From b346f7e63c9f105dc27fc47707349b90e172ad52 Mon Sep 17 00:00:00 2001
From: Mike Churchward <mike@remote-learner.net>
Date: Mon, 5 Nov 2012 17:04:25 -0500
Subject: [PATCH] MDL-32880 - Adding generic block conversion handlers.

---
 backup/converter/moodle1/handlerlib.php    | 27 +++++++-
 blocks/participants/backup/moodle1/lib.php | 81 ----------------------
 2 files changed, 24 insertions(+), 84 deletions(-)
 delete mode 100644 blocks/participants/backup/moodle1/lib.php

diff --git a/backup/converter/moodle1/handlerlib.php b/backup/converter/moodle1/handlerlib.php
index 3246046884781..e658237d18861 100644
--- a/backup/converter/moodle1/handlerlib.php
+++ b/backup/converter/moodle1/handlerlib.php
@@ -88,10 +88,16 @@ protected static function get_plugin_handlers($type, moodle1_converter $converte
         foreach ($plugins as $name => $dir) {
             $handlerfile  = $dir . '/backup/moodle1/lib.php';
             $handlerclass = "moodle1_{$type}_{$name}_handler";
-            if (!file_exists($handlerfile)) {
-                continue;
+            if ($type != "block") {
+                if (!file_exists($handlerfile)) {
+                    continue;
+                }
+                require_once($handlerfile);
+            } else {
+                if (!file_exists($handlerfile)) {
+                    $handlerclass = "moodle1_block_generic_handler";
+                }
             }
-            require_once($handlerfile);
 
             if (!class_exists($handlerclass)) {
                 throw new moodle1_convert_exception('missing_handler_class', $handlerclass);
@@ -1988,6 +1994,14 @@ public function on_legacy_resource_end(array $data) {
  * Base class for block handlers
  */
 abstract class moodle1_block_handler extends moodle1_plugin_handler {
+
+    public function get_paths() {
+        $blockname = strtoupper($this->pluginname);
+        return array(
+            new convert_path('block', "/MOODLE_BACKUP/COURSE/BLOCKS/BLOCK/{$blockname}"),
+        );
+    }
+
     public function process_block(array $data) {
         $newdata = array();
         $instanceid     = $data['id'];
@@ -2047,6 +2061,13 @@ public function process_block(array $data) {
 }
 
 
+/**
+ * Base class for block generic handler
+ */
+class moodle1_block_generic_handler extends moodle1_block_handler {
+
+}
+
 /**
  * Base class for the activity modules' subplugins
  */
diff --git a/blocks/participants/backup/moodle1/lib.php b/blocks/participants/backup/moodle1/lib.php
deleted file mode 100644
index 78ccad2dc8dea..0000000000000
--- a/blocks/participants/backup/moodle1/lib.php
+++ /dev/null
@@ -1,81 +0,0 @@
-<?php
-// This file is part of Moodle - http://moodle.org/
-//
-// Moodle is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// Moodle is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
-
-/**
- * Provides support for the conversion of moodle1 backup to the moodle2 format
- *
- * @package    block_participants
- * @copyright  2012 Mike Churchward (mike@remote-learner.net)
- * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
- */
-
-defined('MOODLE_INTERNAL') || die();
-
-/**
- * Block Participants conversion handler
- */
-class moodle1_block_participants_handler extends moodle1_block_handler {
-
-    /**
-     * Declare the paths in moodle.xml we are able to convert
-     *
-     * The method returns list of {@link convert_path} instances. For each path returned,
-     * at least one of on_xxx_start(), process_xxx() and on_xxx_end() methods must be
-     * defined. The method process_xxx() is not executed if the associated path element is
-     * empty (i.e. it contains none elements or sub-paths only).
-     *
-     * Note that the path /MOODLE_BACKUP/COURSE/BLOCKS/BLOCK/PARTICIPANT does not
-     * actually exist in the file. The last element with the module name was
-     * appended by the moodle1_converter class.
-     *
-     * @return array of {@link convert_path} instances
-     */
-    public function get_paths() {
-        return array(
-            new convert_path(
-            	'participants', '/MOODLE_BACKUP/COURSE/BLOCKS/BLOCK/PARTICIPANTS',
-                array(
-                    'renamefields' => array(
-                        'name' => 'blockname'
-                    ),
-                	'newfields' => array(
-                        'version' => '',
-                        'showinsubcontexts' => 0,
-                        'subpagepattern' => '$@NULL@S',
-                        'defaultregion' => 'side-pre',
-                        'defaultweight' => 2
-                    )
-                )
-            ),
-        );
-    }
-
-	/**
-     * This is executed every time we have one /MOODLE_BACKUP/COURSE/BLOCKS/BLOCK/PARTICIPANTS
-     * data available
-     */
-    public function process_participants($data) {
-        $instanceid = $data['id'];
-        $contextid = 0;
-        $parentcontextid = 0;
-
-        // Start writing block.xml.
-        $this->open_xml_writer("blocks/part_{$this->moduleid}/quiz.xml");
-        $this->xmlwriter->begin_tag('activity', array('id' => $instanceid,
-                'moduleid' => $this->moduleid, 'modulename' => 'quiz',
-                'contextid' => $contextid));
-    }
-}