Created
August 4, 2012 09:27
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Viewmodels - Sample 1
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<html> | |
<head> | |
<link rel="stylesheet" href="http://current.bootstrapcdn.com/bootstrap-v204/css/bootstrap-combined.min.css"></link> | |
<script type="text/javascript" src="http://ajax.aspnetcdn.com/ajax/knockout/knockout-2.1.0.js"></script> | |
<script type="text/javascript" src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.7.2.js"></script> | |
<script type="text/javascript" src="http://ajax.aspnetcdn.com/ajax/jquery.ui/1.8.21/jquery-ui.js"></script> | |
<script type="text/javascript" src="http://current.bootstrapcdn.com/bootstrap-v204/js/bootstrap.min.js"></script> | |
<script type="text/javascript"> | |
var PageViewModel = function() { | |
if (!this instanceof PageViewModel) { | |
return new PageViewModel(); | |
} | |
var self = this; | |
self.SomeThing = ko.observable(0); | |
self.SomeOtherThing = ko.observable(0); | |
self.SomeVariable = ko.observable(''); | |
self.CanEdit = ko.observable(true); | |
self.CanSave = ko.observable(true); | |
self.Save = function() { | |
//Some save action goes here ... | |
alert('Hello World: ' + self.SomeVariable()); | |
}; | |
//Maybe some more behavior that steers these observables ... | |
return self; | |
}; | |
$(function() { | |
var pageViewModel = new PageViewModel(); | |
ko.applyBindings(pageViewModel,$("#bindMe").get(0)); | |
}); | |
</script> | |
</head> | |
<body id="bindMe"> | |
<form> | |
<div data-bind="visible: SomeThing() > 50 && SomeOtherThing() < 30">Some content to show when that expression is true.</div> | |
<input name="someVariable" type="text" data-bind="value: SomeVariable, enable: CanEdit" /> | |
<button data-bind="enable: CanSave, click: Save">Save Me</button> | |
</form> | |
</body> | |
</html> |
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