Move pan function from View2D to Interaction

src/ol/interaction/interaction.js

@@ -3,6 +3,8 @@
 goog.provide('ol.interaction.Interaction');
 
 goog.require('ol.MapBrowserEvent');
+goog.require('ol.animation');
+goog.require('ol.easing');
 
 
 
@@ -18,3 +20,26 @@ ol.interaction.Interaction = function() {
  */
 ol.interaction.Interaction.prototype.handleMapBrowserEvent =
     goog.abstractMethod;
+
+
+/**
+ * @param {ol.Map} map Map.
+ * @param {ol.View2D} view View.
+ * @param {ol.Coordinate} delta Delta.
+ * @param {number=} opt_duration Duration.
+ */
+ol.interaction.Interaction.pan = function(
+    map, view, delta, opt_duration) {
+  var currentCenter = view.getCenter();
+  if (goog.isDef(currentCenter)) {
+    if (goog.isDef(opt_duration)) {
+      map.requestRenderFrame();
+      map.addPreRenderFunction(ol.animation.pan({
+        source: currentCenter,
+        duration: opt_duration,
+        easing: ol.easing.linear
+      }));
+    }
+    view.setCenter([currentCenter[0] + delta[0], currentCenter[1] + delta[1]]);
+  }
+};

src/ol/interaction/keyboardpaninteraction.js

@@ -70,7 +70,8 @@ ol.interaction.KeyboardPan.prototype.handleMapBrowserEvent =
       }
       var delta = [deltaX, deltaY];
       ol.coordinate.rotate(delta, rotation);
-      view.pan(map, delta, ol.interaction.KEYBOARD_PAN_DURATION);
+      ol.interaction.Interaction.pan(
+          map, view, delta, ol.interaction.KEYBOARD_PAN_DURATION);
       keyEvent.preventDefault();
       mapBrowserEvent.preventDefault();
     }

src/ol/view2d.js

@@ -376,27 +376,6 @@ goog.exportProperty(
     ol.View2D.prototype.setRotation);
 
 
-/**
- * @param {ol.Map} map Map.
- * @param {ol.Coordinate} delta Delta.
- * @param {number=} opt_duration Duration.
- */
-ol.View2D.prototype.pan = function(map, delta, opt_duration) {
-  var currentCenter = this.getCenter();
-  if (goog.isDef(currentCenter)) {
-    if (goog.isDef(opt_duration)) {
-      map.requestRenderFrame();
-      map.addPreRenderFunction(ol.animation.pan({
-        source: currentCenter,
-        duration: opt_duration,
-        easing: ol.easing.linear
-      }));
-    }
-    this.setCenter([currentCenter[0] + delta[0], currentCenter[1] + delta[1]]);
-  }
-};
-
-
 /**
  * @param {ol.Map} map Map.
  * @param {number|undefined} rotation Rotation.