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- /**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
- * For licensing, see LICENSE.md.
- */
- /* bender-tags: treemodel */
- 'use strict';
- import Document from '/ckeditor5/core/treemodel/document.js';
- import Element from '/ckeditor5/core/treemodel/element.js';
- import Text from '/ckeditor5/core/treemodel/text.js';
- import Range from '/ckeditor5/core/treemodel/range.js';
- import Position from '/ckeditor5/core/treemodel/position.js';
- import LiveRange from '/ckeditor5/core/treemodel/liverange.js';
- import Selection from '/ckeditor5/core/treemodel/selection.js';
- import InsertOperation from '/ckeditor5/core/treemodel/operation/insertoperation.js';
- import MoveOperation from '/ckeditor5/core/treemodel/operation/moveoperation.js';
- import CKEditorError from '/ckeditor5/core/ckeditorerror.js';
- describe( 'Selection', () => {
- let attrFooBar;
- before( () => {
- attrFooBar = { foo: 'bar' };
- } );
- let doc, root, selection, liveRange, range;
- beforeEach( () => {
- doc = new Document();
- root = doc.createRoot( 'root' );
- root.insertChildren( 0, [
- new Element( 'p' ),
- new Element( 'p' ),
- new Element( 'p', [], 'foobar' ),
- new Element( 'p' ),
- new Element( 'p' ),
- new Element( 'p' ),
- new Element( 'p', [], 'foobar' )
- ] );
- selection = doc.selection;
- liveRange = new LiveRange( new Position( root, [ 0 ] ), new Position( root, [ 1 ] ) );
- range = new Range( new Position( root, [ 2 ] ), new Position( root, [ 2, 2 ] ) );
- } );
- afterEach( () => {
- doc.detach();
- liveRange.detach();
- } );
- it( 'should be set to default range when just created', () => {
- let ranges = selection.getRanges();
- expect( ranges.length ).to.equal( 1 );
- expect( selection.anchor.isEqual( new Position( root, [ 0 ] ) ) ).to.be.true;
- expect( selection.focus.isEqual( new Position( root, [ 0 ] ) ) ).to.be.true;
- expect( selection._attrs ).to.be.instanceof( Map );
- expect( selection._attrs.size ).to.equal( 0 );
- } );
- describe( 'isCollapsed', () => {
- it( 'should be true if all ranges are collapsed', () => {
- selection.addRange( new Range( new Position( root, [ 0 ] ), new Position( root, [ 0 ] ) ) );
- expect( selection.isCollapsed ).to.be.true;
- } );
- it( 'should be false when it has a range that is not collapsed', () => {
- selection.addRange( range );
- expect( selection.isCollapsed ).to.be.false;
- selection.addRange( new Range( new Position( root, [ 0 ] ), new Position( root, [ 0 ] ) ) );
- expect( selection.isCollapsed ).to.be.false;
- } );
- } );
- it( 'should copy added ranges and store multiple ranges', () => {
- selection.addRange( liveRange );
- selection.addRange( range );
- let ranges = selection.getRanges();
- expect( ranges.length ).to.equal( 2 );
- expect( ranges[ 0 ].isEqual( liveRange ) ).to.be.true;
- expect( ranges[ 1 ].isEqual( range ) ).to.be.true;
- expect( ranges[ 0 ] ).not.to.be.equal( liveRange );
- expect( ranges[ 1 ] ).not.to.be.equal( range );
- } );
- it( 'should set anchor and focus to the start and end of the most recently added range', () => {
- selection.addRange( liveRange );
- expect( selection.anchor.path ).to.deep.equal( [ 0 ] );
- expect( selection.focus.path ).to.deep.equal( [ 1 ] );
- selection.addRange( range );
- expect( selection.anchor.path ).to.deep.equal( [ 2 ] );
- expect( selection.focus.path ).to.deep.equal( [ 2, 2 ] );
- } );
- it( 'should set anchor and focus to the end and start of the most recently added range if backward flag was used', () => {
- selection.addRange( liveRange, true );
- expect( selection.anchor.path ).to.deep.equal( [ 1 ] );
- expect( selection.focus.path ).to.deep.equal( [ 0 ] );
- selection.addRange( range, true );
- expect( selection.anchor.path ).to.deep.equal( [ 2, 2 ] );
- expect( selection.focus.path ).to.deep.equal( [ 2 ] );
- } );
- it( 'should return a copy of (not a reference to) array of stored ranges', () => {
- selection.addRange( liveRange );
- let ranges = selection.getRanges();
- selection.addRange( range );
- expect( ranges.length ).to.equal( 1 );
- expect( ranges[ 0 ].isEqual( liveRange ) ).to.be.true;
- } );
- it( 'should convert added Range to LiveRange', () => {
- selection.addRange( range );
- let ranges = selection.getRanges();
- expect( ranges[ 0 ] ).to.be.instanceof( LiveRange );
- } );
- it( 'should fire update event when adding a range', () => {
- let spy = sinon.spy();
- selection.on( 'update', spy );
- selection.addRange( range );
- expect( spy.called ).to.be.true;
- } );
- it( 'should unbind all events when detached', () => {
- selection.addRange( liveRange );
- selection.addRange( range );
- let ranges = selection.getRanges();
- sinon.spy( ranges[ 0 ], 'detach' );
- sinon.spy( ranges[ 1 ], 'detach' );
- selection.detach();
- expect( ranges[ 0 ].detach.called ).to.be.true;
- expect( ranges[ 1 ].detach.called ).to.be.true;
- ranges[ 0 ].detach.restore();
- ranges[ 1 ].detach.restore();
- } );
- it( 'should throw an error if added range intersects with already stored range', () => {
- selection.addRange( liveRange );
- expect( () => {
- selection.addRange(
- new Range(
- new Position( root, [ 0, 4 ] ),
- new Position( root, [ 1, 2 ] )
- )
- );
- } ).to.throw( CKEditorError, /selection-range-intersects/ );
- } );
- describe( 'removeAllRanges', () => {
- let spy, ranges;
- beforeEach( () => {
- selection.addRange( liveRange );
- selection.addRange( range );
- spy = sinon.spy();
- selection.on( 'update', spy );
- ranges = selection.getRanges();
- sinon.spy( ranges[ 0 ], 'detach' );
- sinon.spy( ranges[ 1 ], 'detach' );
- selection.removeAllRanges();
- } );
- afterEach( () => {
- ranges[ 0 ].detach.restore();
- ranges[ 1 ].detach.restore();
- } );
- it( 'should remove all stored ranges (and reset to default range)', () => {
- expect( selection.getRanges().length ).to.equal( 1 );
- expect( selection.anchor.isEqual( new Position( root, [ 0 ] ) ) ).to.be.true;
- expect( selection.focus.isEqual( new Position( root, [ 0 ] ) ) ).to.be.true;
- } );
- it( 'should fire exactly one update event', () => {
- expect( spy.calledOnce ).to.be.true;
- } );
- it( 'should detach removed ranges', () => {
- expect( ranges[ 0 ].detach.called ).to.be.true;
- expect( ranges[ 1 ].detach.called ).to.be.true;
- } );
- } );
- describe( 'setRanges', () => {
- let newRanges, spy, oldRanges;
- before( () => {
- newRanges = [
- new Range( new Position( root, [ 4 ] ), new Position( root, [ 5 ] ) ),
- new Range( new Position( root, [ 5, 0 ] ), new Position( root, [ 6, 0 ] ) )
- ];
- } );
- beforeEach( () => {
- selection.addRange( liveRange );
- selection.addRange( range );
- spy = sinon.spy();
- selection.on( 'update', spy );
- oldRanges = selection.getRanges();
- sinon.spy( oldRanges[ 0 ], 'detach' );
- sinon.spy( oldRanges[ 1 ], 'detach' );
- } );
- afterEach( () => {
- oldRanges[ 0 ].detach.restore();
- oldRanges[ 1 ].detach.restore();
- } );
- it( 'should remove all ranges and add given ranges', () => {
- selection.setRanges( newRanges );
- let ranges = selection.getRanges();
- expect( ranges.length ).to.equal( 2 );
- expect( ranges[ 0 ].isEqual( newRanges[ 0 ] ) ).to.be.true;
- expect( ranges[ 1 ].isEqual( newRanges[ 1 ] ) ).to.be.true;
- } );
- it( 'should use last range from given array to get anchor and focus position', () => {
- selection.setRanges( newRanges );
- expect( selection.anchor.path ).to.deep.equal( [ 5, 0 ] );
- expect( selection.focus.path ).to.deep.equal( [ 6, 0 ] );
- } );
- it( 'should acknowledge backward flag when setting anchor and focus', () => {
- selection.setRanges( newRanges, true );
- expect( selection.anchor.path ).to.deep.equal( [ 6, 0 ] );
- expect( selection.focus.path ).to.deep.equal( [ 5, 0 ] );
- } );
- it( 'should fire exactly one update event', () => {
- selection.setRanges( newRanges );
- expect( spy.calledOnce ).to.be.true;
- } );
- it( 'should detach removed LiveRanges', () => {
- selection.setRanges( newRanges );
- expect( oldRanges[ 0 ].detach.called ).to.be.true;
- expect( oldRanges[ 1 ].detach.called ).to.be.true;
- } );
- } );
- describe( 'getFirstRange', () => {
- it( 'should return a range which start position is before all other ranges\' start positions', () => {
- // This will not be the first range despite being added as first
- selection.addRange( new Range( new Position( root, [ 4 ] ), new Position( root, [ 5 ] ) ) );
- // This should be the first range.
- selection.addRange( new Range( new Position( root, [ 1 ] ), new Position( root, [ 4 ] ) ) );
- // A random range that is not first.
- selection.addRange( new Range( new Position( root, [ 6 ] ), new Position( root, [ 7 ] ) ) );
- let range = selection.getFirstRange();
- expect( range.start.path ).to.deep.equal( [ 1 ] );
- expect( range.end.path ).to.deep.equal( [ 4 ] );
- } );
- } );
- describe( 'getFirstPosition', () => {
- it( 'should return a position that is in selection and is before any other position from the selection', () => {
- // This will not be a range containing the first position despite being added as first
- selection.addRange( new Range( new Position( root, [ 4 ] ), new Position( root, [ 5 ] ) ) );
- // This should be the first range.
- selection.addRange( new Range( new Position( root, [ 1 ] ), new Position( root, [ 4 ] ) ) );
- // A random range that is not first.
- selection.addRange( new Range( new Position( root, [ 6 ] ), new Position( root, [ 7 ] ) ) );
- let position = selection.getFirstPosition();
- expect( position.path ).to.deep.equal( [ 1 ] );
- } );
- } );
- // Selection uses LiveRanges so here are only simple test to see if integration is
- // working well, without getting into complicated corner cases.
- describe( 'after applying an operation should get updated and not fire update event', () => {
- let spy;
- beforeEach( () => {
- root.insertChildren( 0, [ new Element( 'ul', [], 'abcdef' ), new Element( 'p', [], 'foobar' ), 'xyz' ] );
- selection.addRange( new Range( new Position( root, [ 0, 2 ] ), new Position( root, [ 1, 4 ] ) ) );
- spy = sinon.spy();
- selection.on( 'update', spy );
- } );
- describe( 'InsertOperation', () => {
- it( 'before selection', () => {
- doc.applyOperation(
- new InsertOperation(
- new Position( root, [ 0, 1 ] ),
- 'xyz',
- doc.version
- )
- );
- let range = selection.getRanges()[ 0 ];
- expect( range.start.path ).to.deep.equal( [ 0, 5 ] );
- expect( range.end.path ).to.deep.equal( [ 1, 4 ] );
- expect( spy.called ).to.be.false;
- } );
- it( 'inside selection', () => {
- doc.applyOperation(
- new InsertOperation(
- new Position( root, [ 1, 0 ] ),
- 'xyz',
- doc.version
- )
- );
- let range = selection.getRanges()[ 0 ];
- expect( range.start.path ).to.deep.equal( [ 0, 2 ] );
- expect( range.end.path ).to.deep.equal( [ 1, 7 ] );
- expect( spy.called ).to.be.false;
- } );
- } );
- describe( 'MoveOperation', () => {
- it( 'move range from before a selection', () => {
- doc.applyOperation(
- new MoveOperation(
- new Position( root, [ 0, 0 ] ),
- 2,
- new Position( root, [ 2 ] ),
- doc.version
- )
- );
- let range = selection.getRanges()[ 0 ];
- expect( range.start.path ).to.deep.equal( [ 0, 0 ] );
- expect( range.end.path ).to.deep.equal( [ 1, 4 ] );
- expect( spy.called ).to.be.false;
- } );
- it( 'moved into before a selection', () => {
- doc.applyOperation(
- new MoveOperation(
- new Position( root, [ 2 ] ),
- 2,
- new Position( root, [ 0, 0 ] ),
- doc.version
- )
- );
- let range = selection.getRanges()[ 0 ];
- expect( range.start.path ).to.deep.equal( [ 0, 4 ] );
- expect( range.end.path ).to.deep.equal( [ 1, 4 ] );
- expect( spy.called ).to.be.false;
- } );
- it( 'move range from inside of selection', () => {
- doc.applyOperation(
- new MoveOperation(
- new Position( root, [ 1, 0 ] ),
- 2,
- new Position( root, [ 2 ] ),
- doc.version
- )
- );
- let range = selection.getRanges()[ 0 ];
- expect( range.start.path ).to.deep.equal( [ 0, 2 ] );
- expect( range.end.path ).to.deep.equal( [ 1, 2 ] );
- expect( spy.called ).to.be.false;
- } );
- it( 'moved range intersects with selection', () => {
- doc.applyOperation(
- new MoveOperation(
- new Position( root, [ 1, 3 ] ),
- 2,
- new Position( root, [ 4 ] ),
- doc.version
- )
- );
- let range = selection.getRanges()[ 0 ];
- expect( range.start.path ).to.deep.equal( [ 0, 2 ] );
- expect( range.end.path ).to.deep.equal( [ 1, 3 ] );
- expect( spy.called ).to.be.false;
- } );
- it( 'split inside selection (do not break selection)', () => {
- doc.applyOperation(
- new InsertOperation(
- new Position( root, [ 2 ] ),
- new Element( 'p' ),
- doc.version
- )
- );
- doc.applyOperation(
- new MoveOperation(
- new Position( root, [ 1, 2 ] ),
- 4,
- new Position( root, [ 2, 0 ] ),
- doc.version
- )
- );
- let range = selection.getRanges()[ 0 ];
- expect( range.start.path ).to.deep.equal( [ 0, 2 ] );
- expect( range.end.path ).to.deep.equal( [ 2, 2 ] );
- expect( spy.called ).to.be.false;
- } );
- } );
- } );
- describe( 'attributes interface', () => {
- let fullP, emptyP, rangeInFullP, rangeInEmptyP;
- beforeEach( () => {
- root.insertChildren( 0, [
- new Element( 'p', [], 'foobar' ),
- new Element( 'p', [], [] )
- ] );
- fullP = root.getChild( 0 );
- emptyP = root.getChild( 1 );
- rangeInFullP = new Range( new Position( root, [ 0, 4 ] ), new Position( root, [ 0, 4 ] ) );
- rangeInEmptyP = new Range( new Position( root, [ 1, 0 ] ), new Position( root, [ 1, 0 ] ) );
- } );
- describe( 'setAttribute', () => {
- it( 'should set given attribute on the selection', () => {
- selection.setRanges( [ rangeInFullP ] );
- selection.setAttribute( 'foo', 'bar' );
- expect( selection.getAttribute( 'foo' ) ).to.equal( 'bar' );
- expect( fullP.hasAttribute( Selection._getStoreAttributeKey( 'foo' ) ) ).to.be.false;
- } );
- it( 'should store attribute if the selection is in empty node', () => {
- selection.setRanges( [ rangeInEmptyP ] );
- selection.setAttribute( 'foo', 'bar' );
- expect( selection.getAttribute( 'foo' ) ).to.equal( 'bar' );
- expect( emptyP.getAttribute( Selection._getStoreAttributeKey( 'foo' ) ) ).to.equal( 'bar' );
- } );
- } );
- describe( 'hasAttribute', () => {
- it( 'should return true if element contains attribute with given key', () => {
- selection.setRanges( [ rangeInFullP ] );
- selection.setAttribute( 'foo', 'bar' );
- expect( selection.hasAttribute( 'foo' ) ).to.be.true;
- } );
- it( 'should return false if element does not contain attribute with given key', () => {
- expect( selection.hasAttribute( 'abc' ) ).to.be.false;
- } );
- } );
- describe( 'getAttribute', () => {
- it( 'should return undefined if element does not contain given attribute', () => {
- expect( selection.getAttribute( 'abc' ) ).to.be.undefined;
- } );
- } );
- describe( 'getAttributes', () => {
- it( 'should return an iterator that iterates over all attributes set on the text fragment', () => {
- selection.setRanges( [ rangeInFullP ] );
- selection.setAttribute( 'foo', 'bar' );
- selection.setAttribute( 'abc', 'xyz' );
- let attrs = Array.from( selection.getAttributes() );
- expect( attrs ).to.deep.equal( [ [ 'foo', 'bar' ], [ 'abc', 'xyz' ] ] );
- } );
- } );
- describe( 'setAttributesTo', () => {
- it( 'should remove all attributes set on element and set the given ones', () => {
- selection.setRanges( [ rangeInFullP ] );
- selection.setAttribute( 'abc', 'xyz' );
- selection.setAttributesTo( { foo: 'bar' } );
- expect( selection.getAttribute( 'foo' ) ).to.equal( 'bar' );
- expect( selection.getAttribute( 'abc' ) ).to.be.undefined;
- expect( fullP.hasAttribute( Selection._getStoreAttributeKey( 'foo' ) ) ).to.be.false;
- expect( fullP.hasAttribute( Selection._getStoreAttributeKey( 'abc' ) ) ).to.be.false;
- } );
- it( 'should remove all stored attributes and store the given ones if the selection is in empty node', () => {
- selection.setRanges( [ rangeInEmptyP ] );
- selection.setAttribute( 'abc', 'xyz' );
- selection.setAttributesTo( { foo: 'bar' } );
- expect( selection.getAttribute( 'foo' ) ).to.equal( 'bar' );
- expect( selection.getAttribute( 'abc' ) ).to.be.undefined;
- expect( emptyP.getAttribute( Selection._getStoreAttributeKey( 'foo' ) ) ).to.equal( 'bar' );
- expect( emptyP.hasAttribute( Selection._getStoreAttributeKey( 'abc' ) ) ).to.be.false;
- } );
- } );
- describe( 'removeAttribute', () => {
- it( 'should remove attribute set on the text fragment', () => {
- selection.setRanges( [ rangeInFullP ] );
- selection.setAttribute( 'foo', 'bar' );
- selection.removeAttribute( 'foo' );
- expect( selection.getAttribute( 'foo' ) ).to.be.undefined;
- expect( fullP.hasAttribute( Selection._getStoreAttributeKey( 'foo' ) ) ).to.be.false;
- } );
- it( 'should remove stored attribute if the selection is in empty node', () => {
- selection.setRanges( [ rangeInEmptyP ] );
- selection.setAttribute( 'foo', 'bar' );
- selection.removeAttribute( 'foo' );
- expect( selection.getAttribute( 'foo' ) ).to.be.undefined;
- expect( emptyP.hasAttribute( Selection._getStoreAttributeKey( 'foo' ) ) ).to.be.false;
- } );
- } );
- describe( 'clearAttributes', () => {
- it( 'should remove all attributes from the element', () => {
- selection.setRanges( [ rangeInFullP ] );
- selection.setAttribute( 'foo', 'bar' );
- selection.setAttribute( 'abc', 'xyz' );
- selection.clearAttributes();
- expect( selection.getAttribute( 'foo' ) ).to.be.undefined;
- expect( selection.getAttribute( 'abc' ) ).to.be.undefined;
- expect( fullP.hasAttribute( Selection._getStoreAttributeKey( 'foo' ) ) ).to.be.false;
- expect( fullP.hasAttribute( Selection._getStoreAttributeKey( 'abc' ) ) ).to.be.false;
- } );
- it( 'should remove all stored attributes if the selection is in empty node', () => {
- selection.setRanges( [ rangeInEmptyP ] );
- selection.setAttribute( 'foo', 'bar' );
- selection.setAttribute( 'abc', 'xyz' );
- selection.clearAttributes();
- expect( selection.getAttribute( 'foo' ) ).to.be.undefined;
- expect( selection.getAttribute( 'abc' ) ).to.be.undefined;
- expect( emptyP.hasAttribute( Selection._getStoreAttributeKey( 'foo' ) ) ).to.be.false;
- expect( emptyP.hasAttribute( Selection._getStoreAttributeKey( 'abc' ) ) ).to.be.false;
- } );
- } );
- } );
- describe( '_updateAttributes', () => {
- beforeEach( () => {
- root.insertChildren( 0, [
- new Element( 'p', { p: true } ),
- new Text( 'a', { a: true } ),
- new Element( 'p', { p: true } ),
- new Text( 'b', { b: true } ),
- new Text( 'c', { c: true } ),
- new Element( 'p', [], [
- new Text( 'd', { d: true } )
- ] ),
- new Element( 'p', { p: true } ),
- new Text( 'e', { e: true } )
- ] );
- } );
- it( 'if selection is a range, should find first character in it and copy it\'s attributes', () => {
- selection.setRanges( [ new Range( new Position( root, [ 2 ] ), new Position( root, [ 5 ] ) ) ] );
- expect( Array.from( selection.getAttributes() ) ).to.deep.equal( [ [ 'b', true ] ] );
- // Step into elements when looking for first character:
- selection.setRanges( [ new Range( new Position( root, [ 5 ] ), new Position( root, [ 7 ] ) ) ] );
- expect( Array.from( selection.getAttributes() ) ).to.deep.equal( [ [ 'd', true ] ] );
- } );
- it( 'if selection is collapsed it should seek a character to copy that character\'s attributes', () => {
- // Take styles from character before selection.
- selection.setRanges( [ new Range( new Position( root, [ 2 ] ), new Position( root, [ 2 ] ) ) ] );
- expect( Array.from( selection.getAttributes() ) ).to.deep.equal( [ [ 'a', true ] ] );
- // If there are none,
- // Take styles from character after selection.
- selection.setRanges( [ new Range( new Position( root, [ 3 ] ), new Position( root, [ 3 ] ) ) ] );
- expect( Array.from( selection.getAttributes() ) ).to.deep.equal( [ [ 'b', true ] ] );
- // If there are none,
- // Look from the selection position to the beginning of node looking for character to take attributes from.
- selection.setRanges( [ new Range( new Position( root, [ 6 ] ), new Position( root, [ 6 ] ) ) ] );
- expect( Array.from( selection.getAttributes() ) ).to.deep.equal( [ [ 'c', true ] ] );
- // If there are none,
- // Look from the selection position to the end of node looking for character to take attributes from.
- selection.setRanges( [ new Range( new Position( root, [ 0 ] ), new Position( root, [ 0 ] ) ) ] );
- expect( Array.from( selection.getAttributes() ) ).to.deep.equal( [ [ 'a', true ] ] );
- // If there are no characters to copy attributes from, use stored attributes.
- selection.setRanges( [ new Range( new Position( root, [ 0, 0 ] ), new Position( root, [ 0, 0 ] ) ) ] );
- expect( Array.from( selection.getAttributes() ) ).to.deep.equal( [] );
- } );
- } );
- describe( '_getStoredAttributes', () => {
- it( 'should return no values if there are no ranges in selection', () => {
- let values = Array.from( selection._getStoredAttributes() );
- expect( values ).to.deep.equal( [] );
- } );
- } );
- } );
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