Integrating Kendo Sortable In Grid

Gowtham K
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Introduction

In this article, I am going to discuss how to integrate the Kendo Sortable control in the Grid so that we can drag and drop the records within a Grid.

Remote Data Source for Kendo Grid

I am going to use the API response given below to construct my remote data source for Kendo Grid which was created in my previous article.

API - http://github-ci-staging.azurewebsites.net/api/Technologies/TechnologiesList

Type - GET.

Testing the APIs, using POSTMAN.

Figure 1

Create a new HTML page. In my case, I named it KendoSortableGrid.cshtml.

KendoSortableGrid.cshtml

<!DOCTYPE html>
<html>
<head>
<base href="http://demos.telerik.com/kendo-ui/sortable/integration-grid">
<style>
html {
font-size: 14px;
font-family: Arial, Helvetica, sans-serif;
}
</style>
<title></title>
<link rel="stylesheet" href="https://kendo.cdn.telerik.com/2017.3.913/styles/kendo.common-material.min.css" />
<link rel="stylesheet" href="https://kendo.cdn.telerik.com/2017.3.913/styles/kendo.material.min.css" />
<link rel="stylesheet" href="https://kendo.cdn.telerik.com/2017.3.913/styles/kendo.material.mobile.min.css" />
<script src="https://kendo.cdn.telerik.com/2017.3.913/js/jquery.min.js"></script>
<script src="https://kendo.cdn.telerik.com/2017.3.913/js/kendo.all.min.js"></script>
</head>
<body>
<div id="example">
<div id="grid"></div>
<script>
$(document).ready(function() {
var grid = $("#grid").kendoGrid({
dataSource: {
type: "json",
transport: {
read: "http://github-ci-staging.azurewebsites.net/api/Technologies/TechnologiesList"
},
schema: {
model: {
fields: {
value: { type: "number" },
text: { type: "string" },
}
}
},
},
scrollable: true,
columns: [
{ field: "value", title: "S No", width: "130px" },
{ field: "text", title: "Technology", width: "130px" },
]
}).data("kendoGrid");
});
</script>
</div>
</body>
</html>

From the code given above, it is obvious that we have constructed a data source for the Kendo Grid using our API, i.e., http://github-ci-staging.azurewebsites.net/api/Technologies/TechnologiesList.

Kendo Grid in Browser

Figure 2

Kendo Sortable

Kendo Sortable makes the DOM element sortable by drag and drop with a mouse or a finger in mobile device.

Integrating Kendo Sortable in Kendo Grid

KendoSortableGrid.cshtml

<!DOCTYPE html>
<html>
<head>
<base href="http://demos.telerik.com/kendo-ui/sortable/integration-grid">
<style>
html {
font-size: 14px;
font-family: Arial, Helvetica, sans-serif;
}
</style>
<title></title>
<link rel="stylesheet" href="https://kendo.cdn.telerik.com/2017.3.913/styles/kendo.common-material.min.css" />
<link rel="stylesheet" href="https://kendo.cdn.telerik.com/2017.3.913/styles/kendo.material.min.css" />
<link rel="stylesheet" href="https://kendo.cdn.telerik.com/2017.3.913/styles/kendo.material.mobile.min.css" />
<script src="https://kendo.cdn.telerik.com/2017.3.913/js/jquery.min.js"></script>
<script src="https://kendo.cdn.telerik.com/2017.3.913/js/kendo.all.min.js"></script>
</head>
<body>
<div id="example">
<div id="grid"></div>
<script>
$(document).ready(function() {
var grid = $("#grid").kendoGrid({
dataSource: {
type: "json",
transport: {
read: "http://github-ci-staging.azurewebsites.net/api/Technologies/TechnologiesList"
},
schema: {
model: {
fields: {
value: { type: "number" },
text: { type: "string" },
}
}
},
},
scrollable: true,
columns: [
{ field: "value", title: "S No", width: "130px" },
{ field: "text", title: "Technology", width: "130px" },
]
}).data("kendoGrid");
grid.table.kendoSortable({
filter: ">tbody >tr",
hint: $.noop,
cursor: "move",
autoScroll: true,
placeholder: function(element) {
return element.clone().addClass("k-state-hover").css("opacity", 0.65);
},
container: "#grid tbody",
change: function(e) {
var skip = grid.dataSource.skip(),
oldIndex = e.oldIndex + skip,
newIndex = e.newIndex + skip,
data = grid.dataSource.data(),
dataItem = grid.dataSource.getByUid(e.item.data("uid"));
grid.dataSource.remove(dataItem);
grid.dataSource.insert(newIndex, dataItem);
}
});
});
</script>
<style>
.k-grid tbody tr {
cursor: move;
}
</style>
</div>
</body>
</html>

"Change event" definition of the Kendo Sortable is used to reorder the index of the data item which is in Grid data source.

Filter - This determines which items are sortable
Container - Determines to which boundaries the hint movement will be constrained
autoScroll - To enable scrolling when there is drag and drop within scrollable Grid

Result in Browser

After reordering the records by drag and drop using mouse,

Figure 3

I hope, you have enjoyed this article. Your valuable feedback, questions, or comments about this article are always welcome.

References

http://docs.telerik.com/kendo-ui/controls/interactivity/sortable/overview

Download the source code here.

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