Sylvaticus main

Project.toml

@@ -1,7 +1,7 @@
 name = "QuizQuestions"
 uuid = "612c44de-1021-4a21-84fb-7261cf5eb2d4"
 authors = ["jverzani <jverzani@gmail.com> and contributors"]
-version = "0.2.0"
+version = "0.3.0"
 
 [deps]
 Markdown = "d6f4376e-aef5-505a-96c1-9c027394607a"

src/QuizQuestions.jl

@@ -8,6 +8,6 @@ include("question_types.jl")
 include("html_templates.jl")
 include("show_methods.jl")
 
-export numericq, radioq, booleanq, yesnoq, stringq
+export numericq, radioq, multiq, booleanq, yesnoq, stringq
 
 end

src/html_templates.jl

@@ -1,11 +1,11 @@
 ## Could tidy up this HTML to make it look nicer
 html_templates = Dict()
 
-const grading_partial = """
+grading_partial = """
   if(correct) {
-    msgBox.innerHTML = "<div class='pluto-output admonition note alert alert-success'><span class='glyphicon glyphicon-thumbs-up'>👍&nbsp;Correct</span></div>";
+    msgBox.innerHTML = "<div class='pluto-output admonition note alert alert-success'><span class='glyphicon glyphicon-thumbs-up'>👍&nbsp; {{#:CORRECT}}{{{:CORRECT}}}{{/:CORRECT}}{{^:CORRECT}}Correct{{/:CORRECT}} </span></div>";
   } else {
-    msgBox.innerHTML = "<div class='pluto-output admonition alert alert-danger'><span class='glyphicon glyphicon-thumbs-down'>👎&nbsp; Incorrect</span></div>";
+    msgBox.innerHTML = "<div class='pluto-output admonition alert alert-danger'><span class='glyphicon glyphicon-thumbs-down'>👎&nbsp; {{#:INCORRECT}}{{{:INCORRECT}}}{{/:INCORRECT}}{{^:INCORRECT}}Incorrect{{/:INCORRECT}} </span></div>";
   }
 """
 
@@ -82,3 +82,37 @@ rb.addEventListener("change", function() {
     $(grading_partial)
 })});
 """
+
+html_templates["Multiq"] = mt"""
+{{#:ITEMS}}
+<div class="form-check">
+  <label>
+    <input class="form-check-input" type="checkbox" name="check_{{:ID}}"
+              id="check_{{:ID}}_{{:VALUE}}" value="{{:VALUE}}">
+      <span = class="label-body">
+        {{{:LABEL}}}
+      </span>
+    </input>
+  </label>
+</div>
+{{/:ITEMS}}
+"""
+
+html_templates["multi_grading_script"] = """
+document.querySelectorAll('input[name="check_{{:ID}}"]').forEach(function(rb) {
+rb.addEventListener("change", function() {
+    var choice_buttons = document.getElementsByName("check_{{:ID}}");
+    selected = [];
+    for (var i=0; i < choice_buttons.length; i++) {
+        if (choice_buttons[i].checked) {
+           selected.push(i+1)
+        }
+    }
+    var a = selected;
+    b = {{{:CORRECT_ANSWER}}};
+    // https://stackoverflow.com/questions/7837456/how-to-compare-arrays-in-javascript
+    correct =  (a.length === b.length && a.find((v,i) => v !== b[i]) === undefined)
+    var msgBox = document.getElementById('{{:ID}}_message');
+    $(grading_partial)
+})});
+"""

src/question_types.jl

@@ -107,6 +107,60 @@ function radioq(choices, answer::Integer;
 end
 
 
+
+
+##
+mutable struct Multiq <: Question
+    choices
+    answer
+    values
+    labels
+    label
+    hint
+    inline
+end
+
+"""
+    multiq(choices, answers; label="", hint="", keep_order=false)
+
+Multiple choice question (one *or more* of several)
+
+Arguments:
+
+* `choices`: indexable collection of choices. As seen in the example, choices can be formatted with markdown.
+
+* `answers::Vector{Int}`: index of correct choice(s)
+
+* `keep_order::Boolean`: if `true` keeps display order of choices, otherwise they are shuffled.
+
+* `inline::Bool`: hint to render inline (or not) if supported
+
+* `label`: optional label for the form element
+
+* `hint`: optional plain-text hint that can be seen on hover
+
+Example:
+
+```
+choices = ["pear", "tomato", "banana"]
+answers = [1,3]
+multiplecq(choices, answers; hint="not the red one!")
+```
+
+"""
+function multiq(choices, answers;
+                label="", hint="", inline::Bool=(hint!=""),
+                keep_order::Bool=false)
+    inds = collect(1:length(choices))
+    values = copy(inds)
+    labels = choices
+    !keep_order && shuffle!(inds)
+
+    Multiq(choices[inds], findall(in(answers), inds),
+           values, labels[inds], label, hint, inline)
+end
+
+
 """
     booleanq(ans; [label, hint])
 True of false questions:

src/show_methods.jl

@@ -108,3 +108,33 @@ function Base.show(io::IO, m::MIME"text/html", x::Radioq)
                     )
 
 end
+
+function Base.show(io::IO, m::MIME"text/html", x::Multiq)
+
+    ID = randstring()
+
+    choices = string.(x.choices)
+    items = [_make_item(i, choice) for (i,choice) ∈ enumerate(choices)]
+
+    GRADING_SCRIPT = Mustache.render(html_templates["multi_grading_script"];
+                                     ID = ID,
+                                     CORRECT_ANSWER = x.answer,
+                                     INCORRECT = "Not yet",
+                                     CORRECT = "Correct"
+                             )
+    FORM = Mustache.render(html_templates["Multiq"];
+                           ID = ID,
+                           ITEMS = items,
+                           INLINE = x.inline ? " inline" : ""
+                           )
+
+    Mustache.render(io, html_templates["question_tpl"],
+                    ID = ID,
+                    TYPE = "radio",
+                    FORM = FORM,
+                    GRADING_SCRIPT = GRADING_SCRIPT,
+                    LABEL=_markdown_to_html(x.label),
+                    HINT = x.hint # use HINT in question
+                    )
+
+end