support for image_styles import/export using ctools export.inc

From: Adrian Rossouw <adrian@developmentseed.org>


---

 modules/image/image.install |   11 ++++++++++
 modules/image/image.module  |   46 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 57 insertions(+), 0 deletions(-)


diff --git modules/image/image.install modules/image/image.install
index 88fcf99..3f893da 100644
--- modules/image/image.install
+++ modules/image/image.install
@@ -39,6 +39,17 @@ function image_schema() {
 
   $schema['image_styles'] = array(
     'description' => 'Stores configuration options for image styles.',
+    'export' => array(
+      'key' => 'name',
+      'object' => 'stdClass',
+      'identifier' => 'image_style',
+      'api' => array(
+        'owner' => 'image',
+        'api' => 'image_styles',  // Base name for api include files.
+        'minimum_version' => 1,
+        'current_version' => 1,
+      ),
+    ),
     'fields' => array(
       'isid' => array(
         'description' => 'The primary identifier for an image style.',
diff --git modules/image/image.module modules/image/image.module
index 5d7d851..6d86757 100644
--- modules/image/image.module
+++ modules/image/image.module
@@ -90,6 +90,14 @@ function image_menu() {
     'type' => MENU_CALLBACK,
     'file' => 'image.admin.inc',
   );
+  $items['admin/config/media/image-styles/export/%image_style'] = array(
+    'title' => 'Export style',
+    'description' => 'Export an image style.',
+    'page callback' => 'drupal_get_form',
+    'page arguments' => array('image_export_image_style', 5),
+    'access arguments' => array('administer image styles'),
+    'type' => MENU_CALLBACK,
+  );
   $items['admin/config/media/image-styles/edit/%image_style/effects/%image_effect'] = array(
     'title' => 'Edit image effect',
     'description' => 'Edit an exiting effect within a style.',
@@ -853,3 +861,41 @@ function image_filter_keyword($value, $current_pixels, $new_pixels) {
 function _image_effect_definitions_sort($a, $b) {
   return strcasecmp($a['name'], $b['name']);
 }
+
+/**
+ * Load a single Image Style.
+ */
+function image_image_style_load($name) {
+  require_once(DRUPAL_ROOT . '/includes/export.inc');
+
+  $result = export_load_object('image_styles', 'names', array($name));
+  if (isset($result[$name])) {
+    return $result[$name];
+  }
+}
+
+/**
+ * Export an Image Style.
+ */
+function image_image_style_export($style, $indent = '') {
+  require_once(DRUPAL_ROOT . '/includes/export.inc');
+  $output = export_object('image_styles', $style, $indent);
+  return $output;
+}
+
+function image_export_image_style(&$form_state, $style) {
+  $obj = image_image_style_load($style['name']);
+  $code = image_image_style_export($obj);
+  $lines = substr_count($code, "\n");
+ 
+
+  $form['export'] = array(
+    '#title' => t('Export data'),
+    '#type' => 'textarea',
+    '#value' => $code,
+    '#rows' => $lines,
+    '#description' => t('Copy the export text and paste it into another image style using the import function.'),
+  );
+  return $form;
+}
+