Updating progress using the promise notify feature
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@ -131,6 +131,18 @@ describe('parser/javascript/node.js', function() {
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.done();
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});
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it('notifies of the progress when the render is not canceled', function(done) {
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this.node.state.renderCounter = 116;
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this.node.state.maxCounter = 200;
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this.node.deferredStep('result')
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.then(null, null, progress => {
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expect(Math.round(100 * progress)).toEqual(42);
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})
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.finally(done)
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.done();
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});
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it('rejects the returned promise when the render is canceled', function(done) {
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var resolve = jasmine.createSpy('resolve'),
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reject = jasmine.createSpy('reject');
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@ -231,45 +243,26 @@ describe('parser/javascript/node.js', function() {
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expect(this.node.state.renderCounter).toEqual(1);
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});
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it('sets the maxCounter', function() {
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this.node.state.renderCounter = 42;
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this.node.state.maxCounter = 0;
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this.node.startRender();
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expect(this.node.state.maxCounter).toEqual(43);
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this.node.state.maxCounter = 50;
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this.node.startRender();
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expect(this.node.state.maxCounter).toEqual(50);
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});
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});
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describe('#doneRender', function() {
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it('sets the maxCounter when the maxCounter is initially 0', function() {
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this.node.state.renderCounter = 42;
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this.node.state.maxCounter = 0;
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this.node.doneRender();
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expect(this.node.state.maxCounter).toEqual(42);
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this.node.state.renderCounter = 24;
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this.node.doneRender();
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expect(this.node.state.maxCounter).toEqual(42);
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});
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it('decrements the renderCounter', function() {
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this.node.state.renderCounter = 42;
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this.node.doneRender();
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expect(this.node.state.renderCounter).toEqual(41);
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});
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it('triggers an updateStatus event', function() {
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var evt;
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this.node.state.renderCounter = 117;
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this.node.state.maxCounter = 200;
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spyOn(document.body, 'dispatchEvent');
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this.node.doneRender();
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expect(document.body.dispatchEvent).toHaveBeenCalled();
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evt = document.body.dispatchEvent.calls.mostRecent().args[0];
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expect(evt.type).toEqual('updateStatus');
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expect(evt.detail).toEqual({ percentage: 0.42 });
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});
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it('returns a deferredStep', function() {
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spyOn(this.node, 'deferredStep').and.returnValue('example deferred');
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expect(this.node.doneRender()).toEqual('example deferred');
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});
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});
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describe('#render', function() {
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@ -190,25 +190,11 @@ describe('regexper.js', function() {
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});
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describe('#updatePercentage', function() {
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beforeEach(function() {
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this.event = util.customEvent('updateStatus', { percentage: 0.42 });
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});
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it('sets the width of the progress bar', function() {
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this.regexper.updatePercentage(this.event);
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expect(this.regexper.percentage.style.width).toEqual('42%');
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});
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});
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describe('#bindListeners', function() {
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beforeEach(function() {
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spyOn(this.regexper, 'keypressListener');
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spyOn(this.regexper, 'submitListener');
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spyOn(this.regexper, 'updatePercentage');
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spyOn(this.regexper, 'documentKeypressListener');
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spyOn(this.regexper, 'hashchangeListener');
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});
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@ -231,15 +217,6 @@ describe('regexper.js', function() {
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expect(this.regexper.submitListener).toHaveBeenCalled();
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});
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it('binds #updatePercentage to updateStatus on the root', function() {
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spyOn(this.regexper.root, 'addEventListener');
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this.regexper.bindListeners();
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expect(this.regexper.root.addEventListener).toHaveBeenCalledWith('updateStatus', jasmine.any(Function));
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this.regexper.root.addEventListener.calls.first().args[1]();
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expect(this.regexper.updatePercentage).toHaveBeenCalled();
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});
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it('binds #documentKeypressListener to keyup on the root', function() {
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spyOn(this.regexper.root, 'addEventListener');
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this.regexper.bindListeners();
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@ -66,6 +66,7 @@ export default class Node {
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if (this.state.cancelRender) {
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deferred.reject('Render cancelled');
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} else {
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deferred.notify(1 - this.state.renderCounter / this.state.maxCounter);
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deferred.resolve.apply(this, result);
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}
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}, 1);
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@ -98,20 +99,12 @@ export default class Node {
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startRender() {
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this.state.renderCounter++;
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this.state.maxCounter = Math.max(this.state.maxCounter, this.state.renderCounter);
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}
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doneRender() {
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if (this.state.maxCounter === 0) {
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this.state.maxCounter = this.state.renderCounter;
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}
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this.state.renderCounter--;
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document.body.dispatchEvent(util.customEvent('updateStatus', {
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percentage: (this.state.maxCounter - this.state.renderCounter) / this.state.maxCounter
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}));
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return this.deferredStep();
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}
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render(container) {
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@ -124,8 +117,20 @@ export default class Node {
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} else {
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this.startRender();
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return this._render()
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.then(this.doneRender.bind(this))
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.then(_.constant(this));
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.then(
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() => {
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this.doneRender();
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return this;
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},
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null,
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progress => {
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if (typeof progress.value !== 'undefined') {
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return progress.value;
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} else {
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return progress;
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}
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}
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);
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}
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}
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@ -56,14 +56,9 @@ export default class Regexper {
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this.showExpression(this._getHash());
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}
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updatePercentage(event) {
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this.percentage.style.width = event.detail.percentage * 100 + '%';
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}
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bindListeners() {
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this.field.addEventListener('keypress', this.keypressListener.bind(this));
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this.form.addEventListener('submit', this.submitListener.bind(this));
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this.root.addEventListener('updateStatus', this.updatePercentage.bind(this));
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this.root.addEventListener('keyup', this.documentKeypressListener.bind(this));
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window.addEventListener('hashchange', this.hashchangeListener.bind(this));
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}
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@ -157,12 +152,18 @@ export default class Regexper {
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throw message;
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})
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.invoke('render', this.svgContainer, this.svgBase)
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.then(() => {
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this.state = 'has-results';
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this.updateLinks();
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this.displayWarnings(this.runningParser.warnings);
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this._trackEvent('visualization', 'complete');
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})
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.then(
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() => {
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this.state = 'has-results';
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this.updateLinks();
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this.displayWarnings(this.runningParser.warnings);
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this._trackEvent('visualization', 'complete');
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},
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null,
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percentage => {
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this.percentage.style.width = percentage * 100 + '%';
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}
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)
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.then(null, message => {
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if (message === 'Render cancelled') {
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this._trackEvent('visualization', 'cancelled');
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