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<?php
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/**
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* @file
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* Provide diff field functions for the Date module.
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*/
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7
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/**
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* Diff field callback for parsing date fields comparative values.
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10
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*/
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function date_field_diff_view($items, $context) {
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$diff_items = array();
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$display = $context['display'];
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$display['settings']['format_type'] = $context['settings']['format_type'];
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$display['settings']['fromto'] = $context['settings']['fromto'];
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foreach ($items as $delta => $item) {
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$date = date_formatter_process('date_default', $context['entity_type'], $context['entity'], $context['field'], $context['instance'], $context['language'], $item, $display);
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switch ($display['settings']['fromto']) {
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case 'both':
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if ($date['value']['formatted'] != $date['value2']['formatted']) {
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$diff_items[$delta] = t('@from to @to', array(
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'@from' => $date['value']['formatted'],
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'@to' => $date['value2']['formatted'],
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));
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}
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else {
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$diff_items[$delta] = $date['value']['formatted'];
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}
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break;
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case 'value':
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case 'value2':
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$diff_items[$delta] = $date[$display['settings']['fromto']]['formatted'];
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break;
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35
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}
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}
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return $diff_items;
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}
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40
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/**
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* Provide default field comparison options.
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*/
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function date_field_diff_default_options($field_type) {
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return array(
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'format_type' => 'long',
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'fromto' => 'both',
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);
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}
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50
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/**
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* Provide a form for setting the field comparison options.
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*/
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function date_field_diff_options_form($field_type, $settings) {
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$options_form = array();
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56
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$form['format_type'] = array(
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'#title' => t('Choose how render dates and times'),
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'#type' => 'select',
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'#options' => date_format_type_options(),
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'#default_value' => $settings['format_type'],
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'#description' => t('To add or edit options, visit <a href="@date-time-page">Date and time settings</a>.', array('@date-time-page' => url('admin/config/regional/date-time'))),
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'#weight' => 0,
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);
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$form['fromto'] = array(
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'#title' => t('Display'),
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'#type' => 'select',
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'#options' => array(
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'both' => t('Both Start and End dates'),
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'value' => t('Start date only'),
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'value2' => t('End date only'),
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),
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'#default_value' => $settings['fromto'],
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'#weight' => 1,
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);
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return $options_form;
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}
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