Fix: Editing nodes with XNodeAttributes might lead to data corruption

[redakcja.git] / redakcja / static / edumed / js / edumed.coffee

diff --git a/redakcja/static/edumed/js/edumed.coffee b/redakcja/static/edumed/js/edumed.coffee
index ec1bcd0..fb8ea87 100644 (file)
--- a/redakcja/static/edumed/js/edumed.coffee
+++ b/redakcja/static/edumed/js/edumed.coffee
@@ -10,21 +10,39 @@ class EduModule extends Binding
   constructor: (element) ->
     super 'edumodule', element
 
   constructor: (element) ->
     super 'edumodule', element
 

-    $("[name=teacher-toggle]").change (ev) =>
-      if $(ev.target).is(":checked")
-        $(".teacher", @element).addClass "show"
-      else
-        $(".teacher", @element).removeClass "show"
+    # $("[name=teacher-toggle]").change (ev) =>
+    #   if $(ev.target).is(":checked")
+    #     $(".teacher", @element).addClass "show"
+    #   else
+    #     $(".teacher", @element).removeClass "show"

 
 
 
 

-class Excercise extends Binding
+class Exercise extends Binding

   constructor: (element) ->
   constructor: (element) ->

-    super 'excercise', element
+    super 'exercise', element
+    # just save the html to reset the exercise
+    $(@element).data("exercise-html", $(@element).html())

 
 

-    $(".check", @element).click =>
+    $(".check", @element).click (ev) =>

       @check()
       @check()

+      $(".retry", @element).show()
+      $(".check", @element).hide()
+    $(".retry", @element).click (ev) =>
+      @retry()

     $('.solutions', @element).click =>
       @show_solutions()
     $('.solutions', @element).click =>
       @show_solutions()

+      $(".comment", @element).show()
+    $('.reset', @element).click =>
+      @reset()
+
+  retry: ->
+    $(".correct, .incorrect", @element).removeClass("correct incorrect")
+    $(".check", @element).show()
+    $(".retry", @element).hide()
+
+  reset: ->
+    $(@element).html($(@element).data('exercise-html'))
+    exercise @element

 
   piece_correct: (qpiece) ->
     $(qpiece).removeClass('incorrect').addClass('correct')
 
   piece_correct: (qpiece) ->
     $(qpiece).removeClass('incorrect').addClass('correct')


@@ -37,32 +55,165 @@ class Excercise extends Binding
     $(".question", @element).each (i, question) =>
       scores.push(@check_question question)
 
     $(".question", @element).each (i, question) =>
       scores.push(@check_question question)
 

-    score = [0, 0]
+    score = [0, 0, 0]

     $.each scores, (i, s) ->
       score[0] += s[0]
       score[1] += s[1]
     $.each scores, (i, s) ->
       score[0] += s[0]
       score[1] += s[1]

+      score[2] += s[2]

     @show_score(score)
 
     @show_score(score)
 

-  get_value_list: (elem, data_key) ->
-    $(elem).data(data_key).split(',').map($.trim).map((x) -> parseInt(x))
-
+  show_solutions: ->
+    @reset()
+    $(".question", @element).each (i, question) =>
+      @solve_question question
+
+  # Parses a list of values, separated by space or comma.
+  # The list is read from data attribute of elem using data_key
+  # Returns a list with elements
+  # eg.: things_i_need: "house bike tv playstation"
+  # yields ["house", "bike", "tv", "playstation"]
+  # If optional numbers argument is true, returns list of numbers
+  # instead of strings
+  get_value_list: (elem, data_key, numbers) ->
+    vl = $(elem).attr("data-" + data_key).split(/[ ,]+/).map($.trim) #.map((x) -> parseInt(x))
+    if numbers
+      vl = vl.map((x) -> parseInt(x))
+    return vl
+
+  # Parses a list of values, separated by space or comma.
+  # The list is read from data attribute of elem using data_key
+  # Returns a 2-element list with mandatory and optional
+  # items. optional items are marked with a question mark on the end
+  # eg.: things_i_need: "house bike tv? playstation?"
+  # yields [[ "house", "bike"], ["tv", "playstation"]]
+  get_value_optional_list: (elem, data_key) ->
+    vals = @get_value_list(elem, data_key)
+    mandat = []
+    opt = []
+    for v in vals
+      if v.slice(-1) == "?"
+        opt.push v.slice(0, -1)
+      else
+        mandat.push v
+    return [mandat, opt]

 
   show_score: (score) ->
 
   show_score: (score) ->

-    $(".message", @element).text("Wynik: #{score[0]} / #{score[1]}")
+    $msg = $(".message", @element)
+    $msg.text("Wynik: #{score[0]} / #{score[2]}")
+    if score[0] >= score[2] and score[1] == 0
+      $msg.addClass("maxscore")
+    else
+      $msg.removeClass("maxscore")
+
+
+  draggable_equal: ($draggable1, $draggable2) ->
+    return false
+
+  draggable_accept: ($draggable, $droppable) ->
+    dropped = $droppable.closest("ul, ol").find(".draggable")
+    for d in dropped
+      if @draggable_equal $draggable, $(d)
+        return false
+    return true

 
 

+  draggable_move: ($draggable, $placeholder, ismultiple) ->
+    $added = $draggable.clone()
+    $added.data("original", $draggable.get(0))
+    if not ismultiple
+      $draggable.addClass('disabled').draggable('disable')
+
+    $placeholder.after($added)
+    if not $placeholder.hasClass('multiple')
+      $placeholder.hide()
+    if $added.is(".add-li")
+      $added.wrap("<li/>")
+
+    $added.append('<span class="remove">x</span><div class="clr"></div>')
+    $('.remove', $added).click (ev) =>
+      @retry()
+      if not ismultiple
+        $($added.data('original')).removeClass('disabled').draggable('enable')
+
+      if $added.is(".add-li")
+        $added = $added.closest('li')
+      $added.prev(".placeholder:not(.multiple)").show()
+      $added.remove()
+
+
+## XXX co z issortable?
+  dragging: (ismultiple, issortable) ->
+    $(".question", @element).each (i, question) =>
+      draggable_opts =
+        revert: 'invalid'
+        helper: 'clone'
+        start: @retry
+
+      $(".draggable", question).draggable(draggable_opts)
+      self = this
+      $(".placeholder", question).droppable
+        accept: (draggable) ->
+          $draggable = $(draggable)
+          is_accepted = true

 
 

-class Wybor extends Excercise
+          if not $draggable.is(".draggable")
+            is_accepted = false
+
+          if is_accepted
+            is_accepted= self.draggable_accept $draggable, $(this)
+
+          if is_accepted
+            $(this).addClass 'accepting'
+          else
+            $(this).removeClass 'accepting'
+          return is_accepted
+
+        drop: (ev, ui) =>
+          $(ev.target).removeClass 'accepting dragover'
+
+          @draggable_move $(ui.draggable), $(ev.target), ismultiple
+
+          # $added = $(ui.draggable).clone()
+          # $added.data("original", ui.draggable)
+          # if not ismultiple
+          #   $(ui.draggable).addClass('disabled').draggable('disable')
+
+          # $(ev.target).after(added)
+          # if not $(ev.target).hasClass('multiple')
+          #   $(ev.target).hide()
+          # $added.append('<span class="remove">x</span>')
+          # $('.remove', added).click (ev) =>
+          #   $added.prev(".placeholder:not(.multiple)").show()
+          #   if not ismultiple
+          #     $added.data('original').removeClass('disabled').draggable('enable')
+          #   $(added).remove()
+
+        over: (ev, ui) ->
+          $(ev.target).addClass 'dragover'
+
+
+        out: (ev, ui) ->
+          $(ev.target).removeClass 'dragover'
+
+
+
+class Wybor extends Exercise

   constructor: (element) ->
     super element
   constructor: (element) ->
     super element

+    $(".question-piece input", element).change(@retry);

 
 
   check_question: (question) ->
     all = 0
     good = 0
 
 
   check_question: (question) ->
     all = 0
     good = 0

+    bad = 0

     solution = @get_value_list(question, 'solution')
     $(".question-piece", question).each (i, qpiece) =>
     solution = @get_value_list(question, 'solution')
     $(".question-piece", question).each (i, qpiece) =>

-      piece_no = parseInt $(qpiece).attr 'data-no'
-      should_be_checked = solution.indexOf(piece_no) >= 0
+      piece_no = $(qpiece).attr 'data-no'
+      piece_name = $(qpiece).attr 'data-name'
+      if piece_name
+        should_be_checked = solution.indexOf(piece_name) >= 0
+      else
+        should_be_checked = solution.indexOf(piece_no) >= 0

       is_checked = $("input", qpiece).is(":checked")
 
       if should_be_checked
       is_checked = $("input", qpiece).is(":checked")
 
       if should_be_checked


@@ -73,90 +224,128 @@ class Wybor extends Excercise
           good += 1
           @piece_correct qpiece
         else
           good += 1
           @piece_correct qpiece
         else

+          bad += 1

           @piece_incorrect qpiece
       else
         $(qpiece).removeClass("correct,incorrect")
 
           @piece_incorrect qpiece
       else
         $(qpiece).removeClass("correct,incorrect")
 

-    return [good, all]
+    return [good, bad, all]

 
 

-  show_solutions: ->
+  solve_question: (question) ->
+    solution = @get_value_list(question, 'solution')
+    $(".question-piece", question).each (i, qpiece) =>
+      piece_no = $(qpiece).attr 'data-no'
+      piece_name = $(qpiece).attr 'data-name'
+      if piece_name
+        should_be_checked = solution.indexOf(piece_name) >= 0
+      else
+        should_be_checked = solution.indexOf(piece_no) >= 0
+      console.log("check " + $("input[type=checkbox]", qpiece).attr("id") + " -> " + should_be_checked)
+      $("input[type=checkbox],input[type=radio]", qpiece).prop 'checked', should_be_checked

 
 
 
 

-class Uporzadkuj extends Excercise
+
+class Uporzadkuj extends Exercise

   constructor: (element) ->
     super element
   constructor: (element) ->
     super element

-    $('ol, ul', @element).sortable({ items: "> li" })
+    $('ol, ul', @element).sortable({ items: "> li", start: @retry })

 
   check_question: (question) ->
 
   check_question: (question) ->

-    positions = @get_value_list(question, 'original')
+    positions = @get_value_list(question, 'original', true)

     sorted = positions.sort()
     pkts = $('.question-piece', question)
 
     correct = 0
     sorted = positions.sort()
     pkts = $('.question-piece', question)
 
     correct = 0

+    bad = 0

     all = 0
 
     for pkt in [0...pkts.length]
     all = 0
 
     for pkt in [0...pkts.length]

-      all +=1
+      all += 1

       if pkts.eq(pkt).data('pos') == sorted[pkt]
         correct += 1
         @piece_correct pkts.eq(pkt)
       else
       if pkts.eq(pkt).data('pos') == sorted[pkt]
         correct += 1
         @piece_correct pkts.eq(pkt)
       else

+        bad += 1

         @piece_incorrect pkts.eq(pkt)
         @piece_incorrect pkts.eq(pkt)

-    return [correct, all]
+    return [correct, bad, all]

 
 

+  solve_question: (question) ->
+    positions = @get_value_list(question, 'original', true)
+    sorted = positions.sort()
+    pkts = $('.question-piece', question)
+    pkts.sort (a, b) ->
+      q = $(a).data('pos')
+      w = $(b).data('pos')
+      return 1 if q < w
+      return -1 if q > w
+      return 0
+
+    parent = pkts.eq(0).parent()
+    for p in pkts
+      parent.prepend(p)

 
 

-class Luki extends Excercise
+
+# XXX propozycje="1/0"
+class Luki extends Exercise

   constructor: (element) ->
     super element
   constructor: (element) ->
     super element

+    @dragging false, false

 
   check: ->
 
   check: ->

-    all = 0
+    all = $(".placeholder", @element).length

     correct = 0
     correct = 0

-    $(".question-piece", @element).each (i, qpiece) =>
-      if $(qpiece).data('solution') == $(qpiece).val()
+    bad = 0
+    $(".placeholder + .question-piece", @element).each (i, qpiece) =>
+      $placeholder = $(qpiece).prev(".placeholder")
+      if $placeholder.data('solution') == $(qpiece).data('no')

         @piece_correct qpiece
         correct += 1
       else
         @piece_correct qpiece
         correct += 1
       else

+        bad += 1

         @piece_incorrect qpiece
         @piece_incorrect qpiece

-      all += 1

 
 

-    @show_score [correct, all]
+    @show_score [correct, bad, all]

 
 

+  solve_question: (question) ->
+    $(".placeholder", question).each (i, placeholder) =>
+      $qp = $(".question-piece[data-no=" + $(placeholder).data('solution') + "]", question)
+      @draggable_move $qp, $(placeholder), false

 
 

-class Zastap extends Excercise
+
+class Zastap extends Exercise

   constructor: (element) ->
     super element
     $(".paragraph", @element).each (i, par) =>
   constructor: (element) ->
     super element
     $(".paragraph", @element).each (i, par) =>

-      @wrap_words $(par), $('<span class="zastap question-piece"/>')
-      spans = $("> span", par).attr("contenteditable", "true")
-      spans.click (ev) =>
-        spans.filter(':not(:empty)').removeClass('editing')
-        $(ev.target).addClass('editing')
-
+      @wrap_words $(par), $('<span class="placeholder zastap"/>')
+    @dragging false, false

 
   check: ->
     all = 0
     correct = 0
 
   check: ->
     all = 0
     correct = 0

-    $(".question-piece", @element).each (i, qpiece) =>
-      txt = $(qpiece).data('original')
-      should_be_changed = false
-      if not txt?
-        txt = $(qpiece).data('solution')
-        should_be_changed = true
-      if not txt?
-        return
-
-      if should_be_changed
-        all += 1
+    bad = 0

 
 

-      if txt != $(qpiece).text()
-        @piece_incorrect qpiece
-      else
-        if should_be_changed
-          @piece_correct qpiece
-          correct += 1
+    $(".paragraph", @element).each (i, par) =>
+      $(".placeholder", par).each (j, qpiece) =>
+        $qp = $(qpiece)
+        $dragged = $qp.next(".draggable")
+        if $qp.data("solution")
+          if $dragged and $qp.data("solution") == $dragged.data("no")
+            @piece_correct $dragged
+            correct += 1
+#          else -- we dont mark enything here, so not to hint user about solution. He sees he hasn't used all the draggables
+
+          all += 1
+
+    @show_score [correct, bad, all]
+
+  show_solutions: ->
+    @reset()
+    $(".paragraph", @element).each (i, par) =>
+      $(".placeholder[data-solution]", par).each (j, qpiece) =>
+        $qp = $(qpiece)
+        $dr = $(".draggable[data-no=" + $qp.data('solution') + "]", @element)
+        @draggable_move $dr, $qp, false

 
 

-    @show_score [correct, all]

 
   wrap_words: (element, wrapper) ->
     # This function wraps each word of element in wrapper, but does not descend into child-tags of element.
 
   wrap_words: (element, wrapper) ->
     # This function wraps each word of element in wrapper, but does not descend into child-tags of element.


@@ -190,65 +379,127 @@ class Zastap extends Excercise
         $(chld).remove()
 
 
         $(chld).remove()
 
 

-class Przyporzadkuj extends Excercise
+class Przyporzadkuj extends Exercise
+  is_multiple: ->
+    for qp in $(".question-piece", @element)
+      if $(qp).attr('data-solution').split(/[ ,]+/).length > 1
+        return true
+    return false
+

   constructor: (element) ->
     super element
 
   constructor: (element) ->
     super element
 

-    if @element.attr('multiple')?
-      @multiple = true
-    else
-      @multiple = false
+    @multiple = @is_multiple()

 
 

-    $(".question", @element).each (i, question) =>
-      draggable_opts =
-        revert: 'invalid'
-        helper: if @multiple then "clone" else null
+    @dragging @multiple, true

 
 

-      $(".draggable", question).draggable(draggable_opts)
-        .droppable({
-          accept: ".draggable"
-          })
+  draggable_equal: (d1, d2) ->
+    return d1.data("no") == d2.data("no")
+
+
+  check_question: (question) ->
+    # subjects placed in predicates
+    minimum = $(question).data("minimum")
+    count = 0
+    bad_count = 0
+    all = 0
+    if not minimum
+      self = this
+      $(".subject .question-piece", question).each (i, el) ->
+        v = self.get_value_optional_list el, 'solution'
+        mandatory = v[0]
+        all += mandatory.length
+
+    for pred in $(".predicate [data-predicate]", question)
+      pn = $(pred).attr('data-predicate')
+      #if minimum?
+      #  all += minimum
+
+      for qp in $(".question-piece", pred)
+        v = @get_value_optional_list qp, 'solution'
+        mandatory = v[0]
+        optional = v[1]
+
+        if mandatory.indexOf(pn) >= 0 or (minimum and optional.indexOf(pn) >= 0)
+          count += 1
+          @piece_correct qp
+        else
+          bad_count += 1
+          @piece_incorrect qp
+
+    return [count, bad_count, all]
+
+  solve_question: (question) ->
+    minimum = $(question).data("min")

 
 

-      $(".predicate .droppable", question).droppable
-        accept: ".draggable"
-        drop: (ev, ui) ->
-          is_multiple = ui.draggable.is(".multiple")
+    for qp in $(".subject .question-piece", question)
+      v = @get_value_optional_list qp, 'solution'
+      mandatory = v[0]
+      optional = v[1]

 
 

-          added = ui.draggable.clone()
+      if minimum
+        draggables = mandatory.count(optional)[0...minimum]
+      else
+        draggables = mandatory
+      for m in draggables
+        $pr = $(".predicate [data-predicate=" + m + "]", question)
+        $ph = $pr.find ".placeholder:visible"
+        @draggable_move $(qp), $ph.eq(0), @multiple

 
 

-          added.attr('style', '')
-          $(this).append(added)
-          added.draggable(draggable_opts)

 
 

-          if not is_multiple
-            ui.draggable.remove()

 
 

-      $(".subject", question).droppable
-        accept: ".draggable"
-        drop: (ev, ui) ->
-          is_multiple = ui.draggable.is(".multiple")
+class PrawdaFalsz extends Exercise
+  constructor: (element) ->
+    super element

 
 

-          added = ui.draggable.clone()
+    for qp in $(".question-piece", @element)
+      $(".true", qp).click (ev) =>
+        ev.preventDefault()
+        @retry()
+        $(ev.target).closest(".question-piece").data("value", "true")
+        $(ev.target).addClass('chosen').siblings('a').removeClass('chosen')
+      $(".false", qp).click (ev) =>
+        ev.preventDefault()
+        @retry()
+        $(ev.target).closest(".question-piece").data("value", "false")
+        $(ev.target).addClass('chosen').siblings('a').removeClass('chosen')

 
 

-          added.attr('style', '')
-          if not is_multiple
-            $(this).append(added)
-            added.draggable(draggable_opts)

 
 

-          ui.draggable.remove()
+  check_question: ->
+    all = 0
+    good = 0
+    bad = 0
+    for qp in $(".question-piece", @element)
+      if $(qp).data("solution").toString() == $(qp).data("value")
+        good += 1
+        @piece_correct qp
+      else
+        bad += 1
+        @piece_incorrect qp
+
+      all += 1

 
 

+    return [good, bad, all]

 
 

+  show_solutions: ->
+    @reset()
+    for qp in $(".question-piece", @element)
+      if $(qp).data('solution') == true
+        $(".true", qp).click()
+      else
+        $(".false", qp).click()

 
 
 ##########
 
 
 
 ##########
 

-excercise = (ele) ->
+exercise = (ele) ->

   es =
     wybor: Wybor
     uporzadkuj: Uporzadkuj
     luki: Luki
     zastap: Zastap
     przyporzadkuj: Przyporzadkuj
   es =
     wybor: Wybor
     uporzadkuj: Uporzadkuj
     luki: Luki
     zastap: Zastap
     przyporzadkuj: Przyporzadkuj

+    prawdafalsz: PrawdaFalsz

 
 
   cls = es[$(ele).attr('data-type')]
 
 
   cls = es[$(ele).attr('data-type')]


@@ -264,5 +515,5 @@ window.edumed =
 $(document).ready () ->
   new EduModule($("#book-text"))
 
 $(document).ready () ->
   new EduModule($("#book-text"))
 

-  $(".excercise").each (i, el) ->
-    excercise(this)
\ No newline at end of file
+  $(".exercise").each (i, el) ->
+    exercise(this)