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add knockout.js demo

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Pavel Reznikov 2015-01-19 00:52:29 -08:00
commit 0a2170d45a
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Knockout.js demo</title>
<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css">
<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/gridstack.js/0.2.2/gridstack.min.js"/>
<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/font-awesome/4.2.0/css/font-awesome.min.css"/>
<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/gridstack.js/0.2.1/gridstack.min.css"/>
<!-- HTML5 Shim and Respond.js IE8 support of HTML5 elements and media queries -->
<!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
<!--[if lt IE 9]>
<script src="//oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script>
<script src="//oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
<![endif]-->
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jqueryui/1.11.0/jquery-ui.js"></script>
<script src="//code.jquery.com/jquery-migrate-1.2.1.min.js"></script>
<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/underscore.js/1.7.0/underscore-min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/knockout/3.2.0/knockout-min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/knockout.mapping/2.4.1/knockout.mapping.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/gridstack.js/0.2.2/gridstack.min.js"></script>
<style type="text/css">
.grid-stack {
background: lightgoldenrodyellow;
}
.grid-stack-item-content {
color: #2c3e50;
text-align: center;
background-color: #18bc9c;
}
</style>
</head>
<body>
<div class="container-fluid">
<h1>knockout.js Demo</h1>
<div data-bind="component: {name: 'dashboard-grid', params: $data}"></div>
</div>
<script type="text/javascript">
ko.components.register('dashboard-grid', {
viewModel: {
createViewModel: function (controller, componentInfo) {
var ViewModel = function (controller, componentInfo) {
var grid = null;
this.widgets = controller.widgets;
this.afterAddWidget = function (items) {
_.each(items, function (item) {
item = $(item);
if (item.data('_gridstack_node') || item[0].nodeType != 1)
return;
if (grid == null) {
grid = $(componentInfo.element).find('.grid-stack').gridstack({
auto: false
}).data('gridstack');
}
grid.add_widget(item);
ko.utils.domNodeDisposal.addDisposeCallback(item[0], function () {
grid.remove_widget(item);
});
}, this);
};
};
return new ViewModel(controller, componentInfo);
}
},
template:
[
'<div class="grid-stack" data-bind="foreach: {data: widgets, afterRender: afterAddWidget}">',
' <div class="grid-stack-item" data-bind="attr: {\'data-gs-x\': $data.x, \'data-gs-y\': $data.y, \'data-gs-width\': $data.width, \'data-gs-height\': $data.height}">',
' <div class="grid-stack-item-content" data-bind="text: $index"></div>',
' </div>',
'</div>'
].join('\n')
});
$(function () {
var Controller = function (widgets) {
this.widgets = ko.observableArray(widgets);
};
var widgets = [
{x: 0, y: 0, width: 2, height: 2},
{x: 2, y: 0, width: 4, height: 2},
{x: 6, y: 0, width: 2, height: 4},
{x: 1, y: 2, width: 4, height: 2}
];
ko.applyBindings(new Controller(widgets));
});
</script>
</body>
</html>