Signature

From Documentation

Signature

[ ZK EE ]
[ since 8.6.0 ]

Employment/Purpose

A Signature component represents a signature pad which can let user to take a signature on zk. It supports the desktop and touch-panel device. The Signature widget provides save, undo and clear API, you can save undo and clear the SignaturePad with this API. And Signature also provide a build-in tool bar to control the API.

Example

Signaturezkoss.jpg

  <signature id="s" height="100px" width="400px" style="border: 1px solid black;"'/>

Undo Save Clear

There are some of APIs to control the Signature widget. Undo is removing the last step which was drawn on the signature pad. Save is saving the signature data to the server side as a base64 data type, user can get the image data by getImage() or getSignatureBase64(). Clear is to clear signature pad, and the signature pad would reset to empty.

Toolbar

The attribute of the tool bar is a boolean value, it controls the visibility of the tool bar, if the value is true, the user can use and see the tool bar, if not, they won't. And the user can customize css by using less, to reset the toolbar's position, size and some other features.

penSize penColor backgroundColor

There are some attributes to control the basic properties of the signature pad. The penSize is the pen size of the signature pad, the penColor is the pen color of the signature pad, and the backgroundColor is the backgroundColor of the signature pad.

Supported Events

Name
Event Type
onSave
Event: Event

When user invoke the save method, the event would be triggered.

onClear
Event: Event

When user invoke the clear method, the event would be triggered.

Version History

Last Update : 2018/10/04


Version Date Content
8.6.0 August 2018



Last Update : 2018/10/04

Copyright © Potix Corporation. This article is licensed under GNU Free Documentation License.