Bug 10654 Allow all jars in a folder to be added to build path
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/buildpaths/VariableSelectionBlock.java
}
		return false;
	}	
	private void updateFullTextField() {
		if (fFullPath != null && !fFullPath.isDisposed()) {
			IPath resolvedPath= getResolvedPath();
			if (resolvedPath != null) {
				fFullPath.setText(resolvedPath.toOSString());
			} else {
				fFullPath.setText(""); 
			}
		}
	}
	
	private Shell getShell() {
		if (fFullPath != null) {
			return fFullPath.getShell();
		}
		return JavaPlugin.getActiveWorkbenchShell();
	}	
	
	private IPath chooseExtJar() {
		String lastUsedPath= ""; 
		IPath entryPath= getResolvedPath();
		if (entryPath != null) {
			if (ArchiveFileFilter.isArchivePath(entryPath)) {
				lastUsedPath= entryPath.removeLastSegments(1).toOSString();
			} else {
				lastUsedPath= entryPath.toOSString();
			}