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| author | Misko Hevery | 2011-04-29 15:18:27 -0700 | 
|---|---|---|
| committer | Igor Minar | 2011-06-06 22:28:38 -0700 | 
| commit | 11e9572b952e49b01035e956c412d6095533031a (patch) | |
| tree | 04dbf96802f552693d44c541c0d825a2769e3d57 /docs/content/tutorial/step_10.ngdoc | |
| parent | b6bc6c2ddf1ae1523ec7e4cb92db209cd6501181 (diff) | |
| download | angular.js-11e9572b952e49b01035e956c412d6095533031a.tar.bz2 | |
Move documentation under individual headings
Diffstat (limited to 'docs/content/tutorial/step_10.ngdoc')
| -rw-r--r-- | docs/content/tutorial/step_10.ngdoc | 110 | 
1 files changed, 110 insertions, 0 deletions
| diff --git a/docs/content/tutorial/step_10.ngdoc b/docs/content/tutorial/step_10.ngdoc new file mode 100644 index 00000000..130b4023 --- /dev/null +++ b/docs/content/tutorial/step_10.ngdoc @@ -0,0 +1,110 @@ +@workInProgress +@ngdoc overview +@name Tutorial: Step 10 +@description +<table id="tutorial_nav"> +<tr> +<td id="previous_step">{@link tutorial.step_09 Previous}</td> +<td id="step_result">{@link  http://angular.github.com/angular-phonecat/step-10/app Live Demo +}</td> +<td id="tut_home">{@link tutorial Tutorial Home}</td> +<td id="code_diff">{@link https://github.com/angular/angular-phonecat/compare/step-9...step-10 +Code Diff}</td> +<td id="next_step">{@link tutorial.step_11 Next}</td> +</tr> +</table> + +The phone details view displays one large image of the current phone and several smaller thumbnail +images. It would be great if we could replace the large image with any of the thumbnails just by +clicking on the desired thumbnail image. Let's have a look how we can do this with angular. + +__`app/partials/phone-detail.html`:__ +<pre> +<img ng:src="{{mainImageUrl}}" 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}}" ng:click="setImage(img)"> +  </li> +</ul> +... +</pre> + +__`app/js/controllers.js`:__ +<pre> +... +function PhoneDetailCtrl($xhr) { +  var self = this; + +  $xhr('GET', 'phones/' + self.params.phoneId + '.json', function(code, response) { +    self.phone = response; +    self.mainImageUrl = response.images[0]; +  }); + +  self.setImage = function(imageUrl) { +    self.mainImageUrl = imageUrl; +  } +} + +//PhoneDetailCtrl.$inject = ['$xhr']; +</pre> + +__`test/e2e/scenarios.js`:__ +<pre> +/* jasmine-like end2end tests go here */ +... +  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'); +    }); + +    it('should display the first phone image as the main phone image', function() { +       expect(element('img.phone').attr('src')).toBe('img/phones/nexus-s.0.jpg'); +    }); + + +    it('should swap main image if a thumbnail image is clicked on', function() { +      element('.phone-thumbs li:nth-child(3) img').click(); +      expect(element('img.phone').attr('src')).toBe('img/phones/nexus-s.2.jpg'); + +      element('.phone-thumbs li:nth-child(1) img').click(); +      expect(element('img.phone').attr('src')).toBe('img/phones/nexus-s.0.jpg'); +    }); +  }); +}); +</pre> + +## Discussion: + +Adding the phone image swapping feature is fairly straightforward: + +* We defined the `mainImageUrl` model property in the details controller (`PhoneDetailCtrl`) and +set the default value of `mainImageUrl` to the first image in the array of images. +* We created a `setImage` controller method to change `mainImageUrl` to the image clicked on by +the user. +* We registered an `{@link angular.directive.ng:click ng:click}` handler for thumb images to use +the `setImage` controller method. +* We expanded the end-to-end test to verify that our new feature is swapping images correctly. + + +<table id="tutorial_nav"> +<tr> +<td id="previous_step">{@link tutorial.step_09 Previous}</td> +<td id="step_result">{@link  http://angular.github.com/angular-phonecat/step-10/app Live Demo +}</td> +<td id="tut_home">{@link tutorial Tutorial Home}</td> +<td id="code_diff">{@link https://github.com/angular/angular-phonecat/compare/step-9...step-10 +Code Diff}</td> +<td id="next_step">{@link tutorial.step_11 Next}</td> +</tr> +</table> | 
