/**
Simple Validator
A set of Behaviour libary based rule to provide validation function
Goal: enhance server side validation mechanism

@author Akhmad Fathonih (akhmadf@gmail.com)
@version 0.1
@copyright 2006
@see FormHelper.js
*/

var myrules = {
   '.std_form': function(element) {
      element.onsubmit = function() {
         return this.canSubmit();
      },
      element.canSubmit = function() {
		  //alert('submitting form');
         if (this.isRequirementFulfilled())
            return true;
         else {
            // disable submit button
            return false;
         }
      },
      element.getControls = function() {
		  var res = new Array();
         var controls = this.getElementsByTagName("input"); // TODO: include SELECT
         //alert('Got ' + controls.length + ' input elements');

		 for(i=0;i<controls.length;i++) {
            if ((controls.item(i).type!='submit') &&
               (controls.item(i).type!='reset') &&
			   (controls.item(i).type!='radio') &&
			   (controls.item(i).type!='checkbox') &&
			   (controls.item(i).type!='hidden'))
               res.push(controls.item(i));
         }

		 var controls = this.getElementsByTagName("select"); // TODO: include SELECT
		//alert('Got ' + selects.length + ' select elements');
		 for(i=0;i<controls.length;i++) {
			 	//alert('pushing select');
               res.push(controls.item(i));
         }

		 var controls = this.getElementsByTagName("textarea"); // TODO: include TEXTAREA
		 //alert('Got ' + controls.length + ' textarea elements');
		 for(i=0;i<controls.length;i++) {
			 	//alert('pushing select');
               res.push(controls.item(i));
         }

         //alert('Got ' + res.length + ' elements');
         return res;
      },
     element.isRequirementFulfilled = function() {
         // loop over form member and execute is valid
         var controls = this.getControls(); // TODO: include SELECT
         //alert('isRequirementFulfilled::Got ' + controls.length + ' elements');
         var res = true;

         for(i=0;i<controls.length;i++) {
//controls[i].style.backgroundColor = '#CCCCCC';
            //alert('Checking item(' + i + ') named: ' + controls[i].name);

            // some control may not have the isvalid fnuction for it's not tagged with any simple_validator rules. Be merciful
            if (!controls[i].isValid)
               continue;

            var res = controls[i].isValid();
				if (!res) {
               var msg = 'Kesalahan Pengisian Data ';
               if (controls[i].getErrorMessage())
                  msg += ': ' + controls[i].getErrorMessage();

               //alert(controls[i].showBalloon);
               if (controls[i].isBalloonable)
                  controls[i].showBalloon(controls[i].getErrorMessage());
               else
                  alert(msg);
               controls[i].notifyUser();
               break;
            } else {
               controls[i].resetNotifyUser();
               if (controls[i].isBalloonable)
                  controls[i].hideBalloon();
            }

         }

         // debug
         //if (res) alert('Everything is OK');

         return res;
      }
   }
};

Behaviour.register(myrules);