diff options
Diffstat (limited to 'framework/Web/Javascripts/base/validators.js')
| -rw-r--r-- | framework/Web/Javascripts/base/validators.js | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/framework/Web/Javascripts/base/validators.js b/framework/Web/Javascripts/base/validators.js new file mode 100644 index 00000000..f281c87e --- /dev/null +++ b/framework/Web/Javascripts/base/validators.js @@ -0,0 +1,228 @@ +
+Prado.Validation.TRequiredFieldValidator=function(){
+ var inputType = this.control.getAttribute("type");
+ if(inputType == 'file'){
+ return true;
+ }
+ else{
+ var trim=Prado.Validation.Util.trim;
+ var a=trim(Form.Element.getValue(this.control));
+ var b=trim(this.attr.initialvalue);
+ return(a!=b);
+ }
+}
+
+
+Prado.Validation.TRegularExpressionValidator = function()
+{
+ var trim = Prado.Validation.Util.trim;
+ var value = trim(Form.Element.getValue(this.control));
+ if (value == "") return true;
+ var rx = new RegExp(this.attr.validationexpression);
+ var matches = rx.exec(value);
+ return (matches != null && value == matches[0]);
+}
+
+Prado.Validation.TEmailAddressValidator = Prado.Validation.TRegularExpressionValidator;
+
+Prado.Validation.TCustomValidator = function()
+{
+ var trim = Prado.Validation.Util.trim;
+ var value = isNull(this.control) ? '' : trim(Form.Element.getValue(this.control));
+ var valid = true;
+ var func = this.attr.clientvalidationfunction;
+ if (isString(func) && func != "")
+ eval("valid = (" + func + "(this, value) != false);");
+ return valid;
+}
+
+Prado.Validation.TRangeValidator = function()
+{
+ var trim = Prado.Validation.Util.trim;
+ var value = trim(Form.Element.getValue(this.control));
+ if (value == "") return true;
+
+ var minval = this.attr.minimumvalue;
+ var maxval = this.attr.maximumvalue;
+
+ if (undef(minval) && undef(maxval))
+ return true;
+
+ if (minval == "") minval = 0;
+ if (maxval == "") maxval = 0;
+
+ var dataType = this.attr.type;
+
+ if(undef(dataType))
+ return (parseFloat(value) >= parseFloat(minval)) && (parseFloat(value) <= parseFloat(maxval));
+
+ //now do datatype range check.
+ var min = this.convert(dataType, minval);
+ var max = this.convert(dataType, maxval);
+ value = this.convert(dataType, value);
+ return value >= min && value <= max;
+}
+
+Prado.Validation.TCompareValidator = function()
+{
+ var trim = Prado.Validation.Util.trim;
+ var value = trim(Form.Element.getValue(this.control));
+ if (value.length == 0) return true;
+
+ var compareTo;
+
+ var comparee = $(this.attr.controlhookup);;
+
+ if(comparee)
+ compareTo = trim(Form.Element.getValue(comparee));
+ else
+ {
+ compareTo = isString(this.attr.valuetocompare) ? this.attr.valuetocompare : "";
+ }
+
+ var compare = Prado.Validation.TCompareValidator.compare;
+
+ var isValid = compare.bind(this)(value, compareTo);
+
+ //update the comparee control css class name and add onchange event once.
+ if(comparee)
+ {
+ var className = this.attr.controlcssclass;
+ if(isString(className) && className.length>0)
+ Element.condClassName(comparee, className, !isValid);
+ if(undef(this.observingComparee))
+ {
+ Event.observe(comparee, "change", this.validate.bind(this));
+ this.observingComparee = true;
+ }
+ }
+ return isValid;
+}
+
+/**
+ * Compare the two values, also performs data type check.
+ * @param {string} value to compare with
+ * @param {string} value to compare
+ * @type {boolean} true if comparison or type check is valid, false otherwise.
+ */
+Prado.Validation.TCompareValidator.compare = function(operand1, operand2)
+{
+ var op1, op2;
+ if ((op1 = this.convert(this.attr.type, operand1)) == null)
+ return false;
+ if (this.attr.operator == "DataTypeCheck")
+ return true;
+ if ((op2 = this.convert(this.attr.type, operand2)) == null)
+ return true;
+ switch (this.attr.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.Validation.TRequiredListValidator = function()
+{
+ var min = undef(this.attr.min) ? Number.NEGATIVE_INFINITY : parseInt(this.attr.min);
+ var max = undef(this.attr.max) ? Number.POSITIVE_INFINITY : parseInt(this.attr.max);
+
+ var elements = document.getElementsByName(this.attr.selector);
+
+ if(elements.length <= 0)
+ elements = document.getElementsBySelector(this.attr.selector);
+
+ if(elements.length <= 0)
+ return true;
+
+ var required = new Array();
+ if(isString(this.attr.required) && this.attr.required.length > 0)
+ required = this.attr.required.split(/,\s* /);
+
+ var isValid = true;
+
+ var validator = Prado.Validation.TRequiredListValidator;
+
+ switch(elements[0].type)
+ {
+ case 'radio':
+ case 'checkbox':
+ isValid = validator.IsValidRadioList(elements, min, max, required);
+ break;
+ case 'select-multiple':
+ isValid = validator.IsValidSelectMultipleList(elements, min, max, required);
+ break;
+ }
+
+ var className = this.attr.elementcssclass;
+ if(isString(className) && className.length>0)
+ map(elements, function(element){ condClass(element, className, !isValid); });
+ if(undef(this.observingRequiredList))
+ {
+ Event.observe(elements, "change", this.validate.bind(this));
+ this.observingRequiredList = true;
+ }
+ return isValid;
+}
+
+//radio group selection
+Prado.Validation.TRequiredListValidator.IsValidRadioList = function(elements, min, max, required)
+{
+ var checked = 0;
+ var values = new Array();
+ for(var i = 0; i < elements.length; i++)
+ {
+ if(elements[i].checked)
+ {
+ checked++;
+ values.push(elements[i].value);
+ }
+ }
+ return Prado.Validation.TRequiredListValidator.IsValidList(checked, values, min, max, required);
+}
+
+//multiple selection check
+Prado.Validation.TRequiredListValidator.IsValidSelectMultipleList = function(elements, min, max, required)
+{
+ var checked = 0;
+ var values = new Array();
+ for(var i = 0; i < elements.length; i++)
+ {
+ var selection = elements[i];
+ for(var j = 0; j < selection.options.length; j++)
+ {
+ if(selection.options[j].selected)
+ {
+ checked++;
+ values.push(selection.options[j].value);
+ }
+ }
+ }
+ return Prado.Validation.TRequiredListValidator.IsValidList(checked, values, min, max, required);
+}
+
+//check if the list was valid
+Prado.Validation.TRequiredListValidator.IsValidList = function(checkes, values, min, max, required)
+{
+ var exists = true;
+
+ if(required.length > 0)
+ {
+ //required and the values must at least be have same lengths
+ if(values.length < required.length)
+ return false;
+ for(var k = 0; k < required.length; k++)
+ exists = exists && values.contains(required[k]);
+ }
+
+ return exists && checkes >= min && checkes <= max;
+}
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