CTypedMap
| 包 | system.collections |
|---|---|
| 继承 | class CTypedMap » CMap » CComponent |
| 实现 | Countable, ArrayAccess, Traversable, IteratorAggregate |
| 可用自 | 1.0 |
| 源码 | framework/collections/CTypedMap.php |
CTypedMap represents a map whose items are of the certain type.
CTypedMap extends CMap by making sure that the elements to be added to the list is of certain class type.
CTypedMap extends CMap by making sure that the elements to be added to the list is of certain class type.
公共属性
| 属性 | 类型 | 描述 | 被定义在 |
|---|---|---|---|
| count | integer | Returns the number of items in the map. | CMap |
| iterator | CMapIterator | Returns an iterator for traversing the items in the list. | CMap |
| keys | array | the key list | CMap |
| readOnly | boolean | whether this map is read-only or not. | CMap |
公共方法
| 方法 | 描述 | 被定义在 |
|---|---|---|
| __call() | Calls the named method which is not a class method. | CComponent |
| __construct() | Constructor. | CTypedMap |
| __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 |
| add() | Adds an item into the map. | CTypedMap |
| 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 |
| clear() | Removes all items in the map. | CMap |
| contains() | CMap | |
| copyFrom() | Copies iterable data into the map. | CMap |
| count() | Returns the number of items in the map. | CMap |
| 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 |
| getCount() | Returns the number of items in the map. | CMap |
| getEventHandlers() | Returns the list of attached event handlers for an event. | CComponent |
| getIterator() | Returns an iterator for traversing the items in the list. | CMap |
| getKeys() | Returns the key list | CMap |
| getReadOnly() | Returns whether this map is read-only or not. Defaults to false. | CMap |
| 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 |
| itemAt() | Returns the item with the specified key. | CMap |
| mergeArray() | Merges two or more arrays into one recursively. | CMap |
| mergeWith() | Merges iterable data into the map. | CMap |
| offsetExists() | Returns whether there is an element at the specified offset. | CMap |
| offsetGet() | Returns the element at the specified offset. | CMap |
| offsetSet() | Sets the element at the specified offset. | CMap |
| offsetUnset() | Unsets the element at the specified offset. | CMap |
| raiseEvent() | Raises an event. | CComponent |
| remove() | Removes an item from the map by its key. | CMap |
| toArray() | CMap |
方法详情
__construct()
方法
|
public void __construct(string $type)
| ||
| $type | string | class type |
源码： framework/collections/CTypedMap.php#29 (显示)
public function __construct($type)
{
$this->_type=$type;
}
Constructor.
add()
方法
|
public void add(integer $index, mixed $item)
| ||
| $index | integer | the specified position. |
| $item | mixed | new item |
源码： framework/collections/CTypedMap.php#43 (显示)
public function add($index,$item)
{
if($item instanceof $this->_type)
parent::add($index,$item);
else
throw new CException(Yii::t('yii','CTypedMap<{type}> can only hold objects of {type} class.',
array('{type}'=>$this->_type)));
}
Adds an item into the map. This method overrides the parent implementation by checking the item to be inserted is of certain type.