function Controller()
{
    installer.setUpdater()
    installer.currentPageChanged.connect( function() {
            var pageName = gui.currentPageWidget().objectName;
            var pagePrettyTitle = gui.currentPageWidget().title;
            console.log("At page: " + pageName + " ('" + pagePrettyTitle + "')");
            if (pageName == "CredentialsPage") {
                // Wait for recognition that the account data is there
                var connection = gui.currentPageWidget().completeChanged.connect(function() {
                    var pageName = gui.currentPageWidget().objectName;
                    if (pageName == "CredentialsPage") {
                        if (gui.isButtonEnabled(buttons.NextButton))
                            gui.clickButton(buttons.NextButton);
                        //gui.currentPageWidget().completeChanged.disconnect(connection);
                    }
                });
            } // if (pageName == "CredentialsPage") {
            else if (pageName != "ComponentSelectionPage" && pageName != "FinishedPage" && pageName != "PerformInstallationPage") {
                if (gui.isButtonEnabled(buttons.NextButton))
                    gui.clickButton(buttons.NextButton);
            }
    })
    installer.finishButtonClicked.connect(this, function() {
        // installer.componentByName("qt.tools.qtcreator_gui").qtCreatorBinaryPath
        // ^^ does not work - so implement it here again
        // adding the checkbox would work
        value = installer.value("TargetDir");
        if (installer.value("os") == "win") {
            qtCreatorBinaryPath = value + "\\Tools\\QtCreator\\bin\\qtcreator.exe";
            qtCreatorBinaryPath = qtCreatorBinaryPath.replace(/\//g, "\\");
        } else if (installer.value("os") == "mac") {
            qtCreatorBinaryPath = value + "/Qt Creator.app";
            // fix duplicate forward slashes in path
            qtCreatorBinaryPath = qtCreatorBinaryPath.replace(/\/+/g, "/");
        } else {
            qtCreatorBinaryPath = value + "/Tools/QtCreator/bin/qtcreator";
            // fix duplicate forward slashes in path
            qtCreatorBinaryPath = qtCreatorBinaryPath.replace(/\/+/g, "/");
        }
        if (installer.fileExists(qtCreatorBinaryPath)) {
            if (installer.value("os") == "mac") {
                // Start via open so that we run with the native architecture
                installer.executeDetached("/usr/bin/open", new Array(qtCreatorBinaryPath), "@homeDir@");
            } else {
                installer.executeDetached(qtCreatorBinaryPath, new Array(), "@homeDir@");
            }
        }
    });
}

//Controller.prototype.ComponentSelectionPageCallback = function()
//{
//    // this would deselect optional installed telemetry plugin for example
//    // the installer does not differentiate between update or installation
//    // an unselected component gets uninstalled
//    gui.currentPageWidget().deselectAll() 
//    installer.selectComponent("qt.tools.qtcreator_gui")
//    if (gui.isButtonEnabled(buttons.NextButton))
//        gui.clickButton(buttons.NextButton);
//}