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<?php
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/**
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* @file
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* Adds All Day functionality to the Date field.
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*
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* This module implements a number of hooks in the Date field and Date API
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* element processing and to add an All Day checkbox to date widgets, and also
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* adds an All Day theme and All Day information to the formatting.
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*
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* Keep in mind that the process hooks are fired from the top down, first
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* date_combo, then the date_select or date_popup.
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*
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* Validation fires from the bottom up, first date_select and date_popup, then
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* date_combo.
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*/
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/**
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* Implements hook_theme().
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*/
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function date_all_day_theme() {
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$themes = array(
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'date_all_day' => array(
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'variables' => array(
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'field' => NULL,
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'instance' => NULL,
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'which' => NULL,
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'date1' => NULL,
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'date2' => NULL,
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'format' => NULL,
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'entity_type' => NULL,
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'entity' => NULL,
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'view' => NULL,
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),
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),
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'date_all_day_label' => array(
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'variables' => array(),
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),
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);
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return $themes;
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}
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/**
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* Implements hook_date_formatter_dates_alter().
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*/
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function date_all_day_date_formatter_dates_alter(&$dates, $context) {
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// This allows us to alter the $dates array created by date_formatter_process.
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$field = $context['field'];
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$instance = $context['instance'];
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$format = $context['format'];
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$entity_type = $context['entity_type'];
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$entity = $context['entity'];
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$date1 = $dates['value']['local']['object'];
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$date2 = $dates['value2']['local']['object'];
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$is_all_day = date_all_day_field($field, $instance, $date1, $date2);
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$all_day1 = '';
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$all_day2 = '';
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if ($format != 'format_interval' && $is_all_day) {
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$all_day1 = theme('date_all_day', array(
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'field' => $field,
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'instance' => $instance,
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'which' => 'date1',
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'date1' => $date1,
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'date2' => $date2,
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'format' => $format,
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'entity_type' => $entity_type,
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'entity' => $entity,
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));
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$all_day2 = theme('date_all_day', array(
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'field' => $field,
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'instance' => $instance,
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'which' => 'date2',
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'date1' => $date1,
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'date2' => $date2,
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'format' => $format,
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'entity_type' => $entity_type,
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'entity' => $entity,
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));
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$dates['value']['formatted_time'] = theme('date_all_day_label');
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$dates['value2']['formatted_time'] = theme('date_all_day_label');
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$dates['value']['formatted'] = $all_day1;
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$dates['value2']['formatted'] = $all_day2;
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}
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}
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/**
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* Adjust start/end date format to account for 'all day' .
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*
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* @param array $field
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* The field definition for this date field.
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* @param string $which
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* Which value to return, 'date1' or 'date2'.
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* @param object $date1
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* A date/time object for the 'start' date.
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* @param object $date2
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* A date/time object for the 'end' date.
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* @param string $format
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* A date/time format.
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* @param object $entity
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* The node this date comes from (may be incomplete, always contains nid).
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* @param object $view
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* The view this node comes from, if applicable.
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*
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* @return string|null
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* Formatted date.
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*/
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function theme_date_all_day($vars) {
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$field = $vars['field'];
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$instance = $vars['instance'];
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$which = $vars['which'];
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$date1 = $vars['date1'];
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$date2 = $vars['date2'];
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$format = $vars['format'];
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$entity = $vars['entity'];
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$view = !empty($vars['view']) ? $vars['view'] : NULL;
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if (empty($date1) || !is_object($date1) || $format == 'format_interval') {
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return;
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}
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if (empty($date2)) {
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$date2 = $date1;
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}
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$suffix = '';
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if (!date_has_time($field['settings']['granularity'])) {
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$format = date_limit_format($format, array('year', 'month', 'day'));
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}
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else {
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$format_granularity = date_format_order($format);
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$format_has_time = FALSE;
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if (in_array('hour', $format_granularity)) {
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$format_has_time = TRUE;
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}
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$all_day = date_all_day_field($field, $instance, $date1, $date2);
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if ($all_day && $format_has_time) {
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$format = date_limit_format($format, array('year', 'month', 'day'));
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$suffix = ' ' . theme('date_all_day_label');
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}
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}
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return trim(date_format_date($$which, 'custom', $format) . $suffix);
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}
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/**
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* Theme the way an 'all day' label will look.
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*/
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function theme_date_all_day_label() {
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return t('(All day)', array(), array('context' => 'datetime'));
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}
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/**
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* Determine if a Start/End date combination qualify as 'All day'.
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*
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* @param array $field
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* The field definition for this date field.
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* @param array $instance
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* The field instance for this date field.
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* @param object $date1
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* A date/time object for the 'Start' date.
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* @param object $date2
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* A date/time object for the 'End' date.
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*
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* @return bool
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* TRUE or FALSE.
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*/
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function date_all_day_field(array $field, array $instance, $date1, $date2 = NULL) {
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if (empty($date1) || !is_object($date1)) {
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return FALSE;
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}
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elseif (!date_has_time($field['settings']['granularity'])) {
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return FALSE;
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}
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// The master setting for the 'all day' functionality.
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elseif (empty($instance['widget']['settings']['display_all_day'])) {
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return FALSE;
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}
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if (empty($date2)) {
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$date2 = $date1;
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}
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// Several scenarios result in the two date values being the same, e.g.
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// date_formatter_process().
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if ($date1 == $date2) {
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// Clone the date object so that changes made to the object won't affect
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// both variables.
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$date1 = clone $date2;
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// Set the time to midnight so that the two variables can be properly
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// compared later in date_is_all_day().
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$date1->setTime(0, 0, 0);
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}
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// Use central logic for determining the granularity.
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$granularity = date_granularity_precision($field['settings']['granularity']);
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// The increment is 1 by default, but it can be overridden.
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$increment = 1;
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if (isset($instance['widget']['settings']['increment'])) {
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$increment = $instance['widget']['settings']['increment'];
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}
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return date_is_all_day(date_format($date1, DATE_FORMAT_DATETIME), date_format($date2, DATE_FORMAT_DATETIME), $granularity, $increment);
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}
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/**
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* Implements hook_date_combo_process_alter().
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*/
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function date_all_day_date_combo_process_alter(&$element, &$form_state, $context) {
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// This hook lets us make changes to the date_combo element.
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$field = $context['field'];
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$instance = $context['instance'];
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// Add the all_day checkbox to the combo element.
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if (!empty($instance['widget']['settings']['display_all_day'])) {
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$parents = $element['#parents'];
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$first_parent = array_shift($parents);
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$all_day_id = $first_parent . '[' . implode('][', $parents) . '][all_day]';;
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foreach (array('value', 'value2') as $key) {
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if (array_key_exists($key, $element)) {
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$element[$key]['#date_all_day_id'] = $all_day_id;
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}
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}
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$from = $element['#default_value']['value'];
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$to = !empty($element['#default_value']['value2']) ? $element['#default_value']['value2'] : $element['#default_value']['value'];
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$granularity = date_granularity_precision($context['field']['settings']['granularity']);
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$increment = isset($context['instance']['widget']['settings']['increment']) ? $context['instance']['widget']['settings']['increment'] : 1;
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$date_is_all_day = date_is_all_day($from, $to, $granularity, $increment);
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$all_day = !empty($form_state['values']['all_day']) || $date_is_all_day;
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$element['all_day'] = array(
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'#title' => t('All Day'),
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'#type' => 'checkbox',
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'#default_value' => $all_day,
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'#weight' => -21,
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'#prefix' => '<div class="date-float">',
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'#suffix' => '</div>',
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);
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}
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// Set all_day to 0 for all other date fields.
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else {
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$form['all_day']['#type'] = 'hidden';
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$form['all_day']['#value'] = 0;
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}
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}
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/**
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* Implements hook_date_text_process_alter().
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*/
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function date_all_day_date_text_process_alter(&$element, &$form_state, $context) {
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// This hook lets us make changes to the date_select widget.
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$all_day_id = !empty($element['#date_all_day_id']) ? $element['#date_all_day_id'] : '';
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if ($all_day_id != '') {
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// All Day handling on text dates works only if the user leaves the time
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// out of the input value. There is no element to hide or show.
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}
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}
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/**
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* Implements hook_date_select_process_alter().
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*/
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function date_all_day_date_select_process_alter(&$element, &$form_state, $context) {
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// This hook lets us make changes to the date_select widget. Hide or show
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// this element in reaction to the all_day status for this element.
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$all_day_id = !empty($element['#date_all_day_id']) ? $element['#date_all_day_id'] : '';
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if ($all_day_id != '') {
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foreach (array('hour', 'minute', 'second', 'ampm') as $field) {
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if (array_key_exists($field, $element)) {
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$element[$field]['#states'] = array(
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'visible' => array(
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'input[name="' . $all_day_id . '"]' => array('checked' => FALSE),
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),
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);
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}
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}
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}
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}
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/**
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* Implements hook_date_popup_process_alter().
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*/
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function date_all_day_date_popup_process_alter(&$element, &$form_state, $context) {
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// This hook lets us make changes to the date_popup element. Hide or show
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// this element in reaction to the all_day status for this element.
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$all_day_id = !empty($element['#date_all_day_id']) ? $element['#date_all_day_id'] : '';
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if ($all_day_id != '' && array_key_exists('time', $element)) {
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$element['time']['#states'] = array(
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'visible' => array(
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'input[name="' . $all_day_id . '"]' => array('checked' => FALSE),
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),
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);
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}
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}
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/**
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* Implements hook_date_select_pre_validate_alter().
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*/
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function date_all_day_date_text_pre_validate_alter(&$element, &$form_state, &$input) {
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// This hook lets us alter the element or the form_state before the rest of
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// the date_select validation gets fired. Let Date module massage the format
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// for all day values so they will pass validation. The All day flag, if
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|
// used, actually exists on the parent element.
|
307 |
85ad3d82
|
Assos Assos
|
date_all_day_value($element, $form_state);
|
308 |
|
|
}
|
309 |
|
|
|
310 |
|
|
/**
|
311 |
|
|
* Implements hook_date_select_pre_validate_alter().
|
312 |
|
|
*/
|
313 |
|
|
function date_all_day_date_select_pre_validate_alter(&$element, &$form_state, &$input) {
|
314 |
599a39cd
|
Assos Assos
|
// This hook lets us alter the element or the form_state before the rest of
|
315 |
|
|
// the date_select validation gets fired. Let Date module massage the format
|
316 |
|
|
// for all day values so they will pass validation. The All day flag, if
|
317 |
|
|
// used, actually exists on the parent element.
|
318 |
85ad3d82
|
Assos Assos
|
date_all_day_value($element, $form_state);
|
319 |
|
|
}
|
320 |
|
|
|
321 |
|
|
/**
|
322 |
|
|
* Implements hook_date_select_pre_validate_alter().
|
323 |
|
|
*/
|
324 |
|
|
function date_all_day_date_popup_pre_validate_alter(&$element, &$form_state, &$input) {
|
325 |
599a39cd
|
Assos Assos
|
// This hook lets us alter the element or the form_state before the rest of
|
326 |
|
|
// the date_popup validation gets fired. Let Date module massage the format
|
327 |
|
|
// for all day values so they will pass validation. The All day flag, if
|
328 |
|
|
// used, actually exists on the parent element.
|
329 |
85ad3d82
|
Assos Assos
|
date_all_day_value($element, $form_state);
|
330 |
|
|
}
|
331 |
|
|
|
332 |
|
|
/**
|
333 |
b720ea3e
|
Assos Assos
|
* A helper function date_all_day_value().
|
334 |
85ad3d82
|
Assos Assos
|
*/
|
335 |
|
|
function date_all_day_value(&$element, $form_state) {
|
336 |
599a39cd
|
Assos Assos
|
// To check if the all day flag is set on the parent of an element, and
|
337 |
|
|
// adjust the date_format accordingly so the missing time will not cause
|
338 |
|
|
// validation errors.
|
339 |
85ad3d82
|
Assos Assos
|
if (!empty($element['#date_all_day_id'])) {
|
340 |
|
|
$parents = $element['#parents'];
|
341 |
|
|
array_pop($parents);
|
342 |
|
|
$parent_element = drupal_array_get_nested_value($form_state['values'], $parents);
|
343 |
|
|
if (!empty($parent_element) && !empty($parent_element['all_day'])) {
|
344 |
|
|
$element['#date_format'] = date_part_format('date', $element['#date_format']);
|
345 |
|
|
return $parent_element['all_day'];
|
346 |
|
|
}
|
347 |
|
|
}
|
348 |
|
|
return FALSE;
|
349 |
|
|
}
|
350 |
|
|
|
351 |
|
|
/**
|
352 |
|
|
* Implements hook_date_combo_pre_validate_alter().
|
353 |
|
|
*/
|
354 |
|
|
function date_all_day_date_combo_pre_validate_alter(&$element, &$form_state, $context) {
|
355 |
599a39cd
|
Assos Assos
|
// This hook lets us alter the element or the form_state before the rest of
|
356 |
|
|
// the date_combo validation gets fired.
|
357 |
85ad3d82
|
Assos Assos
|
if (!empty($context['item']['all_day'])) {
|
358 |
|
|
$field = $context['field'];
|
359 |
|
|
|
360 |
|
|
// If we have an all day flag on this date and the time is empty,
|
361 |
b720ea3e
|
Assos Assos
|
// change the format to match the input value
|
362 |
|
|
// so we don't get validation errors.
|
363 |
85ad3d82
|
Assos Assos
|
$element['#date_is_all_day'] = TRUE;
|
364 |
|
|
$element['value']['#date_format'] = date_part_format('date', $element['value']['#date_format']);
|
365 |
|
|
if (!empty($field['settings']['todate'])) {
|
366 |
|
|
$element['value2']['#date_format'] = date_part_format('date', $element['value2']['#date_format']);
|
367 |
|
|
}
|
368 |
|
|
}
|
369 |
|
|
}
|
370 |
|
|
|
371 |
|
|
/**
|
372 |
|
|
* Implements hook_date_combo_validate_date_start_alter().
|
373 |
|
|
*/
|
374 |
|
|
function date_all_day_date_combo_validate_date_start_alter(&$date, &$form_state, $context) {
|
375 |
599a39cd
|
Assos Assos
|
// This hook lets us alter the local date objects created by the date_combo
|
376 |
|
|
// validation before they are converted back to the database timezone and
|
377 |
|
|
// stored. If this is an 'All day' value, set the time to midnight.
|
378 |
b720ea3e
|
Assos Assos
|
if (!empty($context['element']['#date_is_all_day'])) {
|
379 |
|
|
$date->setTime(0, 0, 0);
|
380 |
|
|
}
|
381 |
85ad3d82
|
Assos Assos
|
}
|
382 |
|
|
|
383 |
|
|
/**
|
384 |
|
|
* Implements hook_date_combo_validate_date_end_alter().
|
385 |
|
|
*/
|
386 |
|
|
function date_all_day_date_combo_validate_date_end_alter(&$date, &$form_state, $context) {
|
387 |
599a39cd
|
Assos Assos
|
// This hook lets us alter the local date objects created by the date_combo
|
388 |
|
|
// validation before they are converted back to the database timezone and
|
389 |
|
|
// stored. If this is an 'All day' value, set the time as close to midnight as
|
390 |
|
|
// possible.
|
391 |
b720ea3e
|
Assos Assos
|
if (!empty($context['element']['#date_is_all_day'])) {
|
392 |
599a39cd
|
Assos Assos
|
$increment = isset($context['instance']['widget']['settings']['increment']) ? $context['instance']['widget']['settings']['increment'] : 1;
|
393 |
|
|
// @todo Should this reduce by an additional 1 minute if the increment is
|
394 |
|
|
// more than 1? For example, if the increment is 15 should the upper value
|
395 |
|
|
// be 23:45:59 or 23:44:59?
|
396 |
|
|
$date->setTime(23, 60 - $increment, 59);
|
397 |
b720ea3e
|
Assos Assos
|
}
|
398 |
85ad3d82
|
Assos Assos
|
}
|
399 |
|
|
|
400 |
|
|
/**
|
401 |
|
|
* Implements hook_field_widget_info_alter().
|
402 |
|
|
*/
|
403 |
|
|
function date_all_day_field_widget_info_alter(&$info) {
|
404 |
599a39cd
|
Assos Assos
|
// This Field API hook lets us add a new setting to the widgets.
|
405 |
85ad3d82
|
Assos Assos
|
// Add a setting to a widget type.
|
406 |
|
|
$info['date_select']['settings'] += array(
|
407 |
|
|
'display_all_day' => 0,
|
408 |
|
|
);
|
409 |
|
|
$info['date_text']['settings'] += array(
|
410 |
|
|
'display_all_day' => 0,
|
411 |
|
|
);
|
412 |
|
|
if (module_exists('date_popup')) {
|
413 |
|
|
$info['date_popup']['settings'] += array(
|
414 |
|
|
'display_all_day' => 0,
|
415 |
|
|
);
|
416 |
|
|
}
|
417 |
|
|
}
|
418 |
|
|
|
419 |
|
|
/**
|
420 |
|
|
* Implements hook_date_field_widget_settings_form_alter().
|
421 |
|
|
*/
|
422 |
|
|
function date_all_day_date_field_widget_settings_form_alter(&$form, $context) {
|
423 |
599a39cd
|
Assos Assos
|
// This hook lets us alter the field settings form by adding a place to set
|
424 |
|
|
// the value added above.
|
425 |
85ad3d82
|
Assos Assos
|
$field = $context['field'];
|
426 |
|
|
$instance = $context['instance'];
|
427 |
|
|
|
428 |
|
|
$settings = $instance['widget']['settings'];
|
429 |
|
|
|
430 |
|
|
$form['display_all_day'] = array(
|
431 |
|
|
'#type' => 'checkbox',
|
432 |
|
|
'#title' => t('Display all day checkbox'),
|
433 |
|
|
'#default_value' => $settings['display_all_day'],
|
434 |
|
|
'#description' => t("Determines whether to display the 'All Day' checkbox to the user."),
|
435 |
|
|
'#weight' => 8,
|
436 |
|
|
'#fieldset' => 'date_format',
|
437 |
|
|
);
|
438 |
|
|
|
439 |
|
|
// Hide the option to use the all day checkbox for dates with no time.
|
440 |
|
|
if (!date_has_time($field['settings']['granularity'])) {
|
441 |
|
|
$form['display_all_day']['#type'] = 'hidden';
|
442 |
|
|
$form['display_all_day']['#value'] = 0;
|
443 |
|
|
}
|
444 |
|
|
} |