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Diffstat (limited to 'libjava/classpath/javax/swing/text/TextAction.java')
-rw-r--r-- | libjava/classpath/javax/swing/text/TextAction.java | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/libjava/classpath/javax/swing/text/TextAction.java b/libjava/classpath/javax/swing/text/TextAction.java new file mode 100644 index 0000000..8588e3c --- /dev/null +++ b/libjava/classpath/javax/swing/text/TextAction.java @@ -0,0 +1,111 @@ +/* TextAction.java -- + Copyright (C) 2002, 2004 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.text; + +import java.awt.event.ActionEvent; +import java.util.ArrayList; +import java.util.HashSet; + +import javax.swing.AbstractAction; +import javax.swing.Action; + +/** + * TextAction + * @author Andrew Selkirk + */ +public abstract class TextAction extends AbstractAction +{ + /** + * Constructor TextAction + * @param name TODO + */ + public TextAction(String name) + { + super(name); + } + + /** + * Returns the <code>JTextComponent</code> object associated with the given + * <code>ActionEvent</code>. If the source of the event is not a + * <code>JTextComponent</code> the currently focused text component is returned. + * + * @param event the action event + * + * @return the <code>JTextComponent</code> + */ + protected final JTextComponent getTextComponent(ActionEvent event) + { + if (event.getSource() instanceof JTextComponent) + return (JTextComponent) event.getSource(); + + return getFocusedComponent(); + } + + /** + * Creates a new array of <code>Action</code> containing both given arrays. + * + * @param list1 the first action array + * @param list2 the second action array + * + * @return the augmented array of actions + */ + public static final Action[] augmentList(Action[] list1, Action[] list2) + { + HashSet actionSet = new HashSet(); + + for (int i = 0; i < list1.length; ++i) + actionSet.add(list1[i]); + + for (int i = 0; i < list2.length; ++i) + actionSet.add(list2[i]); + + ArrayList list = new ArrayList(actionSet); + return (Action[]) list.toArray(new Action[actionSet.size()]); + } + + /** + * Returns the current focused <code>JTextComponent</code> object. + * + * @return the <code>JTextComponent</code> + */ + protected final JTextComponent getFocusedComponent() + { + return null; // TODO + } +} |