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 +1,121 @@
+
+goog.provide('ol.interaction.Drag');
+
+goog.require('goog.asserts');
+goog.require('goog.events.EventType');
+goog.require('goog.functions');
+goog.require('ol.Coordinate');
+goog.require('ol.MapBrowserEvent');
+goog.require('ol.interaction.Interaction');
+
+
+
+/**
+ * @constructor
+ * @extends {ol.interaction.Interaction}
+ */
+ol.interaction.Drag = function() {
+
+  goog.base(this);
+
+  /**
+   * @private
+   * @type {boolean}
+   */
+  this.dragging_ = false;
+
+  /**
+   * @type {number}
+   */
+  this.startX = 0;
+
+  /**
+   * @type {number}
+   */
+  this.startY = 0;
+
+  /**
+   * @type {number}
+   */
+  this.offsetX = 0;
+
+  /**
+   * @type {number}
+   */
+  this.offsetY = 0;
+
+  /**
+   * @type {ol.Coordinate}
+   */
+  this.startCenter = null;
+
+  /**
+   * @type {ol.Coordinate}
+   */
+  this.startCoordinate = null;
+
+};
+goog.inherits(ol.interaction.Drag, ol.interaction.Interaction);
+
+
+/**
+ * @param {ol.MapBrowserEvent} mapBrowserEvent Event.
+ * @protected
+ */
+ol.interaction.Drag.prototype.handleDrag = goog.nullFunction;
+
+
+/**
+ * @param {ol.MapBrowserEvent} mapBrowserEvent Event.
+ * @protected
+ */
+ol.interaction.Drag.prototype.handleDragEnd = goog.nullFunction;
+
+
+/**
+ * @param {ol.MapBrowserEvent} mapBrowserEvent Event.
+ * @protected
+ * @return {boolean} Capture dragging.
+ */
+ol.interaction.Drag.prototype.handleDragStart = goog.functions.FALSE;
+
+
+/**
+ * @inheritDoc
+ */
+ol.interaction.Drag.prototype.handleMapBrowserEvent =
+    function(mapBrowserEvent) {
+  var map = mapBrowserEvent.map;
+  if (!map.isDef()) {
+    return;
+  }
+  var browserEvent = mapBrowserEvent.browserEvent;
+  if (this.dragging_) {
+    if (mapBrowserEvent.type == ol.MapBrowserEvent.EventType.DRAG) {
+      goog.asserts.assert(browserEvent instanceof goog.events.BrowserEvent);
+      this.deltaX = browserEvent.clientX - this.startX;
+      this.deltaY = browserEvent.clientY - this.startY;
+      this.handleDrag(mapBrowserEvent);
+    } else if (mapBrowserEvent.type == ol.MapBrowserEvent.EventType.DRAGEND) {
+      goog.asserts.assert(browserEvent instanceof goog.events.BrowserEvent);
+      this.deltaX = browserEvent.clientX - this.startX;
+      this.deltaY = browserEvent.clientY - this.startY;
+      this.handleDragEnd(mapBrowserEvent);
+      this.dragging_ = false;
+    }
+  } else if (mapBrowserEvent.type == ol.MapBrowserEvent.EventType.DRAGSTART) {
+    goog.asserts.assert(browserEvent instanceof goog.events.BrowserEvent);
+    this.startX = browserEvent.clientX;
+    this.startY = browserEvent.clientY;
+    this.deltaX = 0;
+    this.deltaY = 0;
+    this.startCenter = /** @type {!ol.Coordinate} */ map.getCenter();
+    this.startCoordinate = /** @type {ol.Coordinate} */
+        mapBrowserEvent.getCoordinate();
+    var handled = this.handleDragStart(mapBrowserEvent);
+    if (handled) {
+      this.dragging_ = true;
+      mapBrowserEvent.preventDefault();
+    }
+  }
+};