Imports cased like the filename

2017-12-11 16:26:11 -07:00
parent 46fd03047b
commit 1cdb6a66f0
287 changed files with 1 additions and 2 deletions
@@ -0,0 +1,87 @@
+goog.provide('ol.interaction.DragZoom');
+
+goog.require('ol');
+goog.require('ol.easing');
+goog.require('ol.events.condition');
+goog.require('ol.extent');
+goog.require('ol.interaction.DragBox');
+
+
+/**
+ * @classdesc
+ * Allows the user to zoom the map by clicking and dragging on the map,
+ * normally combined with an {@link ol.events.condition} that limits
+ * it to when a key, shift by default, is held down.
+ *
+ * To change the style of the box, use CSS and the `.ol-dragzoom` selector, or
+ * your custom one configured with `className`.
+ *
+ * @constructor
+ * @extends {ol.interaction.DragBox}
+ * @param {olx.interaction.DragZoomOptions=} opt_options Options.
+ * @api
+ */
+ol.interaction.DragZoom = function(opt_options) {
+  var options = opt_options ? opt_options : {};
+
+  var condition = options.condition ?
+    options.condition : ol.events.condition.shiftKeyOnly;
+
+  /**
+   * @private
+   * @type {number}
+   */
+  this.duration_ = options.duration !== undefined ? options.duration : 200;
+
+  /**
+   * @private
+   * @type {boolean}
+   */
+  this.out_ = options.out !== undefined ? options.out : false;
+
+  ol.interaction.DragBox.call(this, {
+    condition: condition,
+    className: options.className || 'ol-dragzoom'
+  });
+
+};
+ol.inherits(ol.interaction.DragZoom, ol.interaction.DragBox);
+
+
+/**
+ * @inheritDoc
+ */
+ol.interaction.DragZoom.prototype.onBoxEnd = function() {
+  var map = this.getMap();
+
+  var view = /** @type {!ol.View} */ (map.getView());
+
+  var size = /** @type {!ol.Size} */ (map.getSize());
+
+  var extent = this.getGeometry().getExtent();
+
+  if (this.out_) {
+    var mapExtent = view.calculateExtent(size);
+    var boxPixelExtent = ol.extent.createOrUpdateFromCoordinates([
+      map.getPixelFromCoordinate(ol.extent.getBottomLeft(extent)),
+      map.getPixelFromCoordinate(ol.extent.getTopRight(extent))]);
+    var factor = view.getResolutionForExtent(boxPixelExtent, size);
+
+    ol.extent.scaleFromCenter(mapExtent, 1 / factor);
+    extent = mapExtent;
+  }
+
+  var resolution = view.constrainResolution(
+      view.getResolutionForExtent(extent, size));
+
+  var center = ol.extent.getCenter(extent);
+  center = view.constrainCenter(center);
+
+  view.animate({
+    resolution: resolution,
+    center: center,
+    duration: this.duration_,
+    easing: ol.easing.easeOut
+  });
+
+};