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Commit 88672ed1 by Qiang Xue
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furnishing base classes.

parent 8e05e6e6
Showing with 195 additions and 89 deletions
framework/base/Component.php
......@@ -14,6 +14,8 @@ namespace yii\base;
*
* @include @yii/docs/base-Component.md
*
* @property Behavior[] behaviors list of behaviors currently attached to this component
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
*/
......@@ -39,7 +41,7 @@ class Component extends \yii\base\Object
* will be implicitly called when executing `$value = $component->property;`.
* @param string $name the property name
* @return mixed the property value, event handlers attached to the event,
* the named behavior, or the value of a behavior's property
* the behavior, or the value of a behavior's property
* @throws BadPropertyException if the property is not defined
* @see __set
*/
......@@ -52,8 +54,8 @@ class Component extends \yii\base\Object
} else {
// behavior property
$this->ensureBehaviors();
foreach ($this->_b as $i => $behavior) {
if (is_string($i) && $behavior->canGetProperty($name)) {
foreach ($this->_b as $behavior) {
if ($behavior->canGetProperty($name)) {
return $behavior->$name;
}
}
......@@ -96,8 +98,8 @@ class Component extends \yii\base\Object
} else {
// behavior property
$this->ensureBehaviors();
foreach ($this->_b as $i => $behavior) {
if (is_string($i) && $behavior->canSetProperty($name)) {
foreach ($this->_b as $behavior) {
if ($behavior->canSetProperty($name)) {
$behavior->$name = $value;
return;
}
......@@ -126,13 +128,12 @@ class Component extends \yii\base\Object
{
$getter = 'get' . $name;
if (method_exists($this, $getter)) {
// property is not null
return $this->$getter() !== null;
} else {
// behavior property
$this->ensureBehaviors();
foreach ($this->_b as $i => $behavior) {
if (is_string($i) && $behavior->canGetProperty($name)) {
foreach ($this->_b as $behavior) {
if ($behavior->canGetProperty($name)) {
return $behavior->$name !== null;
}
}
......@@ -156,14 +157,13 @@ class Component extends \yii\base\Object
{
$setter = 'set' . $name;
if (method_exists($this, $setter)) {
// write property
$this->$setter(null);
return;
} else {
// behavior property
$this->ensureBehaviors();
foreach ($this->_b as $i => $behavior) {
if (is_string($i) && $behavior->canSetProperty($name)) {
foreach ($this->_b as $behavior) {
if ($behavior->canSetProperty($name)) {
$behavior->$name = null;
return;
}
......@@ -190,16 +190,17 @@ class Component extends \yii\base\Object
*/
public function __call($name, $params)
{
if ($this->canGetProperty($name, false)) {
$func = $this->$name;
$getter = 'get' . $name;
if (method_exists($this, $getter)) {
$func = $this->$getter();
if ($func instanceof \Closure) {
return call_user_func_array($func, $params);
}
}
$this->ensureBehaviors();
foreach ($this->_b as $i => $object) {
if (is_string($i) && method_exists($object, $name)) {
foreach ($this->_b as $object) {
if (method_exists($object, $name)) {
return call_user_func_array(array($object, $name), $params);
}
}
......@@ -213,10 +214,92 @@ class Component extends \yii\base\Object
*/
public function __clone()
{
$this->_e = null;
$this->_b = null;
}
/**
* Returns a value indicating whether a property is defined for this component.
* A property is defined if:
*
* - the class has a getter or setter method associated with the specified name
* (in this case, property name is case-insensitive);
* - the class has a member variable with the specified name (when `$checkVar` is true);
* - an attached behavior has a property of the given name (when `$checkBehavior` is true).
*
* @param string $name the property name
* @param boolean $checkVar whether to treat member variables as properties
* @param boolean $checkBehavior whether to treat behaviors' properties as properties of this component
* @return boolean whether the property is defined
* @see canGetProperty
* @see canSetProperty
*/
public function hasProperty($name, $checkVar = true, $checkBehavior = true)
{
return $this->canGetProperty($name, $checkVar, $checkBehavior) || $this->canSetProperty($name, $checkVar, $checkBehavior);
}
/**
* Returns a value indicating whether a property can be read.
* A property can be read if:
*
* - the class has a getter method associated with the specified name
* (in this case, property name is case-insensitive);
* - the class has a member variable with the specified name (when `$checkVar` is true);
* - an attached behavior has a readable property of the given name (when `$checkBehavior` is true).
*
* @param string $name the property name
* @param boolean $checkVar whether to treat member variables as properties
* @param boolean $checkBehavior whether to treat behaviors' properties as properties of this component
* @return boolean whether the property can be read
* @see canSetProperty
*/
public function canGetProperty($name, $checkVar = true, $checkBehavior = true)
{
if (method_exists($this, 'get' . $name) || $checkVar && property_exists($this, $name)) {
return true;
} else {
$this->ensureBehaviors();
foreach ($this->_b as $behavior) {
if ($behavior->canGetProperty($name, $checkVar)) {
return true;
}
}
return false;
}
}
/**
* Returns a value indicating whether a property can be set.
* A property can be written if:
*
* - the class has a setter method associated with the specified name
* (in this case, property name is case-insensitive);
* - the class has a member variable with the specified name (when `$checkVar` is true);
* - an attached behavior has a writable property of the given name (when `$checkBehavior` is true).
*
* @param string $name the property name
* @param boolean $checkVar whether to treat member variables as properties
* @param boolean $checkBehavior whether to treat behaviors' properties as properties of this component
* @return boolean whether the property can be written
* @see canGetProperty
*/
public function canSetProperty($name, $checkVar = true, $checkBehavior = true)
{
if (method_exists($this, 'set' . $name) || $checkVar && property_exists($this, $name)) {
return true;
} else {
$this->ensureBehaviors();
foreach ($this->_b as $behavior) {
if ($behavior->canSetProperty($name, $checkVar)) {
return true;
}
}
return false;
}
}
/**
* Returns a list of behaviors that this component should behave as.
*
* Child classes may override this method to specify the behaviors they want to behave as.
......@@ -269,7 +352,6 @@ class Component extends \yii\base\Object
*
* @param string $name the event name
* @return Vector list of attached event handlers for the event
* @throws Exception if the event is not defined
*/
public function getEventHandlers($name)
{
......@@ -309,7 +391,7 @@ class Component extends \yii\base\Object
*
* @param string $name the event name
* @param string|array|\Closure $handler the event handler
* @see off
* @see off()
*/
public function on($name, $handler)
{
......@@ -317,12 +399,12 @@ class Component extends \yii\base\Object
}
/**
* Detaches an existing event handler.
* This method is the opposite of [[on]].
* Detaches an existing event handler from this component.
* This method is the opposite of [[on()]].
* @param string $name event name
* @param string|array|\Closure $handler the event handler to be removed
* @return boolean if a handler is found and detached
* @see on
* @see on()
*/
public function off($name, $handler)
{
......@@ -335,7 +417,6 @@ class Component extends \yii\base\Object
* all attached handlers for the event.
* @param string $name the event name
* @param Event $event the event parameter. If not set, a default [[Event]] object will be created.
* @throws Exception if the event is undefined or an event handler is invalid.
*/
public function trigger($name, $event = null)
{
......@@ -344,10 +425,8 @@ class Component extends \yii\base\Object
if ($event === null) {
$event = new Event($this);
}
if ($event instanceof Event) {
$event->handled = false;
$event->name = $name;
}
foreach ($this->_e[$name] as $handler) {
call_user_func($handler, $event);
// stop further handling if the event is handled
......@@ -384,9 +463,7 @@ class Component extends \yii\base\Object
* This method will create the behavior object based on the given
* configuration. After that, the behavior object will be attached to
* this component by calling the [[Behavior::attach]] method.
* @param integer|string $name the name of the behavior. This can be a string or an integer (or empty string).
* If the former, it uniquely identifies this behavior. If the latter, the behavior becomes
* anonymous and its methods and properties will NOT be made available in this component.
* @param string $name the name of the behavior.
* @param string|array|Behavior $behavior the behavior configuration. This can be one of the following:
*
* - a [[Behavior]] object
......@@ -425,7 +502,6 @@ class Component extends \yii\base\Object
*/
public function detachBehavior($name)
{
$this->ensureBehaviors();
if (isset($this->_b[$name])) {
$behavior = $this->_b[$name];
unset($this->_b[$name]);
......@@ -464,8 +540,7 @@ class Component extends \yii\base\Object
/**
* Attaches a behavior to this component.
* @param integer|string $name the name of the behavior. If it is an integer or an empty string,
* the behavior is anonymous and its methods and properties will NOT be made available to the owner component.
* @param string $name the name of the behavior.
* @param string|array|Behavior $behavior the behavior to be attached
* @return Behavior the attached behavior.
*/
......@@ -474,16 +549,10 @@ class Component extends \yii\base\Object
if (!($behavior instanceof Behavior)) {
$behavior = \Yii::createObject($behavior);
}
if (is_int($name) || $name == '') {
// anonymous behavior
$behavior->attach($this);
return $this->_b[] = $behavior;
} else {
if (isset($this->_b[$name])) {
$this->_b[$name]->detach($this);
}
$behavior->attach($this);
return $this->_b[$name] = $behavior;
}
}
}
framework/base/Object.php
......@@ -160,8 +160,12 @@ class Object
/**
* Returns a value indicating whether a property is defined.
* A property is defined if there is a getter or setter method
* defined in the class. Note that property names are case-insensitive.
* A property is defined if:
*
* - the class has a getter or setter method associated with the specified name
* (in this case, property name is case-insensitive);
* - the class has a member variable with the specified name (when `$checkVar` is true);
*
* @param string $name the property name
* @param boolean $checkVar whether to treat member variables as properties
* @return boolean whether the property is defined
......@@ -175,8 +179,12 @@ class Object
/**
* Returns a value indicating whether a property can be read.
* A property can be read if the class has a getter method
* for the property name. Note that property name is case-insensitive.
* A property is readable if:
*
* - the class has a getter method associated with the specified name
* (in this case, property name is case-insensitive);
* - the class has a member variable with the specified name (when `$checkVar` is true);
*
* @param string $name the property name
* @param boolean $checkVar whether to treat member variables as properties
* @return boolean whether the property can be read
......@@ -189,8 +197,12 @@ class Object
/**
* Returns a value indicating whether a property can be set.
* A property can be written if the class has a setter method
* for the property name. Note that property name is case-insensitive.
* A property is writable if:
*
* - the class has a setter method associated with the specified name
* (in this case, property name is case-insensitive);
* - the class has a member variable with the specified name (when `$checkVar` is true);
*
* @param string $name the property name
* @param boolean $checkVar whether to treat member variables as properties
* @return boolean whether the property can be written
......
tests/unit/framework/base/ComponentTest.php
......@@ -32,9 +32,12 @@ class ComponentTest extends \yiiunit\TestCase
public function testHasProperty()
{
$this->assertTrue($this->component->hasProperty('Text'), "Component hasn't property Text");
$this->assertTrue($this->component->hasProperty('text'), "Component hasn't property text");
$this->assertFalse($this->component->hasProperty('Caption'), "Component as property Caption");
$this->assertTrue($this->component->hasProperty('Text'));
$this->assertTrue($this->component->hasProperty('text'));
$this->assertFalse($this->component->hasProperty('Caption'));
$this->assertTrue($this->component->hasProperty('content'));
$this->assertFalse($this->component->hasProperty('content', false));
$this->assertFalse($this->component->hasProperty('Content'));
}
public function testCanGetProperty()
......@@ -42,19 +45,26 @@ class ComponentTest extends \yiiunit\TestCase
$this->assertTrue($this->component->canGetProperty('Text'));
$this->assertTrue($this->component->canGetProperty('text'));
$this->assertFalse($this->component->canGetProperty('Caption'));
$this->assertTrue($this->component->canGetProperty('content'));
$this->assertFalse($this->component->canGetProperty('content', false));
$this->assertFalse($this->component->canGetProperty('Content'));
}
public function testCanSetProperty()
{
$this->assertTrue($this->component->canSetProperty('Text'));
$this->assertTrue($this->component->canSetProperty('text'));
$this->assertFalse($this->component->canSetProperty('Object'));
$this->assertFalse($this->component->canSetProperty('Caption'));
$this->assertTrue($this->component->canSetProperty('content'));
$this->assertFalse($this->component->canSetProperty('content', false));
$this->assertFalse($this->component->canSetProperty('Content'));
}
public function testGetProperty()
{
$this->assertTrue('default' === $this->component->Text);
$this->setExpectedException('yii\base\Exception');
$this->setExpectedException('yii\base\BadPropertyException');
$value2 = $this->component->Caption;
}
......@@ -62,24 +72,30 @@ class ComponentTest extends \yiiunit\TestCase
{
$value = 'new value';
$this->component->Text = $value;
$text = $this->component->Text;
$this->assertTrue($value === $this->component->Text);
$this->setExpectedException('yii\base\Exception');
$this->assertEquals($value, $this->component->Text);
$this->setExpectedException('yii\base\BadPropertyException');
$this->component->NewMember = $value;
}
public function testIsset()
{
$this->assertTrue(isset($this->component->Text));
$this->assertTrue(!empty($this->component->Text));
unset($this->component->Text);
$this->assertFalse(isset($this->component->Text));
$this->assertFalse(!empty($this->component->Text));
$this->assertFalse(empty($this->component->Text));
$this->component->Text = '';
$this->assertTrue(isset($this->component->Text));
$this->assertTrue(empty($this->component->Text));
$this->component->Text = null;
$this->assertFalse(isset($this->component->Text));
$this->assertTrue(empty($this->component->Text));
}
public function testUnset()
{
unset($this->component->Text);
$this->assertFalse(isset($this->component->Text));
$this->assertTrue(empty($this->component->Text));
}
public function testOn()
......@@ -147,38 +163,24 @@ class ComponentTest extends \yiiunit\TestCase
$this->assertFalse($this->component->eventHandled);
}
public function testDetachBehavior()
public function testAttachBehavior()
{
$component = new NewComponent;
$behavior = new NewBehavior;
$component->attachBehavior('a', $behavior);
$this->assertSame($behavior, $component->detachBehavior('a'));
}
public function testDetachingBehaviors()
{
$component = new NewComponent;
$behavior = new NewBehavior;
$component->attachBehavior('a', $behavior);
$component->detachBehaviors();
$this->setExpectedException('yii\base\Exception');
$component->test();
}
$this->assertFalse($component->hasProperty('p'));
$this->assertFalse($component->behaviorCalled);
$this->assertNull($component->getBehavior('a'));
public function testGetBehavior()
{
$component = new NewComponent;
$behavior = new NewBehavior;
$component->attachBehavior('a', $behavior);
$this->assertSame($behavior, $component->getBehavior('a'));
}
$this->assertTrue($component->hasProperty('p'));
$component->test();
$this->assertTrue($component->behaviorCalled);
public function testCreate()
{
$component = NewComponent2::newInstance(array('a' => 3), 1, 2);
$this->assertEquals(1, $component->b);
$this->assertEquals(2, $component->c);
$this->assertEquals(3, $component->a);
$this->assertSame($behavior, $component->detachBehavior('a'));
$this->assertFalse($component->hasProperty('p'));
$this->setExpectedException('yii\base\BadMethodException');
$component->test();
}
}
......@@ -186,9 +188,8 @@ class NewComponent extends \yii\base\Component
{
private $_object = null;
private $_text = 'default';
public $eventHandled = false;
public $event;
public $behaviorCalled = false;
private $_items = array();
public $content;
public function getText()
{
......@@ -203,12 +204,28 @@ class NewComponent extends \yii\base\Component
public function getObject()
{
if (!$this->_object) {
$this->_object = new NewComponent;
$this->_object = new self;
$this->_object->_text = 'object text';
}
return $this->_object;
}
public function getExecute()
{
return function($param) {
return $param * 2;
};
}
public function getItems()
{
return $this->_items;
}
public $eventHandled = false;
public $event;
public $behaviorCalled = false;
public function myEventHandler($event)
{
$this->eventHandled = true;
......@@ -223,6 +240,8 @@ class NewComponent extends \yii\base\Component
class NewBehavior extends \yii\base\Behavior
{
public $p;
public function test()
{
$this->owner->behaviorCalled = true;
......
tests/unit/framework/base/DictionaryTest.php
......@@ -11,6 +11,9 @@ class MapItem
class DictionaryTest extends \yiiunit\TestCase
{
/**
* @var \yii\base\Dictionary
*/
protected $dictionary;
protected $item1,$item2,$item3;
......@@ -92,7 +95,7 @@ class DictionaryTest extends \yiiunit\TestCase
$this->assertEquals($this->item3, $this->dictionary['key3']);
$this->assertEquals($this->item1, $this->dictionary['key4']);
$this->setExpectedException('yii\base\Exception');
$this->setExpectedException('yii\base\BadParamException');
$this->dictionary->copyFrom($this);
}
......@@ -111,7 +114,7 @@ class DictionaryTest extends \yiiunit\TestCase
$this->assertEquals(3,$this->dictionary->getCount());
$this->assertEquals($this->item1,$this->dictionary['key2']);
$this->assertEquals($this->item3,$this->dictionary['key3']);
$this->setExpectedException('yii\base\Exception');
$this->setExpectedException('yii\base\BadParamException');
$this->dictionary->mergeWith($this,false);
}
......
tests/unit/framework/base/VectorTest.php
......@@ -11,6 +11,9 @@ class ListItem
class VectorTest extends \yiiunit\TestCase
{
/**
* @var Vector
*/
protected $vector;
protected $item1, $item2, $item3;
......@@ -62,7 +65,7 @@ class VectorTest extends \yiiunit\TestCase
$this->assertEquals(2,$this->vector->indexOf($this->item2));
$this->assertEquals(0,$this->vector->indexOf($this->item3));
$this->assertEquals(1,$this->vector->indexOf($this->item1));
$this->setExpectedException('yii\base\Exception');
$this->setExpectedException('yii\base\BadParamException');
$this->vector->insertAt(4,$this->item3);
}
......@@ -84,7 +87,7 @@ class VectorTest extends \yiiunit\TestCase
$this->assertEquals(-1,$this->vector->indexOf($this->item2));
$this->assertEquals(1,$this->vector->indexOf($this->item3));
$this->assertEquals(0,$this->vector->indexOf($this->item1));
$this->setExpectedException('yii\base\Exception');
$this->setExpectedException('yii\base\BadParamException');
$this->vector->removeAt(2);
}
......@@ -115,7 +118,7 @@ class VectorTest extends \yiiunit\TestCase
$array=array($this->item3,$this->item1);
$this->vector->copyFrom($array);
$this->assertTrue(count($array)==2 && $this->vector[0]===$this->item3 && $this->vector[1]===$this->item1);
$this->setExpectedException('yii\base\Exception');
$this->setExpectedException('yii\base\BadParamException');
$this->vector->copyFrom($this);
}
......@@ -124,7 +127,7 @@ class VectorTest extends \yiiunit\TestCase
$array=array($this->item3,$this->item1);
$this->vector->mergeWith($array);
$this->assertTrue($this->vector->getCount()==4 && $this->vector[0]===$this->item1 && $this->vector[3]===$this->item1);
$this->setExpectedException('yii\base\Exception');
$this->setExpectedException('yii\base\BadParamException');
$this->vector->mergeWith($this);
}
......@@ -138,7 +141,7 @@ class VectorTest extends \yiiunit\TestCase
{
$this->assertTrue($this->vector[0]===$this->item1);
$this->assertTrue($this->vector[1]===$this->item2);
$this->setExpectedException('yii\base\Exception');
$this->setExpectedException('yii\base\BadParamException');
$a=$this->vector[2];
}
......
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