/*
    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.decimal = Class.create(crudderField, {
		initialize:function($super, field, data, pob){
			$super(field, data,pob)
			this.instID = 'crudderField_decimal.' + parseInt(Math.random()*1000000);
		},
		
		drawEditor : function($super,container,record){
			$super(container, record);
			this.input.observe('change', this.checkForNumber.bindAsEventListener(this))
		},
		
		checkForNumber : function(e){
			try{
				var elem = e.element();
				var value = elem.getValue();
				value = value.replace(',','.');// catch dutch decimal sign
				value = parseFloat(value.toString());
				if ( !this.isfloat(value)){
					this.setError(this.controller.lang.get('error_invalidNumber'));
					return false;
				}else{
					this.clearError();
					// check value against mysql:
					var RPCObj = new crudderRPC(this.controller.config, this.controller.rpcPath);
					RPCObj.attachWaiter(this.controller.waiter, this.controller);
					RPCObj.attachUnWaiter(this.controller.unWaiter, this.controller);
					RPCObj.createCall();
					RPCObj.setCallback(this.setValue.bind(this));
					RPCObj.setMethod('parseValue');
					RPCObj.addArgument('value', value);
					RPCObj.addArgument('field', this.field.name);
					RPCObj.call();
				}
//				elem.value = value;
			}catch (e) {
				if (window.console) console.log(e)
			}
		},
		
		setValue : function(req){
			this.input.value = req.responseJSON[0].value;
		},
		
		isfloat : function(a){
			var n = this.trim(a);
			if (n == 'NaN') return false;
			return n.length>0 && !(/[^0-9.]/).test(n) && (/\.\d/).test(n);
		},
		
		trim : function(s){
			return s.toString().replace(/^\s+|\s+$/g, "");
		}

	})