/[drupal]/contributions/modules/mediumvote/mediumvote.module
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revision 1.1, Thu Feb 16 22:03:53 2006 UTC revision 1.2, Sat Apr 15 18:10:21 2006 UTC
# Line 1  Line 1 
1  <?php  <?php
2    
3  /**  /**
4     * $Id$
5     *
6   * @file   * @file
7   * A medium-level demonstration of VotingAPI.   * A medium-level demonstration of VotingAPI.
8   * Original simplevote module with:   * Original simplevote module with:
9   *    1) AJAX handling (if javascript is not enabled, uses normal links)   *    1) AJAX handling (if javascript is not enabled, uses regular links)
10   *    2) Multi-criteria voting   *    2) Multi-criteria voting
11   *    3) Option to choose voting mode   *    3) Option to choose voting mode (either all modes, mode-specific)
12   *       settings->mediumvote->Voting Settings   *       settings->mediumvote
13     *    4) Node-specific voting options
14     *
15     * Development funded by addictedtotravel.com
16   */   */
17    
18    // ability to show voting on nodes & comments
19    define ('MEDIUMVOTE_DENY', 0);
20    define ('MEDIUMVOTE_ALLOW', 1);
21    define ('MEDIUMVOTE_NODE', 2);
22    
23  // ability to vote on nodes and comments  // ability to vote on nodes and comments
24  define ('VOTINGAPI_VALUE_NODE_CONTENT_TYPE', 'node');  define ('VOTINGAPI_VALUE_NODE_CONTENT_TYPE', 'node');
25  define ('VOTINGAPI_VALUE_COMMENT_CONTENT_TYPE', 'comment');  define ('VOTINGAPI_VALUE_COMMENT_CONTENT_TYPE', 'comment');
# Line 18  define ('VOTINGAPI_VALUE_COMMENT_CONTENT Line 28  define ('VOTINGAPI_VALUE_COMMENT_CONTENT
28  define ('VOTINGAPI_COMMENT_TAG_TAG1', '1');  define ('VOTINGAPI_COMMENT_TAG_TAG1', '1');
29  define ('VOTINGAPI_COMMENT_TAG_TAG2', '2');  define ('VOTINGAPI_COMMENT_TAG_TAG2', '2');
30    
31    // number of allowed voting criteria
32    define ('NUM_VOTING_CRITERIA', 5);
33    
34  function mediumvote_menu($may_cache) {  function mediumvote_menu($may_cache) {
35    drupal_set_html_head(theme('stylesheet_import', theme('mediumvote_css_path')));    drupal_set_html_head(theme('stylesheet_import', theme('mediumvote_css_path')));
36    
# Line 28  function mediumvote_menu($may_cache) { Line 41  function mediumvote_menu($may_cache) {
41        'path' => 'vote',        'path' => 'vote',
42        'title' => t('vote on content'),        'title' => t('vote on content'),
43        'callback' => 'mediumvote_vote',        'callback' => 'mediumvote_vote',
44        'access' => true,        'access' => TRUE,
45        'type' => MENU_CALLBACK        'type' => MENU_CALLBACK
46      );      );
47      $items[] = array(      $items[] = array(
48        'path' => 'ajax_mediumvote',        'path' => 'ajax_mediumvote',
49        'title' => t('vote on content (ajax)'),        'title' => t('vote on content (ajax)'),
50        'callback' => 'ajax_mediumvote_handler',        'callback' => 'ajax_mediumvote_handler',
51        'access' => true,        'access' => TRUE,
52        'type' => MENU_CALLBACK        'type' => MENU_CALLBACK
53       );       );
54        $items[] = array(
55          'path' => 'admin/settings/mediumvote',
56          'title' => t('mediumvote'),
57          'callback' => 'mediumvote_configure'
58        );
59    
60    }    }
61    
# Line 49  function mediumvote_help($section) { Line 67  function mediumvote_help($section) {
67      case 'admin/modules#description':      case 'admin/modules#description':
68        return t('Adds a vote widget to every node and comment.');        return t('Adds a vote widget to every node and comment.');
69        break;        break;
70        case 'admin/settings/mediumvote':
71          return t('<p>Configure mediumvote:</p>');
72          break;
73    }    }
74  }  }
75    
# Line 59  function mediumvote_help($section) { Line 80  function mediumvote_help($section) {
80   *   VOTINGAPI_VALUE_TYPE_TOKEN   -- 'Value' is a positive or negative int. The API will cache the sum of all votes.   *   VOTINGAPI_VALUE_TYPE_TOKEN   -- 'Value' is a positive or negative int. The API will cache the sum of all votes.
81   *   VOTINGAPI_VALUE_TYPE_KEY     -- 'Value' is a foreign key. The API will cache a vote-count for each discrete value.   *   VOTINGAPI_VALUE_TYPE_KEY     -- 'Value' is a foreign key. The API will cache a vote-count for each discrete value.
82   */   */
83  function _mediumvote_get_modes() {  function _mediumvote_get_modes_array() {
84    return array(    return array(
85      VOTINGAPI_VALUE_TYPE_PERCENT => t('Percentage (0-100)'),      VOTINGAPI_VALUE_TYPE_PERCENT => t('Percentage (0-100)'),
86      VOTINGAPI_VALUE_TYPE_TOKEN   => t('Score (positive or negative)')      VOTINGAPI_VALUE_TYPE_TOKEN   => t('Score (positive or negative)')
# Line 69  function _mediumvote_get_modes() { Line 90  function _mediumvote_get_modes() {
90    );    );
91  }  }
92    
93    /**
94     * Return voting mode for a node or comment
95     *
96     * @param $id
97     *   Element (node, comment) id.
98     * @param $type
99     *   node or comment
100     * @return
101     *   Voting mode for element
102     */
103    function _mediumvote_get_mode($id, $type) {
104      $allow_override = variable_get('allow_override_'.$type, FALSE);
105      if ($allow_override) {
106        if ($type == VOTINGAPI_VALUE_NODE_CONTENT_TYPE) {
107          $node = node_load(array('nid' => $id));
108          $mode = variable_get($type.'_mode_'.$node->type, VOTINGAPI_VALUE_TYPE_PERCENT);
109        }
110        elseif ($type == VOTINGAPI_VALUE_COMMENT_CONTENT_TYPE) {
111          $comment_result = _comment_load($id);
112          $comment_nid = $comment_result->nid;
113          $node = node_load(array('nid' => $comment_nid));
114          $mode = variable_get($type.'_mode_'.$node->type, VOTINGAPI_VALUE_TYPE_PERCENT);
115        }
116        else {
117          $mode = variable_get($type.'_mode_all', VOTINGAPI_VALUE_TYPE_PERCENT);
118        }
119      }
120      else {
121        $mode = variable_get($type.'_mode_all', VOTINGAPI_VALUE_TYPE_PERCENT);
122      }
123    
124      return $mode;
125    }
126    
127    /**
128     * Return voting tag for a node or comment
129     *
130     * @param $index
131     *   Tag number
132     * @param $id
133     *   Element (node, comment) id.
134     * @param $type
135     *   node or comment
136     * @param $node
137     *   Either node, or node comment belongs to
138     * @return
139     *   Voting tag for element at index
140     */
141    function _mediumvote_get_tag($index, $type, &$node) {
142      $allow_override = variable_get('allow_override_'.$type, FALSE);
143      if ($allow_override) {
144        if ($type == VOTINGAPI_VALUE_NODE_CONTENT_TYPE) {
145          $tag = variable_get($type.'_tag_'.$node->type.'_'.$index, '');
146        }
147        elseif ($type == VOTINGAPI_VALUE_COMMENT_CONTENT_TYPE) {
148          $tag = variable_get($type.'_tag_'.$node->type.'_'.$index, '');
149        }
150        else {
151          $tag = variable_get($type.'_tag_'.$index, '');
152        }
153      }
154      else {
155        $tag = variable_get($type.'_tag_'.$index, '');
156      }
157    
158      return $tag;
159    }
160    
161    /**
162     * Return an array of allow modes.
163     */
164    function _mediumvote_get_allow($type, $node_type) {
165      $allow = array(
166        MEDIUMVOTE_ALLOW => t('Allow').' '.($type?$type.' ':'').t('voting for'.' '.$node_type),
167        MEDIUMVOTE_DENY  => t('Deny').' '.($type?$type.' ':'').t('voting for'.' '.$node_type),
168      );
169    
170      return $allow;
171    }
172    
173    function mediumvote_configure_settings() {
174    }
175    
176    
177  /**  /**
178   * mediumvote settings page.   * mediumvote settings page.
179   */   */
180  function mediumvote_settings() {  function mediumvote_configure() {
181    
182    $form['vote_settings'] = array(    // default settings
183      $form['default_settings'] = array(
184      '#type' => 'fieldset',      '#type' => 'fieldset',
185      '#title' => t('Voting Settings'),      '#title' => t('Default settings'),
     '#collapsible' => TRUE,  
     '#collapsed' => TRUE,  
186    );    );
187    
188    $form['vote_settings']['mediumvote_default_mode'] = array(    // nodes defaults
189      $form['default_settings']['node'] = array(
190        '#type' => 'fieldset',
191        '#title' => t('Nodes'),
192      );
193    
194      $form['default_settings']['node']['allow_node_all'] = array(
195        '#type' => 'radios',
196        '#title' => t('Allow/Deny'),
197        '#default_value' => variable_get('allow_node_all', MEDIUMVOTE_ALLOW),
198        '#options' => _mediumvote_get_allow('', t('all nodes'))
199      );
200    
201      $form['default_settings']['node']['node_mode_all'] = array(
202        '#type' => 'radios',
203        '#title' => t('Default Voting Mode'),
204        '#default_value' => variable_get('node_mode_all', VOTINGAPI_VALUE_TYPE_PERCENT),
205        '#options' => _mediumvote_get_modes_array(),
206        '#description' => t('The default voting mode: Percentages or Raw Scores.'),
207      );
208    
209      $form['default_settings']['node']['criteria'] = array(
210        '#type' => 'fieldset',
211        '#title' => t('Voting Criteria'),
212      );
213    
214      for ($tag_count = 1; $tag_count <= NUM_VOTING_CRITERIA; $tag_count++) {
215        $form['default_settings']['node']['criteria']['node_tag_'.$tag_count] = array(
216          '#type' => 'textfield',
217          '#title' => t('Tag').' '.$tag_count,
218          '#default_value' => variable_get('node_tag_'.$tag_count, ''),
219          '#size' => 25,
220          '#maxlength' => 25
221        );
222      }
223    
224      $form['default_settings']['node']['allow_override_node'] = array(
225        '#type' => 'checkbox',
226        '#title' => t('Allow node-specific override'),
227        '#return_value' => 1,
228        '#default_value' => variable_get('allow_override_node', FALSE),
229        '#description' => t('If checked, node-specific settings below will override default values.')
230      );
231    
232      // comments defaults
233      $form['default_settings']['comment'] = array(
234        '#type' => 'fieldset',
235        '#title' => t('Comments'),
236      );
237    
238      $form['default_settings']['comment']['allow_comment_all'] = array(
239      '#type' => 'radios',      '#type' => 'radios',
240      '#title' => t('Default voting mode'),      '#title' => t('Allow/Deny'),
241      '#default_value' => variable_get('mediumvote_default_mode', VOTINGAPI_VALUE_TYPE_PERCENT),      '#default_value' => variable_get('allow_comment_all', MEDIUMVOTE_ALLOW),
242      '#options' => _mediumvote_get_modes(),      '#options' => _mediumvote_get_allow('', t('all comments'))
243      );
244    
245      $form['default_settings']['comment']['comment_mode_all'] = array(
246        '#type' => 'radios',
247        '#title' => t('Default Voting Mode'),
248        '#default_value' => variable_get('comment_mode_all', VOTINGAPI_VALUE_TYPE_PERCENT),
249        '#options' => _mediumvote_get_modes_array(),
250      '#description' => t('The default voting mode: Percentages or Raw Scores.'),      '#description' => t('The default voting mode: Percentages or Raw Scores.'),
251    );    );
252    
253    return $form;    for ($tag_count = 1; $tag_count <= NUM_VOTING_CRITERIA; $tag_count++) {
254        $form['default_settings']['comment']['criteria']['comment_tag_'.$tag_count] = array(
255          '#type' => 'textfield',
256          '#title' => t('Tag').' '.$tag_count,
257          '#default_value' => variable_get('comment_tag_'.$tag_count, ''),
258          '#size' => 25,
259          '#maxlength' => 25
260        );
261      }
262    
263      $form['default_settings']['comment']['allow_override_comment'] = array(
264        '#type' => 'checkbox',
265        '#title' => t('Allow node-specific override for comments'),
266        '#return_value' => 1,
267        '#default_value' => variable_get('allow_override_comment', FALSE),
268        '#description' => t('If checked, node-specific settings below will override default values.')
269      );
270    
271      // if override of node or comments is allowed
272      // show node-specific settings
273      if (variable_get('allow_override_node', FALSE) OR variable_get('allow_override_comment', FALSE)) {
274    
275        // node-specific settings
276        $form['allow_votes'] = array(
277          '#type' => 'fieldset',
278          '#title' => t('Node-specific settings'),
279        );
280    
281        foreach(node_get_types() as $type => $name) {
282    
283          $form['allow_votes'][$type] = array(
284            '#type' => 'fieldset',
285            '#title' => $name,
286            '#collapsible' => TRUE,
287            '#collapsed' => TRUE,
288          );
289    
290          if (variable_get('allow_override_node', FALSE)) {
291            // node
292            $form['allow_votes'][$type]['node'] = array(
293              '#type' => 'fieldset',
294              '#title' => t('Node'),
295            );
296    
297            $form['allow_votes'][$type]['node']['allow_node_'.$type] = array(
298              '#type' => 'radios',
299              '#title' => t('Allow/Deny'),
300              '#default_value' => variable_get('allow_node_'.$type, MEDIUMVOTE_ALLOW),
301              '#options' => _mediumvote_get_allow(t('node'), $name)
302            );
303    
304            $form['allow_votes'][$type]['node']['node_mode_'.$type] = array(
305              '#type' => 'radios',
306              '#title' => t('Voting Mode'),
307              '#default_value' => variable_get('node_mode_'.$type, VOTINGAPI_VALUE_TYPE_PERCENT),
308              '#options' => _mediumvote_get_modes_array(),
309              '#description' => t('The default voting mode: Percentages or Raw Scores.'),
310            );
311    
312            for ($tag_count = 1; $tag_count <= NUM_VOTING_CRITERIA; $tag_count++) {
313              $form['allow_votes'][$type]['node']['criteria']['node_tag_'.$type.'_'.$tag_count] = array(
314                '#type' => 'textfield',
315                '#title' => t('Tag').' '.$tag_count,
316                '#default_value' => variable_get('node_tag_'.$type.'_'.$tag_count, ''),
317                '#size' => 25,
318                '#maxlength' => 25
319              );
320            }
321          }
322          else {
323            // clear variables
324            variable_set('allow_node_'.$type, MEDIUMVOTE_DENY);
325            variable_set('node_mode_'.$type, VOTINGAPI_VALUE_TYPE_PERCENT);
326            for ($tag_count = 1; $tag_count <= NUM_VOTING_CRITERIA; $tag_count++) {
327              variable_set('node_tag_'.$type.'_'.$tag_count, '');
328            }
329    
330          } // end if node override
331    
332          if (variable_get('allow_override_comment', FALSE)) {
333            // comments
334            $form['allow_votes'][$type]['comment'] = array(
335              '#type' => 'fieldset',
336              '#title' => t('Comments'),
337            );
338    
339            $form['allow_votes'][$type]['comment']['allow_comment_'.$type] = array(
340              '#type' => 'radios',
341              '#title' => t('Allow/Deny'),
342              '#default_value' => variable_get('allow_comment_'.$type, MEDIUMVOTE_ALLOW),
343              '#options' => _mediumvote_get_allow(t('comment'), $name)
344            );
345    
346            $form['allow_votes'][$type]['comment']['comment_mode_'.$type] = array(
347              '#type' => 'radios',
348              '#title' => t('Voting Mode'),
349              '#default_value' => variable_get('comment_mode_'.$type, VOTINGAPI_VALUE_TYPE_PERCENT),
350              '#options' => _mediumvote_get_modes_array(),
351              '#description' => t('The default voting mode: Percentages or Raw Scores.'),
352            );
353    
354            for ($tag_count = 1; $tag_count <= NUM_VOTING_CRITERIA; $tag_count++) {
355              $form['allow_votes'][$type]['comment']['criteria']['comment_tag_'.$type.'_'.$tag_count] = array(
356                '#type' => 'textfield',
357                '#title' => t('Tag').' '.$tag_count,
358                '#default_value' => variable_get('comment_tag_'.$type.'_'.$tag_count, ''),
359                '#size' => 25,
360                '#maxlength' => 25
361              );
362            }
363          }
364          else {
365            // clear variables
366            variable_set('allow_comment_'.$type, MEDIUMVOTE_DENY);
367            variable_set('comment_mode_'.$type, VOTINGAPI_VALUE_TYPE_PERCENT);
368            for ($tag_count = 1; $tag_count <= NUM_VOTING_CRITERIA; $tag_count++) {
369              variable_set('comment_tag_'.$type.'_'.$tag_count, '');
370            }
371          } // end if comment override
372    
373        } // end foreach node type
374    
375      }
376      else {
377        // clear variables
378        foreach(node_get_types() as $type => $name) {
379          variable_set('allow_node_'.$type, MEDIUMVOTE_DENY);
380          variable_set('node_mode_'.$type, VOTINGAPI_VALUE_TYPE_PERCENT);
381          variable_set('allow_comment_'.$type, MEDIUMVOTE_DENY);
382          variable_set('comment_mode_'.$type, VOTINGAPI_VALUE_TYPE_PERCENT);
383          for ($tag_count = 1; $tag_count <= NUM_VOTING_CRITERIA; $tag_count++) {
384            variable_set('node_tag_'.$type.'_'.$tag_count, '');
385            variable_set('comment_tag_'.$type.'_'.$tag_count, '');
386          }
387        }
388      } // end if override
389    
390      return system_settings_form('mediumvote_configure_settings', $form);
391    
392  }  }
393    
394  function mediumvote_vote($type, $tag = VOTINGAPI_VALUE_DEFAULT_TAG, $cid, $value) {  function mediumvote_vote($type, $tag = VOTINGAPI_VALUE_DEFAULT_TAG, $cid, $value) {
395    
396    $mode = variable_get('mediumvote_default_mode', VOTINGAPI_VALUE_TYPE_PERCENT);    $mode = _mediumvote_get_mode($cid, $type);
397    
398    if ($mode == VOTINGAPI_VALUE_TYPE_PERCENT) {    if ($mode == VOTINGAPI_VALUE_TYPE_PERCENT) {
399      // sanity-check the incoming values.      // sanity-check the incoming values.
# Line 138  function ajax_mediumvote_handler() { Line 436  function ajax_mediumvote_handler() {
436    $id           = arg(3);    $id           = arg(3);
437    $score        = arg(4);    $score        = arg(4);
438    
439    $mode = variable_get('mediumvote_default_mode', VOTINGAPI_VALUE_TYPE_PERCENT);    $mode = _mediumvote_get_mode($id, $content_type);
440    
   $print_extra = '';  
441    if ($mode == VOTINGAPI_VALUE_TYPE_PERCENT) {    if ($mode == VOTINGAPI_VALUE_TYPE_PERCENT) {
442      $function = 'average';      $function = 'average';
     if ($tag == VOTINGAPI_VALUE_DEFAULT_TAG) {  
       $print_extra = t('Rating') . ' ';  
     }  
443    }    }
444    else {    else {
445      $function = 'sum';      $function = 'sum';
     if ($tag == VOTINGAPI_VALUE_DEFAULT_TAG) {  
       $print_extra = t('Score') . ' ';  
     }  
446    }    }
447    
448    // add the vote    // add the vote
# Line 165  function ajax_mediumvote_handler() { Line 456  function ajax_mediumvote_handler() {
456    $vote = votingapi_get_voting_result($content_type, $id, $mode, $tag, $function);    $vote = votingapi_get_voting_result($content_type, $id, $mode, $tag, $function);
457    
458    // send the results back    // send the results back
459    print $print_extra.'(' . $vote->value . ')';    print $tag.' (' . $vote->value . ')';
460    
461    exit();    exit();
462  }  }
# Line 175  function theme_mediumvote_widget($cid, $ Line 466  function theme_mediumvote_widget($cid, $
466    
467    global $user;    global $user;
468    
469    $mode = variable_get('mediumvote_default_mode', VOTINGAPI_VALUE_TYPE_PERCENT);    $mode = _mediumvote_get_mode($cid, $type);
470    
471    // if user is logged in, get votes already cast    // if user is logged in, get votes already cast
472    $user_vote = '';    $user_vote = '';
# Line 198  function theme_mediumvote_widget($cid, $ Line 489  function theme_mediumvote_widget($cid, $
489      switch ($type)      switch ($type)
490      {      {
491        case VOTINGAPI_VALUE_NODE_CONTENT_TYPE:        case VOTINGAPI_VALUE_NODE_CONTENT_TYPE:
492          $output .= '<span class="score" id="score_' . $tag . '_' . $cid .'">' . t("Rating") . ' (' . $stars . ')';          $output .= '<span class="score" id="score_' . $tag . '_' . $cid .'">' . $tag . ' (' . $stars . ')';
493          break;          break;
494        case VOTINGAPI_VALUE_COMMENT_CONTENT_TYPE:        case VOTINGAPI_VALUE_COMMENT_CONTENT_TYPE:
495        default:        default:
496          $output .= '<span class="score" id="score_' . $tag . '_' . $cid .'">(' . $stars . ')';          $output .= '<span class="score" id="score_' . $tag . '_' . $cid .'">' . $tag . ' (' . $stars . ')';
497          break;          break;
498      }      }
499    
# Line 229  function theme_mediumvote_widget($cid, $ Line 520  function theme_mediumvote_widget($cid, $
520      switch ($type)      switch ($type)
521      {      {
522        case VOTINGAPI_VALUE_NODE_CONTENT_TYPE:        case VOTINGAPI_VALUE_NODE_CONTENT_TYPE:
523          $output .= '<span class="score" id="score_' . $tag . '_' . $cid .'">' . t("Score") . ' (' . $score . ')';          $output .= '<span class="score" id="score_' . $tag . '_' . $cid .'">' . $tag . ' (' . $score . ')';
524          break;          break;
525        case VOTINGAPI_VALUE_COMMENT_CONTENT_TYPE:        case VOTINGAPI_VALUE_COMMENT_CONTENT_TYPE:
526        default:        default:
527          $output .= '<span class="score" id="score_' . $tag . '_' . $cid .'">(' . $score . ')';          $output .= '<span class="score" id="score_' . $tag . '_' . $cid .'">' . $tag . ' (' . $score . ')';
528          break;          break;
529      }      }
530    
531      // add positive vote      // add positive vote
532      $output .= theme('mediumvote_icon', $type, $cid, 1, false, $tag, $mode, $user_vote);      $output .= theme('mediumvote_icon', $type, $cid, 1, FALSE, $tag, $mode, $user_vote);
533      // add negative vote      // add negative vote
534      $output .= theme('mediumvote_icon', $type, $cid, -1, false, $tag, $mode, $user_vote);      $output .= theme('mediumvote_icon', $type, $cid, -1, FALSE, $tag, $mode, $user_vote);
535    
536      $output .= '</span>';      $output .= '</span>';
537    
# Line 315  function theme_mediumvote_icon($type, $c Line 606  function theme_mediumvote_icon($type, $c
606  }  }
607    
608  function theme_mediumvote_css_path() {  function theme_mediumvote_css_path() {
609      // depending on installation this path may require a preceding /
610      // return '/' . drupal_get_path('module', 'mediumvote') . '/theme/mediumvote.css';
611    
612    return drupal_get_path('module', 'mediumvote') . '/theme/mediumvote.css';    return drupal_get_path('module', 'mediumvote') . '/theme/mediumvote.css';
613  }  }
614    
615  function mediumvote_nodeapi(&$node, $op, $teaser, $page) {  function mediumvote_nodeapi(&$node, $op, $teaser, $page) {
616    switch ($op) {  
617      case 'view':    $path = drupal_get_path('module', 'mediumvote');
618        if ($teaser == false) {    drupal_add_js($path . '/theme/ajax_mediumvote.js');
619          $node->body = theme('mediumvote_widget', $node->nid, VOTINGAPI_VALUE_NODE_CONTENT_TYPE) . $node->body;  
620        }    $allow_all = variable_get('allow_node_all', FALSE);
621        break;    $allow_override = variable_get('allow_override_node', FALSE);
622      $allow_node_type = variable_get('allow_node_'.$node->type, FALSE);
623    
624      if ($allow_all OR ($allow_override AND $allow_node_type)) {
625        switch ($op) {
626          case 'view':
627            if ($teaser == FALSE) {
628              for ($tag_count = 1; $tag_count <= NUM_VOTING_CRITERIA; $tag_count++) {
629                $tag = _mediumvote_get_tag($tag_count, VOTINGAPI_VALUE_NODE_CONTENT_TYPE, $node);
630                if ($tag) {
631                  $node->body = theme('mediumvote_widget', $node->nid, VOTINGAPI_VALUE_NODE_CONTENT_TYPE, $tag) . $node->body;
632                }
633              }
634            }
635            break;
636        }
637    }    }
638  }  }
639    
640  function mediumvote_comment(&$comment, $op) {  function mediumvote_comment(&$comment, $op) {
   switch ($op) {  
     case 'view':  
641    
642        $path = drupal_get_path('module', 'mediumvote');    $path = drupal_get_path('module', 'mediumvote');
643        drupal_add_js($path . '/theme/ajax_mediumvote.js');    drupal_add_js($path . '/theme/ajax_mediumvote.js');
644    
645        // add 2 criteria on comments    // get comment's node to see if comment voting
646        $comment->comment = theme('mediumvote_widget', $comment->cid, VOTINGAPI_VALUE_COMMENT_CONTENT_TYPE, VOTINGAPI_COMMENT_TAG_TAG1) .    // is allowed for node type
647                            theme('mediumvote_widget', $comment->cid, VOTINGAPI_VALUE_COMMENT_CONTENT_TYPE, VOTINGAPI_COMMENT_TAG_TAG2) .    $node = node_load(array('nid' => $comment->nid));
648                            $comment->comment;  
649      $allow_all = variable_get('allow_comment_all', FALSE);
650      $allow_override = variable_get('allow_override_comment', FALSE);
651      $allow_node_type = variable_get('allow_comment_'.$node->type, FALSE);
652    
653      if ($allow_all OR ($allow_override AND $allow_node_type)) {
654        switch ($op) {
655          case 'view':
656    
657            for ($tag_count = 1; $tag_count <= NUM_VOTING_CRITERIA; $tag_count++) {
658              $tag = _mediumvote_get_tag($tag_count, VOTINGAPI_VALUE_COMMENT_CONTENT_TYPE, $node);
659              if ($tag) {
660                $comment->comment = theme('mediumvote_widget', $node->nid, VOTINGAPI_VALUE_COMMENT_CONTENT_TYPE, $tag) . $comment->comment;
661              }
662            }
663    
664        break;          break;
665    }      }
666      } // end if voting allowed
667  }  }
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