Révision 5d12d676
Ajouté par Assos Assos il y a environ 6 ans
| drupal7/sites/all/modules/views/handlers/views_handler_relationship.inc | ||
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/** |
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* @file |
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* Views' relationship handlers.
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* Definition of views_handler_relationship.
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*/ |
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/** |
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*/ |
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/** |
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* Simple relationship handler that allows a new version of the primary table |
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* to be linked in. |
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* Relationship handler, allows a new version of the primary table to be linked. |
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* |
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* The base relationship handler can only handle a single join. Some relationships
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* are more complex and might require chains of joins; for those, you must
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* utilize a custom relationship handler.
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* The base relationship handler can only handle a single join. Some |
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* relationships are more complex and might require chains of joins; for those,
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* you must use a custom relationship handler.
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* |
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* Definition items: |
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* - base: The new base table this relationship will be adding. This does not |
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* @ingroup views_relationship_handlers |
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*/ |
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class views_handler_relationship extends views_handler {
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/** |
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* Init handler to let relationships live on tables other than |
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* the table they operate on. |
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* Let relationships live on tables other than the table they operate on. |
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*/ |
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function init(&$view, &$options) {
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public function init(&$view, &$options) {
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parent::init($view, $options); |
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if (isset($this->definition['relationship table'])) {
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$this->table = $this->definition['relationship table']; |
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} |
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if (isset($this->definition['relationship field'])) {
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// Set both real_field and field so custom handler |
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// can rely on the old field value.
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// Set both real_field and field so custom handler can rely on the old
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// field value. |
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$this->real_field = $this->field = $this->definition['relationship field']; |
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} |
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} |
| ... | ... | |
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/** |
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* Get this field's label. |
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*/ |
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function label() {
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public function label() {
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if (!isset($this->options['label'])) {
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return $this->ui_name(); |
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} |
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return $this->options['label']; |
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} |
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function option_definition() {
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/** |
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* {@inheritdoc}
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*/ |
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public function option_definition() {
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$options = parent::option_definition(); |
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// Relationships definitions should define a default label, but if they aren't get another default value. |
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// Relationships definitions should define a default label, but if they |
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// aren't get another default value. |
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if (!empty($this->definition['label'])) {
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$label = $this->definition['label']; |
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} |
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} |
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/** |
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* Default options form that provides the label widget that all fields |
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* should have. |
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* Provide the label widget that all fields should have. |
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*/ |
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function options_form(&$form, &$form_state) {
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public function options_form(&$form, &$form_state) {
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parent::options_form($form, $form_state); |
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$form['label'] = array( |
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'#type' => 'textfield', |
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/** |
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* Called to implement a relationship in a query. |
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*/ |
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function query() {
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public function query() {
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// Figure out what base table this relationship brings to the party. |
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$table_data = views_fetch_data($this->definition['base']); |
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$base_field = empty($this->definition['base field']) ? $table_data['table']['base']['field'] : $this->definition['base field']; |
| ... | ... | |
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} |
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if (!empty($def['join_handler']) && class_exists($def['join_handler'])) {
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$join = new $def['join_handler']; |
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$join = new $def['join_handler']();
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} |
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else {
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$join = new views_join(); |
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$join->construct(); |
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$join->adjusted = TRUE; |
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// use a short alias for this:
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// Use a short alias for this.
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$alias = $def['table'] . '_' . $this->table; |
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$this->alias = $this->query->add_relationship($alias, $join, $this->definition['base'], $this->relationship); |
| ... | ... | |
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/** |
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* You can't groupby a relationship. |
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*/ |
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function use_group_by() {
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public function use_group_by() {
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return FALSE; |
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} |
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} |
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/** |
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* @ingroup views_relationship_handlers |
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*/ |
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class views_handler_relationship_broken extends views_handler_relationship {
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function ui_name($short = FALSE) {
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/** |
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* {@inheritdoc}
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*/ |
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public function ui_name($short = FALSE) {
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return t('Broken/missing handler');
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} |
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function ensure_my_table() { /* No table to ensure! */ }
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function query() { /* No query to run */ }
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function options_form(&$form, &$form_state) {
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/** |
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* {@inheritdoc}
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*/ |
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public function ensure_my_table() {
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// No table to ensure! |
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} |
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/** |
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* {@inheritdoc}
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*/ |
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public function query() {
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// No query to run. |
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} |
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/** |
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* {@inheritdoc}
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*/ |
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public function options_form(&$form, &$form_state) {
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$form['markup'] = array( |
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'#markup' => '<div class="form-item description">' . t('The handler for this item is broken or missing and cannot be used. If a module provided the handler and was disabled, re-enabling the module may restore it. Otherwise, you should probably delete this item.') . '</div>',
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); |
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} |
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/** |
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* Determine if the handler is considered 'broken'
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* {@inheritdoc}
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*/ |
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function broken() { return TRUE; }
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public function broken() {
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return TRUE; |
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} |
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} |
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/** |
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