From aba5044091f6850b37c480be3e597234569488a5 Mon Sep 17 00:00:00 2001
From: Andrew Davis <andrew@moodle.com>
Date: Tue, 8 Oct 2013 13:59:16 +0700
Subject: [PATCH] MDL-26244 mod_date:added some logic show or hide the file
 picker button based on repository availability

---
 lib/form/url.php                   | 24 +++++++++++-------------
 mod/data/field/url/field.class.php |  4 +++-
 repository/filepicker.js           |  2 +-
 3 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/lib/form/url.php b/lib/form/url.php
index aa7100e35d1..1193086c332 100644
--- a/lib/form/url.php
+++ b/lib/form/url.php
@@ -79,7 +79,7 @@ class MoodleQuickForm_url extends HTML_QuickForm_text{
      * @return string
      */
     function toHtml(){
-        global $CFG, $COURSE, $USER, $PAGE, $OUTPUT;
+        global $PAGE, $OUTPUT;
 
         $id     = $this->_attributes['id'];
         $elname = $this->_attributes['name'];
@@ -94,20 +94,9 @@ class MoodleQuickForm_url extends HTML_QuickForm_text{
         if (empty($this->_options['usefilepicker'])) {
             return $str;
         }
-        $strsaved = get_string('filesaved', 'repository');
-        $straddlink = get_string('choosealink', 'repository');
-        if ($COURSE->id == SITEID) {
-            $context = context_system::instance();
-        } else {
-            $context = context_course::instance($COURSE->id);
-        }
+
         $client_id = uniqid();
 
-        $str .= <<<EOD
-<button id="filepicker-button-{$client_id}" style="display:none">
-$straddlink
-</button>
-EOD;
         $args = new stdClass();
         $args->accepted_types = '*';
         $args->return_types = FILE_EXTERNAL;
@@ -117,6 +106,15 @@ EOD;
         $fp = new file_picker($args);
         $options = $fp->options;
 
+        if (count($options->repositories) > 0) {
+            $straddlink = get_string('choosealink', 'repository');
+            $str .= <<<EOD
+<button id="filepicker-button-{$client_id}" style="display:none">
+$straddlink
+</button>
+EOD;
+        }
+
         // print out file picker
         $str .= $OUTPUT->render($fp);
 
diff --git a/mod/data/field/url/field.class.php b/mod/data/field/url/field.class.php
index 7656e8f3345..48440232b32 100644
--- a/mod/data/field/url/field.class.php
+++ b/mod/data/field/url/field.class.php
@@ -62,7 +62,9 @@ class data_field_url extends data_field_base {
             // Just the URL field
             $str .= '<label class="accesshide" for="' . $fieldid . '">'. $this->field->name .'</label>';
             $str .= '<input type="text" name="field_'.$this->field->id.'_0" id="'.$fieldid.'" value="'.s($url).'" size="60" />';
-            $str .= '<button id="filepicker-button-'.$options->client_id.'" style="display:none">'.$straddlink.'</button>';
+            if (count($options->repositories) > 0) {
+                $str .= '<button id="filepicker-button-'.$options->client_id.'" style="display:none">'.$straddlink.'</button>';
+            }
         }
 
         // print out file picker
diff --git a/repository/filepicker.js b/repository/filepicker.js
index d9d5d1ecd61..56065ec8986 100644
--- a/repository/filepicker.js
+++ b/repository/filepicker.js
@@ -23,7 +23,7 @@
  * this.options.client_id, the instance id
  * this.options.contextid
  * this.options.itemid
- * this.options.repositories, stores all repositories displaied in file picker
+ * this.options.repositories, stores all repositories displayed in file picker
  * this.options.formcallback
  *
  * Active repository options