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<?php
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// $Id$
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/**
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* @file
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* Demonstrates the Holidays module functionality by drawing a calendar.
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*/
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/**
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* Implementation of hook_menu().
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*/
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function holidays_menu($may_cache) {
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$items = array();
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if ($may_cache) {
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$items[] = array(
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'path' => 'holidays',
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'title' => t('Holidays module demonstration'),
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'callback' => 'holidays_demo',
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'access' => TRUE,
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'type' => MENU_NORMAL_ITEM,
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);
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}
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return $items;
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}
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// Builds the selection and settings form. Note that, for usability reasons, this
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// is a GET form. Since FAPI doens't process GET forms, we will have to so some
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// chores ourselves later on.
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function holidays_calendar_selection_form($cal) {
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global $year, $month;
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$form['calendar-selection'] = array(
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'#type' => 'fieldset'
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);
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$form['calendar-selection']['calendar'] = array(
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'#type' => 'select',
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'#title' => t('Select the calendar'),
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'#options' => holidays_get_calendars(),
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'#default_value' => $cal->name,
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);
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$form['calendar-selection']['language'] = array(
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'#type' => 'radios',
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'#title' => t('Select the language in which to print the calendar'),
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'#options' => array(
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'foreign' => t("The website's language"),
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'native' => t("The calendar's native language"),
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),
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'#default_value' => ($cal->language == CAL_LANG_NATIVE) ? 'native' : 'foreign',
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);
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$form['calendar-selection']['submit'] = array(
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'#type' => 'submit',
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'#value' => t('Submit'),
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);
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if ($cal && ($settings_form = $cal->settings_get_form())) {
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$form['calendar-selection']['settings'] = $settings_form;
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$form['calendar-selection']['settings'] += array(
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'#type' => 'fieldset',
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'#title' => t('Settings for this calendar'),
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'#collapsible' => TRUE,
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'#collapsed' => FALSE,
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);
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$form['calendar-selection']['settings_are_for'] = array(
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'#type' => 'hidden',
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'#value' => $cal->name,
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);
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}
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if (!variable_get('clean_url', '0')) {
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$form['q'] = array(
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'#type' => 'hidden',
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'#value' => $_GET['q'],
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);
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}
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$form['year'] = array(
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'#type' => 'hidden',
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'#value' => $year,
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);
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$form['month'] = array(
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'#type' => 'hidden',
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'#value' => $month,
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);
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$form['#method'] = 'GET';
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$form['#process'] = array('_holidays_form_process' => array());
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return $form;
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}
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// Makes the URL more aesthetic by removing some interval FAPI variables.
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function _holidays_form_process($form) {
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unset($form['form_id']);
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unset($form['form_token']);
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return $form;
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}
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// Extracts the chosen calendar's settings from the URL.
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function _holidays_get_url_settings($cal) {
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$settings = array();
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if (isset($_GET['settings_are_for']) && $_GET['settings_are_for'] == $cal->name) {
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// Settings are available in the URL.
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foreach ($cal->settings_save() as $name) {
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if (isset($_GET[$name])) {
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$settings[$name] = $_GET[$name];
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} else {
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// We assume a mising setting stands for an unchecked checkbox.
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$settings[$name] = 0;
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}
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}
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}
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return $settings;
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}
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// The main function.
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function holidays_demo() {
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global $year, $month;
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$year = isset($_GET['year']) ? $_GET['year'] : NULL;
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$month = isset($_GET['month']) ? $_GET['month'] : NULL;
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$today = getdate(time());
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if (!isset($year) || !isset($month)) {
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$year = $today['year'];
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$month = $today['mon'];
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}
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drupal_add_css(drupal_get_path('module', 'holidays'). '/holidays_demo.css');
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require_once drupal_get_path('module', 'holidays'). '/holidays_demo.theme';
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if (empty($_GET['calendar'])) {
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// Get the first one in the list
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$list = holidays_get_calendars();
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$_GET['calendar'] = current($list);
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}
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$cal = holidays_factory($_GET['calendar']);
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if (!$cal) {
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drupal_set_message(t("Cannot create calendar of type '%s'", array('%s' => $_GET['calendar'])), 'error');
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return '';
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}
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$cal->settings(_holidays_get_url_settings($cal));
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if (isset($_GET['language']) && $_GET['language'] == 'native') {
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$cal->language(CAL_LANG_NATIVE);
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} else {
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$cal->language(CAL_LANG_FOREIGN);
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}
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$output = drupal_get_form('holidays_calendar_selection_form', $cal);
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$output .= '<div class="calendar '. _holidays_calculate_dir($cal) .'">';
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$output .= theme('holidays_navigation', $cal);
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$output .= $cal->printCal($year, $month);
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$output .= '</div>';
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return $output;
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}
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// Figures out the directionality of the table.
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function _holidays_calculate_dir($cal) {
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if ($cal->language == CAL_LANG_NATIVE && $cal->is_rtl()) {
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return 'rtl';
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} else {
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return 'ltr';
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}
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}
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