Class ToggleGroup

开关组逻辑类

Hierarchy

  • EventHandler
    • ToggleGroup

Constructors

Properties

_currentToggle: Toggle
allowSwitchOff: boolean
closeAllToggleFlag: boolean = false
toggles: Set<Toggle>

Accessors

Methods

  • Fire an event, all additional arguments are passed on to the event listener.

    Returns

    Self for chaining.

    Example

    obj.fire('test', 'This is the message');
    

    Parameters

    • name: string

      Name of event to fire.

    • Optional arg1: any

      First argument that is passed to the event handler.

    • Optional arg2: any

      Second argument that is passed to the event handler.

    • Optional arg3: any

      Third argument that is passed to the event handler.

    • Optional arg4: any

      Fourth argument that is passed to the event handler.

    • Optional arg5: any

      Fifth argument that is passed to the event handler.

    • Optional arg6: any

      Sixth argument that is passed to the event handler.

    • Optional arg7: any

      Seventh argument that is passed to the event handler.

    • Optional arg8: any

      Eighth argument that is passed to the event handler.

    Returns EventHandler

  • Test if there are any handlers bound to an event name.

    Returns

    True if the object has handlers bound to the specified event name.

    Example

    obj.on('test', function () { }); // bind an event to 'test'
    obj.hasEvent('test'); // returns true
    obj.hasEvent('hello'); // returns false

    Parameters

    • name: string

      The name of the event to test.

    Returns boolean

  • Detach an event handler from an event. If callback is not provided then all callbacks are unbound from the event, if scope is not provided then all events with the callback will be unbound.

    Returns

    Self for chaining.

    Example

    var handler = function () {
    };
    obj.on('test', handler);

    obj.off(); // Removes all events
    obj.off('test'); // Removes all events called 'test'
    obj.off('test', handler); // Removes all handler functions, called 'test'
    obj.off('test', handler, this); // Removes all handler functions, called 'test' with scope this

    Parameters

    • Optional name: string

      Name of the event to unbind.

    • Optional callback: HandleEventCallback

      Function to be unbound.

    • Optional scope: object

      Scope that was used as the this when the event is fired.

    Returns EventHandler

  • Attach an event handler to an event.

    Returns

    Self for chaining.

    Example

    obj.on('test', function (a, b) {
    console.log(a + b);
    });
    obj.fire('test', 1, 2); // prints 3 to the console

    Parameters

    • name: string

      Name of the event to bind the callback to.

    • callback: HandleEventCallback

      Function that is called when event is fired. Note the callback is limited to 8 arguments.

    • Optional scope: object

      Object to use as 'this' when the event is fired, defaults to current this.

    Returns EventHandler

  • Attach an event handler to an event. This handler will be removed after being fired once.

    Returns

    Self for chaining.

    Example

    obj.once('test', function (a, b) {
    console.log(a + b);
    });
    obj.fire('test', 1, 2); // prints 3 to the console
    obj.fire('test', 1, 2); // not going to get handled

    Parameters

    • name: string

      Name of the event to bind the callback to.

    • callback: HandleEventCallback

      Function that is called when event is fired. Note the callback is limited to 8 arguments.

    • Optional scope: object

      Object to use as 'this' when the event is fired, defaults to current this.

    Returns EventHandler

  • 开关组限制开关的行为

    Returns

    开关状态是否改变

    Parameters

    • toggle: Toggle

      要限制的开关

    • targetState: boolean

      开关的目标状态

    Returns boolean