1 | <?php |
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2 | // +-----------------------------------------------------------------------+ |
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3 | // | PhpWebGallery - a PHP based picture gallery | |
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4 | // | Copyright (C) 2003-2006 PhpWebGallery Team - http://phpwebgallery.net | |
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5 | // +-----------------------------------------------------------------------+ |
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6 | // | branch : BSF (Best So Far) |
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7 | // | file : $RCSfile$ |
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8 | // | last update : $Date: 2006-01-27 02:11:43 +0100 (ven, 27 jan 2006) $ |
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9 | // | last modifier : $Author: rvelices $ |
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10 | // | revision : $Revision: 1014 $ |
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11 | // +-----------------------------------------------------------------------+ |
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12 | // | This program is free software; you can redistribute it and/or modify | |
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13 | // | it under the terms of the GNU General Public License as published by | |
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14 | // | the Free Software Foundation | |
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15 | // | | |
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16 | // | This program is distributed in the hope that it will be useful, but | |
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17 | // | WITHOUT ANY WARRANTY; without even the implied warranty of | |
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18 | // | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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19 | // | General Public License for more details. | |
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20 | // | | |
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21 | // | You should have received a copy of the GNU General Public License | |
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22 | // | along with this program; if not, write to the Free Software | |
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23 | // | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
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24 | // | USA. | |
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25 | // +-----------------------------------------------------------------------+ |
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26 | |
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27 | include_once(PHPWG_ROOT_PATH.'include/calendar_base.class.php'); |
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28 | |
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29 | define ('CYEAR', 0); |
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30 | define ('CMONTH', 1); |
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31 | define ('CDAY', 2); |
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32 | |
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33 | /** |
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34 | * Monthly calendar style (composed of years/months and days) |
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35 | */ |
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36 | class Calendar extends CalendarBase |
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37 | { |
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38 | |
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39 | /** |
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40 | * Initialize the calendar |
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41 | * @param string inner_sql used for queries (INNER JOIN or normal) |
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42 | */ |
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43 | function initialize($inner_sql) |
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44 | { |
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45 | parent::initialize($inner_sql); |
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46 | global $lang; |
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47 | $this->calendar_levels = array( |
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48 | array( |
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49 | 'sql'=> 'YEAR('.$this->date_field.')', |
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50 | 'labels' => null |
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51 | ), |
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52 | array( |
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53 | 'sql'=> 'MONTH('.$this->date_field.')', |
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54 | 'labels' => $lang['month'] |
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55 | ), |
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56 | array( |
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57 | 'sql'=> 'DAYOFMONTH('.$this->date_field.')', |
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58 | 'labels' => null |
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59 | ), |
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60 | ); |
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61 | } |
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62 | |
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63 | /** |
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64 | * Generate navigation bars for category page |
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65 | * @return boolean false to indicate that thumbnails |
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66 | * where not included here, true otherwise |
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67 | */ |
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68 | function generate_category_content() |
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69 | { |
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70 | global $conf, $page; |
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71 | |
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72 | $view_type = $page['chronology_view']; |
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73 | if ($view_type==CAL_VIEW_CALENDAR) |
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74 | { |
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75 | if ( count($page['chronology_date'])==0 ) |
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76 | {//case A: no year given - display all years+months |
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77 | if ($this->build_global_calendar()) |
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78 | return true; |
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79 | } |
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80 | |
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81 | if ( count($page['chronology_date'])==1 ) |
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82 | {//case B: year given - display all days in given year |
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83 | if ($this->build_year_calendar()) |
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84 | { |
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85 | $this->build_nav_bar(CYEAR); // years |
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86 | return true; |
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87 | } |
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88 | } |
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89 | |
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90 | if ( count($page['chronology_date'])==2 ) |
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91 | {//case C: year+month given - display a nice month calendar |
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92 | $this->build_month_calendar(); |
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93 | //$this->build_nav_bar(CYEAR); // years |
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94 | //$this->build_nav_bar(CMONTH); // month |
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95 | $this->build_next_prev(); |
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96 | return true; |
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97 | } |
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98 | } |
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99 | |
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100 | if ($view_type==CAL_VIEW_LIST or count($page['chronology_date'])==3) |
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101 | { |
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102 | $has_nav_bar = false; |
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103 | if ( count($page['chronology_date'])==0 ) |
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104 | { |
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105 | $this->build_nav_bar(CYEAR); // years |
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106 | } |
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107 | if ( count($page['chronology_date'])==1) |
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108 | { |
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109 | $this->build_nav_bar(CMONTH); // month |
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110 | } |
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111 | if ( count($page['chronology_date'])==2 ) |
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112 | { |
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113 | $day_labels = range( 1, $this->get_all_days_in_month( |
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114 | $page['chronology_date'][CYEAR] ,$page['chronology_date'][CMONTH] ) ); |
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115 | array_unshift($day_labels, 0); |
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116 | unset( $day_labels[0] ); |
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117 | $this->build_nav_bar( CDAY, $day_labels ); // days |
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118 | } |
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119 | $this->build_next_prev(); |
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120 | } |
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121 | return false; |
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122 | } |
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123 | |
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124 | |
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125 | /** |
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126 | * Returns a sql where subquery for the date field |
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127 | * @param int max_levels return the where up to this level |
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128 | * (e.g. 2=only year and month) |
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129 | * @return string |
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130 | */ |
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131 | function get_date_where($max_levels=3) |
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132 | { |
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133 | global $page; |
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134 | $date = $page['chronology_date']; |
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135 | while (count($date)>$max_levels) |
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136 | { |
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137 | array_pop($date); |
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138 | } |
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139 | $res = ''; |
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140 | if (isset($date[CYEAR]) and $date[CYEAR]!=='any') |
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141 | { |
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142 | $b = $date[CYEAR] . '-'; |
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143 | $e = $date[CYEAR] . '-'; |
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144 | if (isset($date[CMONTH]) and $date[CMONTH]!=='any') |
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145 | { |
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146 | $b .= $date[CMONTH] . '-'; |
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147 | $e .= $date[CMONTH] . '-'; |
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148 | if (isset($date[CDAY]) and $date[CDAY]!=='any') |
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149 | { |
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150 | $b .= $date[CDAY]; |
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151 | $e .= $date[CDAY]; |
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152 | } |
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153 | else |
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154 | { |
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155 | $b .= '01'; |
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156 | $e .= '31'; |
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157 | } |
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158 | } |
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159 | else |
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160 | { |
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161 | $b .= '01-01'; |
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162 | $e .= '12-31'; |
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163 | if (isset($date[CMONTH]) and $date[CMONTH]!=='any') |
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164 | { |
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165 | $res .= ' AND '.$this->calendar_levels[CMONTH]['sql'].'='.$date[CMONTH]; |
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166 | } |
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167 | if (isset($date[CDAY]) and $date[CDAY]!=='any') |
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168 | { |
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169 | $res .= ' AND '.$this->calendar_levels[CDAY]['sql'].'='.$date[CDAY]; |
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170 | } |
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171 | } |
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172 | $res = " AND $this->date_field BETWEEN '$b' AND '$e 23:59:59'" . $res; |
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173 | } |
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174 | else |
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175 | { |
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176 | $res = ' AND '.$this->date_field.' IS NOT NULL'; |
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177 | if (isset($date[CMONTH]) and $date[CMONTH]!=='any') |
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178 | { |
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179 | $res .= ' AND '.$this->calendar_levels[CMONTH]['sql'].'='.$date[CMONTH]; |
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180 | } |
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181 | if (isset($date[CDAY]) and $date[CDAY]!=='any') |
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182 | { |
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183 | $res .= ' AND '.$this->calendar_levels[CDAY]['sql'].'='.$date[CDAY]; |
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184 | } |
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185 | } |
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186 | return $res; |
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187 | } |
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188 | |
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189 | |
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190 | |
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191 | //--------------------------------------------------------- private members --- |
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192 | |
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193 | // returns an array with alll the days in a given month |
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194 | function get_all_days_in_month($year, $month) |
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195 | { |
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196 | $md= array(1=>31,28,31,30,31,30,31,31,30,31,30,31); |
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197 | |
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198 | if ( is_numeric($year) and $month==2) |
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199 | { |
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200 | $nb_days = $md[2]; |
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201 | if ( ($year%4==0) and ( ($year%100!=0) or ($year%400!=0) ) ) |
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202 | { |
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203 | $nb_days++; |
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204 | } |
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205 | } |
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206 | elseif ( is_numeric($month) ) |
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207 | { |
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208 | $nb_days = $md[ $month ]; |
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209 | } |
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210 | else |
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211 | { |
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212 | $nb_days = 31; |
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213 | } |
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214 | return $nb_days; |
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215 | } |
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216 | |
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217 | function build_global_calendar() |
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218 | { |
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219 | global $page; |
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220 | assert( count($page['chronology_date']) == 0 ); |
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221 | $query='SELECT DISTINCT(DATE_FORMAT('.$this->date_field.',"%Y%m")) as period, |
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222 | COUNT( DISTINCT(id) ) as count'; |
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223 | $query.= $this->inner_sql; |
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224 | $query.= $this->get_date_where(); |
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225 | $query.= ' |
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226 | GROUP BY period |
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227 | ORDER BY YEAR('.$this->date_field.') DESC, MONTH('.$this->date_field.')'; |
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228 | |
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229 | $result = pwg_query($query); |
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230 | $items=array(); |
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231 | while ($row = mysql_fetch_array($result)) |
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232 | { |
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233 | $y = substr($row['period'], 0, 4); |
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234 | $m = (int)substr($row['period'], 4, 2); |
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235 | if ( ! isset($items[$y]) ) |
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236 | { |
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237 | $items[$y] = array('nb_images'=>0, 'children'=>array() ); |
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238 | } |
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239 | $items[$y]['children'][$m] = $row['count']; |
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240 | $items[$y]['nb_images'] += $row['count']; |
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241 | } |
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242 | //echo ('<pre>'. var_export($items, true) . '</pre>'); |
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243 | if (count($items)==1) |
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244 | {// only one year exists so bail out to year view |
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245 | list($y) = array_keys($items); |
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246 | $page['chronology_date'][CYEAR] = $y; |
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247 | return false; |
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248 | } |
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249 | |
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250 | global $lang, $template; |
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251 | foreach ( $items as $year=>$year_data) |
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252 | { |
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253 | $chronology_date = array( $year ); |
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254 | $url = duplicate_index_url( array('chronology_date'=>$chronology_date) ); |
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255 | |
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256 | $nav_bar = '<span class="calCalHead"><a href="'.$url.'">'.$year.'</a>'; |
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257 | $nav_bar .= ' ('.$year_data['nb_images'].')'; |
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258 | $nav_bar .= '</span><br>'; |
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259 | |
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260 | $nav_bar .= $this->get_nav_bar_from_items( $chronology_date, |
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261 | $year_data['children'], null, 'calCal', false, false, $lang['month'] ); |
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262 | |
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263 | $template->assign_block_vars( 'calendar.calbar', |
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264 | array( 'BAR' => $nav_bar) |
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265 | ); |
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266 | } |
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267 | return true; |
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268 | } |
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269 | |
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270 | function build_year_calendar() |
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271 | { |
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272 | global $page; |
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273 | assert( count($page['chronology_date']) == 1 ); |
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274 | $query='SELECT DISTINCT(DATE_FORMAT('.$this->date_field.',"%m%d")) as period, |
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275 | COUNT( DISTINCT(id) ) as count'; |
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276 | $query.= $this->inner_sql; |
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277 | $query.= $this->get_date_where(); |
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278 | $query.= ' |
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279 | GROUP BY period'; |
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280 | |
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281 | $result = pwg_query($query); |
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282 | $items=array(); |
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283 | while ($row = mysql_fetch_array($result)) |
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284 | { |
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285 | $m = (int)substr($row['period'], 0, 2); |
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286 | $d = substr($row['period'], 2, 2); |
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287 | if ( ! isset($items[$m]) ) |
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288 | { |
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289 | $items[$m] = array('nb_images'=>0, 'children'=>array() ); |
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290 | } |
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291 | $items[$m]['children'][$d] = $row['count']; |
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292 | $items[$m]['nb_images'] += $row['count']; |
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293 | } |
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294 | if (count($items)==1) |
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295 | { // only one month exists so bail out to month view |
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296 | list($m) = array_keys($items); |
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297 | $page['chronology_date'][CMONTH] = $m; |
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298 | return false; |
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299 | } |
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300 | global $lang, $template; |
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301 | foreach ( $items as $month=>$month_data) |
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302 | { |
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303 | $chronology_date = array( $page['chronology_date'][CYEAR], $month ); |
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304 | $url = duplicate_index_url( array('chronology_date'=>$chronology_date) ); |
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305 | |
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306 | $nav_bar = '<span class="calCalHead"><a href="'.$url.'">'; |
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307 | $nav_bar .= $lang['month'][$month].'</a>'; |
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308 | $nav_bar .= ' ('.$month_data['nb_images'].')'; |
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309 | $nav_bar .= '</span><br>'; |
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310 | |
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311 | $nav_bar .= $this->get_nav_bar_from_items( $chronology_date, |
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312 | $month_data['children'], null, 'calCal', false ); |
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313 | |
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314 | $template->assign_block_vars( 'calendar.calbar', |
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315 | array( 'BAR' => $nav_bar) |
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316 | ); |
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317 | } |
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318 | return true; |
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319 | |
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320 | } |
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321 | |
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322 | function build_month_calendar() |
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323 | { |
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324 | global $page; |
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325 | $query='SELECT DISTINCT(DAYOFMONTH('.$this->date_field.')) as period, |
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326 | COUNT( DISTINCT(id) ) as count'; |
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327 | $query.= $this->inner_sql; |
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328 | $query.= $this->get_date_where(); |
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329 | $query.= ' |
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330 | GROUP BY period'; |
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331 | |
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332 | $items=array(); |
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333 | $result = pwg_query($query); |
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334 | while ($row = mysql_fetch_array($result)) |
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335 | { |
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336 | $d = (int)$row['period']; |
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337 | $items[$d] = array('nb_images'=>$row['count']); |
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338 | } |
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339 | |
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340 | foreach ( $items as $day=>$data) |
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341 | { |
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342 | $page['chronology_date'][CDAY]=$day; |
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343 | $query = ' |
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344 | SELECT file,tn_ext,path, width, height, DAYOFWEEK('.$this->date_field.')-1 as dow'; |
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345 | $query.= $this->inner_sql; |
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346 | $query.= $this->get_date_where(); |
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347 | $query.= ' |
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348 | ORDER BY RAND() |
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349 | LIMIT 0,1'; |
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350 | unset ( $page['chronology_date'][CDAY] ); |
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351 | |
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352 | $row = mysql_fetch_array(pwg_query($query)); |
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353 | $items[$day]['tn_path'] = get_thumbnail_src($row['path'], @$row['tn_ext']); |
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354 | $items[$day]['file'] = $row['file']; |
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355 | $items[$day]['path'] = $row['path']; |
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356 | $items[$day]['tn_ext'] = @$row['tn_ext']; |
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357 | $items[$day]['width'] = $row['width']; |
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358 | $items[$day]['height'] = $row['height']; |
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359 | $items[$day]['dow'] = $row['dow']; |
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360 | } |
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361 | |
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362 | global $lang, $template, $conf; |
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363 | |
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364 | if ( !empty($items) |
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365 | and $conf['calendar_month_cell_width']>0 |
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366 | and $conf['calendar_month_cell_height']>0) |
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367 | { |
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368 | list($known_day) = array_keys($items); |
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369 | $known_dow = $items[$known_day]['dow']; |
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370 | $first_day_dow = ($known_dow-($known_day-1))%7; |
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371 | if ($first_day_dow<0) |
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372 | { |
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373 | $first_day_dow += 7; |
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374 | } |
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375 | //first_day_dow = week day corresponding to the first day of this month |
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376 | $wday_labels = $lang['day']; |
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377 | |
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378 | // BEGIN - pass now in week starting Monday |
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379 | if ($first_day_dow==0) |
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380 | { |
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381 | $first_day_dow = 6; |
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382 | } |
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383 | else |
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384 | { |
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385 | $first_day_dow -= 1; |
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386 | } |
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387 | array_push( $wday_labels, array_shift($wday_labels) ); |
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388 | // END - pass now in week starting Monday |
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389 | |
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390 | $cell_width = $conf['calendar_month_cell_width']; |
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391 | $cell_height = $conf['calendar_month_cell_height']; |
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392 | |
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393 | $template->set_filenames( |
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394 | array( |
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395 | 'month_calendar'=>'month_calendar.tpl', |
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396 | ) |
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397 | ); |
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398 | |
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399 | $template->assign_block_vars('calendar.thumbnails', |
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400 | array( |
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401 | 'WIDTH'=>$cell_width, |
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402 | 'HEIGHT'=>$cell_height, |
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403 | ) |
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404 | ); |
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405 | |
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406 | //fill the heading with day names |
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407 | $template->assign_block_vars('calendar.thumbnails.head', array()); |
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408 | foreach( $wday_labels as $d => $label) |
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409 | { |
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410 | $template->assign_block_vars('calendar.thumbnails.head.col', |
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411 | array('LABEL'=>$label) |
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412 | ); |
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413 | } |
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414 | |
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415 | $template->assign_block_vars('calendar.thumbnails.row', array()); |
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416 | |
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417 | //fill the empty days in the week before first day of this month |
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418 | for ($i=0; $i<$first_day_dow; $i++) |
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419 | { |
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420 | $template->assign_block_vars('calendar.thumbnails.row.col', array()); |
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421 | $template->assign_block_vars('calendar.thumbnails.row.col.blank', array()); |
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422 | } |
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423 | for ( $day = 1; |
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424 | $day <= $this->get_all_days_in_month( |
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425 | $page['chronology_date'][CYEAR], $page['chronology_date'][CMONTH] |
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426 | ); |
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427 | $day++) |
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428 | { |
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429 | $dow = ($first_day_dow + $day-1)%7; |
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430 | if ($dow==0 and $day!=1) |
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431 | { |
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432 | $template->assign_block_vars('calendar.thumbnails.row', array()); |
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433 | } |
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434 | $template->assign_block_vars('calendar.thumbnails.row.col', array()); |
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435 | if ( !isset($items[$day]) ) |
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436 | { |
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437 | $template->assign_block_vars('calendar.thumbnails.row.col.empty', |
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438 | array('LABEL'=>$day)); |
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439 | } |
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440 | else |
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441 | { |
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442 | // first try to guess thumbnail size |
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443 | if ( !empty($items[$day]['width']) ) |
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444 | { |
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445 | $tn_size = get_picture_size( |
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446 | $items[$day]['width'], $items[$day]['height'], |
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447 | $conf['tn_width'], $conf['tn_height'] ); |
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448 | } |
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449 | else |
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450 | {// item not an image (tn is either mime type or an image) |
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451 | $thumb = get_thumbnail_src( |
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452 | $items[$day]['path'], @$items[$day]['tn_ext'], false |
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453 | ); |
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454 | $tn_size = @getimagesize($thumb); |
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455 | } |
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456 | $tn_width = $tn_size[0]; |
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457 | $tn_height = $tn_size[1]; |
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458 | |
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459 | // now need to fit the thumbnail of size tn_size within |
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460 | // a cell of size cell_size by playing with CSS position (left/top) |
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461 | // and the width and height of <img>. |
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462 | $ratio_w = $tn_width/$cell_width; |
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463 | $ratio_h = $tn_height/$cell_height; |
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464 | |
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465 | |
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466 | $pos_top=$pos_left=0; |
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467 | $img_width=$img_height=''; |
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468 | if ( $ratio_w>1 and $ratio_h>1) |
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469 | {// cell completely smaller than the thumbnail so we will let the browser |
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470 | // resize the thumbnail |
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471 | if ($ratio_w > $ratio_h ) |
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472 | {// thumbnail ratio compared to cell -> wide format |
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473 | $img_height = 'height="'.$cell_height.'"'; |
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474 | $browser_img_width = $cell_height*$tn_width/$tn_height; |
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475 | $pos_left = ($browser_img_width-$cell_width)/2; |
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476 | } |
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477 | else |
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478 | { |
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479 | $img_width = 'width="'.$cell_width.'"'; |
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480 | $browser_img_height = $cell_width*$tn_height/$tn_width; |
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481 | $pos_top = ($browser_img_height-$cell_height)/2; |
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482 | } |
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483 | } |
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484 | else |
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485 | { |
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486 | $pos_left = ($tn_width-$cell_width)/2; |
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487 | $pos_top = ($tn_height-$cell_height)/2; |
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488 | } |
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489 | |
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490 | $css_style = ''; |
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491 | if ( round($pos_left)!=0) |
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492 | { |
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493 | $css_style.='left:'.round(-$pos_left).'px;'; |
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494 | } |
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495 | if ( round($pos_top)!=0) |
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496 | { |
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497 | $css_style.='top:'.round(-$pos_top).'px;'; |
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498 | } |
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499 | $url = duplicate_index_url( |
---|
500 | array( |
---|
501 | 'chronology_date' => |
---|
502 | array( |
---|
503 | $page['chronology_date'][CYEAR], |
---|
504 | $page['chronology_date'][CMONTH], |
---|
505 | $day |
---|
506 | ) |
---|
507 | ) |
---|
508 | ); |
---|
509 | $alt = $wday_labels[$dow] . ' ' . $day. |
---|
510 | ' ('.$items[$day]['nb_images'].')'; |
---|
511 | $template->assign_block_vars('calendar.thumbnails.row.col.full', |
---|
512 | array( |
---|
513 | 'LABEL' => $day, |
---|
514 | 'IMAGE' => $items[$day]['tn_path'], |
---|
515 | 'U_IMG_LINK'=> $url, |
---|
516 | 'STYLE' => $css_style, |
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517 | 'IMG_WIDTH' => $img_width, |
---|
518 | 'IMG_HEIGHT'=> $img_height, |
---|
519 | 'IMAGE_ALT' => $alt, |
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520 | ) |
---|
521 | ); |
---|
522 | } |
---|
523 | } |
---|
524 | //fill the empty days in the week after the last day of this month |
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525 | while ( $dow<6 ) |
---|
526 | { |
---|
527 | $template->assign_block_vars('calendar.thumbnails.row.col', array()); |
---|
528 | $template->assign_block_vars('calendar.thumbnails.row.col.blank', array()); |
---|
529 | $dow++; |
---|
530 | } |
---|
531 | $template->assign_var_from_handle('MONTH_CALENDAR', 'month_calendar'); |
---|
532 | } |
---|
533 | else |
---|
534 | { |
---|
535 | $template->assign_block_vars('thumbnails', array()); |
---|
536 | $template->assign_block_vars('thumbnails.line', array()); |
---|
537 | foreach ( $items as $day=>$data) |
---|
538 | { |
---|
539 | $url = duplicate_index_url( |
---|
540 | array( |
---|
541 | 'chronology_date' => |
---|
542 | array( |
---|
543 | $page['chronology_date'][CYEAR], |
---|
544 | $page['chronology_date'][CMONTH], |
---|
545 | $day |
---|
546 | ) |
---|
547 | ) |
---|
548 | ); |
---|
549 | |
---|
550 | $thumbnail_title = $lang['day'][$data['dow']] . ' ' . $day; |
---|
551 | $name = $thumbnail_title .' ('.$data['nb_images'].')'; |
---|
552 | |
---|
553 | $template->assign_block_vars( |
---|
554 | 'thumbnails.line.thumbnail', |
---|
555 | array( |
---|
556 | 'IMAGE'=>$data['tn_path'], |
---|
557 | 'IMAGE_ALT'=>$data['file'], |
---|
558 | 'IMAGE_TITLE'=>$thumbnail_title, |
---|
559 | 'U_IMG_LINK'=>$url |
---|
560 | ) |
---|
561 | ); |
---|
562 | $template->assign_block_vars( |
---|
563 | 'thumbnails.line.thumbnail.category_name', |
---|
564 | array( |
---|
565 | 'NAME' => $name |
---|
566 | ) |
---|
567 | ); |
---|
568 | } |
---|
569 | } |
---|
570 | |
---|
571 | return true; |
---|
572 | } |
---|
573 | |
---|
574 | } |
---|
575 | ?> |
---|