[1575] | 1 | <?php |
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| 2 | /** |
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| 3 | * DOMPDF - PHP5 HTML to PDF renderer |
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| 4 | * |
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| 5 | * File: $RCSfile: cellmap.cls.php,v $ |
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| 6 | * Created on: 2004-07-28 |
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| 7 | * |
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| 8 | * Copyright (c) 2004 - Benj Carson <benjcarson@digitaljunkies.ca> |
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| 9 | * |
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| 10 | * This library is free software; you can redistribute it and/or |
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| 11 | * modify it under the terms of the GNU Lesser General Public |
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| 12 | * License as published by the Free Software Foundation; either |
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| 13 | * version 2.1 of the License, or (at your option) any later version. |
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| 14 | * |
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| 15 | * This library is distributed in the hope that it will be useful, |
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| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 18 | * Lesser General Public License for more details. |
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| 19 | * |
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| 20 | * You should have received a copy of the GNU Lesser General Public License |
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| 21 | * along with this library in the file LICENSE.LGPL; if not, write to the |
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| 22 | * Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
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| 23 | * 02111-1307 USA |
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| 24 | * |
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| 25 | * Alternatively, you may distribute this software under the terms of the |
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| 26 | * PHP License, version 3.0 or later. A copy of this license should have |
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| 27 | * been distributed with this file in the file LICENSE.PHP . If this is not |
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| 28 | * the case, you can obtain a copy at http://www.php.net/license/3_0.txt. |
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| 29 | * |
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| 30 | * The latest version of DOMPDF might be available at: |
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| 31 | * http://www.digitaljunkies.ca/dompdf |
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| 32 | * |
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| 33 | * @link http://www.digitaljunkies.ca/dompdf |
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| 34 | * @copyright 2004 Benj Carson |
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| 35 | * @author Benj Carson <benjcarson@digitaljunkies.ca> |
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| 36 | * @package dompdf |
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| 37 | * @version 0.5.1 |
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| 38 | */ |
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| 39 | |
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| 40 | /* $Id: cellmap.cls.php,v 1.12 2006/07/07 21:31:03 benjcarson Exp $ */ |
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| 41 | |
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| 42 | /** |
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| 43 | * Maps table cells to the table grid. |
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| 44 | * |
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| 45 | * This class resolves borders in tables with collapsed borders and helps |
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| 46 | * place row & column spanned table cells. |
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| 47 | * |
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| 48 | * @access private |
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| 49 | * @package dompdf |
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| 50 | */ |
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| 51 | class Cellmap { |
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| 52 | |
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| 53 | /** |
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| 54 | * Border style weight lookup for collapsed border resolution. |
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| 55 | * |
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| 56 | * @var array |
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| 57 | */ |
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| 58 | static protected $_BORDER_STYLE_SCORE = array("inset" => 1, |
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| 59 | "groove" => 2, |
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| 60 | "outset" => 3, |
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| 61 | "ridge" => 4, |
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| 62 | "dotted" => 5, |
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| 63 | "dashed" => 6, |
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| 64 | "solid" => 7, |
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| 65 | "double" => 8, |
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| 66 | "none" => 0); |
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| 67 | |
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| 68 | /** |
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| 69 | * The table object this cellmap is attached to. |
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| 70 | * |
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| 71 | * @var Table_Frame_Decorator |
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| 72 | */ |
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| 73 | protected $_table; |
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| 74 | |
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| 75 | /** |
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| 76 | * The total number of rows in the table |
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| 77 | * |
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| 78 | * @var int |
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| 79 | */ |
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| 80 | protected $_num_rows; |
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| 81 | |
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| 82 | /** |
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| 83 | * The total number of columns in the table |
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| 84 | * |
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| 85 | * @var int |
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| 86 | */ |
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| 87 | protected $_num_cols; |
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| 88 | |
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| 89 | /** |
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| 90 | * 2D array mapping <row,column> to frames |
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| 91 | * |
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| 92 | * @var array |
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| 93 | */ |
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| 94 | protected $_cells; |
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| 95 | |
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| 96 | /** |
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| 97 | * 1D array of column dimensions |
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| 98 | * |
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| 99 | * @var array |
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| 100 | */ |
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| 101 | protected $_columns; |
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| 102 | |
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| 103 | /** |
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| 104 | * 1D array of row dimensions |
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| 105 | * |
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| 106 | * @var array |
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| 107 | */ |
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| 108 | protected $_rows; |
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| 109 | |
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| 110 | /** |
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| 111 | * 2D array of border specs |
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| 112 | * |
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| 113 | * @var array |
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| 114 | */ |
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| 115 | protected $_borders; |
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| 116 | |
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| 117 | /** |
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| 118 | * 1D Array mapping frames to (multiple) <row, col> pairs, keyed on |
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| 119 | * frame_id. |
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| 120 | * |
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| 121 | * @var array |
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| 122 | */ |
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| 123 | protected $_frames; |
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| 124 | |
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| 125 | /** |
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| 126 | * Current column when adding cells, 0-based |
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| 127 | * |
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| 128 | * @var int |
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| 129 | */ |
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| 130 | private $__col; |
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| 131 | |
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| 132 | /** |
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| 133 | * Current row when adding cells, 0-based |
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| 134 | * |
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| 135 | * @var int |
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| 136 | */ |
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| 137 | private $__row; |
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| 138 | |
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| 139 | //........................................................................ |
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| 140 | |
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| 141 | function __construct(Table_Frame_Decorator $table) { |
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| 142 | $this->_table = $table; |
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| 143 | $this->reset(); |
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| 144 | } |
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| 145 | |
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| 146 | //........................................................................ |
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| 147 | |
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| 148 | function reset() { |
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| 149 | $this->_num_rows = 0; |
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| 150 | $this->_num_cols = 0; |
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| 151 | |
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| 152 | $this->_cells = array(); |
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| 153 | $this->_frames = array(); |
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| 154 | |
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| 155 | $this->_columns = array(); |
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| 156 | $this->_rows = array(); |
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| 157 | |
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| 158 | $this->_borders = array(); |
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| 159 | |
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| 160 | $this->__col = $this->__row = 0; |
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| 161 | } |
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| 162 | |
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| 163 | //........................................................................ |
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| 164 | |
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| 165 | function get_num_rows() { return $this->_num_rows; } |
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| 166 | function get_num_cols() { return $this->_num_cols; } |
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| 167 | |
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| 168 | function &get_columns() { |
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| 169 | return $this->_columns; |
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| 170 | } |
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| 171 | |
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| 172 | function &get_column($i) { |
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| 173 | if ( !isset($this->_columns[$i]) ) |
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| 174 | $this->_columns[$i] = array("x" => 0, |
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| 175 | "min-width" => 0, |
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| 176 | "max-width" => 0, |
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| 177 | "used-width" => null, |
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| 178 | "absolute" => 0, |
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| 179 | "percent" => 0, |
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| 180 | "auto" => true); |
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| 181 | |
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| 182 | return $this->_columns[$i]; |
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| 183 | } |
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| 184 | |
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| 185 | function &get_rows() { |
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| 186 | return $this->_rows; |
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| 187 | } |
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| 188 | |
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| 189 | function &get_row($j) { |
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| 190 | if ( !isset($this->_rows[$j]) ) |
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| 191 | $this->_rows[$j] = array("y" => 0, |
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| 192 | "first-column" => 0, |
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| 193 | "height" => null); |
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| 194 | return $this->_rows[$j]; |
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| 195 | } |
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| 196 | |
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| 197 | function get_border($i, $j, $h_v, $prop = null) { |
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| 198 | if ( !isset($this->_borders[$i][$j][$h_v]) ) |
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| 199 | $this->_borders[$i][$j][$h_v] = array("width" => 0, |
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| 200 | "style" => "solid", |
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| 201 | "color" => "black"); |
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| 202 | if ( isset($prop) ) |
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| 203 | return $this->_borders[$i][$j][$h_v][$prop]; |
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| 204 | |
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| 205 | return $this->_borders[$i][$j][$h_v]; |
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| 206 | } |
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| 207 | |
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| 208 | function get_border_properties($i, $j) { |
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| 209 | |
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| 210 | $left = $this->get_border($i, $j, "vertical"); |
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| 211 | $right = $this->get_border($i, $j+1, "vertical"); |
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| 212 | $top = $this->get_border($i, $j, "horizontal"); |
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| 213 | $bottom = $this->get_border($i+1, $j, "horizontal"); |
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| 214 | |
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| 215 | return compact("top", "bottom", "left", "right"); |
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| 216 | } |
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| 217 | |
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| 218 | //........................................................................ |
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| 219 | |
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| 220 | function get_spanned_cells($frame) { |
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| 221 | $key = $frame->get_id(); |
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| 222 | |
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| 223 | if ( !isset($this->_frames[$key]) ) { |
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| 224 | throw new DOMPDF_Internal_Exception("Frame not found in cellmap"); |
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| 225 | } |
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| 226 | |
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| 227 | return $this->_frames[$key]; |
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| 228 | |
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| 229 | } |
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| 230 | |
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| 231 | function get_frame_position($frame) { |
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| 232 | global $_dompdf_warnings; |
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| 233 | |
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| 234 | $key = $frame->get_id(); |
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| 235 | |
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| 236 | if ( !isset($this->_frames[$key]) ) { |
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| 237 | throw new DOMPDF_Internal_Exception("Frame not found in cellmap"); |
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| 238 | } |
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| 239 | |
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| 240 | $col = $this->_frames[$key]["columns"][0]; |
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| 241 | $row = $this->_frames[$key]["rows"][0]; |
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| 242 | |
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| 243 | if ( !isset($this->_columns[$col])) { |
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| 244 | $_dompdf_warnings[] = "Frame not found in columns array. Check your table layout for missing or extra TDs."; |
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| 245 | $x = 0; |
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| 246 | } else |
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| 247 | $x = $this->_columns[$col]["x"]; |
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| 248 | |
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| 249 | if ( !isset($this->_rows[$row])) { |
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| 250 | $_dompdf_warnings[] = "Frame not found in row array. Check your table layout for missing or extra TDs."; |
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| 251 | $y = 0; |
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| 252 | } else |
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| 253 | $y = $this->_rows[$row]["y"]; |
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| 254 | |
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| 255 | return array($x, $y, "x" => $x, "y" => $y); |
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| 256 | } |
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| 257 | |
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| 258 | function get_frame_width($frame) { |
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| 259 | $key = $frame->get_id(); |
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| 260 | |
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| 261 | if ( !isset($this->_frames[$key]) ) { |
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| 262 | throw new DOMPDF_Internal_Exception("Frame not found in cellmap"); |
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| 263 | } |
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| 264 | |
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| 265 | $cols = $this->_frames[$key]["columns"]; |
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| 266 | $w = 0; |
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| 267 | foreach ($cols as $i) |
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| 268 | $w += $this->_columns[$i]["used-width"]; |
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| 269 | |
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| 270 | return $w; |
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| 271 | |
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| 272 | } |
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| 273 | |
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| 274 | function get_frame_height($frame) { |
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| 275 | $key = $frame->get_id(); |
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| 276 | |
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| 277 | if ( !isset($this->_frames[$key]) ) |
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| 278 | throw new DOMPDF_Internal_Exception("Frame not found in cellmap"); |
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| 279 | |
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| 280 | $rows = $this->_frames[$key]["rows"]; |
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| 281 | $h = 0; |
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| 282 | foreach ($rows as $i) { |
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| 283 | if ( !isset($this->_rows[$i]) ) { |
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| 284 | throw new Exception("foo"); |
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| 285 | } |
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| 286 | $h += $this->_rows[$i]["height"]; |
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| 287 | } |
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| 288 | return $h; |
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| 289 | |
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| 290 | } |
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| 291 | |
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| 292 | |
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| 293 | //........................................................................ |
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| 294 | |
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| 295 | function set_column_width($j, $width) { |
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| 296 | $col =& $this->get_column($j); |
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| 297 | $col["used-width"] = $width; |
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| 298 | $next_col =& $this->get_column($j+1); |
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| 299 | $next_col["x"] = $next_col["x"] + $width; |
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| 300 | } |
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| 301 | |
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| 302 | function set_row_height($i, $height) { |
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| 303 | $row =& $this->get_row($i); |
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| 304 | if ( $height <= $row["height"] ) |
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| 305 | return; |
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| 306 | |
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| 307 | $row["height"] = $height; |
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| 308 | $next_row =& $this->get_row($i+1); |
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| 309 | $next_row["y"] = $row["y"] + $height; |
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| 310 | |
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| 311 | } |
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| 312 | |
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| 313 | //........................................................................ |
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| 314 | |
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| 315 | |
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| 316 | protected function _resolve_border($i, $j, $h_v, $border_spec) { |
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| 317 | $n_width = $border_spec["width"]; |
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| 318 | $n_style = $border_spec["style"]; |
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| 319 | $n_color = $border_spec["color"]; |
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| 320 | |
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| 321 | if ( !isset($this->_borders[$i][$j][$h_v]) ) { |
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| 322 | $this->_borders[$i][$j][$h_v] = $border_spec; |
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| 323 | return $this->_borders[$i][$j][$h_v]["width"]; |
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| 324 | } |
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| 325 | |
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| 326 | $o_width = $this->_borders[$i][$j][$h_v]["width"]; |
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| 327 | $o_style = $this->_borders[$i][$j][$h_v]["style"]; |
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| 328 | $o_color = $this->_borders[$i][$j][$h_v]["color"]; |
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| 329 | |
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| 330 | if ( ($n_style === "hidden" || |
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| 331 | $n_width > $o_width || |
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| 332 | $o_style === "none") |
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| 333 | |
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| 334 | or |
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| 335 | |
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| 336 | ($o_width == $n_width && |
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| 337 | in_array($n_style, self::$_BORDER_STYLE_SCORE) && |
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| 338 | self::$_BORDER_STYLE_SCORE[ $n_style ] > self::$_BORDER_STYLE_SCORE[ $o_style ]) ) |
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| 339 | $this->_borders[$i][$j][$h_v] = $border_spec; |
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| 340 | |
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| 341 | return $this->_borders[$i][$j][$h_v]["width"]; |
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| 342 | } |
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| 343 | |
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| 344 | //........................................................................ |
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| 345 | |
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| 346 | function add_frame(Frame $frame) { |
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| 347 | $style = $frame->get_style(); |
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| 348 | $display = $style->display; |
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| 349 | |
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| 350 | $collapse = $this->_table->get_style()->border_collapse == "collapse"; |
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| 351 | |
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| 352 | // Recursively add the frames within tables, table-row-groups and table-rows |
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| 353 | if ( $display == "table-row" || |
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| 354 | $display == "table" || |
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| 355 | in_array($display, Table_Frame_Decorator::$ROW_GROUPS) ) { |
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| 356 | |
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| 357 | $start_row = $this->__row; |
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| 358 | foreach ( $frame->get_children() as $child ) |
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| 359 | $this->add_frame( $child ); |
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| 360 | |
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| 361 | if ( $display == "table-row" ) |
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| 362 | $this->add_row(); |
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| 363 | |
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| 364 | $num_rows = $this->__row - $start_row - 1; |
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| 365 | $key = $frame->get_id(); |
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| 366 | |
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| 367 | // Row groups always span across the entire table |
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| 368 | $this->_frames[ $key ]["columns"] = range(0,max(0,$this->_num_cols-1)); |
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| 369 | $this->_frames[ $key ]["rows"] = range($start_row, max(0, $this->__row - 1)); |
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| 370 | $this->_frames[ $key ]["frame"] = $frame; |
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| 371 | |
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| 372 | if ( $display != "table-row" && $collapse ) { |
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| 373 | |
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| 374 | $bp = $style->get_border_properties(); |
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| 375 | |
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| 376 | // Resolve the borders |
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| 377 | for ( $i = 0; $i < $num_rows+1; $i++) { |
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| 378 | $this->_resolve_border($start_row + $i, 0, "vertical", $bp["left"]); |
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| 379 | $this->_resolve_border($start_row + $i, $this->_num_cols, "vertical", $bp["right"]); |
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| 380 | } |
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| 381 | |
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| 382 | for ( $j = 0; $j < $this->_num_cols; $j++) { |
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| 383 | $this->_resolve_border($start_row, $j, "horizontal", $bp["top"]); |
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| 384 | $this->_resolve_border($this->__row, $j, "horizontal", $bp["bottom"]); |
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| 385 | } |
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| 386 | } |
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| 387 | |
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| 388 | |
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| 389 | return; |
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| 390 | } |
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| 391 | |
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| 392 | // Determine where this cell is going |
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| 393 | $colspan = $frame->get_node()->getAttribute("colspan"); |
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| 394 | $rowspan = $frame->get_node()->getAttribute("rowspan"); |
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| 395 | |
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| 396 | if ( !$colspan ) { |
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| 397 | $colspan = 1; |
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| 398 | $frame->get_node()->setAttribute("colspan",1); |
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| 399 | } |
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| 400 | |
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| 401 | if ( !$rowspan ) { |
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| 402 | $rowspan = 1; |
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| 403 | $frame->get_node()->setAttribute("rowspan",1); |
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| 404 | } |
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| 405 | $key = $frame->get_id(); |
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| 406 | |
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| 407 | $bp = $style->get_border_properties(); |
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| 408 | |
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| 409 | |
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| 410 | // Add the frame to the cellmap |
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| 411 | $max_left = $max_right = 0; |
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| 412 | |
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| 413 | // Rows: |
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| 414 | for ( $i = 0; $i < $rowspan; $i++ ) { |
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| 415 | $row = $this->__row + $i; |
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| 416 | |
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| 417 | $this->_frames[ $key ]["rows"][] = $row; |
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| 418 | |
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| 419 | for ( $j = 0; $j < $colspan; $j++) |
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| 420 | $this->_cells[$row][$this->__col + $j] = $frame; |
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| 421 | |
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| 422 | if ( $collapse ) { |
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| 423 | // Resolve vertical borders |
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| 424 | $max_left = max($max_left, $this->_resolve_border($row, $this->__col, "vertical", $bp["left"])); |
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| 425 | $max_right = max($max_right, $this->_resolve_border($row, $this->__col + $colspan, "vertical", $bp["right"])); |
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| 426 | } |
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| 427 | } |
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| 428 | |
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| 429 | $max_top = $max_bottom = 0; |
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| 430 | |
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| 431 | // Columns: |
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| 432 | for ( $j = 0; $j < $colspan; $j++ ) { |
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| 433 | $col = $this->__col + $j; |
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| 434 | $this->_frames[ $key ]["columns"][] = $col; |
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| 435 | |
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| 436 | if ( $collapse ) { |
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| 437 | // Resolve horizontal borders |
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| 438 | $max_top = max($max_top, $this->_resolve_border($this->__row, $col, "horizontal", $bp["top"])); |
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| 439 | $max_bottom = max($max_bottom, $this->_resolve_border($this->__row + $rowspan, $col, "horizontal", $bp["bottom"])); |
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| 440 | } |
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| 441 | } |
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| 442 | |
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| 443 | $this->_frames[ $key ]["frame"] = $frame; |
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| 444 | |
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| 445 | // Handle seperated border model |
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| 446 | if ( !$collapse ) { |
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| 447 | list($h, $v) = $this->_table->get_style()->border_spacing; |
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| 448 | |
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| 449 | // Border spacing is effectively a margin between cells |
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| 450 | $v = $style->length_in_pt($v) / 2; |
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| 451 | $h = $style->length_in_pt($h) / 2; |
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| 452 | $style->margin = "$v $h"; |
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| 453 | |
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| 454 | // The additional 1/2 width gets added to the table proper |
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| 455 | |
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| 456 | } else { |
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| 457 | |
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| 458 | // Drop the frame's actual border |
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| 459 | $style->border_left_width = $max_left / 2; |
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| 460 | $style->border_right_width = $max_right / 2; |
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| 461 | $style->border_top_width = $max_top / 2; |
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| 462 | $style->border_bottom_width = $max_bottom / 2; |
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| 463 | $style->margin = "none"; |
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| 464 | } |
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| 465 | |
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| 466 | // Resolve the frame's width |
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| 467 | list($frame_min, $frame_max) = $frame->get_min_max_width(); |
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| 468 | $width = $style->width; |
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| 469 | |
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| 470 | if ( is_percent($width) ) { |
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| 471 | $var = "percent"; |
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| 472 | $val = (float)rtrim($width, "% ") / $colspan; |
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| 473 | |
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| 474 | } else if ( $width !== "auto" ) { |
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| 475 | $var = "absolute"; |
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| 476 | $val = $style->length_in_pt($frame_min) / $colspan; |
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| 477 | } |
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| 478 | |
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| 479 | $min = 0; |
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| 480 | $max = 0; |
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| 481 | for ( $cs = 0; $cs < $colspan; $cs++ ) { |
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| 482 | |
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| 483 | // Resolve the frame's width(s) with other cells |
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| 484 | $col =& $this->get_column( $this->__col + $cs ); |
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| 485 | |
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| 486 | // Note: $var is either 'percent' or 'absolute'. We compare the |
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| 487 | // requested percentage or absolute values with the existing widths |
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| 488 | // and adjust accordingly. |
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| 489 | if ( isset($var) && $val > $col[$var] ) { |
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| 490 | $col[$var] = $val; |
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| 491 | $col["auto"] = false; |
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| 492 | } |
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| 493 | |
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| 494 | $min += $col["min-width"]; |
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| 495 | $max += $col["max-width"]; |
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| 496 | } |
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| 497 | |
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| 498 | |
---|
| 499 | if ( $frame_min > $min ) { |
---|
| 500 | // The frame needs more space. Expand each sub-column |
---|
| 501 | $inc = ($frame_min - $min) / $colspan; |
---|
| 502 | for ($c = 0; $c < $colspan; $c++) { |
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| 503 | $col =& $this->get_column($this->__col + $c); |
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| 504 | $col["min-width"] += $inc; |
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| 505 | } |
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| 506 | } |
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| 507 | |
---|
| 508 | if ( $frame_max > $max ) { |
---|
| 509 | $inc = ($frame_max - $max) / $colspan; |
---|
| 510 | for ($c = 0; $c < $colspan; $c++) { |
---|
| 511 | $col =& $this->get_column($this->__col + $c); |
---|
| 512 | $col["max-width"] += $inc; |
---|
| 513 | } |
---|
| 514 | } |
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| 515 | |
---|
| 516 | $this->__col += $colspan; |
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| 517 | if ( $this->__col > $this->_num_cols ) |
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| 518 | $this->_num_cols = $this->__col; |
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| 519 | |
---|
| 520 | } |
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| 521 | |
---|
| 522 | //........................................................................ |
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| 523 | |
---|
| 524 | function add_row() { |
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| 525 | |
---|
| 526 | $this->__row++; |
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| 527 | $this->_num_rows++; |
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| 528 | |
---|
| 529 | // Find the next available column |
---|
| 530 | $i = 0; |
---|
| 531 | while ( isset($this->_cells[$this->__row][$i]) ) |
---|
| 532 | $i++; |
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| 533 | |
---|
| 534 | $this->__col = $i; |
---|
| 535 | |
---|
| 536 | } |
---|
| 537 | |
---|
| 538 | //........................................................................ |
---|
| 539 | |
---|
| 540 | /** |
---|
| 541 | * Remove a row from the cellmap. |
---|
| 542 | * |
---|
| 543 | * @param Frame |
---|
| 544 | */ |
---|
| 545 | function remove_row(Frame $row) { |
---|
| 546 | |
---|
| 547 | $key = $row->get_id(); |
---|
| 548 | if ( !isset($this->_frames[$key]) ) |
---|
| 549 | return; // Presumably this row has alredy been removed |
---|
| 550 | |
---|
| 551 | $this->_row = $this->_num_rows--; |
---|
| 552 | |
---|
| 553 | $rows = $this->_frames[$key]["rows"]; |
---|
| 554 | $columns = $this->_frames[$key]["columns"]; |
---|
| 555 | |
---|
| 556 | // Remove all frames from this row |
---|
| 557 | foreach ( $rows as $r ) { |
---|
| 558 | foreach ( $columns as $c ) { |
---|
| 559 | $frame = $this->_cells[$r][$c]; |
---|
| 560 | unset($this->_frames[ $frame->get_id() ]); |
---|
| 561 | unset($this->_cells[$r][$c]); |
---|
| 562 | } |
---|
| 563 | } |
---|
| 564 | |
---|
| 565 | unset($this->_frames[$key]); |
---|
| 566 | |
---|
| 567 | } |
---|
| 568 | |
---|
| 569 | /** |
---|
| 570 | * Remove a row group from the cellmap. |
---|
| 571 | * |
---|
| 572 | * @param Frame $group The group to remove |
---|
| 573 | */ |
---|
| 574 | function remove_row_group(Frame $group) { |
---|
| 575 | $key = $group->get_id(); |
---|
| 576 | if ( !isset($this->_frames[$key]) ) |
---|
| 577 | return; // Presumably this row has alredy been removed |
---|
| 578 | |
---|
| 579 | $iter = $group->get_first_child(); |
---|
| 580 | while ($iter) { |
---|
| 581 | $this->remove_row($iter); |
---|
| 582 | $iter = $iter->get_next_sibling(); |
---|
| 583 | } |
---|
| 584 | |
---|
| 585 | unset($this->_frames[$key]); |
---|
| 586 | } |
---|
| 587 | |
---|
| 588 | /** |
---|
| 589 | * Update a row group after rows have been removed |
---|
| 590 | * |
---|
| 591 | * @param Frame $group The group to update |
---|
| 592 | * @param Frame $last_row The last row in the row group |
---|
| 593 | */ |
---|
| 594 | function update_row_group(Frame $group, Frame $last_row) { |
---|
| 595 | |
---|
| 596 | $g_key = $group->get_id(); |
---|
| 597 | $r_key = $last_row->get_id(); |
---|
| 598 | |
---|
| 599 | $r_rows = $this->_frames[$r_key]["rows"]; |
---|
| 600 | $this->_frames[$g_key]["rows"] = range( $this->_frames[$g_key]["rows"][0], end($r_rows) ); |
---|
| 601 | |
---|
| 602 | } |
---|
| 603 | |
---|
| 604 | //........................................................................ |
---|
| 605 | |
---|
| 606 | function assign_x_positions() { |
---|
| 607 | // Pre-condition: widths must be resolved and assigned to columns and |
---|
| 608 | // column[0]["x"] must be set. |
---|
| 609 | |
---|
| 610 | $x = $this->_columns[0]["x"]; |
---|
| 611 | foreach ( array_keys($this->_columns) as $j ) { |
---|
| 612 | $this->_columns[$j]["x"] = $x; |
---|
| 613 | $x += $this->_columns[$j]["used-width"]; |
---|
| 614 | |
---|
| 615 | } |
---|
| 616 | |
---|
| 617 | } |
---|
| 618 | |
---|
| 619 | function assign_frame_heights() { |
---|
| 620 | // Pre-condition: widths and heights of each column & row must be |
---|
| 621 | // calcluated |
---|
| 622 | |
---|
| 623 | foreach ( $this->_frames as $arr ) { |
---|
| 624 | $frame = $arr["frame"]; |
---|
| 625 | |
---|
| 626 | $h = 0; |
---|
| 627 | foreach( $arr["rows"] as $row ) { |
---|
| 628 | if ( !isset($this->_rows[$row]) ) |
---|
| 629 | // The row has been removed because of a page split, so skip it. |
---|
| 630 | continue; |
---|
| 631 | $h += $this->_rows[$row]["height"]; |
---|
| 632 | } |
---|
| 633 | |
---|
| 634 | if ( $frame instanceof Table_Cell_Frame_Decorator ) |
---|
| 635 | $frame->set_cell_height($h); |
---|
| 636 | else |
---|
| 637 | $frame->get_style()->height = $h; |
---|
| 638 | } |
---|
| 639 | |
---|
| 640 | } |
---|
| 641 | |
---|
| 642 | //........................................................................ |
---|
| 643 | |
---|
| 644 | /** |
---|
| 645 | * Re-adjust frame height if the table height is larger than its content |
---|
| 646 | */ |
---|
| 647 | function set_frame_heights($table_height, $content_height) { |
---|
| 648 | |
---|
| 649 | |
---|
| 650 | // Distribute the increased height proportionally amongst each row |
---|
| 651 | foreach ( $this->_frames as $arr ) { |
---|
| 652 | $frame = $arr["frame"]; |
---|
| 653 | |
---|
| 654 | $h = 0; |
---|
| 655 | foreach ($arr["rows"] as $row ) { |
---|
| 656 | if ( !isset($this->_rows[$row]) ) |
---|
| 657 | continue; |
---|
| 658 | |
---|
| 659 | $h += $this->_rows[$row]["height"]; |
---|
| 660 | } |
---|
| 661 | |
---|
| 662 | $new_height = ($h / $content_height) * $table_height; |
---|
| 663 | |
---|
| 664 | if ( $frame instanceof Table_Cell_Frame_Decorator ) |
---|
| 665 | $frame->set_cell_height($new_height); |
---|
| 666 | else |
---|
| 667 | $frame->get_style()->height = $new_height; |
---|
| 668 | } |
---|
| 669 | |
---|
| 670 | } |
---|
| 671 | |
---|
| 672 | //........................................................................ |
---|
| 673 | |
---|
| 674 | // Used for debugging: |
---|
| 675 | function __toString() { |
---|
| 676 | $str = ""; |
---|
| 677 | $str .= "Columns:<br/>"; |
---|
| 678 | $str .= pre_r($this->_columns, true); |
---|
| 679 | $str .= "Rows:<br/>"; |
---|
| 680 | $str .= pre_r($this->_rows, true); |
---|
| 681 | |
---|
| 682 | $str .= "Frames:<br/>"; |
---|
| 683 | $arr = array(); |
---|
| 684 | foreach ( $this->_frames as $key => $val ) |
---|
| 685 | $arr[$key] = array("columns" => $val["columns"], "rows" => $val["rows"]); |
---|
| 686 | |
---|
| 687 | $str .= pre_r($arr, true); |
---|
| 688 | |
---|
| 689 | if ( php_sapi_name() == "cli" ) |
---|
| 690 | $str = strip_tags(str_replace(array("<br/>","<b>","</b>"), |
---|
| 691 | array("\n",chr(27)."[01;33m", chr(27)."[0m"), |
---|
| 692 | $str)); |
---|
| 693 | return $str; |
---|
| 694 | } |
---|
| 695 | } |
---|
| 696 | ?> |
---|