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- /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md.
- */
- /* bender-tags: ui */
- import testUtils from '/tests/ckeditor5/_utils/utils.js';
- import ControllerCollection from '/ckeditor5/ui/controllercollection.js';
- import Controller from '/ckeditor5/ui/controller.js';
- import Collection from '/ckeditor5/utils/collection.js';
- import Model from '/ckeditor5/ui/model.js';
- import View from '/ckeditor5/ui/view.js';
- import Template from '/ckeditor5/ui/template.js';
- testUtils.createSinonSandbox();
- let ParentView, ItemController, ItemView;
- let modelCollection;
- describe( 'ControllerCollection', () => {
- beforeEach( () => {
- defineParentViewClass();
- defineItemControllerClass();
- defineItemViewClass();
- createModelCollection();
- } );
- describe( 'constructor', () => {
- it( 'should throw when no name is passed', () => {
- expect( () => {
- new ControllerCollection();
- } ).to.throw( /^ui-controllercollection-no-name/ );
- } );
- it( 'activates model collection synchronization', () => {
- const modelCollection = new Collection( {
- idProperty: 'uid'
- } );
- modelCollection.add( new Model( {
- uid: 'foo'
- } ) );
- const controllers = new ControllerCollection( 'synced', modelCollection, ItemController, ItemView );
- expect( controllers ).to.have.length( 1 );
- } );
- } );
- describe( 'add', () => {
- it( 'should add a child controller and return promise', () => {
- const parentController = new Controller();
- const childController = new Controller();
- const collection = new ControllerCollection( 'x' );
- parentController.collections.add( collection );
- const returned = collection.add( childController );
- expect( returned ).to.be.an.instanceof( Promise );
- expect( collection.get( 0 ) ).to.be.equal( childController );
- } );
- it( 'should add a child controller at given position', () => {
- const parentController = new Controller();
- const childController1 = new Controller();
- const childController2 = new Controller();
- const collection = new ControllerCollection( 'x' );
- parentController.collections.add( collection );
- collection.add( childController1 );
- collection.add( childController2, 0 );
- expect( collection.get( 0 ) ).to.be.equal( childController2 );
- expect( collection.get( 1 ) ).to.be.equal( childController1 );
- } );
- it( 'should initialize child controller if parent is ready', () => {
- const parentController = new Controller( null, new ParentView() );
- const childController = new Controller( null, new View() );
- const spy = testUtils.sinon.spy( childController, 'init' );
- const collection = new ControllerCollection( 'x' );
- parentController.collections.add( collection );
- collection.add( childController );
- collection.remove( childController );
- sinon.assert.notCalled( spy );
- return parentController.init()
- .then( () => {
- return collection.add( childController );
- } )
- .then( () => {
- sinon.assert.calledOnce( spy );
- } );
- } );
- it( 'should not initialize child controller twice', () => {
- const parentController = new Controller( null, new ParentView() );
- const childController = new Controller( null, new View() );
- const spy = testUtils.sinon.spy( childController, 'init' );
- const collection = new ControllerCollection( 'x' );
- parentController.collections.add( collection );
- return parentController.init()
- .then( () => {
- return childController.init();
- } )
- .then( () => {
- return collection.add( childController );
- } )
- .then( () => {
- sinon.assert.calledOnce( spy );
- } );
- } );
- } );
- describe( '_sync', () => {
- it( 'expands the initial collection of the models', () => {
- const controllers = new ControllerCollection( 'synced' );
- controllers._sync( modelCollection, ItemController, ItemView );
- expect( controllers ).to.have.length( 5 );
- expect( controllers.get( 0 ).model.uid ).to.equal( '0' );
- expect( controllers.get( 4 ).model.uid ).to.equal( '4' );
- } );
- it( 'uses the controller and view classes to expand the collection', () => {
- const controllers = new ControllerCollection( 'synced' );
- controllers._sync( modelCollection, ItemController, ItemView );
- expect( controllers.get( 0 ) ).to.be.instanceOf( ItemController );
- expect( controllers.get( 0 ).view ).to.be.instanceOf( ItemView );
- } );
- it( 'supports adding new models to the collection', () => {
- const controllers = new ControllerCollection( 'synced' );
- controllers._sync( modelCollection, ItemController, ItemView );
- modelCollection.add( new Model( { uid: '6' } ) );
- modelCollection.add( new Model( { uid: '5' } ), 5 );
- expect( controllers.get( 5 ).model.uid ).to.equal( '5' );
- expect( controllers.get( 6 ).model.uid ).to.equal( '6' );
- expect( controllers ).to.have.length( 7 );
- } );
- it( 'supports removing models from the collection', () => {
- const controllers = new ControllerCollection( 'synced' );
- controllers._sync( modelCollection, ItemController, ItemView );
- modelCollection.remove( 2 );
- modelCollection.remove( 3 );
- expect( controllers.map( c => c.id ) ).to.have.members( [ '0', '1', '3' ] );
- } );
- } );
- } );
- function defineParentViewClass() {
- ParentView = class extends View {
- constructor() {
- super();
- this.element = document.createElement( 'span' );
- this.register( 'x', true );
- }
- };
- }
- function defineItemControllerClass() {
- ItemController = class extends Controller {
- constructor( model, view ) {
- super( model, view );
- view.model.bind( 'uid' ).to( model );
- }
- };
- }
- function defineItemViewClass() {
- ItemView = class extends View {
- constructor() {
- super();
- const bind = this.bind;
- this.template = new Template( {
- tag: 'li',
- attributes: {
- id: bind.to( 'uid' )
- }
- } );
- }
- };
- }
- function createModelCollection() {
- modelCollection = new Collection( { idProperty: 'uid' } );
- for ( let i = 0; i < 5; i++ ) {
- modelCollection.add( new Model( {
- uid: Number( i ).toString()
- } ) );
- }
- }
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