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
--- a/src/ol/control/Zoom.js
+++ b/src/ol/control/Zoom.js
@@ -0,0 +1,121 @@
+goog.provide('ol.control.Zoom');
+
+goog.require('ol');
+goog.require('ol.events');
+goog.require('ol.events.EventType');
+goog.require('ol.control.Control');
+goog.require('ol.css');
+goog.require('ol.easing');
+
+
+/**
+ * @classdesc
+ * A control with 2 buttons, one for zoom in and one for zoom out.
+ * This control is one of the default controls of a map. To style this control
+ * use css selectors `.ol-zoom-in` and `.ol-zoom-out`.
+ *
+ * @constructor
+ * @extends {ol.control.Control}
+ * @param {olx.control.ZoomOptions=} opt_options Zoom options.
+ * @api
+ */
+ol.control.Zoom = function(opt_options) {
+
+  var options = opt_options ? opt_options : {};
+
+  var className = options.className !== undefined ? options.className : 'ol-zoom';
+
+  var delta = options.delta !== undefined ? options.delta : 1;
+
+  var zoomInLabel = options.zoomInLabel !== undefined ? options.zoomInLabel : '+';
+  var zoomOutLabel = options.zoomOutLabel !== undefined ? options.zoomOutLabel : '\u2212';
+
+  var zoomInTipLabel = options.zoomInTipLabel !== undefined ?
+    options.zoomInTipLabel : 'Zoom in';
+  var zoomOutTipLabel = options.zoomOutTipLabel !== undefined ?
+    options.zoomOutTipLabel : 'Zoom out';
+
+  var inElement = document.createElement('button');
+  inElement.className = className + '-in';
+  inElement.setAttribute('type', 'button');
+  inElement.title = zoomInTipLabel;
+  inElement.appendChild(
+      typeof zoomInLabel === 'string' ? document.createTextNode(zoomInLabel) : zoomInLabel
+  );
+
+  ol.events.listen(inElement, ol.events.EventType.CLICK,
+      ol.control.Zoom.prototype.handleClick_.bind(this, delta));
+
+  var outElement = document.createElement('button');
+  outElement.className = className + '-out';
+  outElement.setAttribute('type', 'button');
+  outElement.title = zoomOutTipLabel;
+  outElement.appendChild(
+      typeof zoomOutLabel === 'string' ? document.createTextNode(zoomOutLabel) : zoomOutLabel
+  );
+
+  ol.events.listen(outElement, ol.events.EventType.CLICK,
+      ol.control.Zoom.prototype.handleClick_.bind(this, -delta));
+
+  var cssClasses = className + ' ' + ol.css.CLASS_UNSELECTABLE + ' ' +
+      ol.css.CLASS_CONTROL;
+  var element = document.createElement('div');
+  element.className = cssClasses;
+  element.appendChild(inElement);
+  element.appendChild(outElement);
+
+  ol.control.Control.call(this, {
+    element: element,
+    target: options.target
+  });
+
+  /**
+   * @type {number}
+   * @private
+   */
+  this.duration_ = options.duration !== undefined ? options.duration : 250;
+
+};
+ol.inherits(ol.control.Zoom, ol.control.Control);
+
+
+/**
+ * @param {number} delta Zoom delta.
+ * @param {Event} event The event to handle
+ * @private
+ */
+ol.control.Zoom.prototype.handleClick_ = function(delta, event) {
+  event.preventDefault();
+  this.zoomByDelta_(delta);
+};
+
+
+/**
+ * @param {number} delta Zoom delta.
+ * @private
+ */
+ol.control.Zoom.prototype.zoomByDelta_ = function(delta) {
+  var map = this.getMap();
+  var view = map.getView();
+  if (!view) {
+    // the map does not have a view, so we can't act
+    // upon it
+    return;
+  }
+  var currentResolution = view.getResolution();
+  if (currentResolution) {
+    var newResolution = view.constrainResolution(currentResolution, delta);
+    if (this.duration_ > 0) {
+      if (view.getAnimating()) {
+        view.cancelAnimations();
+      }
+      view.animate({
+        resolution: newResolution,
+        duration: this.duration_,
+        easing: ol.easing.easeOut
+      });
+    } else {
+      view.setResolution(newResolution);
+    }
+  }
+};