FINAL suepr merge step : added all modules to this super repos

sites/all/modules/gui/images_styles_gen/images_styles_gen.info

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+name = Images Styles Generation
+description = "Images Styles Generation"
+
+; Core version (required)
+core = 7.x
+
+; Package name (see http://drupal.org/node/542202 for a list of names)
+package = Files
+
+; PHP version requirement (optional)
+; php = 5.2
+
+; Loadable code files
+;files[] = materio_didactique.theme.inc
+;files[] = materio_didactique.forms.inc
+;files[] = materio_didactique.pages.inc
+;files[] = materio_didactique.admin.inc
+files[] = images_styles_gen.module
+
+; Module dependencies
+;dependencies[] = taxonomy
+;dependencies[] = search_api
+dependencies[] = file
+
+; Configuration page
+; configure = admin/config/materiobasemod
+
+; For further information about configuration options, see
+; - http://drupal.org/node/542202

sites/all/modules/gui/images_styles_gen/images_styles_gen.module

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+<?php
+
+/**
+ * Implements hook_menu().
+ */
+function images_styles_gen_menu() {
+  
+  $items['admin/config/media/image-styles/generate'] = array(
+    'title' => 'pre-generate images styles',
+    'page callback' => 'drupal_get_form',
+    'page arguments' => array('images_styles_gen_settings'),
+    'access arguments' => array('administer image styles'),
+    'type' => MENU_LOCAL_ACTION,
+  );
+
+  return $items;
+}
+
+function images_styles_gen_settings(){
+
+  foreach(image_styles() as $style) {
+    $styles_options[$style['name']] = $style['name'];
+  }
+
+  $form['images_styles_gen_styles'] = array(
+    '#type'=>'select',
+    '#options'=>$styles_options,
+    '#default_value' => variable_get('images_styles_gen_styles', array()),
+    '#title' => t('Images styles to pre generate'),
+    '#multiple' => true,
+  );
+
+  return system_settings_form($form);
+}
+
+
+/**
+ * Implements hook_cron().
+ */
+function images_styles_gen_cron() {
+  $result = db_query('SELECT fid, uri FROM {file_managed} WHERE filemime like :mime AND status = :status', array('mime' => 'image/%', 'status' => FILE_STATUS_PERMANENT));
+  $queue = DrupalQueue::get('generate_images_styles');
+  $n = 0;
+
+  $images_styles_gen_styles = variable_get('images_styles_gen_styles', array());
+
+  watchdog('Images Styles Generate', 'active styles variable : '. print_r($images_styles_gen_styles, true), null, WATCHDOG_INFO);
+
+  foreach(image_styles() as $style) {
+    if( in_array($style['name'], $images_styles_gen_styles) ){
+      $active_styles[] = $style;
+    }
+  }
+
+  watchdog('Images Styles Generate', 'active styles : '. print_r($active_styles, true), null, WATCHDOG_INFO);
+
+  foreach ($result as $img_info) {
+    foreach($active_styles as $style) {
+      $derivative_uri = image_style_path($style['name'], $img_info->uri);
+      if (file_exists($derivative_uri)) continue; // skip existing files
+      $data = (object) array(
+              'style' => $style,
+              'img_info' => $img_info,
+              'derivative_uri' => $derivative_uri
+               );
+      $queue->createItem($data);
+      $n ++;
+    }
+  }
+  watchdog('Images Styles Generate', $n .' images added on cron to queue for generation.', null, WATCHDOG_INFO);
+}
+
+/**
+ * Implements hook_cron_queue_info().
+ */
+function images_styles_gen_cron_queue_info() {
+  $queues['generate_images_styles'] = array(
+    'worker callback' => '_images_styles_gen_generate',
+    'time' => 30
+  );
+	return $queues;
+}
+
+function _images_styles_gen_generate($data){
+	if (!file_exists($data->derivative_uri)) {
+    try {
+      image_style_create_derivative($data->style, $data->img_info->uri, $data->derivative_uri);  
+      watchdog('Images Styles Generate', 'Generated : '. $data->style['name'] .' | '.$data->img_info->uri, null, WATCHDOG_INFO);
+    } catch (Exception $e) {
+      watchdog('Images Styles Generate', 'Generation error on queue : '. $data->style['name'] .' | '. $data->img_info->uri.' | '.$e->getMessage(), null, WATCHDOG_WARNING);
+    }
+	}
+  return true;
+}