/*
    Copyright (C) 2008  Ivo Toby, Internet Voor Ondernemers, http://www.i-v-o.nl / http://syntacticsugar.nl 

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.

	Crudder Version : 0.50b
 */

	crudderField.numeric = Class.create(crudderField, {
		initialize:function($super, field, data, pob){
			$super(field, data,pob)
			this.instID = 'crudderField_numeric.' + parseInt(Math.random()*1000000);
		},
		
		drawEditor : function($super,container,record){
			$super(container, record);
			this.input.observe('keyup', this.checkForNumber.bindAsEventListener(this))
		},
		
		checkForNumber : function(e){
			var elem = e.element();
			var value = elem.getValue();
			value = parseInt(value);
			if (!this.isnumber(value)){
				this.setError(this.controller.lang.get('error_invalidNumber'));
				return false;
			}else{
				this.clearError();
			}
			elem.value = value;
		},
		
		isnumber : function(a){
			return typeof a == 'number' && isFinite(a);
		}
	})