From 717f1f148b9f2a161993c9744de3413b8588fe32 Mon Sep 17 00:00:00 2001
From: jos <wjosdejong@gmail.com>
Date: Tue, 26 Jan 2016 09:29:48 +0100
Subject: [PATCH 1/3] Moved `emit('_change'...)` from Timeline.setItems to
 ItemSet.setItems to be consistend with ItemSet.setGroups

---
 lib/timeline/Timeline.js          | 3 ---
 lib/timeline/component/ItemSet.js | 2 ++
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/lib/timeline/Timeline.js b/lib/timeline/Timeline.js
index 90f14504..c5c76cba 100644
--- a/lib/timeline/Timeline.js
+++ b/lib/timeline/Timeline.js
@@ -237,9 +237,6 @@ Timeline.prototype.setItems = function(items) {
   // set items
   this.itemsData = newDataSet;
   this.itemSet && this.itemSet.setItems(newDataSet);
-
-  this.body.emitter.emit('_change', {queue: true});
-
 };
 
 /**
diff --git a/lib/timeline/component/ItemSet.js b/lib/timeline/component/ItemSet.js
index d6b283ee..d66c77e4 100644
--- a/lib/timeline/component/ItemSet.js
+++ b/lib/timeline/component/ItemSet.js
@@ -726,6 +726,8 @@ ItemSet.prototype.setItems = function(items) {
     // update the group holding all ungrouped items
     this._updateUngrouped();
   }
+
+  this.body.emitter.emit('_change', {queue: true});
 };
 
 /**

From f171328c10dd56f281b8c7e699bc56b968da6c7e Mon Sep 17 00:00:00 2001
From: jos <wjosdejong@gmail.com>
Date: Tue, 26 Jan 2016 09:33:08 +0100
Subject: [PATCH 2/3] Fixed #1541: Timeline and Graph2d did not load
 synchronously anymore

---
 HISTORY.md               | 2 ++
 lib/timeline/Graph2d.js  | 2 ++
 lib/timeline/Timeline.js | 6 +++---
 3 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/HISTORY.md b/HISTORY.md
index 9a28ac26..11447f1c 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -24,6 +24,7 @@ http://visjs.org
 - Fixed #1580: Invisible timeline/graph should not be drawn, as most inputs are invalid
 - Fixed #1521: Prevent items from staying stuck to the left side of the viewport.
 - Fixed #1592: Emit a "changed" event after each redraw.
+- Fixed #1541: Timeline and Graph2d did not load synchronously anymore.
 
 ### Graph2d
 
@@ -34,6 +35,7 @@ http://visjs.org
 - Cleanup of linegraph's event handling.
 - Fixed #1017: Fixed minWidth behavior for bars.
 - Fixes #1557: Fix default axis formatting function.
+- Fixed #1541: Timeline and Graph2d did not load synchronously anymore.
 
 ## 2016-01-08, version 4.12.0
 
diff --git a/lib/timeline/Graph2d.js b/lib/timeline/Graph2d.js
index 9bca8f61..a5498eb5 100644
--- a/lib/timeline/Graph2d.js
+++ b/lib/timeline/Graph2d.js
@@ -124,6 +124,8 @@ function Graph2d (container, items, groups, options) {
   if (items) {
     this.setItems(items);
   }
+
+  // draw for the first time
   this._redraw();
 }
 
diff --git a/lib/timeline/Timeline.js b/lib/timeline/Timeline.js
index c5c76cba..e2bfd555 100644
--- a/lib/timeline/Timeline.js
+++ b/lib/timeline/Timeline.js
@@ -157,9 +157,9 @@ function Timeline (container, items, groups, options) {
   if (items) {
     this.setItems(items);
   }
-  else {
-    this._redraw();
-  }
+
+  // draw for the first time
+  this._redraw();
 }
 
 // Extend the functionality from Core

From 81510b63ddfcf300e34d69a2d44f15101e262cec Mon Sep 17 00:00:00 2001
From: Felix Hayashi <ninshinobi@msn.com>
Date: Wed, 27 Jan 2016 17:31:40 +0100
Subject: [PATCH 3/3] Fixed wrong variable reference

see #1608
---
 HISTORY.md                                            | 1 +
 lib/network/modules/components/edges/util/EdgeBase.js | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/HISTORY.md b/HISTORY.md
index 11447f1c..355fbf1c 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -17,6 +17,7 @@ http://visjs.org
 - Fixed #1596: correct clean up of manipulation dom elements.
 - Fixed #1594: bug in hierarchical layout.
 - Fixed #1597: Allow zero borders and addressed scaling artifacts.
+- Fixed #1608: Fixed wrong variable reference
 
 ### Timeline
 
diff --git a/lib/network/modules/components/edges/util/EdgeBase.js b/lib/network/modules/components/edges/util/EdgeBase.js
index 2ae06715..659313a1 100644
--- a/lib/network/modules/components/edges/util/EdgeBase.js
+++ b/lib/network/modules/components/edges/util/EdgeBase.js
@@ -457,11 +457,11 @@ class EdgeBase {
 
       if (position === 'from') {
         arrowPoint = this.findBorderPosition(this.from, ctx, {x, y, low:0.25, high:0.6, direction:-1});
-        angle = point.t * -2 * Math.PI + 1.5 * Math.PI + 0.1 * Math.PI;
+        angle = arrowPoint.t * -2 * Math.PI + 1.5 * Math.PI + 0.1 * Math.PI;
       }
       else if (position === 'to') {
         arrowPoint = this.findBorderPosition(this.from, ctx, {x, y, low:0.6, high:1.0, direction:1});
-        angle = point.t * -2 * Math.PI + 1.5 * Math.PI - 1.1 * Math.PI;
+        angle = arrowPoint.t * -2 * Math.PI + 1.5 * Math.PI - 1.1 * Math.PI;
       }
       else {
         arrowPoint = this._pointOnCircle(x, y, radius, 0.175);