зеркало из https://github.com/mozilla/pjs.git
86 строки
2.5 KiB
Java
86 строки
2.5 KiB
Java
/* -*- Mode: java; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Mozilla Public License
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* Version 1.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
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* the License for the specific language governing rights and limitations
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* under the License.
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*
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* The Original Code is the Grendel mail/news client.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are Copyright (C) 1997
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* Netscape Communications Corporation. All Rights Reserved.
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*
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* Created: Will Scullin <scullin@netscape.com>, 18 Sep 1997.
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*/
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package grendel.widgets;
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public class TreeTableModelBroadcaster implements TreeTableModelListener {
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TreeTableModelListener a, b;
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public TreeTableModelBroadcaster(TreeTableModelListener a, TreeTableModelListener b) {
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this.a = a;
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this.b = b;
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}
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public static TreeTableModelListener add(TreeTableModelListener a, TreeTableModelListener b) {
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if (a == null) return b;
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if (b == null) return a;
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return new TreeTableModelBroadcaster(a, b);
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}
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public static TreeTableModelListener remove(TreeTableModelListener a, TreeTableModelListener b) {
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if (a == b || a == null) {
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return null;
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} else if (a instanceof TreeTableModelBroadcaster) {
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return ((TreeTableModelBroadcaster)a).remove(b);
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} else {
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return a; // it's not here
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}
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}
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public TreeTableModelListener remove(TreeTableModelListener c) {
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if (c == a) return b;
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if (c == b) return a;
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TreeTableModelListener a2 = remove(a, c);
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TreeTableModelListener b2 = remove(b, c);
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if (a2 == a && b2 == b) {
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return this; // it's not here
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}
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return add(a2, b2);
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}
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public void nodeExpanded(TreeTableModelEvent aEvent) {
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a.nodeExpanded(aEvent);
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b.nodeExpanded(aEvent);
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}
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public void nodeCollapsed(TreeTableModelEvent aEvent) {
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a.nodeCollapsed(aEvent);
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b.nodeCollapsed(aEvent);
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}
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public void nodeInserted(TreeTableModelEvent aEvent) {
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a.nodeInserted(aEvent);
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b.nodeInserted(aEvent);
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}
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public void nodeDeleted(TreeTableModelEvent aEvent) {
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a.nodeDeleted(aEvent);
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b.nodeDeleted(aEvent);
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}
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public void nodeChanged(TreeTableModelEvent aEvent) {
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a.nodeChanged(aEvent);
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b.nodeChanged(aEvent);
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}
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}
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