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+/**
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+ * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
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+ * For licensing, see LICENSE.md.
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+ */
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+
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+'use strict';
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+
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+import Editor from '/ckeditor5/editor.js';
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+import AttributeCommand from '/ckeditor5/command/attributecommand.js';
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+import Text from '/ckeditor5/core/treemodel/text.js';
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+import Range from '/ckeditor5/core/treemodel/range.js';
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+import Position from '/ckeditor5/core/treemodel/position.js';
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+import Element from '/ckeditor5/core/treemodel/element.js';
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+
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+let element, editor, command, modelDoc, root;
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+
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+const attrKey = 'bold';
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+
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+beforeEach( () => {
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+ element = document.createElement( 'div' );
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+ document.body.appendChild( element );
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+
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+ editor = new Editor( element );
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+ modelDoc = editor.document;
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+ root = modelDoc.createRoot( 'root', 'div' );
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+
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+ command = new AttributeCommand( editor, attrKey );
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+
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+ modelDoc.schema.registerItem( 'div', '$block' );
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+ modelDoc.schema.registerItem( 'p', '$block' );
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+ modelDoc.schema.registerItem( 'img', '$inline' );
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+
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+ // Allow block in "root" (DIV)
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+ modelDoc.schema.allow( { name: '$block', inside: 'div' } );
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+
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+ // Bold text is allowed only in P.
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+ modelDoc.schema.allow( { name: '$text', attribute: 'bold', inside: 'p' } );
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+ modelDoc.schema.allow( { name: 'p', attribute: 'bold', inside: 'div' } );
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+
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+ // Disallow bold on image.
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+ modelDoc.schema.disallow( { name: 'img', attribute: 'bold', inside: 'div' } );
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+} );
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+
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+describe( 'value', () => {
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+ it( 'should be set to true or false basing on selection attribute', () => {
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+ modelDoc.selection.setAttribute( attrKey, true );
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+ expect( command.value ).to.be.true;
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+
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+ modelDoc.selection.removeAttribute( attrKey );
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+ expect( command.value ).to.be.false;
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+ } );
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+} );
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+
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+describe( '_doExecute', () => {
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+ let p;
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+
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+ beforeEach( () => {
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+ let attrs = {};
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+ attrs[ attrKey ] = true;
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+
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+ root.insertChildren( 0, [ new Element( 'p', [] , [ 'abc', new Text( 'foobar', attrs ), 'xyz' ] ), new Element( 'p' ) ] );
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+ p = root.getChild( 0 );
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+ } );
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+
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+ it( 'should add attribute on selected nodes if the command value was false', () => {
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+ modelDoc.selection.addRange( new Range( new Position( root, [ 0, 1 ] ), new Position( root, [ 0, 5 ] ) ) );
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+
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+ expect( command.value ).to.be.false;
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+
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+ command._doExecute();
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+
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+ expect( command.value ).to.be.true;
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+ expect( p.getChild( 1 ).hasAttribute( attrKey ) ).to.be.true;
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+ expect( p.getChild( 2 ).hasAttribute( attrKey ) ).to.be.true;
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+ } );
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+
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+ it( 'should remove attribute from selected nodes if the command value was true', () => {
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+ modelDoc.selection.addRange( new Range( new Position( root, [ 0, 3 ] ), new Position( root, [ 0, 6 ] ) ) );
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+
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+ expect( command.value ).to.be.true;
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+
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+ command._doExecute();
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+
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+ expect( command.value ).to.be.false;
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+ expect( p.getChild( 3 ).hasAttribute( attrKey ) ).to.be.false;
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+ expect( p.getChild( 4 ).hasAttribute( attrKey ) ).to.be.false;
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+ expect( p.getChild( 5 ).hasAttribute( attrKey ) ).to.be.false;
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+ } );
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+
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+ it( 'should add attribute on selected nodes if execute parameter was set to true', () => {
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+ modelDoc.selection.addRange( new Range( new Position( root, [ 0, 7 ] ), new Position( root, [ 0, 10 ] ) ) );
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+
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+ expect( command.value ).to.be.true;
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+
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+ command._doExecute( true );
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+
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+ expect( command.value ).to.be.true;
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+ expect( p.getChild( 9 ).hasAttribute( attrKey ) ).to.be.true;
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+ } );
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+
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+ it( 'should remove attribute on selected nodes if execute parameter was set to false', () => {
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+ modelDoc.selection.addRange( new Range( new Position( root, [ 0, 1 ] ), new Position( root, [ 0, 5 ] ) ) );
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+
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+ expect( command.value ).to.be.false;
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+
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+ command._doExecute( false );
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+
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+ expect( command.value ).to.be.false;
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+ expect( p.getChild( 3 ).hasAttribute( attrKey ) ).to.be.false;
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+ expect( p.getChild( 4 ).hasAttribute( attrKey ) ).to.be.false;
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+ } );
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+
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+ it( 'should change selection attribute if selection is collapsed in non-empty parent', () => {
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+ modelDoc.selection.addRange( new Range( new Position( root, [ 0, 1 ] ), new Position( root, [ 0, 1 ] ) ) );
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+
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+ expect( command.value ).to.be.false;
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+
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+ command._doExecute();
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+
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+ expect( command.value ).to.be.true;
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+ expect( modelDoc.selection.hasAttribute( 'bold' ) ).to.be.true;
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+
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+ command._doExecute();
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+
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+ expect( command.value ).to.be.false;
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+ expect( modelDoc.selection.hasAttribute( 'bold' ) ).to.be.false;
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+ } );
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+
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+ it( 'should not store attribute change on selection if selection is collapsed in non-empty parent', () => {
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+ modelDoc.selection.addRange( new Range( new Position( root, [ 0, 1 ] ), new Position( root, [ 0, 1 ] ) ) );
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+ command._doExecute();
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+
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+ // It should not save that bold was executed at position ( root, [ 0, 1 ] ).
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+
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+ // Simulate clicking right arrow key by changing selection ranges.
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+ modelDoc.selection.setRanges( [ new Range( new Position( root, [ 0, 2 ] ), new Position( root, [ 0, 2 ] ) ) ] );
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+
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+ // Get back to previous selection.
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+ modelDoc.selection.setRanges( [ new Range( new Position( root, [ 0, 1 ] ), new Position( root, [ 0, 1 ] ) ) ] );
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+
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+ expect( command.value ).to.be.false;
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+ } );
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+
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+ it( 'should change selection attribute and store it if selection is collapsed in empty parent', () => {
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+ modelDoc.selection.setRanges( [ new Range( new Position( root, [ 1, 0 ] ), new Position( root, [ 1, 0 ] ) ) ] );
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+
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+ expect( command.value ).to.be.false;
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+
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+ command._doExecute();
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+
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+ expect( command.value ).to.be.true;
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+ expect( modelDoc.selection.hasAttribute( 'bold' ) ).to.be.true;
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+
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+ // Attribute should be stored.
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+ // Simulate clicking somewhere else in the editor.
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+ modelDoc.selection.setRanges( [ new Range( new Position( root, [ 0, 2 ] ), new Position( root, [ 0, 2 ] ) ) ] );
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+
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+ expect( command.value ).to.be.false;
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+
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+ // Go back to where attribute was stored.
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+ modelDoc.selection.setRanges( [ new Range( new Position( root, [ 1, 0 ] ), new Position( root, [ 1, 0 ] ) ) ] );
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+
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+ // Attribute should be restored.
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+ expect( command.value ).to.be.true;
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+
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+ command._doExecute();
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+
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+ expect( command.value ).to.be.false;
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+ expect( modelDoc.selection.hasAttribute( 'bold' ) ).to.be.false;
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+ } );
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+
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+ it( 'should not apply attribute change where it would invalid schema', () => {
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+ p.insertChildren( 3, new Element( 'image' ) );
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+ p.insertChildren( 12, new Element( 'image' ) );
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+ modelDoc.selection.setRanges( [ new Range( new Position( root, [ 0, 2 ] ), new Position( root, [ 0, 13 ] ) ) ] );
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+
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+ expect( command.isEnabled ).to.be.true;
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+
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+ command._doExecute();
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+
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+ let expectedHas = [ 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0 ];
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+
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+ for ( let i = 0; i < expectedHas.length; i++ ) {
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+ expect( p.getChild( i ).hasAttribute( attrKey ) ).to.equal( !!expectedHas[ i ] );
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+ }
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+ } );
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+} );
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+
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+describe( '_checkEnabled', () => {
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+ beforeEach( () => {
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+ root.insertChildren( 0, [
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+ new Element( 'p', [], [
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+ 'foo',
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+ new Element( 'img' ),
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+ new Element( 'img' ),
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+ 'bar'
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+ ] ),
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+ new Element( 'div' ),
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+ new Element( 'p' )
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+ ] );
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+ } );
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+
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+ describe( 'when selection is collapsed', () => {
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+ it( 'should return true if characters with the attribute can be placed at caret position', () => {
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+ modelDoc.selection.setRanges( [ new Range( new Position( root, [ 0, 1 ] ), new Position( root, [ 0, 1 ] ) ) ] );
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+ expect( command._checkEnabled() ).to.be.true;
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+ } );
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+
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+ it( 'should return false if characters with the attribute cannot be placed at caret position', () => {
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+ modelDoc.selection.setRanges( [ new Range( new Position( root, [ 1, 0 ] ), new Position( root, [ 1, 0 ] ) ) ] );
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+ expect( command._checkEnabled() ).to.be.false;
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+
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+ modelDoc.selection.setRanges( [ new Range( new Position( root, [ 2 ] ), new Position( root, [ 2 ] ) ) ] );
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+ expect( command._checkEnabled() ).to.be.false;
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+ } );
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+ } );
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+
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+ describe( 'when selection is not collapsed', () => {
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+ it( 'should return true if there is at least one node in selection that can have the attribute', () => {
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+ // Simple selection on a few characters.
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+ modelDoc.selection.setRanges( [ new Range( new Position( root, [ 0, 0 ] ), new Position( root, [ 0, 3 ] ) ) ] );
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+ expect( command._checkEnabled() ).to.be.true;
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+
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+ // Selection spans over characters but also include nodes that can't have attribute.
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+ modelDoc.selection.setRanges( [ new Range( new Position( root, [ 0, 2 ] ), new Position( root, [ 0, 6 ] ) ) ] );
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+ expect( command._checkEnabled() ).to.be.true;
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+
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+ // Selection on whole root content. Characters in P can have an attribute so it's valid.
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+ modelDoc.selection.setRanges( [ new Range( new Position( root, [ 0 ] ), new Position( root, [ 3 ] ) ) ] );
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+ expect( command._checkEnabled() ).to.be.true;
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+
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+ // Selection on empty P. P can have the attribute.
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+ modelDoc.selection.setRanges( [ new Range( new Position( root, [ 2 ] ), new Position( root, [ 3 ] ) ) ] );
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+ expect( command._checkEnabled() ).to.be.true;
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+ } );
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+
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+ it( 'should return false if there are no nodes in selection that can have the attribute', () => {
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+ // Selection on DIV which can't have bold text.
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+ modelDoc.selection.setRanges( [ new Range( new Position( root, [ 1 ] ), new Position( root, [ 2 ] ) ) ] );
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+ expect( command._checkEnabled() ).to.be.false;
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+
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+ // Selection on two images which can't be bold.
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+ modelDoc.selection.setRanges( [ new Range( new Position( root, [ 0, 3 ] ), new Position( root, [ 0, 5 ] ) ) ] );
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+ expect( command._checkEnabled() ).to.be.false;
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+ } );
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+ } );
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+
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+ it( 'should return false if selection has no ranges', () => {
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+ modelDoc.selection.removeAllRanges();
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+ expect( command._checkEnabled() ).to.be.false;
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+ } );
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+} );
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