s/ol3/ol/

2012-09-24 14:21:41 +02:00
parent 6737220b83
commit f8c31ba45c
112 changed files with 3755 additions and 3755 deletions
@@ -0,0 +1,41 @@
+goog.provide('ol.interaction.MouseWheelZoom');
+
+goog.require('goog.events.MouseWheelEvent');
+goog.require('goog.events.MouseWheelHandler.EventType');
+goog.require('ol.MapBrowserEvent');
+goog.require('ol.interaction.Constraints');
+
+
+
+/**
+ * @constructor
+ * @extends {ol.Interaction}
+ * @param {ol.interaction.Constraints} constraints Constraints.
+ */
+ol.interaction.MouseWheelZoom = function(constraints) {
+  goog.base(this, constraints);
+};
+goog.inherits(ol.interaction.MouseWheelZoom, ol.Interaction);
+
+
+/**
+ * @inheritDoc
+ */
+ol.interaction.MouseWheelZoom.prototype.handleMapBrowserEvent =
+    function(mapBrowserEvent) {
+  if (mapBrowserEvent.type ==
+      goog.events.MouseWheelHandler.EventType.MOUSEWHEEL) {
+    var map = mapBrowserEvent.map;
+    var mouseWheelEvent = /** @type {goog.events.MouseWheelEvent} */
+        mapBrowserEvent.browserEvent;
+    goog.asserts.assert(mouseWheelEvent instanceof goog.events.MouseWheelEvent);
+    if (mouseWheelEvent.deltaY !== 0) {
+      var delta = mouseWheelEvent.deltaY < 0 ? 1 : -1;
+      var resolution = map.getResolution();
+      var anchor = mapBrowserEvent.getCoordinate();
+      this.zoom(map, resolution, delta, anchor);
+      mapBrowserEvent.preventDefault();
+      mouseWheelEvent.preventDefault();
+    }
+  }
+};