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Prevent Editing while Grid Is in Edit Mode

Environment

Product Version 2018.2.516
Product Grid for Progress® Kendo UI®

Description

How can I disable the adding and editing of records in a Grid in inline edit mode while the user is actually adding or creating a record?

Solution

  1. Handle the mousedown event of the Grid for all buttons that do not have the .k-grid-cancel and .k-grid-update classes.
  2. In the mousedown event handler, check if a .k-grid-edit-row class exists in the Grid. Based on the result, prevent the default behavior.
<div id="grid"></div>

<script>
    $(document).ready(function() {
        var crudServiceBaseUrl = "https://demos.telerik.com/kendo-ui/service",
            dataSource = new kendo.data.DataSource({
                transport: {
                    read: {
                        url: crudServiceBaseUrl + "/Products",
                        dataType: "jsonp"
                    },
                    update: {
                        url: crudServiceBaseUrl + "/Products/Update",
                        dataType: "jsonp"
                    },
                    destroy: {
                        url: crudServiceBaseUrl + "/Products/Destroy",
                        dataType: "jsonp"
                    },
                    create: {
                        url: crudServiceBaseUrl + "/Products/Create",
                        dataType: "jsonp"
                    },
                    parameterMap: function(options, operation) {
                        if (operation !== "read" && options.models) {
                            return {
                                models: kendo.stringify(options.models)
                            };
                        }
                    }
                },
                batch: true,
                pageSize: 20,
                schema: {
                    model: {
                        id: "ProductID",
                        fields: {
                            ProductID: {
                                editable: false,
                                nullable: true
                            },
                            ProductName: {
                                validation: {
                                    required: true
                                }
                            },
                            UnitPrice: {
                                type: "number",
                                validation: {
                                    required: true,
                                    min: 1
                                }
                            },
                            Discontinued: {
                                type: "boolean"
                            },
                            UnitsInStock: {
                                type: "number",
                                validation: {
                                    min: 0,
                                    required: true
                                }
                            }
                        }
                    }
                }
            });

        $("#grid").kendoGrid({
            dataSource: dataSource,
            pageable: true,
            height: 550,
            toolbar: ["create"],
            sortable: true,
            filterable: true,
            columns: [
                "ProductName",
                {
                    field: "UnitPrice",
                    title: "Unit Price",
                    format: "{0:c}",
                    width: "120px"
                },
                {
                    field: "UnitsInStock",
                    title: "Units In Stock",
                    width: "120px"
                },
                {
                    command: ["edit", "destroy"],
                    title: "&nbsp;",
                    width: "250px"
                }
            ],
            editable: "inline"
        });

        $(".k-grid").on("mousedown", ".k-button:not('.k-grid-cancel,.k-grid-update')", function(e) {
            var grid = $(this).closest(".k-grid");
            var editRow = grid.find(".k-grid-edit-row");

            if (editRow.length > 0) {
                alert("Please complete the editing operation before editing another row");
                e.preventDefault();
            }
        });
    });
</script>
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