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August 29, 2014 00:19
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Módulos de controllers e função de ordenar no ng-click
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<!doctype html> | |
<html data-ng-app="workshopBeMEAN"> | |
<title>{{ workshop }}</title> | |
<body> | |
<div data-ng-controller='BeerController'> | |
<!-- Exibição do array de cervejas setado no BeerController --> | |
{{ cervejas }} | |
<pre>Sorting predicate = {{predicate}}; reverse = {{reverse}}</pre> | |
<a href="" data-ng-click="predicate = 'name'; reverse=!reverse">Nome</a> | |
<p> | |
<button data-ng-click='ordenar()'>Ordenar</button> | |
</p> | |
<!-- Listamos as cervejas do nosso escopo a diretiva ng-repeat --> | |
<ul> | |
<!-- instanciamos o valor de cada cerveja em beer --> | |
<li data-ng-repeat='beer in cervejas | orderBy: predicate:reverse'> | |
<!-- recuperamos os valores de name e price de cada cerveja --> | |
{{ beer.name }} - {{ beer.price }} | |
</li> | |
</ul> | |
</div> | |
<script src="angular.min.js"></script> | |
<script> | |
angular.module('workshopBeMEAN', ['workshopFilters', 'workshopControllers']); | |
angular.module('workshopControllers', []) | |
.controller('BeerController', ['$scope', | |
function($scope){ | |
$scope.reverse = true; | |
$scope.predicate = 'name'; | |
$scope.ordenar = function(){ | |
$scope.reverse = true; | |
$scope.predicate = 'price'; | |
} | |
$scope.cervejas = [{ | |
name: 'Kaiser', price: 2 | |
}, { | |
name: 'Skol', price: 3 | |
}, { | |
name: 'Glacial', price: 4 | |
}, { | |
name: 'Polar', price: 6 | |
}, { | |
name: 'Heineken', price: 10 | |
} | |
]; | |
}]); | |
angular.module('workshopFilters', []) | |
.filter('reverseName', function () { | |
return function (text) { | |
if(text) | |
return text.split("").reverse().join(""); | |
}; | |
}) | |
.filter('truncate', function () { | |
return function (text, length, end) { | |
if (isNaN(length)) | |
length = 10; | |
if (end === undefined) | |
end = "..."; | |
if (text.length <= length || text.length - end.length <= length) { | |
return text; | |
} | |
else { | |
return String(text).substring(0, length-end.length) + end; | |
} | |
}; | |
}); | |
</script> | |
</body> | |
</html> | |
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