Feature: Add customisable icons in topology (#193)

* [up] add config for custom images, better js

* [up] use bundler to bundle js

* [fix] remove domcontentloaded since defer is used

* [fix] formatting with black

* [fix] images drf api

* [up] add support for custom icons on additional roles: power panel, power feed, circuit

* [up] optimize topology generation by using `_id` when trying to access pk of related object

* [fix] kebab case instead of slugification

* [fix] use empty queryset in api views & change coord save logic

netbox_topology_views/templates/netbox_topology_views/images.html

@@ -0,0 +1,46 @@
+{% extends 'base/layout.html' %}
+{% load buttons %}
+{% load render_table from django_tables2 %}
+{% load helpers %}
+{% load static %}
+
+{% block title %}Topology Views Images{% endblock %}
+
+{% block head %}
+<link rel="stylesheet" href="{% static 'netbox_topology_views/css/app.css' %}">
+{% endblock %}
+
+{% block content-wrapper %}
+  <form id="images" class="container py-4">
+    <div class="d-flex flex-wrap justify-content-center gap-3 mb-2">
+      {% for role in roles %}
+        <div class="d-flex flex-column align-items-center">
+          <div class="image-dropdown dropdown">
+            <button class="btn btn-secondary" type="button" id="dropdownMenuButton{{ role.id }}" data-bs-toggle="dropdown" aria-expanded="false">
+              {% if role.image %}
+                <img src="{{ role.image }}" />
+              {% else %}
+                Image
+              {% endif %}
+            </button>
+            <div class="dropdown-menu mt-2" aria-labelledby="dropdownMenuButton{{ role.id }}">
+              <div class="image-dropdown-content">
+              {% for image in images %}
+                <img src="{{ image.url }}" title="{{ image.title }}" width="64" data-role="{{ role.id }}" data-image="{{ image.url }}"/>
+              {% endfor %}
+              </div>
+            </div>
+          </div>
+          <span>{{ role.name }}</span>
+        </div>
+      {% endfor %}
+    </div>
+
+    <button class="btn btn-primary" type="submit">Save</button>
+  </form>
+  {% include 'netbox_topology_views/toasts.html' %}
+{% endblock content-wrapper %}
+
+{% block javascript %}
+  <script src="{% static 'netbox_topology_views/js/images.js' %}" defer></script>
+{% endblock javascript %}

netbox_topology_views/templates/netbox_topology_views/index.html

@@ -50,12 +50,8 @@
 
       <div class="tab-pane show active" id="networks" role="tabpanel" aria-labelledby="network-tab">
         <div class="panel-body">
-          <div id="visgraph" class=""></div>
+          <div id="visgraph"></div>
         </div>
-
-        <script type="text/javascript">
-          var topology_data = {{ topology_data | safe }};
-        </script>
       </div>
 
       {% if filter_form %}
@@ -69,5 +65,9 @@
 {% endblock content-wrapper %}
 
 {% block javascript %}
-	<script src="{% static 'netbox_topology_views/js/app.js' %}"></script>
+  <script type="text/javascript">
+    const brokenImage = '{{ broken_image }}';
+    const topologyData = {{ topology_data | safe }};
+  </script>
+	<script src="{% static 'netbox_topology_views/js/app.js' %}" defer></script>
 {% endblock javascript %}

netbox_topology_views/templates/netbox_topology_views/toasts.html

@@ -0,0 +1,44 @@
+<div id="django-messages" class="toast-container">
+    <div
+        id="topology-plugin-error-toast"
+        class="toast align-items-center border-0 bg-danger hide"
+        role="alert"
+        aria-live="assertive"
+        aria-atomic="true"
+        data-bs-delay="2000"
+    >
+        <div class="d-flex">
+            <div class="toast-body">
+                😢
+                <span>Error</span>
+            </div>
+            <button
+                type="button"
+                class="btn-close me-2 m-auto"
+                data-bs-dismiss="toast"
+                aria-label="Close"
+            ></button>
+        </div>
+    </div>
+    <div
+        id="topology-plugin-success-toast"
+        class="toast align-items-center border-0 bg-success hide"
+        role="alert"
+        aria-live="assertive"
+        aria-atomic="true"
+        data-bs-delay="2000"
+    >
+        <div class="d-flex">
+            <div class="toast-body">
+                👍
+                <span>Success</span>
+            </div>
+            <button
+                type="button"
+                class="btn-close me-2 m-auto"
+                data-bs-dismiss="toast"
+                aria-label="Close"
+            ></button>
+        </div>
+    </div>
+</div>