From 201c74d29be97f441c74ac43e53626f9f98f3c0e Mon Sep 17 00:00:00 2001
From: Xaver Maierhofer <xaver.maierhofer@xwissen.info>
Date: Sat, 30 Dec 2017 20:01:00 +0100
Subject: [PATCH] [TASK] Add zoom modifier for forcegraph

---
 config.default.js | 3 ++-
 lib/forcegraph.js | 6 +++---
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/config.default.js b/config.default.js
index 22b031d..6b42aff 100644
--- a/config.default.js
+++ b/config.default.js
@@ -155,7 +155,8 @@ module.exports = function () {
       'highlightColor': 'rgba(255, 255, 255, 0.2)',
       'labelColor': '#fff',
       'tqFrom': '#770038',
-      'tqTo': '#dc0067'
+      'tqTo': '#dc0067',
+      'zoomModifier': 1
     },
     'locate': {
       'outerCircle': {
diff --git a/lib/forcegraph.js b/lib/forcegraph.js
index 6feb75d..39a8dfa 100644
--- a/lib/forcegraph.js
+++ b/lib/forcegraph.js
@@ -236,7 +236,7 @@ define(['d3-selection', 'd3-force', 'd3-zoom', 'd3-drag', 'd3-timer', 'd3-ease',
       self.resetView = function resetView() {
         moveTo(function calcToReset() {
           draw.setHighlight(null);
-          return [0, 0, (ZOOM_MIN + 1) / 2];
+          return [0, 0, (ZOOM_MIN + config.forceGraph.zoomModifier) / 2];
         }, true);
       };
 
@@ -247,7 +247,7 @@ define(['d3-selection', 'd3-force', 'd3-zoom', 'd3-drag', 'd3-timer', 'd3-ease',
           if (n) {
             return [n.x, n.y, (ZOOM_MAX + 1) / 2];
           }
-          return [0, 0, (ZOOM_MIN + 1) / 2];
+          return resetView();
         });
       };
 
@@ -260,7 +260,7 @@ define(['d3-selection', 'd3-force', 'd3-zoom', 'd3-drag', 'd3-timer', 'd3-ease',
           if (l) {
             return [(l.source.x + l.target.x) / 2, (l.source.y + l.target.y) / 2, (ZOOM_MAX / 2) + ZOOM_MIN];
           }
-          return [0, 0, (ZOOM_MIN + 1) / 2];
+          return resetView();
         });
       };