protected Control createCustomArea(Composite parent) {
Composite main = new Composite(parent, SWT.NONE);
main.setLayout(new GridLayout(1, false));
GridDataFactory.fillDefaults().indent(0, 0).grab(true, true)
.applyTo(main);
new NonDeletedFilesTree(main, repository, fileList);
applyDialogFont(main);
return main;
}