Add ability to attach likert scale and use as a template

formly/forms/design.py

@@ -1,6 +1,6 @@
 from django import forms
 
-from formly.models import Survey, Page, Field, FieldChoice
+from formly.models import Survey, Page, Field, FieldChoice, LikertScale
 
 
 class SurveyCreateForm(forms.ModelForm):
@@ -32,6 +32,24 @@ class Meta:
         ]
 
 
+class LikertScaleForm(forms.ModelForm):
+
+    scale = forms.CharField()
+
+    def clean_scale(self):
+        scale = self.cleaned_data["scale"]
+        if scale:
+            return [s.strip() for s in scale.split(",")]
+        scale
+
+    class Meta:
+        model = LikertScale
+        fields = [
+            "name",
+            "scale"
+        ]
+
+
 class FieldForm(forms.ModelForm):
 
     class Meta:

formly/templates/formly/design/_field_edit.html

@@ -30,4 +30,14 @@ <h3>Choices</h3>
         </div>
     {% endif %}
 
+    {% if selected_field.field_type == selected_field.LIKERT_FIELD %}
+        <h3>Likert Scales</h3>
+        <p class="lead">Select a Likert Scale</p>
+
+        {% include "formly/design/_likert_scales.html" %}
+
+        <h4>Add a new Likert scale</h4>
+        {% include "formly/design/_likert_scale_form.html" %}
+
+    {% endif %}
 {% endif %}

formly/templates/formly/design/_likert_scale.html

@@ -0,0 +1,11 @@
+<div class="list-group-item">
+    <a class="btn {% if scale == selected_field.scale %}btn-primary{% else %}btn-default{% endif %} btn-xs pull-right ajax" data-method="post" data-replace-closest=".likert-scales" href="{% url "formly_dt_ajax_likert_scale_set" selected_field.pk scale.pk %}">
+        <i class="fa fa-fw fa-check"></i>
+    </a>
+    <div>
+        <div>{{ scale.name }}</div>
+        <small class="text-muted">
+            {{ scale.choices.all|join:", " }}
+        </small>
+    </div>
+</div>

formly/templates/formly/design/_likert_scale_form.html

@@ -0,0 +1,6 @@
+{% load bootstrap %}
+<form method="post" action="{% url "formly_dt_ajax_likert_scale_create" selected_field.pk %}" class="ajax likert-scale-form" data-replace=".likert-scale-form">
+    {% csrf_token %}
+    {{ likert_scale_form|bootstrap }}
+    <button class="btn btn-sm btn-primary">Save</button>
+</form>

formly/templates/formly/design/_likert_scales.html

@@ -0,0 +1,5 @@
+<div class="list-group likert-scales">
+    {% for scale in likert_scales %}
+        {% include "formly/design/_likert_scale.html" %}
+    {% endfor %}
+</div>

formly/urls.py

@@ -27,6 +27,8 @@
     url(r"^design/surveys/(?P<pk>\d+)/delete/$", design.SurveyDeleteView.as_view(), name="formly_dt_survey_delete"),
 
     url(r"^ajax/design/choices/(?P<pk>\d+)/delete/$", design.choice_delete, name="formly_dt_ajax_choice_delete"),
+    url(r"^ajax/design/fields/(?P<field_pk>\d+)/likert-scales/(?P<scale_pk>\d+)/set/$", design.likert_scale_set, name="formly_dt_ajax_likert_scale_set"),
+    url(r"^ajax/design/fields/(?P<field_pk>\d+)/likert-scales/create/$", design.likert_scale_create, name="formly_dt_ajax_likert_scale_create"),
 
     url(r"^run/survey/(?P<pk>\d+)/$", run.take_survey, name="formly_rt_take_survey"),
     url(r"^run/ajax/choice-question/(?P<pk>\d+)/$", run.choice_question, name="formly_rt_choice_question"),

formly/views/design.py

@@ -12,8 +12,8 @@
     from django.contrib.auth.decorators import login_required
 
 from formly.utils.views import BaseDeleteView
-from formly.forms.design import SurveyCreateForm, PageUpdateForm, FieldForm, FieldChoiceForm
-from formly.models import Survey, Page, Field, FieldChoice
+from formly.forms.design import SurveyCreateForm, PageUpdateForm, FieldForm, FieldChoiceForm, LikertScaleForm
+from formly.models import Survey, Page, Field, FieldChoice, LikertScale
 
 
 @login_required
@@ -264,6 +264,41 @@ def field_add_choice(request, pk):
     })
 
 
+@require_POST
+@login_required
+def likert_scale_set(request, field_pk, scale_pk):
+    field = get_object_or_404(Field, pk=field_pk, field_type=Field.LIKERT_FIELD)
+    scale = get_object_or_404(LikertScale, pk=scale_pk)
+    field.scale = scale
+    field.save()
+    return JsonResponse({
+        "html": render_to_string("formly/design/_likert_scales.html", {"selected_field": field, "likert_scales": LikertScale.objects.all()}, request)
+    })
+
+
+@require_POST
+@login_required
+def likert_scale_create(request, field_pk):
+    field = get_object_or_404(Field, pk=field_pk, field_type=Field.LIKERT_FIELD)
+    likert_scale_form = LikertScaleForm(request.POST)
+    if likert_scale_form.is_valid():
+        scale = likert_scale_form.save()
+        choices = likert_scale_form.cleaned_data["scale"]
+        for index, scale_choice in enumerate(scale.choices.all().order_by("score")):
+            if index < len(choices):
+                scale_choice.label = choices[index]
+                scale_choice.save()
+        field.scale = scale
+        field.save()
+        likert_scale_form = LikertScaleForm()
+    return JsonResponse({
+        "html": render_to_string("formly/design/_likert_scale_form.html", {"selected_field": field, "likert_scale_form": likert_scale_form}, request),
+        "fragments": {
+            ".likert-scales": render_to_string("formly/design/_likert_scales.html", {"selected_field": field, "likert_scales": LikertScale.objects.all()}, request)
+        }
+    })
+
+
 @login_required
 def field_update(request, pk):
     field = get_object_or_404(Field, pk=pk)
@@ -281,6 +316,7 @@ def field_update(request, pk):
     else:
         form = FieldForm(instance=field)
         field_choice_form = FieldChoiceForm(prefix="choices")
+        likert_scale_form = LikertScaleForm()
 
     return render(request, "formly/design/survey_list.html", {
         "surveys": Survey.objects.all().order_by("-created"),
@@ -291,7 +327,9 @@ def field_update(request, pk):
         "fields": field.page.fields.all().order_by("ordinal"),
         "selected_field": field,
         "field_form": form,
-        "field_choice_form": field_choice_form
+        "field_choice_form": field_choice_form,
+        "likert_scales": LikertScale.objects.all(),
+        "likert_scale_form": likert_scale_form
     })