I think this link will also be useful to you: http://www.odoo.yenthevg.com/creating-many2many-drag-and-drop-handle-widget-in-odoo/

Yea,We've checked ur module.U've done really nice job.& our module captures the sign from another Hardware.Bt I cant understand code of '.save_sign'. pls, Guide me how that sign is saved in database.

Pujabaa, this.save_list.push(save_obj); does it! You got trained under javascript? You may ask specific questions on contact@serpentcs.com, as it willbe hard to type it all here.

Hi, I installed Digital signature in odoo version 8. It working using mouse click event. How to make work in iphone or ipad in touch screen? Thanks

The above module working fine in normal form. But we are facing issue while adding signature fields in one2many related table. For example, Sale order Line added signature fields and created new entry added signature, while edit and save record facing below error:- TypeError: this.find(...).add(...).data(...) is undefined Please let me know the possible solutions to fix the above issue.

Thanks for the module, I can save the signature binary but how to retrieve it and display to the form after save.