1 | <?php |
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2 | /* vim: set expandtab tabstop=4 shiftwidth=4: */ |
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3 | // |
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4 | // +----------------------------------------------------------------------+ |
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5 | // | PHP Version 4 | |
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6 | // +----------------------------------------------------------------------+ |
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7 | // | Copyright (c) 1997-2002 The PHP Group | |
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8 | // +----------------------------------------------------------------------+ |
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9 | // | This source file is subject to version 2.02 of the PHP license, | |
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10 | // | that is bundled with this package in the file LICENSE, and is | |
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11 | // | available at through the world-wide-web at | |
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12 | // | http://www.php.net/license/3_0.txt. | |
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13 | // | If you did not receive a copy of the PHP license and are unable to | |
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14 | // | obtain it through the world-wide-web, please send a note to | |
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15 | // | license@php.net so we can mail you a copy immediately. | |
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16 | // +----------------------------------------------------------------------+ |
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17 | // | Authors: Harry Fuecks <hfuecks@phppatterns.com> | |
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18 | // +----------------------------------------------------------------------+ |
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19 | // |
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20 | // $Id: Weekdays.php,v 1.4 2005/10/22 10:28:49 quipo Exp $ |
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21 | // |
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22 | /** |
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23 | * @package Calendar |
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24 | * @version $Id: Weekdays.php,v 1.4 2005/10/22 10:28:49 quipo Exp $ |
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25 | */ |
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26 | |
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27 | /** |
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28 | * Allows Calendar include path to be redefined |
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29 | * @ignore |
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30 | */ |
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31 | if (!defined('CALENDAR_ROOT')) { |
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32 | define('CALENDAR_ROOT', 'Calendar'.DIRECTORY_SEPARATOR); |
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33 | } |
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34 | |
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35 | /** |
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36 | * Load Calendar base class |
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37 | */ |
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38 | require_once CALENDAR_ROOT.'Calendar.php'; |
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39 | |
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40 | /** |
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41 | * Load base month |
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42 | */ |
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43 | require_once CALENDAR_ROOT.'Month.php'; |
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44 | |
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45 | /** |
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46 | * Represents a Month and builds Days in tabular form<br> |
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47 | * <code> |
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48 | * require_once 'Calendar/Month/Weekdays.php'; |
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49 | * $Month = & new Calendar_Month_Weekdays(2003, 10); // Oct 2003 |
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50 | * $Month->build(); // Build Calendar_Day objects |
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51 | * while ($Day = & $Month->fetch()) { |
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52 | * if ($Day->isFirst()) { |
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53 | * echo '<tr>'; |
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54 | * } |
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55 | * if ($Day->isEmpty()) { |
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56 | * echo '<td> </td>'; |
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57 | * } else { |
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58 | * echo '<td>'.$Day->thisDay().'</td>'; |
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59 | * } |
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60 | * if ($Day->isLast()) { |
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61 | * echo '</tr>'; |
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62 | * } |
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63 | * } |
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64 | * </code> |
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65 | * @package Calendar |
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66 | * @access public |
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67 | */ |
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68 | class Calendar_Month_Weekdays extends Calendar_Month |
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69 | { |
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70 | /** |
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71 | * Instance of Calendar_Table_Helper |
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72 | * @var Calendar_Table_Helper |
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73 | * @access private |
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74 | */ |
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75 | var $tableHelper; |
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76 | |
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77 | /** |
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78 | * First day of the week |
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79 | * @access private |
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80 | * @var string |
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81 | */ |
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82 | var $firstDay; |
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83 | |
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84 | /** |
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85 | * Constructs Calendar_Month_Weekdays |
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86 | * @param int year e.g. 2003 |
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87 | * @param int month e.g. 5 |
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88 | * @param int (optional) first day of week (e.g. 0 for Sunday, 2 for Tuesday etc.) |
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89 | * @access public |
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90 | */ |
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91 | function Calendar_Month_Weekdays($y, $m, $firstDay=null) |
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92 | { |
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93 | Calendar_Month::Calendar_Month($y, $m, $firstDay); |
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94 | } |
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95 | |
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96 | /** |
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97 | * Builds Day objects in tabular form, to allow display of calendar month |
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98 | * with empty cells if the first day of the week does not fall on the first |
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99 | * day of the month. |
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100 | * @see Calendar_Day::isEmpty() |
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101 | * @see Calendar_Day_Base::isFirst() |
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102 | * @see Calendar_Day_Base::isLast() |
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103 | * @param array (optional) Calendar_Day objects representing selected dates |
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104 | * @return boolean |
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105 | * @access public |
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106 | */ |
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107 | function build($sDates=array()) |
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108 | { |
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109 | require_once CALENDAR_ROOT.'Table/Helper.php'; |
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110 | $this->tableHelper = & new Calendar_Table_Helper($this, $this->firstDay); |
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111 | Calendar_Month::build($sDates); |
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112 | $this->buildEmptyDaysBefore(); |
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113 | $this->shiftDays(); |
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114 | $this->buildEmptyDaysAfter(); |
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115 | $this->setWeekMarkers(); |
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116 | return true; |
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117 | } |
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118 | |
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119 | /** |
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120 | * Prepends empty days before the real days in the month |
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121 | * @return void |
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122 | * @access private |
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123 | */ |
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124 | function buildEmptyDaysBefore() |
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125 | { |
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126 | $eBefore = $this->tableHelper->getEmptyDaysBefore(); |
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127 | for ($i=0; $i < $eBefore; $i++) { |
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128 | $stamp = $this->cE->dateToStamp($this->year, $this->month, -$i); |
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129 | $Day = new Calendar_Day( |
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130 | $this->cE->stampToYear($stamp), |
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131 | $this->cE->stampToMonth($stamp), |
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132 | $this->cE->stampToDay($stamp)); |
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133 | $Day->setEmpty(); |
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134 | $Day->adjust(); |
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135 | array_unshift($this->children, $Day); |
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136 | } |
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137 | } |
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138 | |
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139 | /** |
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140 | * Shifts the array of children forward, if necessary |
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141 | * @return void |
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142 | * @access private |
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143 | */ |
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144 | function shiftDays() |
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145 | { |
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146 | if (isset ($this->children[0])) { |
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147 | array_unshift($this->children, null); |
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148 | unset($this->children[0]); |
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149 | } |
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150 | } |
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151 | |
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152 | /** |
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153 | * Appends empty days after the real days in the month |
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154 | * @return void |
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155 | * @access private |
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156 | */ |
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157 | function buildEmptyDaysAfter() |
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158 | { |
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159 | $eAfter = $this->tableHelper->getEmptyDaysAfter(); |
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160 | $sDOM = $this->tableHelper->getNumTableDaysInMonth(); |
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161 | for ($i = 1; $i <= $sDOM-$eAfter; $i++) { |
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162 | $Day = new Calendar_Day($this->year, $this->month+1, $i); |
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163 | $Day->setEmpty(); |
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164 | $Day->adjust(); |
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165 | array_push($this->children, $Day); |
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166 | } |
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167 | } |
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168 | |
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169 | /** |
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170 | * Sets the "markers" for the beginning and of a of week, in the |
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171 | * built Calendar_Day children |
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172 | * @return void |
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173 | * @access private |
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174 | */ |
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175 | function setWeekMarkers() |
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176 | { |
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177 | $dIW = $this->cE->getDaysInWeek( |
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178 | $this->thisYear(), |
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179 | $this->thisMonth(), |
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180 | $this->thisDay() |
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181 | ); |
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182 | $sDOM = $this->tableHelper->getNumTableDaysInMonth(); |
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183 | for ($i=1; $i <= $sDOM; $i+= $dIW) { |
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184 | $this->children[$i]->setFirst(); |
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185 | $this->children[$i+($dIW-1)]->setLast(); |
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186 | } |
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187 | } |
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188 | } |
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189 | ?> |
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