org.zkoss.bind

Interface Binder

All Known Implementing Classes:

AnnotateBinder, BinderImpl, DefaultBinder

public interface Binder

The Binder that do the data binding things.

Since:

6.0.0

Author:

henrichen, dennischen

Field Summary

Fields

Modifier and Type	Field and Description
static String	ACCESS Attribute of ZKBIND annotation, the access direction: can be "both", "save", "load"; default to "load" if not found
static int	COMMAND_FAIL_VALIDATE Indicates the doing command is failure with some validation errors.
static int	COMMAND_SUCCESS Indicates the doing command is successful.
static String	CONVERTER Attribute of ZKBIND annotation, the system converter for special properties.
static String	LOAD_EVENT Attribute of ZKBIND annotation, the load trigger event; meaningful only when ACCESS is "both" or "load" or not found(default to "load").
static String	LOAD_REPLACEMENT Attribute of ZKBIND annotation, the load replacement ; e.g.
static String	LOAD_TYPE Attribute of ZKBIND annotation, the type of attribute for loading; e.g.
static String	RENDERER Attribute of ZKBIND annotation, the special renderer for binding
static String	SAVE_EVENT Attribute of ZKBIND annotation, the save trigger event; meaningful only when ACCESS is "both" or "save".
static String	SAVE_REPLACEMENT Attribute of ZKBIND annotation, the save replacement ; e.g.
static String	VALIDATOR Attribute of ZKBIND annotation, the system validator for special properties.
static String	ZKBIND Component annotation of ZKBind

Method Summary

Methods

Modifier and Type	Method and Description
void	addChildrenInitBinding(org.zkoss.zk.ui.Component comp, String initExpr, Map<String,Object> initArgs) Deprecated. use addChildrenInitBinding(Component, String, Map, String, Map) instead.
void	addChildrenInitBinding(org.zkoss.zk.ui.Component comp, String initExpr, Map<String,Object> initArgs, String converterExpr, Map<String,Object> converterArgs) init children of a component by an expression, it only execute once
void	addChildrenLoadBindings(org.zkoss.zk.ui.Component comp, String loadExpr, String[] beforeCmds, String[] afterCmds, Map<String,Object> bindingArgs) Deprecated. use addChildrenLoadBindings(Component, String, String[], String[], Map, String, Map) instead.
void	addChildrenLoadBindings(org.zkoss.zk.ui.Component comp, String loadExpr, String[] beforeCmds, String[] afterCmds, Map<String,Object> bindingArgs, String converterExpr, Map<String,Object> converterArgs) Add new children-load-bindings.
void	addCommandBinding(org.zkoss.zk.ui.Component comp, String evtnm, String commandExpr, Map<String,Object> commandArgs) Add a new command binding.
void	addFormInitBinding(org.zkoss.zk.ui.Component comp, String id, String initExpr, Map<String,Object> initArgs) init a component form by expression, it only execute once
void	addFormLoadBindings(org.zkoss.zk.ui.Component comp, String id, String loadExpr, String[] beforeCmds, String[] afterCmds, Map<String,Object> bindingArgs) Add new form-load-bindings.
void	addFormSaveBindings(org.zkoss.zk.ui.Component comp, String id, String saveExpr, String[] beforeCmds, String[] afterCmds, Map<String,Object> bindingArgs, String validatorExpr, Map<String,Object> validatorArgs) Add new form-save-bindings.
void	addGlobalCommandBinding(org.zkoss.zk.ui.Component comp, String evtnm, String commandExpr, Map<String,Object> commandArgs) Add a new global-command binding.
void	addPropertyInitBinding(org.zkoss.zk.ui.Component comp, String attr, String initExpr, Map<String,Object> initArgs, String converterExpr, Map<String,Object> converterArgs) init a component property by a expression, it only execute once
void	addPropertyLoadBindings(org.zkoss.zk.ui.Component comp, String attr, String loadExpr, String[] beforeCmds, String[] afterCmds, Map<String,Object> bindingArgs, String converterExpr, Map<String,Object> converterArgs) Add new property-load-bindings.
void	addPropertySaveBindings(org.zkoss.zk.ui.Component comp, String attr, String saveExpr, String[] beforeCmds, String[] afterCmds, Map<String,Object> bindingArgs, String converterExpr, Map<String,Object> converterArgs, String validatorExpr, Map<String,Object> validatorArgs) Add new property-save-bindings.
void	addReferenceBinding(org.zkoss.zk.ui.Component comp, String attr, String loadExpr, Map<String,Object> bindingArgs) Add a new reference-binding.
Converter	getConverter(String name) Returns the _converter of the given _converter name.
BindEvaluatorX	getEvaluatorX() Returns the BindEvaluatorX used by this Binder.
Validator	getValidator(String name) Returns the _validator of the given _validator name.
org.zkoss.zk.ui.Component	getView() Returns associated root component of this binder.
Object	getViewModel() Returns associated ViewModel of this binder.
void	init(org.zkoss.zk.ui.Component root, Object viewModel) Deprecated. use init(Component, Object, Map) instead
void	init(org.zkoss.zk.ui.Component root, Object viewModel, Map<String,Object> initArgs) Initializes the binder with a root component and viewModel object.
void	loadComponent(org.zkoss.zk.ui.Component comp, boolean loadinit) Load the load-binding of the component.
void	notifyChange(Object bean, String property) Notify change of the property.
void	postCommand(String command, Map<String,Object> args) post command this binder, binder will queue the command, and fired later.
void	removeBindings(org.zkoss.zk.ui.Component comp) Remove all managed bindings that associated with the specified component.
void	removeBindings(org.zkoss.zk.ui.Component comp, String key) Remove all managed Binding that associated with the specified component and attribute name, event name, or form id.
void	removeBindings(Set<org.zkoss.zk.ui.Component> comps) Remove all managed bindings that associated with the specified components.
int	sendCommand(String command, Map<String,Object> args) send command fired to this binder and process the command immediately
void	setPhaseListener(PhaseListener listener) Sets the associated phase listener to intervene the binding life cycle.
void	setTemplate(org.zkoss.zk.ui.Component comp, String attr, String templateExpr, Map<String,Object> templateArgs) set template to a component property by an expression
void	setViewModel(Object viewModel) Sets associated ViewModel of this binder.

Field Detail

ZKBIND

static final String ZKBIND

Component annotation of ZKBind

See Also:

Constant Field Values

RENDERER

static final String RENDERER

Attribute of ZKBIND annotation, the special renderer for binding

See Also:

Constant Field Values

LOAD_EVENT

static final String LOAD_EVENT

Attribute of ZKBIND annotation, the load trigger event; meaningful only when ACCESS is "both" or "load" or not found(default to "load").

See Also:

Constant Field Values

SAVE_EVENT

static final String SAVE_EVENT

Attribute of ZKBIND annotation, the save trigger event; meaningful only when ACCESS is "both" or "save".

See Also:

Constant Field Values

ACCESS

static final String ACCESS

Attribute of ZKBIND annotation, the access direction: can be "both", "save", "load"; default to "load" if not found

See Also:

Constant Field Values

CONVERTER

static final String CONVERTER

Attribute of ZKBIND annotation, the system converter for special properties. e.g. SelectedItem in listbox. see SelectedListitemConverter.java

See Also:

Constant Field Values

VALIDATOR

static final String VALIDATOR

Attribute of ZKBIND annotation, the system validator for special properties.

See Also:

Constant Field Values

LOAD_REPLACEMENT

static final String LOAD_REPLACEMENT

Attribute of ZKBIND annotation, the load replacement ; e.g. value of textbox, it loads to rawValue

See Also:

Constant Field Values

LOAD_TYPE

static final String LOAD_TYPE

Attribute of ZKBIND annotation, the type of attribute for loading; e.g. rawValue of textbox is java.lang.String

See Also:

Constant Field Values

SAVE_REPLACEMENT

static final String SAVE_REPLACEMENT

Attribute of ZKBIND annotation, the save replacement ; e.g. selectedItem of selectbox, it save the value selectedIndex (via converter) to bean

See Also:

Constant Field Values

COMMAND_SUCCESS

static final int COMMAND_SUCCESS

Indicates the doing command is successful.

Since:

8.0.1

See Also:

Constant Field Values

COMMAND_FAIL_VALIDATE

static final int COMMAND_FAIL_VALIDATE

Indicates the doing command is failure with some validation errors.

Since:

8.0.1

See Also:

Constant Field Values

Method Detail

init

void init(org.zkoss.zk.ui.Component root,
        Object viewModel)

Deprecated. use init(Component, Object, Map) instead

Initializes the binder with a root component and viewModel object. You should never call this if you use AnnotateBinder and zk annotation

Parameters:

root - root component of binder

viewModel - viewModel object

init

void init(org.zkoss.zk.ui.Component root,
        Object viewModel,
        Map<String,Object> initArgs)

Initializes the binder with a root component and viewModel object. You should never call this if you use AnnotateBinder and zk annotation

Parameters:

root - root component of binder

viewModel - viewModel object

initArgs - args key-value pairs for initial, nullable

Since:

6.0.1

loadComponent

void loadComponent(org.zkoss.zk.ui.Component comp,
                 boolean loadinit)

Load the load-binding of the component.
By calling this method, all load-bindings in the component (including load-bindings in its descendant) will reload the value to components.

Parameters:

comp - the component to reload

loadinit - true if should also load the init-binding

getEvaluatorX

BindEvaluatorX getEvaluatorX()

Returns the BindEvaluatorX used by this Binder.

Returns:

the EvaluatorX.

addCommandBinding

void addCommandBinding(org.zkoss.zk.ui.Component comp,
                     String evtnm,
                     String commandExpr,
                     Map<String,Object> commandArgs)

Add a new command binding.

Parameters:

comp - the associated component

evtnm - the associated component event name

commandExpr - the command expression

commandArgs - other key-value pairs pairs for command

addGlobalCommandBinding

void addGlobalCommandBinding(org.zkoss.zk.ui.Component comp,
                           String evtnm,
                           String commandExpr,
                           Map<String,Object> commandArgs)

Add a new global-command binding.

Parameters:

comp - the associated component

evtnm - the associated component event name

commandExpr - the command expression

commandArgs - other key-value pairs pairs for command

setTemplate

void setTemplate(org.zkoss.zk.ui.Component comp,
               String attr,
               String templateExpr,
               Map<String,Object> templateArgs)

set template to a component property by an expression

Parameters:

comp - the associated component, must not null

attr - the associated attribute of the component; ex label, style, must not null

templateExpr - template expression, must not null

templateArgs - args key-value pairs for template, nullable

addPropertyInitBinding

void addPropertyInitBinding(org.zkoss.zk.ui.Component comp,
                          String attr,
                          String initExpr,
                          Map<String,Object> initArgs,
                          String converterExpr,
                          Map<String,Object> converterArgs)

init a component property by a expression, it only execute once

Parameters:

comp - the associated component, must not null

attr - the associated attribute of the component; ex label, style, must not null

initExpr - init expression, must not null

initArgs - args key-value pairs for initial, nullable

converterExpr - the converter expression, nullable

converterArgs - args key-value pairs for converter, nullable

addPropertyLoadBindings

void addPropertyLoadBindings(org.zkoss.zk.ui.Component comp,
                           String attr,
                           String loadExpr,
                           String[] beforeCmds,
                           String[] afterCmds,
                           Map<String,Object> bindingArgs,
                           String converterExpr,
                           Map<String,Object> converterArgs)

Add new property-load-bindings. It creates a prompt|conditional property-load-binding depends on beforeCmds and afterCmds. If both beforeCmds and afterCmds are null or empty, it create a prompt binding.

Parameters:

comp - the associated component, must not null

attr - the associated attribute of the component; ex label, style, must not null

loadExpr - load expression, must not null

beforeCmds - load before these commands, the command here is not a EL expression. nullable

afterCmds - load after these commands, the command here is not a EL expression. nullable

bindingArgs - args key-value pairs for this binding, nullable

converterExpr - the converter expression, nullable

converterArgs - args key-value pairs for converter, nullable

addPropertySaveBindings

void addPropertySaveBindings(org.zkoss.zk.ui.Component comp,
                           String attr,
                           String saveExpr,
                           String[] beforeCmds,
                           String[] afterCmds,
                           Map<String,Object> bindingArgs,
                           String converterExpr,
                           Map<String,Object> converterArgs,
                           String validatorExpr,
                           Map<String,Object> validatorArgs)

Add new property-save-bindings. It creates a prompt|conditional property-save-binding depends on beforeCmds and afterCmds. If both beforeCmds and afterCmds are null or empty, it create a prompt binding.

Parameters:

comp - the associated component, must not null

attr - the associated attribute of the component; ex value, check, must not null

saveExpr - save expression, nullable

beforeCmds - save before these commands, the command here is not a EL expression. nullable

afterCmds - save after these commands, the command here is not a EL expression. nullable

bindingArgs - args key-value pairs for this binding, nullable

converterExpr - the converter expression, nullable

converterArgs - args key-value pairs for converter, nullable

validatorExpr - the converter expression, nullable

validatorArgs - args key-value pairs for validator, nullable

addFormInitBinding

void addFormInitBinding(org.zkoss.zk.ui.Component comp,
                      String id,
                      String initExpr,
                      Map<String,Object> initArgs)

init a component form by expression, it only execute once

Parameters:

comp - the associated component, must not null

id - the form id, must not null

initExpr - init expression, nullable

initArgs - args key-value pairs for this init, nullable

addFormLoadBindings

void addFormLoadBindings(org.zkoss.zk.ui.Component comp,
                       String id,
                       String loadExpr,
                       String[] beforeCmds,
                       String[] afterCmds,
                       Map<String,Object> bindingArgs)

Add new form-load-bindings. It create a prompt|conditional form-load-binding depends on beforeCmds and afterCmds. If both beforeCmds and afterCmds are null or empty, it create a prompt binding.

Parameters:

comp - the associated component, must not null

id - the form id, must not null

loadExpr - load expression, nullable

beforeCmds - load before these commands, the command here is not a EL expression. nullable

afterCmds - load after these commands, the command here is not a EL expression. nullable

bindingArgs - args key-value pairs for this binding, nullable

addFormSaveBindings

void addFormSaveBindings(org.zkoss.zk.ui.Component comp,
                       String id,
                       String saveExpr,
                       String[] beforeCmds,
                       String[] afterCmds,
                       Map<String,Object> bindingArgs,
                       String validatorExpr,
                       Map<String,Object> validatorArgs)

Add new form-save-bindings. It create a conditional form-save-binding depends on beforeCmds and afterCmds. Since form-save-binding is always triggered by command, if both beforeCmds and afterCmds are null or empty, it throws an exception.

Parameters:

comp - the associated component, must not null

id - the form id, must not null

saveExpr - save expression, nullable

beforeCmds - save before these commands, the command here is not a EL expression. nullable

afterCmds - save after these commands, the command here is not a EL expression. nullable

bindingArgs - args key-value pairs for this binding, nullable

validatorExpr - the converter expression, nullable

validatorArgs - args key-value pairs for validator, nullable

Throws:

IllegalArgumentException - if beforeCmds or afterCmds are both null or empty

addChildrenInitBinding

void addChildrenInitBinding(org.zkoss.zk.ui.Component comp,
                          String initExpr,
                          Map<String,Object> initArgs)

Deprecated. use addChildrenInitBinding(Component, String, Map, String, Map) instead.

init children of a component by an expression, it only execute once

Parameters:

comp - the associated component, must not null

initExpr - init expression, must not null

initArgs - args key-value pairs for initial, nullable

addChildrenInitBinding

void addChildrenInitBinding(org.zkoss.zk.ui.Component comp,
                          String initExpr,
                          Map<String,Object> initArgs,
                          String converterExpr,
                          Map<String,Object> converterArgs)

init children of a component by an expression, it only execute once

Parameters:

comp - the associated component, must not null

initExpr - init expression, must not null

initArgs - args key-value pairs for initial, nullable

converterExpr - the converter expression, nullable

converterArgs - args key-value pairs for converter, nullable

Since:

6.0.1

addChildrenLoadBindings

void addChildrenLoadBindings(org.zkoss.zk.ui.Component comp,
                           String loadExpr,
                           String[] beforeCmds,
                           String[] afterCmds,
                           Map<String,Object> bindingArgs)

Deprecated. use addChildrenLoadBindings(Component, String, String[], String[], Map, String, Map) instead.

Add new children-load-bindings. It creates a prompt|conditional children-load-binding depends on beforeCmds and afterCmds. If both beforeCmds and afterCmds are null or empty, it create a prompt binding.

Parameters:

comp - the associated component, must not null

loadExpr - load expression, must not null

beforeCmds - load before these commands, the command here is not a EL expression. nullable

afterCmds - load after these commands, the command here is not a EL expression. nullable

bindingArgs - args key-value pairs for this binding, nullable

addChildrenLoadBindings

void addChildrenLoadBindings(org.zkoss.zk.ui.Component comp,
                           String loadExpr,
                           String[] beforeCmds,
                           String[] afterCmds,
                           Map<String,Object> bindingArgs,
                           String converterExpr,
                           Map<String,Object> converterArgs)

Add new children-load-bindings. It creates a prompt|conditional children-load-binding depends on beforeCmds and afterCmds. If both beforeCmds and afterCmds are null or empty, it create a prompt binding.

Parameters:

comp - the associated component, must not null

loadExpr - load expression, must not null

beforeCmds - load before these commands, the command here is not a EL expression. nullable

afterCmds - load after these commands, the command here is not a EL expression. nullable

bindingArgs - args key-value pairs for this binding, nullable

converterExpr - the converter expression, nullable

converterArgs - args key-value pairs for converter, nullable

Since:

6.0.1

addReferenceBinding

void addReferenceBinding(org.zkoss.zk.ui.Component comp,
                       String attr,
                       String loadExpr,
                       Map<String,Object> bindingArgs)

Add a new reference-binding. It creates an attribute as the reference of the expression in the component.

Parameters:

comp - the associated component, must not null

attr - the name of reference that stored in the component; ex myval, must not null

loadExpr - load expression, must not null

bindingArgs - args key-value pairs for this binding, nullable

Since:

6.0.1

removeBindings

void removeBindings(org.zkoss.zk.ui.Component comp)

Remove all managed bindings that associated with the specified component.

Parameters:

comp -

removeBindings

void removeBindings(Set<org.zkoss.zk.ui.Component> comps)

Remove all managed bindings that associated with the specified components.

Parameters:

comps -

Since:

7.0.2

removeBindings

void removeBindings(org.zkoss.zk.ui.Component comp,
                  String key)

Remove all managed Binding that associated with the specified component and attribute name, event name, or form id.

Parameters:

comp - the associated component

key - the associated attribute name, event name, or form id

getConverter

Converter getConverter(String name)

Returns the _converter of the given _converter name.

Parameters:

name - _converter name

Returns:

the _converter of the given _converter name.

getValidator

Validator getValidator(String name)

Returns the _validator of the given _validator name.

Parameters:

name - _validator name

Returns:

the _validator of the given _validator name.

notifyChange

void notifyChange(Object bean,
                String property)

Notify change of the property.

Parameters:

bean - the backing bean object.

property - the property of the bean that change the value

sendCommand

int sendCommand(String command,
              Map<String,Object> args)

send command fired to this binder and process the command immediately

Parameters:

command - command name

args - , arguments when notifying this command, it will be passed as a arguments of execution method of vm

Returns:

the result of the doCommand, COMMAND_SUCCESS or COMMAND_FAIL_VALIDATE (since 8.0.1)

postCommand

void postCommand(String command,
               Map<String,Object> args)

post command this binder, binder will queue the command, and fired later.

Parameters:

command - command name

args - , arguments when notifying this command, it will be passed as a arguments of execution method of vm

getViewModel

Object getViewModel()

Returns associated ViewModel of this binder.

Returns:

associated ViewModel of this binder.

setViewModel

void setViewModel(Object viewModel)

Sets associated ViewModel of this binder.

Parameters:

viewModel - the associated view model of this binder.

setPhaseListener

void setPhaseListener(PhaseListener listener)

Sets the associated phase listener to intervene the binding life cycle.

Parameters:

listener - the associated phase listener.

getView

org.zkoss.zk.ui.Component getView()

Returns associated root component of this binder.

Returns:

associated root component of this binder.