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- <?php
- /**
- * Views' relationship handlers.
- */
- class webform_handler_relationship_submission_data extends views_handler_relationship {
- /**
- * {@inheritdoc}
- */
- public function option_definition() {
- $options = parent::option_definition();
- $options['webform_nid'] = array('default' => NULL);
- $options['webform_cid'] = array('default' => NULL);
- $options['webform_form_key'] = array('default' => NULL);
- $options['webform_join_by'] = array('default' => 'nid_cid');
- return $options;
- }
- /**
- * {@inheritdoc}
- */
- public function options_form(&$form, &$form_state) {
- parent::options_form($form, $form_state);
- form_load_include($form_state, 'inc', 'webform', 'views/webform.views');
- $nid = (int) $this->options['webform_nid'];
- $cid = (int) $this->options['webform_cid'];
- // Helper function provides webform_nid and webform_cid options.
- _webform_views_options_form($form, $form_state, $nid, $cid);
- $form['webform_join_by'] = array(
- '#type' => 'select',
- '#title' => t('Relate using'),
- '#default_value' => $this->options['webform_join_by'],
- '#options' => array(
- 'nid_cid' => t('Node and Component ID'),
- 'cid' => t('Component ID'),
- 'form_key' => t('Component Form Key'),
- ),
- '#description' => t('Choose <em>Node and Component ID</em> when this view will display data from only this webform.</br>Choose <em>Component ID</em> when this view will display data from other webforms and where the Component ID is identical.</br>Choose <em>Component Form Key</em> when this view will display data from other webforms with varying Component IDs.'),
- );
- }
- /**
- * {@inheritdoc}
- */
- public function options_validate(&$form, &$form_state) {
- parent::options_validate($form, $form_state);
- _webform_views_options_validate($form, $form_state);
- }
- /**
- * {@inheritdoc}
- */
- public function options_submit(&$form, &$form_state) {
- parent::options_submit($form, $form_state);
- _webform_views_options_submit($form, $form_state);
- $options =& $form_state['values']['options'];
- $options['webform_form_key'] = $options['webform_join_by'] == 'form_key' && ($node = node_load($options['webform_nid']))
- ? $node->webform['components'][$options['webform_cid']]['form_key']
- : NULL;
- // Drop PHP reference.
- unset($options);
- }
- /**
- * Called to implement a relationship in a query.
- *
- * It respects the given component ids, provided via options form.
- */
- public function query() {
- // When defining extra clauses, the 'table' key can be used to specify the
- // alias of another table. If NULL is specified, then the field is not
- // qualified with a table. Therefore, do NOT specify "'table' => NULL".
- switch ($this->options['webform_join_by']) {
- case 'form_key':
- $form_key = $this->options['webform_form_key'];
- $join_type = $this->options['required'] ? 'INNER' : 'LEFT';
- $this->ensure_my_table();
- $join = new views_join();
- $join->construct(
- // The table to be joined.
- 'webform_component',
- // The left table (i.e. this table, webform_submission).
- $this->table,
- // The left field (i.e. the webform node id).
- 'nid',
- // The field (i.e. webform_components.nid).
- 'nid',
- // Extra array of additional conditions.
- array(
- array(
- // Extra join of form_key.
- 'field' => 'form_key',
- // ... = $form_key (operator '=' is default)
- 'value' => $form_key,
- ),
- ),
- // Join type is the same as this relationship's join type.
- $join_type);
- $alias = $this->query->add_relationship(
- // Requested alias for new reliationship.
- 'webform_component_' . $form_key,
- // Addition join to be added to this relatinship.
- $join,
- // Base table (i.e. drivingevals_submission)
- $this->table_alias,
- // Add the view to this relationship.
- $this->relationship);
- // The actual alias for this relationship's join is not known yet. Becasue
- // of name conflicts, it may have a number appended to the end. %alias is
- // substitued when the query is build with the actual alias name.
- $this->definition['extra'][] = "%alias.cid = {$alias}.cid";
- break;
- case 'nid_cid':
- $this->definition['extra'][] = array(
- 'field' => "nid",
- 'value' => $this->options['webform_nid'],
- );
- // FALL THROUGH.
- case 'cid':
- $this->definition['extra'][] = array(
- 'field' => "cid",
- 'value' => $this->options['webform_cid'],
- );
- break;
- }
- // The rest of building the join is performed by the parent.
- parent::query();
- }
- }
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