Add ol.control.Keyboard hack

src/ol/control/keyboard.js

@@ -0,0 +1,53 @@
+// FIXME this class is ugly and should be removed
+
+goog.provide('ol.control.Keyboard');
+
+goog.require('ol.Control');
+
+
+
+/**
+ * @constructor
+ * @extends {ol.Control}
+ */
+ol.control.Keyboard = function() {
+
+  goog.base(this, null);
+
+  /**
+   * @private
+   * @type {Object.<number, Function>}
+   */
+  this.charCodeCallbacks_ = {};
+
+};
+goog.inherits(ol.control.Keyboard, ol.Control);
+
+
+/**
+ * @param {string} s String.
+ * @param {Function} callback Callback.
+ */
+ol.control.Keyboard.prototype.addCallback = function(s, callback) {
+  var i;
+  for (i = 0; i < s.length; ++i) {
+    this.charCodeCallbacks_[s.charCodeAt(i)] = callback;
+  }
+};
+
+
+/**
+ * @inheritDoc
+ */
+ol.control.Keyboard.prototype.handleMapBrowserEvent =
+    function(mapBrowserEvent) {
+  if (mapBrowserEvent.type == goog.events.KeyHandler.EventType.KEY) {
+    var keyEvent = /** @type {goog.events.KeyEvent} */
+        mapBrowserEvent.browserEvent;
+    var callback = this.charCodeCallbacks_[keyEvent.charCode];
+    if (callback) {
+      callback();
+      mapBrowserEvent.preventDefault();
+    }
+  }
+};