/* (c) 2005 - Laurent Houdard <laurent@houdard.net> 
   $Id: formvalid.js,v 1.2 2005/09/09 07:26:39 lh Exp $ */

function formValid(form) {
  var W3CDOM = (document.createElement && document.getElementsByTagName);
  if (!W3CDOM) { return true; }

  var check = new Array();
  var post  = new Array();

  var labels = form.getElementsByTagName('LABEL');
  if (labels) {
    for (var i = 0; i < labels.length; i++) {
      var label = labels[i];
      var labelfor = label.getAttribute('FOR');
      if (!labelfor) { labelfor = label.getAttribute('HTMLFOR'); } // IE
      var input = document.getElementById(labelfor);
      var str = label.firstChild.nodeValue;
      if (input.className) {
	var classes = input.className.split(" ");
	for (var j = 0; j < classes.length; j++) {
	  var fcheck = 'formValid_'+classes[j];
	  if (window[fcheck]) {
	    check.push({func: fcheck, str: str, input: input});
	  }
	  var fsubmit = 'formValid_'+classes[j]+'_submit';
	  if (window[fsubmit]) {
	    post.push({func: fsubmit, input: input});
	  }
	}
      }
    }
  }

  var error = '';

  while (check.length) {
    var c = check.pop();
    var e = window[c.func](c.str, c.input);
    if (e) { error += e+'\n'; }
  }

  if (error != '') {
    alert(error);
    return false;
  }

  while (post.length) {
    var p = post.pop();
    window[p.func](p.input);
  }

  return true;
}

function formValid_isInt(str, input) {
  var data = input.value;
  return ((data != '' && !data.match(/^([-]?[0-9]+)$/)) ?
	  'Le champ "'+str+'" doit être un entier' : '');
}

function formValid_isFloat(str, input) {
  var data = input.value;
  return ((data != '' && !data.match(/^([-]?\d+(\.\d+)?)$/)) ?
	  'Le champ "'+str+'" doit être un nombre' : '');
}

function formValid_mandatory(str, input) {
  var data = input.value;
  return ((data == '') ? 'Le champ "'+str+'" est obligatoire' : '');
}

function formValid_checkPasswd(str, input) {
  var p1 = document.getElementById(input.id+'_1');
  var p2 = document.getElementById(input.id+'_2');
  if (p1.value != p2.value) {
    p1.value = '';
    p2.value = '';
    return 'Erreur dans la confirmation du mot de passe';
  }
  return '';
}

function formValid_checkPasswd_submit(input) {
  var p1 = document.getElementById(input.id+'_1');
  var p2 = document.getElementById(input.id+'_2');
  if (p1.value != '') {
    input.disabled = false;
    input.value = calcMD5(p1.value);
  }
  p1.disabled = true;
  p2.disabled = true;
}