#39 Artemis: adding bases to fasta files fails

[Kim Rutherford]

Read in a fasta database, and add a base:

The correct thing to do is to warn the user.

Exception occurred during event dispatching:
java.lang.Error: internal error - unexpected exception:
uk.ac.sanger.pathogens.ReadOnlyException
at diana.Feature.sequenceChanged(Feature.java:159)
at
diana.sequence.Bases.fireSequenceChangeEvent(Bases.java:843)
at diana.sequence.Bases.addBases(Bases.java:772)
at diana.sequence.Strand.addBases(Strand.java:563)
at
diana.components.EditMenu$29.actionPerformed(EditMenu.java:1785)
at
diana.components.TextRequester.sendEvent(TextRequester.java:146)
at
diana.components.TextRequester.performOK(TextRequester.java:122)
at
diana.components.TextRequester$1.actionPerformed(TextRequester.java:6
7)
at java.awt.Button.processActionEvent(Button.java:256)
at java.awt.Button.processEvent(Button.java:230)
<< remote execution on pcs3g >>
at
java.awt.Component.dispatchEventImpl(Component.java:1812)
at
java.awt.Component.dispatchEvent(Component.java:1744)
at
java.awt.EventDispatchThread.run(EventDispatchThread.java:82)