first import

sites/all/modules/context/plugins/context_reaction_region.inc

@@ -0,0 +1,46 @@
+<?php
+
+class context_reaction_region extends context_reaction {
+
+  function editor_form($context) {
+  }
+
+  function options_form($context) {
+    $values = $this->fetch_from_context($context);
+    $form = array();
+    foreach (list_themes() as $theme) {
+      if ($theme->status) {
+        $regions = system_region_list($theme->name);
+        $default = isset($values[$theme->name]) ? $values[$theme->name]['disable'] : array();
+
+        $form[$theme->name] = array(
+          '#type' => 'fieldset',
+          '#title' => "Disable Regions in {$theme->name} Theme",
+          '#collapsible' => TRUE,
+          '#collapsed' => !array_reduce($default, create_function('$a, $b', 'return $a || $b;')),
+        );
+        $form[$theme->name]['disable'] = array(
+          '#type' => 'checkboxes',
+          '#title' => t("Disable the following"),
+          '#options' => $regions,
+          '#default_value' => $default,
+        );
+      }
+    }
+    return $form;
+  }
+  
+  function execute(&$page) {  
+    global $theme;
+    foreach ($this->get_contexts() as $k => $v) { 
+      if (isset($v->reactions[$this->plugin][$theme])) {
+        $regions = $v->reactions[$this->plugin][$theme]['disable'];
+        foreach ($regions as $region => $disable) {
+          if ($disable && isset($page[$region])) {
+            unset($page[$region]);
+          }
+        }
+      }
+    }
+  }
+}