| /* MetalTreeUI.java |
| Copyright (C) 2005 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package javax.swing.plaf.metal; |
| |
| import gnu.classpath.NotImplementedException; |
| |
| import java.awt.Graphics; |
| import java.awt.Insets; |
| import java.awt.Rectangle; |
| |
| import javax.swing.JComponent; |
| import javax.swing.JTree; |
| import javax.swing.tree.TreePath; |
| import javax.swing.plaf.ComponentUI; |
| import javax.swing.plaf.basic.BasicTreeUI; |
| |
| /** |
| * A UI delegate for the {@link JTree} component. |
| */ |
| public class MetalTreeUI extends BasicTreeUI |
| { |
| /** |
| * Constructs a new instance of <code>MetalTreeUI</code>. |
| */ |
| public MetalTreeUI() |
| { |
| super(); |
| } |
| |
| /** |
| * Returns a new instance of <code>MetalTreeUI</code>. |
| * |
| * @param component the component for which we return an UI instance |
| * |
| * @return A new instance of <code>MetalTreeUI</code>. |
| */ |
| public static ComponentUI createUI(JComponent component) |
| { |
| return new MetalTreeUI(); |
| } |
| |
| /** |
| * The horizontal element of legs between nodes starts at the right of the |
| * left-hand side of the child node by default. This method makes the |
| * leg end before that. |
| */ |
| protected int getHorizontalLegBuffer() |
| { |
| return super.getHorizontalLegBuffer(); |
| } |
| |
| /** |
| * Configures the specified component appropriate for the look and feel. |
| * This method is invoked when the ComponentUI instance is being installed |
| * as the UI delegate on the specified component. This method should completely |
| * configure the component for the look and feel, including the following: |
| * 1. Install any default property values for color, fonts, borders, icons, |
| * opacity, etc. on the component. Whenever possible, property values |
| * initialized by the client program should not be overridden. |
| * 2. Install a LayoutManager on the component if necessary. |
| * 3. Create/add any required sub-components to the component. |
| * 4. Create/install event listeners on the component. |
| * 5. Create/install a PropertyChangeListener on the component in order |
| * to detect and respond to component property changes appropriately. |
| * 6. Install keyboard UI (mnemonics, traversal, etc.) on the component. |
| * 7. Initialize any appropriate instance data. |
| */ |
| public void installUI(JComponent c) |
| { |
| // TODO: What to do here, if anything? |
| super.installUI(c); |
| } |
| |
| /** |
| * Reverses configuration which was done on the specified component during |
| * installUI. This method is invoked when this UIComponent instance is being |
| * removed as the UI delegate for the specified component. This method should |
| * undo the configuration performed in installUI, being careful to leave the |
| * JComponent instance in a clean state (no extraneous listeners, |
| * look-and-feel-specific property objects, etc.). This should include |
| * the following: |
| * 1. Remove any UI-set borders from the component. |
| * 2. Remove any UI-set layout managers on the component. |
| * 3. Remove any UI-added sub-components from the component. |
| * 4. Remove any UI-added event/property listeners from the component. |
| * 5. Remove any UI-installed keyboard UI from the component. |
| * 6. Nullify any allocated instance data objects to allow for GC. |
| */ |
| public void uninstallUI(JComponent c) |
| { |
| // TODO: What to do here? |
| super.uninstallUI(c); |
| } |
| |
| /** |
| * This function converts between the string passed into the client |
| * property and the internal representation (currently an int). |
| * |
| * @param lineStyleFlag - String representation |
| */ |
| protected void decodeLineStyle(Object lineStyleFlag) |
| throws NotImplementedException |
| { |
| // FIXME: not implemented |
| } |
| |
| /** |
| * Checks if the location is in expand control. |
| * |
| * @param row - current row |
| * @param rowLevel - current level |
| * @param mouseX - current x location of the mouse click |
| * @param mouseY - current y location of the mouse click |
| */ |
| protected boolean isLocationInExpandControl(int row, int rowLevel, |
| int mouseX, int mouseY) |
| { |
| return super.isLocationInExpandControl(tree.getPathForRow(row), |
| mouseX, mouseY); |
| } |
| |
| /** |
| * Paints the specified component appropriate for the look and feel. |
| * This method is invoked from the ComponentUI.update method when the |
| * specified component is being painted. Subclasses should override this |
| * method and use the specified Graphics object to render the content of |
| * the component. |
| * |
| * @param g - the current graphics configuration. |
| * @param c - the current component to draw |
| */ |
| public void paint(Graphics g, JComponent c) |
| { |
| // Calls BasicTreeUI's paint since it takes care of painting all |
| // types of icons. |
| super.paint(g, c); |
| } |
| |
| /** |
| * Paints the horizontal separators. |
| * |
| * @param g - the current graphics configuration. |
| * @param c - the current component to draw |
| */ |
| protected void paintHorizontalSeparators(Graphics g, JComponent c) |
| throws NotImplementedException |
| { |
| // FIXME: not implemented |
| } |
| |
| |
| /** |
| * Paints the vertical part of the leg. The receiver should NOT modify |
| * clipBounds, insets. |
| * |
| * @param g - the current graphics configuration. |
| * @param clipBounds - |
| * @param insets - |
| * @param path - the current path |
| */ |
| protected void paintVerticalPartOfLeg(Graphics g, Rectangle clipBounds, |
| Insets insets, TreePath path) |
| { |
| super.paintVerticalPartOfLeg(g, clipBounds, insets, path); |
| } |
| |
| /** |
| * Paints the horizontal part of the leg. The receiver should NOT \ |
| * modify clipBounds, or insets. |
| * NOTE: parentRow can be -1 if the root is not visible. |
| */ |
| protected void paintHorizontalPartOfLeg(Graphics g, Rectangle clipBounds, |
| Insets insets, Rectangle bounds, |
| TreePath path, int row, |
| boolean isExpanded, boolean hasBeenExpanded, |
| boolean isLeaf) |
| { |
| super.paintHorizontalPartOfLeg(g, clipBounds, insets, bounds, path, row, |
| isExpanded, hasBeenExpanded, isLeaf); |
| } |
| } |