#281 ✓resolved
delisa

strip trailing spaces writes to undo stack

Reported by delisa | August 16th, 2010 @ 04:54 PM

After saving with strip trailing spaces enabled, if I try to undo a previous action, all of the actions on the undo stack are the removing of the trailing spaces on each line of the file actions.
Also seems slower than before (though I appreciate that it no longer jerks to and fro).

Comments and changes to this ticket

  • Steven Hancock

    Steven Hancock August 16th, 2010 @ 05:23 PM

    I'll look into this. It's a little slower because it's going through the file line by line now (to prevent the jumping/jerking effect it had before), but I'm sure that change is what's causing it to write to the undo stack. Should be easy enough to solve.

    Also just sent Dan a pull request that makes the auto-completer ignore the changes strip trailing spaces makes since that causes problems saving JSON runnables (noticed you got bit by that one).

  • Steven Hancock

    Steven Hancock August 16th, 2010 @ 06:06 PM

    Just an update on this one. Because of the was the JFace TextViewerUndoManager and Redcar's sensitivities work, it doesn't look like it's going to be possible to make line by line changes the way Strip Trailing Spaces does without touching the undo stack.

    The best option I see is to make all the changes as a compound action, that way instead of filling the undo stack they only take up one undo action. I'll be editing that section of the plugin to look like this.

    doc.compound do
      doc.line_count.times do |l|
        doc.replace_line(l) { |line_text| line_text.rstrip }
      end
    end
    

    That should keep the plugin from filling the undo stack every time you save a file. :)

  • Daniel Lucraft

    Daniel Lucraft August 16th, 2010 @ 09:28 PM

    • State changed from “new” to “open”

    Thanks Steven, let me know when this is ready to merge.

  • delisa

    delisa August 16th, 2010 @ 10:56 PM

    Thanks so much! Took a while to figure out what was happening to my JSON files too...

  • Steven Hancock

    Steven Hancock August 17th, 2010 @ 12:08 AM

    Yeah, I didn't notice that until I tried to edit a JSON file, wasn't happening with anything else I was editing, but that was a simple enough fix.

    Dan, I have this bug and the JSON problem taken care of in my strip_trailing_spaces_bugfix branch, sent you a pull request for that branch earlier today. It should ready to merge whenever you want.

  • Daniel Lucraft
  • Daniel Lucraft

    Daniel Lucraft September 4th, 2010 @ 01:21 PM

    • State changed from “open” to “resolved”

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