Now all modules are in core modules folder
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modules/calendar/calendar_ical/calendar_plugin_display_ical.inc
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modules/calendar/calendar_ical/calendar_plugin_display_ical.inc
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<?php
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// $Id: calendar_plugin_display_ical.inc,v 1.1.2.5 2008/11/25 16:12:36 karens Exp $
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/**
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* The plugin that handles a feed, such as RSS or atom.
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*
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* For the most part, feeds are page displays but with some subtle differences.
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*/
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class calendar_plugin_display_ical extends views_plugin_display_page {
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function get_style_type() { return 'ical'; }
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function uses_breadcrumb() { return FALSE; }
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/**
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* Feeds do not go through the normal page theming mechanism. Instead, they
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* go through their own little theme function and then return NULL so that
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* Drupal believes that the page has already rendered itself...which it has.
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*/
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function execute() {
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$output = $this->view->render();
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if (empty($output)) {
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return drupal_not_found();
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}
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print $output;
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}
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function preview() {
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return '<pre>' . check_plain($this->view->render()) . '</pre>';
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}
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/**
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* Instead of going through the standard views_view.tpl.php, delegate this
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* to the style handler.
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*/
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function render() {
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return $this->view->style_plugin->render($this->view->result);
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}
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function defaultable_sections($section = NULL) {
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if (in_array($section, array('style_options', 'style_plugin', 'row_options', 'row_plugin',))) {
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return FALSE;
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}
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$sections = parent::defaultable_sections($section);
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// Tell views our sitename_title option belongs in the title section.
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if ($section == 'title') {
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$sections[] = 'sitename_title';
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}
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elseif (!$section) {
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$sections['title'][] = 'sitename_title';
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}
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return $sections;
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}
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function option_definition() {
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$options = parent::option_definition();
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$options['displays'] = array('default' => array());
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// Overrides for standard stuff:
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$options['style_plugin']['default'] = 'rss';
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$options['style_options']['default'] = array('mission_description' => FALSE, 'description' => '');
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$options['sitename_title']['default'] = FALSE;
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$options['row_plugin']['default'] = '';
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$options['defaults']['default']['style_plugin'] = FALSE;
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$options['defaults']['default']['style_options'] = FALSE;
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$options['defaults']['default']['row_plugin'] = FALSE;
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$options['defaults']['default']['row_options'] = FALSE;
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return $options;
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}
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function options_summary(&$categories, &$options) {
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// It is very important to call the parent function here:
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parent::options_summary($categories, $options);
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// Since we're childing off the 'page' type, we'll still *call* our
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// category 'page' but let's override it so it says feed settings.
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$categories['page'] = array(
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'title' => t('iCal settings'),
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);
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if ($this->get_option('sitename_title')) {
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$options['title']['value'] = t('Using the site name');
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}
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// I don't think we want to give feeds menus directly.
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unset($options['menu']);
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$displays = array_filter($this->get_option('displays'));
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if (count($displays) > 1) {
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$attach_to = t('Multiple displays');
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}
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else if (count($displays) == 1) {
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$display = array_shift($displays);
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if (!empty($this->view->display[$display])) {
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$attach_to = $this->view->display[$display]->display_title;
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}
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}
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if (!isset($attach_to)) {
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$attach_to = t('None');
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}
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$options['displays'] = array(
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'category' => 'page',
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'title' => t('Attach to'),
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'value' => $attach_to,
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);
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}
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/**
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* Provide the default form for setting options.
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*/
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function options_form(&$form, &$form_state) {
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// It is very important to call the parent function here.
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parent::options_form($form, $form_state);
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switch ($form_state['section']) {
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case 'title':
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$title = $form['title'];
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// A little juggling to move the 'title' field beyond our checkbox.
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unset($form['title']);
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$form['sitename_title'] = array(
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'#type' => 'checkbox',
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'#title' => t('Use the site name for the title'),
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'#default_value' => $this->get_option('sitename_title'),
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);
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$form['title'] = $title;
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$form['title']['#process'] = array('views_process_dependency');
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$form['title']['#dependency'] = array('edit-sitename-title' => array(FALSE));
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break;
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case 'displays':
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$form['#title'] .= t('Attach to');
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$displays = array();
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foreach ($this->view->display as $display_id => $display) {
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if (!empty($display->handler) && $display->handler->accept_attachments()) {
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$displays[$display_id] = $display->display_title;
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}
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}
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$form['displays'] = array(
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'#type' => 'checkboxes',
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'#description' => t('The ical icon will be shown only on the selected displays.'),
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'#options' => $displays,
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'#default_value' => $this->get_option('displays'),
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);
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break;
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case 'path':
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$form['path']['#description'] = t('This view will be displayed by visiting this path on your site. It is recommended that the path be something like "path/%/%/ical", putting one % in the path for each argument you have defined in the view.');
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break;
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}
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}
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/**
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* Perform any necessary changes to the form values prior to storage.
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* There is no need for this function to actually store the data.
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*/
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function options_submit($form, &$form_state) {
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// It is very important to call the parent function here:
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parent::options_submit($form, $form_state);
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switch ($form_state['section']) {
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case 'title':
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$this->set_option('sitename_title', $form_state['values']['sitename_title']);
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break;
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case 'displays':
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$this->set_option($form_state['section'], $form_state['values'][$form_state['section']]);
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break;
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}
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}
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/**
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* Attach to another view.
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*/
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function attach_to($display_id) {
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$displays = $this->get_option('displays');
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if (empty($displays[$display_id])) {
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return;
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}
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// Defer to the feed style; it may put in meta information, and/or
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// attach a feed icon.
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$plugin = $this->get_plugin();
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if ($plugin) {
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$clone = $this->view->clone_view();
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$clone->set_display($this->display->id);
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$clone->build_title();
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$plugin->attach_to($display_id, $this->get_path(), $clone->get_title());
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}
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}
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/**
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* Display validation.
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*/
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function validate() {
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$errors = parent::validate();
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$arguments = $this->display->handler->get_option('arguments');
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$filters = $this->display->handler->get_option('filters');
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if (!array_key_exists('date_argument', $arguments) && !array_key_exists('date_filter', $filters)) {
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if (empty($this->view->date_info->arg_missing)) {
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$errors[] = t("A Calendar period display will not work without a Date argument or a Date filter.");
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}
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$this->view->date_info->arg_missing = TRUE;
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}
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if (array_key_exists('date_argument', $arguments) &&
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($arguments['date_argument']['default_action'] != 'default' || $arguments['date_argument']['default_argument_type'] != 'date')) {
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if (empty($this->view->date_info->arg_missing_default)) {
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$errors[] = calendar_errors('missing_argument_default');
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}
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$this->view->date_info->arg_missing_default = TRUE;
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}
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return $errors;
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}
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}
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