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# Multiple Choice | |
```julia; echo=false | |
using Mustache, Markdown, Random | |
abstract type Question end | |
mutable struct Numericq <: Question | |
val | |
tol | |
reminder | |
answer_text | |
m | |
M | |
units | |
hint | |
end | |
mutable struct Radioq <: Question | |
choices | |
answer | |
reminder | |
answer_text | |
values | |
labels | |
hint | |
inline | |
end | |
function numericq(val, tol=1e-3, reminder="", args...; | |
hint="", units::AbstractString="") | |
answer_text= "[$(round(val-tol,digits=5)), $(round(val+tol,digits=5))]" | |
Numericq(val, tol, reminder, answer_text, val-tol, val+tol, units, hint) | |
end | |
numericq(val::Int; kwargs...) = numericq(val, 0; kwargs...) | |
# for choice questions | |
function radioq(choices, answer, reminder="", answer_text=nothing; | |
hint="", inline::Bool=(hint!=""), | |
keep_order::Bool=false) | |
inds = collect(1:length(choices)) | |
values = copy(inds) | |
labels = choices | |
!keep_order && shuffle!(inds) | |
Radioq(choices[inds], findfirst(isequal(answer), inds), reminder, | |
answer_text, values, labels[inds], hint, inline) | |
end | |
function booleanq(ans::Bool, reminder="", answer_text=nothing;labels::Vector=["true", "false"], hint::AbstractString="", inline::Bool=true) | |
choices = labels[1:2] | |
ans = 2 - ans | |
radioq(choices, ans, reminder, answer_text; hint=hint, | |
inline=inline, keep_order=true) | |
end | |
html_templates = Dict() | |
html_templates["Numericq"] = mt""" | |
<form class="mx-2 my-3" name='WeaveQuestion' data-id='{{ID}}' data-controltype='{{TYPE}}'> | |
<div class='form-group {{status}}'> | |
<div class='controls'> | |
{{{form}}} | |
{{#hint}} | |
<span class='help-inline'><i id='{{ID}}_hint' class='icon-gift'></i></span> | |
<script>$('#{{ID}}_hint').tooltip({title:'{{{hint}}}', html:true, placement:'right'});</script> | |
{{/hint}} | |
<div class="form-floating input-group"> | |
<input id="{{ID}}" type="number" class="form-control" placeholder="Numeric answer"> | |
<label for="{{ID}}">Numeric answer</label> | |
{{#units}}<span class="input-group-addon mx-2">{{{units}}}</span>{{/units}} | |
</div> | |
<div id='{{ID}}_message'></div> | |
</div> | |
</div> | |
</form> | |
<script text='text/javascript'> | |
document.getElementById("{{ID}}").addEventListener("change", function() { | |
var correct = {{{correct}}}; | |
var msgBox = document.getElementById('{{ID}}_message'); | |
if(correct) { | |
msgBox.innerHTML = "<div class='pluto-output admonition note alert alert-success'><span class='glyphicon glyphicon-thumbs-up'>👍 Correct</span></div>"; | |
} else { | |
msgBox.innerHTML = "<div class='pluto-output admonition alert alert-danger'><span class='glyphicon glyphicon-thumbs-down'>👎 Incorrect</span></div>"; | |
} | |
}); | |
</script> | |
""" | |
html_templates["Radioq"] = mt""" | |
{{#items}} | |
<div class="form-check"> | |
<input class="form-check-input" type="radio" name="radio_{{ID}}" id="radio_{{ID}}_{{value}}" value="{{value}}"> | |
{{{label}}} | |
</div> | |
{{/items}} | |
""" | |
html_templates["radio_script_tpl"] = """ | |
document.querySelectorAll('input[name="radio_{{ID}}"]').forEach(function(rb) { | |
rb.addEventListener("change", function() { | |
var correct = rb.value == {{correct_answer}}; | |
var msgBox = document.getElementById('{{ID}}_message'); | |
if (correct) { | |
msgBox.innerHTML = "<div class='pluto-output admonition note alert alert-success'><span class='glyphicon glyphicon-thumbs-up'>👍 Correct</span></div>"; | |
} else { | |
msgBox.innerHTML = "<div class='pluto-output admonition alert alert-danger'><span class='glyphicon glyphicon-thumbs-down'>👎 Incorrect</span></div>"; | |
} | |
})}); | |
""" | |
html_templates["question_tpl"] = mt""" | |
<form class="mx-2 my-3" name="WeaveQuestion" data-id="{{ID}}" data-controltype="{{TYPE}}"> | |
<div class="form-group {{status}}"> | |
{{{form}}} | |
{{#hint}} | |
<i class="bi bi-gift-fill"></i> | |
<!--<script>$("#{{ID}}_hint").tooltip({title:"{{{hint}}}", html:true, placement:"right"});</script>--> | |
{{/hint}} | |
<div id="{{ID}}_message"></div> | |
</div> | |
</form> | |
<script text="text/javascript"> | |
{{{script}}} | |
</script> | |
""" | |
function Base.show(io::IO, m::MIME"text/html", x::Numericq) | |
id = randstring() | |
Mustache.render(io, html_templates["Numericq"], | |
Dict("ID" => id, | |
"TYPE" => "numeric", | |
"selector" => "#" * id, | |
"status" => "", | |
"hint" => x.hint, | |
"units" => x.units, | |
"correct" => "Math.abs(this.value - $(x.val)) <= $(x.tol)" | |
)) | |
end | |
function _markdown_to_html(x) | |
length(x) == 0 && return("") | |
x = Markdown.parse(x) | |
x = sprint(io -> Markdown.html(io, x)) | |
return x | |
end | |
function _make_item(i, choice) | |
choice′ = sprint(io -> Markdown.html(io, Markdown.parse(choice))) | |
# strip <p> tag | |
choice′ = chomp(choice′) | |
choice′ = replace(choice′, r"^<p>" => "") | |
choice′ = replace(choice′, r"</p>$" => "") | |
item = Dict("no"=>i, | |
"label"=> choice′, | |
"value"=>i | |
) | |
end | |
function Base.show(io::IO, m::MIME"text/html", x::Radioq) | |
ID = randstring() | |
tpl = html_templates["Radioq"] | |
choices = string.(x.choices) | |
items = Dict[] | |
## make items | |
items = [_make_item(i, choice) for (i,choice) ∈ enumerate(choices)] | |
script = Mustache.render(html_templates["radio_script_tpl"], | |
Dict("ID"=>ID, | |
"correct_answer" => x.answer, | |
"selector" => "input:radio[name='radio_$ID']", | |
"correct" => "this.value == $(x.answer)")) | |
form = Mustache.render(tpl, Dict("ID"=>ID, "items"=>items, | |
"inline" => x.inline ? " inline" : "" | |
)) | |
Mustache.render(io, html_templates["question_tpl"], | |
Dict("form" => form, | |
"script" => script, | |
"TYPE" => "radio", | |
"ID" => ID, | |
"hint"=> _markdown_to_html(x.hint))) | |
end | |
``` | |
# Number | |
What is 2 + 2 | |
```julia; echo=false | |
answer = 2 + 2 | |
numericq(answer) | |
``` | |
What is ``\sqrt{2}``? | |
```julia; echo=false | |
answer = sqrt(2) | |
numericq(answer, 1e-2) # tolerance | |
``` | |
## select on | |
What is "one"? | |
```julia; echo=false | |
choices = ["``1``", "``2^2``", raw"``\sqrt{3}``"] | |
answer = 1 | |
radioq(choices, answer, keep_order=true) | |
``` |
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