Default options form that provides the label widget that all fields should have.
Overrides FieldPluginBase::buildOptionsForm
public function buildOptionsForm(&$form, &$form_state) {
$date_formats = array();
$date_types = system_get_date_formats();
foreach ($date_types as $machine_name => $value) {
$date_formats[$machine_name] = t('@name format: @date', array(
'@name' => $value['name'],
'@date' => format_date(REQUEST_TIME, $machine_name),
));
}
$form['date_format'] = array(
'#type' => 'select',
'#title' => t('Date format'),
'#options' => $date_formats + array(
'custom' => t('Custom'),
'raw time ago' => t('Time ago'),
'time ago' => t('Time ago (with "ago" appended)'),
'raw time hence' => t('Time hence'),
'time hence' => t('Time hence (with "hence" appended)'),
'raw time span' => t('Time span (future dates have "-" prepended)'),
'inverse time span' => t('Time span (past dates have "-" prepended)'),
'time span' => t('Time span (with "ago/hence" appended)'),
),
'#default_value' => isset($this->options['date_format']) ? $this->options['date_format'] : 'small',
);
$form['custom_date_format'] = array(
'#type' => 'textfield',
'#title' => t('Custom date format'),
'#description' => t('If "Custom", see <a href="http://us.php.net/manual/en/function.date.php" target="_blank">the PHP docs</a> for date formats. Otherwise, enter the number of different time units to display, which defaults to 2.'),
'#default_value' => isset($this->options['custom_date_format']) ? $this->options['custom_date_format'] : '',
);
// Setup #states for all possible date_formats on the custom_date_format form element.
foreach (array(
'custom',
'raw time ago',
'time ago',
'raw time hence',
'time hence',
'raw time span',
'time span',
'raw time span',
'inverse time span',
'time span',
) as $custom_date_possible) {
$form['custom_date_format']['#states']['visible'][] = array(
':input[name="options[date_format]"]' => array(
'value' => $custom_date_possible,
),
);
}
$form['timezone'] = array(
'#type' => 'select',
'#title' => t('Timezone'),
'#description' => t('Timezone to be used for date output.'),
'#options' => array(
'' => t('- Default site/user timezone -'),
) + system_time_zones(FALSE),
'#default_value' => $this->options['timezone'],
);
foreach (array_merge(array(
'custom',
), array_keys($date_formats)) as $timezone_date_formats) {
$form['timezone']['#states']['visible'][] = array(
':input[name="options[date_format]"]' => array(
'value' => $timezone_date_formats,
),
);
}
parent::buildOptionsForm($form, $form_state);
}