Clean up directory structure

2012-07-22 01:37:58 +02:00
parent 3eefbaa337
commit 65b7504c9f
38 changed files with 0 additions and 0 deletions
@@ -0,0 +1,128 @@
+goog.provide('ol.RendererHint');
+goog.provide('ol.createMap');
+
+goog.require('goog.object');
+goog.require('ol.Array');
+goog.require('ol.Map');
+goog.require('ol.MapProperty');
+goog.require('ol.Projection');
+goog.require('ol.control.DblClickZoom');
+goog.require('ol.control.DragPan');
+goog.require('ol.control.DragZoom');
+goog.require('ol.control.MouseWheelZoom');
+goog.require('ol.dom');
+goog.require('ol.dom.Map');
+goog.require('ol.webgl');
+goog.require('ol.webgl.Map');
+
+
+/**
+ * @define {string} Default projection code.
+ */
+ol.DEFAULT_PROJECTION_CODE = 'EPSG:3857';
+
+
+/**
+ * @define {string} Default user projection code.
+ */
+ol.DEFAULT_USER_PROJECTION_CODE = 'EPSG:4326';
+
+
+/**
+ * @define {boolean} Whether to enable DOM.
+ */
+ol.ENABLE_DOM = true;
+
+
+/**
+ * @define {boolean} Whether to enable WebGL.
+ */
+ol.ENABLE_WEBGL = true;
+
+
+/**
+ * @enum {string}
+ */
+ol.RendererHint = {
+  DOM: 'dom',
+  WEBGL: 'webgl'
+};
+
+
+/**
+ * @type {Array.<ol.RendererHint>}}
+ */
+ol.DEFAULT_RENDERER_HINT = [
+  ol.RendererHint.WEBGL,
+  ol.RendererHint.DOM
+];
+
+
+/**
+ * @param {!HTMLDivElement} target Target.
+ * @param {Object.<string, *>=} opt_values Values.
+ * @param {ol.RendererHint|Array.<ol.RendererHint>=} opt_rendererHints
+ *     Renderer hints.
+ * @return {ol.Map} Map.
+ */
+ol.createMap = function(target, opt_values, opt_rendererHints) {
+
+  var values = {};
+  if (goog.isDef(opt_values)) {
+    goog.object.extend(values, opt_values);
+  }
+
+  if (!goog.object.containsKey(values, ol.MapProperty.CONTROLS)) {
+    var controls = new ol.Array();
+    controls.push(new ol.control.DblClickZoom());
+    controls.push(new ol.control.DragPan());
+    controls.push(new ol.control.DragZoom());
+    controls.push(new ol.control.MouseWheelZoom());
+    values[ol.MapProperty.CONTROLS] = controls;
+  }
+
+  if (!goog.object.containsKey(values, ol.MapProperty.LAYERS)) {
+    values[ol.MapProperty.LAYERS] = new ol.Array();
+  }
+
+  if (!goog.object.containsKey(values, ol.MapProperty.PROJECTION)) {
+    values[ol.MapProperty.PROJECTION] =
+        ol.Projection.getFromCode(ol.DEFAULT_PROJECTION_CODE);
+  }
+
+  if (!goog.object.containsKey(values, ol.MapProperty.USER_PROJECTION)) {
+    values[ol.MapProperty.USER_PROJECTION] =
+        ol.Projection.getFromCode(ol.DEFAULT_USER_PROJECTION_CODE);
+  }
+
+  /**
+   * @type {Array.<ol.RendererHint>}
+   */
+  var rendererHints;
+  if (goog.isDef(opt_rendererHints)) {
+    if (goog.isArray(opt_rendererHints)) {
+      rendererHints = opt_rendererHints;
+    } else {
+      rendererHints = [opt_rendererHints];
+    }
+  } else {
+    rendererHints = ol.DEFAULT_RENDERER_HINT;
+  }
+
+  var i, rendererHint;
+  for (i = 0; i < rendererHints.length; ++i) {
+    rendererHint = rendererHints[i];
+    if (rendererHint == ol.RendererHint.DOM) {
+      if (ol.ENABLE_DOM && ol.dom.isSupported()) {
+        return new ol.dom.Map(target, values);
+      }
+    } else if (rendererHint == ol.RendererHint.WEBGL) {
+      if (ol.ENABLE_WEBGL && ol.webgl.isSupported()) {
+        return new ol.webgl.Map(target, values);
+      }
+    }
+  }
+
+  return null;
+
+};