fix: pinch to zoom out close points (#171)

visjs · Jan 31, 2020 · 1a56fce · 1a56fce
1 parent 36dbd3b
commit 1a56fce
Showing 1 changed file with 5 additions and 4 deletions.
diff --git a/lib/timeline/Range.js b/lib/timeline/Range.js
@@ -672,6 +672,7 @@ export default class Range extends Component {
     this.props.touch.end = this.end;
     this.props.touch.allowDragging = true;
     this.props.touch.center = null;
+    this.props.touch.centerDate = null;
     this.scaleOffset = 0;
     this.deltaDifference = 0;
     // Disable the browser default handling of this event.
@@ -694,12 +695,12 @@ export default class Range extends Component {
 
     if (!this.props.touch.center) {
       this.props.touch.center = this.getPointer(event.center, this.body.dom.center);
+      this.props.touch.centerDate = this._pointerToDate(this.props.touch.center);
     }
 
     this.stopRolling();
-
     const scale = 1 / (event.scale + this.scaleOffset);
-    const centerDate = this._pointerToDate(this.props.touch.center);
+    const centerDate = this.props.touch.centerDate;
 
     const hiddenDuration = DateUtil.getHiddenDurationBetween(this.body.hiddenDates, this.start, this.end);
     const hiddenDurationBefore = DateUtil.getHiddenDurationBefore(this.options.moment, this.body.hiddenDates, this, centerDate);
@@ -712,7 +713,7 @@ export default class Range extends Component {
     // snapping times away from hidden zones
     this.startToFront = 1 - scale <= 0; // used to do the right auto correction with periodic hidden times
     this.endToFront = scale - 1 <= 0;   // used to do the right auto correction with periodic hidden times
-
+    
     const safeStart = DateUtil.snapAwayFromHidden(this.body.hiddenDates, newStart, 1 - scale, true);
     const safeEnd = DateUtil.snapAwayFromHidden(this.body.hiddenDates, newEnd, scale - 1, true);
     if (safeStart != newStart || safeEnd != newEnd) {
@@ -722,7 +723,7 @@ export default class Range extends Component {
       newStart = safeStart;
       newEnd = safeEnd;
     }
-
+    
     const options = {
       animation: false,
       byUser: true,