Created
November 24, 2012 19:14
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Animals
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/// <reference path="//Microsoft.WinJS.1.0/js/base.js" /> | |
/// <reference path="//Microsoft.WinJS.1.0/js/ui.js" /> | |
(function () { | |
"use strict"; | |
WinJS.Namespace.define("Zoo", { | |
Animal: WinJS.Class.define( | |
//constructor | |
function () { | |
this._name = ""; | |
this._age = ""; | |
this._isHungry = false; | |
this._hoursSinceLastFeed = 0; | |
}, | |
//methods | |
{ | |
getName: function () { return this._name; }, | |
setName: function (newValue) { this._name = newValue; }, | |
getAge: function () { return this._age; }, | |
setAge: function (newValue) { this._age = newValue; }, | |
isHungry: function () { return this._isHungry; }, | |
getHoursSinceLastFeed: function () { return this._hoursSinceLastFeed; }, | |
setHoursSinceLastFeed: function (newValue) { | |
this._hoursSinceLastFeed = newValue; | |
//if it has been 4 hours since last feed | |
//the animal is hungry for sure :) | |
if (newValue > 4) { | |
this._isHungry = true; | |
} | |
else { | |
this._isHungry = false; | |
} | |
}, | |
}, | |
//static methods | |
{ | |
buildAnimal: function (model) { | |
var newAnimal = new Zoo.Animal(); | |
if (model.hasOwnProperty("name")) { | |
newAnimal.setName(model.name); | |
} | |
if (model.hasOwnProperty("age")) { | |
newAnimal.setAge(model.age); | |
} | |
if (model.hasOwnProperty("hoursSinceLastFeed")) { | |
newAnimal.setHoursSinceLastFeed(model.hoursSinceLastFeed); | |
} | |
//return a Bindable object | |
return new WinJS.Binding.as(newAnimal); | |
}, | |
loadZoo: function (uri) { | |
//IMPORTANT TO RETURN THE PROMISE | |
return Windows.Storage.StorageFile.getFileFromApplicationUriAsync(uri) | |
.then(function (file) { | |
return Windows.Storage.FileIO.readTextAsync(file) | |
.then(function (textFromFile) { | |
var myParsedJsonData = JSON.parse(textFromFile); | |
//this will store all the new animals transferred to zoo | |
var zoo = new Array(); | |
if (myParsedJsonData) { | |
myParsedJsonData.forEach(function (newObject) { | |
var newAnimal = Zoo.Animal.buildAnimal(newObject); | |
zoo.push(newAnimal); | |
}); | |
} | |
return zoo; | |
}); | |
}); | |
} | |
})//end WinJS.Class.define | |
}); | |
})(); |
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