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index.zulzul<zk xmlns:ca="client/attribute">
<window border="normal" title="hello" sizable="true" mode="modal" contentStyle="overflow: scroll;" height="500px" ca:data-scrollable="true">
<div apply="org.zkoss.bind.BindComposer"
viewModel="@id('vm') @init('pkg$.FormViewModel')"
validationMessages="@id('vmsgs')"
form="@id('fx') @load(vm.user) @save(vm.user, before='submit') @validator('demo.input.form_sample.FormValidator', retypedPassword=vm.retypedPassword, captcha=vm.captcha, captchaInput=vm.captchaInput)">
<grid >
<columns>
<column label="Type" width="120px" />
<column label="Content" />
<column label="Component" width="200px" />
</columns>
<rows>
<row>
<label value="UserName" width="150px" />
<hlayout>
<textbox value="@bind(fx.userName)"
width="150px" tabindex="1" />
</hlayout>
<div>
<label sclass="hightlight">Textbox</label>
</div>
</row>
<row>
Bandbox
<bandbox value="@bind(fx.userName)"
width="150px" >
<bandpopup width="150px">
<listbox multiple="true" checkmark="true" fixedLayout="true" width="150px">
<listhead>
<listheader label="g1"></listheader>
</listhead>
<listitem label="1"></listitem>
<listitem label="11"></listitem>
<listitem label="111"></listitem>
</listbox>
<listbox multiple="true" checkmark="true" fixedLayout="true" width="150px">
<listhead>
<listheader label="g2"></listheader>
</listhead>
<listitem label="2"></listitem>
<listitem label="22"></listitem>
<listitem label="222"></listitem>
</listbox>
</bandpopup>
</bandbox>
</row>
<row>
Password
<textbox type="password" value="@bind(fx.password)"
width="150px" tabindex="2" />
<div>
<label sclass="hightlight">Textbox</label>
type = "password"
</div>
</row>
<row>
Re-type Password
<cell>
<textbox type="password" value="@bind(vm.retypedPassword)"
width="150px" tabindex="3" />
<label class="error"
value="@load(vmsgs['password'])" />
</cell>
<div>
<label sclass="hightlight">Textbox</label>
with value validate
</div>
</row>
<row>
Age:
<cell>
<intbox value="@bind(fx.age)" width="150px" tabindex="4" />
<label class="error"
value="@load(vmsgs['age'])" />
</cell>
<div>
<label sclass="hightlight">Intbox</label>
with constraint
</div>
</row>
<row>
Phone:
<textbox constraint="no empty" value="@bind(fx.telephone)"
width="150px" maxlength="15" tabindex="5" />
<div>
<label sclass="hightlight">Textbox</label>
with max length limit
</div>
</row>
<row>
Weight:
<cell>
<decimalbox format="###.##" value="@bind(fx.weight)"
width="150px" tabindex="6" />
<label class="error"
value="@load(vmsgs['weight'])" />
</cell>
<div>
<label sclass="hightlight">Decimalbox</label>
with format
</div>
</row>
<row>
Birthday:
<hbox align="center">
<datebox value="@bind(fx.birthday)"
format="@load(vm.dateFormat)" width="150px" tabindex="7"/>
Format :
<listbox selectedItem="@bind(vm.dateFormat)"
mold="select" tabindex="8">
<listitem label="Default" value="" />
<listitem label="yyyy/MM/dd hh:mm a"
value="yyyy/MM/dd hh:mm a" />
<listitem label="yyyy/MM/dd"
value="yyyy/MM/dd" />
<listitem label="MM-dd-yy" value="MM-dd-yy" />
</listbox>
</hbox>
<div>
<label sclass="hightlight">Datebox</label>
and
<label sclass="hightlight">Listbox</label>
in select mold
</div>
</row>
<row>
E-mail:
<cell>
<textbox value="@bind(fx.email)" width="150px" tabindex="9" />
<label class="error"
value="@load(vmsgs['email'])" />
</cell>
<div>
<label sclass="hightlight">Textbox</label>
with regexp constraint
</div>
</row>
<row>
Memo:
<vlayout>
<div style="width:375px;text-align:right;padding:0;">
Adjust Height:
<spinner constraint="no negative,no zero"
value="@load(vm.memoHeight)"
onChanging="@command('changeMemoHeight')" tabindex="10" />
</div>
<textbox rows="@load(vm.memoHeight)" value="@bind(fx.memo)"
width="370px;" tabindex="11" />
</vlayout>
<div>
<label sclass="hightlight">Textbox</label>
with multiple rows and
<label sclass="hightlight">Spinner</label>
</div>
</row>
<row>
Validation:
<vlayout>
<hlayout>
<textbox value="@bind(vm.captchaInput)"
width="150px" tabindex="12" />
<label class="error"
value="@load(vmsgs['captcha'])" />
</hlayout>
<hlayout>
<captcha value="@load(vm.captcha)"
bgColor="@load(vm.backgroundColour)"
fontColor="@load(vm.foregroundColour)"
width="150px" height="50px"
frame="true" />
<vlayout>
<button label="Regenerate"
onClick="@command('regenerate')" width="100px" />
<hlayout>
<colorbox
value="@bind(vm.backgroundColour)" width="35px" />
<colorbox
value="@bind(vm.foregroundColour)" width="35px" />
</hlayout>
</vlayout>
</hlayout>
</vlayout>
<div>
<label sclass="hightlight">Captcha</label>
and
<label sclass="hightlight">Colorbox</label>
</div>
</row>
<row>
<cell colspan="3" style="text-align:center">
<vlayout>
<label visible="@load(empty vmsgs)"
value="@load(empty vmsgs ? 'Form successfully submitted!' : '', before='submit')" />
<button label="Submit" onClick="@command('submit')"
width="100px" height="30px" />
</vlayout>
</cell>
</row>
</rows>
</grid>
</div>
</window>
</zk>
FormViewModel.javajavaimport org.zkoss.bind.annotation.Command;
import org.zkoss.bind.annotation.ContextParam;
import org.zkoss.bind.annotation.ContextType;
import org.zkoss.bind.annotation.NotifyChange;
import org.zkoss.zk.ui.event.InputEvent;
public class FormViewModel {
private String dateFormat;
private int memoHeight = 6;
private String foregroundColour = "#000000", backgroundColour = "#FDC966";
private RandomStringGenerator rsg = new RandomStringGenerator(4);
private User user = new User();
private String retypedPassword;
private String captcha = rsg.getRandomString(), captchaInput;
public String getForegroundColour() {
return foregroundColour;
}
public void setForegroundColour(String foregroundColor) {
this.foregroundColour = foregroundColor;
}
public String getBackgroundColour() {
return backgroundColour;
}
public void setBackgroundColour(String backgroundColor) {
this.backgroundColour = backgroundColor;
}
public String getDateFormat() {
return dateFormat;
}
public void setDateFormat(String dateFormat) {
this.dateFormat = dateFormat;
}
public int getMemoHeight() {
return memoHeight;
}
public void setMemoHeight(int memoHeight) {
this.memoHeight = memoHeight;
}
public User getUser() {
return user;
}
public void setUser(User user) {
this.user = user;
}
public String getRetypedPassword() {
return retypedPassword;
}
public void setRetypedPassword(String retypedPassword) {
this.retypedPassword = retypedPassword;
}
public String getCaptcha() {
return captcha;
}
public void setCaptcha(String captcha) {
this.captcha = captcha;
}
public String getCaptchaInput() {
return captchaInput;
}
public void setCaptchaInput(String captchaInput) {
this.captchaInput = captchaInput;
}
public void regenerateCaptcha() {
this.captcha = rsg.getRandomString();
}
@Command
@NotifyChange("memoHeight")
public void changeMemoHeight(
@ContextParam(ContextType.TRIGGER_EVENT) InputEvent change) {
try {
int parsed = Integer.parseInt(change.getValue());
if (parsed > 0) {
this.memoHeight = parsed;
}
} catch (NumberFormatException nfe) {
// nothing that we can do here, the validation should pick it up
}
}
@Command
@NotifyChange("captcha")
public void regenerate() {
this.regenerateCaptcha();
}
@Command
public void submit() {
}
}
RandomStringGenerator.javajavaimport org.zkoss.zk.ui.*;
import org.zkoss.zk.ui.event.*;
import org.zkoss.zk.ui.util.*;
import org.zkoss.zk.ui.ext.*;
import org.zkoss.zk.au.*;
import org.zkoss.zk.au.out.*;
import org.zkoss.zul.*;
import java.util.Random;
public class RandomStringGenerator {
private int length;
private String alphabet = "abcdefghijklmnopqrstuvwxyz";
private final Random rn = new Random();
public RandomStringGenerator(int length) {
if(length <= 0)
throw new IllegalArgumentException("Length cannot be less than or equal to 0");
this.length = length;
}
public int getLength() {
return length;
}
public void setLength(int length) {
this.length = length;
}
public String getRandomString() {
StringBuilder sb = new StringBuilder(this.length);
for(int i=0; i<this.length; i++) {
sb.append(alphabet.charAt(rn.nextInt(alphabet.length())));
}
return sb.toString();
}
}
User.javajavaimport org.zkoss.zk.ui.*;
import org.zkoss.zk.ui.event.*;
import org.zkoss.zk.ui.util.*;
import org.zkoss.zk.ui.ext.*;
import org.zkoss.zk.au.*;
import org.zkoss.zk.au.out.*;
import org.zkoss.zul.*;
import java.util.Date;
public class User {
private String userName, password, telephone, email, memo;
private int age;
private double weight;
private Date birthday;
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getTelephone() {
return telephone;
}
public void setTelephone(String telephone) {
this.telephone = telephone;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public String getMemo() {
return memo;
}
public void setMemo(String memo) {
this.memo = memo;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public double getWeight() {
return weight;
}
public void setWeight(double weight) {
this.weight = weight;
}
public Date getBirthday() {
return birthday;
}
public void setBirthday(Date birthday) {
this.birthday = birthday;
}
}
FormValidator.javajavaimport org.zkoss.zk.ui.*;
import org.zkoss.zk.ui.event.*;
import org.zkoss.zk.ui.util.*;
import org.zkoss.zk.ui.ext.*;
import org.zkoss.zk.au.*;
import org.zkoss.zk.au.out.*;
import org.zkoss.zul.*;
import java.util.Map;
import org.zkoss.bind.Property;
import org.zkoss.bind.ValidationContext;
import org.zkoss.bind.validator.AbstractValidator;
public class FormValidator extends AbstractValidator {
public void validate(ValidationContext ctx) {
//all the bean properties
Map<String,Property> beanProps = ctx.getProperties(ctx.getProperty().getBase());
//first let's check the passwords match
validatePasswords(ctx, (String)beanProps.get("password").getValue(), (String)ctx.getValidatorArg("retypedPassword"));
validateAge(ctx, (Integer)beanProps.get("age").getValue());
validateWeight(ctx, (Double)beanProps.get("weight").getValue());
validateEmail(ctx, (String)beanProps.get("email").getValue());
validateCaptcha(ctx, (String)ctx.getValidatorArg("captcha"), (String)ctx.getValidatorArg("captchaInput"));
}
private void validatePasswords(ValidationContext ctx, String password, String retype) {
if(password == null || retype == null || (!password.equals(retype))) {
this.addInvalidMessage(ctx, "password", "Your passwords do not match!");
}
}
private void validateAge(ValidationContext ctx, int age) {
if(age <= 0) {
this.addInvalidMessage(ctx, "age", "Your age should be > 0!");
}
}
private void validateWeight(ValidationContext ctx, double weight) {
if(weight <= 0) {
this.addInvalidMessage(ctx, "weight", "Your weight should be > 0!");
}
}
private void validateEmail(ValidationContext ctx, String email) {
if(email == null || !email.matches(".+@.+\\.[a-z]+")) {
this.addInvalidMessage(ctx, "email", "Please enter a valid email!");
}
}
private void validateCaptcha(ValidationContext ctx, String captcha, String captchaInput) {
if(captchaInput == null || !captcha.equals(captchaInput)) {
this.addInvalidMessage(ctx, "captcha", "The captcha doesn't match!");
}
}
}