array('default' => 'default'),
'date_popup_format' => array('default' => 'm/d/Y'),
'year_range' => array('default' => '-3:+3'),
);
}
/**
* If the date popup module is enabled, provide the extra option setting.
*/
public function has_extra_options() {
if (module_exists('date_popup')) {
return TRUE;
}
return FALSE;
}
/**
* Add extra options if we allow the date popup widget.
*/
public function extra_options_form(&$form, &$form_state) {
parent::extra_options_form($form, $form_state);
if (module_exists('date_popup')) {
$widget_options = array(
'default' => 'Default',
'date_popup' => 'Date popup',
);
$form['widget_type'] = array(
'#type' => 'radios',
'#title' => t('Date selection form element'),
'#default_value' => $this->options['widget_type'],
'#options' => $widget_options,
);
$form['date_popup_format'] = array(
'#type' => 'textfield',
'#title' => t('Date format'),
'#default_value' => $this->options['date_popup_format'],
'#description' => t('A date in any format understood by PHP. For example, "Y-m-d" or "m/d/Y".', array(
'@doc-link' => 'http://php.net/manual/en/function.date.php'
)),
'#states' => array(
'visible' => array(
':input[name="options[widget_type]"]' => array('value' => 'date_popup'),
),
),
);
}
if (module_exists('date_api')) {
$form['year_range'] = array(
'#type' => 'date_year_range',
'#default_value' => $this->options['year_range'],
);
}
}
/**
* Validate extra options.
*/
public function extra_options_validate($form, &$form_state) {
if (isset($form_state['values']['options']['year_range'])) {
if (!preg_match('/^(?:\-[0-9]{1,4}|[0-9]{4}):(?:[\+|\-][0-9]{1,4}|[0-9]{4})$/', $form_state['values']['options']['year_range'])) {
form_error($form['year_range'], t('Date year range must be in the format -9:+9, 2005:2010, -9:2010, or 2005:+9'));
}
}
}
/**
* Provide a form for setting the filter value.
*/
public function value_form(&$form, &$form_state) {
parent::value_form($form, $form_state);
$is_date_popup = ($this->options['widget_type'] == 'date_popup' && module_exists('date_popup'));
// If the operator is between
if ($this->operator == 'between') {
if ($is_date_popup) {
$form['value']['min']['#type'] = 'date_popup';
$form['value']['min']['#date_format'] = $this->options['date_popup_format'];
$form['value']['min']['#date_year_range'] = $this->options['year_range'];
$form['value']['max']['#type'] = 'date_popup';
$form['value']['max']['#date_format'] = $this->options['date_popup_format'];
$form['value']['max']['#date_year_range'] = $this->options['year_range'];
}
}
// If we are using the date popup widget, overwrite the settings of the form
// according to what date_popup expects.
elseif ($is_date_popup) {
$form['value']['#type'] = 'date_popup';
$form['value']['#date_format'] = $this->options['date_popup_format'];
$form['value']['#date_year_range'] = $this->options['year_range'];
unset($form['value']['#description']);
}
elseif (empty($form_state['exposed'])) {
$form['value']['#description'] = t('A date in any format understood by PHP. For example, "@date1" or "@date2".', array(
'@doc-link' => 'http://php.net/manual/en/function.strtotime.php',
'@date1' => format_date(REQUEST_TIME, 'custom', 'Y-m-d H:i:s'),
'@date2' => 'now + 1 day',
));
}
}
/**
* Add this filter to the query.
*/
public function query() {
$this->normalizeValue();
if ($this->operator === 'empty') {
$this->query->condition($this->real_field, NULL, '=', $this->options['group']);
}
elseif ($this->operator === 'not empty') {
$this->query->condition($this->real_field, NULL, '<>', $this->options['group']);
}
elseif (in_array($this->operator, array('between', 'not between'), TRUE)) {
$min = $this->value['min'];
if ($min !== '') {
$min = is_numeric($min) ? $min : strtotime($min, REQUEST_TIME);
}
$max = $this->value['max'];
if ($max !== '') {
$max = is_numeric($max) ? $max : strtotime($max, REQUEST_TIME);
}
if (is_numeric($min) && is_numeric($max)) {
$this->query->condition($this->real_field, array($min, $max), strtoupper($this->operator), $this->options['group']);
}
elseif (is_numeric($min)) {
$operator = $this->operator === 'between' ? '>=' : '<';
$this->query->condition($this->real_field, $min, $operator, $this->options['group']);
}
elseif (is_numeric($max)) {
$operator = $this->operator === 'between' ? '<=' : '>';
$this->query->condition($this->real_field, $min, $operator, $this->options['group']);
}
}
else {
$v = is_numeric($this->value['value']) ? $this->value['value'] : strtotime($this->value['value'], REQUEST_TIME);
if ($v !== FALSE) {
$this->query->condition($this->real_field, $v, $this->operator, $this->options['group']);
}
}
}
}