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This commit is contained in:
Qiang Xue
2011-08-01 11:26:37 -04:00
parent f53a188fc6
commit 5e1e3fd18a
5 changed files with 148 additions and 36 deletions
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75
framework/YiiBase.php
View File

@ -154,7 +154,7 @@ class YiiBase
}
if ($alias[0] !== '@') { // a simple class name
if ($forceInclude && self::autoload($alias)) {
if ($forceInclude && static::autoload($alias)) {
self::$_imported[$alias] = $alias;
}
return $alias;
@ -167,7 +167,7 @@ class YiiBase
return self::$_imported[$alias] = $className;
}
if (($path = self::getAlias(dirname($alias))) === false) {
if (($path = static::getAlias(dirname($alias))) === false) {
throw new \yii\base\Exception('Invalid path alias: ' . $alias);
}
@ -240,7 +240,7 @@ class YiiBase
elseif ($path[0] !== '@') {
self::$aliases[$alias] = rtrim($path, '\\/');
}
elseif (($p = self::getAlias($path)) !== false) {
elseif (($p = static::getAlias($path)) !== false) {
self::$aliases[$alias] = $p;
}
else {
@ -277,7 +277,7 @@ class YiiBase
if (strpos($className, '\\') !== false) {
// convert namespace to path alias, e.g. yii\base\Component to @yii/base/Component
$alias = '@' . str_replace('\\', '/', ltrim($className, '\\'));
if (($path = self::getAlias($alias)) !== false) {
if (($path = static::getAlias($alias)) !== false) {
include($path . '.php');
return true;
}
@ -288,7 +288,7 @@ class YiiBase
if (($pos = strpos($className, '_')) !== false) {
// convert class name to path alias, e.g. PHPUnit_Framework_TestCase to @PHPUnit/Framework/TestCase
$alias = '@' . str_replace('_', '/', $className);
if (($path = self::getAlias($alias)) !== false) {
if (($path = static::getAlias($alias)) !== false) {
include($path . '.php');
return true;
}
@ -307,15 +307,16 @@ class YiiBase
}
/**
* Creates an object and initializes its properties based on the given configuration.
* Creates a new component instance using the given configuration.
*
* The specified configuration can be either a string or an array.
* If the former, the string is treated as the object type which can
* be either a class name or [[getAlias|path alias]].
* If the latter, the array must contain a `class` element which refers
* to a class name or [[getAlias|path alias]]. The rest of the name-value
* pairs in the array will be used to initialize the corresponding object properties.
* For example,
* If the former, the string is treated as the object type; if the latter,
* the array must contain a `class` element specifying the object type, and
* the rest of the name-value pairs in the array will be used to initialize
* the corresponding object properties.
*
* The object type can be either a class name or [[getAlias|path alias]] of
* the class. For example,
*
* ~~~
* $component = Yii::createComponent('@app/components/GoogleMap');
@ -330,63 +331,65 @@ class YiiBase
* passed to the constructor of the object being created.
*
* If a component class implements the [[\yii\base\Initable]] interface,
* its [[\yii\base\Initable::init|init]] method will be invoked after
* its properties have been initialized.
* its [[\yii\base\Initable::preinit|preinit]] and [[\yii\base\Initable::init|init]]
* methods will be invoked BEFORE and AFTER the component properties are initialized,
* respectively.
*
* @param mixed $config the configuration. It can be either a string or an array.
* @return mixed the created object
* @throws \yii\base\Exception if the configuration does not have a 'class' element.
* @throws \yii\base\Exception if the configuration is invalid.
*/
public static function createComponent($config)
{
if (is_string($config)) {
$type = $config;
$class = $config;
$config = array();
}
elseif (isset($config['class'])) {
$type = $config['class'];
$class = $config['class'];
unset($config['class']);
}
else {
throw new \yii\base\Exception('Object configuration must be an array containing a "class" element.');
}
if (!class_exists($type, false)) {
$type = Yii::import($type, true);
if (!class_exists($class, false)) {
$class = static::import($class, true);
}
if (($n = func_num_args()) > 1) {
$args = func_get_args();
if ($n === 2) {
$object = new $type($args[1]);
$object = new $class($args[1]);
}
elseif ($n === 3) {
$object = new $type($args[1], $args[2]);
$object = new $class($args[1], $args[2]);
}
elseif ($n === 4) {
$object = new $type($args[1], $args[2], $args[3]);
$object = new $class($args[1], $args[2], $args[3]);
}
else {
unset($args[0]);
$class = new ReflectionClass($type);
$object = $class->newInstanceArgs($args);
$r = new ReflectionClass($class);
$object = $r->newInstanceArgs($args);
}
}
else {
$object = new $type;
$object = new $class;
}
if ($object instanceof \yii\base\Component) {
if ($object instanceof Initable) {
$object->preinit();
}
foreach ($config as $key => $value) {
$object->$key = $value;
}
if ($object instanceof \yii\base\Initable) {
foreach ($config as $name => $value) {
$object->$name = $value;
}
$object->init();
}
else {
foreach ($config as $name => $value) {
$object->$name = $value;
}
}
return $object;
}
@ -401,7 +404,7 @@ class YiiBase
public static function trace($msg, $category = 'application')
{
if (YII_DEBUG) {
self::log($msg, CLogger::LEVEL_TRACE, $category);
static::log($msg, CLogger::LEVEL_TRACE, $category);
}
}
@ -459,7 +462,7 @@ class YiiBase
*/
public static function beginProfile($token, $category = 'application')
{
self::log('begin:' . $token, CLogger::LEVEL_PROFILE, $category);
static::log('begin:' . $token, CLogger::LEVEL_PROFILE, $category);
}
/**
@ -471,7 +474,7 @@ class YiiBase
*/
public static function endProfile($token, $category = 'application')
{
self::log('end:' . $token, CLogger::LEVEL_PROFILE, $category);
static::log('end:' . $token, CLogger::LEVEL_PROFILE, $category);
}
/**

53
framework/base/ApplicationComponent.php Normal file
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@ -0,0 +1,53 @@
<?php
/**
* ApplicationComponent class file.
*
* @link http://www.yiiframework.com/
* @copyright Copyright &copy; 2008-2012 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yii\base;
/**
* ApplicationComponent is the base class for application component classes.
*
* Child classes mainly needs to implement the [[Initable::init|init]] method as required by
* the [[Initable]] interface.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
*/
abstract class ApplicationComponent extends Component implements Initable
{
/**
* @var array the behaviors that should be attached to this component.
* The behaviors will be attached to the component when [[init]] is called.
* Please refer to [[Model::behaviors]] on how to specify the value of this property.
*/
public $behaviors = array();
/**
* Pre-initializes this component.
* This method is required by the [[Initable]] interface. It is invoked by
* [[\Yii::createComponent]] after its creates the new component instance but
* BEFORE the component properties are initialized.
*
* You may override this method to do work such as setting property default values.
*/
public function preinit()
{
}
/**
* Initializes the application component.
* This method is invoked after the component is created and its property values are
* initialized. The default implementation will call [[Component::attachBehaviors]]
* to attach behaviors declared in [[behaviors]].
* If you override this method, make sure to call the parent implementation.
*/
public function init()
{
$this->attachBehaviors($this->behaviors);
}
}

35
framework/base/Component.php
View File

@ -303,6 +303,41 @@ class Component
throw new Exception('Unknown method: ' . get_class($this) . "::$name()");
}
/**
* Creates a new component instance.
*
* This method differs from the PHP `new` operator in that it does the following
* additional work after the component is created:
*
* - Call [[Initable::preinit|preinit]] if the class implements [[Initable]];
* - Initialize the component properties using the name-value pairs given as the
* first parameter to this method;
* - Call [[Initable::init|init]] if the class implements [[Initable]].
*
* Any additional parameters passed to this method will be
* passed to the constructor of the component being created. For example,
*
* @param array $config the name-value pairs that will be used to initialize component properties.
* @return object the created component
* @throws Exception if the configuration is invalid.
*/
public static function create($config = array())
{
if (!is_array($config)) {
throw new Exception('The $config parameter must be an array.');
}
if (($n = func_num_args()) > 1) {
$args = func_get_args();
$args[0]['class'] = '\\' . get_called_class();
return call_user_func_array('\Yii::createComponent', $args);
}
else {
$config['class'] = '\\' . get_called_class();
return \Yii::createComponent($config);
}
}
/**
* Returns a value indicating whether a property is defined.
* A property is defined if there is a getter or setter method

9
framework/base/Initable.php
View File

@ -22,6 +22,15 @@ namespace yii\base;
*/
interface Initable
{
/**
* Pre-initializes this component.
* This method is invoked by [[\Yii::createComponent]] after its creates the new
* component instance, but BEFORE the component properties are initialized.
*
* You may implement this method to do work such as setting property default values.
*/
public function preinit();
/**
* Initializes this component.
* This method is invoked by [[\Yii::createComponent]] after its creates the new

12
framework/base/Model.php
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@ -49,6 +49,18 @@ class Model extends Component implements Initable, \IteratorAggregate, \ArrayAcc
$this->afterConstruct();
}
/**
* Pre-initializes this model.
* This method is required by the [[Initable]] interface. It is invoked by
* [[\Yii::createComponent]] after its creates the new model instance but
* BEFORE the model properties are initialized.
*
* You may override this method to do work such as setting property default values.
*/
public function preinit()
{
}
/**
* Initializes this model.
*