Showing the changes to java/pkg/sun/awt/FocusingTextField.java (1 of 18352 files). Show all
Unified · Split
| @@ -0,0 +1,109 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (c) 1995, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package sun.awt; | ||
| 27 | |||
| 28 | import java.awt.*; | ||
| 29 | |||
| 30 | /** | ||
| 31 | * FocusingTextField: a subclass of java.awt.TextField that handles moving the | ||
| 32 | * input focus from field to field, as when the user hits 'return.' | ||
| 33 | * | ||
| 34 | * @author Herb Jellinek | ||
| 35 | */ | ||
| 36 | |||
| 37 | public class FocusingTextField extends TextField { | ||
| 38 | |||
| 39 | /** The field to move to on 'return' - can be null. */ | ||
| 40 | TextField next; | ||
| 41 | |||
| 42 | /** If true, select the contents of the field when it gets the focus. */ | ||
| 43 | boolean willSelect; | ||
| 44 | |||
| 45 | /** | ||
| 46 | * Create a FocusingTextField. | ||
| 47 | * @param cols number of columns of text. | ||
| 48 | */ | ||
| 49 | public FocusingTextField(int cols) { | ||
| 50 | super("", cols); | ||
| 51 | } | ||
| 52 | |||
| 53 | /** | ||
| 54 | * Create a FocusingTextField. | ||
| 55 | * @param cols number of columns of text. | ||
| 56 | * @param willSelect if true, will select all contents of field when | ||
| 57 | * focus is gained. | ||
| 58 | */ | ||
| 59 | public FocusingTextField(int cols, boolean willSelect) { | ||
| 60 | this(cols); | ||
| 61 | this.willSelect = willSelect; | ||
| 62 | } | ||
| 63 | |||
| 64 | public void setWillSelect(boolean will) { | ||
| 65 | willSelect = will; | ||
| 66 | } | ||
| 67 | |||
| 68 | public boolean getWillSelect() { | ||
| 69 | return willSelect; | ||
| 70 | } | ||
| 71 | |||
| 72 | /** | ||
| 73 | * Call this to set the next field to receive the input focus. | ||
| 74 | * @param next the next TextField in order - can be null. | ||
| 75 | */ | ||
| 76 | public void setNextField(TextField next) { | ||
| 77 | this.next = next; | ||
| 78 | } | ||
| 79 | |||
| 80 | /** | ||
| 81 | * We got the focus. If willSelect is true, select everything. | ||
| 82 | */ | ||
| 83 | public boolean gotFocus(Event e, Object arg) { | ||
| 84 | if (willSelect) { | ||
| 85 | select(0, getText().length()); | ||
| 86 | } | ||
| 87 | return true; | ||
| 88 | } | ||
| 89 | |||
| 90 | /** | ||
| 91 | * We lost the focus. If willSelect is true, deselect everything. | ||
| 92 | */ | ||
| 93 | public boolean lostFocus(Event e, Object arg) { | ||
| 94 | if (willSelect) { | ||
| 95 | select(0, 0); | ||
| 96 | } | ||
| 97 | return true; | ||
| 98 | } | ||
| 99 | |||
| 100 | /** | ||
| 101 | * Pass the focus to the next guy, if any. | ||
| 102 | */ | ||
| 103 | public void nextFocus() { | ||
| 104 | if (next != null) { | ||
| 105 | next.requestFocus(); | ||
| 106 | } | ||
| 107 | super.nextFocus(); | ||
| 108 | } | ||
| 109 | } | ||