PackageDescription packageData = (PackageDescription) installPackages.get(i);
int progress = java.lang.Math.round((100*(i+1))/installPackages.size());
panel.setProgressValue(progress);
panel.setProgressText(packageData.getPackageName());
installer.installPackage(packageData);
installedPackages.add(packageData);
if ( installData.isAbortedInstallation() ) {
break;
}