How to use the framework/events.Events.on function in framework

constructor() {
        Events.on('refresh', this.refresh.bind(this));
        Events.on('set-filter', this.setFilter.bind(this));
        Events.on('add-filter', this.addFilter.bind(this));
        Events.on('set-sort', this.setSort.bind(this));
        Events.on('empty-trash', this.emptyTrash.bind(this));
        Events.on('select-entry', this.selectEntry.bind(this));
        Events.on('unset-keyfile', this.unsetKeyFile.bind(this));

        this.appLogger = new Logger('app');
        AppModel.instance = this; // For KeeWebHttp. TODO: kill this
    }

constructor() {
        Events.on('refresh', this.refresh.bind(this));
        Events.on('set-filter', this.setFilter.bind(this));
        Events.on('add-filter', this.addFilter.bind(this));
        Events.on('set-sort', this.setSort.bind(this));
        Events.on('empty-trash', this.emptyTrash.bind(this));
        Events.on('select-entry', this.selectEntry.bind(this));
        Events.on('unset-keyfile', this.unsetKeyFile.bind(this));

        this.appLogger = new Logger('app');
        AppModel.instance = this; // For KeeWebHttp. TODO: kill this
    }

constructor() {
        Events.on('refresh', this.refresh.bind(this));
        Events.on('set-filter', this.setFilter.bind(this));
        Events.on('add-filter', this.addFilter.bind(this));
        Events.on('set-sort', this.setSort.bind(this));
        Events.on('empty-trash', this.emptyTrash.bind(this));
        Events.on('select-entry', this.selectEntry.bind(this));
        Events.on('unset-keyfile', this.unsetKeyFile.bind(this));

        this.appLogger = new Logger('app');
        AppModel.instance = this; // For KeeWebHttp. TODO: kill this
    }

delete this.pendingFileToOpen;
        }
    },
    openFile(file) {
        if (this.readyToOpenFiles) {
            Events.emit('launcher-open-file', file);
        } else {
            this.pendingFileToOpen = file;
        }
    },
    setGlobalShortcuts(appSettings) {
        this.remoteApp().setGlobalShortcuts(appSettings);
    }
};

Events.on('launcher-exit-request', () => {
    setTimeout(() => Launcher.exit(), 0);
});
Events.on('launcher-minimize', () => setTimeout(() => Events.emit('app-minimized'), 0));
Events.on('launcher-started-minimized', () => setTimeout(() => Launcher.minimizeApp(), 0));

window.launcherOpen = file => Launcher.openFile(file);
if (window.launcherOpenedFile) {
    logger.info('Open file request', window.launcherOpenedFile);
    Launcher.openFile(window.launcherOpenedFile);
    delete window.launcherOpenedFile;
}
Events.on('app-ready', () => setTimeout(() => Launcher.checkOpenFiles(), 0));

global.Events = Events;

export { Launcher };

if (this.readyToOpenFiles) {
            Events.emit('launcher-open-file', file);
        } else {
            this.pendingFileToOpen = file;
        }
    },
    setGlobalShortcuts(appSettings) {
        this.remoteApp().setGlobalShortcuts(appSettings);
    }
};

Events.on('launcher-exit-request', () => {
    setTimeout(() => Launcher.exit(), 0);
});
Events.on('launcher-minimize', () => setTimeout(() => Events.emit('app-minimized'), 0));
Events.on('launcher-started-minimized', () => setTimeout(() => Launcher.minimizeApp(), 0));

window.launcherOpen = file => Launcher.openFile(file);
if (window.launcherOpenedFile) {
    logger.info('Open file request', window.launcherOpenedFile);
    Launcher.openFile(window.launcherOpenedFile);
    delete window.launcherOpenedFile;
}
Events.on('app-ready', () => setTimeout(() => Launcher.checkOpenFiles(), 0));

global.Events = Events;

export { Launcher };

init(appModel) {
        if (!this.enabled) {
            return;
        }
        this.appModel = appModel;
        Events.on('auto-type', e => this.handleEvent(e));
        Events.on('main-window-blur', e => this.resetPendingEvent(e));
        Events.on('main-window-will-close', e => this.resetPendingEvent(e));
        Events.on('closed-open-view', e => this.processPendingEvent(e));
    },

Tip.prototype.show = function() {
    if ((!Tip.enabled && !this.force) || !this.title) {
        return;
    }
    Events.on('page-geometry', this.hide);
    if (this.tipEl) {
        this.tipEl.remove();
        if (this.hideTimeout) {
            clearTimeout(this.hideTimeout);
            this.hideTimeout = null;
        }
    }
    const tipEl = (this.tipEl = $('<div></div>')
        .addClass('tip')
        .appendTo('body')
        .html(this.title));
    const rect = this.el[0].getBoundingClientRect();
    const tipRect = this.tipEl[0].getBoundingClientRect();
    const placement = this.placement || this.getAutoPlacement(rect, tipRect);
    tipEl.addClass('tip--' + placement);
    if (this.fast) {

}
            const token = this._oauthProcessReturn(e.data);
            if (token) {
                Events.off('popup-closed', popupClosed);
                window.removeEventListener('message', windowMessage);
                if (token.error) {
                    this.logger.error('OAuth error', token.error, token.errorDescription);
                    callback('OAuth: ' + token.error);
                } else {
                    callback();
                }
            } else {
                this.logger.debug('Skipped OAuth message', e.data);
            }
        };
        Events.on('popup-closed', popupClosed);
        window.addEventListener('message', windowMessage);
    }

this.input = $(document.createElement(this.model.multiline ? 'textarea' : 'input'));
        this.valueEl.html('').append(this.input);
        this.input
            .attr({ autocomplete: 'off', spellcheck: 'false' })
            .val(text)
            .focus()[0]
            .setSelectionRange(text.length, text.length);
        this.input.bind({
            input: this.fieldValueInput.bind(this),
            keydown: this.fieldValueKeydown.bind(this),
            keypress: this.fieldValueInput.bind(this),
            click: this.fieldValueInputClick.bind(this),
            mousedown: this.fieldValueInputMouseDown.bind(this)
        });
        const fieldValueBlurBound = e => this.fieldValueBlur(e);
        Events.on('click', fieldValueBlurBound);
        this.stopBlurListener = () => Events.off('click', fieldValueBlurBound);
        this.listenTo(Events, 'main-window-will-close', this.externalEndEdit);
        this.listenTo(Events, 'user-idle', this.externalEndEdit);
        if (this.model.multiline) {
            this.setInputHeight();
        }
        if (Features.isMobile) {
            this.createMobileControls();
        }
        if (this.model.canGen) {
            $('<div>')
                .addClass('details__field-value-btn details__field-value-btn-gen')
                .appendTo(this.valueEl)
                .click(this.showGeneratorClick.bind(this))
                .mousedown(this.showGenerator.bind(this));
        }</div>