feat: adds Library Content button

iframes the Authoring MFE's Library Content Picker

cms/djangoapps/contentstore/helpers.py

@@ -190,6 +190,8 @@ def xblock_type_display_name(xblock, default_display_name=None):
         # description like "Multiple Choice Problem", but that won't work if our 'block' argument is just the block_type
         # string ("problem").
         return _('Problem')
+    elif category == 'library_v2':
+        return _('Library Content')
     component_class = XBlock.load_class(category)
     if hasattr(component_class, 'display_name') and component_class.display_name.default:
         return _(component_class.display_name.default)  # lint-amnesty, pylint: disable=translation-of-non-string

cms/djangoapps/contentstore/rest_api/v1/serializers/vertical_block.py

@@ -89,6 +89,7 @@ class ContainerHandlerSerializer(serializers.Serializer):
     unit_block_id = serializers.CharField(source="unit.location.block_id")
     subsection_location = serializers.CharField(source="subsection.location")
     course_sequence_ids = serializers.ListField(child=serializers.CharField())
+    library_content_picker_url = serializers.CharField()
 
     def get_assets_url(self, obj):
         """

cms/djangoapps/contentstore/utils.py

@@ -427,6 +427,17 @@ def get_course_outline_url(course_locator) -> str:
     return course_outline_url
 
 
+def get_library_content_picker_url(block_locator) -> str:
+    """
+    Gets course authoring microfrontend library content picker URL for the given parent block.
+    """
+    course_locator = block_locator.course_key
+    mfe_base_url = get_course_authoring_url(course_locator)
+    content_picker_url = f'{mfe_base_url}/component-picker?parentLocator={block_locator}'
+
+    return content_picker_url
+
+
 def get_unit_url(course_locator, unit_locator) -> str:
     """
     Gets course authoring microfrontend URL for unit page view.
@@ -2046,6 +2057,7 @@ def get_container_handler_context(request, usage_key, course, xblock):  # pylint
         'user_clipboard': user_clipboard,
         'is_fullwidth_content': is_library_xblock,
         'course_sequence_ids': course_sequence_ids,
+        'library_content_picker_url': get_library_content_picker_url(xblock.location),
     }
     return context
 

cms/djangoapps/contentstore/views/component.py

@@ -41,7 +41,16 @@
 log = logging.getLogger(__name__)
 
 # NOTE: This list is disjoint from ADVANCED_COMPONENT_TYPES
-COMPONENT_TYPES = ['discussion', 'library', 'html', 'openassessment', 'problem', 'video', 'drag-and-drop-v2']
+COMPONENT_TYPES = [
+    'discussion',
+    'library',
+    'library_v2',
+    'html',
+    'openassessment',
+    'problem',
+    'video',
+    'drag-and-drop-v2',
+]
 
 ADVANCED_COMPONENT_TYPES = sorted({name for name, class_ in XBlock.load_classes()} - set(COMPONENT_TYPES))
 
@@ -95,6 +104,10 @@ def _load_mixed_class(category):
     """
     Load an XBlock by category name, and apply all defined mixins
     """
+    # Libraries v2 content doesn't have an XBlock.
+    if category == 'library_v2':
+        return None
+
     component_class = XBlock.load_class(category)
     mixologist = Mixologist(settings.XBLOCK_MIXINS)
     return mixologist.mix(component_class)
@@ -216,6 +229,7 @@ def create_support_legend_dict():
         'video': _("Video"),
         'openassessment': _("Open Response"),
         'library': _("Legacy Library"),
+        'library_v2': _("Library Content"),
         'drag-and-drop-v2': _("Drag and Drop"),
     }
 

cms/static/js/views/components/add_library_content.js

@@ -0,0 +1,51 @@
+/**
+ * Provides utilities to open and close the library content picker.
+ * 
+ * To use this picker you need to add the following code into your template:
+ * 
+ * ```
+ * <div id="library-content-picker" class="picker"></div>
+ * <div class="picker-cover"></div>
+ * ```
+ */
+define(['jquery'],
+function($) {
+    'use strict';
+
+    const closePicker = (picker, pickerCover) => {
+        $(pickerCover).css('display', 'none');
+        $(picker).empty();
+        $(picker).css('display', 'none');
+        $('body').removeClass('picker-open');
+    };
+
+    const openPicker = (contentPickerUrl, picker, pickerCover) => {
+        // Add event listen to close picker when the iframe tells us to
+        window.addEventListener("message", function (event) {
+            if (event.data === 'closeComponentPicker') {
+                closePicker(picker, pickerCover);
+            }
+        }.bind(this));
+
+        $(pickerCover).css('display', 'block');
+        // xss-lint: disable=javascript-jquery-html
+        $(picker).html(
+            `<iframe src="${contentPickerUrl}" onload="this.contentWindow.focus()" frameborder="0" style="width: 100%; height: 100%;"></iframe>`
+        );
+        $(picker).css('display', 'block');
+
+        // Prevent background from being scrollable when picker is open
+        $('body').addClass('picker-open');
+    };
+
+    const createComponent = (contentPickerUrl) => {
+      const picker = document.querySelector("#library-content-picker");
+      const pickerCover = document.querySelector(".picker-cover");
+
+      return openPicker(contentPickerUrl, picker, pickerCover);
+    };
+
+    return {
+        createComponent: createComponent,
+    };
+});

cms/static/js/views/components/add_xblock.js

@@ -3,8 +3,9 @@
  */
 define(['jquery', 'underscore', 'gettext', 'js/views/baseview', 'common/js/components/utils/view_utils',
     'js/views/components/add_xblock_button', 'js/views/components/add_xblock_menu',
+    'js/views/components/add_library_content',
     'edx-ui-toolkit/js/utils/html-utils'],
-function($, _, gettext, BaseView, ViewUtils, AddXBlockButton, AddXBlockMenu, HtmlUtils) {
+function($, _, gettext, BaseView, ViewUtils, AddXBlockButton, AddXBlockMenu, AddLibraryContent, HtmlUtils) {
     'use strict';
 
     var AddXBlockComponent = BaseView.extend({
@@ -67,14 +68,19 @@ function($, _, gettext, BaseView, ViewUtils, AddXBlockButton, AddXBlockMenu, Htm
                 oldOffset = ViewUtils.getScrollOffset(this.$el);
             event.preventDefault();
             this.closeNewComponent(event);
-            ViewUtils.runOperationShowingMessage(
-                gettext('Adding'),
-                _.bind(this.options.createComponent, this, saveData, $element)
-            ).always(function() {
-                // Restore the scroll position of the buttons so that the new
-                // component appears above them.
-                ViewUtils.setScrollOffset(self.$el, oldOffset);
-            });
+
+            if (saveData.type === 'library_v2') {
+                AddLibraryContent.createComponent(this.options.libraryContentPickerUrl);
+            } else {
+                ViewUtils.runOperationShowingMessage(
+                    gettext('Adding'),
+                    _.bind(this.options.createComponent, this, saveData, $element),
+                ).always(function() {
+                    // Restore the scroll position of the buttons so that the new
+                    // component appears above them.
+                    ViewUtils.setScrollOffset(self.$el, oldOffset);
+                });
+            }
         }
     });
 

cms/static/js/views/pages/container.js

@@ -212,7 +212,8 @@ function($, _, Backbone, gettext, BasePage,
                     var component = new AddXBlockComponent({
                         el: element,
                         createComponent: _.bind(self.createComponent, self),
-                        collection: self.options.templates
+                        collection: self.options.templates,
+                        libraryContentPickerUrl: self.options.libraryContentPickerUrl,
                     });
                     component.render();
                 });

cms/static/sass/assets/_graphics.scss

@@ -66,3 +66,10 @@
   height: ($baseline*3);
   background: url('#{$static-path}/images/large-library-icon.png') center no-repeat;
 }
+
+.large-library_v2-icon {
+  display: inline-block;
+  width: ($baseline*3);
+  height: ($baseline*3);
+  background: url('#{$static-path}/images/large-library_v2-icon.png') center no-repeat;
+}

cms/static/sass/elements/_drawer.scss

@@ -1,7 +1,8 @@
 // studio - elements - side drawers
 // ====================
 
-.drawer-cover {
+.drawer-cover,
+.picker-cover {
   @extend %ui-depth3;
 
   display: none;
@@ -13,7 +14,8 @@
   background: rgba(0, 0, 0, 0.8);
 }
 
-.drawer-cover.gray-cover {
+.drawer-cover.gray-cover,
+.picker-cover.gray-cover {
   background: rgba(112, 112, 112, 0.8);
 }
 
@@ -29,6 +31,20 @@
   background-color: $gray-l4;
 }
 
-body.drawer-open {
+body.drawer-open,
+body.picker-open {
   overflow: hidden;
 }
+
+.picker {
+  @extend %ui-depth4;
+
+  display: none;
+  position: fixed;
+  top: 1em;
+  left: 1em;
+  right: 1em;
+  bottom: 1em;
+  background-color: $gray-l4;
+}
+

cms/templates/container.html

@@ -52,6 +52,7 @@
                 isUnitPage: ${is_unit_page | n, dump_js_escaped_json},
                 canEdit: true,
                 outlineURL: "${outline_url | n, js_escaped_string}",
+                libraryContentPickerUrl: "${library_content_picker_url | n, js_escaped_string}",
                 clipboardData: ${user_clipboard | n, dump_js_escaped_json},
             }
         );
@@ -299,4 +300,7 @@ <h5 class="title">${_("Location ID")}</h5>
 
 <div id="manage-tags-drawer" class="drawer"></div>
 <div class="drawer-cover gray-cover"></div>
+
+<div id="library-content-picker" class="picker"></div>
+<div class="picker-cover gray-cover"></div>
 </%block>