deblan/gridstack.js
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add serialization demo

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Pavel Reznikov 2015-03-09 21:39:21 -07:00
commit a124143a69
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README.md
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@ -538,6 +538,8 @@ var res = _.map($('.grid-stack .grid-stack-item:visible'), function (el) {
alert(JSON.stringify(res));
```
See example: [Serialization demo](http://troolee.github.io/gridstack.js/demo/serialization.html)
You can also use `onchange` event if you need to save only changed widgets right away they have been changed.
## Load grid from array
@ -565,6 +567,8 @@ _.each(serialization, function (node) {
});
```
See example: [Serialization demo](http://troolee.github.io/gridstack.js/demo/serialization.html)
If you're using knockout there is no need for such method at all.
## Override resizable/draggable options

112
demo/serialization.html Normal file
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@ -0,0 +1,112 @@
<!DOCTYPE html>
<html lang="en">
<head>
<!--[if lt IE 9]>
<script src="http://html5shim.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Serialization 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/font-awesome/4.2.0/css/font-awesome.min.css"/>
<link rel="stylesheet" href="../src/gridstack.css"/>
<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="//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="../src/gridstack.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>Serialization demo</h1>
<div>
<a class="btn btn-default" id="save-grid" href="#">Save Grid</a>
<a class="btn btn-default" id="load-grid" href="#">Load Grid</a>
<a class="btn btn-default" id="clear-grid" href="#">Clear Grid</a>
</div>
<br/>
<div class="grid-stack">
</div>
<hr/>
<textarea id="saved-data" cols="100" rows="20" readonly="readonly"></textarea>
</div>
<script type="text/javascript">
$(function () {
var options = {
};
$('.grid-stack').gridstack(options);
new function () {
this.serialized_data = [
{x: 0, y: 0, width: 2, height: 2},
{x: 3, y: 1, width: 1, height: 2},
{x: 4, y: 1, width: 1, height: 1},
{x: 2, y: 3, width: 3, height: 1},
{x: 1, y: 4, width: 1, height: 1},
{x: 1, y: 3, width: 1, height: 1},
{x: 2, y: 4, width: 1, height: 1},
{x: 2, y: 5, width: 1, height: 1}
];
this.grid = $('.grid-stack').data('gridstack');
this.load_grid = function () {
this.grid.remove_all();
var items = GridStackUI.Utils.sort(this.serialized_data);
_.each(items, function (node) {
this.grid.add_widget($('<div><div class="grid-stack-item-content" /><div/>'),
node.x, node.y, node.width, node.height);
}, this);
}.bind(this);
this.save_grid = function () {
this.serialized_data = _.map($('.grid-stack > .grid-stack-item:visible'), function (el) {
el = $(el);
var node = el.data('_gridstack_node');
return {
x: node.x,
y: node.y,
width: node.width,
height: node.height
};
}, this);
$('#saved-data').val(JSON.stringify(this.serialized_data, null, ' '));
}.bind(this);
this.clear_grid = function () {
this.grid.remove_all();
}.bind(this);
$('#save-grid').click(this.save_grid);
$('#load-grid').click(this.load_grid);
$('#clear-grid').click(this.clear_grid);
this.load_grid();
};
});
</script>
</body>
</html>