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<?php
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/**
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* @file
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* Definition of views_handler_area_view.
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*/
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/**
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* Views area handlers. Insert a view inside of an area.
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*
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* @ingroup views_area_handlers
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*/
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class views_handler_area_view extends views_handler_area {
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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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$options = parent::option_definition();
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$options['view_to_insert'] = array('default' => '');
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$options['inherit_arguments'] = array('default' => FALSE, 'bool' => TRUE);
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return $options;
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}
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/**
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* Default options form; provides the label widget all fields should have.
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*/
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public function options_form(&$form, &$form_state) {
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parent::options_form($form, $form_state);
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$view_display = $this->view->name . ':' . $this->view->current_display;
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$options = array('' => t('-Select-'));
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$options += views_get_views_as_options(FALSE, 'all', $view_display, FALSE, TRUE);
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$form['view_to_insert'] = array(
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'#type' => 'select',
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'#title' => t('View to insert'),
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'#default_value' => $this->options['view_to_insert'],
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'#description' => t('The view to insert into this area.'),
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'#options' => $options,
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);
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$form['inherit_arguments'] = array(
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'#type' => 'checkbox',
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'#title' => t('Inherit contextual filters'),
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'#default_value' => $this->options['inherit_arguments'],
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'#description' => t('If checked, this view will receive the same contextual filters as its parent.'),
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);
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}
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/**
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* Render the area.
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*/
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public function render($empty = FALSE) {
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if ($view = $this->loadView()) {
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if (!empty($this->options['inherit_arguments']) && !empty($this->view->args)) {
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return $view->preview(NULL, $this->view->args);
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}
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else {
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return $view->preview(NULL);
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}
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}
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return '';
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}
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/**
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* Loads the used view for rendering.
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*
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* @return \view|NULL
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* The loaded view or NULL, in case the view was not loadable / recursion
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* got detected / access got denied.
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*/
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protected function loadView() {
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if (empty($this->options['view_to_insert'])) {
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return NULL;
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}
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list($view_name, $display_id) = explode(':', $this->options['view_to_insert']);
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$view = views_get_view($view_name);
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if (empty($view) || !$view->access($display_id)) {
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return NULL;
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}
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$view->set_display($display_id);
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// Avoid recursion.
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$view->parent_views += $this->view->parent_views;
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$view->parent_views[] = "$view_name:$display_id";
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// Check if the view is part of the parent views of this view.
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$search = "$view_name:$display_id";
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if (in_array($search, $this->view->parent_views)) {
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drupal_set_message(t("Recursion detected in view @view display @display.", array('@view' => $view_name, '@display' => $display_id)), 'error');
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return NULL;
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}
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return $view;
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}
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}
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