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@@ -11,7 +11,7 @@ import DomEventObserver from '/ckeditor5/core/treeview/observer/domeventobserver
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import Observer from '/ckeditor5/core/treeview/observer/observer.js';
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import TreeView from '/ckeditor5/core/treeview/treeview.js';
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-class TestObserver extends DomEventObserver {
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+class ClickObserver extends DomEventObserver {
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constructor( treeView ) {
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super( treeView );
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@@ -23,6 +23,18 @@ class TestObserver extends DomEventObserver {
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}
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}
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+class MultiObserver extends DomEventObserver {
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+ constructor( treeView ) {
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+ super( treeView );
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+
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+ this.domEventType = [ 'evt1', 'evt2' ];
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+ }
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+
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+ onDomEvent( domEvt ) {
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+ this.fire( domEvt.type );
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+ }
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+}
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+
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describe( 'DomEventObserver', () => {
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let treeView;
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@@ -44,7 +56,7 @@ describe( 'DomEventObserver', () => {
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const evtSpy = sinon.spy();
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treeView.createRoot( domElement, 'root' );
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- treeView.addObserver( TestObserver );
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+ treeView.addObserver( ClickObserver );
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treeView.on( 'click', evtSpy );
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domElement.dispatchEvent( domEvent );
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@@ -54,13 +66,32 @@ describe( 'DomEventObserver', () => {
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expect( evtSpy.args[ 0 ][ 2 ] ).to.equal( domEvent );
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} );
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+ it( 'should add multiple event listeners', () => {
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+ const domElement = document.createElement( 'p' );
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+ const domEvent1 = new MouseEvent( 'evt1' );
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+ const domEvent2 = new MouseEvent( 'evt2' );
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+ const evtSpy1 = sinon.spy();
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+ const evtSpy2 = sinon.spy();
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+
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+ treeView.createRoot( domElement, 'root' );
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+ treeView.addObserver( MultiObserver );
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+ treeView.on( 'evt1', evtSpy1 );
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+ treeView.on( 'evt2', evtSpy2 );
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+
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+ domElement.dispatchEvent( domEvent1 );
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+ expect( evtSpy1.calledOnce ).to.be.true;
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+
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+ domElement.dispatchEvent( domEvent2 );
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+ expect( evtSpy2.calledOnce ).to.be.true;
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+ } );
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+
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it( 'should not fire event if observer is disabled', () => {
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const domElement = document.createElement( 'p' );
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const domEvent = new MouseEvent( 'click' );
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const evtSpy = sinon.spy();
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treeView.createRoot( domElement, 'root' );
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- treeView.addObserver( TestObserver );
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+ treeView.addObserver( ClickObserver );
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treeView.on( 'click', evtSpy );
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const testObserver = Array.from( treeView._observers )[ 0 ];
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@@ -78,7 +109,7 @@ describe( 'DomEventObserver', () => {
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const evtSpy = sinon.spy();
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treeView.createRoot( domElement, 'root' );
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- treeView.addObserver( TestObserver );
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+ treeView.addObserver( ClickObserver );
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treeView.on( 'click', evtSpy );
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const testObserver = Array.from( treeView._observers )[ 0 ];
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@@ -98,7 +129,7 @@ describe( 'DomEventObserver', () => {
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describe( 'fire', () => {
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it( 'should do nothing if observer is disabled', () => {
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- const testObserver = new TestObserver( treeView );
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+ const testObserver = new ClickObserver( treeView );
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const fireSpy = sinon.spy( treeView, 'fire' );
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testObserver.disable();
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