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- /**
- * @license Copyright (c) 2003-2018, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md.
- */
- import DropdownView from '../../src/dropdown/dropdownview';
- import KeystrokeHandler from '@ckeditor/ckeditor5-utils/src/keystrokehandler';
- import FocusTracker from '@ckeditor/ckeditor5-utils/src/focustracker';
- import { keyCodes } from '@ckeditor/ckeditor5-utils/src/keyboard';
- import ButtonView from '../../src/button/buttonview';
- import DropdownPanelView from '../../src/dropdown/dropdownpanelview';
- import global from '@ckeditor/ckeditor5-utils/src/dom/global';
- import Rect from '@ckeditor/ckeditor5-utils/src/dom/rect';
- import testUtils from '@ckeditor/ckeditor5-core/tests/_utils/utils';
- describe( 'DropdownView', () => {
- let view, buttonView, panelView, locale;
- testUtils.createSinonSandbox();
- beforeEach( () => {
- locale = { t() {} };
- buttonView = new ButtonView( locale );
- panelView = new DropdownPanelView( locale );
- view = new DropdownView( locale, buttonView, panelView );
- view.render();
- // The #panelView positioning depends on the utility that uses DOM Rects.
- // To avoid an avalanche of warnings (DOM Rects do not work until
- // the element is in DOM), let's allow the dropdown to render in DOM.
- global.document.body.appendChild( view.element );
- } );
- afterEach( () => {
- view.element.remove();
- } );
- describe( 'constructor()', () => {
- it( 'sets view#locale', () => {
- expect( view.locale ).to.equal( locale );
- } );
- it( 'sets view#buttonView', () => {
- expect( view.buttonView ).to.equal( buttonView );
- } );
- it( 'sets view#panelView', () => {
- expect( view.panelView ).to.equal( panelView );
- } );
- it( 'sets view#isOpen false', () => {
- expect( view.isOpen ).to.be.false;
- } );
- it( 'sets view#isEnabled true', () => {
- expect( view.isEnabled ).to.be.true;
- } );
- it( 'sets view#panelPosition "auto"', () => {
- expect( view.panelPosition ).to.equal( 'auto' );
- } );
- it( 'creates #focusTracker instance', () => {
- expect( view.focusTracker ).to.be.instanceOf( FocusTracker );
- } );
- it( 'creates #keystrokeHandler instance', () => {
- expect( view.keystrokes ).to.be.instanceOf( KeystrokeHandler );
- } );
- it( 'creates #element from template', () => {
- expect( view.element.classList.contains( 'ck' ) ).to.be.true;
- expect( view.element.classList.contains( 'ck-dropdown' ) ).to.be.true;
- expect( view.element.children ).to.have.length( 2 );
- expect( view.element.children[ 0 ] ).to.equal( buttonView.element );
- expect( view.element.children[ 1 ] ).to.equal( panelView.element );
- } );
- it( 'sets view#buttonView class', () => {
- expect( view.buttonView.element.classList.contains( 'ck-dropdown__button' ) ).to.be.true;
- } );
- describe( 'bindings', () => {
- describe( 'view#isOpen to view.buttonView#select', () => {
- it( 'is activated', () => {
- const values = [];
- view.on( 'change:isOpen', () => {
- values.push( view.isOpen );
- } );
- view.buttonView.fire( 'open' );
- view.buttonView.fire( 'open' );
- view.buttonView.fire( 'open' );
- expect( values ).to.have.members( [ true, false, true ] );
- } );
- } );
- describe( 'view.panelView#isVisible to view#isOpen', () => {
- it( 'is activated', () => {
- const values = [];
- view.listenTo( view.panelView, 'change:isVisible', () => {
- values.push( view.isOpen );
- } );
- view.isOpen = true;
- view.isOpen = false;
- view.isOpen = true;
- expect( values ).to.have.members( [ true, false, true ] );
- } );
- } );
- describe( 'view.panelView#position to view#panelPosition', () => {
- it( 'does not update until the dropdown is opened', () => {
- view.isOpen = false;
- view.panelPosition = 'nw';
- expect( panelView.position ).to.equal( 'se' );
- view.isOpen = true;
- expect( panelView.position ).to.equal( 'nw' );
- } );
- describe( 'in "auto" mode', () => {
- beforeEach( () => {
- // Bloat the panel a little to give the positioning algorithm something to
- // work with. If the panel was empty, any smart positioning is pointless.
- // Placing an empty element in the viewport isn't that hard, right?
- panelView.element.style.width = '200px';
- panelView.element.style.height = '200px';
- } );
- it( 'defaults to "south-east" when there is a plenty of space around', () => {
- const windowRect = new Rect( global.window );
- // "Put" the dropdown in the middle of the viewport.
- stubElementClientRect( view.buttonView.element, {
- top: windowRect.height / 2,
- left: windowRect.width / 2,
- width: 10,
- height: 10
- } );
- view.isOpen = true;
- expect( panelView.position ).to.equal( 'se' );
- } );
- it( 'when the dropdown in the north-west corner of the viewport', () => {
- stubElementClientRect( view.buttonView.element, {
- top: 0,
- left: 0,
- width: 100,
- height: 10
- } );
- view.isOpen = true;
- expect( panelView.position ).to.equal( 'se' );
- } );
- it( 'when the dropdown in the north-east corner of the viewport', () => {
- const windowRect = new Rect( global.window );
- stubElementClientRect( view.buttonView.element, {
- top: 0,
- left: windowRect.right - 100,
- width: 100,
- height: 10
- } );
- view.isOpen = true;
- expect( panelView.position ).to.equal( 'sw' );
- } );
- it( 'when the dropdown in the south-west corner of the viewport', () => {
- const windowRect = new Rect( global.window );
- stubElementClientRect( view.buttonView.element, {
- top: windowRect.bottom - 10,
- left: 0,
- width: 100,
- height: 10
- } );
- view.isOpen = true;
- expect( panelView.position ).to.equal( 'ne' );
- } );
- it( 'when the dropdown in the south-east corner of the viewport', () => {
- const windowRect = new Rect( global.window );
- stubElementClientRect( view.buttonView.element, {
- top: windowRect.bottom - 10,
- left: windowRect.right - 100,
- width: 100,
- height: 10
- } );
- view.isOpen = true;
- expect( panelView.position ).to.equal( 'nw' );
- } );
- } );
- } );
- describe( 'DOM element bindings', () => {
- describe( 'class', () => {
- it( 'reacts on view#isEnabled', () => {
- view.isEnabled = true;
- expect( view.element.classList.contains( 'ck-disabled' ) ).to.be.false;
- view.isEnabled = false;
- expect( view.element.classList.contains( 'ck-disabled' ) ).to.be.true;
- } );
- it( 'reacts on view#class', () => {
- view.class = 'custom-css-class';
- expect( view.element.classList.contains( 'custom-css-class' ) ).to.be.true;
- } );
- } );
- } );
- } );
- } );
- describe( 'render()', () => {
- it( 'starts listening for #keystrokes coming from #element', () => {
- view = new DropdownView( locale,
- new ButtonView( locale ),
- new DropdownPanelView( locale ) );
- const spy = sinon.spy( view.keystrokes, 'listenTo' );
- view.render();
- sinon.assert.calledOnce( spy );
- sinon.assert.calledWithExactly( spy, view.element );
- } );
- it( 'adds #element to #focusTracker', () => {
- view = new DropdownView( locale,
- new ButtonView( locale ),
- new DropdownPanelView( locale ) );
- const spy = sinon.spy( view.focusTracker, 'add' );
- view.render();
- sinon.assert.calledOnce( spy );
- sinon.assert.calledWithExactly( spy, view.element );
- } );
- describe( 'activates keyboard navigation for the dropdown', () => {
- it( 'so "arrowdown" opens the #panelView', () => {
- const keyEvtData = {
- keyCode: keyCodes.arrowdown,
- preventDefault: sinon.spy(),
- stopPropagation: sinon.spy()
- };
- view.buttonView.isEnabled = true;
- view.isOpen = true;
- view.keystrokes.press( keyEvtData );
- sinon.assert.notCalled( keyEvtData.preventDefault );
- sinon.assert.notCalled( keyEvtData.stopPropagation );
- expect( view.isOpen ).to.be.true;
- view.isOpen = false;
- view.keystrokes.press( keyEvtData );
- sinon.assert.calledOnce( keyEvtData.preventDefault );
- sinon.assert.calledOnce( keyEvtData.stopPropagation );
- expect( view.isOpen ).to.be.true;
- } );
- it( 'so "arrowdown" won\'t open the #panelView when #isEnabled is false', () => {
- const keyEvtData = {
- keyCode: keyCodes.arrowdown,
- preventDefault: sinon.spy(),
- stopPropagation: sinon.spy()
- };
- view.buttonView.isEnabled = false;
- view.isOpen = false;
- view.keystrokes.press( keyEvtData );
- sinon.assert.notCalled( keyEvtData.preventDefault );
- sinon.assert.notCalled( keyEvtData.stopPropagation );
- expect( view.isOpen ).to.be.false;
- } );
- it( 'so "arrowright" is blocked', () => {
- const keyEvtData = {
- keyCode: keyCodes.arrowright,
- preventDefault: sinon.spy(),
- stopPropagation: sinon.spy()
- };
- view.false = true;
- view.keystrokes.press( keyEvtData );
- sinon.assert.notCalled( keyEvtData.preventDefault );
- sinon.assert.notCalled( keyEvtData.stopPropagation );
- expect( view.isOpen ).to.be.false;
- view.isOpen = true;
- view.keystrokes.press( keyEvtData );
- sinon.assert.calledOnce( keyEvtData.preventDefault );
- sinon.assert.calledOnce( keyEvtData.stopPropagation );
- expect( view.isOpen ).to.be.true;
- } );
- it( 'so "arrowleft" closes the #panelView', () => {
- const keyEvtData = {
- keyCode: keyCodes.arrowleft,
- preventDefault: sinon.spy(),
- stopPropagation: sinon.spy()
- };
- const spy = sinon.spy( view.buttonView, 'focus' );
- view.isOpen = false;
- view.keystrokes.press( keyEvtData );
- sinon.assert.notCalled( keyEvtData.preventDefault );
- sinon.assert.notCalled( keyEvtData.stopPropagation );
- sinon.assert.notCalled( spy );
- expect( view.isOpen ).to.be.false;
- view.isOpen = true;
- view.keystrokes.press( keyEvtData );
- sinon.assert.calledOnce( keyEvtData.preventDefault );
- sinon.assert.calledOnce( keyEvtData.stopPropagation );
- sinon.assert.calledOnce( spy );
- expect( view.isOpen ).to.be.false;
- } );
- it( 'so "esc" closes the #panelView', () => {
- const keyEvtData = {
- keyCode: keyCodes.esc,
- preventDefault: sinon.spy(),
- stopPropagation: sinon.spy()
- };
- const spy = sinon.spy( view.buttonView, 'focus' );
- view.isOpen = false;
- view.keystrokes.press( keyEvtData );
- sinon.assert.notCalled( keyEvtData.preventDefault );
- sinon.assert.notCalled( keyEvtData.stopPropagation );
- sinon.assert.notCalled( spy );
- expect( view.isOpen ).to.be.false;
- view.isOpen = true;
- view.keystrokes.press( keyEvtData );
- sinon.assert.calledOnce( keyEvtData.preventDefault );
- sinon.assert.calledOnce( keyEvtData.stopPropagation );
- sinon.assert.calledOnce( spy );
- expect( view.isOpen ).to.be.false;
- } );
- } );
- } );
- describe( 'focus()', () => {
- it( 'focuses the #buttonView in DOM', () => {
- const spy = sinon.spy( view.buttonView, 'focus' );
- view.focus();
- sinon.assert.calledOnce( spy );
- } );
- } );
- } );
- function stubElementClientRect( element, data ) {
- const clientRect = Object.assign( {}, data );
- clientRect.right = clientRect.left + clientRect.width;
- clientRect.bottom = clientRect.top + clientRect.height;
- testUtils.sinon.stub( element, 'getBoundingClientRect' ).returns( clientRect );
- }
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