RFR: 6777156: GTK L&F: JFileChooser shouldn't display /../../../.. in combobox and selection textarea. [v2]

[Abhishek Kumar]

On Fri, 23 Sep 2022 11:11:12 GMT, Tejesh R <tr at openjdk.org> wrote:

>> Abhishek Kumar has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Comment added and test case condotion update
>
> src/java.desktop/share/classes/com/sun/java/swing/plaf/gtk/GTKFileChooserUI.java line 436:
> 
>> 434:                 int index = list.locationToIndex(e.getPoint());
>> 435:                 File currentDirectory = getFileChooser().getCurrentDirectory();
>> 436:                 if (currentDirectory.getParentFile() == null && index == 1) {
> 
> Adding a Comment explaining the statement `index == 1` would be better to understand that it signifies root directory index.

Added a comment. 
Basically, `getParentFile` method is used to check root directory and `index == 1` is the index of `../` directory.

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PR: https://git.openjdk.org/jdk/pull/10390