| /* |
| * Copyright 1995 Sun Microsystems, Inc. All Rights Reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun in the LICENSE file that accompanied this code. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| |
| package sun.awt; |
| |
| import java.awt.*; |
| |
| /** |
| * FocusingTextField: a subclass of java.awt.TextField that handles moving the |
| * input focus from field to field, as when the user hits 'return.' |
| * |
| * @author Herb Jellinek |
| */ |
| |
| public class FocusingTextField extends TextField { |
| |
| /** The field to move to on 'return' - can be null. */ |
| TextField next; |
| |
| /** If true, select the contents of the field when it gets the focus. */ |
| boolean willSelect; |
| |
| /** |
| * Create a FocusingTextField. |
| * @param cols number of columns of text. |
| */ |
| public FocusingTextField(int cols) { |
| super("", cols); |
| } |
| |
| /** |
| * Create a FocusingTextField. |
| * @param cols number of columns of text. |
| * @param willSelect if true, will select all contents of field when |
| * focus is gained. |
| */ |
| public FocusingTextField(int cols, boolean willSelect) { |
| this(cols); |
| this.willSelect = willSelect; |
| } |
| |
| public void setWillSelect(boolean will) { |
| willSelect = will; |
| } |
| |
| public boolean getWillSelect() { |
| return willSelect; |
| } |
| |
| /** |
| * Call this to set the next field to receive the input focus. |
| * @param next the next TextField in order - can be null. |
| */ |
| public void setNextField(TextField next) { |
| this.next = next; |
| } |
| |
| /** |
| * We got the focus. If willSelect is true, select everything. |
| */ |
| public boolean gotFocus(Event e, Object arg) { |
| if (willSelect) { |
| select(0, getText().length()); |
| } |
| return true; |
| } |
| |
| /** |
| * We lost the focus. If willSelect is true, deselect everything. |
| */ |
| public boolean lostFocus(Event e, Object arg) { |
| if (willSelect) { |
| select(0, 0); |
| } |
| return true; |
| } |
| |
| /** |
| * Pass the focus to the next guy, if any. |
| */ |
| public void nextFocus() { |
| if (next != null) { |
| next.requestFocus(); |
| } |
| super.nextFocus(); |
| } |
| } |