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Tom Tromey
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352
libjava/classpath/javax/swing/plaf/multi/MultiButtonUI.java
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352
libjava/classpath/javax/swing/plaf/multi/MultiButtonUI.java
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/* MultiButtonUI.java --
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Copyright (C) 2005 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.swing.plaf.multi;
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import java.awt.Dimension;
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import java.awt.Graphics;
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import java.util.Iterator;
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import java.util.Vector;
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import javax.accessibility.Accessible;
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import javax.swing.JComponent;
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import javax.swing.LookAndFeel;
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import javax.swing.UIManager;
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import javax.swing.plaf.ButtonUI;
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import javax.swing.plaf.ComponentUI;
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/**
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* A UI delegate that that coordinates multiple {@link ButtonUI} instances, one
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* from the primary look and feel, and one or more from the auxiliary look and
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* feel(s).
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*
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* @see UIManager#addAuxiliaryLookAndFeel(LookAndFeel)
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*/
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public class MultiButtonUI extends ButtonUI
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{
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/** A list of references to the actual component UIs. */
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protected Vector uis;
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/**
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* Creates a new <code>MultiButtonUI</code> instance.
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*
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* @see #createUI(JComponent)
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*/
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public MultiButtonUI()
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{
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uis = new Vector();
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}
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/**
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* Creates a delegate object for the specified component. If any auxiliary
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* look and feels support this component, a <code>MultiButtonUI</code> is
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* returned, otherwise the UI from the default look and feel is returned.
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*
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* @param target the component.
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*
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* @see MultiLookAndFeel#createUIs(ComponentUI, Vector, JComponent)
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*/
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public static ComponentUI createUI(JComponent target)
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{
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MultiButtonUI mui = new MultiButtonUI();
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return MultiLookAndFeel.createUIs(mui, mui.uis, target);
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}
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/**
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* Calls the {@link ComponentUI#installUI(JComponent)} method for all
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* the UI delegates managed by this <code>MultiButtonUI</code>.
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*
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* @param c the component.
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*/
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public void installUI(JComponent c)
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{
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Iterator iterator = uis.iterator();
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while (iterator.hasNext())
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{
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ComponentUI ui = (ComponentUI) iterator.next();
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ui.installUI(c);
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}
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}
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/**
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* Calls the {@link ComponentUI#uninstallUI(JComponent)} method for all
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* the UI delegates managed by this <code>MultiButtonUI</code>.
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*
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* @param c the component.
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*/
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public void uninstallUI(JComponent c)
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{
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Iterator iterator = uis.iterator();
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while (iterator.hasNext())
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{
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ComponentUI ui = (ComponentUI) iterator.next();
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ui.uninstallUI(c);
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}
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}
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/**
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* Returns an array containing the UI delegates managed by this
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* <code>MultiButtonUI</code>. The first item in the array is always
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* the UI delegate from the installed default look and feel.
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*
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* @return An array of UI delegates.
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*/
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public ComponentUI[] getUIs()
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{
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return MultiLookAndFeel.uisToArray(uis);
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}
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/**
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* Calls the {@link ComponentUI#contains(JComponent, int, int)} method for all
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* the UI delegates managed by this <code>MultiButtonUI</code>,
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* returning the result for the UI delegate from the primary look and
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* feel.
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*
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* @param c the component.
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* @param x the x-coordinate.
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* @param y the y-coordinate.
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*
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* @return <code>true</code> if the specified (x, y) coordinate falls within
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* the bounds of the component as rendered by the UI delegate in the
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* primary look and feel, and <code>false</code> otherwise.
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*/
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public boolean contains(JComponent c, int x, int y)
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{
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boolean result = false;
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Iterator iterator = uis.iterator();
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// first UI delegate provides the return value
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if (iterator.hasNext())
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{
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ComponentUI ui = (ComponentUI) iterator.next();
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result = ui.contains(c, x, y);
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}
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// return values from auxiliary UI delegates are ignored
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while (iterator.hasNext())
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{
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ComponentUI ui = (ComponentUI) iterator.next();
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/* boolean ignored = */ ui.contains(c, x, y);
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}
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return result;
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}
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/**
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* Calls the {@link ComponentUI#update(Graphics, JComponent)} method for all
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* the UI delegates managed by this <code>MultiButtonUI</code>.
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*
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* @param g the graphics device.
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* @param c the component.
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*/
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public void update(Graphics g, JComponent c)
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{
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Iterator iterator = uis.iterator();
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while (iterator.hasNext())
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{
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ComponentUI ui = (ComponentUI) iterator.next();
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ui.update(g, c);
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}
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}
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/**
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* Calls the <code>paint(Graphics, JComponent)</code> method for all the UI
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* delegates managed by this <code>MultiButtonUI</code>.
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*
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* @param g the graphics device.
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* @param c the component.
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*/
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public void paint(Graphics g, JComponent c)
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{
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Iterator iterator = uis.iterator();
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while (iterator.hasNext())
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{
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ComponentUI ui = (ComponentUI) iterator.next();
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ui.paint(g, c);
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}
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}
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/**
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* Calls the {@link ComponentUI#getPreferredSize(JComponent)} method for all
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* the UI delegates managed by this <code>MultiButtonUI</code>,
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* returning the preferred size for the UI delegate from the primary look and
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* feel.
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*
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* @param c the component.
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*
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* @return The preferred size returned by the UI delegate from the primary
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* look and feel.
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*/
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public Dimension getPreferredSize(JComponent c)
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{
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Dimension result = null;
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Iterator iterator = uis.iterator();
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// first UI delegate provides the return value
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if (iterator.hasNext())
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{
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ComponentUI ui = (ComponentUI) iterator.next();
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result = ui.getPreferredSize(c);
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}
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// return values from auxiliary UI delegates are ignored
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while (iterator.hasNext())
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{
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ComponentUI ui = (ComponentUI) iterator.next();
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/* Dimension ignored = */ ui.getPreferredSize(c);
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}
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return result;
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}
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/**
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* Calls the {@link ComponentUI#getMinimumSize(JComponent)} method for all
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* the UI delegates managed by this <code>MultiButtonUI</code>,
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* returning the minimum size for the UI delegate from the primary look and
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* feel.
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*
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* @param c the component.
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*
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* @return The minimum size returned by the UI delegate from the primary
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* look and feel.
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*/
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public Dimension getMinimumSize(JComponent c)
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{
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Dimension result = null;
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Iterator iterator = uis.iterator();
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// first UI delegate provides the return value
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if (iterator.hasNext())
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{
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ComponentUI ui = (ComponentUI) iterator.next();
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result = ui.getMinimumSize(c);
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}
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// return values from auxiliary UI delegates are ignored
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while (iterator.hasNext())
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{
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ComponentUI ui = (ComponentUI) iterator.next();
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/* Dimension ignored = */ ui.getMinimumSize(c);
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}
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return result;
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}
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/**
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* Calls the {@link ComponentUI#getMaximumSize(JComponent)} method for all
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* the UI delegates managed by this <code>MultiButtonUI</code>,
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* returning the maximum size for the UI delegate from the primary look and
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* feel.
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*
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* @param c the component.
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*
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* @return The maximum size returned by the UI delegate from the primary
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* look and feel.
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*/
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public Dimension getMaximumSize(JComponent c)
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{
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Dimension result = null;
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Iterator iterator = uis.iterator();
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// first UI delegate provides the return value
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if (iterator.hasNext())
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{
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ComponentUI ui = (ComponentUI) iterator.next();
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result = ui.getMaximumSize(c);
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}
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// return values from auxiliary UI delegates are ignored
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while (iterator.hasNext())
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{
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ComponentUI ui = (ComponentUI) iterator.next();
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/* Dimension ignored = */ ui.getMaximumSize(c);
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}
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return result;
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}
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/**
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* Calls the {@link ComponentUI#getAccessibleChildrenCount(JComponent)} method
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* for all the UI delegates managed by this <code>MultiButtonUI</code>,
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* returning the count for the UI delegate from the primary look and
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* feel.
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*
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* @param c the component.
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*
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* @return The count returned by the UI delegate from the primary
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* look and feel.
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*/
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public int getAccessibleChildrenCount(JComponent c)
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{
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int result = 0;
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Iterator iterator = uis.iterator();
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// first UI delegate provides the return value
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if (iterator.hasNext())
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{
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ComponentUI ui = (ComponentUI) iterator.next();
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result = ui.getAccessibleChildrenCount(c);
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}
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// return values from auxiliary UI delegates are ignored
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while (iterator.hasNext())
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{
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ComponentUI ui = (ComponentUI) iterator.next();
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/* int ignored = */ ui.getAccessibleChildrenCount(c);
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}
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return result;
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}
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/**
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* Calls the {@link ComponentUI#getAccessibleChild(JComponent, int)} method
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* for all the UI delegates managed by this <code>MultiButtonUI</code>,
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* returning the child for the UI delegate from the primary look and
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* feel.
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*
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* @param c the component
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* @param i the child index.
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*
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* @return The child returned by the UI delegate from the primary
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* look and feel.
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*/
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public Accessible getAccessibleChild(JComponent c, int i)
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{
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Accessible result = null;
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Iterator iterator = uis.iterator();
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// first UI delegate provides the return value
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if (iterator.hasNext())
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{
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ComponentUI ui = (ComponentUI) iterator.next();
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result = ui.getAccessibleChild(c, i);
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}
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// return values from auxiliary UI delegates are ignored
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while (iterator.hasNext())
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{
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ComponentUI ui = (ComponentUI) iterator.next();
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/* Accessible ignored = */ ui.getAccessibleChild(c, i);
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}
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return result;
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}
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}
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