LP: Restoring Display::getFrameReadyBlock function to inject js/css libs in LP content - refs BT#21508

Author: AngelFQC

public/main/inc/lib/display.lib.php

@@ -9,6 +9,7 @@
 use Chamilo\CoreBundle\Entity\ExtraField;
 use Chamilo\CoreBundle\Entity\ExtraFieldValues;
 use Chamilo\CoreBundle\Framework\Container;
+use Chamilo\CoreBundle\Repository\ColorThemeRepository;
 use ChamiloSession as Session;
 use Symfony\Component\HttpFoundation\Response;
 
@@ -2660,4 +2661,17 @@ public static function prose(string $contents): string
             </div>
             ";
     }
+
+    public static function getFrameReadyBlock(
+        string $frameName,
+        string $itemType = '',
+        string $jsConditionalFunction = 'function () { return false; }'
+    ): string {
+        return '$.frameReady(function() {},
+            "'.$frameName.'",
+            [
+            ],
+            '.$jsConditionalFunction
+            .');';
+    }
 }

public/main/lp/ScormApi.php

@@ -561,7 +561,7 @@ public static function saveItem(
             $return .= "updateGamification('$stars', '$score'); \n";
 
             $position = $myLP->isFirstOrLastItem($item_id);
-            $return .= "checkCurrentItemPosition('$position'); \n";
+            $return .= "checkCurrentItemPosition('$item_id'); \n";
 
             if ($mediaplayer) {
                 $return .= $mediaplayer;

public/main/lp/lp_view.php

@@ -188,10 +188,12 @@
 $get_toc_list = $oLP->get_toc();
 $get_teacher_buttons = $oLP->get_teacher_toc_buttons();
 
+$itemType = '';
 $type_quiz = false;
 foreach ($get_toc_list as $toc) {
-    if ($toc['id'] == $lp_item_id && 'quiz' === $toc['type']) {
-        $type_quiz = true;
+    if ($toc['id'] == $lp_item_id) {
+        $itemType = $toc['type'];
+        $type_quiz = 'quiz' === $toc['type'];
     }
 }
 
@@ -559,9 +561,16 @@
 $template->assign('disable_js_in_lp_view', (int) ('true' === api_get_setting('lp.disable_js_in_lp_view')));
 $template->assign('lp_preview_image', '<img src="'.$lpPreviewImagePath.'" alt="'.$oLP->getNameNoTags().'" />');
 
-//$frameReady = Display::getFrameReadyBlock('#content_id, #content_id_blank');
-//$template->assign('frame_ready', $frameReady);
-$template->assign('frame_ready', '');
+$frameReady = Display::getFrameReadyBlock(
+    '#content_id, #content_id_blank',
+    $itemType,
+    'function () {
+        var arr = ["link", "sco", "xapi", "quiz", "h5p"];
+
+        return $.inArray(olms.lms_item_type, arr) !== -1;
+    }'
+);
+$template->assign('frame_ready', $frameReady);
 $template->displayTemplate('@ChamiloCore/LearnPath/view.html.twig');
 
 // Restore a global setting.

public/main/lp/scorm_api.php

@@ -1713,28 +1713,37 @@ function switch_item(current_item, next_item)
 
     // @todo add loadForumThread inside lp_nav.php to do only one request instead of 3!
     //loadForumThread(olms.lms_lp_id, next_item);
-    //checkCurrentItemPosition(olms.lms_item_id);
+    checkCurrentItemPosition(olms.lms_item_id);
 
     return true;
 }
 
 /**
  * Hide or show the navigation buttons if the current item is the First or Last
  */
-var checkCurrentItemPosition = function(position) {
-    if (position == 'first') {
-        $("#scorm-previous").hide();
-        $("#scorm-next").show();
-    } else if (position == 'none') {
-        $("#scorm-previous").show();
-        $("#scorm-next").show();
-    } else if (position == 'last') {
-        $("#scorm-previous").show();
-        $("#scorm-next").hide();
-    } else if (position == 'both') {
-        $("#scorm-previous").hide();
-        $("#scorm-next").hide();
-    }
+var checkCurrentItemPosition = function(lpItemId) {
+    var currentItem = $.getJSON(
+        '<?php echo api_get_path(WEB_AJAX_PATH); ?>lp.ajax.php' + courseUrl,
+        {
+            a: 'check_item_position',
+            lp_item: lpItemId
+        }
+    ).done(function(parsedResponse,statusText,jqXhr) {
+        var position = jqXhr.responseJSON;
+        if (position == 'first') {
+            $("#scorm-previous").hide();
+            $("#scorm-next").show();
+        } else if (position == 'none') {
+            $("#scorm-previous").show();
+            $("#scorm-next").show();
+        } else if (position == 'last') {
+            $("#scorm-previous").show();
+            $("#scorm-next").hide();
+        } else if (position == 'both') {
+          $("#scorm-previous").hide();
+          $("#scorm-next").hide();
+        }
+    });
 }
 
 /**