/** * @license Copyright (c) 2003-2019, CKSource - Frederico Knabben. All rights reserved. * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license */ /* global document, window */ import ClassicTestEditor from '@ckeditor/ckeditor5-core/tests/_utils/classictesteditor'; import ParagraphPlugin from '@ckeditor/ckeditor5-paragraph/src/paragraph'; import ImagePlugin from '../../src/image'; import ImageStyle from '../../src/imagestyle'; import { getData } from '@ckeditor/ckeditor5-engine/src/dev-utils/model'; describe.only( 'Image resizer', () => { const FIXTURE_WIDTH = 100; const FIXTURE_HEIGHT = 50; const MOUSE_BUTTON_MAIN = 0; // Id of left mouse button. // 60x30 black png image const imageFixture = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGQAAAAyCAQAAAAAPLY1AAAAQklEQVR42u3PQREAAAgDoK1/' + 'aM3g14MGNJMXKiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiIiJysRFNMgH0RpujAAAAAElFTkSuQmCC'; let editor, view, viewDocument, editorElement; beforeEach( () => { editorElement = document.createElement( 'div' ); editorElement.innerHTML = `

foo

`; document.body.appendChild( editorElement ); return ClassicTestEditor .create( editorElement, { plugins: [ ImagePlugin, ImageStyle, ParagraphPlugin ] } ) .then( newEditor => { editor = newEditor; view = editor.editing.view; viewDocument = view.document; } ); } ); afterEach( () => { editorElement.remove(); return editor.destroy(); } ); describe( 'visual resizers', () => { it( 'correct amount is added by default', () => { const resizers = document.querySelectorAll( '.ck-widget__resizer' ); expect( resizers.length ).to.be.equal( 4 ); } ); describe( 'visibility', () => { it( 'is hidden by default', () => { const allResizers = document.querySelectorAll( '.ck-widget__resizer' ); for ( const resizer of allResizers ) { expect( isVisible( resizer ) ).to.be.false; } } ); it( 'is shown when image is focused', () => { const widget = viewDocument.getRoot().getChild( 1 ); const allResizers = document.querySelectorAll( '.ck-widget__resizer' ); const domEventDataMock = { target: widget, preventDefault: sinon.spy() }; viewDocument.fire( 'mousedown', domEventDataMock ); for ( const resizer of allResizers ) { expect( isVisible( resizer ) ).to.be.true; } } ); } ); } ); describe( 'standard image', () => { let widget; beforeEach( async () => { await editor.setData( `

foo

` ); widget = viewDocument.getRoot().getChild( 1 ); const domEventDataMock = { target: widget, preventDefault: sinon.spy() }; viewDocument.fire( 'mousedown', domEventDataMock ); } ); it( 'shrinks correctly with left-bottom handler', generateResizeTest( { expectedWidth: 80, pointerOffset: { x: 10, y: -10 }, resizerPosition: 'bottom-left' } ) ); it( 'shrinks correctly with right-bottom handler', generateResizeTest( { expectedWidth: 80, pointerOffset: { x: -10, y: -10 }, resizerPosition: 'bottom-right' } ) ); it( 'enlarges correctly with right-bottom handler, x axis only', generateResizeTest( { expectedWidth: 110, pointerOffset: { x: 10, y: 0 }, resizerPosition: 'bottom-right' } ) ); it( 'enlarges correctly with right-bottom handler, y axis only', generateResizeTest( { expectedWidth: 120, pointerOffset: { x: 0, y: 10 }, resizerPosition: 'bottom-right' } ) ); it( 'enlarges correctly with left-bottom handler, x axis only', generateResizeTest( { expectedWidth: 110, pointerOffset: { x: -10, y: 0 }, resizerPosition: 'bottom-left' } ) ); it( 'enlarges correctly with left-bottom handler, y axis only', generateResizeTest( { expectedWidth: 120, pointerOffset: { x: 0, y: 10 }, resizerPosition: 'bottom-left' } ) ); // --- top handlers --- it( 'enlarges correctly with left-top handler', generateResizeTest( { expectedWidth: 120, pointerOffset: { x: -10, y: -10 }, resizerPosition: 'top-left' } ) ); it( 'enlarges correctly with left-top handler, y axis only', generateResizeTest( { expectedWidth: 120, pointerOffset: { x: 0, y: -10 }, resizerPosition: 'top-left' } ) ); it( 'enlarges correctly with right-top handler', generateResizeTest( { expectedWidth: 120, pointerOffset: { x: 10, y: -10 }, resizerPosition: 'top-right' } ) ); it( 'enlarges correctly with left-right handler, y axis only', generateResizeTest( { expectedWidth: 120, pointerOffset: { x: 0, y: -10 }, resizerPosition: 'top-right' } ) ); function generateResizeTest( options ) { // options.resizerPosition - top-left / top-right / bottom-right / bottom-left // options.pointerOffset - object - pointer offset relative to the dragged corner. Negative values are perfectly fine. // e.g. { x: 10, y: -5 } // options.expectedWidth // Returns a test case that puts return () => { const domResizeWrapper = view.domConverter.mapViewToDom( widget.getChild( 1 ) ); const domBottomLeftResizer = domResizeWrapper.querySelector( `.ck-widget__resizer-${ options.resizerPosition }` ); const domImage = view.domConverter.mapViewToDom( widget ).querySelector( 'img' ); const imageTopLeftPosition = getElementPosition( domImage ); const resizerPositionParts = options.resizerPosition.split( '-' ); const initialPointerPosition = { pageX: imageTopLeftPosition.x, pageY: imageTopLeftPosition.y }; if ( resizerPositionParts.includes( 'right' ) ) { initialPointerPosition.pageX += FIXTURE_WIDTH; } if ( resizerPositionParts.includes( 'bottom' ) ) { initialPointerPosition.pageY += FIXTURE_HEIGHT; } const finishPointerPosition = Object.assign( {}, initialPointerPosition ); finishPointerPosition.pageX += options.pointerOffset.x || 0; finishPointerPosition.pageY += options.pointerOffset.y || 0; fireMouseEvent( domBottomLeftResizer, 'mousedown', initialPointerPosition ); fireMouseEvent( domBottomLeftResizer, 'mousemove', initialPointerPosition ); // We need to wait as mousemove events are throttled. return wait( 30 ) .then( () => { fireMouseEvent( domBottomLeftResizer, 'mousemove', finishPointerPosition ); expect( domImage.width ).to.be.closeTo( options.expectedWidth, 1 ); fireMouseEvent( domBottomLeftResizer, 'mouseup', finishPointerPosition ); expect( getData( editor.model, { withoutSelection: true } ) ).to.match( /foo<\/paragraph><\/image>/ ); const modelItem = editor.model.document.getRoot().getChild( 1 ); expect( modelItem.getAttribute( 'width' ) ).to.be.closeTo( options.expectedWidth, 1, 'Model check' ); } ); }; } } ); describe( 'side image', () => { let widget; beforeEach( async () => { await editor.setData( `

foo

` ); widget = viewDocument.getRoot().getChild( 1 ); const domEventDataMock = { target: widget, preventDefault: sinon.spy() }; viewDocument.fire( 'mousedown', domEventDataMock ); } ); it( 'shrinks correctly with left-bottom handler', () => { const expectedWidth = 80; const domResizeWrapper = view.domConverter.mapViewToDom( widget.getChild( 1 ) ); const domBottomLeftResizer = domResizeWrapper.querySelector( '.ck-widget__resizer-bottom-left' ); const domImage = view.domConverter.mapViewToDom( widget ).querySelector( 'img' ); const imageTopLeftPosition = getElementPosition( domImage ); const initialPointerPosition = { pageX: imageTopLeftPosition.x, pageY: imageTopLeftPosition.y + FIXTURE_HEIGHT }; const finishPointerPosition = { pageX: imageTopLeftPosition.x + 20, pageY: imageTopLeftPosition.y + FIXTURE_HEIGHT - 10 }; fireMouseEvent( domBottomLeftResizer, 'mousedown', initialPointerPosition ); fireMouseEvent( domBottomLeftResizer, 'mousemove', initialPointerPosition ); // We need to wait as mousemove events are throttled. return wait( 30 ) .then( () => { fireMouseEvent( domBottomLeftResizer, 'mousemove', finishPointerPosition ); expect( domImage.width ).to.be.closeTo( expectedWidth, 1, 'View width check' ); fireMouseEvent( domBottomLeftResizer, 'mouseup', finishPointerPosition ); expect( getData( editor.model, { withoutSelection: true } ) ).to.match( /foo<\/paragraph><\/image>/ ); const modelItem = editor.model.document.getRoot().getChild( 1 ); expect( modelItem.getAttribute( 'width' ) ).to.be.closeTo( expectedWidth, 1, 'Model check' ); } ); } ); it( 'shrinks correctly with right-bottom handler', () => { const expectedWidth = 80; const domResizeWrapper = view.domConverter.mapViewToDom( widget.getChild( 1 ) ); const domBottomLeftResizer = domResizeWrapper.querySelector( '.ck-widget__resizer-bottom-left' ); const domImage = view.domConverter.mapViewToDom( widget ).querySelector( 'img' ); const imageTopLeftPosition = getElementPosition( domImage ); const initialPointerPosition = { pageX: imageTopLeftPosition.x + FIXTURE_WIDTH, pageY: imageTopLeftPosition.y + FIXTURE_HEIGHT }; const finishPointerPosition = { pageX: imageTopLeftPosition.x + FIXTURE_WIDTH - 20, pageY: imageTopLeftPosition.y + FIXTURE_HEIGHT - 10 }; fireMouseEvent( domBottomLeftResizer, 'mousedown', initialPointerPosition ); fireMouseEvent( domBottomLeftResizer, 'mousemove', initialPointerPosition ); // We need to wait as mousemove events are throttled. return wait( 30 ) .then( () => { fireMouseEvent( domBottomLeftResizer, 'mousemove', finishPointerPosition ); expect( domImage.width ).to.be.closeTo( expectedWidth, 1 ); fireMouseEvent( domBottomLeftResizer, 'mouseup', finishPointerPosition ); expect( getData( editor.model, { withoutSelection: true } ) ).to.match( /foo<\/paragraph><\/image>/ ); const modelItem = editor.model.document.getRoot().getChild( 1 ); expect( modelItem.getAttribute( 'width' ) ).to.be.closeTo( expectedWidth, 1, 'Model check' ); } ); } ); } ); function isVisible( element ) { // Checks if the DOM element is visible to the end user. return element.offsetParent !== null; } function fireMouseEvent( target, eventType, eventData ) { // Using initMouseEvent instead of MouseEvent constructor, as MouseEvent constructor doesn't support passing pageX // and pageY. See https://stackoverflow.com/questions/45843458/setting-click-events-pagex-and-pagey-always-reverts-to-0 // However there's still a problem, that events created with `initMouseEvent` have **floored** pageX, pageY numbers. const event = document.createEvent( 'MouseEvent' ); event.initMouseEvent( eventType, true, true, window, null, 0, 0, eventData.pageX, eventData.pageY, false, false, false, false, MOUSE_BUTTON_MAIN, null ); target.dispatchEvent( event ); } function getElementPosition( element ) { // Returns top left corner point. const viewportPosition = element.getBoundingClientRect(); return { x: viewportPosition.left + window.scrollX, y: viewportPosition.top + window.scrollY }; } function wait( delay ) { return new Promise( resolve => window.setTimeout( () => resolve(), delay ) ); } } );