org.ujorm.wicket.component.form
Class FieldProvider<U extends Ujo>

java.lang.Object
  org.ujorm.wicket.component.form.FieldProvider<U>

All Implemented Interfaces:

Serializable

public class FieldProvider<U extends Ujo>
extends Object
implements Serializable

Field Factory

Author:

Pavel Ponec

See Also:

Serialized Form

Field Summary

static String

PASSWORD_KEY_NAME Password key name to create a component PasswordField

Constructor Summary

FieldProvider(org.apache.wicket.markup.repeater.RepeatingView repeatingView)
Default constructor with a repeatingView

FieldProvider(org.apache.wicket.markup.repeater.RepeatingView repeatingView, Map<String,Field> fields)
Final constructor

FieldProvider(String repeatingViewId)
Default constructor

Method Summary

void	add(Class<? super U> domainClass) Add all fields of a domain class to the form
void	add(Field field) Add any field to a repeating view and set the OutputMarkupPlaceholderTag to value true.
<T> void	add(Key<? super U,T> key) Add new field to a repeating view
<T extends Ujo> void	add(Key<? super U,T> key, Class<? extends Field> fieldClass) Create a field of the required instance and set the result into container.
<T extends OrmUjo> void	add(Key<? super U,T> key, Key<T,?> display, org.ujorm.criterion.Criterion<T> crn) Add a Combo-box for a persistent entity
void	add(KeyList<? super U> fields) Add all fields
<T> void	addCssStyle(Key<? super U,T> key, String cssStyle) Add a CSS style to the field of required key.
protected void	addValidator(Key<? super U,?> key, Field field) Set a validator of the Key to the Field from argument
<T> void	addValidator(Key<? super U,T> key, org.apache.wicket.validation.IValidator<T> validator) Set a visible attribute for a required filed.
<T> void	addValidator(Key<? super U,T> key, Validator<T> validator) Add a validator for a required filed.
<T> void	addValidatorUnchecked(Key<? super U,T> key, Validator validator) Add a validator for a required filed, where the validator have no generic type.
protected U	cloneDomain(U domain, OrmSessionProvider session) Clone the domain object or reload the ORM object from database.
protected U	copyToFields(U domain) Assign values to required component fields in a transaction for a lazy loading case
protected Field<?>	findFirstField() Find first enabled field with a non-null Key or return the null.
protected int	getClonedDepth() Get a default cloned depth for the method cloneDomain(org.ujorm.Ujo, org.ujorm.wicket.OrmSessionProvider)
U	getDomain() Copy new value to the result and return the result
<F extends Field> F	getField(Key<? super U,?> key) Returns the related Field
Collection<Field>	getFields() Return all fields
U	getInputDomain() Get original domain
protected Set<String>	getKeyNames() Return all keys in a String format
<T extends Field> T	getLast() Returns the last field or throw an exception
protected OrmHandler	getOrmHandler() Returns OrmHandler
org.apache.wicket.markup.repeater.RepeatingView	getRepeatingView() Returns the repeating view
int	getTextAreaLimit() Returns a minimal text length to create a TextArea component.
<T> T	getValue(Key<? super U,T> key) Get Value, or returns a default value
protected boolean	isMandatory(Key<? super U,?> key) Is the key mandatory ?
protected boolean	isPasswordKey(Key<? super U,?> key) Is the key type of PasswordField ? The default condition is: the last key name must be 'PASSWORD'.
protected String	newChildId() Generates a child component id
void	onChange(Key<? super U,?> source) Refresh component
void	onChange(Key<? super U,?> source, String action) Refresh component
void	requestFocus(org.apache.wicket.ajax.AjaxRequestTarget target) Set a focus to the first component by default
void	setDomain(U domain) Copy domain attributes to fields and clone the arguments to internal parameters.
<T> void	setEnabled(Key<? super U,T> key, boolean enabled) Set an enabled attribute for a required filed.
<T> void	setValue(Key<? super U,T> key, T value) Set Value
<T> void	setValue(Key<? super U,T> key, T value, org.apache.wicket.ajax.AjaxRequestTarget target) Set Value and repaint the component
void	setVisible(Key<? super U,?> key, boolean visible) Set a visible attribute for a required filed.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

PASSWORD_KEY_NAME

public static final String PASSWORD_KEY_NAME

Password key name to create a component PasswordField

See Also:

Constant Field Values

Constructor Detail

FieldProvider

public FieldProvider(String repeatingViewId)

Default constructor

FieldProvider

public FieldProvider(org.apache.wicket.markup.repeater.RepeatingView repeatingView)

Default constructor with a repeatingView

FieldProvider

public FieldProvider(org.apache.wicket.markup.repeater.RepeatingView repeatingView,
                     Map<String,Field> fields)

Final constructor

Parameters:

repeatingView - a repeating views

fields - Serializable field map

Method Detail

add

public void add(Field field)

Add any field to a repeating view and set the OutputMarkupPlaceholderTag to value true.

newChildId

protected String newChildId()

Generates a child component id

add

public <T> void add(Key<? super U,T> key)

Add new field to a repeating view

add

public void add(Class<? super U> domainClass)

Add all fields of a domain class to the form

add

public void add(KeyList<? super U> fields)

Add all fields

add

public <T extends Ujo> void add(Key<? super U,T> key,
                                Class<? extends Field> fieldClass)

Create a field of the required instance and set the result into container.

Type Parameters:

T - Ujo type

Parameters:

key - Related Key

fieldClass - Class must have got a one argument constructor type of Key.

add

public <T extends OrmUjo> void add(Key<? super U,T> key,
                                   Key<T,?> display,
                                   org.ujorm.criterion.Criterion<T> crn)

Add a Combo-box for a persistent entity

getValue

public <T> T getValue(Key<? super U,T> key)

Get Value, or returns a default value

setValue

public <T> void setValue(Key<? super U,T> key,
                         T value)

Set Value

setValue

public <T> void setValue(Key<? super U,T> key,
                         T value,
                         org.apache.wicket.ajax.AjaxRequestTarget target)

Set Value and repaint the component

getFields

public Collection<Field> getFields()

Return all fields

getField

public <F extends Field> F getField(Key<? super U,?> key)

Returns the related Field

getLast

public <T extends Field> T getLast()
                        throws ArrayIndexOutOfBoundsException

Returns the last field or throw an exception

Returns:

Not null always

Throws:

ArrayIndexOutOfBoundsException - No last filed was found.

getKeyNames

protected Set<String> getKeyNames()

Return all keys in a String format

getRepeatingView

public org.apache.wicket.markup.repeater.RepeatingView getRepeatingView()

Returns the repeating view

getOrmHandler

protected OrmHandler getOrmHandler()

Returns OrmHandler

isMandatory

protected boolean isMandatory(Key<? super U,?> key)

Is the key mandatory ?

addValidator

protected void addValidator(Key<? super U,?> key,
                            Field field)

Set a validator of the Key to the Field from argument

setDomain

public void setDomain(U domain)

Copy domain attributes to fields and clone the arguments to internal parameters.
Persistent object will be reloaded from database.

cloneDomain

protected U cloneDomain(U domain,
                        OrmSessionProvider session)
                             throws NoSuchElementException,
                                    IllegalStateException

Clone the domain object or reload the ORM object from database.

Throws:

NoSuchElementException

IllegalStateException

getClonedDepth

protected int getClonedDepth()

Get a default cloned depth for the method cloneDomain(org.ujorm.Ujo, org.ujorm.wicket.OrmSessionProvider)

Returns:

Minimal value is 1.

copyToFields

protected U copyToFields(U domain)

Assign values to required component fields in a transaction for a lazy loading case

getDomain

public U getDomain()

Copy new value to the result and return the result

getInputDomain

public U getInputDomain()

Get original domain

getTextAreaLimit

public int getTextAreaLimit()

Returns a minimal text length to create a TextArea component.

Returns:

The default value is 180 characters

isPasswordKey

protected boolean isPasswordKey(Key<? super U,?> key)

Is the key type of PasswordField ? The default condition is: the last key name must be 'PASSWORD'.

onChange

public void onChange(Key<? super U,?> source)

Refresh component

onChange

public void onChange(Key<? super U,?> source,
                     String action)

Refresh component

setEnabled

public <T> void setEnabled(Key<? super U,T> key,
                           boolean enabled)

Set an enabled attribute for a required filed. If the field is not found, the statement is ignored

setVisible

public void setVisible(Key<? super U,?> key,
                       boolean visible)

Set a visible attribute for a required filed. If the field is not found, the statement is ignored

addValidator

public <T> void addValidator(Key<? super U,T> key,
                             Validator<T> validator)

Add a validator for a required filed. If the field is not found, the statement is ignored

addValidatorUnchecked

public <T> void addValidatorUnchecked(Key<? super U,T> key,
                                      Validator validator)

Add a validator for a required filed, where the validator have no generic type. If the field is not found, the statement is ignored

See Also:

#setValidator(org.ujorm.Key, org.ujorm.Validator)

addValidator

public <T> void addValidator(Key<? super U,T> key,
                             org.apache.wicket.validation.IValidator<T> validator)

Set a visible attribute for a required filed. If the field is not found, the statement is ignored

addCssStyle

public <T> void addCssStyle(Key<? super U,T> key,
                            String cssStyle)

Add a CSS style to the field of required key. If the field is not found, the statement is ignored

requestFocus

public void requestFocus(@Nonnull
                         org.apache.wicket.ajax.AjaxRequestTarget target)

Set a focus to the first component by default

findFirstField

@Nullable
protected Field<?> findFirstField()

Find first enabled field with a non-null Key or return the null.