| 1 | /* |
| 2 | * Jexer - Java Text User Interface |
| 3 | * |
| 4 | * License: LGPLv3 or later |
| 5 | * |
| 6 | * This module is licensed under the GNU Lesser General Public License |
| 7 | * Version 3. Please see the file "COPYING" in this directory for more |
| 8 | * information about the GNU Lesser General Public License Version 3. |
| 9 | * |
| 10 | * Copyright (C) 2015 Kevin Lamonte |
| 11 | * |
| 12 | * This program is free software; you can redistribute it and/or |
| 13 | * modify it under the terms of the GNU Lesser General Public License |
| 14 | * as published by the Free Software Foundation; either version 3 of |
| 15 | * the License, or (at your option) any later version. |
| 16 | * |
| 17 | * This program is distributed in the hope that it will be useful, but |
| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 20 | * General Public License for more details. |
| 21 | * |
| 22 | * You should have received a copy of the GNU Lesser General Public |
| 23 | * License along with this program; if not, see |
| 24 | * http://www.gnu.org/licenses/, or write to the Free Software |
| 25 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
| 26 | * 02110-1301 USA |
| 27 | * |
| 28 | * @author Kevin Lamonte [kevin.lamonte@gmail.com] |
| 29 | * @version 1 |
| 30 | */ |
| 31 | package jexer; |
| 32 | |
| 33 | import jexer.bits.CellAttributes; |
| 34 | import jexer.bits.GraphicsChars; |
| 35 | |
| 36 | /** |
| 37 | * TField implements an editable text field. |
| 38 | */ |
| 39 | public final class TPasswordField extends TField { |
| 40 | |
| 41 | /** |
| 42 | * Public constructor. |
| 43 | * |
| 44 | * @param parent parent widget |
| 45 | * @param x column relative to parent |
| 46 | * @param y row relative to parent |
| 47 | * @param width visible text width |
| 48 | * @param fixed if true, the text cannot exceed the display width |
| 49 | */ |
| 50 | public TPasswordField(final TWidget parent, final int x, final int y, |
| 51 | final int width, final boolean fixed) { |
| 52 | |
| 53 | this(parent, x, y, width, fixed, "", null, null); |
| 54 | } |
| 55 | |
| 56 | /** |
| 57 | * Public constructor. |
| 58 | * |
| 59 | * @param parent parent widget |
| 60 | * @param x column relative to parent |
| 61 | * @param y row relative to parent |
| 62 | * @param width visible text width |
| 63 | * @param fixed if true, the text cannot exceed the display width |
| 64 | * @param text initial text, default is empty string |
| 65 | */ |
| 66 | public TPasswordField(final TWidget parent, final int x, final int y, |
| 67 | final int width, final boolean fixed, final String text) { |
| 68 | |
| 69 | this(parent, x, y, width, fixed, text, null, null); |
| 70 | } |
| 71 | |
| 72 | /** |
| 73 | * Public constructor. |
| 74 | * |
| 75 | * @param parent parent widget |
| 76 | * @param x column relative to parent |
| 77 | * @param y row relative to parent |
| 78 | * @param width visible text width |
| 79 | * @param fixed if true, the text cannot exceed the display width |
| 80 | * @param text initial text, default is empty string |
| 81 | * @param enterAction function to call when enter key is pressed |
| 82 | * @param updateAction function to call when the text is updated |
| 83 | */ |
| 84 | public TPasswordField(final TWidget parent, final int x, final int y, |
| 85 | final int width, final boolean fixed, final String text, |
| 86 | final TAction enterAction, final TAction updateAction) { |
| 87 | |
| 88 | // Set parent and window |
| 89 | super(parent, x, y, width, fixed, text, enterAction, updateAction); |
| 90 | } |
| 91 | |
| 92 | /** |
| 93 | * Draw the text field. |
| 94 | */ |
| 95 | @Override |
| 96 | public void draw() { |
| 97 | CellAttributes fieldColor; |
| 98 | |
| 99 | boolean showStars = false; |
| 100 | if (isAbsoluteActive()) { |
| 101 | fieldColor = getTheme().getColor("tfield.active"); |
| 102 | } else { |
| 103 | fieldColor = getTheme().getColor("tfield.inactive"); |
| 104 | showStars = true; |
| 105 | } |
| 106 | |
| 107 | int end = windowStart + getWidth(); |
| 108 | if (end > text.length()) { |
| 109 | end = text.length(); |
| 110 | } |
| 111 | |
| 112 | getScreen().hLineXY(0, 0, getWidth(), GraphicsChars.HATCH, fieldColor); |
| 113 | if (showStars) { |
| 114 | getScreen().hLineXY(0, 0, getWidth() - 2, '*', |
| 115 | fieldColor); |
| 116 | } else { |
| 117 | getScreen().putStringXY(0, 0, text.substring(windowStart, end), |
| 118 | fieldColor); |
| 119 | } |
| 120 | |
| 121 | // Fix the cursor, it will be rendered by TApplication.drawAll(). |
| 122 | updateCursor(); |
| 123 | } |
| 124 | |
| 125 | } |