How restrict the drag element between one boundary in Angular Material 7 CDK?

Question

For my current project am trying to implement the drag element one position to another position inside one div. For this I am using the Angular Material 7 CDK drag and drop features. it dragging all over the page but want to only drag inside particular div. But I didn't see any option to control the boundary in Angular Material 7 CDK drag and drop.

Can anyone tell me how to control boundary in material or suggestion some other plugins which is compactable for angular 7. ?

Thanks.

Answer 1

You can use cdkDragBoundary which will be useful to prevent the user from being able to drag an element outside of another element.

You can use it as following:

<div class="example-boundary">
  <div class="example-box" cdkDragBoundary=".example-boundary" cdkDrag>
    I can only be dragged within the dotted container
  </div>
</div>

You can read more about it from here Angular Material Restricting movement within an element

Answer 2

Blockquote cdkDragBoundary

 .example-box { width: 200px; height: 200px; border: solid 1px #ccc; color: rgba(0, 0, 0, 0.87); cursor: move; display: inline-flex; justify-content: center; align-items: center; text-align: center; background: #fff; border-radius: 4px; margin-right: 25px; position: relative; z-index: 1; box-sizing: border-box; padding: 10px; transition: box-shadow 200ms cubic-bezier(0, 0, 0.2, 1); box-shadow: 0 3px 1px -2px rgba(0, 0, 0, 0.2), 0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 1px 5px 0 rgba(0, 0, 0, 0.12); } .example-box:active { box-shadow: 0 5px 5px -3px rgba(0, 0, 0, 0.2), 0 8px 10px 1px rgba(0, 0, 0, 0.14), 0 3px 14px 2px rgba(0, 0, 0, 0.12); } .example-boundary { width: 400px; height: 400px; max-width: 100%; border: dotted #ccc 2px; }

 <div class="example-boundary"> <div class="example-box" cdkDragBoundary=".example-boundary" cdkDrag> I can only be dragged within the dotted container </div> </div> <!-- Copyright 2021 Google LLC. All Rights Reserved. Use of this source code is governed by an MIT-style license that can be found in the LICENSE file at https://angular.io/license -->