Date binding in inherited classes - Please close the issue.

package com.example

class Parent {

    String name
    Date birthDate
    Long age

    static constraints = {
        birthDate(nullable: true)
    }

    static mapping = {
        tablePerHierarchy false
    }
}

package com.example

class Child extends Parent{

    static constraints = {
    }
}

package example.com

class Single {
    
    String code
    Date last

    static constraints = {
        last(nullable: true)
    }
}

package com.example

class ChildController {

    static scaffold = true
}

package com.example

class SingleController {

    static scaffold = true
}

    private renderDateEditor(domainClass, property) {
        def precision = (property.type == Date || property.type == java.sql.Date || property.type == Calendar) ? "day" : "minute";
        if (!cp) {
            return "<g:datePicker name=\"${property.name}\" precision=\"${precision}\" value=\"\${${domainInstance}?.${property.name}}\" />"
        } else {
            if (!cp.editable) {
                return "\${${domainInstance}?.${property.name}?.toString()}"
            } else {
                def out = new StringBuffer("")
                out << "<r:require module=\"jquery-ui-ru\"/>"
                out << "<input type=\"text\" name=\"${property.name}_datepicker\" id=\"${property.name}_datepicker\" value=\"<g:formatDate date=\"\${${domainInstance}?.${property.name}}\" formatName=\"dateonly.date.format\" />\"/>"
                out << "<input type=\"hidden\" name=\"${property.name}_day\" id=\"${property.name}_day\" value=\"<g:formatDate date=\"\${${domainInstance}?.${property.name}}\" format=\"dd\" />\"/>"
                out << "<input type=\"hidden\" name=\"${property.name}_month\" id=\"${property.name}_month\" value=\"<g:formatDate date=\"\${${domainInstance}?.${property.name}}\" format=\"MM\" />\"/>"
                out << "<input type=\"hidden\" name=\"${property.name}_year\" id=\"${property.name}_year\" value=\"<g:formatDate date=\"\${${domainInstance}?.${property.name}}\" format=\"yyyy\" />\"/>"
                out << """<g:javascript>
                              \$(document).ready(function () {
                                  \$("#${property.name}_datepicker").datepicker({
                                      dateFormat:'dd/mm/yy',
                                      onClose: function(dateText, inst) {
                                              var date = new Date(dateText.replace(/(\\d+).(\\d+).(\\d+)/, '\$3/\$2/\$1'));
                                              if (!isNaN(date)) {
                                                  \$("#${property.name}_month").val(date.getMonth()+1);
                                                  \$("#${property.name}_day").val(date.getDate());
                                                  \$("#${property.name}_year").val(date.getFullYear());
                                              }
                                            },
                                      showAnim: "slide",
                                      showOptions: {direction: 'up'},
                                      showOn: "both",
                                      autoSize: true,
                                      constrainInput: true,
                                      showButtonPanel: true
                                  });
                              })
                          </g:javascript>"""
                return out.toString()
            }
        }
    }

plugins {
    ...
    compile ":jquery-ui:1.8.15"
    ...
}

    'jquery-ui-ru' {
        dependsOn 'jquery', 'jquery-ui'

        resource id: 'js', url: [plugin: "jquery-ui", dir: "js/jquery/i18n", file: "jquery.ui.datepicker-ru.js"], disposition: 'head'
    }

...
example.MyFilters request params: [action:create, controller:child]
example.MyFilters request params: [birthDate_day:1, birthDate_month:5, birthDate_datepicker:01/05/2012, name:dd, age:33, birthDate_year:2012, create:Create, action:save, controller:child]
...
example.MyFilters request params: [action:create, controller:single]
example.MyFilters request params: [last_year:2012, last_day:1, last_datepicker:01/05/2012, last_month:5, code:er, create:Create, action:save, controller:single]
...