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Using methods and events

This guide explains how to use Flexmonster methods and events. First, we will get a reference to the Flexmonster instance. Then we will use this reference to call methods and subscribe to events.

Prerequisites

Get a reference to the Flexmonster instance

To interact with Flexmonster via its API, you need a reference to the Flexmonster instance. Get the reference during or after the initialization:

During the initialization

When calling the new Flexmonster() constructor, assign its result to a variable:

const pivot = new Flexmonster({
  // …
});

After the initialization

Get the reference to the Flexmonster instance via the uielement property of the component’s container:

const pivot =
  document.getElementById("flexmonsterContainer").uielement.flexmonster;

Now the pivot variable contains a reference to the Flexmonster instance. Use the pivot to access Flexmonster API.

Use methods

Call Flexmonster methods using the reference to the Flexmonster instance:

pivot.setReport(report);

Some methods can also be defined as Flexmonster initialization parameters:

const pivot = new Flexmonster({
  // …
  customizeCell: customizeCellFunction
});

Such methods include:

See the full list of Flexmonster methods.

Use events

There are two ways to subscribe to an event:

You can also unsubscribe from an event.

Subscribing to an event via the initialization parameters

Define an event as the new Flexmonster() parameter and assign an event handler to it:

const pivot = new Flexmonster({
  // …
  reportcomplete: onReportComplete
});

See the full list of Flexmonster events.

Subscribing to an event via the on() method

Call the on() method using the reference to the Flexmonster instance:

pivot.on('reportcomplete', onReportComplete);

Check out the full list of Flexmonster events.

Unsubscribing from an event

Use the off() method to unsubscribe from an event:

pivot.off('reportcomplete');

This will remove all handlers from the event. To remove a specific handler, pass its name as a second parameter to off():

pivot.off('reportcomplete', onReportComplete);

Note If a handler is specified as an anonymous function, you can remove it only by removing all handlers.

See also