From cfa8f37d5c5d6d02bab9acb7b51d6e342aedadc6 Mon Sep 17 00:00:00 2001
From: Dongsheng Cai <unoter@gmail.com>
Date: Fri, 5 Mar 2010 02:56:12 +0000
Subject: [PATCH] "MDL-20470, upgrade to yui3"

---
 lib/form/url.js  | 34 ++++++++++++++++------------------
 lib/form/url.php | 27 ++++++++++++++++++---------
 2 files changed, 34 insertions(+), 27 deletions(-)

diff --git a/lib/form/url.js b/lib/form/url.js
index 28cdd7271b3..cf6047e9dfa 100644
--- a/lib/form/url.js
+++ b/lib/form/url.js
@@ -1,19 +1,17 @@
-function url_callback(params) {
-}
-function url_launch_filepicker(id, client_id, itemid) {
-    var picker = document.createElement('DIV');
-    picker.id = 'file-picker-'+client_id;
-    picker.className = 'file-picker';
-    document.body.appendChild(picker);
-    var el=document.getElementById(id);
-    var params = {};
-    params.env = 'url';
-    params.itemid = itemid;
-    params.maxbytes = -1;
-    params.maxfiles = -1;
-    params.savepath = '/';
-    params.target = el;
-    params.callback = url_callback;
-    var fp = open_filepicker(client_id, params);
-    return false;
+M.form_url = {};
+
+M.form_url.init = function(Y, options) {
+    options.formcallback = M.form_url.callback;
+    if (!M.core_filepicker.instances[options.client_id]) {
+        M.core_filepicker.init(Y, options); 
+    }
+    Y.on('click', function(e, client_id) {
+        e.preventDefault();
+        M.core_filepicker.instances[client_id].show();
+    }, '#filepicker-button-'+options.client_id, null, options.client_id);
+
+};
+
+M.form_url.callback = function (params) {
+    document.getElementById('id_externalurl').value = params.url;
 }
diff --git a/lib/form/url.php b/lib/form/url.php
index 29161dcdae4..6faeb71e837 100755
--- a/lib/form/url.php
+++ b/lib/form/url.php
@@ -27,7 +27,6 @@ class MoodleQuickForm_url extends HTML_QuickForm_text{
             $this->_options['usefilepicker'] = true;
         }
         parent::HTML_QuickForm_text($elementName, $elementLabel, $attributes);
-        //repository_head_setup(); TODO: fixme
     }
 
     function setHiddenLabel($hiddenLabel){
@@ -58,16 +57,26 @@ class MoodleQuickForm_url extends HTML_QuickForm_text{
         }
         $client_id = uniqid();
 
-        //$repojs = repository_get_client($context, $client_id, '*', FILE_EXTERNAL);
-        $repojs = ''; //TODO: fixme
-
-        $PAGE->requires->js('/lib/form/url.js');
-        $str .= $repojs;
         $str .= <<<EOD
-<button id="filepicker-btn-{$client_id}" style="display:none" onclick="return url_launch_filepicker('$id', '$client_id', 0)">$straddlink</button>
+<button id="filepicker-button-{$client_id}" style="display:none">
+$straddlink
+</button>
 EOD;
-        // hide the button if javascript is not enabled
-        $str .= html_writer::script(js_writer::function_call('show_item', array("filepicker-btn-{$client_id}")));
+        $args = new stdclass;
+        // need these three to filter repositories list
+        $args->accepted_types = '*';
+        $args->return_types = FILE_EXTERNAL;
+        $args->context = $PAGE->context;
+
+        $options = initialise_filepicker($args);
+
+        $options->client_id = $client_id;
+        $options->env = 'url';
+
+        $module = array('name'=>'form_url', 'fullpath'=>'/lib/form/url.js', 'requires'=>array('core_filepicker'));
+        $PAGE->requires->js_init_call('M.form_url.init', array($options), true, $module);
+        $PAGE->requires->js_function_call('show_item', array('filepicker-button-'.$client_id));
+
         return $str;
     }
    /**