Topology button in Site View (#220)

* Topology button in Site View

* Add mdi icons to Topology and Close Buttons

* Fix buttons tag and class

* fixed drag & site filter

Co-authored-by: Mattijs Vanhaverbeke <mattijs.vanhaverbeke@ebo-enterprises.com>

netbox_topology_views/static_dev/js/home.js

@@ -70,6 +70,7 @@ const coordSaveCheckbox = document.querySelector('#id_save_coords')
     graph.fit()
 
     graph.on('dragEnd', (params) => {
+        if (coordSaveCheckbox == null) return
         if (!coordSaveCheckbox.checked) return
         
         Promise.allSettled(

netbox_topology_views/template_content.py

@@ -0,0 +1,15 @@
+
+from extras.plugins import PluginTemplateExtension
+from django.conf import settings
+from packaging import version
+
+NETBOX_CURRENT_VERSION = version.parse(settings.VERSION)
+
+
+class SiteButtons(PluginTemplateExtension):
+    model = 'dcim.site'
+    def buttons(self):
+        return self.render('netbox_topology_views/site_button.html')
+
+
+template_extensions = [SiteButtons]

netbox_topology_views/templates/netbox_topology_views/htmx_topology.html

@@ -0,0 +1,33 @@
+{% load static %}
+
+<link rel="stylesheet" href="{% static 'netbox_topology_views/css/vendor.css' %}">
+<link rel="stylesheet" href="{% static 'netbox_topology_views/css/app.css' %}">
+
+<div class="modal-header">
+    <h5 class="modal-title">Topology Views</h5>
+    <div class="controls">
+    	<div class="control-group">
+			{% block extra_controls %}{% endblock %}
+			<a id="btnDownloadImage" class="btn btn-sm btn-info" href="#">
+				<i class="mdi mdi-download"></i>
+				Download
+			</a>
+            <a class="btn  btn-sm btn-danger" data-bs-dismiss="modal">
+                <i class="mdi mdi-close-thick"></i>
+                Close
+            </a>
+    	</div>
+	</div>
+</div>
+<div class="panel-body" >
+    <div style="width: 500px; height: 500px;">
+        <div id="visgraph" style="width: 100%; height: 100%;">      
+        </div>
+    </div>
+</div>
+
+<script type="text/javascript">
+    const brokenImage = '{{ broken_image }}';
+    const topologyData = {{ topology_data | safe }};
+</script>
+<script src="{% static 'netbox_topology_views/js/app.js' %}?ver={{ epoch }} " defer></script>

netbox_topology_views/templates/netbox_topology_views/site_button.html

@@ -0,0 +1,4 @@
+<a role="button" class="btn btn-sm btn-primary" title="Topology" href="#" hx-get="/plugins/netbox_topology_views/topology/?site_id={{ object.id }}" hx-target="#htmx-modal-content" data-bs-toggle="modal" data-bs-target="#htmx-modal">
+    <i class="mdi mdi-transit-connection-variant" aria-hidden="true"></i>
+    Topology
+</a>

netbox_topology_views/views.py

@@ -1,7 +1,9 @@
 import json
 from functools import reduce
 from typing import DefaultDict, Dict, Optional, Union
+import time
 
+from utilities.htmx import is_htmx
 from circuits.models import Circuit, CircuitTermination
 from dcim.models import (
     Cable,
@@ -609,6 +611,18 @@ class TopologyHomeView(PermissionRequiredMixin, View):
             query_string = q.urlencode()
             return HttpResponseRedirect(f"{request.path}?{query_string}")
 
+        if is_htmx(request): 
+            return render(
+                request,
+                "netbox_topology_views/htmx_topology.html",
+                {
+                    "filter_form": DeviceFilterForm(request.GET, label_suffix=""),
+                    "topology_data": json.dumps(topo_data),
+                    "broken_image": find_image_url("role-unknown"),
+                    "epoch": int(time.time()),
+                },
+            )
+
         return render(
             request,
             "netbox_topology_views/index.html",