Custom Events

MediumEditor Custom Events Overview

MediumEditor exposes a variety of custom events for convienience when using the editor with your web application. You can attach and detach listeners to these custom events, as well as manually trigger any custom events including your own custom events.

• API Methods
  • MediumEditor.subscribe(name, listener)
    • name (string)
    • listener(data, editable) (function)
  • MediumEditor.unsubscribe(event, listener)
    • name (string)
    • listener (function)_
  • MediumEditor.trigger(name, data, editable)
    • name (string)
    • data (object)
    • editable (HTMLElement)
• Custom Events
  • blur
  • editableInput
  • externalInteraction
  • focus
• Proxied Events
  • editableClick
  • editableBlur
  • editableKeypress
  • editableKeyup
  • editableKeydown
  • editableKeydownEnter
  • editableKeydownTab
  • editableKeydownDelete
  • editableMouseover
  • editableDrag
  • editableDrop
  • editablePaste

API Methods

Use the following methods of MediumEditor for custom event interaction:

MediumEditor.subscribe(name, listener)

Attaches a listener for the specified custom event name.

name (string)

Name of the event to listen to. See the list of built-in Custom Events below.

listener(data, editable) (function)

Listener method that will be called whenever the custom event is triggered.

Arguments to listener

• data _(Event | object)
  • For most custom events, this will be the browser's native Event object for the event that triggered the custom event to fire.
  • For some custom events, this will be an object containing information describing the event (depending on which custom event it is)
• editable
  • A reference to the contenteditable container element that this custom event corresponds to. This is especially useful for instances where one instance of MediumEditor contains multiple elements, or there are multiple instances of MediumEditor on the page.
  • For example, when blur fires, this argument will be the <div contenteditable=true></div> element that is about to receive focus.

MediumEditor.unsubscribe(event, listener)

Detaches a custom event listener for the specified custom event name.

name (string)

Name of the event to detach the listener for.

listener (function)_

A reference to the listener to detach. This must be a match by-reference and not a copy.

NOTE

Calling destroy() on the MediumEditor object will automatically remove all custom event listeners.

MediumEditor.trigger(name, data, editable)

Manually triggers a custom event.

name (string)

Name of the custom event to trigger.

data (object)

Native Event object or custom data object to pass to all the listeners to this custom event.

editable (HTMLElement)

The <div contenteditable=true></div> element to pass to all of the listeners to this custom event.

Custom Events

These events are custom to MediumEditor so there may be one or more native events that can trigger them.

blur

editableInput

externalInteraction

focus

Proxied Events

These events are triggered whenever a native browser event is triggered for any of the contenteditable elements monitored by this instnace of MediumEditor.

For example, the editableClick custom event will be triggered when a native click event is fired on any of the contenteditable elements. This provides a single event listener that can get fired for all elements, and also allows for the contenteditable element that triggered the event to be passed to the listener.

editableClick

editableBlur

editableKeypress

editableKeyup

editableKeydown

editableKeydownEnter

editableKeydownTab

editableKeydownDelete

editableMouseover

editableDrag

editableDrop

editablePaste