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<?php
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/**
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* @file
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* Field hooks to implement a date field.
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*/
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7
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8
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/**
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* Implements hook_field_formatter_info().
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*/
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function date_field_formatter_info() {
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$formatters = array(
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'date_default' => array(
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'label' => t('Date and time'),
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'field types' => array('date', 'datestamp', 'datetime'),
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'settings' => array(
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'format_type' => 'long',
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'multiple_number' => '',
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'multiple_from' => '',
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'multiple_to' => '',
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'fromto' => 'both',
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'show_remaining_days' => FALSE,
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),
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),
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'format_interval' => array(
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'label' => t('Time ago'),
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'field types' => array('date', 'datestamp', 'datetime'),
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'settings' => array(
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'interval' => 2,
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'interval_display' => 'time ago',
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),
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),
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'date_plain' => array(
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'label' => t('Plain'),
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'field types' => array('date', 'datestamp', 'datetime'),
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),
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);
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return $formatters;
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}
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/**
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* Implements hook_field_formatter_settings_form().
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*/
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function date_field_formatter_settings_form($field, $instance, $view_mode, $form, &$form_state) {
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$display = $instance['display'][$view_mode];
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$formatter = $display['type'];
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module_load_include('inc', 'date', 'date_admin');
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switch ($formatter) {
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case 'format_interval':
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$form = date_interval_formatter_settings_form($field, $instance, $view_mode, $form, $form_state);
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break;
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default:
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$form = date_default_formatter_settings_form($field, $instance, $view_mode, $form, $form_state);
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break;
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}
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$context = array(
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'field' => $field,
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'instance' => $instance,
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'view_mode' => $view_mode,
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);
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drupal_alter('date_field_formatter_settings_form', $form, $form_state, $context);
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return $form;
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}
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/**
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* Implements hook_field_formatter_settings_summary().
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*/
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function date_field_formatter_settings_summary($field, $instance, $view_mode) {
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$display = $instance['display'][$view_mode];
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$formatter = $display['type'];
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module_load_include('inc', 'date', 'date_admin');
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switch ($formatter) {
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case 'format_interval':
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$summary = date_interval_formatter_settings_summary($field, $instance, $view_mode);
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break;
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default:
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$summary = date_default_formatter_settings_summary($field, $instance, $view_mode);
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break;
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}
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$context = array(
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'field' => $field,
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'instance' => $instance,
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'view_mode' => $view_mode,
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);
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drupal_alter('date_field_formatter_settings_summary', $summary, $context);
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return implode('<br />', $summary);
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}
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/**
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* Implements hook_field_formatter_view().
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*
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* Useful values:
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*
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* $entity->date_id
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* If set, this will show only an individual date on a field with
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* multiple dates. The value should be a string that contains
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* the following values, separated with periods:
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* - module name of the module adding the item
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* - node nid
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* - field name
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* - delta value of the field to be displayed
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* - other information the module's custom theme might need
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*
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* Used by the calendar module and available for other uses.
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* example: 'date:217:field_date:3:test'
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*
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* $entity->date_repeat_show
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* If true, tells the theme to show all the computed values
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* of a repeating date. If not true or not set, only the
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* start date and the repeat rule will be displayed.
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*/
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function date_field_formatter_view($entity_type, $entity, $field, $instance, $langcode, $items, $display) {
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$element = array();
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$settings = $display['settings'];
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$formatter = $display['type'];
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$variables = array(
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'entity' => $entity,
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'entity_type' => $entity_type,
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'field' => $field,
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'instance' => $instance,
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'langcode' => $langcode,
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'items' => $items,
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'display' => $display,
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'dates' => array(),
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'attributes' => array(),
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'rdf_mapping' => array(),
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'add_rdf' => module_exists('rdf'),
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'microdata' => array(),
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'add_microdata' => module_exists('microdata'),
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);
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// If the microdata module is enabled, the microdata mapping will have been
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// passed in via the entity.
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if ($variables['add_microdata'] && isset($entity->microdata[$field['field_name']])) {
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$variables['microdata'] = $entity->microdata[$field['field_name']];
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}
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// If there is an RDf mapping for this date field, pass it down to the theme.
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$rdf_mapping = array();
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if (!empty($entity->rdf_mapping) && function_exists('rdf_rdfa_attributes')) {
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if (!empty($entity->rdf_mapping[$field['field_name']])) {
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$variables['rdf_mapping'] = $rdf_mapping = $entity->rdf_mapping[$field['field_name']];
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}
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}
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// Give other modules a chance to prepare the entity before formatting it.
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drupal_alter('date_formatter_pre_view', $entity, $variables);
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// See if we are only supposed to display a selected
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// item from multiple value date fields.
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$selected_deltas = array();
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if (!empty($entity->date_id)) {
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foreach ((array) $entity->date_id as $key => $id) {
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list($module, $nid, $field_name, $selected_delta, $other) = explode('.', $id . '.');
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if ($field_name == $field['field_name']) {
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$selected_deltas[] = $selected_delta;
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}
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}
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}
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switch ($display['type']) {
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case 'date_plain':
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foreach ($items as $delta => $item) {
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if (!empty($entity->date_id) && !in_array($delta, $selected_deltas)) {
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continue;
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}
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else {
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if (empty($item['value2']) || $item['value'] == $item['value2']) {
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$element[$delta] = array('#markup' => $item['value']);
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}
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else {
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$element[$delta] = array(
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'#markup' => t('!start-date to !end-date', array(
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'!start-date' => $item['value'],
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'!end-date' => $item['value2']
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)));
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}
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}
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}
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break;
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case 'format_interval':
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foreach ($items as $delta => $item) {
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if (!empty($entity->date_id) && !in_array($delta, $selected_deltas)) {
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continue;
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}
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else {
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$variables['delta'] = $delta;
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$variables['item'] = $item;
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$variables['dates'] = date_formatter_process($formatter, $entity_type, $entity, $field, $instance, $langcode, $item, $display);
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$variables['attributes'] = !empty($rdf_mapping) ? rdf_rdfa_attributes($rdf_mapping, $item['value']) : array();
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$element[$delta] = array('#markup' => theme('date_display_interval', $variables));
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}
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}
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break;
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default:
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foreach ($items as $delta => $item) {
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if (!empty($entity->date_id) && !in_array($delta, $selected_deltas)) {
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continue;
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}
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else {
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$variables['delta'] = $delta;
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$variables['item'] = $item;
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$variables['dates'] = date_formatter_process($formatter, $entity_type, $entity, $field, $instance, $langcode, $item, $display);
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$variables['attributes'] = !empty($rdf_mapping) ? rdf_rdfa_attributes($rdf_mapping, $item['value']) : array();
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$variables['show_remaining_days'] = $display['settings']['show_remaining_days'];
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$output = theme('date_display_combination', $variables);
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if (!empty($output)) {
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$element[$delta] = array('#markup' => $output);
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}
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}
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}
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break;
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}
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return $element;
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}
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221
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222
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/**
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223
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* Implements hook_field_is_empty().
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224
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*/
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225
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function date_field_is_empty($item, $field) {
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226
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// Sometimes a $item is a date object.
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227
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// Coming from repeating dates. Why??
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228
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if (!is_array($item)) {
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229
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return FALSE;
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230
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}
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231
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if (empty($item['value'])) {
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232
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return TRUE;
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233
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}
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234
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elseif ($field['settings']['todate'] == 'required' && empty($item['value2'])) {
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235
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return TRUE;
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236
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}
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237
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return FALSE;
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238
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}
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239
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240
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/**
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241
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* Implements hook_field_info().
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242
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*/
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243
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function date_field_info() {
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244
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$granularity = array('year', 'month', 'day', 'hour', 'minute');
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245
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$settings = array(
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246
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'settings' => array(
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247
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'todate' => '',
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248
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'granularity' => drupal_map_assoc($granularity),
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249
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'tz_handling' => 'site',
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250
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'timezone_db' => 'UTC',
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251
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),
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252
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'instance_settings' => array(
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253
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'default_value' => 'now',
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254
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'default_value_code' => '',
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255
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'default_value2' => 'same',
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256
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'default_value_code2' => '',
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257
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),
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258
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// Integrate with the Entity Metadata module.
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259
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'property_type' => 'date',
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260
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'property_callbacks' => array('date_entity_metadata_property_info_alter'),
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261
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);
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262
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return array(
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263
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'datetime' => array(
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264
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'label' => t('Date'),
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265
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'description' => t('Store a date in the database as a datetime field, recommended for complete dates and times that may need timezone conversion.'),
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266
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'default_widget' => 'date_select',
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267
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'default_formatter' => 'date_default',
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268
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'default_token_formatter' => 'date_plain',
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269
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) + $settings,
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270
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'date' => array(
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271
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'label' => t('Date (ISO format)'),
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272
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'description' => t('Store a date in the database as an ISO date, recommended for historical or partial dates.'),
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273
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'default_widget' => 'date_select',
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274
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'default_formatter' => 'date_default',
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275
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'default_token_formatter' => 'date_plain',
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276
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) + $settings,
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277
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'datestamp' => array(
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278
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'label' => t('Date (Unix timestamp)'),
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279
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'description' => t('Store a date in the database as a timestamp, deprecated format to support legacy data.'),
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280
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'default_widget' => 'date_select',
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281
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'default_formatter' => 'date_default',
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282
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'default_token_formatter' => 'date_plain',
|
|
283
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) + $settings,
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284
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);
|
|
285
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}
|
|
286
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|
|
287
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/**
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|
288
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* Implements hook_field_widget_info().
|
|
289
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*/
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|
290
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function date_field_widget_info() {
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|
291
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$settings = array(
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|
292
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'settings' => array(
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|
293
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'input_format' => date_default_format('date_select'),
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294
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'input_format_custom' => '',
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|
295
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'increment' => 15,
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296
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'text_parts' => array(),
|
|
297
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'year_range' => '-3:+3',
|
|
298
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'label_position' => 'above',
|
|
299
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),
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|
300
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'behaviors' => array(
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|
301
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'multiple values' => FIELD_BEHAVIOR_DEFAULT,
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302
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'default value' => FIELD_BEHAVIOR_NONE,
|
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303
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),
|
|
304
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);
|
|
305
|
|
|
306
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$info = array(
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|
307
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'date_select' => array(
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|
308
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'label' => t('Select list'),
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|
309
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'field types' => array('date', 'datestamp', 'datetime'),
|
|
310
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) + $settings,
|
|
311
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'date_text' => array(
|
|
312
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'label' => t('Text field'),
|
|
313
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'field types' => array('date', 'datestamp', 'datetime'),
|
|
314
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) + $settings,
|
|
315
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);
|
|
316
|
|
|
317
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if (module_exists('date_popup')) {
|
|
318
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$info['date_popup'] = array(
|
|
319
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'label' => t('Pop-up calendar'),
|
|
320
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'field types' => array('date', 'datestamp', 'datetime'),
|
|
321
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) + $settings;
|
|
322
|
}
|
|
323
|
|
|
324
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// The date text widget should use an increment of 1.
|
|
325
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$info['date_text']['increment'] = 1;
|
|
326
|
|
|
327
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return $info;
|
|
328
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}
|
|
329
|
|
|
330
|
/**
|
|
331
|
* Implements hook_field_load().
|
|
332
|
*/
|
|
333
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function date_field_load($entity_type, $entities, $field, $instances, $langcode, &$items, $age) {
|
|
334
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$timezone_db = date_get_timezone_db($field['settings']['tz_handling']);
|
|
335
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$db_format = date_type_format($field['type']);
|
|
336
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$process = date_process_values($field);
|
|
337
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foreach ($entities as $id => $entity) {
|
|
338
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foreach ($items[$id] as $delta => &$item) {
|
|
339
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// If the file does not exist, mark the entire item as empty.
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|
340
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if (is_array($item)) {
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341
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$timezone = isset($item['timezone']) ? $item['timezone'] : '';
|
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342
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$item['timezone'] = date_get_timezone($field['settings']['tz_handling'], $timezone);
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343
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$item['timezone_db'] = $timezone_db;
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344
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$item['date_type'] = $field['type'];
|
|
345
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if (!empty($field['settings']['cache_enabled']) && ($delta < $field['settings']['cache_count'] || $field['settings']['cache_count'] == 0)) {
|
|
346
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foreach ($process as $processed) {
|
|
347
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if (!empty($item[$processed])) {
|
|
348
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$date = new DateObject($item[$processed], $item['timezone_db'], $db_format);
|
|
349
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$date->limitGranularity($field['settings']['granularity']);
|
|
350
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$item['db'][$processed] = $date;
|
|
351
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}
|
|
352
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}
|
|
353
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if (!empty($item['db']['value']) && empty($item['db']['value2'])) {
|
|
354
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$item['db']['value2'] = $item['db']['value'];
|
|
355
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}
|
|
356
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}
|
|
357
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}
|
|
358
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}
|
|
359
|
}
|
|
360
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}
|
|
361
|
|
|
362
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/**
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|
363
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* Implements hook_field_validate().
|
|
364
|
*/
|
|
365
|
function date_field_validate($entity_type, $entity, $field, $instance, $langcode, $items, &$errors) {
|
|
366
|
$field_name = $field['field_name'];
|
|
367
|
$flexible = 0;
|
|
368
|
|
|
369
|
// Don't try to validate if there were any errors before this point
|
|
370
|
// since the element won't have been munged back into a date.
|
|
371
|
if (!form_get_errors()) {
|
|
372
|
foreach ($items as $delta => $item) {
|
|
373
|
if (is_array($item) && isset($item['value'])) {
|
|
374
|
$process = date_process_values($field, $instance);
|
|
375
|
$date1 = new DateObject($item['value'], $item['timezone'], date_type_format($field['type']));
|
|
376
|
if (count($process) == 1 || (empty($item['value2']) && $item['value2'] !== 0)) {
|
|
377
|
$date2 = clone($date1);
|
|
378
|
}
|
|
379
|
else {
|
|
380
|
$date2 = new DateObject($item['value2'], $item['timezone'], date_type_format($field['type']));
|
|
381
|
}
|
|
382
|
$valid1 = $date1->validGranularity($field['settings']['granularity'], $flexible);
|
|
383
|
$valid2 = $date2->validGranularity($field['settings']['granularity'], $flexible);
|
|
384
|
|
|
385
|
foreach ($process as $processed) {
|
|
386
|
if ($processed == 'value' && $field['settings']['todate'] && !$valid1 && $valid2) {
|
|
387
|
$errors[$field['field_name']][$langcode][$delta][] = array(
|
|
388
|
'error' => 'value',
|
|
389
|
'message' => t("A 'Start date' date is required for field %field #%delta.", array('%delta' => $field['cardinality'] ? intval($delta + 1) : '', '%field' => $instance['label'])),
|
|
390
|
);
|
|
391
|
}
|
|
392
|
if ($processed == 'value2' && $field['settings']['todate'] == 'required' && ($instance['required'] && $valid1 && !$valid2)) {
|
|
393
|
$errors[$field['field_name']][$langcode][$delta][] = array(
|
|
394
|
'error' => 'value2',
|
|
395
|
'message' => t("An 'End date' is required for field %field #%delta.", array('%delta' => $field['cardinality'] ? intval($delta + 1) : '', '%field' => $instance['label'])),
|
|
396
|
);
|
|
397
|
}
|
|
398
|
}
|
|
399
|
}
|
|
400
|
}
|
|
401
|
}
|
|
402
|
}
|
|
403
|
|
|
404
|
/**
|
|
405
|
* Implements hook_field_insert().
|
|
406
|
*/
|
|
407
|
function date_field_presave($entity_type, $entity, $field, $instance, $langcode, &$items) {
|
|
408
|
$field_name = $field['field_name'];
|
|
409
|
|
|
410
|
if (empty($items)) {
|
|
411
|
return;
|
|
412
|
}
|
|
413
|
// Add some information needed to interpret token values.
|
|
414
|
$values = $items;
|
|
415
|
foreach ($values as $delta => $item) {
|
|
416
|
$timezone = isset($item['timezone']) ? $item['timezone'] : '';
|
|
417
|
if (is_array($item)) {
|
|
418
|
$items[$delta]['timezone'] = date_get_timezone($field['settings']['tz_handling'], $timezone);
|
|
419
|
$items[$delta]['timezone_db'] = date_get_timezone_db($field['settings']['tz_handling']);
|
|
420
|
$items[$delta]['date_type'] = $field['type'];
|
|
421
|
}
|
|
422
|
}
|
|
423
|
$entity->{$field['field_name']}[$langcode] = $items;
|
|
424
|
}
|
|
425
|
|
|
426
|
/**
|
|
427
|
* Implements hook_field_insert().
|
|
428
|
*/
|
|
429
|
function date_field_insert($entity_type, $entity, $field, $instance, $langcode, &$items) {
|
|
430
|
$context = array(
|
|
431
|
'entity_type' => $entity_type,
|
|
432
|
'entity' => $entity,
|
|
433
|
'field' => $field,
|
|
434
|
'instance' => $instance,
|
|
435
|
'langcode' => $langcode,
|
|
436
|
);
|
|
437
|
drupal_alter('date_field_insert', $items, $context);
|
|
438
|
}
|
|
439
|
|
|
440
|
/**
|
|
441
|
* Implements hook_field_update().
|
|
442
|
*/
|
|
443
|
function date_field_update($entity_type, $entity, $field, $instance, $langcode, &$items) {
|
|
444
|
$context = array(
|
|
445
|
'entity_type' => $entity_type,
|
|
446
|
'entity' => $entity,
|
|
447
|
'field' => $field,
|
|
448
|
'instance' => $instance,
|
|
449
|
'langcode' => $langcode,
|
|
450
|
);
|
|
451
|
drupal_alter('date_field_update', $items, $context);
|
|
452
|
}
|
|
453
|
|
|
454
|
/**
|
|
455
|
* Implements hook_field_instance_settings_form().
|
|
456
|
*
|
|
457
|
* Wrapper functions for date administration, included only when processing
|
|
458
|
* field settings.
|
|
459
|
*/
|
|
460
|
function date_field_instance_settings_form($field, $instance) {
|
|
461
|
module_load_include('inc', 'date', 'date_admin');
|
|
462
|
return _date_field_instance_settings_form($field, $instance);
|
|
463
|
}
|
|
464
|
|
|
465
|
/**
|
|
466
|
* Implements hook_field_widget_settings_form().
|
|
467
|
*/
|
|
468
|
function date_field_widget_settings_form($field, $instance) {
|
|
469
|
module_load_include('inc', 'date', 'date_admin');
|
|
470
|
return _date_field_widget_settings_form($field, $instance);
|
|
471
|
}
|
|
472
|
|
|
473
|
/**
|
|
474
|
* Implements hook_field_settings_form().
|
|
475
|
*/
|
|
476
|
function date_field_settings_form($field, $instance, $has_data) {
|
|
477
|
module_load_include('inc', 'date', 'date_admin');
|
|
478
|
return _date_field_settings_form($field, $instance, $has_data);
|
|
479
|
}
|
|
480
|
|
|
481
|
/**
|
|
482
|
* Implements hook_content_migrate_field_alter().
|
|
483
|
*
|
|
484
|
* Use this to tweak the conversion of field settings from the D6 style to the
|
|
485
|
* D7 style for specific situations not handled by basic conversion, as when
|
|
486
|
* field types or settings are changed.
|
|
487
|
*
|
|
488
|
* $field_value['widget_type'] is available to see what widget type was
|
|
489
|
* originally used.
|
|
490
|
*/
|
|
491
|
function date_content_migrate_field_alter(&$field_value, $instance_value) {
|
|
492
|
switch ($field_value['module']) {
|
|
493
|
case 'date':
|
|
494
|
// Those settings do not exist anymore, or have been moved to the instance
|
|
495
|
// level.
|
|
496
|
unset($field_value['settings']['default_format']);
|
|
497
|
unset($field_value['settings']['repeat_collapsed']);
|
|
498
|
break;
|
|
499
|
}
|
|
500
|
}
|
|
501
|
|
|
502
|
/**
|
|
503
|
* Implements hook_content_migrate_instance_alter().
|
|
504
|
*
|
|
505
|
* Use this to tweak the conversion of instance or widget settings from the D6
|
|
506
|
* style to the D7 style for specific situations not handled by basic
|
|
507
|
* conversion, as when formatter or widget names or settings are changed.
|
|
508
|
*/
|
|
509
|
function date_content_migrate_instance_alter(&$instance_value, $field_value) {
|
|
510
|
switch ($instance_value['widget']['module']) {
|
|
511
|
case 'date':
|
|
512
|
|
|
513
|
// Some settings have been moved from field to instance.
|
|
514
|
$instance_value['widget']['settings']['repeat_collapsed'] = $field_value['settings']['repeat_collapsed'];
|
|
515
|
|
|
516
|
// Some settings were moved from widget settings to instance settings.
|
|
517
|
$instance_value['settings']['default_value'] = $instance_value['default_value'];
|
|
518
|
unset($instance_value['default_value']);
|
|
519
|
$instance_value['settings']['default_value_code'] = $instance_value['widget']['settings']['default_value_code'];
|
|
520
|
unset($instance_value['widget']['settings']['default_value_code']);
|
|
521
|
$instance_value['settings']['default_value2'] = $instance_value['widget']['settings']['default_value2'];
|
|
522
|
unset($instance_value['widget']['settings']['default_value2']);
|
|
523
|
$instance_value['settings']['default_value_code2'] = $instance_value['widget']['settings']['default_value_code2'];
|
|
524
|
unset($instance_value['widget']['settings']['default_value_code2']);
|
|
525
|
|
|
526
|
// We need to retrieve formatter settings from the variables and store
|
|
527
|
// them in the instance.
|
|
528
|
foreach ($instance_value['display'] as $context => &$display) {
|
|
529
|
if ($display['type'] != 'format_interval') {
|
|
530
|
$old_settings = date_old_formatter_get_settings($instance_value['field_name'], $instance_value['bundle'], $context);
|
|
531
|
$display['settings'] = array_merge($display['settings'], $old_settings);
|
|
532
|
// If the formatter was the 'default', then use the old
|
|
533
|
// 'default_format' field property.
|
|
534
|
$format = ($display['type'] == 'default') ? $field_value['settings']['default_format'] : $display['type'];
|
|
535
|
$display['settings']['format_type'] = $format;
|
|
536
|
$display['type'] = 'date_default';
|
|
537
|
}
|
|
538
|
}
|
|
539
|
|
|
540
|
break;
|
|
541
|
}
|
|
542
|
}
|
|
543
|
|
|
544
|
/**
|
|
545
|
* Constructs an array of old formatter settings.
|
|
546
|
*/
|
|
547
|
function date_old_formatter_get_settings($field_name, $type_name, $context) {
|
|
548
|
$options = array();
|
|
549
|
$value = 'date:' . $type_name . ':' . $context . ':' . $field_name;
|
|
550
|
$options['show_repeat_rule'] = variable_get($value . '_show_repeat_rule', 'show');
|
|
551
|
$options['multiple_number'] = variable_get($value . '_multiple_number', '');
|
|
552
|
$options['multiple_from'] = variable_get($value . '_multiple_from', '');
|
|
553
|
$options['multiple_to'] = variable_get($value . '_multiple_to', '');
|
|
554
|
$options['fromto'] = variable_get($value . '_fromto', 'both');
|
|
555
|
return $options;
|
|
556
|
}
|
