From c17ae60ac48eaf89d7e64b542b22ee745383e729 Mon Sep 17 00:00:00 2001
From: Pavel Reznikov <pashka.reznikov@gmail.com>
Date: Mon, 9 Mar 2015 21:39:21 -0700
Subject: [PATCH] add serialization demo

---
 demo/serialization.html | 112 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 demo/serialization.html
diff --git a/demo/serialization.html b/demo/serialization.html
new file mode 100644
index 0000000..b596196
--- /dev/null
+++ b/demo/serialization.html
@@ -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>
