<zk xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.zkoss.org/2005/zul/zul.xsd"
	xmlns:n="http://www.zkoss.org/2005/zk/native">
	<label multiline="true">
		1.you should see value1 is A 
		2.edit on value1, set to Aa, you will see a length validation warn
		3.edit on value2, set to Aaaa, the message will be gone.
		4.click update, the Info value should change to Aaaa
	</label>
	<window apply="org.zkoss.bind.BindComposer" viewModel="@id('vm') @init('org.zkoss.zktest.bind.issue.B01017NestedFormPath')" 
	validationMessages="@id('vmsgs')">
		<hlayout>
			Info : <label id="l12" value="@bind(vm.bean.value1)" />
		</hlayout>
		<div form="@id('fx') @load(vm) @save(vm, before='update')">
			<hlayout>
				<label value="Value1" />
				<textbox id="t2" value="@bind(fx.bean.value1) @validator(vm.validator1)" errorMessage="@load(vmsgs[self])" />
			</hlayout>
		</div>
		<button id="update" label="update" onClick="@command('update')" />
	</window>
</zk>

package org.zkoss.zktest.bind.issue;

import org.zkoss.bind.Form;
import org.zkoss.bind.ValidationContext;
import org.zkoss.bind.Validator;
import org.zkoss.bind.annotation.Command;
import org.zkoss.bind.annotation.Init;
import org.zkoss.bind.validator.AbstractValidator;
import org.zkoss.lang.Strings;

public class B01017NestedFormPath {

	Bean bean;
	
	@Init
	public void init(){
		bean = new Bean();
		bean.value1 = "A";
	}

	public Bean getBean() {
		return bean;
	}

	public void setBean(Bean bean) {
		this.bean = bean;
	}
	
	@Command
	public void update() {
		System.out.println("update "+getBean().getValue1());
	}

	public class Bean {
		String value1;

		public String getValue1() {
			return value1;
		}

		public void setValue1(String value1) {
			this.value1 = value1;
		}

	}
	
	public Validator getValidator1(){
		return new AbstractValidator() {
			
			@Override
			public void validate(ValidationContext ctx) {
				String value = (String)ctx.getProperty().getValue();
				Object base = ctx.getProperty().getBase();
				String prop = ctx.getProperty().getProperty();
				System.out.println(">>>>> base "+base+",value "+value+", prop:"+prop);
				if(!(base instanceof Form)){
					addInvalidMessage(ctx, "base is not a Form");
				}else if(!"bean.value1".equals(prop)){
					addInvalidMessage(ctx, "prop is not bean.value1");
				}else if(Strings.isEmpty(value)){
					addInvalidMessage(ctx, "cannot be empty");
				}else if(value.length()<3){
					addInvalidMessage(ctx, "length < 3");
				}
				
				
				
			}
		};
	}
}