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138 lines
3.2 KiB
Java
138 lines
3.2 KiB
Java
/* ButtonGroup.java --
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Copyright (C) 2002 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., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 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;
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import java.io.*;
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import java.util.*;
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import javax.swing.event.*;
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public class ButtonGroup implements Serializable
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{
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Vector v = new Vector();
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ButtonModel sel;
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public ButtonGroup() {}
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public void add(AbstractButton b)
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{
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b.getModel().setGroup(this);
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v.addElement(b);
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}
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public void remove(AbstractButton b)
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{
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b.getModel().setGroup(null);
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v.removeElement(b);
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}
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public Enumeration getElements() {
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return v.elements();
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}
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public ButtonModel getSelection() {
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return sel;
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}
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AbstractButton FindButton(ButtonModel m)
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{
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for (int i=0;i<v.size();i++)
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{
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AbstractButton a = (AbstractButton) v.get(i);
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if (a.getModel()== m)
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{
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return a;
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}
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}
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return null;
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}
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public void setSelected(ButtonModel m, boolean b)
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{
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if ((m == sel) &&
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(b == true))
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{
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// clicked on sam item twice.
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System.out.println("PRESSED TWICE:" + m + ", sel="+sel);
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return;
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}
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if (sel != null)
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{
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System.out.println("DESELECTING: " + sel);
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sel.setSelected(!b);
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AbstractButton but = FindButton(sel);
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if (but != null)
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{
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System.out.println("REPAINT-REQUIST: " + but.text);
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//but.revalidate();
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but.repaint();
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}
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}
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else
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{
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System.out.println("NO SELECTION YET");
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}
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sel = m;
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}
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public boolean isSelected(ButtonModel m)
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{
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return (m == sel);
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}
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public int getButtonCount()
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{
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return v.size();
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}
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}
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