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- /**
- * @license Copyright (c) 2003-2020, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
- */
- /* globals document, Event */
- import WidgetResize from '../src/widgetresize';
- // ClassicTestEditor can't be used, as it doesn't handle the focus, which is needed to test resizer visual cues.
- import ClassicEditor from '@ckeditor/ckeditor5-editor-classic/src/classiceditor';
- import ArticlePluginSet from '@ckeditor/ckeditor5-core/tests/_utils/articlepluginset';
- import { toWidget } from '../src/utils';
- import { setData as setModelData } from '@ckeditor/ckeditor5-engine/src/dev-utils/model';
- import Rect from '@ckeditor/ckeditor5-utils/src/dom/rect';
- import { mouseMock, Point } from './widgetresize/_utils/utils';
- describe( 'WidgetResize', () => {
- let editor, editorElement, widget, mouseListenerSpies;
- const commitStub = sinon.stub();
- before( () => {
- mouseListenerSpies = {
- down: sinon.spy( WidgetResize.prototype, '_mouseDownListener' ),
- move: sinon.spy( WidgetResize.prototype, '_mouseMoveListener' ),
- up: sinon.spy( WidgetResize.prototype, '_mouseUpListener' )
- };
- } );
- after( () => {
- for ( const stub of Object.values( mouseListenerSpies ) ) {
- stub.restore();
- }
- } );
- beforeEach( async () => {
- editorElement = createEditorElement();
- editor = await createEditor( editorElement );
- setModelData( editor.model, '[<widget></widget>]' );
- focusEditor( editor );
- widget = editor.editing.view.document.getRoot().getChild( 0 );
- for ( const stub of Object.values( mouseListenerSpies ) ) {
- stub.resetHistory();
- }
- commitStub.resetHistory();
- // It's crucial to have a precisely defined editor size for this test suite.
- editor.editing.view.change( writer => {
- const viewEditableRoot = editor.editing.view.document.getRoot();
- writer.setAttribute( 'style', 'width: 400px; padding: 0px; overflow: hidden', viewEditableRoot );
- } );
- } );
- afterEach( () => {
- editorElement.remove();
- if ( editor ) {
- return editor.destroy();
- }
- } );
- describe( 'plugin', () => {
- it( 'is loaded', () => {
- expect( editor.plugins.get( WidgetResize ) ).to.be.instanceOf( WidgetResize );
- } );
- } );
- describe( 'mouse listeners', () => {
- beforeEach( () => {
- createResizer();
- } );
- it( 'don\'t break when called with unexpected element', () => {
- const unrelatedElement = document.createElement( 'div' );
- editor.plugins.get( WidgetResize )._mouseDownListener( {}, {
- target: unrelatedElement
- } );
- } );
- it( 'passes new width to the options.onCommit()', () => {
- const usedResizer = 'top-right';
- const domParts = getWidgetDomParts( widget, usedResizer );
- const initialPointerPosition = getHandleCenterPoint( domParts.widget, usedResizer );
- const finalPointerPosition = initialPointerPosition.clone().moveBy( 20, 0 );
- mouseMock.dragTo( editor, domParts.resizeHandle, finalPointerPosition );
- expect( commitStub.callCount ).to.be.equal( 1 );
- sinon.assert.calledWithExactly( commitStub, '120px' );
- } );
- } );
- it( 'are detached when plugin is destroyed', async () => {
- await editor.destroy();
- const plugin = editor.plugins.get( WidgetResize );
- editor = null;
- const event = new Event( 'mousedown', { bubbles: true } );
- document.body.dispatchEvent( event );
- // Ensure nothing got called.
- expect( plugin._mouseDownListener.callCount ).to.be.equal( 0 );
- } );
- it( 'nothing bad happens if activeResizer got unset', () => {
- createResizer( {
- isCentered: () => true
- } );
- const usedResizer = 'top-right';
- const domParts = getWidgetDomParts( widget, usedResizer );
- const initialPointerPosition = getHandleCenterPoint( domParts.widget, usedResizer );
- editor.plugins.get( WidgetResize )._getResizerByHandle = sinon.stub().returns( null );
- mouseMock.dragTo( editor, domParts.resizeHandle, initialPointerPosition );
- // No exception should be thrown.
- } );
- describe( 'visibility', () => {
- beforeEach( () => {
- createResizer();
- } );
- it( 'it\'s hidden by default', () => {
- const allResizers = editor.ui.getEditableElement().querySelectorAll( '.ck-widget__resizer__handle' );
- // Since widget is already focused, move the selection out of it.
- editor.model.change( writer => {
- const modelWidget = editor.editing.mapper.toModelElement( widget );
- writer.setSelection( modelWidget, 'before' );
- } );
- for ( const resizer of allResizers ) {
- expect( isVisible( resizer ) ).to.be.false;
- }
- } );
- it( 'it\'s visible once widget is focused', () => {
- // Widget is focused by default.
- const allResizers = editor.ui.getEditableElement().querySelectorAll( '.ck-widget__resizer__handle' );
- for ( const resizer of allResizers ) {
- expect( isVisible( resizer ) ).to.be.true;
- }
- } );
- function isVisible( element ) {
- // Checks if the DOM element is visible to the end user.
- return element.offsetParent !== null && !element.classList.contains( 'ck-hidden' );
- }
- } );
- describe( 'integration (pixels)', () => {
- describe( 'aligned widget', () => {
- beforeEach( () => {
- createResizer();
- } );
- it( 'properly sets the state for subsequent resizes', () => {
- const usedResizer = 'top-right';
- const domParts = getWidgetDomParts( widget, usedResizer );
- const initialPointerPosition = getHandleCenterPoint( domParts.widget, usedResizer );
- const intermediatePointerPosition = initialPointerPosition.clone().moveBy( 50, 0 );
- mouseMock.dragTo( editor, domParts.resizeHandle, intermediatePointerPosition );
- sinon.assert.calledWithExactly( commitStub.firstCall, '150px' );
- const finalPointerPosition = intermediatePointerPosition.clone().moveBy( 50, 0 );
- mouseMock.dragTo( editor, domParts.resizeHandle, finalPointerPosition );
- sinon.assert.calledWithExactly( commitStub.secondCall, '200px' );
- expect( commitStub.callCount ).to.be.equal( 2 );
- } );
- it( 'shrinks correctly with left-bottom handler', generateResizeTest( {
- usedHandle: 'bottom-left',
- movePointerBy: { x: 20, y: -10 },
- expectedWidth: '80px'
- } ) );
- it( 'shrinks correctly with right-bottom handler', generateResizeTest( {
- usedHandle: 'bottom-right',
- movePointerBy: { x: -20, y: -10 },
- expectedWidth: '80px'
- } ) );
- it( 'shrinks correctly with left-top handler', generateResizeTest( {
- usedHandle: 'top-left',
- movePointerBy: { x: 20, y: 10 },
- expectedWidth: '80px'
- } ) );
- it( 'shrinks correctly with right-top handler', generateResizeTest( {
- usedHandle: 'top-right',
- movePointerBy: { x: -20, y: 10 },
- expectedWidth: '80px'
- } ) );
- it( 'enlarges correctly with left-bottom handler', generateResizeTest( {
- usedHandle: 'bottom-left',
- movePointerBy: { x: -10, y: 10 },
- expectedWidth: '120px'
- } ) );
- it( 'enlarges correctly with right-bottom handler', generateResizeTest( {
- usedHandle: 'bottom-right',
- movePointerBy: { x: 10, y: 10 },
- expectedWidth: '120px'
- } ) );
- it( 'enlarges correctly with right-bottom handler, y axis only', generateResizeTest( {
- usedHandle: 'bottom-right',
- movePointerBy: { x: 0, y: 20 },
- expectedWidth: '140px'
- } ) );
- it( 'enlarges correctly with right-bottom handler, x axis only', generateResizeTest( {
- usedHandle: 'bottom-right',
- movePointerBy: { x: 40, y: 0 },
- expectedWidth: '140px'
- } ) );
- it( 'enlarges correctly with left-top handler', generateResizeTest( {
- usedHandle: 'top-left',
- movePointerBy: { x: -20, y: -10 },
- expectedWidth: '120px'
- } ) );
- it( 'enlarges correctly with right-top handler', generateResizeTest( {
- usedHandle: 'top-right',
- movePointerBy: { x: 20, y: 10 },
- expectedWidth: '120px'
- } ) );
- } );
- describe( 'centered widget', () => {
- beforeEach( () => {
- createResizer( {
- isCentered: () => true
- } );
- } );
- it( 'shrinks correctly with left-bottom handler', generateResizeTest( {
- usedHandle: 'bottom-left',
- movePointerBy: { x: 10, y: -10 },
- expectedWidth: '80px'
- } ) );
- it( 'shrinks correctly with right-bottom handler', generateResizeTest( {
- usedHandle: 'bottom-right',
- movePointerBy: { x: -10, y: -10 },
- expectedWidth: '80px'
- } ) );
- it( 'enlarges correctly with right-bottom handler, x axis only', generateResizeTest( {
- usedHandle: 'bottom-right',
- movePointerBy: { x: 10, y: 0 },
- expectedWidth: '120px'
- } ) );
- it( 'enlarges correctly with right-bottom handler, y axis only', generateResizeTest( {
- usedHandle: 'bottom-right',
- movePointerBy: { x: 0, y: 10 },
- expectedWidth: '120px'
- } ) );
- it( 'enlarges correctly with left-bottom handler, x axis only', generateResizeTest( {
- usedHandle: 'bottom-left',
- movePointerBy: { x: -10, y: 0 },
- expectedWidth: '120px'
- } ) );
- it( 'enlarges correctly with left-bottom handler, y axis only', generateResizeTest( {
- usedHandle: 'bottom-left',
- movePointerBy: { x: 0, y: 10 },
- expectedWidth: '120px'
- } ) );
- // --- top handlers ---
- it( 'enlarges correctly with left-top handler', generateResizeTest( {
- usedHandle: 'top-left',
- movePointerBy: { x: -10, y: -10 },
- expectedWidth: '120px'
- } ) );
- it( 'enlarges correctly with left-top handler, y axis only', generateResizeTest( {
- usedHandle: 'top-left',
- movePointerBy: { x: 0, y: -10 },
- expectedWidth: '120px'
- } ) );
- it( 'enlarges correctly with right-top handler', generateResizeTest( {
- usedHandle: 'top-right',
- movePointerBy: { x: 10, y: -10 },
- expectedWidth: '120px'
- } ) );
- it( 'enlarges correctly with right-top handler, y axis only', generateResizeTest( {
- usedHandle: 'top-right',
- movePointerBy: { x: 0, y: -10 },
- expectedWidth: '120px'
- } ) );
- } );
- } );
- describe( 'integration (percents)', () => {
- describe( 'side aligned widget', () => {
- beforeEach( () => {
- createResizer( {
- unit: undefined
- } );
- } );
- it( 'properly sets the state for subsequent resizes', () => {
- const usedResizer = 'top-right';
- const domParts = getWidgetDomParts( widget, usedResizer );
- const initialPointerPosition = getHandleCenterPoint( domParts.widget, usedResizer );
- const intermediatePointerPosition = initialPointerPosition.clone().moveBy( 100, 0 );
- mouseMock.dragTo( editor, domParts.resizeHandle, intermediatePointerPosition );
- sinon.assert.calledWithExactly( commitStub.firstCall, '50%' );
- const finalPointerPosition = intermediatePointerPosition.clone().moveBy( 100, 0 );
- mouseMock.dragTo( editor, domParts.resizeHandle, finalPointerPosition );
- sinon.assert.calledWithExactly( commitStub.secondCall, '75%' );
- expect( commitStub.callCount ).to.be.equal( 2 );
- } );
- it( 'shrinks correctly with bottom-left handler', generateResizeTest( {
- usedHandle: 'bottom-left',
- movePointerBy: { x: 10, y: -10 },
- expectedWidth: '22.5%'
- } ) );
- } );
- describe( 'centered widget', () => {
- beforeEach( () => {
- createResizer( {
- isCentered: () => true,
- unit: undefined
- } );
- } );
- it( 'shrinks correctly with bottom-left handler', generateResizeTest( {
- usedHandle: 'bottom-left',
- movePointerBy: { x: 10, y: -10 },
- expectedWidth: '20%'
- } ) );
- it( 'enlarges correctly with bottom-right handler', generateResizeTest( {
- usedHandle: 'bottom-right',
- movePointerBy: { x: 0, y: 5 },
- expectedWidth: '27.5%'
- } ) );
- it( 'enlarges correctly an image with unsupported width unit', () => {
- editor.editing.view.change( writer => {
- writer.setStyle( 'width', '100pt', widget );
- } );
- generateResizeTest( {
- usedHandle: 'bottom-right',
- movePointerBy: { x: 0, y: 5 },
- expectedWidth: '36.67%'
- } )();
- } );
- } );
- } );
- /**
- * @param {Object} options
- * @param {String} options.usedHandle Handle that should be used for resize, e.g. 'bottom-right'.
- * @param {Object} options.movePointerBy How much should the pointer move during the drag compared to the initial position.
- * @param {String} options.expectedWidth
- */
- function generateResizeTest( options ) {
- return () => {
- options = options || {};
- const usedHandle = options.usedHandle;
- const domParts = getWidgetDomParts( widget, usedHandle );
- const initialPointerPosition = getHandleCenterPoint( domParts.widget, usedHandle );
- const pointerDifference = options.movePointerBy;
- const finalPointerPosition = initialPointerPosition.moveBy( pointerDifference.x, pointerDifference.y );
- mouseMock.dragTo( editor, domParts.resizeHandle, finalPointerPosition );
- expect( commitStub.callCount, 'call count' ).to.be.eql( 1 );
- expect( commitStub.args[ 0 ][ 0 ], 'width' ).to.be.equal( options.expectedWidth );
- sinon.assert.calledOnce( commitStub );
- };
- }
- function createEditor( element ) {
- return ClassicEditor
- .create( element, {
- plugins: [
- ArticlePluginSet, WidgetResize, simpleWidgetPlugin
- ]
- } );
- function simpleWidgetPlugin( editor ) {
- editor.model.schema.register( 'widget', {
- inheritAllFrom: '$block',
- isObject: true
- } );
- editor.conversion.for( 'downcast' )
- .elementToElement( {
- model: 'widget',
- view: ( modelItem, viewWriter ) => {
- const div = viewWriter.createContainerElement( 'div' );
- viewWriter.setStyle( 'height', '50px', div );
- viewWriter.setStyle( 'width', '25%', div ); // It evaluates to 100px.
- return toWidget( div, viewWriter, {
- label: 'element label'
- } );
- }
- } );
- }
- }
- function createEditorElement() {
- const element = document.createElement( 'div' );
- document.body.appendChild( element );
- return element;
- }
- function createResizer( resizerOptions ) {
- const widgetModel = editor.model.document.getRoot().getChild( 0 );
- const defaultOptions = {
- unit: 'px',
- modelElement: widgetModel,
- viewElement: widget,
- editor,
- isCentered: () => false,
- getHandleHost( domWidgetElement ) {
- return domWidgetElement;
- },
- getResizeHost( domWidgetElement ) {
- return domWidgetElement;
- },
- onCommit: commitStub
- };
- return editor.plugins.get( WidgetResize ).attachTo( Object.assign( defaultOptions, resizerOptions ) );
- }
- function getWidgetDomParts( widget, resizerPosition ) {
- const view = editor.editing.view;
- const resizeWrapper = view.domConverter.mapViewToDom( widget.getChild( 0 ) );
- return {
- resizeWrapper,
- resizeHandle: resizeWrapper.querySelector( `.ck-widget__resizer__handle-${ resizerPosition }` ),
- widget: view.domConverter.mapViewToDom( widget )
- };
- }
- /**
- * Returns a center point for a given handle.
- *
- * @param {HTMLElement} domWrapper Wrapper of an element that contains the resizer.
- * @param {String} [handlePosition='top-left']
- * @returns {Point}
- */
- function getHandleCenterPoint( domWrapper, handlePosition ) {
- const wrapperRect = new Rect( domWrapper );
- const returnValue = new Point( wrapperRect.left, wrapperRect.top );
- const cornerPositionParts = handlePosition.split( '-' );
- if ( cornerPositionParts.includes( 'right' ) ) {
- returnValue.x = wrapperRect.right;
- }
- if ( cornerPositionParts.includes( 'bottom' ) ) {
- returnValue.y = wrapperRect.bottom;
- }
- return returnValue;
- }
- function focusEditor( editor ) {
- editor.editing.view.focus();
- editor.ui.focusTracker.isFocused = true;
- }
- } );
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