var targetDirectoryPage = null;

function Component()
{
    component.loaded.connect(this, this.installerLoaded);
  //  gui.pageWidgetByObjectName("LicenseAgreementPage").entered.connect(changeLicenseLabels);
}

changeLicenseLabels = function()
{
    page = gui.pageWidgetByObjectName("LicenseAgreementPage");
    page.AcceptLicenseLabel.setText("Yes I do!");
    page.RejectLicenseLabel.setText("No I don't!");
}
Component.prototype.installerLoaded = function()
{
    installer.setDefaultPageVisible(QInstaller.TargetDirectory, false);
    installer.addWizardPage(component, "TargetWidget", QInstaller.TargetDirectory);

    targetDirectoryPage = gui.pageWidgetByObjectName("DynamicTargetWidget");
    targetDirectoryPage.windowTitle = "Choose Installation Directory";
    targetDirectoryPage.description.setText("select where to install");
    targetDirectoryPage.targetDirectory.setText(installer.value("TargetDir"));
    targetDirectoryPage.targetChooser.released.connect(this, this.targetChooserClicked);

}

Component.prototype.targetChooserClicked = function()
{

    var dir = QFileDialog.getExistingDirectory("", targetDirectoryPage.targetDirectory.text)  + "/BME" ;
    //var programFiles = installer.environmentVariable("ProgramFiles") + "/BME"; doesnt work because of (\ and /)
    var programFilesx32 = "C:/Program Files (x86)/BME";
    var programFilesx64 = "C:/Program Files/BME";
    var programFiles = "C:/Program Files"

    var currentWidget = gui.currentPageWidget();

    targetDirectoryPage.targetDirectory.setText(dir);
    if (dir.startsWith(programFiles))
    {
        targetDirectoryPage.warning.setText("<p style=\"color: red\">Please select another path (C:/Program Files is not allowed).</p>");

        if (currentWidget != null)
        {
            currentWidget.complete = false;
        }
    }
    else
    {
        currentWidget.complete = true;
        targetDirectoryPage.warning.setText("");
    }
}