jube-fork/Jube.App/wwwroot/kendo/examples/listbox/drag-and-drop.html

<!DOCTYPE html>
<html>
<head>
    <title>Drag & Drop</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" role="application">
    <div class="demo-section k-content wide">
        <img src="../content/web/listbox/arrow-left2right.png" alt="drag-indicator" class="arrow"/>
        <br />
        <select id="discontinued"></select>
        <select id="available"></select>
        <img src="../content/web/listbox/arrow-right2left.png" alt="drag-indicator" class="arrow"/>
        <button id="save-changes-btn">Save changes</button>
    </div>
</div>

<script>
    $(document).ready(function () {
        var crudServiceBaseUrl = "https://demos.telerik.com/kendo-ui/service",
            dataSource = new kendo.data.DataSource({
                serverFiltering: false,
                transport: {
                    read: {
                        url: crudServiceBaseUrl + "/Products",
                        dataType: "jsonp"
                    },
                    update: {
                        url: crudServiceBaseUrl + "/Products/Update",
                        dataType: "jsonp"
                    },
                    parameterMap: function (options, operation) {
                        if (operation !== "read" && options.models) {
                            return { models: kendo.stringify(options.models) };
                        }
                    }
                },
                requestStart: function () { 
                    kendo.ui.progress($(".demo-section"), true);
                },
                requestEnd: function () {
                    kendo.ui.progress($(".demo-section"), false);
                },
                batch: false,
                schema: {
                    model: {
                        id: "ProductID",
                        fields: {
                            ProductID: { editable: false, nullable: true },
                            Discontinued: { type: "boolean" },
                        }
                    }
                }
            });

        dataSource.fetch(function () {
            var data = this.data();
            var discontinued = $("#discontinued").data("kendoListBox");
            var available = $("#available").data("kendoListBox");

            for (var i = 0; i < data.length; i++) {
                if (data[i].Discontinued) {
                    discontinued.add(data[i]);
                }
                else {
                    available.add(data[i]);
                }
            }
        });

        $("#discontinued").kendoListBox({
            draggable: true,
            connectWith: "available",
            dropSources: ["available"],
            dataTextField: "ProductName",
            dataValueField: "ProductID",
            remove: function (e) {
                setDiscontinued(e, false);
            },
            add: function (e) {
                setDiscontinued(e, true);
            }
        });

        $("#available").kendoListBox({
            draggable: true,
            connectWith: "discontinued",
            dropSources: ["discontinued"],
            dataTextField: "ProductName",
            dataValueField: "ProductID"
        });

        $("#save-changes-btn").kendoButton({
            click: function (e) {
                dataSource.sync();
            }
        });

        function setDiscontinued(e, flag) {
            var removedItems = e.dataItems;
            for (var i = 0; i < removedItems.length; i++) {
                var item = dataSource.get(removedItems[i].ProductID);
                item.Discontinued = flag;
                item.dirty = !item.dirty;
            }
        }
    });
</script>

<style>
    #example .k-listbox .k-item{
        cursor: move;
    }

    #example .arrow {
        padding: 8px 0 5px 238px;
    }

    #save-changes-btn {
        float: right;
        margin-top: 20px;    
    }

    #example .demo-section {
        max-width: none;
        width: 640px;
    }

    #example .k-listbox {
        width: 275px;
        height: 310px;
    }
</style>


    
</body>
</html>