Prado.Validation =Class.create();
Object.extend(Prado.Validation,
{
managers : {},
validate : function(formID, groupID)
{
if(this.managers[formID])
{
return this.managers[formID].validate(groupID);
}
else
{
throw new Error("Form '"+form+"' is not registered with Prado.Validation");
}
},
isValid : function(formID, groupID)
{
if(this.managers[formID])
return this.managers[formID].isValid(groupID);
return true;
},
addValidator : function(formID, validator)
{
if(this.managers[formID])
this.managers[formID].addValidator(validator);
else
throw new Error("A validation manager for form '"+formID+"' needs to be created first.");
return this.managers[formID];
},
addSummary : function(formID, validator)
{
if(this.managers[formID])
this.managers[formID].addSummary(validator);
else
throw new Error("A validation manager for form '"+formID+"' needs to be created first.");
return this.managers[formID];
}
});
Prado.ValidationManager = Class.create();
Prado.ValidationManager.prototype =
{
validators : [],
summaries : [],
groups : [],
options : {},
initialize : function(options)
{
this.options = options;
Prado.Validation.managers[options.FormID] = this;
},
validate : function(group)
{
if(group)
return this._validateGroup(group);
else
return this._validateNonGroup();
},
_validateGroup: function(groupID)
{
var valid = true;
if(this.groups.include(groupID))
{
this.validators.each(function(validator)
{
if(validator.group == groupID)
valid = valid & validator.validate();
else
validator.hide();
});
}
this.updateSummary(groupID, true);
return valid;
},
_validateNonGroup : function()
{
var valid = true;
this.validators.each(function(validator)
{
if(!validator.group)
valid = valid & validator.validate();
else
validator.hide();
});
this.updateSummary(null, true);
return valid;
},
isValid : function(group)
{
if(group)
return this._isValidGroup(group);
else
return this._isValidNonGroup();
},
_isValidNonGroup : function()
{
var valid = true;
this.validators.each(function(validator)
{
if(!validator.group)
valid = valid & validator.isValid;
});
return valid;
},
_isValidGroup : function(groupID)
{
var valid = true;
if(this.groups.include(groupID))
{
this.validators.each(function(validator)
{
if(validator.group == groupID)
valid = valid & validator.isValid;
});
}
return valid;
},
addValidator : function(validator)
{
this.validators.push(validator);
if(validator.group && !this.groups.include(validator.group))
this.groups.push(validator.group);
},
addSummary : function(summary)
{
this.summaries.push(summary);
},
getValidatorsWithError : function(group)
{
var validators = this.validators.findAll(function(validator)
{
var notValid = !validator.isValid;
var inGroup = group && validator.group == group;
var noGroup = validator.group == null;
return notValid && (inGroup || noGroup);
});
return validators;
},
updateSummary : function(group, refresh)
{
var validators = this.getValidatorsWithError(group);
this.summaries.each(function(summary)
{
var inGroup = group && summary.group == group;
var noGroup = !group && !summary.group;
if(inGroup || noGroup)
summary.updateSummary(validators, refresh);
else
summary.hideSummary(true);
});
}
};
Prado.WebUI.TValidationSummary = Class.create();
Prado.WebUI.TValidationSummary.prototype = 
{
group : null,
options : {},
visible : false,
summary : null,
initialize : function(options)
{
this.options = options;
this.group = options.ValidationGroup;
this.summary = $(options.ID);
this.visible = this.summary.style.visibility != "hidden"
this.visible = this.visible && this.summary.style.display != "none";
Prado.Validation.addSummary(options.FormID, this);
},
updateSummary : function(validators, update)
{
if(validators.length <= 0)
return this.hideSummary(update);
var refresh = update || this.visible == false || this.options.Refresh != false;
if(this.options.ShowSummary != false && refresh)
{
this.displayHTMLMessages(this.getMessages(validators));
this.visible = true;
}
if(this.options.ScrollToSummary != false)
window.scrollTo(this.summary.offsetLeft-20, this.summary.offsetTop-20);
if(this.options.ShowMessageBox == true && refresh)
{
this.alertMessages(this.getMessages(validators));
this.visible = true;
}
},
displayHTMLMessages : function(messages)
{
this.summary.show();
this.summary.style.visibility = "visible";
while(this.summary.childNodes.length > 0)
this.summary.removeChild(this.summary.lastChild);
new Insertion.Bottom(this.summary, this.formatSummary(messages));
},
alertMessages : function(messages)
{
var text = this.formatMessageBox(messages);
setTimeout(function(){ alert(text); },20);
},
getMessages : function(validators)
{
var messages = [];
validators.each(function(validator)
{ 
var message = validator.getErrorMessage();
if(typeof(message) == 'string' && message.length > 0)
messages.push(message);
})
return messages;
},
hideSummary : function(refresh)
{
if(refresh || this.options.Refresh != false)
{
if(this.options.Display == "None" || this.options.Display == "Dynamic")
this.summary.hide();
this.summary.style.visibility="hidden";
this.visible = false;
}
},
formats : function(type)
{
switch(type)
{
case "List":
return { header : "<br />", first : "", pre : "", post : "<br />", last : ""};
case "SingleParagraph":
return { header : " ", first : "", pre : "", post : " ", last : "<br />"};
case "BulletList":
default:
return { header : "", first : "<ul>", pre : "<li>", post : "</li>", last : "</ul>"};
}
},
formatSummary : function(messages)
{
var format = this.formats(this.options.DisplayMode);
var output = this.options.HeaderText ? this.options.HeaderText + format.header : "";
output += format.first;
messages.each(function(message)
{
output += message.length > 0 ? format.pre + message + format.post : "";
});
output += format.last;
return output;
},
formatMessageBox : function(messages)
{
var output = this.options.HeaderText ? this.options.HeaderText + "\n" : "";
for(var i = 0; i < messages.length; i++)
{
switch(this.options.DisplayMode)
{
case "List":
output += messages[i] + "\n";
break;
case "BulletList":
default:
output += "- " + messages[i] + "\n";
break;
case "SingleParagraph":
output += messages[i] + " ";
break;
}
}
return output;
}
};
Prado.WebUI.TBaseValidator = Class.create();
Prado.WebUI.TBaseValidator.prototype = 
{
enabled : true, 
visible : false,
isValid : true, 
options : {},
_isObserving : {},
group : null,
manager : null,
initialize : function(options)
{
options.OnValidate = options.OnValidate || Prototype.emptyFunction;
options.OnSuccess = options.OnSuccess || Prototype.emptyFunction;
options.OnError = options.OnError || Prototype.emptyFunction;
this.options = options;
this.control = $(options.ControlToValidate);
this.message = $(options.ID);
this.group = options.ValidationGroup;
this.manager = Prado.Validation.addValidator(options.FormID, this);
},
getErrorMessage : function()
{
return this.options.ErrorMessage;
},
updateControl: function()
{
if(this.message)
{
if(this.options.Display == "Dynamic")
this.isValid ? this.message.hide() : this.message.show();
this.message.style.visibility = this.isValid ? "hidden" : "visible";
}
if(this.control)
this.updateControlCssClass(this.control, this.isValid);
if(this.options.FocusOnError && !this.isValid)
Prado.Element.focus(this.options.FocusElementID);
this.visible = true;
},
updateControlCssClass : function(control, valid)
{
var CssClass = this.options.ControlCssClass;
if(typeof(CssClass) == "string" && CssClass.length > 0)
{
if(valid)
control.removeClassName(CssClass);
else
control.addClassName(CssClass);
}
},
hide : function()
{
this.isValid = true;
this.updateControl();
this.visible = false;
},
validate : function()
{
if(this.enabled)
this.isValid = this.evaluateIsValid();
this.options.OnValidate(this);
this.updateControl();
if(this.isValid)
this.options.OnSuccess(this);
else
this.options.OnError(this);
this.observeChanges(this.control);
return this.isValid;
},
observeChanges : function(control)
{
if(!control) return;
var canObserveChanges = this.options.ObserveChanges != false;
var currentlyObserving = this._isObserving[control.id+this.options.ID];
if(canObserveChanges && !currentlyObserving)
{
var validator = this;
Event.observe(control, 'change', function()
{
if(validator.visible)
{
validator.validate();
validator.manager.updateSummary(validator.group);
}
});
this._isObserving[control.id+this.options.ID] = true;
}
},
trim : function(value)
{
return typeof(value) == "string" ? value.trim() : "";
},
convert : function(dataType, value)
{
if(typeof(value) == "undefined")
value = this.getValidationValue();
var string = new String(value);
switch(dataType)
{
case "Integer":
return string.toInteger();
case "Double" :
case "Float" :
return string.toDouble(this.options.DecimalChar);
case "Date":
if(typeof(value) != "string")
return value;
else
{
var value = string.toDate(this.options.DateFormat);
if(value && typeof(value.getTime) == "function")
return value.getTime();
else
return null;
}
case "String":
return string.toString();
}
return value;
},
getValidationValue : function(control)
 {
 if(!control)
 control = this.control
 switch(this.options.ControlType)
 {
 case 'TDatePicker':
 if(control.type == "text")
 return this.trim($F(control));
 else
 {
 this.observeDatePickerChanges();
return Prado.WebUI.TDatePicker.getDropDownDate(control).getTime();
 }
 default:
 if(this.isListControlType())
 return this.getFirstSelectedListValue(); 
 else
 return this.trim($F(control));
 }
 },
observeDatePickerChanges : function()
 {
 if(Prado.Browser().ie)
 {
 var DatePicker = Prado.WebUI.TDatePicker;
 this.observeChanges(DatePicker.getDayListControl(this.control));
this.observeChanges(DatePicker.getMonthListControl(this.control));
this.observeChanges(DatePicker.getYearListControl(this.control));
 }
 },
getSelectedValuesAndChecks : function(elements, initialValue)
{
var checked = 0;
var values = [];
var isSelected = this.isCheckBoxType(elements[0]) ? 'checked' : 'selected';
elements.each(function(element)
{
if(element[isSelected] && element.value != initialValue)
{
checked++;
values.push(element.value);
}
});
return {'checks' : checked, 'values' : values};
}, 
getListElements : function()
{
switch(this.options.ControlType)
{
case 'TCheckBoxList': case 'TRadioButtonList':
var elements = [];
for(var i = 0; i < this.options.TotalItems; i++)
{
var element = $(this.options.ControlToValidate+"_"+i);
if(this.isCheckBoxType(element))
elements.push(element);
}
return elements;
case 'TListBox':
var elements = [];
var element = $(this.options.ControlToValidate);
if(element && (type = element.type.toLowerCase()))
{ 
if(type == "select-one" || type == "select-multiple")
elements = $A(element.options);
}
return elements;
default:
return [];
}
},
isCheckBoxType : function(element)
{
if(element && element.type)
{
var type = element.type.toLowerCase();
return type == "checkbox" || type == "radio";
}
return false;
},
isListControlType : function()
{
var list = ['TCheckBoxList', 'TRadioButtonList', 'TListBox'];
return list.include(this.options.ControlType);
},
getFirstSelectedListValue : function()
{
var initial = "";
if(typeof(this.options.InitialValue) != "undefined")
initial = this.options.InitialValue;
var elements = this.getListElements();
var selection = this.getSelectedValuesAndChecks(elements, initial);
return selection.values.length > 0 ? selection.values[0] : initial;
}
}
Prado.WebUI.TRequiredFieldValidator = Class.extend(Prado.WebUI.TBaseValidator, 
{
evaluateIsValid : function()
{
var inputType = this.control.getAttribute("type");
if(inputType == 'file')
{
return true;
}
else
{
var a = this.getValidationValue();
var b = this.trim(this.options.InitialValue);
return(a != b);
}
}
});
Prado.WebUI.TCompareValidator = Class.extend(Prado.WebUI.TBaseValidator,
{
evaluateIsValid : function()
{
var value = this.getValidationValue();
if (value.length <= 0) 
return true;
var comparee = $(this.options.ControlToCompare);
if(comparee)
var compareTo = this.getValidationValue(comparee);
else
var compareTo = this.options.ValueToCompare || "";
var isValid =this.compare(value, compareTo);
if(comparee)
{
this.updateControlCssClass(comparee, isValid);
this.observeChanges(comparee);
}
return isValid;
},
compare : function(operand1, operand2)
{
var op1, op2;
if((op1 = this.convert(this.options.DataType, operand1)) == null)
return false;
if ((op2 = this.convert(this.options.DataType, operand2)) == null)
return true;
switch (this.options.Operator) 
{
case "NotEqual":
return (op1 != op2);
case "GreaterThan":
return (op1 > op2);
case "GreaterThanEqual":
return (op1 >= op2);
case "LessThan":
return (op1 < op2);
case "LessThanEqual":
return (op1 <= op2);
default:
return (op1 == op2);
}
}
});
Prado.WebUI.TCustomValidator = Class.extend(Prado.WebUI.TBaseValidator,
{
evaluateIsValid : function()
{
var value = this.getValidationValue();
var clientFunction = this.options.ClientValidationFunction;
if(typeof(clientFunction) == "string" && clientFunction.length > 0)
{
validate = clientFunction.toFunction();
return validate(this, value);
}
return true;
}
});
Prado.WebUI.TRangeValidator = Class.extend(Prado.WebUI.TBaseValidator,
{
evaluateIsValid : function()
{
var value = this.getValidationValue();
if(value.length <= 0)
return true;
if(typeof(this.options.DataType) == "undefined")
this.options.DataType = "String";
var min = this.convert(this.options.DataType, this.options.MinValue || null);
var max = this.convert(this.options.DataType, this.options.MaxValue || null);
value = this.convert(this.options.DataType, value);
if(value == null)
return false;
var valid = true;
if(min != null)
valid = valid && value >= min;
if(max != null)
valid = valid && value <= max;
return valid;
}
});
Prado.WebUI.TRegularExpressionValidator = Class.extend(Prado.WebUI.TBaseValidator,
{
evaluateIsValid : function()
{
var value = this.getValidationValue();
if (value.length <= 0) 
return true;
var rx = new RegExp(this.options.ValidationExpression);
var matches = rx.exec(value);
return (matches != null && value == matches[0]);
}
});
Prado.WebUI.TEmailAddressValidator = Prado.WebUI.TRegularExpressionValidator;
Prado.WebUI.TListControlValidator = Class.extend(Prado.WebUI.TBaseValidator,
{
evaluateIsValid : function()
{
var elements = this.getListElements();
if(elements && elements.length <= 0)
return true;
this.observeListElements(elements);
var selection = this.getSelectedValuesAndChecks(elements);
return this.isValidList(selection.checks, selection.values);
},
observeListElements : function(elements)
 {
if(Prado.Browser().ie && this.isCheckBoxType(elements[0]))
{
var validator = this;
elements.each(function(element)
{
validator.observeChanges(element);
});
}
 },
isValidList : function(checked, values)
{
var exists = true;
var required = this.getRequiredValues();
if(required.length > 0)
{
if(values.length < required.length)
return false;
required.each(function(requiredValue)
{
exists = exists && values.include(requiredValue);
});
}
var min = typeof(this.options.Min) == "undefined" ? 
Number.NEGATIVE_INFINITY : this.options.Min;
var max = typeof(this.options.Max) == "undefined" ? 
Number.POSITIVE_INFINITY : this.options.Max;
return exists && checked >= min && checked <= max;
},
getRequiredValues : function()
{
var required = [];
if(this.options.Required && this.options.Required.length > 0)
required = this.options.Required.split(/,\s*/);
return required;
}
});