@Override
	protected void okCallback() {
		wasCancelled = false;

		if (!parseRanges()) {
			return;
		}

		close();
	}
<code>show</code> displays the dialog, gets the user input

@return false if the user cancelled the operation
Ghidra/Framework/Docking/src/main/java/docking/widgets/dialogs/NumberRangeInputDialog.java