CMessageSource
Package | system.i18n |
---|---|
Inheritance | abstract class CMessageSource » CApplicationComponent » CComponent |
Implements | IApplicationComponent |
Subclasses | CDbMessageSource, CGettextMessageSource, CPhpMessageSource |
Since | 1.0 |
Version | $Id: CMessageSource.php 1678 2010-01-07 21:02:00Z qiang.xue $ |
A message source is an application component that provides message internationalization (i18n). It stores messages translated in different languages and provides these translated versions when requested.
A concrete class must implement loadMessages or override translateMessage.
Public Properties
Property | Type | Description | Defined By |
---|---|---|---|
behaviors | array | the behaviors that should be attached to this component. | CApplicationComponent |
isInitialized | boolean | whether this application component has been initialized (i. | CApplicationComponent |
language | string | the language that the source messages are written in. | CMessageSource |
Public Methods
Method | Description | Defined By |
---|---|---|
__call() | Calls the named method which is not a class method. | CComponent |
__get() | Returns a property value, an event handler list or a behavior based on its name. | CComponent |
__isset() | Checks if a property value is null. | CComponent |
__set() | Sets value of a component property. | CComponent |
__unset() | Sets a component property to be null. | CComponent |
asa() | Returns the named behavior object. | CComponent |
attachBehavior() | Attaches a behavior to this component. | CComponent |
attachBehaviors() | Attaches a list of behaviors to the component. | CComponent |
attachEventHandler() | Attaches an event handler to an event. | CComponent |
canGetProperty() | Determines whether a property can be read. | CComponent |
canSetProperty() | Determines whether a property can be set. | CComponent |
detachBehavior() | Detaches a behavior from the component. | CComponent |
detachBehaviors() | Detaches all behaviors from the component. | CComponent |
detachEventHandler() | Detaches an existing event handler. | CComponent |
disableBehavior() | Disables an attached behavior. | CComponent |
disableBehaviors() | Disables all behaviors attached to this component. | CComponent |
enableBehavior() | Enables an attached behavior. | CComponent |
enableBehaviors() | Enables all behaviors attached to this component. | CComponent |
evaluateExpression() | Evaluates a PHP expression or callback under the context of this component. | CComponent |
getEventHandlers() | Returns the list of attached event handlers for an event. | CComponent |
getIsInitialized() | CApplicationComponent | |
getLanguage() | CMessageSource | |
hasEvent() | Determines whether an event is defined. | CComponent |
hasEventHandler() | Checks whether the named event has attached handlers. | CComponent |
hasProperty() | Determines whether a property is defined. | CComponent |
init() | Initializes the application component. | CApplicationComponent |
onMissingTranslation() | Raised when a message cannot be translated. | CMessageSource |
raiseEvent() | Raises an event. | CComponent |
setLanguage() | CMessageSource | |
translate() | Translates a message to the specified language. | CMessageSource |
Protected Methods
Method | Description | Defined By |
---|---|---|
loadMessages() | Loads the message translation for the specified language and category. | CMessageSource |
translateMessage() | Translates the specified message. | CMessageSource |
Events
Event | Description | Defined By |
---|---|---|
onMissingTranslation | Raised when a message cannot be translated. | CMessageSource |
Property Details
the language that the source messages are written in. Defaults to application language.
Method Details
public string getLanguage()
| ||
{return} | string | the language that the source messages are written in. Defaults to application language. |
abstract protected array loadMessages(string $category, string $language)
| ||
$category | string | the message category |
$language | string | the target language |
{return} | array | the loaded messages |
Loads the message translation for the specified language and category.
public void onMissingTranslation(CMissingTranslationEvent $event)
| ||
$event | CMissingTranslationEvent | the event parameter |
Raised when a message cannot be translated. Handlers may log this message or do some default handling. The CMissingTranslationEvent::message property will be returned by translateMessage.
public void setLanguage(string $language)
| ||
$language | string | the language that the source messages are written in. |
public string translate(string $category, string $message, string $language=NULL)
| ||
$category | string | the message category |
$message | string | the message to be translated |
$language | string | the target language. If null (default), the application language will be used. This parameter has been available since version 1.0.3. |
{return} | string | the translated message (or the original message if translation is not needed) |
Translates a message to the specified language.
Note, if the specified language is the same as
the source message language, messages will NOT be translated.
If the message is not found in the translations, an onMissingTranslation
event will be raised. Handlers can mark this message or do some
default handling. The CMissingTranslationEvent::message
property of the event parameter will be returned.
protected string translateMessage(string $category, string $message, string $language)
| ||
$category | string | the category that the message belongs to |
$message | string | the message to be translated |
$language | string | the target language |
{return} | string | the translated message |
Translates the specified message. If the message is not found, an onMissingTranslation event will be raised.