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- <?php
- /**
- * @file
- * Definition of views_handler_filter_date.
- */
- /**
- * Filter to handle dates stored as a timestamp.
- *
- * @ingroup views_filter_handlers
- */
- class views_handler_filter_date extends views_handler_filter_numeric {
- /**
- * {@inheritdoc}
- */
- public function option_definition() {
- $options = parent::option_definition();
- // Value is already set up properly, we're just adding our new field to it.
- $options['value']['contains']['type']['default'] = 'date';
- return $options;
- }
- /**
- * Add a type selector to the value form.
- */
- public function value_form(&$form, &$form_state) {
- if (empty($form_state['exposed'])) {
- $form['value']['type'] = array(
- '#type' => 'radios',
- '#title' => t('Value type'),
- '#options' => array(
- 'date' => t('A date in any machine readable format. CCYY-MM-DD HH:MM:SS is preferred.'),
- 'offset' => t('An offset from the current time such as "!example1" or "!example2"', array('!example1' => '+1 day', '!example2' => '-2 hours -30 minutes')),
- ),
- '#default_value' => !empty($this->value['type']) ? $this->value['type'] : 'date',
- );
- }
- parent::value_form($form, $form_state);
- }
- /**
- * {@inheritdoc}
- */
- public function options_validate(&$form, &$form_state) {
- parent::options_validate($form, $form_state);
- if (!empty($this->options['exposed']) && empty($form_state['values']['options']['expose']['required'])) {
- // Who cares what the value is if it's exposed and non-required.
- return;
- }
- $this->validate_valid_time($form['value'], $form_state['values']['options']['operator'], $form_state['values']['options']['value']);
- }
- /**
- * {@inheritdoc}
- */
- public function exposed_validate(&$form, &$form_state) {
- if (empty($this->options['exposed'])) {
- return;
- }
- if (empty($this->options['expose']['required'])) {
- // Who cares what the value is if it's exposed and non-required.
- return;
- }
- $value = &$form_state['values'][$this->options['expose']['identifier']];
- if (!empty($this->options['expose']['use_operator']) && !empty($this->options['expose']['operator_id'])) {
- $operator = $form_state['values'][$this->options['expose']['operator_id']];
- }
- else {
- $operator = $this->operator;
- }
- $this->validate_valid_time($this->options['expose']['identifier'], $operator, $value);
- }
- /**
- * Validate that the time values convert to something usable.
- */
- public function validate_valid_time(&$form, $operator, $value) {
- $operators = $this->operators();
- if ($operators[$operator]['values'] == 1) {
- $convert = strtotime($value['value']);
- if (!empty($form['value']) && ($convert == -1 || $convert === FALSE)) {
- form_error($form['value'], t('Invalid date format.'));
- }
- }
- elseif ($operators[$operator]['values'] == 2) {
- $min = strtotime($value['min']);
- if ($min == -1 || $min === FALSE) {
- form_error($form['min'], t('Invalid date format.'));
- }
- $max = strtotime($value['max']);
- if ($max == -1 || $max === FALSE) {
- form_error($form['max'], t('Invalid date format.'));
- }
- }
- }
- /**
- * Validate the build group options form.
- */
- public function build_group_validate($form, &$form_state) {
- // Special case to validate grouped date filters, this is because the
- // $group['value'] array contains the type of filter (date or offset)
- // and therefore the number of items the comparission has to be done
- // against 'one' instead of 'zero'.
- foreach ($form_state['values']['options']['group_info']['group_items'] as $id => $group) {
- if (empty($group['remove'])) {
- // Check if the title is defined but value wasn't defined.
- if (!empty($group['title'])) {
- if ((!is_array($group['value']) && empty($group['value'])) || (is_array($group['value']) && count(array_filter($group['value'])) == 1)) {
- form_error($form['group_info']['group_items'][$id]['value'], t('The value is required if title for this item is defined.'));
- }
- }
- // Check if the value is defined but title wasn't defined.
- if ((!is_array($group['value']) && !empty($group['value'])) || (is_array($group['value']) && count(array_filter($group['value'])) > 1)) {
- if (empty($group['title'])) {
- form_error($form['group_info']['group_items'][$id]['title'], t('The title is required if value for this item is defined.'));
- }
- }
- }
- }
- }
- /**
- * {@inheritdoc}
- */
- public function accept_exposed_input($input) {
- if (empty($this->options['exposed'])) {
- return TRUE;
- }
- // Store this because it will get overwritten.
- $type = $this->value['type'];
- $rc = parent::accept_exposed_input($input);
- // Don't filter if value(s) are empty.
- $operators = $this->operators();
- if (!empty($this->options['expose']['use_operator']) && !empty($this->options['expose']['operator_id'])) {
- $operator = $input[$this->options['expose']['operator_id']];
- }
- else {
- $operator = $this->operator;
- }
- if ($operators[$operator]['values'] == 1) {
- if ($this->value['value'] == '') {
- return FALSE;
- }
- }
- else {
- if ($this->value['min'] == '' || $this->value['max'] == '') {
- return FALSE;
- }
- }
- // Restore what got overwritten by the parent.
- $this->value['type'] = $type;
- return $rc;
- }
- /**
- *
- */
- public function op_between($field) {
- // Use the substitutions to ensure a consistent timestamp.
- $query_substitutions = views_views_query_substitutions($this->view);
- $a = intval(strtotime($this->value['min'], $query_substitutions['***CURRENT_TIME***']));
- $b = intval(strtotime($this->value['max'], $query_substitutions['***CURRENT_TIME***']));
- // This is safe because we are manually scrubbing the values. It is
- // necessary to do it this way because $a and $b are formulas when using an
- // offset.
- $operator = strtoupper($this->operator);
- $this->query->add_where_expression($this->options['group'], "$field $operator $a AND $b");
- }
- /**
- *
- */
- public function op_simple($field) {
- // Use the substitutions to ensure a consistent timestamp.
- $query_substitutions = views_views_query_substitutions($this->view);
- $value = intval(strtotime($this->value['value'], $query_substitutions['***CURRENT_TIME***']));
- // This is safe because we are manually scrubbing the value. It is
- // necessary to do it this way because $value is a formula when using an
- // offset.
- $this->query->add_where_expression($this->options['group'], "$field $this->operator $value");
- }
- }
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