124 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			124 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| 
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| /**
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|  * @file
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|  * Contains the RSS style plugin.
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|  */
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| 
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| /**
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|  * Default style plugin to render an RSS feed.
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|  *
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|  * @ingroup views_style_plugins
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|  */
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| class views_plugin_style_rss extends views_plugin_style {
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|   function attach_to($display_id, $path, $title) {
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|     $display = $this->view->display[$display_id]->handler;
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|     $url_options = array();
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|     $input = $this->view->get_exposed_input();
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|     if ($input) {
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|       $url_options['query'] = $input;
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|     }
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|     $url_options['absolute'] = TRUE;
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| 
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|     $url = url($this->view->get_url(NULL, $path), $url_options);
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|     if ($display->has_path()) {
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|       if (empty($this->preview)) {
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|         drupal_add_feed($url, $title);
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|       }
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|     }
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|     else {
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|       if (empty($this->view->feed_icon)) {
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|         $this->view->feed_icon = '';
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|       }
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| 
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|       $this->view->feed_icon .= theme('feed_icon', array('url' => $url, 'title' => $title));
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|       drupal_add_html_head_link(array(
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|         'rel' => 'alternate',
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|         'type' => 'application/rss+xml',
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|         'title' => $title,
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|         'href' => $url
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|       ));
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|     }
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|   }
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| 
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|   function option_definition() {
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|     $options = parent::option_definition();
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| 
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|     $options['description'] = array('default' => '', 'translatable' => TRUE);
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| 
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|     return $options;
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|   }
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| 
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|   function options_form(&$form, &$form_state) {
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|     parent::options_form($form, $form_state);
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| 
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|     $form['description'] = array(
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|       '#type' => 'textfield',
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|       '#title' => t('RSS description'),
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|       '#default_value' => $this->options['description'],
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|       '#description' => t('This will appear in the RSS feed itself.'),
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|       '#maxlength' => 1024,
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|     );
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|   }
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| 
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|   /**
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|    * Return an array of additional XHTML elements to add to the channel.
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|    *
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|    * @return
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|    *   An array that can be passed to format_xml_elements().
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|    */
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|   function get_channel_elements() {
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|     return array();
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|   }
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| 
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|   /**
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|    * Get RSS feed description.
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|    *
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|    * @return string
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|    *   The string containing the description with the tokens replaced.
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|    */
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|   function get_description() {
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|     $description = $this->options['description'];
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| 
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|     // Allow substitutions from the first row.
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|     $description = $this->tokenize_value($description, 0);
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| 
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|     return $description;
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|   }
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| 
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|   function render() {
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|     if (empty($this->row_plugin)) {
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|       vpr('views_plugin_style_default: Missing row plugin');
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|       return;
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|     }
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|     $rows = '';
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| 
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|     // This will be filled in by the row plugin and is used later on in the
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|     // theming output.
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|     $this->namespaces = array('xmlns:dc' => 'http://purl.org/dc/elements/1.1/');
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| 
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|     // Fetch any additional elements for the channel and merge in their
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|     // namespaces.
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|     $this->channel_elements = $this->get_channel_elements();
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|     foreach ($this->channel_elements as $element) {
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|       if (isset($element['namespace'])) {
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|         $this->namespaces = array_merge($this->namespaces, $element['namespace']);
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|       }
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|     }
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| 
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|     foreach ($this->view->result as $row_index => $row) {
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|       $this->view->row_index = $row_index;
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|       $rows .= $this->row_plugin->render($row);
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|     }
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| 
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|     $output = theme($this->theme_functions(),
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|       array(
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|         'view' => $this->view,
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|         'options' => $this->options,
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|         'rows' => $rows
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|       ));
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|     unset($this->view->row_index);
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|     return $output;
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|   }
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| }
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