1 | <?php |
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2 | /** |
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3 | * @file |
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4 | * Contains theme override functions and preprocess functions for the Zen theme. |
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5 | * |
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6 | * IMPORTANT WARNING: DO NOT MODIFY THIS FILE. |
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7 | * |
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8 | * The base Zen theme is designed to be easily extended by its sub-themes. You |
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9 | * shouldn't modify this or any of the CSS or PHP files in the root zen/ folder. |
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10 | * See the online documentation for more information: |
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11 | * http://drupal.org/node/193318 |
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12 | */ |
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13 | |||
14 | // Auto-rebuild the theme registry during theme development. |
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15 | if (theme_get_setting('zen_rebuild_registry')) { |
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16 | drupal_rebuild_theme_registry(); |
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17 | } |
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18 | |||
19 | |||
20 | /** |
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21 | * Implements HOOK_theme(). |
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22 | */ |
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23 | function zen_theme(&$existing, $type, $theme, $path) { |
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24 | // When #341140 is fixed, replace _zen_path() with drupal_get_path(). |
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25 | include_once './' . _zen_path() . '/zen-internals/template.theme-registry.inc'; |
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26 | return _zen_theme($existing, $type, $theme, $path); |
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27 | } |
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28 | |||
29 | /** |
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30 | * Return a themed breadcrumb trail. |
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31 | * |
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32 | * @param $breadcrumb |
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33 | * An array containing the breadcrumb links. |
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34 | * @return |
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35 | * A string containing the breadcrumb output. |
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36 | */ |
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37 | function zen_breadcrumb($breadcrumb) { |
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38 | // Determine if we are to display the breadcrumb. |
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39 | $show_breadcrumb = theme_get_setting('zen_breadcrumb'); |
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40 | if ($show_breadcrumb == 'yes' || $show_breadcrumb == 'admin' && arg(0) == 'admin') { |
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41 | |||
42 | // Optionally get rid of the homepage link. |
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43 | $show_breadcrumb_home = theme_get_setting('zen_breadcrumb_home'); |
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44 | if (!$show_breadcrumb_home) { |
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45 | array_shift($breadcrumb); |
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46 | } |
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47 | |||
48 | // Return the breadcrumb with separators. |
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49 | if (!empty($breadcrumb)) { |
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50 | $breadcrumb_separator = theme_get_setting('zen_breadcrumb_separator'); |
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51 | $trailing_separator = $title = ''; |
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52 | if (theme_get_setting('zen_breadcrumb_title')) { |
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53 | if ($title = drupal_get_title()) { |
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54 | $trailing_separator = $breadcrumb_separator; |
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55 | } |
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56 | } |
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57 | elseif (theme_get_setting('zen_breadcrumb_trailing')) { |
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58 | $trailing_separator = $breadcrumb_separator; |
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59 | } |
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60 | return '<div class="breadcrumb">' . implode($breadcrumb_separator, $breadcrumb) . "$trailing_separator$title</div>"; |
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61 | } |
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62 | } |
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63 | // Otherwise, return an empty string. |
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64 | return ''; |
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65 | } |
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66 | |||
67 | /** |
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68 | * Return a themed set of links. |
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69 | * |
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70 | * @param $links |
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71 | * A keyed array of links to be themed. |
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72 | * @param $attributes |
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73 | * A keyed array of attributes |
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74 | * @param $heading |
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75 | * An optional keyed array or a string for a heading to precede the links. |
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76 | * When using an array the following keys can be used: |
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77 | * - text: the heading text |
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78 | * - level: the heading level (e.g. 'h2', 'h3') |
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79 | * - class: (optional) a string of the CSS classes for the heading |
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80 | * When using a string it will be used as the text of the heading and the |
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81 | * level will default to 'h2'. |
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82 | * Headings should be used on navigation menus and any list of links that |
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83 | * consistently appears on multiple pages. To make the heading invisible |
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84 | * use the 'element-invisible' CSS class. Do not use 'display:none', which |
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85 | * removes it from screen-readers and assistive technology. Headings allow |
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86 | * screen-reader and keyboard only users to navigate to or skip the links. |
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87 | * See http://juicystudio.com/article/screen-readers-display-none.php |
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88 | * and http://www.w3.org/TR/WCAG-TECHS/H42.html for more information. |
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89 | * @return |
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90 | * A string containing an unordered list of links. |
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91 | */ |
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92 | function zen_links($links, $attributes = array('class' => 'links'), $heading = '') { |
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93 | global $language; |
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94 | $output = ''; |
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95 | |||
96 | if (count($links) > 0) { |
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97 | // Treat the heading first if it is present to prepend it to the |
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98 | // list of links. |
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99 | if (!empty($heading)) { |
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100 | if (is_string($heading)) { |
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101 | // Prepare the array that will be used when the passed heading |
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102 | // is a string. |
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103 | $heading = array( |
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104 | 'text' => $heading, |
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105 | // Set the default level of the heading. |
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106 | 'level' => 'h2', |
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107 | ); |
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108 | } |
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109 | $output .= '<' . $heading['level']; |
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110 | if (!empty($heading['class'])) { |
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111 | $output .= drupal_attributes(array('class' => $heading['class'])); |
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112 | } |
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113 | $output .= '>' . check_plain($heading['text']) . '</' . $heading['level'] . '>'; |
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114 | } |
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115 | |||
116 | $output .= '<ul'. drupal_attributes($attributes) .'>'; |
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117 | |||
118 | $num_links = count($links); |
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119 | $i = 1; |
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120 | |||
121 | foreach ($links as $key => $link) { |
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122 | $class = $key; |
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123 | |||
124 | // Add first, last and active classes to the list of links to help out themers. |
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125 | if ($i == 1) { |
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126 | $class .= ' first'; |
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127 | } |
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128 | if ($i == $num_links) { |
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129 | $class .= ' last'; |
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130 | } |
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131 | if (isset($link['href']) && ($link['href'] == $_GET['q'] || ($link['href'] == '<front>' && drupal_is_front_page())) |
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132 | && (empty($link['language']) || $link['language']->language == $language->language)) { |
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133 | $class .= ' active'; |
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134 | } |
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135 | $output .= '<li'. drupal_attributes(array('class' => $class)) .'>'; |
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136 | |||
137 | if (isset($link['href'])) { |
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138 | // Pass in $link as $options, they share the same keys. |
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139 | $output .= l($link['title'], $link['href'], $link); |
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140 | } |
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141 | else if (!empty($link['title'])) { |
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142 | // Some links are actually not links, but we wrap these in <span> for adding title and class attributes |
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143 | if (empty($link['html'])) { |
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144 | $link['title'] = check_plain($link['title']); |
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145 | } |
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146 | $span_attributes = ''; |
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147 | if (isset($link['attributes'])) { |
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148 | $span_attributes = drupal_attributes($link['attributes']); |
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149 | } |
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150 | $output .= '<span'. $span_attributes .'>'. $link['title'] .'</span>'; |
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151 | } |
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152 | |||
153 | $i++; |
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154 | $output .= "</li>\n"; |
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155 | } |
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156 | |||
157 | $output .= '</ul>'; |
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158 | } |
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159 | |||
160 | return $output; |
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161 | } |
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162 | |||
163 | /** |
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164 | * Implements theme_menu_item_link() |
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165 | */ |
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166 | function zen_menu_item_link($link) { |
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167 | if (empty($link['localized_options'])) { |
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168 | $link['localized_options'] = array(); |
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169 | } |
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170 | |||
171 | // If an item is a LOCAL TASK, render it as a tab |
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172 | if ($link['type'] & MENU_IS_LOCAL_TASK) { |
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173 | $link['title'] = '<span class="tab">' . check_plain($link['title']) . '</span>'; |
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174 | $link['localized_options']['html'] = TRUE; |
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175 | } |
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176 | |||
177 | return l($link['title'], $link['href'], $link['localized_options']); |
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178 | } |
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179 | |||
180 | /** |
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181 | * Duplicate of theme_menu_local_tasks() but adds clearfix to tabs. |
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182 | */ |
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183 | function zen_menu_local_tasks() { |
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184 | $output = ''; |
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185 | |||
186 | // CTools requires a different set of local task functions. |
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187 | if (module_exists('ctools')) { |
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188 | ctools_include('menu'); |
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189 | $primary = ctools_menu_primary_local_tasks(); |
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190 | $secondary = ctools_menu_secondary_local_tasks(); |
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191 | } |
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192 | else { |
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193 | $primary = menu_primary_local_tasks(); |
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194 | $secondary = menu_secondary_local_tasks(); |
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195 | } |
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196 | |||
197 | if ($primary) { |
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198 | $output .= '<ul class="tabs primary clearfix">' . $primary . '</ul>'; |
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199 | } |
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200 | if ($secondary) { |
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201 | $output .= '<ul class="tabs secondary clearfix">' . $secondary . '</ul>'; |
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202 | } |
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203 | |||
204 | return $output; |
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205 | } |
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206 | |||
207 | /** |
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208 | * Return a set of blocks available for the current user. |
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209 | * |
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210 | * @param $region |
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211 | * Which set of blocks to retrieve. |
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212 | * @param $show_blocks |
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213 | * A boolean to determine whether to render sidebar regions or not. Should be |
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214 | * the same value as passed to theme_page. |
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215 | * @return |
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216 | * A string containing the themed blocks for this region. |
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217 | * |
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218 | * @see zen_show_blocks_discovery() |
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219 | */ |
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220 | function zen_blocks($region, $show_blocks = NULL) { |
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221 | // Since Drupal 6 doesn't pass $show_blocks to theme_blocks, we manually call |
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222 | // theme('blocks', NULL, $show_blocks) so that this function can remember the |
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223 | // value on later calls. |
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224 | static $render_sidebars = TRUE; |
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225 | if (!is_null($show_blocks)) { |
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226 | $render_sidebars = $show_blocks; |
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227 | } |
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228 | |||
229 | // If zen_blocks was called with a NULL region, its likely we were just |
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230 | // setting the $render_sidebars static variable. |
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231 | if ($region) { |
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232 | $output = ''; |
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233 | |||
234 | // If $renders_sidebars is FALSE, don't render any region whose name begins |
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235 | // with "sidebar_". |
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236 | if ($render_sidebars || (strpos($region, 'sidebar_') !== 0)) { |
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237 | // Allow context module to set blocks. |
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238 | if (function_exists('context_blocks')) { |
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239 | $output = context_blocks($region); |
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240 | } |
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241 | else { |
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242 | foreach (block_list($region) as $key => $block) { |
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243 | // $key == module_delta |
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244 | $output .= theme('block', $block); |
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245 | } |
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246 | } |
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247 | } |
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248 | |||
249 | // Add any content assigned to this region through drupal_set_content() calls. |
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250 | $output .= drupal_get_content($region); |
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251 | |||
252 | $elements['#children'] = $output; |
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253 | $elements['#region'] = $region; |
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254 | |||
255 | // Set the theme hook suggestions. |
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256 | $hook = array('region_' . $region); |
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257 | if (strpos($region, 'sidebar_') === 0) { |
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258 | $hook[] = 'region_sidebar'; |
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259 | } |
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260 | $hook[] = 'region'; |
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261 | return $output ? theme($hook, $elements) : ''; |
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262 | } |
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263 | } |
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264 | |||
265 | /** |
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266 | * Examine the $show_blocks variable before template_preprocess_page() is called. |
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267 | * |
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268 | * @param $vars |
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269 | * An array of variables to pass to the page template. |
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270 | * |
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271 | * @see zen_blocks() |
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272 | */ |
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273 | function zen_show_blocks_discovery(&$vars) { |
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274 | if ($vars['show_blocks'] == FALSE) { |
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275 | // Allow zen_blocks() to statically cache the $show_blocks variable. A TRUE |
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276 | // value is assumed, so we only need to override when $show_blocks is FALSE. |
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277 | theme('blocks', NULL, FALSE); |
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278 | } |
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279 | } |
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280 | |||
281 | /** |
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282 | * Override or insert variables into templates before other preprocess functions have run. |
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283 | * |
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284 | * @param $vars |
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285 | * An array of variables to pass to the theme template. |
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286 | * @param $hook |
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287 | * The name of the template being rendered. |
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288 | */ |
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289 | function zen_preprocess(&$vars, $hook) { |
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290 | // In D6, the page.tpl uses a different variable name to hold the classes. |
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291 | $key = ($hook == 'page' || $hook == 'maintenance_page') ? 'body_classes' : 'classes'; |
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292 | |||
293 | // Create a D7-standard classes_array variable. |
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294 | if (array_key_exists($key, $vars)) { |
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295 | // Views (and possibly other modules) have templates with a $classes |
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296 | // variable that isn't a string, so we leave those variables alone. |
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297 | if (is_string($vars[$key])) { |
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298 | $vars['classes_array'] = explode(' ', $hook . ' ' . $vars[$key]); |
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299 | unset($vars[$key]); |
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300 | } |
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301 | } |
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302 | else { |
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303 | $vars['classes_array'] = array($hook); |
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304 | } |
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305 | // Add support for Skinr |
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306 | if (!empty($vars['skinr']) && array_key_exists('classes_array', $vars)) { |
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307 | $vars['classes_array'][] = $vars['skinr']; |
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308 | } |
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309 | } |
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310 | |||
311 | /** |
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312 | * Override or insert variables into the page templates. |
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313 | * |
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314 | * @param $vars |
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315 | * An array of variables to pass to the theme template. |
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316 | * @param $hook |
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317 | * The name of the template being rendered ("page" in this case.) |
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318 | */ |
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319 | function zen_preprocess_page(&$vars, $hook) { |
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320 | // If the user is silly and enables Zen as the theme, add some styles. |
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321 | if ($GLOBALS['theme'] == 'zen') { |
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322 | include_once './' . _zen_path() . '/zen-internals/template.zen.inc'; |
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323 | _zen_preprocess_page($vars, $hook); |
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324 | } |
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325 | // Add conditional stylesheets. |
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326 | elseif (!module_exists('conditional_styles')) { |
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327 | $language = $GLOBALS['language']->direction == LANGUAGE_RTL ? '_rtl' : ''; |
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328 | $vars['conditional_styles'] = variable_get('conditional_styles_' . $GLOBALS['theme'] . $language, ''); |
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329 | $vars['styles'] .= $vars['conditional_styles']; |
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330 | } |
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331 | |||
332 | // Classes for body element. Allows advanced theming based on context |
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333 | // (home page, node of certain type, etc.) |
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334 | // Remove the mostly useless page-ARG0 class. |
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335 | if ($index = array_search(preg_replace('![^abcdefghijklmnopqrstuvwxyz0-9-_]+!s', '', 'page-'. drupal_strtolower(arg(0))), $vars['classes_array'])) { |
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336 | unset($vars['classes_array'][$index]); |
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337 | } |
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338 | if (!$vars['is_front']) { |
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339 | // Add unique class for each page. |
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340 | $path = drupal_get_path_alias($_GET['q']); |
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341 | $vars['classes_array'][] = drupal_html_class('page-' . $path); |
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342 | // Add unique class for each website section. |
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343 | list($section, ) = explode('/', $path, 2); |
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344 | if (arg(0) == 'node') { |
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345 | if (arg(1) == 'add') { |
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346 | $section = 'node-add'; |
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347 | } |
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348 | elseif (is_numeric(arg(1)) && (arg(2) == 'edit' || arg(2) == 'delete')) { |
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349 | $section = 'node-' . arg(2); |
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350 | } |
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351 | } |
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352 | $vars['classes_array'][] = drupal_html_class('section-' . $section); |
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353 | } |
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354 | if (theme_get_setting('zen_wireframes')) { |
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355 | $vars['classes_array'][] = 'with-wireframes'; // Optionally add the wireframes style. |
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356 | } |
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357 | // We need to re-do the $layout and body classes because |
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358 | // template_preprocess_page() assumes sidebars are named 'left' and 'right'. |
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359 | $vars['layout'] = 'none'; |
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360 | if (!empty($vars['sidebar_first'])) { |
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361 | $vars['layout'] = 'first'; |
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362 | } |
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363 | if (!empty($vars['sidebar_second'])) { |
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364 | $vars['layout'] = ($vars['layout'] == 'first') ? 'both' : 'second'; |
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365 | } |
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366 | // If the layout is 'none', then template_preprocess_page() will already have |
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367 | // set a 'no-sidebars' class since it won't find a 'left' or 'right' sidebar. |
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368 | if ($vars['layout'] != 'none') { |
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369 | // Remove the incorrect 'no-sidebars' class. |
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370 | if ($index = array_search('no-sidebars', $vars['classes_array'])) { |
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371 | unset($vars['classes_array'][$index]); |
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372 | } |
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373 | // Set the proper layout body classes. |
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374 | if ($vars['layout'] == 'both') { |
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375 | $vars['classes_array'][] = 'two-sidebars'; |
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376 | } |
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377 | else { |
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378 | $vars['classes_array'][] = 'one-sidebar'; |
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379 | $vars['classes_array'][] = 'sidebar-' . $vars['layout']; |
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380 | } |
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381 | } |
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382 | // Store the menu item since it has some useful information. |
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383 | $vars['menu_item'] = menu_get_item(); |
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384 | switch ($vars['menu_item']['page_callback']) { |
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385 | case 'views_page': |
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386 | // Is this a Views page? |
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387 | $vars['classes_array'][] = 'page-views'; |
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388 | break; |
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389 | case 'page_manager_page_execute': |
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390 | case 'page_manager_node_view': |
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391 | case 'page_manager_contact_site': |
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392 | // Is this a Panels page? |
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393 | $vars['classes_array'][] = 'page-panels'; |
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394 | break; |
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395 | } |
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396 | } |
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397 | |||
398 | /** |
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399 | * Override or insert variables into the maintenance page template. |
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400 | * |
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401 | * @param $vars |
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402 | * An array of variables to pass to the theme template. |
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403 | * @param $hook |
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404 | * The name of the template being rendered ("maintenance_page" in this case.) |
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405 | */ |
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406 | function zen_preprocess_maintenance_page(&$vars, $hook) { |
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407 | // If Zen is the maintenance theme, add some styles. |
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408 | if ($GLOBALS['theme'] == 'zen') { |
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409 | include_once './' . _zen_path() . '/zen-internals/template.zen.inc'; |
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410 | _zen_preprocess_page($vars, $hook); |
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411 | } |
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412 | // Add conditional stylesheets. |
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413 | elseif (!module_exists('conditional_styles')) { |
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414 | $language = $GLOBALS['language']->direction == LANGUAGE_RTL ? '_rtl' : ''; |
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415 | $vars['conditional_styles'] = variable_get('conditional_styles_' . $GLOBALS['theme'] . $language, ''); |
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416 | $vars['styles'] .= $vars['conditional_styles']; |
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417 | } |
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418 | } |
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419 | |||
420 | /** |
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421 | * Override or insert variables into the node templates. |
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422 | * |
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423 | * @param $vars |
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424 | * An array of variables to pass to the theme template. |
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425 | * @param $hook |
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426 | * The name of the template being rendered ("node" in this case.) |
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427 | */ |
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428 | function zen_preprocess_node(&$vars, $hook) { |
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429 | // Create the build_mode variable. |
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430 | switch ($vars['node']->build_mode) { |
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431 | case NODE_BUILD_NORMAL: |
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432 | if ($vars['node']->build_mode === NODE_BUILD_NORMAL) { |
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433 | $vars['build_mode'] = $vars['teaser'] ? 'teaser' : 'full'; |
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434 | } |
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435 | else { |
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436 | $vars['build_mode'] = $vars['node']->build_mode; |
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437 | } |
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438 | break; |
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439 | case NODE_BUILD_PREVIEW: |
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440 | $vars['build_mode'] = 'preview'; |
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441 | break; |
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442 | case NODE_BUILD_SEARCH_INDEX: |
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443 | $vars['build_mode'] = 'search_index'; |
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444 | break; |
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445 | case NODE_BUILD_SEARCH_RESULT: |
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446 | $vars['build_mode'] = 'search_result'; |
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447 | break; |
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448 | case NODE_BUILD_RSS: |
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449 | $vars['build_mode'] = 'rss'; |
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450 | break; |
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451 | case NODE_BUILD_PRINT: |
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452 | $vars['build_mode'] = 'print'; |
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453 | break; |
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454 | default: |
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455 | $vars['build_mode'] = $vars['node']->build_mode; |
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456 | } |
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457 | |||
458 | // Create the user_picture variable. |
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459 | $vars['user_picture'] = $vars['picture']; |
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460 | |||
461 | // Create the Drupal 7 $display_submitted variable. |
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462 | $vars['display_submitted'] = theme_get_setting('toggle_node_info_' . $vars['node']->type); |
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463 | |||
464 | // Special classes for nodes. |
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465 | // Class for node type: "node-type-page", "node-type-story", "node-type-my-custom-type", etc. |
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466 | $vars['classes_array'][] = drupal_html_class('node-type-' . $vars['type']); |
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467 | if ($vars['promote']) { |
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468 | $vars['classes_array'][] = 'node-promoted'; |
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469 | } |
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470 | if ($vars['sticky']) { |
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471 | $vars['classes_array'][] = 'node-sticky'; |
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472 | } |
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473 | if (!$vars['status']) { |
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474 | $vars['classes_array'][] = 'node-unpublished'; |
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475 | $vars['unpublished'] = TRUE; |
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476 | } |
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477 | else { |
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478 | $vars['unpublished'] = FALSE; |
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479 | } |
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480 | if ($vars['uid'] && $vars['uid'] == $GLOBALS['user']->uid) { |
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481 | $vars['classes_array'][] = 'node-by-viewer'; // Node is authored by current user. |
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482 | } |
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483 | if ($vars['teaser']) { |
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484 | $vars['classes_array'][] = 'node-teaser'; // Node is displayed as teaser. |
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485 | } |
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486 | if (isset($vars['preview'])) { |
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487 | $vars['classes_array'][] = 'node-preview'; |
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488 | } |
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489 | $vars['classes_array'][] = 'build-mode-' . $vars['build_mode'] ; |
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490 | } |
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491 | |||
492 | /** |
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493 | * Override or insert variables into the comment templates. |
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494 | * |
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495 | * @param $vars |
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496 | * An array of variables to pass to the theme template. |
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497 | * @param $hook |
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498 | * The name of the template being rendered ("comment" in this case.) |
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499 | */ |
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500 | function zen_preprocess_comment(&$vars, $hook) { |
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501 | include_once './' . _zen_path() . '/zen-internals/template.comment.inc'; |
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502 | _zen_preprocess_comment($vars, $hook); |
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503 | } |
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504 | |||
505 | /** |
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506 | * Preprocess variables for region.tpl.php |
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507 | * |
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508 | * Prepare the values passed to the theme_region function to be passed into a |
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509 | * pluggable template engine. |
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510 | * |
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511 | * @see region.tpl.php |
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512 | */ |
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513 | function zen_preprocess_region(&$vars, $hook) { |
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514 | // Create the $content variable that templates expect. |
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515 | $vars['content'] = $vars['elements']['#children']; |
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516 | $vars['region'] = $vars['elements']['#region']; |
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517 | |||
518 | // Setup the default classes. |
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519 | $vars['classes_array'] = array('region', 'region-' . str_replace('_', '-', $vars['region'])); |
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520 | |||
521 | // Sidebar regions get a couple extra classes. |
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522 | if (strpos($vars['region'], 'sidebar_') === 0) { |
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523 | $vars['classes_array'][] = 'column'; |
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524 | $vars['classes_array'][] = 'sidebar'; |
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525 | } |
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526 | } |
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527 | |||
528 | /** |
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529 | * Override or insert variables into the block templates. |
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530 | * |
||
531 | * @param $vars |
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532 | * An array of variables to pass to the theme template. |
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533 | * @param $hook |
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534 | * The name of the template being rendered ("block" in this case.) |
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535 | */ |
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536 | function zen_preprocess_block(&$vars, $hook) { |
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537 | $block = $vars['block']; |
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538 | |||
539 | // Drupal 7 uses a $content variable instead of $block->content. |
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540 | $vars['content'] = $block->content; |
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541 | // Drupal 7 should use a $title variable instead of $block->subject. |
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542 | $vars['title'] = $block->subject; |
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543 | |||
544 | // Special classes for blocks. |
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545 | $vars['classes_array'][] = 'block-' . $block->module; |
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546 | // Classes describing the position of the block within the region. |
||
547 | if ($vars['block_id'] == 1) { |
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548 | $vars['classes_array'][] = 'first'; |
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549 | } |
||
550 | if (!function_exists('context_blocks') && count(block_list($vars['block']->region)) == $vars['block_id']) { |
||
551 | $vars['classes_array'][] = 'last'; |
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552 | } |
||
553 | $vars['classes_array'][] = 'region-' . $vars['block_zebra']; |
||
554 | $vars['classes_array'][] = $vars['zebra']; |
||
555 | $vars['classes_array'][] = 'region-count-' . $vars['block_id']; |
||
556 | $vars['classes_array'][] = 'count-' . $vars['id']; |
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557 | |||
558 | // Create the block ID. |
||
559 | $vars['block_html_id'] = 'block-' . $block->module . '-' . $block->delta; |
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560 | |||
561 | $vars['edit_links_array'] = array(); |
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562 | if (theme_get_setting('zen_block_editing') && user_access('administer blocks')) { |
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563 | include_once './' . _zen_path() . '/zen-internals/template.block-editing.inc'; |
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564 | zen_preprocess_block_editing($vars, $hook); |
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565 | $vars['classes_array'][] = 'with-block-editing'; |
||
566 | } |
||
567 | } |
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568 | |||
569 | /** |
||
570 | * Override or insert variables into templates after preprocess functions have run. |
||
571 | * |
||
572 | * @param $vars |
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573 | * An array of variables to pass to the theme template. |
||
574 | * @param $hook |
||
575 | * The name of the template being rendered. |
||
576 | */ |
||
577 | function zen_process(&$vars, $hook) { |
||
578 | // Don't clobber Views 3 classes. |
||
579 | if (array_key_exists('classes_array', $vars) && !array_key_exists('classes', $vars)) { |
||
580 | $vars['classes'] = implode(' ', $vars['classes_array']); |
||
581 | } |
||
582 | } |
||
583 | |||
584 | /** |
||
585 | * Override or insert variables into the block templates after preprocess functions have run. |
||
586 | * |
||
587 | * @param $vars |
||
588 | * An array of variables to pass to the theme template. |
||
589 | * @param $hook |
||
590 | * The name of the template being rendered ("block" in this case.) |
||
591 | */ |
||
592 | function zen_process_block(&$vars, $hook) { |
||
593 | $vars['edit_links'] = !empty($vars['edit_links_array']) ? '<div class="edit">' . implode(' ', $vars['edit_links_array']) . '</div>' : ''; |
||
594 | } |
||
595 | |||
596 | if (!function_exists('drupal_html_class')) { |
||
597 | /** |
||
598 | * Prepare a string for use as a valid class name. |
||
599 | * |
||
600 | * Do not pass one string containing multiple classes as they will be |
||
601 | * incorrectly concatenated with dashes, i.e. "one two" will become "one-two". |
||
602 | * |
||
603 | * @param $class |
||
604 | * The class name to clean. |
||
605 | * @return |
||
606 | * The cleaned class name. |
||
607 | */ |
||
608 | function drupal_html_class($class) { |
||
609 | // By default, we filter using Drupal's coding standards. |
||
610 | $class = strtr(drupal_strtolower($class), array(' ' => '-', '_' => '-', '/' => '-', '[' => '-', ']' => '')); |
||
611 | |||
612 | // http://www.w3.org/TR/CSS21/syndata.html#characters shows the syntax for valid |
||
613 | // CSS identifiers (including element names, classes, and IDs in selectors.) |
||
614 | // |
||
615 | // Valid characters in a CSS identifier are: |
||
616 | // - the hyphen (U+002D) |
||
617 | // - a-z (U+0030 - U+0039) |
||
618 | // - A-Z (U+0041 - U+005A) |
||
619 | // - the underscore (U+005F) |
||
620 | // - 0-9 (U+0061 - U+007A) |
||
621 | // - ISO 10646 characters U+00A1 and higher |
||
622 | // We strip out any character not in the above list. |
||
623 | $class = preg_replace('/[^\x{002D}\x{0030}-\x{0039}\x{0041}-\x{005A}\x{005F}\x{0061}-\x{007A}\x{00A1}-\x{FFFF}]/u', '', $class); |
||
624 | |||
625 | return $class; |
||
626 | } |
||
627 | } /* End of drupal_html_class conditional definition. */ |
||
628 | |||
629 | if (!function_exists('drupal_html_id')) { |
||
630 | /** |
||
631 | * Prepare a string for use as a valid HTML ID and guarantee uniqueness. |
||
632 | * |
||
633 | * @param $id |
||
634 | * The ID to clean. |
||
635 | * @return |
||
636 | * The cleaned ID. |
||
637 | */ |
||
638 | function drupal_html_id($id) { |
||
639 | $id = strtr(drupal_strtolower($id), array(' ' => '-', '_' => '-', '[' => '-', ']' => '')); |
||
640 | |||
641 | // As defined in http://www.w3.org/TR/html4/types.html#type-name, HTML IDs can |
||
642 | // only contain letters, digits ([0-9]), hyphens ("-"), underscores ("_"), |
||
643 | // colons (":"), and periods ("."). We strip out any character not in that |
||
644 | // list. Note that the CSS spec doesn't allow colons or periods in identifiers |
||
645 | // (http://www.w3.org/TR/CSS21/syndata.html#characters), so we strip those two |
||
646 | // characters as well. |
||
647 | $id = preg_replace('/[^A-Za-z0-9\-_]/', '', $id); |
||
648 | |||
649 | return $id; |
||
650 | } |
||
651 | } /* End of drupal_html_id conditional definition. */ |
||
652 | |||
653 | /** |
||
654 | * Returns the path to the Zen theme. |
||
655 | * |
||
656 | * drupal_get_filename() is broken; see #341140. When that is fixed in Drupal 6, |
||
657 | * replace _zen_path() with drupal_get_path('theme', 'zen'). |
||
658 | */ |
||
659 | function _zen_path() { |
||
660 | static $path = FALSE; |
||
661 | if (!$path) { |
||
662 | $matches = drupal_system_listing('zen\.info$', 'themes', 'name', 0); |
||
663 | if (!empty($matches['zen']->filename)) { |
||
664 | $path = dirname($matches['zen']->filename); |
||
665 | } |
||
666 | } |
||
667 | return $path; |
||
668 | } |
||
669 |