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<?php
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// $Id: views_handler_field_date.inc,v 1.2 2009/02/21 23:36:42 merlinofchaos Exp $
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/**
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* A handler to provide proper displays for dates.
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*
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* @ingroup views_field_handlers
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*/
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class views_handler_field_date extends views_handler_field {
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function option_definition() {
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$options = parent::option_definition();
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$options['date_format'] = array('default' => 'small');
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$options['custom_date_format'] = array('default' => '');
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return $options;
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}
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function options_form(&$form, &$form_state) {
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parent::options_form($form, $form_state);
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$time = time();
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$form['date_format'] = array(
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'#type' => 'select',
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'#title' => t('Date format'),
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'#options' => array(
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'small' => format_date($time, 'small'),
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'medium' => format_date($time, 'medium'),
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'large' => format_date($time, 'large'),
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'custom' => t('Custom'),
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'raw time ago' => t('Time ago'),
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'time ago' => t('Time ago (with "ago" appended)'),
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'raw time span' => t('Time span (future dates start with - )'),
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'time span' => t('Time span (with "ago/hence" appended)'),
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),
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'#default_value' => isset($this->options['date_format']) ? $this->options['date_format'] : 'small',
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);
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$form['custom_date_format'] = array(
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'#type' => 'textfield',
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'#title' => t('Custom date format'),
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'#description' => t('If "Custom", see <a href="http://us.php.net/manual/en/function.date.php" target="_blank">the PHP docs</a> for date formats. If "Time ago" this is the the number of different units to display, which defaults to two.'),
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'#default_value' => isset($this->options['custom_date_format']) ? $this->options['custom_date_format'] : '',
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'#process' => array('views_process_dependency'),
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'#dependency' => array('edit-options-date-format' => array('custom', 'raw time ago', 'time ago', 'raw time span', 'time span')),
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);
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}
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function render($values) {
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$value = $values->{$this->field_alias};
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$format = $this->options['date_format'];
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if (in_array($format, array('custom', 'raw time ago', 'time ago', 'raw time span', 'time span'))) {
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$custom_format = $this->options['custom_date_format'];
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}
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if (!$value) {
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return theme('views_nodate');
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}
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else {
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$time_diff = time() - $value; // will be positive for a datetime in the past (ago), and negative for a datetime in the future (hence)
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switch ($format) {
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case 'raw time ago':
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return format_interval($time_diff, is_numeric($custom_format) ? $custom_format : 2);
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case 'time ago':
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return t('%time ago', array('%time' => format_interval($time_diff, is_numeric($custom_format) ? $custom_format : 2)));
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case 'raw time span':
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return ($time_diff < 0 ? '-' : '') . format_interval(abs($time_diff), is_numeric($custom_format) ? $custom_format : 2);
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case 'time span':
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return t(($time_diff < 0 ? '%time hence' : '%time ago'), array('%time' => format_interval(abs($time_diff), is_numeric($custom_format) ? $custom_format : 2)));
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case 'custom':
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return format_date($value, $format, $custom_format);
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default:
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return format_date($value, $format);
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}
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}
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}
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}
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