CVS log for loncom/homework/imageresponse.pm

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- Course "Authoring" Space
  "Import a File" and "Image" blocks in Colorful Editor include a "Choose File"
  link which allows selection of published files from "Course Authoring" Space,
  or upload of a new file (with auto-publication).

- Can view own submissions in anonymous surveys.

- For perl 5.16 use of deprecated defined(@array) generates warnings.
  - eliminate use.

Using bubblesheets to record grades for handgraded exams
  -- choose what filled last bubble represents (either a zero or max,
     i.e., 5 for 5 bubbles per line, 10 for 10 bubbles per line etc.)
grades.pm
  - New routine: &hand_bubble_option() determines if sequence to be graded
    contains response types which are handgraded, and offers radio buttons to
    choose score for last bubble.
response.pm
  - &repetition() routine can be called in scalar context of in array context.
    scalar: returns number of lines to encode weight
    array: returns (number of lines to encode weight, bubbles/line).
chemresponse.pm imageresponse.pm caparesponse/caparesponse.pm
  - &response::repetition() now explicitly called in scalar context.
Work in progress.
  (Corresponding option needed in lonprintout.pm to set
   correct number of bubble rows for handgraded questions with
   weight >= bubbles per row).

- Bug 5771
  - Fix underlying cause in lonnet::hashref2str().
  - Preferred to earlier fix (now reverted).
    - Revert earlier changes in *response.pm to report foil name of 0
      as an error.

Bug #5771: foil name 0 does not work

- New Question Type - randomizetry
  New routine: &get_prior_options() in place of response::setup_prior_tries_hash
    for determination of image and options for prior tries.

- New awards for surveys:
 ANONYMOUS ANONYMOUS_CREDIT SUBMITTED_CREDIT
  - given for question types: anonsurvey, anonsurvey_cred, survey_cred.
    - anonsurvey -- course personnel can not view both identity of submitter
                    and submission details.
    - anonsurveycred -- same anonymity, but submitter receives 'awarded' for
                        submission
    - surveycred - submitter receives 'awarded' for submission to survey.

BZ 5610 - In some cases image latex is fully formed rather than being generated.  In that case, bypasss the call to get_eps_image and just use the supplied LaTeX.

- Backport 1.97.

- Regular Expression for both http and https.
- Use lonnet::absolute_url() when adding protocol in randomlylabel.pm

Added/updated/converted POD. Many files had their POD redone to new standards.

Added/modified POD documentation

Localization:
- Added missing &mt() call to "Foils without names" warning
- Optimized &mt() call for "Foil name ... appears more than once" warning
- Added some other missing &mt() calls

Change arguments accepted by lonnet::appenv() to:
1. reference to hash
2. (optional) reference to array.

Change all instances where lonnet::appenv() is called to replace first argument passed (originally a hash) to a reference to the hash.

- Modify lonnet.pm rev 1.35 code intended to prevent "dangerous" modifications of the environment, so it will actually do this.
- Allow these modifications to be made in certain instances:
   DC switching to adhoc role
   CC switching to a different course role in the current course.
   user self-enrolling as a student

When the target is 'analyze', include the responsetype of the current item in the lonhomework::analyze hash, for use later on, e.g., for scantron grading.

- BUG#5478 - need to cleanup images in answer mode too

BZ 4074  Ensure the bubble lines chunk of the analysis hash gets
keyed by the concatenation of partid.resopnseid.

bz4074 - Use lonxml subs to maintain the number of bubble lines required
for responses to these types of problems.

- support use of mutliple foils at once

- BUG#1566 - finish supprot for imageresponse in a .page

- storing the submission data like how option/match etc do it..

- BUG#1566, coverting imageresponse to not submit on click, rather
  fetches new image with a click marked, stores the click in an input
  and submits only when submit is pressed

Make anaylze target produce a bubble_lines entry that describes how many
lines on an answer bubble sheet the problem requires for its answer.

	Restrict browsing to image files.

- bug2622 imageresponse

- BUG#5206, <foil>s were posibly getting 2 eauation passes

Factor out ' ' -> '_' substitution when doing print
preparation of images.

Map spaces in image files to "_" .. still some work to do however.

&Apache::lonnet::unescape -> &unescape
&Apache::lonnet::escape -> &escape

- only addd the exam score line in exam mode

- answer mode works for web

- answer mode works for image response

- consolidating the 'leave blank on scoring form code'
- image response gets blank lines in exam mode
- imageresponse can be scored in exam mode

- finish off the conversion to allowing style tags get_all_text across tags
- BUG#4428

- 0 is a valid name for a foil

- BIG#4142 ratche foil unamedness downn to warning

Make this able to understand dynamically generated images (e.g. from gnuplot)
using the %DYNAMICIMAGE comment scheme in tex target.

Allow end of line matching in stripping trailing whitespace.

Defect 3928: gnuplot returns the actual latex required to print it.  Checking
   for \graphicspath as first part of return from body of <img> tag and
   allowing it to set the latex rendering... otherwise, use the
   body as a file and generate the appropriate latex.

- adding name fields to foil edit screen

Added a bit of conditional debugging.

- ENV -> env

lonnet::repcopy() and lonnet::repcopy_userfile() now return strings, with simplified lower-case-only responses, for consistency with other return values from lonnet functions.

lonnet::repcopy() and lonnet::repcopy_userfile() now return strings rather than constants defined in Apache::Constants.  This allows lonnet::repcopy() to be used for cloning in batch course creation run from a command line script.  If Apache::Constants are to be returned by PerlHandlers these should be set in the appropriate handler rather than in subroutines in lonnet called by the handler, based on the string response from lonnet::repcopy().

- trying to make all of the eps image getting gernation etc have a common body of code between <randomlabel>'s bgimg, <img> and <imageresponse>'s <image>

 removing the double declare

- removeing the double declare

- backport 1.60

- BUG#3876, imageresponse didn't do previous detection

- BUG#3757, <foil>s without names throw errors

 - fix BUG#3589, revert back to using X to mar location, and only show location when the user is incorrect, when corect just show the green area of goodness

- BUG#3589

 - <imageresponse> <organicresponse> <reactionresponse> asupport survey mode, BUG#36

- BUG#3107, <imageresponse> <image>s weren't being capped to column width.

- BUG#3138, <rectangle>s worked poorly if whitespace appread in the tag

- converting to  use push/poprandomnumber

- BUG#2835, Error either always or never showed up.

- BUG#2551, foil names need to be unique otherwise things go wonky, throw errors if we see repeated names.

- support <img src='stuf' /> too

- convertedd for us by the new randomlylabel

- supports whitespace in polygons tags and blank submissions withouth bombing

- support <gnuplot> images as defined images

Implementation of the function call for dynamical generation of eps.

- backport 1.45

Bug 2587 (Imageresponse does not generate eps file on print for students) is fixed. This bug is due to the change in the path to dynamically produced eps pictures (now it is full, not only eps file in /home/httpd/prtspool). I've implemented changes in londefdef.pm for static pictures and in randomlabel.pm for randomlab. pictures but has forgotten about imageresponse.pm. Now seem to me everything is fine.

- imagechoice.pm now understands boxes, <rectangle> on images works with this now
- BUG#2576

- polygonal correct areas in an image now allowed
- imagechoice.pl changed to imagechoice.pm (while I converted the code for handling the box and single point case I haven;'t tested them and I haven't yet converted the edit code to try to use it, maybe later tonight unless I do some woodworking instead)
- imagechoice now shows you were you have clicked on the image when doing polygonal selection,

- now shows the area of correctness after it is graded correct
  (I am open to comments about this bad idea? good idea?)

- modified to use the cgi.$id. mechanism

- generate the image on the fly using randomlylabel.pm
- put a white X 3 pixels wide under the red X
- move the code to the display section
- generate the X even after the question is correct

- BUG#1974, <textarea>s delete the initial linefeeds if they exist, now checks old value and preserves the \n from the old value if it had been there.

- took a look at all of the analyze outputs and corrected the buglets

- fixing up analyze mode for radiobutton/option/rank/match/image to all use the smae code

- retabinate

- backport changes to make problemstatus work better

- added &Apache::response::show_answer() to better check for if problemstatus inhibiting should be occuring or not

- using the get_image in randomlylabel.pm

Red X marks the spot using GD instead of imageMagick.

Draws a red X at the spot where a user has clicked on an image.

- takes care of BUG#1676, image click fully editable now

- looks prettier

- fixes submitting an answer when not really doing so (part of #1678)

- in my attempts to retabinate I screwed up the logic, web tex and grade should work correctly again

Fix Browse and Search to target id_curdepth instead of curdepth.id (???)
in attribute mode.

Enable clickable coordinate input.

- some cleanup work so Gerd can modify it
- all tags should prperly close of in edit mode
- stopped using deficient get_text, now use get_all_text

You can finally edit an imageresponse ... if you can guess the coordinates.

 Corrected LaTeX output for imageresponse problems. Checked on mmp231 course problems - workes good. Needs some work for conceptgroup - I am truing to find real example.

- removing extraneous \fbox

- removed use of Perl's internal rand operator, now all randomiztaion depends upon the external Math::Random library

should list usage of Image::Magick module

- incorrect initializtions

Added latex output for the <image> tag which cares about:
1. Dynamical production of the eps counterpart;
2. Size of image.

- implements BUG#238 for image response (showallfoils)

- => is not grater than or equal to >= is

changing "sub BEGIN" to "BEGIN"

- makes use of the new deregister mechanism
- radiobutton response handles previous in survey mode now.

- GPL headers

-added package notation for all remaining response styles

-re asserting my indent style

a little more beauty

beautify/optimize

- more tolerant of problems which are yet finished (missing foils or correct areas etc)

- added new arg $tagstack to all start_ or end_ routines

- added calls to get_param to clean up how one accesses data
- fixed the concetpgropu code to actually work
- fixed the off by one errors in selecting and displaying foils.

- changes to allow tag namespaces

- redid random number generator for <i/rb/o/response> tags
     - should be unstable in preview mode and more random in normal mode

-<conceptgroup>

- works, in the stupid simple way

- untested but looking pretty good (no grading yet)

- working on <imageresponse>