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<?php
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/**
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* Expose term views/term forms by vocabulary as a context condition.
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*/
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class date_context_date_condition extends context_condition_node {
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function condition_values() {
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$values = array();
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$fields = field_info_fields();
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foreach ($fields as $field_name => $field) {
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if (in_array($field['type'], array('date', 'datetime', 'datestamp'))) {
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$values[$field_name] = $field_name;
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}
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}
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return $values;
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}
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function options_form($context) {
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$defaults = $this->fetch_from_context($context, 'options');
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$options = array(
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'<' => t('Is less than'),
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'<=' => t('Is less than or equal to'),
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'>=' => t('Is greater than or equal to'),
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'>' => t('Is greater than'),
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'=' => t('Is equal to'),
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'!=' => t('Is not equal to'),
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'empty' => t('Is empty'),
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'not empty' => t('Is not Empty'),
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);
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$form['operation'] = array(
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'#title' => t('Operation'),
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'#type' => 'select',
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'#options' => $options,
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'#description' => t('The comparison to perform to determine if the date field meets the condition. For multiple value date fields, all values will be checked to see if any meet the condition.'),
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'#default_value' => isset($defaults['operation']) ? $defaults['operation'] : '',
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'#required' => TRUE,
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);
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$form['value'] = array(
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'#title' => t('Value'),
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'#type' => 'textfield',
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'#description' => t("The value the field should contain to meet the condition. This can either be an absolute date in ISO format (YYYY-MM-DDTHH:MM:SS) or a relative string like '12AM today'. Examples: 2011-12-31T00:00:00, now, now +1 day, 12AM today, Monday next week. <a href=\"@relative_format\">More examples of relative date formats in the PHP documentation</a>.", array('@relative_format' => 'http://www.php.net/manual/en/datetime.formats.relative.php')),
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'#default_value' => isset($defaults['value']) ? $defaults['value'] : '',
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'#process' => array('ctools_dependent_process'),
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'#dependency' => array('edit-conditions-plugins-date-context-date-condition-options-operation' => array('<', '<=', '>', '>=', '=', '!=')),
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);
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return $form;
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}
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function execute($entity, $op) {
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if (in_array($op, array('view', 'form'))) {
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foreach ($this->get_contexts() as $context) {
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$options = $this->fetch_from_context($context, 'options');
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$fields = $this->fetch_from_context($context, 'values');
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foreach ($fields as $field_name => $label) {
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// If this field does not exist on this entity, just move along.
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if (empty($entity->{$field_name})) {
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continue;
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}
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$items = field_get_items('node', $entity, $field_name);
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// If there are no values, nothing to do unless we were looking for 'empty' or '!='.
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if (empty($items)) {
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if ($options['operation'] == '!=' || $options['operation'] == 'empty') {
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$this->condition_met($context, $field_name);
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}
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}
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// We don't have to construct the date values if we're just testing for 'not empty'.
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elseif ($options['operation'] == 'not empty') {
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$this->condition_met($context, $field_name);
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}
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// All other operations need to retrieve the date values for comparision.
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else {
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$field = field_info_field($field_name);
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$timezone_db = date_get_timezone_db($field['settings']['tz_handling']);
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foreach ($items as $delta => $item) {
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$timezone = date_get_timezone($field['settings']['tz_handling'], $item['timezone']);
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$date = new DateObject($item['value'], $timezone_db);
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date_timezone_set($date, timezone_open($timezone));
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$date1 = $date->format(DATE_FORMAT_DATETIME);
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if (empty($item['value2'])) {
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$item['value2'] = $item['value'];
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}
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$date = new DateObject($item['value2'], $timezone_db);
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date_timezone_set($date, timezone_open($timezone));
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$date2 = $date->format(DATE_FORMAT_DATETIME);
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str_replace('now', 'today', $options['value']);
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$date = date_create($options['value'], date_default_timezone_object());
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$compdate = $date->format(DATE_FORMAT_DATETIME);
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switch($options['operation']) {
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case '=':
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if ($date2 >= $compdate && $date1 <= $compdate) {
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$this->condition_met($context, $field_name);
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}
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break;
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case '>':
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if ($date1 > $compdate) {
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$this->condition_met($context, $field_name);
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}
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break;
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case '>=':
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if ($date1 >= $compdate) {
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$this->condition_met($context, $field_name);
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}
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break;
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case '<':
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if ($date2 < $compdate) {
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$this->condition_met($context, $field_name);
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}
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break;
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case '<=':
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if ($date2 <= $compdate) {
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$this->condition_met($context, $field_name);
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}
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break;
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case '!=':
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if ($date1 < $compdate || $date2 > $compdate) {
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$this->condition_met($context, $field_name);
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}
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break;
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}
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}
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}
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}
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}
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}
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}
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}
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