Created
May 16, 2014 18:58
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Angular forms
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'use strict'; | |
angular.module('quizApp') | |
.factory('Question', function () { | |
var Question = function (question, answers, correct_answer) { | |
this.question = question; | |
this.answers = []; | |
this.correct_answer = correct_answer; | |
}; | |
Question.prototype.isCorrect = function () { | |
return this.selected_answer === this.correct_answer; | |
}; | |
Question.prototype.isAnswered = function () { | |
return typeof this.selected_answer !== 'undefined'; | |
}; | |
Question.prototype.selectAnswer = function (answer) { | |
this.selected_answer = answer; | |
return this; | |
}; | |
return Question; | |
}); |
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'use strict'; | |
angular.module('quizApp') | |
.controller('QuizCtrl', function ($scope, Quiz, Question) { | |
$scope.quiz = new Quiz('JS Quiz'); | |
$scope.question = new Question(); | |
$scope.addAnswer = function (question, answer) { | |
question.answers.push(answer.text); | |
if (answer.correct) question.correct_answer_index = question.answers.length - 1; | |
$scope.answer = {}; | |
}; | |
$scope.displayColor = function (question) { | |
if (!question.isAnswered()) return 'black'; | |
return question.isCorrect() ? 'green' : 'red'; | |
}; | |
}); |
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'use strict'; | |
angular.module('quizApp') | |
.factory('Quiz', function () { | |
var Quiz = function (name) { | |
this.name = name; | |
this.questions = []; | |
}; | |
return Quiz; | |
}); |
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<h1>{{quiz.name}}</h1> | |
<form name="myForm" ng-submit="quiz.questions.push(question)"> | |
<h1>{{myForm.$valid}}</h1> | |
<input type="text" placeholder="Question" ng-model="question.question" required minlength="10" /> | |
<input type="text" placeholder="Answer" ng-model="answer.text" ng-repeat="i in [0,1,2,3]" /> | |
<!-- <label>Correct <input type="checkbox" ng-model="answer.correct" /></label> --> | |
<button type="button" ng-click="addAnswer(i, question, answer)">Add Answer</button> | |
<div> | |
<button type="submit" ng-disabled="myForm.$invalid">Add Question</button> | |
</div> | |
</form> | |
<div ng-repeat="question in quiz.questions"> | |
<p ng-style="{color: displayColor(question)}">{{question.question}}</p> | |
<button | |
ng-repeat="answer in question.answers" | |
ng-click="question.selectAnswer(answer)" | |
ng-disabled="question.isAnswered()" | |
> | |
{{answer}} | |
</button> | |
</div> |
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