tinymce.util.Observable

This mixin adds event binding logic to classes. Adapts the EventDispatcher class.

Summary

Methods

Name Summary Defined by

fire()

Fires the specified event by name. Consult the event reference for more details on each event.

Observable

hasEventListeners()

Returns true/false if the object has a event of the specified name.

Observable

off()

Unbinds an event listener to a specific event by name. Consult the event reference for more details on each event.

Observable

on()

Binds an event listener to a specific event by name. Consult the event reference for more details on each event.

Observable

once()

Bind the event callback and once it fires the callback is removed. Consult the event reference for more details on each event.

Observable

Methods

fire()

fire(name: String, args: Object?, bubble: Boolean?): Object

Fires the specified event by name. Consult the event reference for more details on each event.

Examples

instance.fire('event', {...});

Parameters

  • name (String) - Name of the event to fire.

  • args (Object?) - Event arguments.

  • bubble (Boolean?) - True/false if the event is to be bubbled.

Return value

  • Object - Event args instance passed in.

hasEventListeners()

hasEventListeners(name: String): Boolean

Returns true/false if the object has a event of the specified name.

Parameters

  • name (String) - Name of the event to check for.

Return value

  • Boolean - true/false if the event exists or not.

off()

off(name: String?, callback: callback?): Object

Unbinds an event listener to a specific event by name. Consult the event reference for more details on each event.

Examples

// Unbind specific callback
instance.off('event', handler);

// Unbind all listeners by name
instance.off('event');

// Unbind all events
instance.off();

Parameters

  • name (String?) - Name of the event to unbind.

  • callback (callback?) - Callback to unbind.

Return value

  • Object - Current class instance.

on()

on(name: String, callback: callback, prepend: Boolean): Object

Binds an event listener to a specific event by name. Consult the event reference for more details on each event.

Examples

instance.on('event', function(e) {
    // Callback logic
});

Parameters

  • name (String) - Event name or space separated list of events to bind.

  • callback (callback) - Callback to be executed when the event occurs.

  • prepend (Boolean) - Optional flag if the event should be prepended. Use this with care.

Return value

  • Object - Current class instance.

once()

once(name: String, callback: callback): Object

Bind the event callback and once it fires the callback is removed. Consult the event reference for more details on each event.

Parameters

  • name (String) - Name of the event to bind.

  • callback (callback) - Callback to bind only once.

Return value

  • Object - Current class instance.