Got rid of all the pointless whitespace.

I used to like keeping whitespace on blank lines that lined up with the
indentiation level of the code. I don't like doing that any more, so out it goes.

README.txt

@@ -67,7 +67,7 @@ HOW TO EXPORT AN ICAL FEED USING THE iCal Entities PLUGIN
     as the event date for the iCal feed. Make sure that you choose a field that
     is a part of every entity that your View displays. Otherwise, the entities
     which don't have that field will be left out of the iCal feed.
-9.  You may optionally choose a field that will be used to populate the 
+9.  You may optionally choose a field that will be used to populate the
     Location property of events in your iCal feed. This field can be a text
     field, a Node Reference field, an Addressfield, or a Location field.
 10. Give the Feed a path like 'calendar/%/export.ics', including a '/%/' for

date_ical.api.php

@@ -80,7 +80,7 @@ function hook_date_ical_export_raw_event_alter(&$event, $view, $context) {
       $event['comment'] = check_plain($comment['value']);
     }
   }
-  
+
   // Example: Retrieving information from additional fields in the View (using
   // the Fields plugin).
   $event['comment'] = $view->style_plugin->get_field($context['row_index'], 'field_comment');

date_ical.install

@@ -9,10 +9,10 @@
  */
 function date_ical_requirements($phase) {
   $requirements = array();
-  
+
   // Ensure translations don't break at install time.
   $t = get_t();
-  
+
   if ($phase == 'runtime') {
     if (!function_exists('libraries_detect')) {
       $requirements['date_ical'] = array(
@@ -26,7 +26,7 @@ function date_ical_requirements($phase) {
       // Return immediately, since we can't even attempt to determine if iCalcreator is installed.
       return $requirements;
     }
-    
+
     $library = libraries_detect('iCalcreator');
     if ($library && !empty($library['installed'])) {
       $requirements['date_ical'] = array(
@@ -46,7 +46,7 @@ function date_ical_requirements($phase) {
       );
     }
   }
-  
+
   return $requirements;
 }
 
@@ -73,7 +73,7 @@ function date_ical_update_7300() {
   // Drupal attempts to instantiate the old feeds plugin classes.
   registry_rebuild();
   cache_clear_all('plugins:feeds:plugins', 'cache');
-  
+
   // Update all the importers which used DateIcalIcalcreatorParser to use
   // DateiCalFeedsParser instead.
   $importer_data = ctools_export_load_object('feeds_importer', 'all');
@@ -81,7 +81,7 @@ function date_ical_update_7300() {
     $importer = feeds_importer($key);
     $importer_config = $importer->getConfig();
     $needs_update = ($importer_config['parser']['plugin_key'] == 'DateIcalIcalcreatorParser');
-    
+
     $processor = $importer->processor;
     $processor_config = $processor->getconfig();
     // Also update importers which use the new parser, but have un-capitalized
@@ -91,18 +91,18 @@ function date_ical_update_7300() {
         && !empty($processor_config['mappings'][0]['source'])) {
       $needs_update = (strtoupper($processor_config['mappings'][0]['source']) != $processor_config['mappings'][0]['source']);
     }
-    
+
     if ($needs_update) {
       $importer->setPlugin('DateiCalFeedsParser');
-      
+
       // Source keys are now capitalized, so we need to update the mappings.
       foreach ($processor_config['mappings'] as &$mapping) {
         $mapping['source'] = strtoupper($mapping['source']);
       }
       $processor->setConfig($processor_config);
-      
+
       $importer->save();
-      
+
       // When this importer object got created, a warning was issued about its
       // parser plugin being missing. We corrected that warning above, so we
       // should clear it out to avoid potential confusion.

date_ical.module

@@ -121,10 +121,10 @@ function date_ical_preprocess_node(&$variables) {
     $variables['page'] = TRUE;
     $variables['title_prefix'] = '';
     $variables['title_suffix'] = '';
-    
+
     // We don't want to see the author information in our feed.
     $variables['display_submitted'] = FALSE;
-    
+
     // Comments and links don't belong in an iCal feed.
     if (isset($variables['content']['comments'])) {
       unset($variables['content']['comments']);
@@ -174,7 +174,7 @@ function date_ical_libraries_info() {
       'php' => array('iCalcreator.class.php'),
     ),
   );
-  
+
   return $libraries;
 }
 
@@ -231,14 +231,14 @@ function date_ical_sanitize_text($text = '') {
   // HTML tags may get converted to < and such by the View code, so we need
   // to convert them back to HTML so we can remove them with strip_tags().
   $text = decode_entities($text);
-  
+
   // Convert <p> tags to double newlines.
   $text = trim(preg_replace("/<p.*?>/i", "\n\n", $text));
   // Separate heading tags from the text around them in both directions.
   $text = trim(preg_replace("/<\\?h\d.*?>/i", "\n\n", $text));
   // Add a newline for each <div>.
   $text = trim(preg_replace("/<div.*?>/i", "\n", $text));
-  
+
   // Strip the remaining HTML.
   $text = strip_tags($text);
   // Remove newlines added at the beginning.
@@ -278,7 +278,7 @@ function date_ical_feeds_set_rrule($source, $entity, $target, $repeat_rule) {
     array('RRULE', 'RDATE', 'EXRULE', 'EXDATE'),
     explode('|', $repeat_rule)
   );
-  
+
   module_load_include('inc', 'date_ical', 'date_ical.utils');
   // This "loop" is really just to make sure we get the right array keys. It
   // souldn't ever execute more than once.
@@ -296,7 +296,7 @@ function date_ical_feeds_set_rrule($source, $entity, $target, $repeat_rule) {
 function date_ical_get_location_fields($base = 'node', $reset = FALSE) {
   static $fields = array();
   $empty = array('name' => array(), 'alias' => array());
-  
+
   if (empty($fields[$base]) || $reset) {
     $cid = 'date_ical_location_fields_' . $base;
     if (!$reset && $cached = cache_get($cid, 'cache_views')) {
@@ -326,10 +326,10 @@ function _date_ical_get_location_fields($base = 'node') {
   if (empty($base)) {
     $base = 'node';
   }
-  
+
   $cid = 'date_ical_location_fields_' . $base;
   cache_clear_all($cid, 'cache_views');
-  
+
   // Iterate over all the fields that Views knows about.
   $all_fields = date_views_views_fetch_fields($base, 'field');
   $fields = array();
@@ -338,7 +338,7 @@ function _date_ical_get_location_fields($base = 'node') {
     $tmp = explode('.', $name);
     $field_name = $tmp[1];
     $table_name = $tmp[0];
-    
+
     // Skip unsupported field types and fields that weren't defined through
     // the Field module.
     $info = field_info_field($field_name);
@@ -353,7 +353,7 @@ function _date_ical_get_location_fields($base = 'node') {
     if (!$info || !in_array($info['type'], $supported_location_fields)) {
       continue;
     }
-    
+
     // Build an array of the field info that we'll need.
     $alias = str_replace('.', '_', $alias);
     $fields['name'][$name] = array(
@@ -362,14 +362,14 @@ function _date_ical_get_location_fields($base = 'node') {
       'field_name' => $field_name,
       'type' => $info['type'],
     );
-    
+
     // These are here only to make this $field array conform to the same format
     // as the one returned by _date_views_fields(). They're probably not needed,
     // but I thought that consistency would be a good idea.
     $fields['name'][$name]['real_field_name'] = $field_name;
     $fields['alias'][$alias] = $fields['name'][$name];
   }
-  
+
   cache_set($cid, $fields, 'cache_views');
   return $fields;
 }

date_ical.utils.inc

@@ -14,12 +14,12 @@
 function _date_ical_get_repeat_dates($field_name, $repeat_data, $item, $source) {
   module_load_include('inc', 'date_api', 'date_api_ical');
   $field_info = field_info_field($field_name);
-  
+
   $rrule_values = _date_ical_parse_repeat_rule($repeat_data['RRULE']);
   //$exrule_values = _date_ical_parse_repeat_rule($repeat_data['EXRULE']);
   $rdates = _date_ical_parse_repeat_dates($repeat_data['RDATE']);
   $exdates = _date_ical_parse_repeat_dates($repeat_data['EXDATE']);
-  
+
   // By the time we get here, the start and end dates have been
   // adjusted back to UTC, but we want localtime dates to do
   // things like '+1 Tuesday', so adjust back to localtime.
@@ -40,7 +40,7 @@ function _date_ical_get_repeat_dates($field_name, $repeat_data, $item, $source)
   }
   $duration = $start->difference($end);
   $start_datetime = date_format($start, DATE_FORMAT_DATETIME);
-  
+
   if (!empty($rrule_values['UNTIL']['datetime'])) {
     // The spec says that UNTIL must be in UTC, but not all feed creators
     // follow that rule. If the user specified that he wanted to overcome this
@@ -50,7 +50,7 @@ function _date_ical_get_repeat_dates($field_name, $repeat_data, $item, $source)
       // Change the parsed UNTIL from UTC to $timezone, so that the
       // date_ical_date() won't convert it.
       $rrule_values['UNTIL']['tz'] = $timezone;
-      
+
       // Convert the unparsed UNTIL to UTC, since the Date code will use it.
       // It may currently have a Z on it, but only because iCalcreator blindly
       // adds one to DATETIME-type UNTILs if it's not there.
@@ -81,7 +81,7 @@ function _date_ical_get_repeat_dates($field_name, $repeat_data, $item, $source)
     // No UNTIL and no COUNT? This is an illegal RRULE.
     return array();
   }
-  
+
   // Convert the EXDATE and RDATE values to datetime strings.
   // Even though exdates and rdates can be specified to the second, Date
   // Repeat's code checks them by comparing them to the date value only.
@@ -95,9 +95,9 @@ function _date_ical_get_repeat_dates($field_name, $repeat_data, $item, $source)
     $date = date_ical_date($rdate, $timezone);
     $additions[] = date_format($date, 'Y-m-d');
   }
-  
+
   // TODO: EXRULEs.
-  
+
   $date_repeat_compatible_rrule = "{$repeat_data['RRULE']}\n{$repeat_data['RDATE']}\n{$repeat_data['EXDATE']}";
   $calculated_dates = date_repeat_calc($date_repeat_compatible_rrule, $start_datetime, $final_repeat_datetime, $exceptions, $timezone, $additions);
   $repeat_dates = array();
@@ -131,7 +131,7 @@ function _date_ical_get_repeat_dates($field_name, $repeat_data, $item, $source)
  */
 function _date_ical_parse_repeat_rule($repeat_rule_string) {
   module_load_include('inc', 'date_api', 'date_api_ical');
-  
+
   $repeat_rule_string = preg_replace('/(R|EX)RULE.*:/', '', $repeat_rule_string);
   $items = array('DATA' => $repeat_rule_string);
   foreach (explode(';', $repeat_rule_string) as $recur_val) {
@@ -140,7 +140,7 @@ function _date_ical_parse_repeat_rule($repeat_rule_string) {
     if (empty($key) || empty($value)) {
       continue;
     }
-    
+
     // The following keys never have multiple values.
     if (in_array($key, array('UNTIL', 'FREQ', 'INTERVAL', 'COUNT', 'WKST'))) {
       if ($key == 'UNTIL') {
@@ -152,7 +152,7 @@ function _date_ical_parse_repeat_rule($repeat_rule_string) {
       // The rest can be multi-value csv strings.
       $value = explode(',', $value);
     }
-    
+
     $items[$key] = $value;
   }
   return $items;
@@ -171,10 +171,10 @@ function _date_ical_parse_repeat_rule($repeat_rule_string) {
  */
 function _date_ical_parse_repeat_dates($repeat_date_string) {
   module_load_include('inc', 'date_api', 'date_api_ical');
-  
+
   $properties = explode("\n", str_replace("\r\n", "\n", $repeat_date_string));
   $parsed_dates = array();
-  
+
   foreach ($properties as $property) {
     $matches = array();
     if (preg_match('/(R|EX)DATE([^:]*):(.*)/', $property, $matches)) {

includes/DateiCalFeedsParser.inc

@@ -5,14 +5,14 @@
  */
 
 class DateiCalFeedsParser extends FeedsParser {
-  
+
   /**
    * Implements FeedsParser::getMappingSources().
    */
   public function getMappingSources() {
     return parent::getMappingSources() + self::getiCalMappingSources();
   }
-  
+
   /**
    * Implements FeedsParser::parse().
    */
@@ -22,10 +22,10 @@ class DateiCalFeedsParser extends FeedsParser {
       throw new DateIcalException(t('Unable to load the iCalcreator library. Please ensure that it is properly installed.'));
     }
     $state = $source->state(FEEDS_PARSE);
-    
+
     // Read the iCal feed into memory.
     $ical_feed_contents = $fetcher_result->getRaw();
-    
+
     // Parse the feed into an iCalcreator vcalendar object.
     $calendar = new vcalendar();
     if ($calendar->parse($ical_feed_contents) === FALSE) {
@@ -33,41 +33,41 @@ class DateiCalFeedsParser extends FeedsParser {
       $url = $source->config[$plugin]['source'];
       throw new DateIcalException(t('Parsing the data from %url failed. Please ensure that this URL leads to a valid iCal feed.', array('%url' => $url)));
     }
-    
+
     // Total hack to get around iCalcreator's mistreatment of UID "0".
     if (empty($calendar->components[0]->uid) || empty($calendar->components[0]->uid['value'])) {
       $calendar->components[0]->uid = array('value' => 'zero', 'params' => NULL);
     }
-    
+
     // Allow modules to alter the vcalendar object before we interpret it.
     $context = array(
       'source' => $source,
       'fetcher_result' => $fetcher_result,
     );
     drupal_alter('date_ical_import_vcalendar', $calendar, $context);
-    
+
     // We've got a vcalendar object created from the feed data. Now we need to
     // convert that vcalendar into an array of Feeds-compatible data arrays.
     // ParserVcalendar->parse() does that.
     require_once DRUPAL_ROOT . '/' . drupal_get_path('module', 'date_ical') . '/libraries/ParserVcalendar.inc';
     $parser = new ParserVcalendar($calendar, $source, $fetcher_result, $source->getConfigFor($this));
-    
+
     // Using the stored progress pointer (or 0 if it's not set),
     // determine which section of the feed to parse, then parse it.
     $offset = isset($state->pointer) ? $state->pointer : 0;
     $limit = $source->importer->getLimit();
     $rows = $parser->parse($offset, $limit);
-    
+
     // Report progress.
     $state->total = $parser->getTotalComponents();
     // We need to add 1 to the index of the last parsed componenent so that
     // the subsequent batch starts on the first unparsed component.
     $state->pointer = $parser->getLastComponentParsed() + 1;
     $state->progress($state->total, $state->pointer);
-    
+
     return new FeedsParserResult($rows);
   }
-  
+
   /**
    * Defines the default configuration settings for an actual import.
    */
@@ -78,7 +78,7 @@ class DateiCalFeedsParser extends FeedsParser {
       'skip_days' => $this->config['skip_days'],
     );
   }
-  
+
   /**
    * Defines the default settings shown on the configuration form.
    */
@@ -90,7 +90,7 @@ class DateiCalFeedsParser extends FeedsParser {
       'skip_days' => NULL,
     );
   }
-  
+
   /**
    * Builds the configuration form.
    */
@@ -133,7 +133,7 @@ class DateiCalFeedsParser extends FeedsParser {
     );
     return $form;
   }
-  
+
   /**
    * Validation handler for configForm.
    */
@@ -145,7 +145,7 @@ class DateiCalFeedsParser extends FeedsParser {
       $source_config['skip_days'] = NULL;
     }
   }
-  
+
   /**
    * Creates the list of mapping sources offered by DateiCalFeedsParser.
    */
@@ -210,10 +210,10 @@ class DateiCalFeedsParser extends FeedsParser {
       'description' => t('The CATEGORIES property. Catagories that describe the event, which can be imported into taxonomy terms.'),
       'date_ical_parse_handler' => 'parseMultivalueProperty',
     );
-    
+
     // Allow other modules to add custom source fields.
     drupal_alter('date_ical_mapping_sources', $sources);
-    
+
     return $sources;
   }
 }

includes/date_ical.views.inc

@@ -10,7 +10,7 @@
  */
 function date_ical_views_plugins() {
   $includes_path = drupal_get_path('module', 'date_ical') . '/includes';
-  
+
   $data = array(
     'module' => 'date_ical',
     'style' => array(
@@ -48,6 +48,6 @@ function date_ical_views_plugins() {
       ),
     ),
   );
-  
+
   return $data;
 }

includes/date_ical_plugin_row_ical_fields.inc

@@ -9,7 +9,7 @@
  * A Views plugin which builds an iCal VEVENT from a views row with Fields.
  */
 class date_ical_plugin_row_ical_fields extends views_plugin_row {
-  
+
   /**
    * Set up the options for the row plugin.
    */
@@ -22,7 +22,7 @@ class date_ical_plugin_row_ical_fields extends views_plugin_row {
     $options['additional_settings']['skip_blank_dates'] = array('default' => FALSE);
     return $options;
   }
-  
+
   /**
    * Build the form for setting the row plugin's options.
    */
@@ -32,7 +32,7 @@ class date_ical_plugin_row_ical_fields extends views_plugin_row {
     $date_field_labels = $this->get_date_field_candidates($all_field_labels);
     $date_field_label_options = array_merge(array('first_available' => t('First populated Date field')), $date_field_labels);
     $text_field_label_options = array_merge(array('' => t('- None -')), $all_field_labels);
-    
+
     $form['instructions'] = array(
       // The surrounding <div> ensures that the settings dialog expands.
       '#prefix' => '<div style="font-size: 90%">',
@@ -88,7 +88,7 @@ class date_ical_plugin_row_ical_fields extends views_plugin_row {
       '#default_value' => $this->options['additional_settings']['skip_blank_dates'],
     );
   }
-  
+
   /**
    * Set up the environment for the render() function.
    */
@@ -101,13 +101,13 @@ class date_ical_plugin_row_ical_fields extends views_plugin_row {
     }
     $this->repeated_dates = array();
   }
-  
+
   /**
    * Returns an Event array row in the query with index: $row->index.
    */
   public function render($row) {
     $date_field_name = $this->options['date_field'];
-    
+
     // If this view is set to use the first populated date field, check each
     // field in the row to find the first non-NULL Date field.
     if ($date_field_name == 'first_available') {
@@ -123,7 +123,7 @@ class date_ical_plugin_row_ical_fields extends views_plugin_row {
         }
       }
     }
-    
+
     // Fetch the event's date information.
     try {
       if ($date_field_name == 'first_available') {
@@ -147,10 +147,10 @@ class date_ical_plugin_row_ical_fields extends views_plugin_row {
         throw $e;
       }
     }
-    
+
     // Create the event by starting with the date array from this row.
     $event = $date;
-    
+
     $entity = $row->_field_data[$this->view->base_field]['entity'];
     $entity_type = $row->_field_data[$this->view->base_field]['entity_type'];
     // Add the CREATED, LAST-MODIFIED, and URL components based on the entity.
@@ -170,7 +170,7 @@ class date_ical_plugin_row_ical_fields extends views_plugin_row {
     $uri = entity_uri($entity_type, $entity);
     $uri['options']['absolute'] = TRUE;
     $event['url'] = url($uri['path'], $uri['options']);
-    
+
     // Generate a unique ID for this event by emulating the way the Date module
     // creates a Date ID.
     if (isset($row->{"field_data_{$date_field_name}_delta"})) {
@@ -193,7 +193,7 @@ class date_ical_plugin_row_ical_fields extends views_plugin_row {
     global $base_url;
     $domain = preg_replace('#^https?://#', '', $base_url);
     $event['uid'] = "calendar.$entity_id.$date_field_name.$date_field_delta@$domain";
-    
+
     // Because of the way that Date implements repeating dates, we're going to
     // be given a separate view result for each repeat. We only want to
     // render a VEVENT (with an RRULE) for the first instance of that date, so
@@ -208,12 +208,12 @@ class date_ical_plugin_row_ical_fields extends views_plugin_row {
         return FALSE;
       }
     }
-    
+
     // Retrieve the rendered text fields.
     $text_fields['summary'] = $this->get_field($row->index, $this->options['title_field']);
     $text_fields['description'] = $this->get_field($row->index, $this->options['description_field']);
     $text_fields['location'] = $this->get_field($row->index, $this->options['location_field']);
-    
+
     // Allow other modules to alter the rendered text fields before they get
     // sanitized for iCal-compliance. This is most useful for fields of type
     // "Content: Rendered Node", which are likely to have complex HTML.
@@ -224,16 +224,16 @@ class date_ical_plugin_row_ical_fields extends views_plugin_row {
       'options' => $this->options,
     );
     drupal_alter('date_ical_export_html', $text_fields, $this->view, $context);
-    
+
     // Sanitize the text fields for iCal compliance, and add them to the event.
     $event['summary'] = date_ical_sanitize_text($text_fields['summary']);
     $event['location'] = date_ical_sanitize_text($text_fields['location']);
     $event['description'] = date_ical_sanitize_text($text_fields['description']);
-    
+
     // Allow other modules to alter the event object before it gets passed to
     // the style plugin to be converted into an iCal VEVENT.
     drupal_alter('date_ical_export_raw_event', $event, $this->view, $context);
-    
+
     return $event;
   }
 
@@ -254,15 +254,15 @@ class date_ical_plugin_row_ical_fields extends views_plugin_row {
     $rrule = NULL;
     $delta = 0;
     $is_date_field = FALSE;
-    
+
     // Fetch the date field value.
     $date_field_value = $this->view->style_plugin->get_field_value($row->index, $date_field_name);
-    
+
     // Handle date fields.
     if (isset($date_field_value[$delta]) && is_array($date_field_value[$delta])) {
       $is_date_field = TRUE;
       $date_field = $date_field_value[$delta];
-      
+
       $start = new DateObject($date_field['value'], $date_field['timezone_db']);
       if (!empty($date_field['value2'])) {
         $end = new DateObject($date_field['value2'], $date_field['timezone_db']);
@@ -270,7 +270,7 @@ class date_ical_plugin_row_ical_fields extends views_plugin_row {
       else {
         $end = clone $start;
       }
-      
+
       if (isset($date_field['rrule'])) {
         $rrule = $date_field['rrule'];
       }
@@ -285,41 +285,41 @@ class date_ical_plugin_row_ical_fields extends views_plugin_row {
       $title = strip_tags($this->view->style_plugin->get_field($row->index, $this->options['title_field']));
       throw new BlankDateFieldException(t("The row %title has a blank date. An iCal entry cannot be created for it.", array('%title' => $title)));
     }
-    
+
     // Set the display timezone to whichever tz is stored for this field.
     // If there isn't a stored TZ, use the site default.
     $timezone = isset($date_field['timezone']) ? $date_field['timezone'] : date_default_timezone(FALSE);
     $dtz = new DateTimeZone($timezone);
     $start->setTimezone($dtz);
     $end->setTimezone($dtz);
-    
+
     $granularity = 'second';
     if ($is_date_field) {
       $granularity_settings = $this->view->field[$date_field_name]->field_info['settings']['granularity'];
       $granularity = date_granularity_precision($granularity_settings);
     }
-    
+
     // Check if the start and end dates indicate that this is an All Day event.
     $all_day = date_is_all_day(
       date_format($start, DATE_FORMAT_DATETIME),
       date_format($end, DATE_FORMAT_DATETIME),
       $granularity
     );
-    
+
     if ($all_day) {
       // According to RFC 2445 (clarified in RFC 5545) the DTEND value is
       // non-inclusive. When dealing with All Day values, they are DATEs rather
       // than DATETIMEs, so we need to add a day to conform to RFC.
       $end->modify("+1 day");
     }
-    
+
     $date = array(
       'start' => $start,
       'end' => $end,
       'all_day' => $all_day,
       'rrule' => $rrule,
     );
-    
+
     return $date;
   }
 
@@ -339,7 +339,7 @@ class date_ical_plugin_row_ical_fields extends views_plugin_row {
     $field_candidates = array();
     // These are Date, Date (ISO format), and Date (Unix timestamp).
     $date_fields = array('datetime', 'date', 'datestamp');
-    
+
     foreach ($view_fields as $alias => $label) {
       $handler_class = get_class($handlers[$alias]);
       if ($handler_class == 'views_handler_field_date'

includes/date_ical_plugin_style_ical_feed.inc

@@ -8,14 +8,14 @@
  * Defines a Views style plugin that renders iCal feeds.
  */
 class date_ical_plugin_style_ical_feed extends views_plugin_style {
-  
+
   /**
    * Internal helper function.
    */
   protected function _get_option($option_name) {
     return isset($this->options[$option_name]) ? $this->options[$option_name] : '';
   }
-  
+
   /**
    * Sets up the iCal feed icon on calendar pages.
    */
@@ -26,14 +26,14 @@ class date_ical_plugin_style_ical_feed extends views_plugin_style {
       $url_options['query'] = $input;
     }
     $url_options['absolute'] = TRUE;
-    
+
     $url = url($this->view->get_url(NULL, $path), $url_options);
     // If the user didn't disable the option, change the scheme to webcal://
     // so calendar clients can automatically subscribe via the iCal link.
     if (!$this->_get_option('disable_webcal')) {
       $url = str_replace(array('http://', 'https://'), 'webcal://', $url);
     }
-    
+
     // Render the feed icon and header tag (except during a View Preview).
     if (empty($this->view->live_preview)) {
       $tooltip = t('Add to My Calendar');
@@ -57,13 +57,13 @@ class date_ical_plugin_style_ical_feed extends views_plugin_style {
       ));
     }
   }
-  
+
   /**
    * Set up the options for the style plugin.
    */
   public function option_definition() {
     $false_bool = array('default' => FALSE, 'bool' => TRUE);
-    
+
     $options = parent::option_definition();
     $options['cal_name'] = array('default' => array());
     $options['no_calname'] = $false_bool;
@@ -72,7 +72,7 @@ class date_ical_plugin_style_ical_feed extends views_plugin_style {
     $options['unescape_punctuation'] = $false_bool;
     return $options;
   }
-  
+
   /**
    * Build the form for setting the style plugin's options.
    */
@@ -120,7 +120,7 @@ class date_ical_plugin_style_ical_feed extends views_plugin_style {
         Enable this option to have Date iCal unescape these characters before it exports the iCal feed.'),
     );
   }
-  
+
   /**
    * Render the event arrays returned by the row plugin into a VCALENDAR.
    */
@@ -148,7 +148,7 @@ class date_ical_plugin_style_ical_feed extends views_plugin_style {
       }
     }
     unset($this->view->row_index);
-    
+
     // Try to load the iCalcreator library.
     $library = libraries_load('iCalcreator');
     if (!$library['loaded']) {
@@ -160,7 +160,7 @@ class date_ical_plugin_style_ical_feed extends views_plugin_style {
       $config = array('unique_id' => 'Date iCal v' . DATE_ICAL_VERSION);
       $vcalendar = new vcalendar($config);
       $vcalendar->setMethod('PUBLISH');
-      
+
       // Only include the X-WR-CALNAME property if the user didn't enable
       // the "Exclude Calendar Name" option.
       if (!$this->_get_option('no_calname')) {
@@ -175,7 +175,7 @@ class date_ical_plugin_style_ical_feed extends views_plugin_style {
           $vcalendar->setProperty('X-WR-CALNAME', $cal_name, array('VALUE' => 'TEXT'));
         }
       }
-      
+
       // Now add the VEVENTs.
       $timezones = array();
       foreach ($events as $event) {
@@ -185,16 +185,16 @@ class date_ical_plugin_style_ical_feed extends views_plugin_style {
           // When this happens, just skip it.
           continue;
         }
-        
+
         $vevent = $vcalendar->newComponent('vevent');
         $vevent->setUid($event['uid']);
         $vevent->setSummary($event['summary']);
-        
+
         // Get the start date as an array.
         $start = $event['start']->toArray();
         $start_timezone = $event['start']->getTimezone()->getName();
         $timezones[$start_timezone] = $start_timezone;
-        
+
         if ($event['all_day']) {
           // All Day events need to be DATEs, rather than DATE-TIMEs.
           $vevent->setDtstart($start['year'], $start['month'], $start['day'],
@@ -211,16 +211,16 @@ class date_ical_plugin_style_ical_feed extends views_plugin_style {
             $start_timezone
           );