null ) {
    return;
  }
  if ( toolBar.getParent() != toolbarHolder ) {
    // ha!, we detected that the toolbar is floating ...
    // Log.debug (currentToolbar.getParent());
    final Window w = SwingUtilities.windowForComponent( toolBar );
    if ( w != null ) {
      w.setVisible( false );
      w.dispose();
    }
  }
  toolBar.setVisible( false );
}
 

private static boolean willPopupBeContained(JPopupMenu popup, Point origin) {
    if (!popup.isShowing()) {
        return false;
    }

    Window w = SwingUtilities.windowForComponent(popup.getInvoker());
    Rectangle r = new Rectangle(origin, popup.getSize());

    return (w != null) && w.getBounds().contains(r);
}
 

/** Creates new form Import9Patch */
public Import9Patch(java.awt.Component parent, EditableResources res, String theme) {
    super((java.awt.Frame)SwingUtilities.windowForComponent(parent), true);
    this.res = res;
    this.theme = theme;
    initComponents();
    AddThemeEntry.initUIIDComboBox(uiidCombo);
    
    pack();
    setLocationByPlatform(true);
    setVisible(true);
}
 

@Override
public void actionPerformed(ActionEvent ev) {
    JComponent c = (JComponent)ev.getSource();
    Window w = SwingUtilities.windowForComponent(c);
    if (w != null) {
        w.dispose();
    }
    Installer.RP.post(this);
}
 

/** Computes width of string up to maxCharCount, with font of given JComponent
 * and with maximum percentage of owning Window that can be taken */
private static int computeWidth (JComponent comp, int maxCharCount, int percent) {
    FontMetrics fm = comp.getFontMetrics(comp.getFont());
    int charW = fm.charWidth('X');
    int result = charW * maxCharCount;
    // limit width to 50% of containing window
    Window w = SwingUtilities.windowForComponent(comp);
    if (w != null) {
        result = Math.min(result, w.getWidth() * percent / 100);
    }
    return result;
}
 

/**
 * Creates the popup, calculates position and sets focus
 */
private void showPopup(Component source) {

	actionSource = source;
	actionSource.addComponentListener(this);

	if (actionSource instanceof JToggleButton) {
		JToggleButton toggleSource = (JToggleButton) actionSource;
		toggleSource.setSelected(true);
	}

	containingWindow = SwingUtilities.windowForComponent(actionSource);
	containingWindow.addComponentListener(this);

	Point position = calculatePosition(source);
	popupComponent.setLocation(position);
	popupComponent.setVisible(true);
	popup = new ContainerPopupDialog(containingWindow, popupComponent, position);
	popup.setVisible(true);
	popup.requestFocus();
	popupComponent.startTracking(containingWindow);

	if (propertyChangeListener != null) {
		popupComponent.getComponent().removePropertyChangeListener(PACK_EVENT, propertyChangeListener);
	}
	propertyChangeListener =  e -> {
		if (popup != null) {
			popup.pack();

			// best position may change due to changed dimensions, recalculate and set
			Point popupPosition = calculatePosition(source);
			popup.setLocation(popupPosition);
		}
	};
	popupComponent.getComponent().addPropertyChangeListener(PACK_EVENT, propertyChangeListener);
}
 

public static Double showEditNumber(Component parent, String title, String message, Icon icon) {
    
    Window window = SwingUtilities.windowForComponent(parent);
    
    JNumberDialog myMsg;
    if (window instanceof Frame) { 
        myMsg = new JNumberDialog((Frame) window, true);
    } else {
        myMsg = new JNumberDialog((Dialog) window, true);
    }
    
    myMsg.setTitle(title, message, icon);
    myMsg.setVisible(true);
    return myMsg.m_value;
}
 

public static SelectPrinter getSelectPrinter(Component parent, String[] printers) {

        Window window = SwingUtilities.windowForComponent(parent);

        SelectPrinter myMsg;
        if (window instanceof Frame) {
            myMsg = new SelectPrinter((Frame) window, true);
        } else {
            myMsg = new SelectPrinter((Dialog) window, true);
        }
        myMsg.init(printers);
        myMsg.applyComponentOrientation(parent.getComponentOrientation());
        return myMsg;
    }
 

private void turnTransparencyOff() {
    NativeWindowSystem nws = NativeWindowSystem.getDefault();
    for( ModeImpl m : WindowManagerImpl.getInstance().getModes() ) {
        if( m.getState() != Constants.MODE_STATE_SEPARATED
                || m.getKind() == Constants.MODE_KIND_EDITOR )
            continue;
        TopComponent tc = m.getSelectedTopComponent();
        if( null != tc ) {
            Window w = SwingUtilities.windowForComponent(tc);
            if( null != w ) {
                nws.setWindowAlpha( w, 1.0f );
            }
        }
    }
}
 

/** Creates new form About */
public About(java.awt.Component parent) {
    super((Frame)SwingUtilities.windowForComponent(parent), true);
    initComponents();
    Properties p = new Properties();
    try {
        p.load(getClass().getResourceAsStream("/version.properties"));
    } catch (IOException ex) {
        ex.printStackTrace();
    }
    buildNumber.setText(p.getProperty("build", "1"));
    pack();
    setLocationRelativeTo(parent);
    setVisible(true);
}
 

/** Computes width of string up to maxCharCount, with font of given JComponent
 * and with maximum percentage of owning Window that can be taken */
private static int computeWidth (JComponent comp, int maxCharCount, int percent) {
    FontMetrics fm = comp.getFontMetrics(comp.getFont());
    int charW = fm.charWidth('X');
    int result = charW * maxCharCount;
    // limit width to 50% of containing window
    Window w = SwingUtilities.windowForComponent(comp);
    if (w != null) {
        result = Math.min(result, w.getWidth() * percent / 100);
    }
    return result;
}
 

private void setSizeAndDimensions(@NotNull JTable table,
    @NotNull JBPopup popup,
    @NotNull RelativePoint popupPosition,
    @NotNull List<UsageNode> data) {
  JComponent content = popup.getContent();
  Window window = SwingUtilities.windowForComponent(content);
  Dimension d = window.getSize();

  int width = calcMaxWidth(table);
  width = (int)Math.max(d.getWidth(), width);
  Dimension headerSize = ((AbstractPopup)popup).getHeaderPreferredSize();
  width = Math.max((int)headerSize.getWidth(), width);
  width = Math.max(myWidth, width);

  if (myWidth == -1) myWidth = width;
  int newWidth = Math.max(width, d.width + width - myWidth);

  myWidth = newWidth;

  int rowsToShow = Math.min(30, data.size());
  Dimension dimension = new Dimension(newWidth, table.getRowHeight() * rowsToShow);
  Rectangle rectangle = fitToScreen(dimension, popupPosition, table);
  dimension = rectangle.getSize();
  Point location = window.getLocation();
  if (!location.equals(rectangle.getLocation())) {
    window.setLocation(rectangle.getLocation());
  }

  if (!data.isEmpty()) {
    TableScrollingUtil.ensureSelectionExists(table);
  }
  table.setSize(dimension);
  //table.setPreferredSize(dimension);
  //table.setMaximumSize(dimension);
  //table.setPreferredScrollableViewportSize(dimension);


  Dimension footerSize = ((AbstractPopup)popup).getFooterPreferredSize();

  int newHeight = (int)(dimension.height + headerSize.getHeight() + footerSize.getHeight()) + 4/* invisible borders, margins etc*/;
  Dimension newDim = new Dimension(dimension.width, newHeight);
  window.setSize(newDim);
  window.setMinimumSize(newDim);
  window.setMaximumSize(newDim);

  window.validate();
  window.repaint();
  table.revalidate();
  table.repaint();
}
 

protected void showTipWindow() {
       if(insideComponent == null || !insideComponent.isShowing())
           return;
       cancelled = false;
       LOG.fine("cancelled=false");    //NOI18N
for (Container p = insideComponent.getParent(); p != null; p = p.getParent()) {
           if (p instanceof JPopupMenu) break;
    if (p instanceof Window) {
	if (!((Window)p).isFocused()) {
	    return;
	}
	break;
    }
}
       if (enabled) {
           Dimension size;
           
           // Just to be paranoid
           hideTipWindow();

           tip = createToolTip();
           tip.setTipText(toolTipText);
           size = tip.getPreferredSize();

           Point location = provider.getToolTipLocation( mouseEvent.getPoint(), size );

    // we do not adjust x/y when using awt.Window tips
    if (popupRect == null){
	popupRect = new Rectangle();
    }
    popupRect.setBounds( location.x, location.y, size.width, size.height );
    
           PopupFactory popupFactory = PopupFactory.getSharedInstance();

    tipWindow = popupFactory.getPopup(insideComponent, tip,
				      location.x,
				      location.y);
    tipWindow.show();

           Window componentWindow = SwingUtilities.windowForComponent(
                                                   insideComponent);

           window = SwingUtilities.windowForComponent(tip);
           if (window != null && window != componentWindow) {
               window.addMouseListener(this);
           }
           else {
               window = null;
           }

           Toolkit.getDefaultToolkit().addAWTEventListener( getAWTListener(), AWTEvent.KEY_EVENT_MASK );
    tipShowing = true;
       }
   }
 

@RandomlyFails
public void testLeafDialog () throws Exception {
    boolean leaf = true;
    DialogDescriptor ownerDD = new DialogDescriptor (pane, "Owner", true, new Object[] {closeOwner}, null, 0, null, null, leaf);
    final Dialog owner = DialogDisplayer.getDefault ().createDialog (ownerDD);
    
    // make leaf visible
    postInAwtAndWaitOutsideAwt (new Runnable () {
        @Override
        public void run () {
            owner.setVisible (true);
        }
    });
    assertShowing("Owner should be visible", true, owner);
    
    child = DialogDisplayer.getDefault ().createDialog (childDD);

    // make the child visible
    postInAwtAndWaitOutsideAwt (new Runnable () {
        @Override
        public void run () {
            child.setVisible (true);
        }
    });
    assertShowing("Child will be visible", true, child);
    
    Window w = SwingUtilities.windowForComponent(child);
    assertFalse ("No dialog is owned by leaf dialog.", owner.equals (w.getOwner ()));
    assertEquals ("The leaf dialog has no child.", 0, owner.getOwnedWindows ().length);
    
    assertTrue ("Leaf is visible", owner.isVisible ());
    assertTrue ("Child is visible", child.isVisible ());
    
    // close the leaf window
    postInAwtAndWaitOutsideAwt (new Runnable () {
        @Override
        public void run () {
            owner.setVisible (false);
        }
    });
    assertShowing("Disappear", false, owner);
    
    assertFalse ("Leaf is dead", owner.isVisible ());
    assertTrue ("Child is visible still", child.isVisible ());
    
    // close the child dialog
    postInAwtAndWaitOutsideAwt (new Runnable () {
        @Override
        public void run () {
            child.setVisible (false);
        }
    });        
    assertShowing("Child is invisible", false, child);
    
    assertFalse ("Child is dead too", child.isVisible ());
}
 

public AddImageResource(java.awt.Component c, EditableResources res) {
    this((java.awt.Frame)SwingUtilities.windowForComponent(c), true, res);
}