jube-fork/Jube.App/wwwroot/kendo/examples/grid/offline.html

<!DOCTYPE html>
<html>
<head>
    <title>Working Offline</title>
    <meta charset="utf-8">
    <link href="../content/shared/styles/examples-offline.css" rel="stylesheet">
    <link href="../../styles/kendo.common.min.css" rel="stylesheet">
    <link href="../../styles/kendo.rtl.min.css" rel="stylesheet">
    <link href="../../styles/kendo.default.min.css" rel="stylesheet">
    <link href="../../styles/kendo.default.mobile.min.css" rel="stylesheet">
    <script src="../../js/jquery.min.js"></script>
    <script src="../../js/jszip.min.js"></script>
    <script src="../../js/kendo.all.min.js"></script>
    <script src="../content/shared/js/console.js"></script>
    <script>
        
    </script>
    
    
</head>
<body>
    
        <a class="offline-button" href="../index.html">Back</a>
    
    <div id="example">

    <div class="configurator"> 
        <div class="box-col">
            <h4>Information</h4>
            <p>This example demonstrates the offline support of the Kendo DataSource.</p>
            <ol>
                <li>Use the switch to go in offline mode.</li>
                <li>Create, update or destroy grid items.</li>
                <li>Use the switch to go in online mode. The data source will sync all changes made while offline.</li>
            </ol>
        </div>
    </div>

    <div class="demo-section">
        <h4>Online</h4>
        <div style="padding-bottom: 30px;">
            <input id="online" type="checkbox" checked>
        </div>

        <div id="grid"></div>        
    </div>
    <script>
        var dataSource = new kendo.data.DataSource({
            offlineStorage: "offline-kendo-demo",
            transport: {
                read:  {
                    url: "https://demos.telerik.com/kendo-ui/service/products",
                    dataType: "jsonp"
                },
                update: {
                    url: "https://demos.telerik.com/kendo-ui/service/products/update",
                    dataType: "jsonp"
                },
                destroy: {
                    url: "https://demos.telerik.com/kendo-ui/service/products/destroy",
                    dataType: "jsonp"
                },
                create: {
                    url: "https://demos.telerik.com/kendo-ui/service/products/create",
                    dataType: "jsonp"
                },
                parameterMap: function(options, operation) {
                    if (operation !== "read" && options.models) {
                        return {models: kendo.stringify(options.models)};
                    }
                }
            },
            requestStart: function(e) {
                if (e.type != "read") {
                    kendoConsole.log(kendo.format("Request start ({0})", e.type));
                }
            },
            requestEnd: function(e) {
                if (e.type != "read") {
                    kendoConsole.log(kendo.format("Request end ({0})", e.type));
                }
            },
            batch: true,
            pageSize: 20,
            schema: {
                model: {
                    id: "ProductID",
                    fields: {
                        ProductID: { editable: false, nullable: true },
                        UnitPrice: { type: "number", validation: { min: 1} },
                        Discontinued: { type: "boolean" },
                        UnitsInStock: { type: "number", validation: { min: 0, required: true } }
                    }
                }
            }
        });

        var online = localStorage["kendo-grid-online"] == "true" || localStorage["kendo-grid-online"] === undefined;

        kendoConsole.log("Working " + (online ? "kendo-grid-online" : "offline"));

        if (!online) {
            $("#online").removeAttr("checked");
            dataSource.online(false);
        }

        $("#online").kendoSwitch({
            value: online,
            change: function() {
                online = this.value();

                kendoConsole.log("Working " + (online ? "kendo-grid-online" : "offline"));

                localStorage["kendo-grid-online"] = online;

                dataSource.online(online);
            }
        });

        $("#grid").kendoGrid({
            dataSource: dataSource,
            pageable: {
                refresh: true
            },
            height: 450,
            toolbar: [ "create" ],
            columns: [
                "ProductName",
                { field: "UnitsInStock", title:"Units In Stock", width: "120px" },
                { command: ["edit", "destroy"], title: "&nbsp;", width: "250px" }
            ],
            editable: "inline"
        });
    </script>
</div>


    
</body>
</html>