first import

sites/all/modules/date/date_context/plugins/date_context_date_condition.inc

@@ -0,0 +1,132 @@
+<?php
+
+/**
+ * Expose term views/term forms by vocabulary as a context condition.
+ */
+class date_context_date_condition extends context_condition_node {
+  function condition_values() {
+    $values = array();
+    $fields = field_info_fields();
+    foreach ($fields as $field_name => $field) {
+      if (in_array($field['type'], array('date', 'datetime', 'datestamp'))) {
+        $values[$field_name] = $field_name;
+      }
+    }
+    return $values;
+  }
+
+  function options_form($context) {
+    $defaults = $this->fetch_from_context($context, 'options');
+    $options = array(
+      '<' =>  t('Is less than'),
+      '<=' => t('Is less than or equal to'),
+      '>=' => t('Is greater than or equal to'),
+      '>' => t('Is greater than'),
+      '=' => t('Is equal to'),
+      '!=' => t('Is not equal to'),
+      'empty' => t('Is empty'),
+      'not empty' => t('Is not Empty'),
+    );
+    $form['operation'] = array(
+      '#title' => t('Operation'),
+      '#type' => 'select',
+      '#options' => $options,
+      '#description' => t('The comparison to perform to determine if the date field meets the condition. For multiple value date fields, all values will be checked to see if any meet the condition.'),
+      '#default_value' => isset($defaults['operation']) ? $defaults['operation'] : '',
+      '#required' => TRUE,
+    );
+    $form['value'] = array(
+      '#title' => t('Value'),
+      '#type' => 'textfield',
+      '#description' => t("The value the field should contain to meet the condition. This can either be an absolute date in ISO format (YYYY-MM-DDTHH:MM:SS) or a relative string like '12AM today'. Examples: 2011-12-31T00:00:00, now, now +1 day, 12AM today, Monday next week. <a href=\"@relative_format\">More examples of relative date formats in the PHP documentation</a>.", array('@relative_format' => 'http://www.php.net/manual/en/datetime.formats.relative.php')),
+      '#default_value' => isset($defaults['value']) ? $defaults['value'] : '',
+      '#process' => array('ctools_dependent_process'),
+      '#dependency' => array(':input[name="conditions[plugins][date_context_date_condition][options][operation]"]' => array('<', '<=', '>', '>=', '=', '!=')),
+    );
+    return $form;
+  }
+
+  function execute($entity, $op) {
+    if (in_array($op, array('view', 'form'))) {
+      foreach ($this->get_contexts() as $context) {
+        $options = $this->fetch_from_context($context, 'options');
+        $fields = $this->fetch_from_context($context, 'values');
+
+        foreach ($fields as $field_name => $label) {
+
+          // If this field does not exist on this entity, just move along.
+          if (empty($entity->{$field_name})) {
+            continue;
+          }
+
+          $items = field_get_items('node', $entity, $field_name);
+
+          // If there are no values, nothing to do unless we were looking for 'empty' or '!='.
+          if (empty($items)) {
+            if ($options['operation'] == '!=' || $options['operation'] == 'empty') {
+              $this->condition_met($context, $field_name);
+            }
+          }
+
+          // We don't have to construct the date values if we're just testing for 'not empty'.
+          elseif ($options['operation'] == 'not empty') {
+            $this->condition_met($context, $field_name);
+          }
+
+          // All other operations need to retrieve the date values for comparision.
+          else {
+            $field = field_info_field($field_name);
+            $timezone_db = date_get_timezone_db($field['settings']['tz_handling']);
+            foreach ($items as $delta => $item) {
+              $timezone = date_get_timezone($field['settings']['tz_handling'], $item['timezone']);
+              $date = new DateObject($item['value'], $timezone_db);
+              date_timezone_set($date, timezone_open($timezone));
+              $date1 = $date->format(DATE_FORMAT_DATETIME);
+              if (empty($item['value2'])) {
+                $item['value2'] = $item['value'];
+              }
+              $date = new DateObject($item['value2'], $timezone_db);
+              date_timezone_set($date, timezone_open($timezone));
+              $date2 = $date->format(DATE_FORMAT_DATETIME);
+              str_replace('now', 'today', $options['value']);
+              $date = date_create($options['value'], date_default_timezone_object());
+              $compdate = $date->format(DATE_FORMAT_DATETIME);
+              switch($options['operation']) {
+                case '=':
+                  if ($date2 >= $compdate && $date1 <= $compdate) {
+                    $this->condition_met($context, $field_name);
+                  }
+                  break;
+                case '>':
+                  if ($date1 > $compdate) {
+                    $this->condition_met($context, $field_name);
+                  }
+                  break;
+                case '>=':
+                  if ($date1 >= $compdate) {
+                    $this->condition_met($context, $field_name);
+                  }
+                  break;
+                case '<':
+                  if ($date2 < $compdate) {
+                    $this->condition_met($context, $field_name);
+                  }
+                  break;
+                case '<=':
+                  if ($date2 <= $compdate) {
+                    $this->condition_met($context, $field_name);
+                  }
+                  break;
+                case '!=':
+                  if ($date1 < $compdate || $date2 > $compdate) {
+                    $this->condition_met($context, $field_name);
+                  }
+                  break;
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+}