fix error hint

Author: Tom Hanoldt

spec/hint.spec.coffee

@@ -67,3 +67,21 @@ describe 'jquery.input.validator', ->
         expect($label.length).toBe 1
         expect($label.text()).toBe 'hint text'
       )
+
+    it 'changes the message', ->
+      elements = '<div>'
+      elements+= '<input type="email" minlength="3" value="ab">'
+      elements+= '</div>'
+      appendAndCallback(elements, ($elements) ->
+        $element = $('input', $elements).first()
+
+        validator.validateElement($element)
+
+        $label = $(".#{validator.config.classes.hint}", $elements)
+        expect($label.text()).toBe validator.config.messages.minlength
+
+
+        $element.val('not mor minlength')
+        validator.validateElement($element)
+        expect($label.text()).toBe validator.config.messages.email
+      )

src/input.validator.coffee

@@ -79,16 +79,19 @@ class @InputValidator
       onReset:   null
       onBuildErrorElement: (validator, $element, value, errors) ->
         error = errors[0]
-        $hint = $element.parent().find(validator.config.classes.hint)
+        $hint = $element.data('inputvalidator-hint')
 
-        unless $hint.length
-          $hint = $("<label class='#{validator.config.classes.hint}' " +
-            "for='#{$element.attr('id')}'>" +
-            error.message +
-            "</label>")
+        if $hint
+          $hint.html(error.message)
+          return
+
+        $hint = $("<label class='#{validator.config.classes.hint}' " +
+          "for='#{$element.attr('id')}'>" +
+          error.message +
+          "</label>")
 
         $element.data('inputvalidator-hint', $hint)
-        $element.after($hint)
+                .after($hint)
 
       onValidIntern: (validator, $element, value, errors) ->
         classes = validator.config.classes
@@ -110,6 +113,7 @@ class @InputValidator
         classes = validator.config.classes
         $element.removeClass("#{classes.error} #{classes.valid}")
         $($element.data('inputvalidator-hint')).remove()
+        $element.data('inputvalidator-hint', undefined)
         validator.config.handler.onReset?(validator, $element)
         validator.config.handler.onValid?(validator, $element, value, errors)