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 | * Contains the Calendar_Month_Weekdays class
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6 | *
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7 | * PHP versions 4 and 5
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8 | *
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9 | * LICENSE: Redistribution and use in source and binary forms, with or without
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10 | * modification, are permitted provided that the following conditions are met:
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11 | * 1. Redistributions of source code must retain the above copyright
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12 | * notice, this list of conditions and the following disclaimer.
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13 | * 2. Redistributions in binary form must reproduce the above copyright
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14 | * notice, this list of conditions and the following disclaimer in the
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15 | * documentation and/or other materials provided with the distribution.
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16 | * 3. The name of the author may not be used to endorse or promote products
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17 | * derived from this software without specific prior written permission.
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18 | *
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19 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
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20 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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21 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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22 | * IN NO EVENT SHALL THE FREEBSD PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY
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23 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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24 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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25 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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26 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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27 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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28 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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29 | *
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30 | * @category Date and Time
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31 | * @package Calendar
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32 | * @author Harry Fuecks <hfuecks@phppatterns.com>
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33 | * @copyright 2003-2007 Harry Fuecks
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34 | * @license http://www.debian.org/misc/bsd.license BSD License (3 Clause)
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35 | * @version CVS: $Id: Weekdays.php 300729 2010-06-24 12:05:53Z quipo $
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36 | * @link http://pear.php.net/package/Calendar
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37 | */
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38 |
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39 | /**
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40 | * Allows Calendar include path to be redefined
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41 | * @ignore
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42 | */
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43 | if (!defined('CALENDAR_ROOT')) {
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44 | define('CALENDAR_ROOT', 'Calendar'.DIRECTORY_SEPARATOR);
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45 | }
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46 |
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47 | /**
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48 | * Load Calendar base class
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49 | */
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50 | require_once CALENDAR_ROOT.'Calendar.php';
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51 |
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52 | /**
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53 | * Load base month
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54 | */
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55 | require_once CALENDAR_ROOT.'Month.php';
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56 |
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57 | /**
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58 | * Represents a Month and builds Days in tabular form<br>
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59 | * <code>
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60 | * require_once 'Calendar/Month/Weekdays.php';
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61 | * $Month = new Calendar_Month_Weekdays(2003, 10); // Oct 2003
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62 | * $Month->build(); // Build Calendar_Day objects
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63 | * while ($Day = & $Month->fetch()) {
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64 | * if ($Day->isFirst()) {
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65 | * echo '<tr>';
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66 | * }
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67 | * if ($Day->isEmpty()) {
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68 | * echo '<td> </td>';
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69 | * } else {
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70 | * echo '<td>'.$Day->thisDay().'</td>';
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71 | * }
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72 | * if ($Day->isLast()) {
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73 | * echo '</tr>';
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74 | * }
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75 | * }
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76 | * </code>
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77 | *
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78 | * @category Date and Time
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79 | * @package Calendar
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80 | * @author Harry Fuecks <hfuecks@phppatterns.com>
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81 | * @copyright 2003-2007 Harry Fuecks
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82 | * @license http://www.debian.org/misc/bsd.license BSD License (3 Clause)
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83 | * @link http://pear.php.net/package/Calendar
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84 | * @access public
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85 | */
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86 | class Calendar_Month_Weekdays extends Calendar_Month
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87 | {
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88 | /**
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89 | * Instance of Calendar_Table_Helper
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90 | * @var Calendar_Table_Helper
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91 | * @access private
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92 | */
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93 | var $tableHelper;
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94 |
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95 | /**
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96 | * First day of the week
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97 | * @access private
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98 | * @var string
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99 | */
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100 | var $firstDay;
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101 |
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102 | /**
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103 | * Constructs Calendar_Month_Weekdays
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104 | *
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105 | * @param int $y year e.g. 2003
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106 | * @param int $m month e.g. 5
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107 | * @param int $firstDay (optional) first day of week (e.g. 0 for Sunday, 2 for Tuesday etc.)
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108 | *
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109 | * @access public
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110 | */
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111 | function Calendar_Month_Weekdays($y, $m, $firstDay=null)
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112 | {
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113 | parent::Calendar_Month($y, $m, $firstDay);
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114 | }
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115 |
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116 | /**
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117 | * Builds Day objects in tabular form, to allow display of calendar month
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118 | * with empty cells if the first day of the week does not fall on the first
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119 | * day of the month.
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120 | *
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121 | * @param array $sDates (optional) Calendar_Day objects representing selected dates
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122 | *
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123 | * @return boolean
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124 | * @access public
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125 | * @see Calendar_Day::isEmpty()
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126 | * @see Calendar_Day_Base::isFirst()
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127 | * @see Calendar_Day_Base::isLast()
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128 | */
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129 | function build($sDates = array())
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130 | {
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131 | include_once CALENDAR_ROOT.'Table/Helper.php';
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132 | $this->tableHelper = new Calendar_Table_Helper($this, $this->firstDay);
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133 | Calendar_Month::build($sDates);
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134 | $this->buildEmptyDaysBefore();
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135 | $this->shiftDays();
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136 | $this->buildEmptyDaysAfter();
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137 | $this->setWeekMarkers();
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138 | return true;
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139 | }
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140 |
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141 | /**
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142 | * Prepends empty days before the real days in the month
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143 | *
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144 | * @return void
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145 | * @access private
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146 | */
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147 | function buildEmptyDaysBefore()
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148 | {
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149 | $eBefore = $this->tableHelper->getEmptyDaysBefore();
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150 | for ($i=0; $i < $eBefore; $i++) {
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151 | $stamp = $this->cE->dateToStamp($this->year, $this->month, -$i);
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152 | $Day = new Calendar_Day(
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153 | $this->cE->stampToYear($stamp),
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154 | $this->cE->stampToMonth($stamp),
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155 | $this->cE->stampToDay($stamp));
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156 | $Day->setEmpty();
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157 | $Day->adjust();
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158 | array_unshift($this->children, $Day);
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159 | }
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160 | }
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161 |
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162 | /**
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163 | * Shifts the array of children forward, if necessary
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164 | *
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165 | * @return void
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166 | * @access private
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167 | */
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168 | function shiftDays()
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169 | {
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170 | if (isset($this->children[0])) {
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171 | array_unshift($this->children, null);
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172 | unset($this->children[0]);
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173 | }
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174 | }
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175 |
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176 | /**
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177 | * Appends empty days after the real days in the month
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178 | *
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179 | * @return void
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180 | * @access private
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181 | */
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182 | function buildEmptyDaysAfter()
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183 | {
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184 | $eAfter = $this->tableHelper->getEmptyDaysAfter();
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185 | $sDOM = $this->tableHelper->getNumTableDaysInMonth();
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186 | for ($i=1; $i <= $sDOM-$eAfter; $i++) {
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187 | $Day = new Calendar_Day($this->year, $this->month+1, $i);
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188 | $Day->setEmpty();
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189 | $Day->adjust();
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190 | array_push($this->children, $Day);
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191 | }
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192 | }
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193 |
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194 | /**
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195 | * Sets the "markers" for the beginning and of a of week, in the
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196 | * built Calendar_Day children
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197 | *
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198 | * @return void
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199 | * @access private
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200 | */
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201 | function setWeekMarkers()
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202 | {
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203 | $dIW = $this->cE->getDaysInWeek(
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204 | $this->thisYear(),
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205 | $this->thisMonth(),
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206 | $this->thisDay()
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207 | );
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208 | $sDOM = $this->tableHelper->getNumTableDaysInMonth();
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209 | for ($i=1; $i <= $sDOM; $i+= $dIW) {
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210 | $this->children[$i]->setFirst();
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211 | $this->children[$i+($dIW-1)]->setLast();
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212 | }
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213 | }
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214 | }
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215 | ?> |
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