From fb1237f11124a37dd540df605df26aca7ada2388 Mon Sep 17 00:00:00 2001
From: reverend <reverend@reverend2048.de>
Date: Fri, 2 Apr 2021 22:00:13 +0200
Subject: [PATCH] set variable and partial template tag

---
 .../templates/place/place_detail.html         | 15 ++--
 .../lostplaces/templatetags/lostplaces.py     | 87 +++++++++++++++++++
 2 files changed, 97 insertions(+), 5 deletions(-)

diff --git a/django_lostplaces/lostplaces/templates/place/place_detail.html b/django_lostplaces/lostplaces/templates/place/place_detail.html
index aba45ac..20788c6 100644
--- a/django_lostplaces/lostplaces/templates/place/place_detail.html
+++ b/django_lostplaces/lostplaces/templates/place/place_detail.html
@@ -4,6 +4,7 @@
 
 {% load thumbnail %}
 {% load svg_icon %}
+{% load lostplaces %}
 
 {% block additional_head %}
 <link rel="stylesheet" href="{% static 'maps/ol.css' %}" type="text/css">
@@ -26,7 +27,9 @@
         <h1 class="LP-Headline">{{ place.name }}</h1>
         {% if place.placeimages.first.filename.hero.url %}
         <div class="LP-PlaceDetail__Image">
-			{% include 'partials/image.html' with source_url=place.placeimages.first.filename.hero.url %}
+			{% partial image %}
+				{% set source_url place.placeimages.first.filename.hero.url %}
+			{% endpartial %}
         </div>
         {% endif %}
     </header>
@@ -38,13 +41,15 @@
     <section class="LP-Section">
 
         {% url 'place_tag_submit' place_id=place.id as tag_submit_url%}
-        {% include 'partials/tagging.html' with config=tagging_config %}
+		{% partial tagging %}
+			{% set config=tagging_config %}
+		{% endpartial %}
 
     </section>
 
     <section class="LP-Section">
         <h1 class="LP-Headline">{% trans 'Map links' %}</h1>
-        {% include 'partials/osm_map.html' with config=mapping_config%}
+        {% partial osm_map config=mapping_config %}
         <div class="LP-LinkList">
             <ul class="LP-LinkList__Container">
                 <li class="LP-LinkList__Item"><a target="_blank" href="https://www.google.com/maps?q={{place.latitude|safe}},{{place.longitude|safe}}" class="LP-Link"><span class="LP-Text">Google Maps</span></a></li>
@@ -90,8 +95,8 @@
     </section>
 
     <section class="LP-Section">
-		{% translate 'Images' as t_images %}
-		{% include 'partials/placeImageGrid.html' with headline=t_images image_list=place.placeimages.all%}
+		{% translate 'Images' as headline %}
+		{% partial "placeImageGrid" image_list=place.placeimages.all %}
     </section>
 
 </article>
diff --git a/django_lostplaces/lostplaces/templatetags/lostplaces.py b/django_lostplaces/lostplaces/templatetags/lostplaces.py
index c2a09d9..1fe3649 100644
--- a/django_lostplaces/lostplaces/templatetags/lostplaces.py
+++ b/django_lostplaces/lostplaces/templatetags/lostplaces.py
@@ -6,6 +6,15 @@ from django.http import request
 
 register = template.Library()
 
+def remove_formatting(string):
+    for to_strip in ["'", '"', ' ']:
+        string = string.strip(to_strip)
+        
+    for to_remove in ['\t', '\n',]:
+        string = string.replace(to_remove, '')
+        
+    return string
+
 @register.filter(name='proper_paginate')
 def proper_paginate(paginator, current_page, neighbors=2):
     if paginator.num_pages > 2*neighbors:
@@ -24,3 +33,81 @@ def proper_paginate(paginator, current_page, neighbors=2):
         page_list = [f for f in range(start_index, end_index+1)]
         return page_list[:(2*neighbors + 1)]
     return paginator.page_range
+
+
+class VariableNode(template.Node):
+    def __init__(self, name, content=None):
+        if content==None and '=' in name:
+            self.content = name.split('=')[1]
+            self.name = name.split('=')[0]
+        else:
+            self.content = content
+            self.name = name
+        
+    def render(self, context):
+        if type(self.content) is template.NodeList:
+            self.content = self.content.render(context)
+        
+        self.content = remove_formatting(self.content)
+        
+        self.content = template.Variable(self.content).resolve(context)
+        
+        context[self.name] = self.content
+        return ''
+
+class PartialNode(template.Node):
+    def __init__(self, name, block):
+        self.name = remove_formatting(name)
+        self.block = block
+        
+    def render(self, context):
+        if type(self.block) is template.NodeList:
+               self.block = self.block.render(context)
+        
+        self.block = remove_formatting(self.block)
+        
+        context = context.flatten()
+        context['block'] = self.block
+        t = template.loader.get_template('partials/%s.html' % self.name)
+        return t.render(context)
+
+@register.tag(name='set')
+def set_block(parser, token):
+    split = token.split_contents()
+    if len(split) >= 1:
+        variable_name = split[1]
+    else:
+        raise template.TemplateSyntaxError('%r expects a variable name' % split[0])
+            
+    if len(split) == 2:
+        content=None
+        if '=' not in variable_name:
+            content = parser.parse(('end%s'%split[0],))
+        parser.delete_first_token()
+        return VariableNode(variable_name, content)
+    else:
+        return VariableNode(variable_name, split[2])
+
+@register.tag(name='partial')
+def partial(parser, token):
+    split = token.split_contents()
+    if len(split) >= 1:
+        partial_name = split[1]
+    else:
+        raise template.TemplateSyntaxError('%r expects a partial name' % split[0])
+    
+    if len(split) == 2:
+        nodeList = parser.parse(('end%s'%split[0],))
+        parser.delete_first_token()
+        return PartialNode(partial_name, nodeList)
+    else:
+        nodeList = template.NodeList()
+        for parameter in split[2:]:
+            if '=' in parameter:
+                nodeList.append(
+                    VariableNode(name=parameter)
+                )
+            else:
+                raise template.TemplateSyntaxError('%r expects kwargs, got args' % split[0])
+        return PartialNode(partial_name, nodeList)
+    
\ No newline at end of file