From 79073f63d83ec99b8e502a4c3eaf2b859309a265 Mon Sep 17 00:00:00 2001
From: Daniyal Jahan <jahandaniyal@gmail.com>
Date: Wed, 7 Feb 2018 20:53:54 +0000
Subject: [PATCH 1/3] Fixes #343 - UI of export button

---
 templates/graph/index.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/templates/graph/index.html b/templates/graph/index.html
index 830d44f3..3f523a08 100644
--- a/templates/graph/index.html
+++ b/templates/graph/index.html
@@ -178,7 +178,7 @@ <h4 class="zero-margin d-inline-block">
                         <i class="fa fa-share-alt fa-lg"></i> Share
                     </a>
                 {% endif %}
-                <div class="btn-group pull-right" style="margin-right: 1em !important; z-index: 20000">
+                <div class="btn-group pull-right" style="margin-right: 1em !important; z-index: 1001">
                     <button type="button" class="btn btn-sm btn-default dropdown-toggle" data-toggle="dropdown"
                             aria-haspopup="true" aria-expanded="false">
                         <i class="fa fa-download fa-lg"></i> Export <span class="caret"></span>

From 2d87292d813350ca5da093b8abb5328d6bfd443f Mon Sep 17 00:00:00 2001
From: Daniyal Jahan <jahandaniyal@gmail.com>
Date: Tue, 13 Feb 2018 11:17:02 +0000
Subject: [PATCH 2/3] Added Url for Fork_graph

---
 applications/graphs/urls.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/applications/graphs/urls.py b/applications/graphs/urls.py
index 297f92ab..1b1db03c 100644
--- a/applications/graphs/urls.py
+++ b/applications/graphs/urls.py
@@ -8,6 +8,7 @@
 	url(r'^graphs/(?P<graph_id>[^/]+)$', views.graph_page, name='graph'),
 	url(r'^graphs/(?P<email>[^/]+)/(?P<graph_name>[^/]+)$', views.graph_page_by_name, name='graph_by_name'),
 	url(r'^upload$', views.upload_graph_page, name='upload_graph'),
+    url(r'^fork_graph$', views.fork_graph, name='fork_graph'),
 
 	# AJAX APIs Endpoints
 

From 1ffd4af238470c79e6f88b897e5c492163762e88 Mon Sep 17 00:00:00 2001
From: Daniyal Jahan <jahandaniyal@gmail.com>
Date: Tue, 13 Feb 2018 12:05:21 +0000
Subject: [PATCH 3/3] POC for FORK functionality

---
 applications/graphs/views.py | 16 ++++++++++++++++
 static/js/graphs_page.js     | 35 +++++++++++++++++++++++++++++++++++
 templates/graph/index.html   | 28 ++++++++++++++++++++++++++--
 3 files changed, 77 insertions(+), 2 deletions(-)

diff --git a/applications/graphs/views.py b/applications/graphs/views.py
index 772639c5..afb9b743 100644
--- a/applications/graphs/views.py
+++ b/applications/graphs/views.py
@@ -34,6 +34,22 @@ def upload_graph_page(request):
 	else:
 		return render(request, 'upload_graph/index.html', context)
 
+@csrf_exempt
+def fork_graph(request):
+    response=''
+    if request.method == 'POST':
+        try:
+            graph = _add_graph(request, graph={
+                'name': request.POST.get('name', None),
+                'owner_email': request.POST.get('owner_email', None),
+                'is_public': request.POST.get('is_public', None),
+                'graph_json': json.loads(request.POST.get('graph_json', None)),
+                'style_json': json.loads(request.POST.get('style_json', None))
+            })
+            response = 'Success'
+        except Exception as e:
+            response = str(e)
+        return HttpResponse(json.dumps({'result':response}), content_type="application/json")
 
 def graphs_page(request):
 	"""
diff --git a/static/js/graphs_page.js b/static/js/graphs_page.js
index a7f4c57a..47e4af77 100644
--- a/static/js/graphs_page.js
+++ b/static/js/graphs_page.js
@@ -441,6 +441,13 @@ var graphPage = {
 
         utils.initializeTabs();
 
+        $("#ForkGraph").click(function (e) {
+            e.preventDefault();
+            if (!$(this).hasClass('disabled')){
+                graphPage.fork($(this).data()); // Passing data about parent graph to fork() as argument
+            }
+        });
+
         $('#saveOnExitLayoutBtn').click(function () {
             graphPage.cyGraph.contextMenus('get').destroy(); // Destroys the cytocscape context menu extension instance.
 
@@ -516,6 +523,34 @@ var graphPage = {
 
         graphPage.defaultLayoutWidget.init();
     },
+    fork: function (data) {
+        //Read the meta_data object and add 'parent_id' & 'parent_email' to the data field.
+        graph_meta_data = cytoscapeGraph.getNetworkAndViewJSON(graphPage.cyGraph);
+        graph_meta_data.data['parent_id'] = data.graph_id;
+        graph_meta_data.data['parent_email'] = data.owner_email;
+        var graphData = {
+            'name':data.graph_name,
+            'is_public':0,
+            'owner_email':data.uid,
+            'graph_json':JSON.stringify(graph_meta_data, null, 4),
+            'style_json':JSON.stringify(cytoscapeGraph.getStyleJSON(graphPage.cyGraph), null, 4)
+        }
+        $.ajax({
+            "type": "POST",
+            "dataType": "json",
+            "url": "/fork_graph",
+            "data": graphData,
+            "success": function (data) {
+                if(data.result=='Success'){
+                    $("#ForkGraph span").text('Forked Successfully');
+                    $("#ForkGraph").addClass('disabled');
+                }
+                else{
+                    alert('Could not fork the Graph due to the following error : ' + data.result);
+                }
+            },
+        });
+    },
     export: function (format) {
         cytoscapeGraph.export(graphPage.cyGraph, format, $('#GraphName').val());
     },
diff --git a/templates/graph/index.html b/templates/graph/index.html
index 3f523a08..e76b81f7 100644
--- a/templates/graph/index.html
+++ b/templates/graph/index.html
@@ -144,7 +144,7 @@ <h4 class="modal-title" id="myModalLabel">Save Layout</h4>
     <!--- Modals end here--->
     <div class="container-fluid zero-margin zero-padding">
         <div class="row zero-margin zero-padding padding-top-2 padding-bottom-2">
-            <div class="col-md-10">
+            <div class="col-md-9">
                 <p class="lead">
                     {{ title }}
                 </p>
@@ -169,9 +169,33 @@ <h4 class="zero-margin d-inline-block">
                         {% endfor %}
                     </div>
                 {% endif %}
+                {% if 'data' in graph.graph_json and 'parent_email' in graph.graph_json.data%}
+                    <p class="small">
+                        <small> forked from {{ graph.graph_json.data.parent_email }}/ <a class="text-center"
+                            href="{% url 'graphs' %}{{ graph.graph_json.data.parent_id }} "> {{ graph.name }} </a> </small>
+                    </p>
+                {% endif %}
             </div>
 
-            <div class="col-md-2">
+            <div class="col-md-3">
+                {% if isForked %}
+                <div class="btn-group" style=": 1em !important; z-index: 20000">
+                    <button type="button" class="btn btn-sm btn-default disabled"
+                            aria-haspopup="true" aria-expanded="false">
+                        <i class="fa fa-code-fork" aria-hidden="true"></i> Forked Successfully
+                    </button>
+
+                </div>
+                {% elif uid != graph.owner_email %}
+                <div class="btn-group pull-right" style=": 1em !important; z-index: 20000">
+                    <button type="button" id='ForkGraph' class="btn btn-sm btn-default"
+                            aria-haspopup="true" aria-expanded="false" data-uid={{ uid }} data-graph_name="{{ title }}"
+                            data-graph_id={{ graph.id }} data-owner_email={{ graph.owner_email }}>
+                        <i class="fa fa-code-fork" aria-hidden="true"></i> <span>Fork</span>
+                    </button>
+
+                </div>
+                {% endif %}
                 {% if uid and uid == graph.owner_email %}
                     <a class="btn btn-default pull-right btn-sm" href="#" data-toggle="modal"
                        data-target="#shareGraphModal">