From 8b3347dd635eef93e7af1a71c4183630277a7f5f Mon Sep 17 00:00:00 2001
From: Étienne Loks <etienne.loks@iggdrasil.net>
Date: Thu, 7 Jun 2018 16:52:02 +0200
Subject: Document form: add related fields (refs #4107)

---
 ishtar_common/forms.py | 47 +++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 43 insertions(+), 4 deletions(-)

(limited to 'ishtar_common/forms.py')

diff --git a/ishtar_common/forms.py b/ishtar_common/forms.py
index 59f3e141a..b0f1920df 100644
--- a/ishtar_common/forms.py
+++ b/ishtar_common/forms.py
@@ -33,6 +33,7 @@ from django.forms.formsets import BaseFormSet, DELETION_FIELD_NAME
 from django.utils import formats, translation
 from django.utils.functional import lazy
 from django.utils.safestring import mark_safe
+from django.utils.text import slugify
 from django.utils.translation import ugettext_lazy as _
 
 from bootstrap_datepicker.widgets import DatePicker, DATE_FORMAT, DateField
@@ -356,14 +357,46 @@ class FieldType(object):
 
 
 class FormHeader(object):
-    def __init__(self, label, level=4):
+    def __init__(self, label, level=4, collapse=False):
         self.label = label
+        self.collapse = collapse
+        if collapse:
+            level = 5
         self.level = level
 
     def render(self):
-        return mark_safe(u"<h{level}>{label}</h{level}>".format(
-            label=self.label, level=self.level
-        ))
+        if not self.collapse:
+            return mark_safe(u"<h{level}>{label}</h{level}>".format(
+                label=self.label, level=self.level
+            ))
+        html = u"""<div id="collapse-parent-{slug}">
+  <div class="card">
+    <div class="card-header" id="collapse-head-{slug}">
+      <h{level} href="#">
+        <button class="btn btn-link" type="button" data-toggle="collapse" 
+        data-target="#collapse-{slug}" aria-expanded="true" 
+        aria-controls="collapse-{slug}">
+          <i class="fa fa-compress" aria-hidden="true"></i>
+          {label}
+        </button>
+      </h{level}>
+    </div>
+
+    <div id="collapse-{slug}" class="collapse"
+        aria-labelledby="collapse-head-{slug}"
+        data-parent="#colapse-parent-{slug}">
+      <div class="card-body">
+""".format(label=self.label, slug=slugify(self.label), level=self.level)
+        return mark_safe(html)
+
+    def render_end(self):
+        if not self.collapse:
+            return ""
+        return mark_safe(u"""
+      </div>
+    </div>
+  </div>
+  </div>""")
 
 
 class IshtarForm(forms.Form):
@@ -404,6 +437,12 @@ class IshtarForm(forms.Form):
         self.fields[field.key].choices = field.get_choices()
         self.fields[field.key].help_text = field.get_help()
 
+    def headers(self, key):
+        if key not in self.HEADERS:
+            return
+        self.current_header = self.HEADERS[key]
+        return self.current_header
+
 
 class TableSelect(IshtarForm):
     def __init__(self, *args, **kwargs):
-- 
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