Give each source file a unique name

2012-10-25 19:03:04 +02:00
parent af872e25c3
commit e5d39724c9
31 changed files with 0 additions and 0 deletions
@@ -0,0 +1,36 @@
+goog.provide('ol.interaction.KeyboardZoom');
+
+goog.require('goog.events.KeyCodes');
+goog.require('goog.events.KeyHandler.EventType');
+goog.require('ol.interaction.Interaction');
+
+
+
+/**
+ * @constructor
+ * @extends {ol.interaction.Interaction}
+ */
+ol.interaction.KeyboardZoom = function() {
+  goog.base(this);
+};
+goog.inherits(ol.interaction.KeyboardZoom, ol.interaction.Interaction);
+
+
+/**
+ * @inheritDoc
+ */
+ol.interaction.KeyboardZoom.prototype.handleMapBrowserEvent =
+    function(mapBrowserEvent) {
+  if (mapBrowserEvent.type == goog.events.KeyHandler.EventType.KEY) {
+    var keyEvent = /** @type {goog.events.KeyEvent} */
+        mapBrowserEvent.browserEvent;
+    var charCode = keyEvent.charCode;
+    if (charCode == '+'.charCodeAt(0) || charCode == '-'.charCodeAt(0)) {
+      var map = mapBrowserEvent.map;
+      var delta = (charCode == '+'.charCodeAt(0)) ? 4 : -4;
+      map.zoom(delta);
+      keyEvent.preventDefault();
+      mapBrowserEvent.preventDefault();
+    }
+  }
+};