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- /**
- * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md.
- */
- /* globals document */
- import global from '@ckeditor/ckeditor5-utils/src/dom/global';
- import testUtils from '@ckeditor/ckeditor5-core/tests/_utils/utils';
- import StickyToolbarView from '../../../src/toolbar/sticky/stickytoolbarview';
- import ToolbarView from '../../../src/toolbar/toolbarview';
- import DomEmitterMixin from '@ckeditor/ckeditor5-utils/src/dom/emittermixin';
- testUtils.createSinonSandbox();
- describe( 'StickyToolbarView', () => {
- let view, element, limiterElement, locale, windowStub;
- beforeEach( () => {
- locale = {};
- limiterElement = document.createElement( 'div' );
- view = new StickyToolbarView( locale );
- element = view.element;
- // Dummy values just to let non–geometrical tests pass without reference errors.
- view._toolbarRect = { top: 10, right: 20, bottom: 30, left: 40, width: 50, height: 60 };
- view._limiterRect = { top: 5, right: 10, bottom: 15, left: 20, width: 25, height: 30 };
- windowStub = Object.create( DomEmitterMixin );
- Object.assign( windowStub, {
- scrollX: 0,
- scrollY: 0
- } );
- testUtils.sinon.stub( global, 'window', windowStub );
- document.body.appendChild( element );
- } );
- describe( 'constructor()', () => {
- it( 'inherits from ToolbarView', () => {
- expect( view ).to.be.instanceof( ToolbarView );
- } );
- it( 'sets view attributes', () => {
- expect( view.isSticky ).to.be.false;
- expect( view.limiterElement ).to.be.null;
- expect( view.limiterOffset ).to.equal( 50 );
- expect( view._isStickyToTheLimiter ).to.be.false;
- expect( view._marginLeft ).to.be.null;
- } );
- it( 'accepts the locale', () => {
- expect( view.locale ).to.equal( locale );
- } );
- it( 'creates the _elementPlaceholder', () => {
- expect( view._elementPlaceholder.classList.contains( 'ck-toolbar__placeholder' ) ).to.be.true;
- } );
- } );
- describe( 'element view bindings', () => {
- beforeEach( () => {
- view.limiterElement = limiterElement;
- } );
- it( 'update the class on view#isSticky change', () => {
- view.isSticky = false;
- expect( element.classList.contains( 'ck-toolbar_sticky' ) ).to.be.false;
- view.isSticky = true;
- expect( element.classList.contains( 'ck-toolbar_sticky' ) ).to.be.true;
- } );
- it( 'update the class on view#_isStickyToTheLimiter change', () => {
- view._isStickyToTheLimiter = false;
- expect( element.classList.contains( 'ck-toolbar_sticky_bottom-limit' ) ).to.be.false;
- view._isStickyToTheLimiter = true;
- expect( element.classList.contains( 'ck-toolbar_sticky_bottom-limit' ) ).to.be.true;
- } );
- it( 'update the styles.width on view#isSticky change', () => {
- testUtils.sinon.stub( view._elementPlaceholder, 'getBoundingClientRect' ).returns( { width: 100 } );
- view.isSticky = false;
- expect( element.style.width ).to.equal( '' );
- view.isSticky = true;
- expect( element.style.width ).to.equal( '100px' );
- } );
- it( 'update the styles.bottom on view#_isStickyToTheLimiter change', () => {
- view._isStickyToTheLimiter = false;
- expect( element.style.bottom ).to.equal( '' );
- view._isStickyToTheLimiter = true;
- expect( element.style.bottom ).to.equal( '50px' );
- } );
- it( 'update the styles.marginLeft on view#marginLeft change', () => {
- view._marginLeft = '30px';
- expect( element.style.marginLeft ).to.equal( '30px' );
- view._marginLeft = '10px';
- expect( element.style.marginLeft ).to.equal( '10px' );
- } );
- } );
- describe( '_elementPlaceholder view bindings', () => {
- it( 'update the styles.display on view#isSticky change', () => {
- view.isSticky = false;
- expect( view._elementPlaceholder.style.display ).to.equal( 'none' );
- view.isSticky = true;
- expect( view._elementPlaceholder.style.display ).to.equal( 'block' );
- } );
- it( 'update the styles.height on view#isSticky change', () => {
- view._toolbarRect = { height: 50 };
- view.isSticky = false;
- expect( view._elementPlaceholder.style.height ).to.equal( '' );
- view.isSticky = true;
- expect( view._elementPlaceholder.style.height ).to.equal( '50px' );
- } );
- } );
- describe( 'init()', () => {
- beforeEach( () => {
- view.limiterElement = limiterElement;
- } );
- afterEach( () => {
- return view.destroy();
- } );
- it( 'calls init on parent class', () => {
- const spy = testUtils.sinon.spy( ToolbarView.prototype, 'init' );
- view.init();
- expect( spy.calledOnce ).to.be.true;
- } );
- it( 'puts the view._elementPlaceholder before view.element', () => {
- view.init();
- expect( element.previousSibling ).to.equal( view._elementPlaceholder );
- } );
- it( 'listens to window#scroll event and calls view._checkIfShouldBeSticky', () => {
- const spy = testUtils.sinon.spy( view, '_checkIfShouldBeSticky' );
- view.init();
- global.window.fire( 'scroll' );
- expect( spy.calledOnce ).to.be.true;
- } );
- it( 'listens to view.isActive and calls view._checkIfShouldBeSticky', () => {
- const spy = testUtils.sinon.spy( view, '_checkIfShouldBeSticky' );
- expect( spy.notCalled ).to.be.true;
- view.init();
- view.isActive = true;
- expect( spy.calledOnce ).to.be.true;
- view.isActive = false;
- expect( spy.calledTwice ).to.be.true;
- } );
- } );
- describe( 'destroy()', () => {
- it( 'should return a promise', () => {
- expect( view.destroy() ).to.be.instanceof( Promise );
- } );
- it( 'calls destroy on parent class', () => {
- const spy = testUtils.sinon.spy( ToolbarView.prototype, 'destroy' );
- return view.destroy().then( () => {
- expect( spy.calledOnce ).to.be.true;
- } );
- } );
- it( 'removes view._elementPlaceholder from DOM', () => {
- return view.destroy().then( () => {
- expect( view._elementPlaceholder.parentNode ).to.be.null;
- } );
- } );
- } );
- describe( '_checkIfShouldBeSticky', () => {
- beforeEach( () => {
- view.limiterElement = limiterElement;
- } );
- describe( 'view.isSticky', () => {
- beforeEach( () => {
- testUtils.sinon.stub( view.element, 'getBoundingClientRect' ).returns( {
- height: 20
- } );
- } );
- it( 'is true if beyond the top of the viewport (toolbar is active)', () => {
- testUtils.sinon.stub( view.limiterElement, 'getBoundingClientRect' ).returns( { top: -10, height: 100 } );
- view.isActive = true;
- expect( view.isSticky ).to.be.false;
- view._checkIfShouldBeSticky();
- expect( view.isSticky ).to.be.true;
- } );
- it( 'is false if beyond the top of the viewport (toolbar is inactive)', () => {
- testUtils.sinon.stub( view.limiterElement, 'getBoundingClientRect' ).returns( { top: -10, height: 100 } );
- view.isActive = false;
- expect( view.isSticky ).to.be.false;
- view._checkIfShouldBeSticky();
- expect( view.isSticky ).to.be.false;
- } );
- it( 'is false if in the viewport (toolbar is active)', () => {
- testUtils.sinon.stub( view.limiterElement, 'getBoundingClientRect' ).returns( { top: 10, height: 100 } );
- view.isActive = true;
- expect( view.isSticky ).to.be.false;
- view._checkIfShouldBeSticky();
- expect( view.isSticky ).to.be.false;
- } );
- it( 'is false if view.limiterElement is smaller than the toolbar and view.limiterOffset (toolbar is active)', () => {
- testUtils.sinon.stub( view.limiterElement, 'getBoundingClientRect' ).returns( { top: -10, height: 60 } );
- view.isActive = true;
- view.limiterOffset = 50;
- expect( view.isSticky ).to.be.false;
- view._checkIfShouldBeSticky();
- expect( view.isSticky ).to.be.false;
- } );
- } );
- describe( 'view._isStickyToTheLimiter', () => {
- it( 'is true if view.isSticky is true and reached the bottom edge of view.limiterElement', () => {
- testUtils.sinon.stub( view.limiterElement, 'getBoundingClientRect' ).returns( {
- top: -10,
- bottom: 10,
- height: 100
- } );
- testUtils.sinon.stub( view.element, 'getBoundingClientRect' ).returns( {
- height: 20
- } );
- view.isActive = true;
- expect( view.isSticky ).to.be.false;
- expect( view._isStickyToTheLimiter ).to.be.false;
- view._checkIfShouldBeSticky();
- expect( view.isSticky ).to.be.true;
- expect( view._isStickyToTheLimiter ).to.be.true;
- } );
- it( 'is false if view.isSticky is true and not reached the bottom edge of view.limiterElement', () => {
- testUtils.sinon.stub( view.limiterElement, 'getBoundingClientRect' ).returns( {
- top: -10,
- bottom: 90,
- height: 100
- } );
- testUtils.sinon.stub( view.element, 'getBoundingClientRect' ).returns( {
- height: 20
- } );
- view.isActive = true;
- expect( view.isSticky ).to.be.false;
- expect( view._isStickyToTheLimiter ).to.be.false;
- view._checkIfShouldBeSticky();
- expect( view.isSticky ).to.be.true;
- expect( view._isStickyToTheLimiter ).to.be.false;
- } );
- it( 'is false if view.isSticky is false', () => {
- testUtils.sinon.stub( view.limiterElement, 'getBoundingClientRect' ).returns( {
- top: 10,
- } );
- view.isActive = true;
- expect( view.isSticky ).to.be.false;
- expect( view._isStickyToTheLimiter ).to.be.false;
- view._checkIfShouldBeSticky();
- expect( view.isSticky ).to.be.false;
- expect( view._isStickyToTheLimiter ).to.be.false;
- } );
- } );
- describe( 'view._marginLeft', () => {
- it( 'is set if view.isSticky is true view._isStickyToTheLimiter is false', () => {
- testUtils.sinon.stub( view.limiterElement, 'getBoundingClientRect' ).returns( {
- top: -10,
- bottom: 80,
- height: 100
- } );
- testUtils.sinon.stub( view.element, 'getBoundingClientRect' ).returns( {
- height: 20
- } );
- Object.assign( windowStub, {
- scrollX: 10,
- scrollY: 0
- } );
- view.isActive = true;
- expect( view.isSticky ).to.be.false;
- expect( view._isStickyToTheLimiter ).to.be.false;
- expect( view._marginLeft ).to.equal( null );
- view._checkIfShouldBeSticky();
- expect( view.isSticky ).to.be.true;
- expect( view._isStickyToTheLimiter ).to.be.false;
- expect( view._marginLeft ).to.equal( '-10px' );
- } );
- it( 'is not set if view._isStickyToTheLimiter is true', () => {
- testUtils.sinon.stub( view.limiterElement, 'getBoundingClientRect' ).returns( {
- top: -10,
- bottom: 10,
- left: 60,
- height: 100
- } );
- testUtils.sinon.stub( view.element, 'getBoundingClientRect' ).returns( {
- height: 20
- } );
- testUtils.sinon.stub( document.body, 'getBoundingClientRect' ).returns( {
- left: 40
- } );
- view.isActive = true;
- expect( view.isSticky ).to.be.false;
- expect( view._isStickyToTheLimiter ).to.be.false;
- expect( view._marginLeft ).to.equal( null );
- view._checkIfShouldBeSticky();
- expect( view.isSticky ).to.be.true;
- expect( view._isStickyToTheLimiter ).to.be.true;
- expect( view._marginLeft ).to.equal( null );
- } );
- it( 'is not set if view.isSticky is false', () => {
- testUtils.sinon.stub( view.limiterElement, 'getBoundingClientRect' ).returns( {
- top: 10,
- } );
- view.isActive = true;
- expect( view.isSticky ).to.be.false;
- expect( view._isStickyToTheLimiter ).to.be.false;
- expect( view._marginLeft ).to.equal( null );
- view._checkIfShouldBeSticky();
- expect( view.isSticky ).to.be.false;
- expect( view._isStickyToTheLimiter ).to.be.false;
- expect( view._marginLeft ).to.equal( null );
- } );
- } );
- } );
- } );
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