//二维三维的地图点击事件

 // https://github.com/openlayers/ol3/blob/v3.19.0/src/ol/events/eventtype.js

define(['watermap'],function(watermap) {

  var clickHandler;

  var layerNameFliter;

  /**

   * initMapEvents - 初始化地图事件 鼠标移动以及鼠标单击事件

   *

   *

   * @return {type} Description

   */

  var initMapEvents = function() {

      $('#' + watermap.config.target).on('mousemove touchmove', function(browserEvent) {

          var pixel = watermap.map.getEventPixel(browserEvent.originalEvent);

          HandleFeaturesAtPixelForMove(pixel);

      });

      $('#' + watermap.config.target).on('click touchstart', function(browserEvent) {

          var pixel = watermap.map.getEventPixel(browserEvent.originalEvent);

          var features = getFeaturesAtPixelForClick(pixel);

          if (watermap.MapEvent.clickHandler) {

              watermap.MapEvent.clickHandler(features);

          }

      });

  };

  /**

   * setLayerFliters - 设置点击以及鼠标滑过去的图层过滤

   *

   * @param {type} layerNameArray Description

   *

   * @return {type} Description

   */

  var setLayerFliters = function(layerNameArray) {

      this.layerNameFliter = layerNameArray;

  };

  var addClickHandle = function(handler) {

      if (handler && typeof(handler) == 'function') {

          this.clickHandler = handler;

      } else {

          console.log("click handler you add is not a function");

      }

  };

  /**

   * HandleFeaturesAtPixelForMove - 依据pixel 获取对应的ol.features - Description

   *

   * @param {type} pixel Description

   *

   * @return {type} Description

   */

  var HandleFeaturesAtPixelForMove = function(pixel) {

      var features = [];

      if (watermap.ol3d && watermap.ol3d.getEnabled()) {

          var pickedObject = watermap.ol3d.getCesiumScene().pick(new Cesium.Cartesian2(pixel[0], pixel[1]));

          watermap.ol3d.canvas_.style.cursor = 'auto';

          if (typeof pickedObject !== "undefined") {

              // features.push(pickedObject.primitive.olFeature);

              watermap.ol3d.canvas_.style.cursor = 'pointer';

          }

      } else {

          watermap.map.getViewport().style.cursor = 'auto';

          watermap.map.forEachFeatureAtPixel(pixel, function(feature) {

                  watermap.map.getViewport().style.cursor = 'pointer';

              },

              undefined,

              function(layer) { //标注图层过滤

                  var layerName = layer.get('name');

                  if (watermap.MapEvent.layerNameFliter && watermap.MapEvent.layerNameFliter.indexOf(layerName)>=0) {

                      return true;

                  }

                  return false;

              });

      }

      return features;

  };

  /**

   * getFeaturesAtPixelForClick - 依据pixel 获取对应的ol.features - Description

   *

   * @param {type} pixel Description

   *

   * @return {type} Description

   */

  var getFeaturesAtPixelForClick = function(pixel) {

      var features = [];

      if (watermap.ol3d && watermap.ol3d.getEnabled()) {

          var pickedObject = watermap.ol3d.getCesiumScene().pick(new Cesium.Cartesian2(pixel[0], pixel[1]));

          if (typeof pickedObject !== "undefined") {

              features.push(pickedObject.primitive.olFeature);

          }

      } else {

          watermap.map.forEachFeatureAtPixel(pixel, function(feature) {

                  var featureShow;

                  features.push(feature);

              },

              undefined,

              function(layer) { //标注图层过滤

                var layerName = layer.get('name');

                if (watermap.MapEvent.layerNameFliter && watermap.MapEvent.layerNameFliter.indexOf(layerName)>=0) {

                    return true;

                }

                return false;

              });

      }

      return features;

  };

    return {

      initMapEvents:initMapEvents,

      clickHandler: clickHandler,

      layerNameFliter: layerNameFliter,

      setLayerFliters:setLayerFliters,

      addClickHandle: addClickHandle,

    };

});