first import

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

@@ -0,0 +1,62 @@
+<?php
+
+/**
+ * Trigger context on node view only.
+ */
+define('CONTEXT_NODE_VIEW', 0);
+
+/**
+ * Trigger context on node view and node form.
+ */
+define('CONTEXT_NODE_FORM', 1);
+
+/**
+ * Trigger context on node form only.
+ */
+define('CONTEXT_NODE_FORM_ONLY', 2);
+
+/**
+ * Expose node views/node forms of specific node types as a context condition.
+ */
+class context_condition_node extends context_condition {
+  function condition_values() {
+    $values = array();
+    foreach (node_type_get_types() as $type) {
+      $values[$type->type] = check_plain($type->name);
+    }
+    return $values;
+  }
+
+  function options_form($context) {
+    $defaults = $this->fetch_from_context($context, 'options');
+    return array(
+      'node_form' => array(
+        '#title' => t('Set on node form'),
+        '#type' => 'select',
+        '#options' => array(
+           CONTEXT_NODE_VIEW => t('No'),
+           CONTEXT_NODE_FORM => t('Yes'),
+           CONTEXT_NODE_FORM_ONLY => t('Only on node form')
+        ),
+        '#description' => t('Set this context on node forms'),
+        '#default_value' => isset($defaults['node_form']) ? $defaults['node_form'] : TRUE,
+      ),
+    );
+  }
+
+  function execute($node, $op) {
+    foreach ($this->get_contexts($node->type) as $context) {
+      // Check the node form option.
+      $options = $this->fetch_from_context($context, 'options');
+      if ($op === 'form') {
+        $options = $this->fetch_from_context($context, 'options');
+        if (!empty($options['node_form']) && in_array($options['node_form'], array(CONTEXT_NODE_FORM, CONTEXT_NODE_FORM_ONLY))) {
+          $this->condition_met($context, $node->type);
+        }
+      }
+      elseif (empty($options['node_form']) || $options['node_form'] != CONTEXT_NODE_FORM_ONLY) {
+        $this->condition_met($context, $node->type);
+      }
+    }
+  }
+}