1 | <?php |
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2 | // +-----------------------------------------------------------------------+ |
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3 | // | Piwigo - a PHP based picture gallery | |
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4 | // +-----------------------------------------------------------------------+ |
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5 | // | Copyright(C) 2008-2009 Piwigo Team http://piwigo.org | |
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6 | // | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net | |
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7 | // | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick | |
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8 | // +-----------------------------------------------------------------------+ |
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9 | // | This program is free software; you can redistribute it and/or modify | |
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10 | // | it under the terms of the GNU General Public License as published by | |
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11 | // | the Free Software Foundation | |
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12 | // | | |
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13 | // | This program is distributed in the hope that it will be useful, but | |
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14 | // | WITHOUT ANY WARRANTY; without even the implied warranty of | |
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15 | // | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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16 | // | General Public License for more details. | |
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17 | // | | |
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18 | // | You should have received a copy of the GNU General Public License | |
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19 | // | along with this program; if not, write to the Free Software | |
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20 | // | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
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21 | // | USA. | |
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22 | // +-----------------------------------------------------------------------+ |
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23 | |
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24 | // +-----------------------------------------------------------------------+ |
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25 | // | functions | |
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26 | // +-----------------------------------------------------------------------+ |
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27 | |
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28 | function counter_compare($a, $b) |
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29 | { |
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30 | if ($a['counter'] == $b['counter']) |
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31 | { |
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32 | return id_compare($a, $b); |
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33 | } |
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34 | |
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35 | return ($a['counter'] < $b['counter']) ? +1 : -1; |
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36 | } |
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37 | |
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38 | function id_compare($a, $b) |
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39 | { |
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40 | return ($a['id'] < $b['id']) ? -1 : 1; |
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41 | } |
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42 | |
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43 | // +-----------------------------------------------------------------------+ |
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44 | // | initialization | |
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45 | // +-----------------------------------------------------------------------+ |
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46 | |
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47 | define('PHPWG_ROOT_PATH','./'); |
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48 | include_once(PHPWG_ROOT_PATH.'include/common.inc.php'); |
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49 | |
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50 | check_status(ACCESS_GUEST); |
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51 | |
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52 | // +-----------------------------------------------------------------------+ |
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53 | // | page header and options | |
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54 | // +-----------------------------------------------------------------------+ |
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55 | |
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56 | $title= l10n('Tags'); |
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57 | $page['body_id'] = 'theTagsPage'; |
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58 | |
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59 | $template->set_filenames(array('tags'=>'tags.tpl')); |
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60 | |
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61 | $page['display_mode'] = $conf['tags_default_display_mode']; |
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62 | if (isset($_GET['display_mode'])) |
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63 | { |
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64 | if (in_array($_GET['display_mode'], array('cloud', 'letters'))) |
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65 | { |
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66 | $page['display_mode'] = $_GET['display_mode']; |
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67 | } |
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68 | } |
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69 | |
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70 | foreach (array('cloud', 'letters') as $mode) |
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71 | { |
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72 | $template->assign( |
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73 | 'U_'.strtoupper($mode), |
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74 | get_root_url().'tags.php'. ($conf['tags_default_display_mode']==$mode ? '' : '?display_mode='.$mode) |
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75 | ); |
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76 | } |
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77 | |
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78 | $template->assign( 'display_mode', $page['display_mode'] ); |
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79 | |
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80 | // find all tags available for the current user |
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81 | $tags = get_available_tags(); |
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82 | |
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83 | // +-----------------------------------------------------------------------+ |
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84 | // | letter groups construction | |
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85 | // +-----------------------------------------------------------------------+ |
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86 | |
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87 | if ($page['display_mode'] == 'letters') { |
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88 | // we want tags diplayed in alphabetic order |
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89 | usort($tags, 'tag_alpha_compare'); |
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90 | |
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91 | $current_letter = null; |
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92 | $nb_tags = count($tags); |
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93 | $current_column = 1; |
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94 | $current_tag_idx = 0; |
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95 | |
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96 | $letter = array( |
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97 | 'tags' => array() |
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98 | ); |
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99 | |
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100 | foreach ($tags as $tag) |
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101 | { |
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102 | $tag_letter = strtoupper(substr($tag['url_name'], 0, 1)); |
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103 | |
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104 | if ($current_tag_idx==0) { |
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105 | $current_letter = $tag_letter; |
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106 | $letter['TITLE'] = $tag_letter; |
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107 | } |
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108 | |
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109 | //lettre precedente differente de la lettre suivante |
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110 | if ($tag_letter !== $current_letter) |
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111 | { |
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112 | if ($current_column<$conf['tag_letters_column_number'] |
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113 | and $current_tag_idx > $current_column*$nb_tags/$conf['tag_letters_column_number'] ) |
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114 | { |
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115 | $letter['CHANGE_COLUMN'] = true; |
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116 | $current_column++; |
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117 | } |
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118 | |
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119 | $letter['TITLE'] = $current_letter; |
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120 | |
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121 | $template->append( |
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122 | 'letters', |
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123 | $letter |
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124 | ); |
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125 | |
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126 | $current_letter = $tag_letter; |
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127 | $letter = array( |
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128 | 'tags' => array() |
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129 | ); |
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130 | } |
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131 | |
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132 | array_push( |
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133 | $letter['tags'], |
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134 | array_merge( |
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135 | $tag, |
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136 | array( |
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137 | 'URL' => make_index_url( |
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138 | array( |
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139 | 'tags' => array($tag), |
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140 | ) |
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141 | ), |
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142 | ) |
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143 | ) |
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144 | ); |
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145 | |
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146 | $current_tag_idx++; |
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147 | } |
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148 | |
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149 | // flush last letter |
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150 | if (count($letter['tags']) > 0) |
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151 | { |
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152 | unset($letter['CHANGE_COLUMN']); |
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153 | $letter['TITLE'] = $current_letter; |
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154 | $template->append( |
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155 | 'letters', |
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156 | $letter |
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157 | ); |
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158 | } |
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159 | } |
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160 | |
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161 | // +-----------------------------------------------------------------------+ |
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162 | // | tag cloud construction | |
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163 | // +-----------------------------------------------------------------------+ |
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164 | |
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165 | // we want only the first most represented tags, so we sort them by counter |
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166 | // and take the first tags |
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167 | usort($tags, 'counter_compare'); |
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168 | $tags = array_slice($tags, 0, $conf['full_tag_cloud_items_number']); |
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169 | |
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170 | // depending on its counter and the other tags counter, each tag has a level |
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171 | $tags = add_level_to_tags($tags); |
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172 | |
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173 | // we want tags diplayed in alphabetic order |
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174 | usort($tags, 'tag_alpha_compare'); |
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175 | |
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176 | // display sorted tags |
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177 | foreach ($tags as $tag) |
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178 | { |
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179 | $template->append( |
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180 | 'tags', |
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181 | array_merge( |
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182 | $tag, |
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183 | array( |
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184 | 'URL' => make_index_url( |
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185 | array( |
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186 | 'tags' => array($tag), |
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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 | ); |
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192 | } |
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193 | |
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194 | include(PHPWG_ROOT_PATH.'include/page_header.php'); |
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195 | $template->pparse('tags'); |
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196 | include(PHPWG_ROOT_PATH.'include/page_tail.php'); |
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197 | ?> |
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