Method activate

packages/sanddance/src/viewer.ts:778–785

* Set one data row to the active state.

(datum: object)

     * Set one data row to the active state.
     */
    activate(datum: object) {
        return new Promise<void>((resolve, reject) => {
            this._animator.activate(datum).then(() => {
                this._details.render();
                resolve();
            });
        });
    }

    /**
     * Deactivate item.