Custom controller for automatically uppercasing last_name value when field loses focus

record.js

({
	/* Author: Angel Magaña -- cheleguanaco@cheleguanaco.com
	*  File: ./custom/modules/<Module>/clients/base/views/record/record.js
	*	
	*  Custom RecordView controller for automatically converting
	*  last_name value to upper when focus is lost
	*/

	extendsFrom:'RecordView',
	
	initialize: function(options){
		this._super('initialize', [options]);
		
		//Add event that listens for blur event on last_name field
		this.events['blur input[name=last_name]'] = 'doUpperLast';
	},
	
	doUpperLast: function(){
		//Get current value of last_name
		var sLast = this.model.get('last_name');
		
		//Convert last_name value to upper if not empty
		if (!_.isEmpty(sLast))
		{
			this.model.set('last_name', sLast.toUpperCase());
		}
	},
	
})