AngularJS Essentials

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Chapter 2 Prefix (no prefix) Details This parameter locates the controller inside the current element. It throws an error if the controller is not defined within the require directive. ? This parameter tries to locate the controller, passing null to the controller parameter of the link function if not found. ^ This parameter locates the controller in the parent element. It throws an error if the controller is not defined within any parent element. ?^ This parameter tries to locate the controller in the parent element, passing null to the controller parameter of the link function if not found. In our last example, each accordion is independent. We can open and close all of them at our will. This property might be used to create an algorithm that closes all the other accordions as soon as we click on each of them: index.html White - 10/10/2002 10:00 Black - 10/10/2002 10:36 Blue - 10/10/2002 11:10 directives.html parking.directive("accordion", function () { return { template: "", restrict: "E", transclude: true }; }); parking.directive("accordionItem", function () { return { templateUrl: "accordionItem.html", restrict: "E", scope: { [ 45 ] www.it-ebooks.info
Creating Reusable Components with Directives title: "@" }, transclude: true, require: "^accordion", link: function (scope, element, attrs, ctrl, transcludeFn) { element.bind("click", function () { scope.$apply(function () { scope.active = !scope.active; }); }); } }; }); Now, we need to define the controller inside the accordion directive; otherwise, an error will be thrown that says the controller can't be found. controller The controller is pretty similar to the link function and has almost the same parameters, except itself. However, the purpose of the controller is totally different. While it is recommended that you use the link to bind events and create behaviors, the controller should be used to create behaviors that will be shared with other directives by means of the require property: directives.html parking.directive("accordion", function () { return { template: "", restrict: "E", transclude: true, controller: function ($scope, $element, $attrs, $transclude) { var accordionItens = []; var addAccordionItem = function (accordionScope) { accordionItens.push(accordionScope); }; var closeAll = function () { angular.forEach(accordionItens, function (accordionScope) { accordionScope.active = false; }); [ 46 ] www.it-ebooks.info
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AngularJS Essentials Copyright © 2
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About the Author Rodrigo Branas is
Page 7 and 8: About the Reviewers Andrei M. Eichl
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Page 11 and 12: Table of Contents The ngIf directiv
Page 13 and 14: Table of Contents Chapter 7: Unit T
Page 15 and 16: Preface Only 2 months later, I laun
Page 17 and 18: Preface A block of code is set as f
Page 19 and 20: Preface Piracy Piracy of copyright
Page 21 and 22: Getting Started with AngularJS This
Page 23 and 24: Getting Started with AngularJS The
Page 25 and 26: Getting Started with AngularJS
Page 27 and 28: Getting Started with AngularJS app.
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Page 67 and 68: Data Handling The following code is
Page 69 and 70: Data Handling Now, the output will
Page 71 and 72: Data Handling The expected result i
Page 73 and 74: Data Handling Color Entrance
Page 75 and 76: Data Handling Now, let's introduce
Page 77 and 78: Data Handling To finish, we can add
Page 79 and 80: Data Handling The plate must start
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Dependency Injection and Services L
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Dependency Injection and Services r
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Dependency Injection and Services T
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Scope What happens when we change t
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Scope if (newValue == oldValue) ret
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Scope ng-model="username" placehold
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Scope Consider the following code s
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Scope Now, we need to start tickGen
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Modules The UI module The UI module
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Modules }, template: "" + "{{title}
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Modules A major part
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Unit Testing The topics that we'll
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Unit Testing car.entrance = new Dat
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Unit Testing parkingService = _park
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Unit Testing Filters Next, we are g
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Unit Testing Creating the element w
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Unit Testing '' + '' + 'Please info
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Unit Testing $httpBackend.flush();
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Unit Testing var _saveCar = functio
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Unit Testing At the moment, we have
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Unit Testing R
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Unit Testing 'src/parkingCtrl.js',
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Automating the Workflow Installatio
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Automating the Workflow grunt.initC
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Automating the Workflow } }); dist:
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Automating the Workflow } }, lib: {
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Automating the Workflow Cache The r
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directives 129 filters 128 service
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installation, Grunt 146 installatio
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two-way data binding $apply functio
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Dependency Injection with AngularJS
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AngularJS Essentials

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