| 1 | /** |
| 2 | * Jexer - Java Text User Interface |
| 3 | * |
| 4 | * Version: $Id$ |
| 5 | * |
| 6 | * Author: Kevin Lamonte, <a href="mailto:kevin.lamonte@gmail.com">kevin.lamonte@gmail.com</a> |
| 7 | * |
| 8 | * License: LGPLv3 or later |
| 9 | * |
| 10 | * Copyright: This module is licensed under the GNU Lesser General |
| 11 | * Public License Version 3. Please see the file "COPYING" in this |
| 12 | * directory for more information about the GNU Lesser General Public |
| 13 | * License Version 3. |
| 14 | * |
| 15 | * Copyright (C) 2015 Kevin Lamonte |
| 16 | * |
| 17 | * This program is free software; you can redistribute it and/or |
| 18 | * modify it under the terms of the GNU Lesser General Public License |
| 19 | * as published by the Free Software Foundation; either version 3 of |
| 20 | * the License, or (at your option) any later version. |
| 21 | * |
| 22 | * This program is distributed in the hope that it will be useful, but |
| 23 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 24 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 25 | * General Public License for more details. |
| 26 | * |
| 27 | * You should have received a copy of the GNU Lesser General Public |
| 28 | * License along with this program; if not, see |
| 29 | * http://www.gnu.org/licenses/, or write to the Free Software |
| 30 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
| 31 | * 02110-1301 USA |
| 32 | */ |
| 33 | package jexer.bits; |
| 34 | |
| 35 | /** |
| 36 | * A single text cell on the screen |
| 37 | */ |
| 38 | public class Cell extends CellAttributes { |
| 39 | |
| 40 | /** |
| 41 | * The character at this cell |
| 42 | */ |
| 43 | public char ch; |
| 44 | |
| 45 | /** |
| 46 | * Reset this cell to a blank |
| 47 | */ |
| 48 | @Override |
| 49 | public void reset() { |
| 50 | super.reset(); |
| 51 | ch = ' '; |
| 52 | } |
| 53 | |
| 54 | /** |
| 55 | * Returns true if this cell has default attributes |
| 56 | */ |
| 57 | public boolean isBlank() { |
| 58 | if ((foreColor.equals(Color.WHITE)) && |
| 59 | (backColor.equals(Color.BLACK)) && |
| 60 | (bold == false) && |
| 61 | (blink == false) && |
| 62 | (reverse == false) && |
| 63 | (underline == false) && |
| 64 | (protect == false) && |
| 65 | (ch == ' ')) { |
| 66 | return true; |
| 67 | } |
| 68 | |
| 69 | return false; |
| 70 | } |
| 71 | |
| 72 | /** |
| 73 | * Comparison. All fields must match to return true. |
| 74 | */ |
| 75 | @Override |
| 76 | public boolean equals(Object rhs) { |
| 77 | if (!(rhs instanceof Cell)) { |
| 78 | return false; |
| 79 | } |
| 80 | |
| 81 | Cell that = (Cell)rhs; |
| 82 | return (super.equals(rhs) && |
| 83 | (ch == that.ch)); |
| 84 | } |
| 85 | |
| 86 | /** |
| 87 | * Set my field values to that's field |
| 88 | */ |
| 89 | @Override |
| 90 | public void setTo(Object rhs) { |
| 91 | CellAttributes thatAttr = (CellAttributes)rhs; |
| 92 | super.setTo(thatAttr); |
| 93 | |
| 94 | if (rhs instanceof Cell) { |
| 95 | Cell that = (Cell)rhs; |
| 96 | this.ch = that.ch; |
| 97 | } |
| 98 | } |
| 99 | |
| 100 | /** |
| 101 | * Set my field attr values to that's field |
| 102 | */ |
| 103 | public void setAttr(CellAttributes that) { |
| 104 | super.setTo(that); |
| 105 | } |
| 106 | |
| 107 | /** |
| 108 | * Public constructor |
| 109 | */ |
| 110 | public Cell() { |
| 111 | reset(); |
| 112 | } |
| 113 | |
| 114 | /** |
| 115 | * Public constructor |
| 116 | * |
| 117 | * @param ch character to set to |
| 118 | */ |
| 119 | public Cell(char ch) { |
| 120 | reset(); |
| 121 | this.ch = ch; |
| 122 | } |
| 123 | |
| 124 | /** |
| 125 | * Make human-readable description of this Cell |
| 126 | */ |
| 127 | @Override |
| 128 | public String toString() { |
| 129 | return String.format("fore: %d back: %d bold: %s blink: %s ch %c", |
| 130 | foreColor, backColor, bold, blink, ch); |
| 131 | } |
| 132 | } |
| 133 | |