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1 <?php |
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2 // $Id: forum.admin.inc,v 1.8.2.1 2009/05/26 08:13:00 goba Exp $ |
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3 |
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4 /** |
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5 * @file |
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6 * Administrative page callbacks for the forum module. |
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7 */ |
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8 |
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9 function forum_form_main($type, $edit = array()) { |
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10 if ((isset($_POST['op']) && $_POST['op'] == t('Delete')) || !empty($_POST['confirm'])) { |
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11 return drupal_get_form('forum_confirm_delete', $edit['tid']); |
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12 } |
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13 switch ($type) { |
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14 case 'forum': |
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15 return drupal_get_form('forum_form_forum', $edit); |
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16 break; |
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17 case 'container': |
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18 return drupal_get_form('forum_form_container', $edit); |
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19 break; |
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20 } |
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21 } |
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22 |
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23 /** |
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24 * Returns a form for adding a forum to the forum vocabulary |
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25 * |
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26 * @param $edit Associative array containing a forum term to be added or edited. |
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27 * @ingroup forms |
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28 * @see forum_form_submit() |
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29 */ |
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30 function forum_form_forum(&$form_state, $edit = array()) { |
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31 $edit += array( |
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32 'name' => '', |
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33 'description' => '', |
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34 'tid' => NULL, |
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35 'weight' => 0, |
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36 ); |
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37 $form['name'] = array('#type' => 'textfield', |
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38 '#title' => t('Forum name'), |
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39 '#default_value' => $edit['name'], |
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40 '#maxlength' => 255, |
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41 '#description' => t('Short but meaningful name for this collection of threaded discussions.'), |
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42 '#required' => TRUE, |
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43 ); |
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44 $form['description'] = array('#type' => 'textarea', |
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45 '#title' => t('Description'), |
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46 '#default_value' => $edit['description'], |
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47 '#description' => t('Description and guidelines for discussions within this forum.'), |
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48 ); |
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49 $form['parent']['#tree'] = TRUE; |
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50 $form['parent'][0] = _forum_parent_select($edit['tid'], t('Parent'), 'forum'); |
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51 $form['weight'] = array('#type' => 'weight', |
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52 '#title' => t('Weight'), |
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53 '#default_value' => $edit['weight'], |
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54 '#description' => t('Forums are displayed in ascending order by weight (forums with equal weights are displayed alphabetically).'), |
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55 ); |
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56 |
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57 $form['vid'] = array('#type' => 'hidden', '#value' => variable_get('forum_nav_vocabulary', '')); |
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58 $form['submit' ] = array('#type' => 'submit', '#value' => t('Save')); |
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59 if ($edit['tid']) { |
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60 $form['delete'] = array('#type' => 'submit', '#value' => t('Delete')); |
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61 $form['tid'] = array('#type' => 'hidden', '#value' => $edit['tid']); |
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62 } |
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63 $form['#submit'][] = 'forum_form_submit'; |
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64 $form['#theme'] = 'forum_form'; |
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65 |
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66 return $form; |
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67 } |
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68 |
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69 /** |
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70 * Process forum form and container form submissions. |
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71 */ |
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72 function forum_form_submit($form, &$form_state) { |
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73 if ($form['form_id']['#value'] == 'forum_form_container') { |
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74 $container = TRUE; |
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75 $type = t('forum container'); |
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76 } |
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77 else { |
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78 $container = FALSE; |
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79 $type = t('forum'); |
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80 } |
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81 |
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82 $status = taxonomy_save_term($form_state['values']); |
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83 switch ($status) { |
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84 case SAVED_NEW: |
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85 if ($container) { |
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86 $containers = variable_get('forum_containers', array()); |
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87 $containers[] = $form_state['values']['tid']; |
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88 variable_set('forum_containers', $containers); |
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89 } |
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90 drupal_set_message(t('Created new @type %term.', array('%term' => $form_state['values']['name'], '@type' => $type))); |
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91 break; |
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92 case SAVED_UPDATED: |
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93 drupal_set_message(t('The @type %term has been updated.', array('%term' => $form_state['values']['name'], '@type' => $type))); |
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94 break; |
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95 } |
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96 $form_state['redirect'] = 'admin/content/forum'; |
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97 return; |
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98 } |
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99 |
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100 /** |
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101 * Returns a form for adding a container to the forum vocabulary |
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102 * |
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103 * @param $edit Associative array containing a container term to be added or edited. |
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104 * @ingroup forms |
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105 * @see forum_form_submit() |
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106 */ |
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107 function forum_form_container(&$form_state, $edit = array()) { |
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108 $edit += array( |
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109 'name' => '', |
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110 'description' => '', |
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111 'tid' => NULL, |
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112 'weight' => 0, |
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113 ); |
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114 // Handle a delete operation. |
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115 $form['name'] = array( |
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116 '#title' => t('Container name'), |
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117 '#type' => 'textfield', |
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118 '#default_value' => $edit['name'], |
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119 '#maxlength' => 255, |
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120 '#description' => t('Short but meaningful name for this collection of related forums.'), |
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121 '#required' => TRUE |
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122 ); |
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123 |
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124 $form['description'] = array( |
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125 '#type' => 'textarea', |
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126 '#title' => t('Description'), |
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127 '#default_value' => $edit['description'], |
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128 '#description' => t('Description and guidelines for forums within this container.') |
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129 ); |
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130 $form['parent']['#tree'] = TRUE; |
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131 $form['parent'][0] = _forum_parent_select($edit['tid'], t('Parent'), 'container'); |
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132 $form['weight'] = array( |
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133 '#type' => 'weight', |
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134 '#title' => t('Weight'), |
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135 '#default_value' => $edit['weight'], |
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136 '#description' => t('Containers are displayed in ascending order by weight (containers with equal weights are displayed alphabetically).') |
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137 ); |
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138 |
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139 $form['vid'] = array( |
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140 '#type' => 'hidden', |
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141 '#value' => variable_get('forum_nav_vocabulary', ''), |
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142 ); |
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143 $form['submit'] = array( |
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144 '#type' => 'submit', |
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145 '#value' => t('Save') |
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146 ); |
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147 if ($edit['tid']) { |
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148 $form['delete'] = array('#type' => 'submit', '#value' => t('Delete')); |
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149 $form['tid'] = array('#type' => 'value', '#value' => $edit['tid']); |
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150 } |
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151 $form['#submit'][] = 'forum_form_submit'; |
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152 $form['#theme'] = 'forum_form'; |
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153 |
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154 return $form; |
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155 } |
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156 |
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157 /** |
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158 * Returns a confirmation page for deleting a forum taxonomy term. |
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159 * |
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160 * @param $tid ID of the term to be deleted |
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161 */ |
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162 function forum_confirm_delete(&$form_state, $tid) { |
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163 $term = taxonomy_get_term($tid); |
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164 |
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165 $form['tid'] = array('#type' => 'value', '#value' => $tid); |
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166 $form['name'] = array('#type' => 'value', '#value' => $term->name); |
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167 |
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168 return confirm_form($form, t('Are you sure you want to delete the forum %name?', array('%name' => $term->name)), 'admin/content/forum', t('Deleting a forum or container will also delete its sub-forums, if any. To delete posts in this forum, visit <a href="@content">content administration</a> first. This action cannot be undone.', array('@content' => url('admin/content/node'))), t('Delete'), t('Cancel')); |
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169 } |
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170 |
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171 /** |
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172 * Implementation of forms api _submit call. Deletes a forum after confirmation. |
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173 */ |
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174 function forum_confirm_delete_submit($form, &$form_state) { |
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175 taxonomy_del_term($form_state['values']['tid']); |
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176 drupal_set_message(t('The forum %term and all sub-forums and associated posts have been deleted.', array('%term' => $form_state['values']['name']))); |
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177 watchdog('content', 'forum: deleted %term and all its sub-forums and associated posts.', array('%term' => $form_state['values']['name'])); |
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178 |
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179 $form_state['redirect'] = 'admin/content/forum'; |
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180 return; |
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181 } |
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182 |
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183 /** |
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184 * Form builder for the forum settings page. |
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185 * |
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186 * @see system_settings_form() |
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187 */ |
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188 function forum_admin_settings() { |
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189 $form = array(); |
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190 $number = drupal_map_assoc(array(5, 10, 15, 20, 25, 30, 35, 40, 50, 60, 80, 100, 150, 200, 250, 300, 350, 400, 500)); |
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191 $form['forum_hot_topic'] = array('#type' => 'select', |
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192 '#title' => t('Hot topic threshold'), |
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193 '#default_value' => variable_get('forum_hot_topic', 15), |
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194 '#options' => $number, |
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195 '#description' => t('The number of posts a topic must have to be considered "hot".'), |
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196 ); |
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197 $number = drupal_map_assoc(array(10, 25, 50, 75, 100)); |
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198 $form['forum_per_page'] = array('#type' => 'select', |
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199 '#title' => t('Topics per page'), |
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200 '#default_value' => variable_get('forum_per_page', 25), |
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201 '#options' => $number, |
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202 '#description' => t('Default number of forum topics displayed per page.'), |
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203 ); |
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204 $forder = array(1 => t('Date - newest first'), 2 => t('Date - oldest first'), 3 => t('Posts - most active first'), 4 => t('Posts - least active first')); |
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205 $form['forum_order'] = array('#type' => 'radios', |
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206 '#title' => t('Default order'), |
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207 '#default_value' => variable_get('forum_order', '1'), |
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208 '#options' => $forder, |
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209 '#description' => t('Default display order for topics.'), |
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210 ); |
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211 return system_settings_form($form); |
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212 } |
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213 |
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214 /** |
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215 * Returns an overview list of existing forums and containers |
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216 */ |
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217 function forum_overview(&$form_state) { |
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218 module_load_include('inc', 'taxonomy', 'taxonomy.admin'); |
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219 |
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220 $vid = variable_get('forum_nav_vocabulary', ''); |
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221 $vocabulary = taxonomy_vocabulary_load($vid); |
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222 $form = taxonomy_overview_terms($form_state, $vocabulary); |
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223 |
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224 foreach (element_children($form) as $key) { |
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225 if (isset($form[$key]['#term'])) { |
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226 $term = $form[$key]['#term']; |
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227 $form[$key]['view']['#value'] = l($term['name'], 'forum/'. $term['tid']); |
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228 if (in_array($form[$key]['#term']['tid'], variable_get('forum_containers', array()))) { |
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229 $form[$key]['edit']['#value'] = l(t('edit container'), 'admin/content/forum/edit/container/'. $term['tid']); |
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230 } |
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231 else { |
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232 $form[$key]['edit']['#value'] = l(t('edit forum'), 'admin/content/forum/edit/forum/'. $term['tid']); |
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233 } |
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234 } |
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235 } |
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236 |
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237 // Remove the alphabetical reset. |
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238 unset($form['reset_alphabetical']); |
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239 |
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240 // The form needs to have submit and validate handlers set explicitly. |
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241 $form['#theme'] = 'taxonomy_overview_terms'; |
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242 $form['#submit'] = array('taxonomy_overview_terms_submit'); // Use the existing taxonomy overview submit handler. |
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243 $form['#validate'] = array('taxonomy_overview_terms_validate'); |
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244 $form['#empty_text'] = '<em>'. t('There are no existing containers or forums. Containers and forums may be added using the <a href="@container">add container</a> and <a href="@forum">add forum</a> pages.', array('@container' => url('admin/content/forum/add/container'), '@forum' => url('admin/content/forum/add/forum'))) .'</em>'; |
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245 return $form; |
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246 } |
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247 |
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248 /** |
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249 * Returns a select box for available parent terms |
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250 * |
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251 * @param $tid ID of the term which is being added or edited |
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252 * @param $title Title to display the select box with |
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253 * @param $child_type Whether the child is forum or container |
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254 */ |
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255 function _forum_parent_select($tid, $title, $child_type) { |
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256 |
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257 $parents = taxonomy_get_parents($tid); |
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258 if ($parents) { |
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259 $parent = array_shift($parents); |
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260 $parent = $parent->tid; |
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261 } |
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262 else { |
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263 $parent = 0; |
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264 } |
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265 |
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266 $vid = variable_get('forum_nav_vocabulary', ''); |
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267 $children = taxonomy_get_tree($vid, $tid); |
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268 |
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269 // A term can't be the child of itself, nor of its children. |
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270 foreach ($children as $child) { |
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271 $exclude[] = $child->tid; |
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272 } |
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273 $exclude[] = $tid; |
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274 |
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275 $tree = taxonomy_get_tree($vid); |
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276 $options[0] = '<'. t('root') .'>'; |
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277 if ($tree) { |
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278 foreach ($tree as $term) { |
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279 if (!in_array($term->tid, $exclude)) { |
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280 $options[$term->tid] = str_repeat(' -- ', $term->depth) . $term->name; |
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281 } |
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282 } |
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283 } |
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284 if ($child_type == 'container') { |
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285 $description = t('Containers are usually placed at the top (root) level, but may also be placed inside another container or forum.'); |
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286 } |
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287 else if ($child_type == 'forum') { |
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288 $description = t('Forums may be placed at the top (root) level, or inside another container or forum.'); |
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289 } |
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290 |
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291 return array('#type' => 'select', '#title' => $title, '#default_value' => $parent, '#options' => $options, '#description' => $description, '#required' => TRUE); |
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292 } |