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@@ -0,0 +1,73 @@
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+/**
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+ * @license Copyright (c) 2003-2015, 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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+/* bender-tags: treeview */
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+
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+'use strict';
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+
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+import KeyObserver from '/ckeditor5/engine/treeview/observer/keyobserver.js';
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+import TreeView from '/ckeditor5/engine/treeview/treeview.js';
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+
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+describe( 'KeyObserver', () => {
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+ let treeView, viewBody, observer;
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+
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+ beforeEach( () => {
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+ treeView = new TreeView();
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+ treeView.addObserver( KeyObserver );
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+
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+ viewBody = treeView.domConverter.domToView( document.body, { bind: true } );
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+
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+ observer = Array.from( treeView._observers )[ 0 ];
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+ } );
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+
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+ it( 'should define domEventType', () => {
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+ expect( observer.domEventType ).to.equal( 'keydown' );
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+ } );
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+
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+ describe( 'onDomEvent', () => {
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+ it( 'should fire keydown with the target and key info', () => {
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+ const spy = sinon.spy();
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+
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+ treeView.on( 'keydown', spy );
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+
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+ observer.onDomEvent( { target: document.body, keyCode: 111, altKey: false, ctrlKey: false, metaKey: false, shiftKey: false } );
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+
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+ expect( spy.calledOnce ).to.be.true;
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+
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+ const data = spy.args[ 0 ][ 1 ];
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+ expect( data.target ).to.equal( viewBody );
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+ expect( data.domTarget ).to.equal( document.body );
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+ expect( data.keyCode ).to.equal( 111 );
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+ expect( data.altKey ).to.equal( false );
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+ expect( data.ctrlKey ).to.equal( false );
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+ expect( data.shiftKey ).to.equal( false );
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+ } );
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+
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+ it( 'should fire keydown with proper key modifiers info', () => {
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+ const spy = sinon.spy();
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+
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+ treeView.on( 'keydown', spy );
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+
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+ observer.onDomEvent( { target: document.body, keyCode: 111, altKey: true, ctrlKey: true, metaKey: false, shiftKey: true } );
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+
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+ const data = spy.args[ 0 ][ 1 ];
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+ expect( data.keyCode ).to.equal( 111 );
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+ expect( data.altKey ).to.equal( true );
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+ expect( data.ctrlKey ).to.equal( true );
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+ expect( data.shiftKey ).to.equal( true );
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+ } );
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+
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+ it( 'should fire keydown ctrlKey set to true one meta (cmd) was pressed', () => {
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+ const spy = sinon.spy();
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+
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+ treeView.on( 'keydown', spy );
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+
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+ observer.onDomEvent( { target: document.body, keyCode: 111, metaKey: true } );
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+
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+ const data = spy.args[ 0 ][ 1 ];
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+ expect( data.ctrlKey ).to.equal( true );
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+ } );
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+ } );
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+} );
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