/[drupal]/contributions/modules/nodereferrer/views/nodereferrer_view_handler_argument.inc
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revision 1.1, Thu Mar 5 03:51:08 2009 UTC revision 1.2, Tue Sep 22 11:35:59 2009 UTC
# Line 1  Line 1 
1  <?php  <?php
2    // $Id$
3    /**
4     * @file
5     * nodereferrer.module Views integration
6     */
7    
8  /**  /**
9   * We use this as a parent class for both the nodereferrer arguments. This handler   * We use this as a parent class for both the nodereferrer arguments. This handler
# Line 7  Line 12 
12  class nodereferrer_view_handler_argument extends views_handler_argument {  class nodereferrer_view_handler_argument extends views_handler_argument {
13    // Don't use the normal operator as this doesn't display nicely    // Don't use the normal operator as this doesn't display nicely
14    var $no_operator = TRUE;    var $no_operator = TRUE;
15    
16    /**    /**
17     * Form to get filter parameters     * Form to get filter parameters
18     */     */
19    function options_form(&$form, &$form_state) {    function options_form(&$form, &$form_state) {
20      parent::options_form($form, $form_state);      parent::options_form($form, $form_state);
21    
22      $form['operator'] = array(      $form['operator'] = array(
23        '#type' => 'select',        '#type' => 'select',
24        '#title' => t('Operator'),        '#title' => t('Operator'),
# Line 22  class nodereferrer_view_handler_argument Line 27  class nodereferrer_view_handler_argument
27          'in' => t('Return nodes that refer to given node id'),          'in' => t('Return nodes that refer to given node id'),
28          'not in' => t('Do not return nodes that do not refer to given node id'),          'not in' => t('Do not return nodes that do not refer to given node id'),
29        ),        ),
30        '#required' => true,        '#required' => TRUE,
31      );      );
32    
33      $form['fields'] = array(      $form['fields'] = array(
34        '#type' => 'checkboxes',        '#type' => 'checkboxes',
35        '#multiple' => TRUE,        '#multiple' => TRUE,
# Line 33  class nodereferrer_view_handler_argument Line 38  class nodereferrer_view_handler_argument
38        '#description' => t('This is optional ; if nothing is selected then all referrers will be returned'),        '#description' => t('This is optional ; if nothing is selected then all referrers will be returned'),
39        '#default_value' => empty($this->options['fields']) ? array() : $this->options['fields'],        '#default_value' => empty($this->options['fields']) ? array() : $this->options['fields'],
40      );      );
41    
42      if (module_exists('translation')) {      if (module_exists('translation')) {
43        $form['multilingual'] = array(        $form['multilingual'] = array(
44          '#type' => 'fieldset',          '#type' => 'fieldset',
# Line 52  class nodereferrer_view_handler_argument Line 57  class nodereferrer_view_handler_argument
57          '#description' => t('If this is checked, will also include nodes that refer to translations of the given node'),          '#description' => t('If this is checked, will also include nodes that refer to translations of the given node'),
58          '#default_value' => $default,          '#default_value' => $default,
59        );        );
60    
61        $default = 0;        $default = 0;
62        if (!empty($this->options['multilingual']['translations_of_referrers'])) {        if (!empty($this->options['multilingual']['translations_of_referrers'])) {
63          $default = $this->options['multilingual']['translations_of_referrers'];          $default = $this->options['multilingual']['translations_of_referrers'];
# Line 65  class nodereferrer_view_handler_argument Line 70  class nodereferrer_view_handler_argument
70        );        );
71      }      }
72    }    }
73    
74    /**    /**
75     * Admin summary     * Admin summary
76     */     */
77    function admin_summary() {    function admin_summary() {
78      return '';      return '';
79    }    }
80    
81    /**    /**
82     * Update the query     * Update the query
83     */     */
84    function query() {    function query() {
85      $this->ensure_my_table();      $this->ensure_my_table();
86    
87      $list = $this->get_node_list();      $list = $this->get_node_list();
88      if (empty($list)) {      if (empty($list)) {
89        if ($this->options['operator'] == 'in') {        if ($this->options['operator'] == 'in') {
90          $this->query->add_where($this->options['group'], 'FALSE');          $this->query->add_where($this->options['group'], 'FALSE');
91        }        }
92      } else {      }
93        $in = '('.implode(', ',$list).')';      else {
94          $in = '(' . implode(', ', $list) . ')';
95    
96        $this->query->add_where(        $this->query->add_where(
97          $this->options['group'],          $this->options['group'],
98          "$this->table_alias.$this->real_field " . $this->options['operator'].' '.$in          "$this->table_alias.$this->real_field " . $this->options['operator'] . ' ' . $in
99        );        );
100      }      }
101    }    }
102    
103    /**    /**
104     * Given a node id, field names and content names, returns the list of nodes     * Given a node id, field names and content names, returns the list of nodes
105     * that refer to the given node. This takes translation settings into account     * that refer to the given node. This takes translation settings into account
106     */     */
107    function referrers($nid, $fields, $types = null) {    function referrers($nid, $fields, $types = NULL) {
108      return array_keys(nodereferrer_referrers_with_translations(      return array_keys(nodereferrer_referrers_with_translations(
109        $nid, $fields, $types,        $nid, $fields, $types,
110        !empty($this->options['multilingual']['referrers_of_translations']),        !empty($this->options['multilingual']['referrers_of_translations']),
111        !empty($this->options['multilingual']['translations_of_referrers'])        !empty($this->options['multilingual']['translations_of_referrers'])
112      ));      ));
113    }    }
114    
115    /**    /**
116     * This should be overriden by descendant classes     * This should be overriden by descendant classes
117     */     */
118    function get_node_list() {    function get_node_list() {
119      return array();      return array();
120    }    }
121    
122    function get_options() {    function get_options() {
123      return array();      return array();
124    }    }
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