danielebarchiesi@2: <?php
danielebarchiesi@2: 
danielebarchiesi@2: /**
danielebarchiesi@2:  * @file
danielebarchiesi@2:  * Theme and preprocess functions for Flexslider Views
danielebarchiesi@2:  *
danielebarchiesi@2:  * @author Mathew Winstone (minorOffense) <mwinstone@coldfrontlabs.ca>
danielebarchiesi@2:  */
danielebarchiesi@2: 
danielebarchiesi@2: /**
danielebarchiesi@2:  * FlexSlider Views theme for the main wrapper element
danielebarchiesi@2:  *
danielebarchiesi@2:  * @ingroup themeable
danielebarchiesi@2:  */
danielebarchiesi@2: function _flexslider_views_slideshow_preprocess_flexslider_views_slideshow_main_frame(&$vars) {
danielebarchiesi@2:   // @todo see if we can get this to call theme('flexslider') instead.
danielebarchiesi@2: //  return 
danielebarchiesi@2:   // Load the settings, row information, view data and views slideshow ID into
danielebarchiesi@2:   // more conveniently named variables.
danielebarchiesi@2:   $settings = $vars['settings'];
danielebarchiesi@2:   $rows = $vars['rows'];
danielebarchiesi@2:   $view = $vars['view'];
danielebarchiesi@2:   $vss_id = $vars['vss_id'];
danielebarchiesi@2: 
danielebarchiesi@2:   // Load the option set data
danielebarchiesi@2:   $optionset = $settings['optionset'];
danielebarchiesi@2:   $settings = flexslider_optionset_load($settings['optionset']);
danielebarchiesi@2:   $settings = $settings->options;
danielebarchiesi@2: 
danielebarchiesi@2: 
danielebarchiesi@2:   // Cast the strings into int or bool as necessary
danielebarchiesi@2:   $new_settings = array();
danielebarchiesi@2:   foreach ($settings as $key => $value) {
danielebarchiesi@2:     if (is_string($value)) {
danielebarchiesi@2: 
danielebarchiesi@2:       $value = str_ireplace("\n", ' ', $value);
danielebarchiesi@2:       $value = trim($value);
danielebarchiesi@2: 
danielebarchiesi@2:       // Check for numbers and/or boolean values
danielebarchiesi@2:       if (is_numeric($value)) {
danielebarchiesi@2:         $value = (int)$value;
danielebarchiesi@2:       }
danielebarchiesi@2:       elseif (drupal_strtolower($value) == 'true') {
danielebarchiesi@2:         $value = TRUE;
danielebarchiesi@2:       }
danielebarchiesi@2:       elseif (drupal_strtolower($value) == 'false') {
danielebarchiesi@2:         $value = FALSE;
danielebarchiesi@2:       }
danielebarchiesi@2:     }
danielebarchiesi@2: 
danielebarchiesi@2:     $new_settings[$key] = $value;
danielebarchiesi@2:   }
danielebarchiesi@2: 
danielebarchiesi@2:   // Merge the existing settings with the generated ones
danielebarchiesi@2:   $settings = array_merge(
danielebarchiesi@2:     array(
danielebarchiesi@2:       'num_divs' => sizeof($rows),
danielebarchiesi@2:       'id_prefix' => '#flexslider_views_slideshow_main_',
danielebarchiesi@2:       //'div_prefix' => '#'
danielebarchiesi@2:       // @todo figure out what the div prefix is used for
danielebarchiesi@2:       'vss_id' => $vss_id,
danielebarchiesi@2:     ),
danielebarchiesi@2:     $new_settings
danielebarchiesi@2:   );
danielebarchiesi@2: 
danielebarchiesi@2:   // We need to go through the current js setting values to make sure the one we
danielebarchiesi@2:   // want to add is not already there. If it is already there then append -[num]
danielebarchiesi@2:   // to the id to make it unique.
danielebarchiesi@2:   $slideshow_count = 1;
danielebarchiesi@2:   $current_settings = drupal_add_js();
danielebarchiesi@2:   foreach ($current_settings['settings']['data'] AS $current_setting) {
danielebarchiesi@2:     if (isset($current_setting['flexslider_views_slideshow'])) {
danielebarchiesi@2:       $current_keys = array_keys($current_setting['flexslider_views_slideshow']);
danielebarchiesi@2:       if (stristr($current_keys[0], '#flexslider_views_slideshow_main_' . $vss_id)) {
danielebarchiesi@2:         $slideshow_count++;
danielebarchiesi@2:       }
danielebarchiesi@2:     }
danielebarchiesi@2:   }
danielebarchiesi@2: 
danielebarchiesi@2:   // Append the new unique IDs if required
danielebarchiesi@2:   if ($slideshow_count > 1) {
danielebarchiesi@2:     $vss_id .= '-' . $slideshow_count;
danielebarchiesi@2:     $settings['vss_id'] = $vss_id;
danielebarchiesi@2:   }
danielebarchiesi@2: 
danielebarchiesi@2:   // Load the FlexSlider library for use.
danielebarchiesi@2:   libraries_load('flexslider');
danielebarchiesi@2: 
danielebarchiesi@2:   // Create the settings container
danielebarchiesi@2:   // Due to a limitation inside of views_slideshow, the ID for the settings container
danielebarchiesi@2:   // must end with _main
danielebarchiesi@2:   //
danielebarchiesi@2:   // see lines 162 through 169 in views_slideshow.theme.inc
danielebarchiesi@2:   drupal_add_js(array('flexslider_views_slideshow' => array('#flexslider_views_slideshow_main_' . $vss_id => $settings)), 'setting');
danielebarchiesi@2: 
danielebarchiesi@2:   // Load the initilization javascript
danielebarchiesi@2:   drupal_add_js(drupal_get_path('module', 'flexslider_views_slideshow') . '/js/flexslider_views_slideshow.js');
danielebarchiesi@2: 
danielebarchiesi@2:   // Required container class for FlexSlider
danielebarchiesi@2:   $vars['classes_array'][] = 'slides';
danielebarchiesi@2: 
danielebarchiesi@2:   // Render the rows
danielebarchiesi@2:   $rendered_rows = '';
danielebarchiesi@2:   $slideshow_count = 0;
danielebarchiesi@2:   foreach ($rows as $count => $row) {
danielebarchiesi@2:     $items[] = $row;
danielebarchiesi@2:     // @todo see if we can group multiple items per slide
danielebarchiesi@2:     $rendered_rows .= theme('flexslider_views_slideshow_main_frame_row', array('vss_id' => $vss_id, 'items' => $items, 'count' => $count, 'view' => $view));
danielebarchiesi@2: 
danielebarchiesi@2:     // Clear the items array
danielebarchiesi@2:     $items = array();
danielebarchiesi@2:     // Count the number of slides created
danielebarchiesi@2:     $slideshow_count++;
danielebarchiesi@2:   }
danielebarchiesi@2: 
danielebarchiesi@2:   // Save the rendered rows
danielebarchiesi@2:   $vars['rendered_rows'] = $rendered_rows;
danielebarchiesi@2: }
danielebarchiesi@2: 
danielebarchiesi@2: /**
danielebarchiesi@2:  * FlexSlider Views Slideshow theme for the row element
danielebarchiesi@2:  *
danielebarchiesi@2:  * @ingroup themeable
danielebarchiesi@2:  */
danielebarchiesi@2: function _flexslider_views_slideshow_preprocess_flexslider_views_slideshow_main_frame_row(&$vars) {
danielebarchiesi@2:   $current = $vars['count'] + 1;
danielebarchiesi@2:   $vars['classes_array'][] = 'flexslider_views_slideshow_slide views-row-' . $current;
danielebarchiesi@2: 
danielebarchiesi@2:   // @todo figure out why this if statement is here
danielebarchiesi@2:   if ($vars['count']) {
danielebarchiesi@2:     $vars['classes_array'][] =  'views_slideshow_cycle_hidden';
danielebarchiesi@2:   }
danielebarchiesi@2:   // @todo add option to toggle views rows counters on/off
danielebarchiesi@2:   $vars['classes_array'][] = ($vars['count'] % 2) ? 'views-row-even' : 'views-row-odd';
danielebarchiesi@2: 
danielebarchiesi@2:   $vars['rendered_items'] = '';
danielebarchiesi@2:   foreach ($vars['items'] as $item_count => $item) {
danielebarchiesi@2:     $vars['rendered_items'] .= theme('flexslider_views_slideshow_main_frame_row_item', array('item' => $item, 'item_count' => $item_count, 'view' => $vars['view']));
danielebarchiesi@2:   }
danielebarchiesi@2: }
danielebarchiesi@2: 
danielebarchiesi@2: /**
danielebarchiesi@2:  * FlexSlider Views Slideshow theme for an item within a row
danielebarchiesi@2:  *
danielebarchiesi@2:  * @ingroup themeable
danielebarchiesi@2:  */
danielebarchiesi@2: function _flexslider_views_slideshow_preprocess_flexslider_views_slideshow_main_frame_row_item(&$vars) {
danielebarchiesi@2:   $vars['classes_array'][] = 'views-row views-row-' . $vars['item_count'];
danielebarchiesi@2:   if (!$vars['item_count']) {
danielebarchiesi@2:     $vars['classes_array'][] = 'views-row-first';
danielebarchiesi@2:   }
danielebarchiesi@2:   if ($vars['item_count'] % 2) {
danielebarchiesi@2:     $vars['classes_array'][] = 'views-row-even';
danielebarchiesi@2:   }
danielebarchiesi@2:   else {
danielebarchiesi@2:     $vars['classes_array'][] = 'views-row-odd';
danielebarchiesi@2:   }
danielebarchiesi@2: 
danielebarchiesi@2:   /**
danielebarchiesi@2:    * Support custom row classes.
danielebarchiesi@2:    */
danielebarchiesi@2:   if ($row_class = $vars['view']->style_plugin->get_row_class($vars['item_count'])) {
danielebarchiesi@2:     $vars['classes_array'][] = $row_class;
danielebarchiesi@2:   }
danielebarchiesi@2: }