/**
* @fileOverView 高德地图的基础控制类
* @author yi.z
* @date 2014-02-19
*/
var AMaper = function (config) {
var me = this,
mapObj = null,
markerMap = {},
infoWindowMap = {};
/**
* 初始化地图
* @param data.mapInner: 加载地图的div的id 默认为mapDiv
* @param data.lng: 经度
* @param data.lat: 纬度
*/
me.init = function (data) {
var scrollWheel = true;
if (config.scrollWheel == false) {
scrollWheel = false;
}
if (document.getElementById(data.mapInner)) {
mapObj = new AMap.Map(data.mapInner, {
center: new AMap.LngLat(data.lng, data.lat),
level: 12,
scrollWheel: scrollWheel
});
googleLayer = new AMap.TileLayer({
zIndex: 2, getTileUrl: function (t, e, o) {
return "http://mt1.google.cn/vt/lyrs=m@142&hl=zh-CN&gl=cn&x=" + t + "&y=" + e + "&z=" + o + "&s=Galil"
}
});
googleLayer.setMap(mapObj);
//加载工具条插件
mapObj.plugin("AMap.ToolBar", function () {
toolbar = new AMap.ToolBar({
direction: config.direction,//隐藏方向导航
ruler: config.ruler,//隐藏视野级别控制尺
autoPosition: config.autoPosition//禁止自动定位
});
mapObj.addControl(toolbar);
toolbar.show(); //显示工具条
});
/*
拖拽事件dragstart\dragging\dragend
*/
AMap.event.addListener(mapObj, 'click', function (e) {
if (config.clickListener && $.type(config.clickListener) == "function") {
config.clickListener();
}
me.hideInfoWindows();
});
}
};
/**
* 设置地图中心点
* @param 中心点经纬度对象
*/
me.setCenter = function (latLng) {
mapObj.setCenter(latLng);
};
/**
* 获取地图中心点经纬度对象
*/
me.getCenter = function () {
return mapObj.getCenter();
};
/**
* 设置地图缩放级别
*/
me.setZoom = function (num) {
mapObj.setZoom(num);
};
/**
* 获取地图缩放级别
*/
me.getZoom = function () {
return mapObj.getZoom();
};
/**
* 清除地图上的覆盖物
*/
me.clearMap = function () {
//mapObj.clearInfoWindow();
//mapObj.removeOverlays();
//mapObj.clearOverlays();
markerMap = {};
infoWindowMap = {};
mapObj.clearMap();
};
/**
* 调整到合理视野
*/
me.setFitView = function () {
var center = mapObj.setFitView().getCenter();
return {
lat: center.lat,
lng: center.lng
};
};
/**
* 添加多个带文本poi点
* @param arr
*/
me.addMarkers = function (arr) {
var len = arr.length,
i = 0;
for (; i < len; i++) {
me.addMarker(arr[i]);
}
};
/**
* 添加一个带文本poi点
* @param addEventListener 添加点是给点添加事件
* @param data.id
* @param data.lng 经度
* @param data.lat 纬度
* @param data.markerHtml 点的html结果 传html 是为了和业务分离
* //-----以下参数暂时不用
* @param data.name 文本
* @param data.num 编号
* @param data.type 类型 是poi还是hotel
*/
me.addMarker = function (data, addEventListener) {
var id = data.id,
latLng = new AMap.LngLat(data.lng, data.lat);
var marker = new AMap.Marker({
map: mapObj,
position: latLng, //基点位置
offset: new AMap.Pixel(-18, -36), //相对于基点的偏移位置
draggable: false, //是否可拖动
content: $(data.markerHtml)[0] //自定义点标记覆盖物内容 注意这里需要一个DOM对象
});
marker.setMap(mapObj); //在地图上添加点
var $that = $(marker.getContent());
addEventListener($that, latLng);
markerMap[id] = marker;
};
me.getMarkerDom = function (id) {
var marker = markerMap[id];
if (marker) {
return $(marker.getContent());
}
};
/**
* 删除一个点
* @param id
*/
me.removeMarker = function (id) {
var marker = markerMap[id];
marker.setMap(null);
};
/**
* 删除多个点
* @param id Array
*/
me.removeMarkers = function (idArr) {
var len = idArr.length,
i = 0;
for (; i < len; i++) {
me.removeMarker(idArr[i]);
}
};
/**
* 创建或获取之前的对象，在打开信息窗口
* @param addEventListener 显示信息窗口时添加事件
* @param data.latLng 点的经纬度对象
* @param data.id 点的id
* @param data.infoHtml 信息窗口的html
* @param data.gOffset 针对谷歌地图的窗口偏移
* @param data.aOffset 针对高德地图的窗口偏移
*/
me.createInfo = function (data, addEventListener) {
var id = data.id,
infoWindow = infoWindowMap[id];
if (!infoWindow) {
var info = $(data.infoHtml)[0],
offset = data.aOffset || [-78, -47];
infoWindow = new AMap.InfoWindow({
isCustom: true,
//offset:new AMap.Pixel(-78, -47),
//offset:new AMap.Pixel(-23, -113),
offset: new AMap.Pixel(offset[0], offset[1]),
content: info
});
infoWindowMap[id] = infoWindow;
addEventListener($(info));
}
infoWindow.open(mapObj, data.latLng);
}
/**
* 检查一个info是否存在
* @param id
*/
me.checkInfo = function (id) {
if (infoWindowMap[id]) {
return true;
}
return false;
};
/**
* 获取一个info
* @param id
*/
me.getInfo = function (id) {
var infoWindow = infoWindowMap[id];
if (infoWindow) {
return infoWindow;
}
return null;
};
/**
* 打开信息窗口
* @param id
* @param latLng 点的经纬度对象
*/
me.openInfo = function (id) {
var infoWindow = me.getInfo(id);
infoWindow.open(mapObj);
};
/**
* 隐藏一个信息窗口
*/
me.hideInfoWindow = function (id) {
var infoWindow = infoWindowMap[id];
if (infoWindow) {
infoWindow.close();
}
};
/**
* 隐藏信息窗口
* 优化 避免重复创建信息窗口
*/
me.hideInfoWindows = function () {
for (var i in infoWindowMap) {
if (infoWindowMap.hasOwnProperty(i)) {
var infoWindow = infoWindowMap[i];
infoWindow.close();
}
}
};
/**
* 彻底消除信息窗口
*/
me.clearInfoWindow = function () {
infoWindowArr = {};
mapObj.clearInfoWindow();
};
/**
* 绘制路线
* @param data.start_xy
* @param data.end_xy
* @param data.steps
*/
me.drawRoute = function (data) {
var steps = data.steps;
/* 起点到路线的起点 路线的终点到终点 绘制无道路部分 */
var extra_path1 = new Array();
extra_path1.push(data.start_xy);
extra_path1.push(steps[0].path[0]);
var extra_line1 = new AMap.Polyline({
map: mapObj,
path: extra_path1,
strokeColor: "#71b7fc",
strokeOpacity: 0.8,
strokeWeight: 6,
strokeStyle: "dashed",
strokeDasharray: [7, 5]
});
var extra_path2 = new Array();
var path_xy = steps[(steps.length - 1)].path;
extra_path2.push(data.end_xy);
extra_path2.push(path_xy[(path_xy.length - 1)]);
var extra_line2 = new AMap.Polyline({
map: mapObj,
path: extra_path2,
strokeColor: "#71b7fc",
strokeOpacity: 0.8,
strokeWeight: 6,
strokeStyle: "dashed",
strokeDasharray: [7, 5]
});
for (var s = 0; s < steps.length; s++) {
var drawpath = steps[s].path;
var polyline = new AMap.Polyline({
map: mapObj,
path: drawpath,
strokeColor: "#71b7fc",
strokeOpacity: 0.8,
strokeWeight: 6
});
}
};
/**
* 绘制步行导航路线
* @param arr 多个poi点的数组
* @param callBack 回调函数
*/
me.drawWalkRoute = function (langArr, callBack) {
var len = langArr.length,
j = 0;
for (; j < len - 1; j++) {
if (j > 0) {
callBack = function () { };
}
drawWalk([langArr[j], langArr[j + 1]], callBack);
}
};
/**
* 绘制两点间的步行导航路线
* @param arr 两个poi点的数组
* @param callBack 回调函数
*/
function drawWalk(arr, callBack) {
var start_xy = new AMap.LngLat(arr[0].lng, arr[0].lat);
var end_xy = new AMap.LngLat(arr[1].lng, arr[1].lat);
var MWalk;
mapObj.plugin(["AMap.Walking"], function () {
MWalk = new AMap.Walking(); //构造路线导航类
//返回导航查询结果
AMap.event.addListener(MWalk, "complete", function (data) {
var result = { msg: 0 };
if (data && data.routes && data.routes.length > 0) {
var routes = data.routes;
result.msg = 1;
var steps = routes[0].steps;
if (steps && $.isArray(steps) && steps.length > 0) {
me.drawRoute({
start_xy: start_xy,
end_xy: end_xy,
steps: steps
});
}
result.distance = routes[0].distance;
result.time = routes[0].time;
result.steps = [];
var len = steps.length,
i = 0;
for (; i < len; i++) {
result.steps.push(steps[i].instruction);
}
}
callBack(result);
});
MWalk.search(start_xy, end_xy); //根据起终点坐标规划步行路线
});
}
/**
* 绘制驾车导航路线
* @param langArr 多个poi点的数组
* @param callBack 回调函数
*/
me.drawDriveRoute = function (langArr, callBack) {
var len = langArr.length,
j = 0;
for (; j < len - 1; j++) {
if (j > 0) {
callBack = function () { };
}
drawDrive([langArr[j], langArr[j + 1]], callBack);
}
};
/**
* 绘制两点间的驾车导航路线
* @param arr 两个poi点的数组
* @param callBack 回调函数
*/
function drawDrive(arr, callBack) {
var start_xy = new AMap.LngLat(arr[0].lng, arr[0].lat);
var end_xy = new AMap.LngLat(arr[1].lng, arr[1].lat);
var MDrive;
mapObj.plugin(["AMap.Driving"], function () {
var DrivingOption = {
//驾车策略，包括 LEAST_TIME，LEAST_FEE, LEAST_DISTANCE,REAL_TRAFFIC
policy: AMap.DrivingPolicy.LEAST_TIME
};
MDrive = new AMap.Driving(DrivingOption); //构造驾车导航类
AMap.event.addListener(MDrive, "complete", function (data) {
var result = { msg: 0 };
if (data && data.routes && data.routes.length > 0) {
var routes = data.routes;
result.msg = 1;
var steps = routes[0].steps;
if (steps && $.isArray(steps) && steps.length > 0) {
me.drawRoute({
start_xy: start_xy,
end_xy: end_xy,
steps: steps
});
}
result.distance = routes[0].distance;
result.time = routes[0].time;
result.steps = [];
var len = steps.length,
i = 0;
for (; i < len; i++) {
result.steps.push(steps[i].instruction);
}
}
callBack(result);
}); //返回导航查询结果
MDrive.search(start_xy, end_xy); //根据起终点坐标规划驾车路线
});
}
/**
* 绘制公交线路
*/
me.drawPublicTransitLine = function (busArr, walkArr) {//绘制乘车的路线
var i = 0,
j = 0,
busLen = busArr.length,
walkLen = walkArr.length;
for (var j = 0; j < busLen; j++) {
new AMap.Polyline({
map: mapObj,
path: busArr[j],
strokeColor: "#71b7fc",//线颜色
strokeOpacity: 0.8,//线透明度
strokeWeight: 6//线宽
});
}
//绘制步行的路线
for (var i = 0; i < walkLen; i++) {
new AMap.Polyline({
map: mapObj,
path: walkArr[i],
strokeColor: "#71b7fc", //线颜色
strokeOpacity: 0.8, //线透明度
strokeWeight: 6//线宽
});
}
};
/**
* 绘制公交导航路线
* @param langArr 多个poi点的数组
* @param callBack 回调函数
*/
me.drawPublicTransitRoute = function (langArr, callBack) {
var len = langArr.length,
j = 0;
for (; j < len - 1; j++) {
if (j > 0) {
callBack = function () { };
}
drawPublicTransit([langArr[j], langArr[j + 1]], callBack);
}
};
/**
* 绘制两点之间的公交导航路线
* @param arr 两个poi点的数组
* @param callBack 回调函数
*/
function drawPublicTransit(arr, callBack) {
var start_xy = new AMap.LngLat(arr[0].lng, arr[0].lat);
var end_xy = new AMap.LngLat(arr[1].lng, arr[1].lat);
var trans,
city = arr[0].city || "";
/* 加载公交换乘插件 */
mapObj.plugin(["AMap.Transfer"], function () {
transOptions = {
city: city, /* 公交城市 */
policy: AMap.TransferPolicy.LEAST_TIME /* 乘车策略 */
};
/* 构造公交换乘类 */
trans = new AMap.Transfer(transOptions);
/* 返回导航查询结果 */
AMap.event.addListener(trans, "complete", function (data) {
var result = { msg: 0 };
if (data.plans && data.plans.length > 0) {
/* 只取第一个路线方式 */
var plans = data.plans[0],
busArr = [],
walkArr = [];
result.distance = plans.distance;
result.time = plans.time;
result.steps = [];
segments = plans.segments;
if (segments && segments.length > 0) {
result.msg = 1;
var len = segments.length,
i = 0;
for (; i < len; i++) {
var s = segments[i];
if (s.transit_mode == "WALK") {
walkArr.push(s.transit.path);
} else {
busArr.push(s.transit.path);
}
result.steps.push(s.instruction);
}
me.drawPublicTransitLine(busArr, walkArr);
}
}
callBack(result);
});
//显示错误信息
AMap.event.addListener(trans, "error", function (e) {
var result = { msg: 0 };
callBack(result);
});
//根据起、终点坐标查询公交换乘路线
trans.search(start_xy, end_xy);
});
}
};
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