Automatic detection of file edits

[Anastasia Baryshnikova]

USE CASE: WHAT DO YOU WANT TO DO?

Warn the user about changes so that he/she can save the file before exiting the program.

STEPS TO REPRODUCE AN ISSUE (OR TRIGGER A NEW FEATURE)

Load file -> edit color scheme. Or Load file -> Cluster.

CURRENT BEHAVIOR

No warnings or suggestions are provided.

EXPECTED BEHAVIOR

The title bar should say "Edited" after a saved file has been modified. When trying to quit Treeview, a warning should ask whether or not you want to save the changes.

DEVELOPERS ONLY SECTION

SUGGESTED CHANGE (Pseudocode optional)

e.g. Add a color selection class

FILES AFFECTED (where the changes will be implemented) - developers only

e.g. selectColor.java & settingsPanel.java

LEVEL OF EFFORT - developers only

trivial/minor/medium/major/overhaul (choose one)

COMMENTS

[Christopher Keil]

This has been resolved with #510 - however, changing color schemes is currently always saved when the color dialog is closed.