Front-end work for duplicating components on the unit page.

CHANGELOG.rst

@@ -9,6 +9,8 @@ Blades: Video player start-end time range is now shown even before Play is
 clicked. Video player VCR time shows correct non-zero total time for YouTube
 videos even before Play is clicked. BLD-529.
 
+Studio: Add ability to duplicate components on the unit page.
+
 Blades: Adds CookieStorage utility for video player that provides convenient
   way to work with cookies.
 

cms/djangoapps/contentstore/features/component.feature

@@ -101,3 +101,14 @@ Feature: CMS.Component Adding
         And I add a "Blank Advanced Problem" "Advanced Problem" component
         And I delete all components
         Then I see no components
+
+    Scenario: I can duplicate a component
+        Given I am in Studio editing a new unit
+        And I add a "Blank Common Problem" "Problem" component
+        And I add a "Multiple Choice" "Problem" component
+        And I duplicate the first component
+        Then I see a Problem component with display name "Duplicate of 'Blank Common Problem'" in position "1"
+        And I reload the page
+        Then I see a Problem component with display name "Blank Common Problem" in position "0"
+        And I see a Problem component with display name "Duplicate of 'Blank Common Problem'" in position "1"
+        And I see a Problem component with display name "Multiple Choice" in position "2"

cms/djangoapps/contentstore/features/component.py

@@ -132,3 +132,25 @@ def delete_one_component(step):
 def edit_and_save_component(step):
     world.css_click('.edit-button')
     world.css_click('.save-button')
+
+
+@step(u'I duplicate the (first|second|third) component$')
+def duplicated_component(step, ordinal):
+    ord_map = {
+        "first": 0,
+        "second": 1,
+        "third": 2,
+    }
+    index = ord_map[ordinal]
+    duplicate_btn_css = 'a.duplicate-button'
+    world.css_click(duplicate_btn_css, int(index))
+
+
+@step(u'I see a Problem component with display name "([^"]*)" in position "([^"]*)"$')
+def see_component_in_position(step, display_name, index):
+    component_css = 'section.xmodule_CapaModule'
+
+    def find_problem(_driver):
+        return world.css_text(component_css, int(index)).startswith(display_name.upper())
+
+    world.wait_for(find_problem, timeout_msg='Did not find the duplicated problem')

cms/djangoapps/contentstore/tests/test_item.py

@@ -288,8 +288,8 @@ def verify_name(source_locator, parent_locator, expected_name, display_name=None
         # Uses default display_name of 'Text' from HTML component.
         verify_name(self.html_locator, self.seq_locator, "Duplicate of 'Text'")
 
-        # The sequence does not have a display_name set, so None gets included as the string 'None'.
-        verify_name(self.seq_locator, self.chapter_locator, "Duplicate of 'None'")
+        # The sequence does not have a display_name set, so category is shown.
+        verify_name(self.seq_locator, self.chapter_locator, "Duplicate of sequential")
 
         # Now send a custom display name for the duplicate.
         verify_name(self.seq_locator, self.chapter_locator, "customized name", display_name="customized name")

cms/djangoapps/contentstore/views/item.py

@@ -321,7 +321,10 @@ def _duplicate_item(parent_location, duplicate_source_location, display_name=Non
     if display_name is not None:
         duplicate_metadata['display_name'] = display_name
     else:
-        duplicate_metadata['display_name'] = _("Duplicate of '{0}'").format(source_item.display_name)
+        if source_item.display_name is None:
+            duplicate_metadata['display_name'] = _("Duplicate of {0}").format(source_item.category)
+        else:
+            duplicate_metadata['display_name'] = _("Duplicate of '{0}'").format(source_item.display_name)
 
     get_modulestore(category).create_and_save_xmodule(
         dest_location,

cms/static/coffee/spec/main.coffee

@@ -214,6 +214,8 @@ define([
     "js/spec/views/baseview_spec",
     "js/spec/views/paging_spec",
 
+    "js/spec/views/unit_spec"
+
     # these tests are run separate in the cms-squire suite, due to process
     # isolation issues with Squire.js
     # "coffee/spec/views/assets_spec"

cms/static/coffee/src/views/module_edit.coffee

@@ -1,6 +1,6 @@
 define ["backbone", "jquery", "underscore", "gettext", "xblock/runtime.v1",
         "js/views/feedback_notification", "js/views/metadata", "js/collections/metadata"
-        "js/utils/modal", "jquery.inputnumber", "xmodule"],
+        "js/utils/modal", "jquery.inputnumber", "xmodule", "coffee/src/main"],
 (Backbone, $, _, gettext, XBlock, NotificationView, MetadataView, MetadataCollection, ModalUtils) ->
   class ModuleEdit extends Backbone.View
     tagName: 'li'
@@ -62,7 +62,7 @@ define ["backbone", "jquery", "underscore", "gettext", "xblock/runtime.v1",
     changedMetadata: ->
       return _.extend(@metadataEditor.getModifiedMetadataValues(), @customMetadata())
 
-    createItem: (parent, payload) ->
+    createItem: (parent, payload, callback=->) ->
       payload.parent_locator = parent
       $.postJSON(
           @model.urlRoot
@@ -71,7 +71,7 @@ define ["backbone", "jquery", "underscore", "gettext", "xblock/runtime.v1",
               @model.set(id: data.locator)
               @$el.data('locator', data.locator)
               @render()
-      )
+      ).success(callback)
 
     render: ->
       if @model.id

cms/static/coffee/src/views/unit.coffee

@@ -13,6 +13,7 @@ define ["jquery", "jquery.ui", "gettext", "backbone",
       'click .create-draft': 'createDraft'
       'click .publish-draft': 'publishDraft'
       'change .visibility-select': 'setVisibility'
+      "click .component-actions .duplicate-button": 'duplicateComponent'
 
     initialize: =>
       @visibilityView = new UnitEditView.Visibility(
@@ -86,28 +87,62 @@ define ["jquery", "jquery.ui", "gettext", "backbone",
       @$newComponentItem.removeClass('adding')
       @$newComponentItem.find('.rendered-component').remove()
 
-    saveNewComponent: (event) =>
+    createComponent: (event, data, notification_message, analytics_message, success_callback) =>
       event.preventDefault()
 
       editor = new ModuleEditView(
         onDelete: @deleteComponent
         model: new ModuleModel()
       )
 
-      @$newComponentItem.before(editor.$el)
+      notification = new NotificationView.Mini
+        title: notification_message
+
+      notification.show()
+
+      callback = ->
+        notification.hide()
+        success_callback()
+        analytics.track analytics_message,
+          course: course_location_analytics
+          unit_id: unit_location_analytics
+          type: editor.$el.data('locator')
 
       editor.createItem(
         @$el.data('locator'),
-        $(event.currentTarget).data()
+        data,
+        callback
       )
 
-      analytics.track "Added a Component",
-        course: course_location_analytics
-        unit_id: unit_location_analytics
-        type: $(event.currentTarget).data('location')
+      return editor
 
+    saveNewComponent: (event) =>
+      success_callback = =>
+        @$newComponentItem.before(editor.$el)
+      editor = @createComponent(
+        event, $(event.currentTarget).data(),
+        gettext('Adding…'),
+        "Creating new component",
+        success_callback
+      )
       @closeNewComponent(event)
 
+    duplicateComponent: (event) =>
+      $component = $(event.currentTarget).parents('.component')
+      source_locator = $component.data('locator')
+      success_callback = ->
+        $component.after(editor.$el)
+        $('html, body').animate({
+          scrollTop: editor.$el.offset().top
+        }, 500)
+      editor = @createComponent(
+        event,
+        {duplicate_source_locator: source_locator},
+        gettext('Duplicating…')
+        "Duplicating " + source_locator,
+        success_callback
+      )
+
     components: => @$('.component').map((idx, el) -> $(el).data('locator')).get()
 
     wait: (value) =>

cms/static/js/spec/views/unit_spec.js

@@ -0,0 +1,164 @@
+define(["coffee/src/views/unit", "js/models/module_info", "js/spec/create_sinon", "js/views/feedback_notification",
+    "jasmine-stealth"],
+    function (UnitEditView, ModuleModel, create_sinon, NotificationView) {
+        var verifyJSON = function (requests, json) {
+            var request = requests[requests.length - 1];
+            expect(request.url).toEqual("/xblock");
+            expect(request.method).toEqual("POST");
+            expect(request.requestBody).toEqual(json);
+        };
+
+        var verifyComponents = function (unit, locators) {
+            var components = unit.$(".component");
+            expect(components.length).toBe(locators.length);
+            for (var i=0; i < locators.length; i++) {
+                expect($(components[i]).data('locator')).toBe(locators[i]);
+            }
+        };
+
+        var verifyNotification = function (notificationSpy, text, requests) {
+            expect(notificationSpy.constructor).toHaveBeenCalled();
+            expect(notificationSpy.show).toHaveBeenCalled();
+            expect(notificationSpy.hide).not.toHaveBeenCalled();
+            var options = notificationSpy.constructor.mostRecentCall.args[0];
+            expect(options.title).toMatch(text);
+            create_sinon.respondWithJson(requests, {"locator": "new_item"});
+            expect(notificationSpy.hide).toHaveBeenCalled();
+        };
+
+        describe('duplicateComponent ', function () {
+            var duplicateFixture =
+                '<div class="main-wrapper edit-state-draft" data-locator="unit_locator"> \
+                  <ol class="components"> \
+                    <li class="component" data-locator="loc_1"> \
+                      <div class="wrapper wrapper-component-editor"/> \
+                      <div class="component-actions"> \
+                        <a href="#" class="duplicate-button standard"><span class="duplicate-icon icon-copy"></span>Duplicate</a> \
+                      </div> \
+                    </li> \
+                    <li class="component" data-locator="loc_2"> \
+                      <div class="wrapper wrapper-component-editor"/> \
+                      <div class="component-actions"> \
+                        <a href="#" class="duplicate-button standard"><span class="duplicate-icon icon-copy"></span>Duplicate</a> \
+                      </div> \
+                    </li> \
+                  </ol> \
+                </div>';
+
+            var unit;
+            var clickDuplicate = function (index) {
+                unit.$(".duplicate-button")[index].click();
+            };
+            beforeEach(function () {
+                setFixtures(duplicateFixture);
+                unit = new UnitEditView({
+                    el: $('.main-wrapper'),
+                    model: new ModuleModel({
+                        id: 'unit_locator',
+                        state: 'draft'
+                    })
+                });
+            });
+
+            it('sends the correct JSON to the server', function () {
+                var requests = create_sinon.requests(this);
+                clickDuplicate(0);
+                verifyJSON(requests, '{"duplicate_source_locator":"loc_1","parent_locator":"unit_locator"}');
+            });
+
+            it('inserts duplicated component immediately after source upon success', function () {
+                var requests = create_sinon.requests(this);
+                clickDuplicate(0);
+                create_sinon.respondWithJson(requests, {"locator": "duplicated_item"});
+                verifyComponents(unit, ['loc_1', 'duplicated_item', 'loc_2']);
+            });
+
+            it('inserts duplicated component at end if source at end', function () {
+                var requests = create_sinon.requests(this);
+                clickDuplicate(1);
+                create_sinon.respondWithJson(requests, {"locator": "duplicated_item"});
+                verifyComponents(unit, ['loc_1', 'loc_2', 'duplicated_item']);
+            });
+
+            it('shows a notification while duplicating', function () {
+                var notificationSpy = spyOnConstructor(NotificationView, "Mini", ["show", "hide"]);
+                notificationSpy.show.andReturn(notificationSpy);
+
+                var requests = create_sinon.requests(this);
+                clickDuplicate(0);
+                verifyNotification(notificationSpy, /Duplicating/, requests);
+            });
+
+            it('does not insert duplicated component upon failure', function () {
+                var server = create_sinon.server(500, this);
+                clickDuplicate(0);
+                server.respond();
+                verifyComponents(unit, ['loc_1', 'loc_2']);
+            });
+        });
+        describe('saveNewComponent ', function () {
+            var newComponentFixture =
+                '<div class="main-wrapper edit-state-draft" data-locator="unit_locator"> \
+                  <ol class="components"> \
+                    <li class="component" data-locator="loc_1"> \
+                      <div class="wrapper wrapper-component-editor"/> \
+                    </li> \
+                    <li class="component" data-locator="loc_2"> \
+                      <div class="wrapper wrapper-component-editor"/> \
+                    </li> \
+                    <li class="new-component-item adding"> \
+                      <div class="new-component"> \
+                        <ul class="new-component-type"> \
+                          <li> \
+                            <a href="#" class="single-template" data-type="discussion" data-category="discussion"/> \
+                          </li> \
+                        </ul> \
+                      </div> \
+                    </li> \
+                  </ol> \
+                </div>';
+
+            var unit;
+            var clickNewComponent = function () {
+                unit.$(".new-component .new-component-type a.single-template").click();
+            };
+            beforeEach(function () {
+                setFixtures(newComponentFixture);
+                unit = new UnitEditView({
+                    el: $('.main-wrapper'),
+                    model: new ModuleModel({
+                        id: 'unit_locator',
+                        state: 'draft'
+                    })
+                });
+            });
+            it('sends the correct JSON to the server', function () {
+                var requests = create_sinon.requests(this);
+                clickNewComponent();
+                verifyJSON(requests, '{"category":"discussion","type":"discussion","parent_locator":"unit_locator"}');
+            });
+
+            it('inserts new component at end', function () {
+                var requests = create_sinon.requests(this);
+                clickNewComponent();
+                create_sinon.respondWithJson(requests, {"locator": "new_item"});
+                verifyComponents(unit, ['loc_1', 'loc_2', 'new_item']);
+            });
+
+            it('shows a notification while creating', function () {
+                var notificationSpy = spyOnConstructor(NotificationView, "Mini", ["show", "hide"]);
+                notificationSpy.show.andReturn(notificationSpy);
+                var requests = create_sinon.requests(this);
+                clickNewComponent();
+                verifyNotification(notificationSpy, /Adding/, requests);
+            });
+
+            it('does not insert duplicated component upon failure', function () {
+                var server = create_sinon.server(500, this);
+                clickNewComponent();
+                server.respond();
+                verifyComponents(unit, ['loc_1', 'loc_2']);
+            });
+        });
+    }
+);

cms/static/sass/_base.scss

@@ -689,7 +689,8 @@ hr.divide {
 }
 
 .edit-button.standard,
-.delete-button.standard {
+.delete-button.standard,
+.duplicate-button.standard {
   @extend %t-action4;
   @include white-button;
   float: left;
@@ -698,7 +699,8 @@ hr.divide {
   font-weight: 400;
 
   .edit-icon,
-  .delete-icon {
+  .delete-icon,
+  .duplicate-icon{
     margin-right: 4px;
   }
 }

cms/static/sass/assets/_graphics.scss

@@ -105,6 +105,13 @@
 	}
 }
 
+.duplicate-icon {
+   display: inline-block;
+   width: 12px;
+   height: 12px;
+   margin-right: 2px;
+}
+
 .visibility-toggle {
 	.toggle-icon {
 		display: inline-block;

cms/static/sass/views/_static-pages.scss

@@ -163,6 +163,10 @@
       margin-right: 12px;
     }
   }
+
+  .duplicate-button.standard {
+    display: none;
+  }
 }
 
 .edit-static-page {