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| author | Igor Minar | 2012-03-30 14:02:26 -0700 |
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| committer | Igor Minar | 2012-04-04 15:59:18 -0700 |
| commit | 6336b6e89e3a80aec3c4367ab4c2737fd365c030 (patch) | |
| tree | 31aa86a0555b541d1f6cc107845278ae80ddbff9 /docs/content/tutorial/step_08.ngdoc | |
| parent | fdf17d729fa7651e88dc5f27c40b8de875a34a55 (diff) | |
| download | angular.js-6336b6e89e3a80aec3c4367ab4c2737fd365c030.tar.bz2 | |
chore(docs): restore old tutorial ngdoc files
Diffstat (limited to 'docs/content/tutorial/step_08.ngdoc')
| -rw-r--r-- | docs/content/tutorial/step_08.ngdoc | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/docs/content/tutorial/step_08.ngdoc b/docs/content/tutorial/step_08.ngdoc new file mode 100644 index 00000000..a81c689b --- /dev/null +++ b/docs/content/tutorial/step_08.ngdoc @@ -0,0 +1,186 @@ +@ngdoc overview +@name Tutorial: 8 - More Templating +@description + +<ul doc:tutorial-nav="8"></ul> + + +In this step, you will implement the phone details view, which is displayed when a user clicks on a +phone in the phone list. + + +<doc:tutorial-instructions step="8"></doc:tutorial-instructions> + + +Now when you click on a phone on the list, the phone details page with phone-specific information +is displayed. + +To implement the phone details view we will use {@link api/angular.module.ng.$xhr $xhr} to fetch our +data, and we'll flesh out the `phone-details.html` view template. + +The most important changes are listed below. You can see the full diff on {@link +https://github.com/angular/angular-phonecat/compare/step-7...step-8 +GitHub}: + +## Data + +In addition to `phones.json`, the `app/phones/` directory also contains one json file for each +phone: + +__`app/phones/nexus-s.json`:__ (sample snippet) +<pre> +{ + "additionalFeatures": "Contour Display, Near Field Communications (NFC),...", + "android": { + "os": "Android 2.3", + "ui": "Android" + }, + ... + "images": [ + "img/phones/nexus-s.0.jpg", + "img/phones/nexus-s.1.jpg", + "img/phones/nexus-s.2.jpg", + "img/phones/nexus-s.3.jpg" + ], + "storage": { + "flash": "16384MB", + "ram": "512MB" + } +} +</pre> + + +Each of these files describes various properties of the phone using the same data structure. We'll +show this data in the phone detail view. + + +## Controller + +We'll expand the `PhoneDetailCtrl` by using the `$xhr` service to fetch the json files. This works +the same way as the phone list controller. + +__`app/js/controller.js`:__ +<pre> +function PhoneDetailCtrl($xhr) { + var self = this; + + $xhr('GET', 'phones/' + self.params.phoneId + '.json', function(code, response) { + self.phone = response; + }); +} + +//PhoneDetailCtrl.$inject = ['$xhr']; +</pre> + +To construct the URL for the HTTP request, we use `params.phoneId` extracted from the current route +in the `PhoneCatCtrl` controller. + + +## Template + +The TBD placeholder line has been replaced with lists and bindings that comprise the phone details. +Note where we use the angular `{{expression}}` markup and `ng:repeater`s to project phone data from +our model into the view. + + +__`app/partials/phone-details.html`:__ +<pre> +<img ng:src="{{phone.images[0]}}" class="phone"/> + +<h1>{{phone.name}}</h1> + +<p>{{phone.description}}</p> + +<ul class="phone-thumbs"> + <li ng:repeat="img in phone.images"> + <img ng:src="{{img}}"/> + </li> +</ul> + +<ul class="specs"> + <li> + <span>Availability and Networks</span> + <dl> + <dt>Availability</dt> + <dd ng:repeat="availability in phone.availability">{{availability}}</dd> + </dl> + </li> + ... + </li> + <span>Additional Features</span> + <dd>{{phone.additionalFeatures}}</dd> + </li> +</ul> +</pre> + +<img src="img/tutorial/tutorial_08-09_final.png"> + +## Test + +We wrote a new unit test that is similar to the one we wrote for the `PhoneListCtrl` controller in +step 5. + +__`test/unit/controllerSpec.js`:__ +<pre> +... + it('should fetch phone detail', function() { + scope.params = {phoneId:'xyz'}; + $browser.xhr.expectGET('phones/xyz.json').respond({name:'phone xyz'}); + ctrl = scope.$new(PhoneDetailCtrl); + + expect(ctrl.phone).toBeUndefined(); + $browser.xhr.flush(); + + expect(ctrl.phone).toEqual({name:'phone xyz'}); + }); +... +</pre> + +To run the unit tests, execute the `./scripts/test.sh` script and you should see the following +output. + + Chrome: Runner reset. + ... + Total 3 tests (Passed: 3; Fails: 0; Errors: 0) (5.00 ms) + Chrome 11.0.696.57 Mac OS: Run 3 tests (Passed: 3; Fails: 0; Errors 0) (5.00 ms) + + +We also added a new end-to-end test that navigates to the Nexus S detail page and verifies that the +heading on the page is "Nexus S". + +__`test/e2e/scenarios.js`:__ +<pre> +... + describe('Phone detail view', function() { + + beforeEach(function() { + browser().navigateTo('../../app/index.html#/phones/nexus-s'); + }); + + + it('should display nexus-s page', function() { + expect(binding('phone.name')).toBe('Nexus S'); + }); + }); +... +</pre> + + +You can now refresh the browser tab with the end-to-end test runner to see the tests run, or you +can see them running on {@link +http://angular.github.com/angular-phonecat/step-8/test/e2e/runner.html +angular's server}. + +# Experiments + +* Using the {@link guide/dev_guide.e2e-testing Angular's end-to-end test runner API}, write a test +that verifies that we display 4 thumbnail images on the Nexus S details page. + + +# Summary + +Now that the phone details view is in place, proceed to {@link step_09 step 9} to learn how to +write your own custom display filter. + + +<ul doc:tutorial-nav="8"></ul> |
