/// <summary>
/// 清空导航控件（初始化）
/// </summary>
public void Clear()
{
flpRoutes.Controls.Clear();
if (BMapControl != null)
{
BMapControl.SetRoute(null); //
BMapControl.SetRouteStartAndEnd(null, null);
}
}
/// <summary>
/// 开启搜索
/// </summary>
internal void StartSearch()
{
flpRoutes.Controls.Clear();
if (BMapControl != null)
{
BMapControl.SetRoute(null); //
BMapControl.SetRouteStartAndEnd(null, null);
}
if (BPlacesBoard != null) //位置列表初始化
{
BPlacesBoard.Clear();
}
_wait.Visible = true; //等待
((Action) delegate()
{
JObject routes;
DirectionV1Service ds = new DirectionV1Service();
if (_current_method == 0) //公交
{
if (bPlaceBoxSource.City != "" && bPlaceBoxDestination.City != "" && bPlaceBoxSource.City != bPlaceBoxDestination.City)
{
MessageBox.Show("公交导航时，两地城市必须一致！");
return;
}
routes = ds.DirectionByTransit(bPlaceBoxSource.QueryText, bPlaceBoxDestination.QueryText, _currentCity);
}
else if (_current_method == 1) //驾车
{
routes = ds.DirectionByDriving(bPlaceBoxSource.QueryText, bPlaceBoxDestination.QueryText, bPlaceBoxSource.City == "" ? bPlaceBoxSource.CurrentCity : bPlaceBoxSource.City
, bPlaceBoxDestination.City == "" ? bPlaceBoxDestination.CurrentCity : bPlaceBoxDestination.City);
}
else //步行
{
if (bPlaceBoxSource.City != "" && bPlaceBoxDestination.City != "" && bPlaceBoxSource.City != bPlaceBoxDestination.City)
{
MessageBox.Show("步行导航时，两地城市必须一致！");
return;
}
routes = ds.DirectionByWalking(bPlaceBoxSource.QueryText, bPlaceBoxDestination.QueryText, _currentCity);
}
if (routes != null && (string)routes["status"] == "0") //搜索成功
{
this.Invoke((Action) delegate()
{
_wait.Visible = false;
if ((string)routes["type"] == "2") //正常结果
{
//生成起点终点
BPoint start = new BPoint {
Type = PointType.RouteStart, Selected = false, Address = bPlaceBoxSource.QueryText, Location = new LatLngPoint(double.Parse((string)routes["result"]["origin"]["originPt"]["lng"]), double.Parse((string)routes["result"]["origin"]["originPt"]["lat"]))
};
BPoint end = new BPoint {
Type = PointType.RouteEnd, Selected = false, Address = bPlaceBoxDestination.QueryText, Location = new LatLngPoint(double.Parse((string)routes["result"]["destination"]["destinationPt"]["lng"]), double.Parse((string)routes["result"]["destination"]["destinationPt"]["lat"]))
};
if (BMapControl != null)
{
BMapControl.SetRouteStartAndEnd(start, end); //设置地图中对应的起点 终点
}
if (_current_method == 0) //公交
{
BTaxiTipControl taxi = new BTaxiTipControl();
taxi.DataSource = routes["result"]["taxi"]; //打车信息
taxi.Width = flpRoutes.Width - 25;
flpRoutes.Controls.Add(taxi);
foreach (JObject route in routes["result"]["routes"])
{
BTransitRouteItem item = new BTransitRouteItem();
BStepStartAndEndItem origin = new BStepStartAndEndItem();
origin.EndPoint = start;
item.Origin = origin; //起点
BStepStartAndEndItem destination = new BStepStartAndEndItem();
destination.EndPoint = end;
item.Destination = destination; //终点
item.DataSource = new BRoute {
Type = RouteType.Transit, DataSource = route
};
flpRoutes.Controls.Add(item);
item.Width = flpRoutes.Width - 25;
item.StepEndPointSelected += new StepEndPointSelectedEventHandler(item_StepEndPointSelected);
item.StepSelected += new StepSelectedEventHandler(item_StepSelected);
item.RouteSelected += new RouteSelectedEventHandler(item_RouteSelected);
}
}
else if (_current_method == 1) //驾车
{
BTaxiTipControl taxi = new BTaxiTipControl();
taxi.DataSource = routes["result"]["taxi"]; //打车信息
taxi.Width = flpRoutes.Width - 25;
flpRoutes.Controls.Add(taxi);
foreach (JObject route in routes["result"]["routes"])
{
BDrivingRouteItem item = new BDrivingRouteItem();
BStepStartAndEndItem origin = new BStepStartAndEndItem();
origin.EndPoint = start;
item.Origin = origin; //起点
BStepStartAndEndItem destination = new BStepStartAndEndItem();
destination.EndPoint = end;
item.Destination = destination; //终点
item.DataSource = new BRoute {
DataSource = route, Type = RouteType.Driving
};
flpRoutes.Controls.Add(item);
item.Width = flpRoutes.Width - 25;
item.StepEndPointSelected += new StepEndPointSelectedEventHandler(item_StepEndPointSelected);
item.StepSelected += new StepSelectedEventHandler(item_StepSelected);
item.RouteSelected += new RouteSelectedEventHandler(item_RouteSelected);
}
}
else //步行
{
//步行没有打车信息
foreach (JObject route in routes["result"]["routes"])
{
BWalkingRouteItem item = new BWalkingRouteItem();
BStepStartAndEndItem origin = new BStepStartAndEndItem();
origin.EndPoint = start;
item.Origin = origin; //起点
BStepStartAndEndItem destination = new BStepStartAndEndItem();
destination.EndPoint = end;
item.Destination = destination; //终点
item.DataSource = new BRoute {
DataSource = route, Type = RouteType.Walking
};
flpRoutes.Controls.Add(item);
item.Width = flpRoutes.Width - 25;
item.StepEndPointSelected += new StepEndPointSelectedEventHandler(item_StepEndPointSelected);
item.StepSelected += new StepSelectedEventHandler(item_StepSelected);
item.RouteSelected += new RouteSelectedEventHandler(item_RouteSelected);
}
}
}
else //地址模糊 需重新选择 具体json格式参见api文档
{
//
string start_keyword = (string)routes["result"]["originInfo"]["wd"];
string end_keyword = (string)routes["result"]["destinationInfo"]["wd"];
Label l = new Label();
l.AutoSize = false;
l.ForeColor = Color.Red;
l.Width = flpRoutes.Width - 25; l.Height = 20;
l.TextAlign = ContentAlignment.MiddleCenter;
l.Text = "请选择准确的位置";
flpRoutes.Controls.Add(l);
if (routes["result"]["origin"] != null) //起点模糊
{
if (routes["result"]["origin"] is JArray) //公交
{
BPlacesSuggestionControl sugg_start = new BPlacesSuggestionControl();
sugg_start.Type = PointType.RouteStart;
sugg_start.KeyWord = start_keyword;
sugg_start.Content = routes["result"]["origin"];
sugg_start.Width = flpRoutes.Width - 25;
sugg_start.EndPointSelected += new EndPointSelectedEventHandler(sugg_start_EndPointSelected);
flpRoutes.Controls.Add(sugg_start);
}
else //驾车 步行
{
BPlacesSuggestionControl sugg_start = new BPlacesSuggestionControl();
sugg_start.Type = PointType.RouteStart;
sugg_start.KeyWord = start_keyword;
sugg_start.Content = routes["result"]["origin"]["content"];
sugg_start.Width = flpRoutes.Width - 25;
sugg_start.EndPointSelected += new EndPointSelectedEventHandler(sugg_start_EndPointSelected);
flpRoutes.Controls.Add(sugg_start);
}
}
if (routes["result"]["destination"] != null) //终点模糊
{
if (routes["result"]["destination"] is JArray) //公交
{
BPlacesSuggestionControl sugg_end = new BPlacesSuggestionControl();
sugg_end.Type = PointType.RouteEnd;
sugg_end.KeyWord = end_keyword;
sugg_end.Content = routes["result"]["destination"];
sugg_end.Width = flpRoutes.Width - 25;
sugg_end.EndPointSelected += new EndPointSelectedEventHandler(sugg_end_EndPointSelected);
flpRoutes.Controls.Add(sugg_end);
}
else
{
BPlacesSuggestionControl sugg_end = new BPlacesSuggestionControl();
sugg_end.Type = PointType.RouteEnd;
sugg_end.KeyWord = end_keyword;
sugg_end.Content = routes["result"]["destination"]["content"];
sugg_end.Width = flpRoutes.Width - 25;
sugg_end.EndPointSelected += new EndPointSelectedEventHandler(sugg_end_EndPointSelected);
flpRoutes.Controls.Add(sugg_end);
}
}
}
});
}
}).BeginInvoke(null, null);
}