/libjava/classpath/javax/swing/plaf/multi/MultiPanelUI.java
Java | 352 lines | 160 code | 19 blank | 173 comment | 16 complexity | eca3f4b6ebcd2d2040031ae538d7c83b MD5 | raw file
- /* MultiPanelUI.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.multi;
- import java.awt.Dimension;
- import java.awt.Graphics;
- import java.util.Iterator;
- import java.util.Vector;
- import javax.accessibility.Accessible;
- import javax.swing.JComponent;
- import javax.swing.LookAndFeel;
- import javax.swing.UIManager;
- import javax.swing.plaf.ComponentUI;
- import javax.swing.plaf.PanelUI;
- /**
- * A UI delegate that that coordinates multiple {@link PanelUI}
- * instances, one from the primary look and feel, and one or more from the
- * auxiliary look and feel(s).
- *
- * @see UIManager#addAuxiliaryLookAndFeel(LookAndFeel)
- */
- public class MultiPanelUI extends PanelUI
- {
- /** A list of references to the actual component UIs. */
- protected Vector uis;
- /**
- * Creates a new <code>MultiPanelUI</code> instance.
- *
- * @see #createUI(JComponent)
- */
- public MultiPanelUI()
- {
- uis = new Vector();
- }
- /**
- * Creates a delegate object for the specified component. If any auxiliary
- * look and feels support this component, a <code>MultiPanelUI</code> is
- * returned, otherwise the UI from the default look and feel is returned.
- *
- * @param target the component.
- *
- * @see MultiLookAndFeel#createUIs(ComponentUI, Vector, JComponent)
- */
- public static ComponentUI createUI(JComponent target)
- {
- MultiPanelUI mui = new MultiPanelUI();
- return MultiLookAndFeel.createUIs(mui, mui.uis, target);
- }
- /**
- * Calls the {@link ComponentUI#installUI(JComponent)} method for all
- * the UI delegates managed by this <code>MultiPanelUI</code>.
- *
- * @param c the component.
- */
- public void installUI(JComponent c)
- {
- Iterator iterator = uis.iterator();
- while (iterator.hasNext())
- {
- ComponentUI ui = (ComponentUI) iterator.next();
- ui.installUI(c);
- }
- }
- /**
- * Calls the {@link ComponentUI#uninstallUI(JComponent)} method for all
- * the UI delegates managed by this <code>MultiPanelUI</code>.
- *
- * @param c the component.
- */
- public void uninstallUI(JComponent c)
- {
- Iterator iterator = uis.iterator();
- while (iterator.hasNext())
- {
- ComponentUI ui = (ComponentUI) iterator.next();
- ui.uninstallUI(c);
- }
- }
- /**
- * Returns an array containing the UI delegates managed by this
- * <code>MultiPanelUI</code>. The first item in the array is always
- * the UI delegate from the installed default look and feel.
- *
- * @return An array of UI delegates.
- */
- public ComponentUI[] getUIs()
- {
- return MultiLookAndFeel.uisToArray(uis);
- }
- /**
- * Calls the {@link ComponentUI#contains(JComponent, int, int)} method for all
- * the UI delegates managed by this <code>MultiPanelUI</code>,
- * returning the result for the UI delegate from the primary look and
- * feel.
- *
- * @param c the component.
- * @param x the x-coordinate.
- * @param y the y-coordinate.
- *
- * @return <code>true</code> if the specified (x, y) coordinate falls within
- * the bounds of the component as rendered by the UI delegate in the
- * primary look and feel, and <code>false</code> otherwise.
- */
- public boolean contains(JComponent c, int x, int y)
- {
- boolean result = false;
- Iterator iterator = uis.iterator();
- // first UI delegate provides the return value
- if (iterator.hasNext())
- {
- ComponentUI ui = (ComponentUI) iterator.next();
- result = ui.contains(c, x, y);
- }
- // return values from auxiliary UI delegates are ignored
- while (iterator.hasNext())
- {
- ComponentUI ui = (ComponentUI) iterator.next();
- /* boolean ignored = */ ui.contains(c, x, y);
- }
- return result;
- }
- /**
- * Calls the {@link ComponentUI#update(Graphics, JComponent)} method for all
- * the UI delegates managed by this <code>MultiPanelUI</code>.
- *
- * @param g the graphics device.
- * @param c the component.
- */
- public void update(Graphics g, JComponent c)
- {
- Iterator iterator = uis.iterator();
- while (iterator.hasNext())
- {
- ComponentUI ui = (ComponentUI) iterator.next();
- ui.update(g, c);
- }
- }
- /**
- * Calls the <code>paint(Graphics, JComponent)</code> method for all the UI
- * delegates managed by this <code>MultiPanelUI</code>.
- *
- * @param g the graphics device.
- * @param c the component.
- */
- public void paint(Graphics g, JComponent c)
- {
- Iterator iterator = uis.iterator();
- while (iterator.hasNext())
- {
- ComponentUI ui = (ComponentUI) iterator.next();
- ui.paint(g, c);
- }
- }
- /**
- * Calls the {@link ComponentUI#getPreferredSize(JComponent)} method for all
- * the UI delegates managed by this <code>MultiPanelUI</code>,
- * returning the preferred size for the UI delegate from the primary look and
- * feel.
- *
- * @param c the component.
- *
- * @return The preferred size returned by the UI delegate from the primary
- * look and feel.
- */
- public Dimension getPreferredSize(JComponent c)
- {
- Dimension result = null;
- Iterator iterator = uis.iterator();
- // first UI delegate provides the return value
- if (iterator.hasNext())
- {
- ComponentUI ui = (ComponentUI) iterator.next();
- result = ui.getPreferredSize(c);
- }
- // return values from auxiliary UI delegates are ignored
- while (iterator.hasNext())
- {
- ComponentUI ui = (ComponentUI) iterator.next();
- /* Dimension ignored = */ ui.getPreferredSize(c);
- }
- return result;
- }
- /**
- * Calls the {@link ComponentUI#getMinimumSize(JComponent)} method for all
- * the UI delegates managed by this <code>MultiPanelUI</code>,
- * returning the minimum size for the UI delegate from the primary look and
- * feel.
- *
- * @param c the component.
- *
- * @return The minimum size returned by the UI delegate from the primary
- * look and feel.
- */
- public Dimension getMinimumSize(JComponent c)
- {
- Dimension result = null;
- Iterator iterator = uis.iterator();
- // first UI delegate provides the return value
- if (iterator.hasNext())
- {
- ComponentUI ui = (ComponentUI) iterator.next();
- result = ui.getMinimumSize(c);
- }
- // return values from auxiliary UI delegates are ignored
- while (iterator.hasNext())
- {
- ComponentUI ui = (ComponentUI) iterator.next();
- /* Dimension ignored = */ ui.getMinimumSize(c);
- }
- return result;
- }
- /**
- * Calls the {@link ComponentUI#getMaximumSize(JComponent)} method for all
- * the UI delegates managed by this <code>MultiPanelUI</code>,
- * returning the maximum size for the UI delegate from the primary look and
- * feel.
- *
- * @param c the component.
- *
- * @return The maximum size returned by the UI delegate from the primary
- * look and feel.
- */
- public Dimension getMaximumSize(JComponent c)
- {
- Dimension result = null;
- Iterator iterator = uis.iterator();
- // first UI delegate provides the return value
- if (iterator.hasNext())
- {
- ComponentUI ui = (ComponentUI) iterator.next();
- result = ui.getMaximumSize(c);
- }
- // return values from auxiliary UI delegates are ignored
- while (iterator.hasNext())
- {
- ComponentUI ui = (ComponentUI) iterator.next();
- /* Dimension ignored = */ ui.getMaximumSize(c);
- }
- return result;
- }
- /**
- * Calls the {@link ComponentUI#getAccessibleChildrenCount(JComponent)} method
- * for all the UI delegates managed by this <code>MultiPanelUI</code>,
- * returning the count for the UI delegate from the primary look and
- * feel.
- *
- * @param c the component.
- *
- * @return The count returned by the UI delegate from the primary
- * look and feel.
- */
- public int getAccessibleChildrenCount(JComponent c)
- {
- int result = 0;
- Iterator iterator = uis.iterator();
- // first UI delegate provides the return value
- if (iterator.hasNext())
- {
- ComponentUI ui = (ComponentUI) iterator.next();
- result = ui.getAccessibleChildrenCount(c);
- }
- // return values from auxiliary UI delegates are ignored
- while (iterator.hasNext())
- {
- ComponentUI ui = (ComponentUI) iterator.next();
- /* int ignored = */ ui.getAccessibleChildrenCount(c);
- }
- return result;
- }
- /**
- * Calls the {@link ComponentUI#getAccessibleChild(JComponent, int)} method
- * for all the UI delegates managed by this <code>MultiPanelUI</code>,
- * returning the child for the UI delegate from the primary look and
- * feel.
- *
- * @param c the component
- * @param i the child index.
- *
- * @return The child returned by the UI delegate from the primary
- * look and feel.
- */
- public Accessible getAccessibleChild(JComponent c, int i)
- {
- Accessible result = null;
- Iterator iterator = uis.iterator();
- // first UI delegate provides the return value
- if (iterator.hasNext())
- {
- ComponentUI ui = (ComponentUI) iterator.next();
- result = ui.getAccessibleChild(c, i);
- }
- // return values from auxiliary UI delegates are ignored
- while (iterator.hasNext())
- {
- ComponentUI ui = (ComponentUI) iterator.next();
- /* Accessible ignored = */ ui.getAccessibleChild(c, i);
- }
- return result;
- }
- }