/// <summary>
/// 鼠标在地图上按下
/// </summary>
/// <param name="e"></param>
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
if (e.Button == System.Windows.Forms.MouseButtons.Left) //左键
{
//检查设置鼠标工作方式
if (new Rectangle(Width - 384 + 26 * 8, 10, 26, 26).Contains(PointToClient(Cursor.Position))) //鼠标定位
{
_cursor_located = !_cursor_located;
Invalidate();
return;
}
else if (new Rectangle(Width - 384 + 26 * 7, 10, 26, 26).Contains(PointToClient(Cursor.Position))) //绘制多边形
{
if (_mouse_type == MouseType.DrawPolygon)
{
_mouse_type = MouseType.None;
_current_cursor_cache = Cursor = Cursors.Arrow;
}
else
{
_mouse_type = MouseType.DrawPolygon;
_current_cursor_cache = Cursor = Cursors.Cross; //特定光标
_current_drawing = null;
_bScreenshotMenu.Visible = false;
}
Invalidate();
return;
}
else if (new Rectangle(Width - 384 + 26 * 6, 10, 26, 26).Contains(PointToClient(Cursor.Position))) //绘制直线
{
if (_mouse_type == MouseType.DrawLine)
{
_mouse_type = MouseType.None;
_current_cursor_cache = Cursor = Cursors.Arrow;
}
else
{
_mouse_type = MouseType.DrawLine;
_current_cursor_cache = Cursor = Cursors.Cross; //特定光标
_current_drawing = null;
_bScreenshotMenu.Visible = false;
}
Invalidate();
return;
}
else if (new Rectangle(Width - 384 + 26 * 5, 10, 26, 26).Contains(PointToClient(Cursor.Position))) //绘制椭圆
{
if (_mouse_type == MouseType.DrawCircle)
{
_mouse_type = MouseType.None;
_current_cursor_cache = Cursor = Cursors.Arrow;
}
else
{
_mouse_type = MouseType.DrawCircle;
_current_cursor_cache = Cursor = Cursors.Cross; //特定光标
_current_drawing = null;
_bScreenshotMenu.Visible = false;
}
Invalidate();
return;
}
else if (new Rectangle(Width - 384 + 26 * 4, 10, 26, 26).Contains(PointToClient(Cursor.Position))) //绘制矩形
{
if (_mouse_type == MouseType.DrawRectange)
{
_mouse_type = MouseType.None;
_current_cursor_cache = Cursor = Cursors.Arrow;
}
else
{
_mouse_type = MouseType.DrawRectange;
_current_cursor_cache = Cursor = Cursors.Cross; //特定光标
_current_drawing = null;
_bScreenshotMenu.Visible = false;
}
Invalidate();
return;
}
else if (new Rectangle(Width - 384 + 26 * 3, 10, 26, 26).Contains(PointToClient(Cursor.Position))) //添加标记点
{
if (_mouse_type == MouseType.DrawMarker)
{
_mouse_type = MouseType.None;
_current_cursor_cache = Cursor = Cursors.Arrow;
}
else
{
_mouse_type = MouseType.DrawMarker;
_current_drawing = null;
_bScreenshotMenu.Visible = false;
}
Invalidate();
return;
}
else if (new Rectangle(Width - 384 + 26 * 2, 10, 26, 26).Contains(PointToClient(Cursor.Position))) //截图
{
if (_current_drawing as BScreenShotRectangle == null)
{
if (_mouse_type == MouseType.DrawScreenshotArea)
{
_mouse_type = MouseType.None;
_current_cursor_cache = Cursor = Cursors.Arrow;
}
else
{
_mouse_type = MouseType.DrawScreenshotArea;
_current_cursor_cache = Cursor = Cursors.Cross; //特定光标
}
Invalidate();
}
return;
}
else if (new Rectangle(Width - 384 + 26 * 1, 10, 26, 26).Contains(PointToClient(Cursor.Position))) //测量距离
{
if (_b_distance == null)
{
if (_mouse_type == MouseType.DrawDistance)
{
_mouse_type = MouseType.None;
_current_cursor_cache = Cursor = Cursors.Arrow;
}
else
{
_mouse_type = MouseType.DrawDistance;
_current_cursor_cache = Cursor = Cursors.Cross; //特定光标
_current_drawing = null;
_bScreenshotMenu.Visible = false;
}
Invalidate();
}
else
{
_b_distance = null;
}
return;
}
else if (new Rectangle(Width - 384, 10, 26, 26).Contains(PointToClient(Cursor.Position))) //矩形区域搜索
{
if (_b_bound == null)
{
if (_mouse_type == MouseType.DrawBound)
{
_mouse_type = MouseType.None;
_current_cursor_cache = Cursor = Cursors.Arrow;
}
else
{
_mouse_type = MouseType.DrawBound;
_current_cursor_cache = Cursor = Cursors.Cross; //特定光标
_current_drawing = null;
_bScreenshotMenu.Visible = false;
}
Invalidate();
}
else
{
_b_bound = null;
_bQuickSearchControl.Visible = false;
}
return;
}
if (new Rectangle(10, 10, 90, 25).Contains(e.Location)) //打开城市切换窗体
{
if (_bCityControl.Visible)
{
_bCityControl.Visible = false;
}
else
{
_bCityControl.Location = new Point(10, 38);
_bCityControl.Visible = true;
_bCityControl.CurrentCity = _currentCity;
}
Invalidate();
return;
}
else if (new Rectangle(Width - 124, 10, 52, 52).Contains(e.Location)) //打开地图加载模式窗体
{
if (_bLoadMapModeControl.Visible)
{
_bLoadMapModeControl.Visible = false;
}
else
{
_bLoadMapModeControl.Location = new Point(Width - 124 + 52 - _bLoadMapModeControl.Width, 10 + 55);
_bLoadMapModeControl.LoadMode = _loadmode;
_bLoadMapModeControl.Visible = true;
}
Invalidate();
return;
}
else if (new Rectangle(Width - 62, 10, 52, 52).Contains(e.Location)) //切换地图模式
{
if (_mode == MapMode.Normal)
{
if (_chkShowRoadNet.Checked)
{
Mode = MapMode.Sate_RoadNet;
}
else
{
Mode = MapMode.Satellite;
}
_chkShowRoadNet.Location = new Point(Width - 62, 65);
_chkShowRoadNet.Visible = true;
}
else
{
Mode = MapMode.Normal;
_chkShowRoadNet.Visible = false;
}
return;
}
if (_mouse_type == MouseType.None) //拖拽地图
{
//判断是否拖拽其他物体 地图优先级最低
if (_current_drawing as BScreenShotRectangle != null) //拖拽截图矩形
{
if ((_current_drawing as BScreenShotRectangle).Rect.Contains(e.Location))
{
_mouse_type = MouseType.DragScreenshotArea;
_current_cursor_cache = Cursor = Cursors.SizeAll;
_previous_point_cache = e.Location;
return;
}
}
if (_theStrangePoint != null && _theStrangePoint.Rect.Contains(e.Location)) //是否点击未知点
{
_current_selected_point = _theStrangePoint;
Point point = MapHelper.GetScreenLocationByLatLng(_current_selected_point.Location, _center, _zoom, ClientSize);
//信息显示控件
_bPointTipControl.BPoint = _current_selected_point;
_bPointTipControl.Location = new Point(point.X - _bPointTipControl.Width / 3 + 35, point.Y - _bPointTipControl.Height - _current_selected_point.Rect.Height);
_bPointTipControl.Visible = true;
return;
}
if (_theRouteStart !=null && _theRouteStart.Rect.Contains(e.Location)) //是否点击路线起点
{
_current_selected_point = _theRouteStart;
Point point = MapHelper.GetScreenLocationByLatLng(_current_selected_point.Location, _center, _zoom, ClientSize);
//信息显示控件
_bPointTipControl.BPoint = _current_selected_point;
_bPointTipControl.Location = new Point(point.X - _bPointTipControl.Width / 3 + 35, point.Y - _bPointTipControl.Height - _current_selected_point.Rect.Height);
_bPointTipControl.Visible = true;
return;
}
if (_theRouteEnd != null && _theRouteEnd.Rect.Contains(e.Location)) //是否点击路线终点
{
_current_selected_point = _theRouteEnd;
Point point = MapHelper.GetScreenLocationByLatLng(_current_selected_point.Location, _center, _zoom, ClientSize);
//信息显示控件
_bPointTipControl.BPoint = _current_selected_point;
_bPointTipControl.Location = new Point(point.X - _bPointTipControl.Width / 3 + 35, point.Y - _bPointTipControl.Height - _current_selected_point.Rect.Height);
_bPointTipControl.Visible = true;
return;
}
foreach (KeyValuePair<string,BPOI> p in _pois) //是否点击POI点
{
if (p.Value.Rect.Contains(e.Location))
{
_current_selected_poi = p.Value;
//显示信息控件
p.Value.Selected = true;
Point point = MapHelper.GetScreenLocationByLatLng(p.Value.Location, _center, _zoom, ClientSize);
_bPOITipControl.POI = _current_selected_poi;
_bPOITipControl.Location = new Point(point.X - _bPOITipControl.Width / 3 + 35, point.Y - _bPOITipControl.Height - _current_selected_poi.Rect.Height - 5);
_bPOITipControl.Visible = true;
foreach (KeyValuePair<string, BPOI> pp in _pois)
{
if (pp.Value != p.Value)
{
pp.Value.Selected = false;
}
}
Invalidate();
//通知BPlacesBoard 同步选择
if (BPlacesBoard != null)
{
BPlacesBoard.SelectPlace(p.Value);
}
return;
}
}
foreach (KeyValuePair<string, BMarker> p in _markers) //是否点击标记点
{
if (p.Value.Rect.Contains(e.Location))
{
_current_selected_marker = p.Value;
//显示标记信息控件
Point point = MapHelper.GetScreenLocationByLatLng(p.Value.Location, _center, _zoom, ClientSize);
_bMarkerTipControl.Deleted = false;
_bMarkerTipControl.Edited = false;
_bMarkerTipControl.Marker = _current_selected_marker;
_bMarkerTipControl.Location = new Point(point.X - _bMarkerTipControl.Width / 3 + 37, point.Y - _bMarkerTipControl.Height - p.Value.Rect.Height);
_bMarkerTipControl.Visible = true;
return;
}
}
_bCityControl.Visible = false;
_bLoadMapModeControl.Visible = false;
_mouse_type = MouseType.DragMap;
_current_cursor_cache = Cursor = Cursors.SizeAll;
_previous_point_cache = e.Location;
}
else if (_mouse_type == MouseType.DrawCircle) //绘制椭圆
{
LatLngPoint theCenter = MapHelper.GetLatLngByScreenLocation(e.Location, _center, _zoom, ClientSize);
_current_drawing = new BCircle { Center = theCenter, RightBottom = theCenter };
}
else if (_mouse_type == MouseType.DrawRectange) //绘制矩形
{
LatLngPoint leftTop = MapHelper.GetLatLngByScreenLocation(e.Location, _center, _zoom, ClientSize);
_current_drawing = new BRectangle { LeftTop = leftTop, RightBottom = leftTop };
}
else if (_mouse_type == MouseType.DrawLine) //绘制直线
{
LatLngPoint p = MapHelper.GetLatLngByScreenLocation(e.Location, _center, _zoom, ClientSize);
if (_current_drawing == null)
{
_current_drawing = new BLine { Points = new List<LatLngPoint> { p, p } };
}
(_current_drawing as BLine).Points.Add(p);
}
else if (_mouse_type == MouseType.DrawPolygon) //绘制多边形
{
LatLngPoint p = MapHelper.GetLatLngByScreenLocation(e.Location, _center, _zoom, ClientSize);
if (_current_drawing == null)
{
_current_drawing = new BPolygon { Points = new List<LatLngPoint> { p, p } };
}
(_current_drawing as BPolygon).Points.Add(p);
}
else if (_mouse_type == MouseType.DrawScreenshotArea) //绘制截图区域
{
_current_drawing = new BScreenShotRectangle { LeftTop = e.Location, Width = 0, Height = 0 };
}
else if (_mouse_type == MouseType.DrawBound) //矩形搜索开始
{
LatLngPoint leftTop = MapHelper.GetLatLngByScreenLocation(e.Location, _center, _zoom, ClientSize);
_b_bound = new BBound { LeftTop = leftTop, RightBottom = leftTop };
}
else if (_mouse_type == MouseType.DrawDistance) //距离测量
{
LatLngPoint p = MapHelper.GetLatLngByScreenLocation(e.Location, _center, _zoom, ClientSize);
if (_b_distance == null)
{
_b_distance = new BDistance { Points = new List<LatLngPoint> { p, p } };
}
_b_distance.Points.Add(p);
}
else if (_mouse_type == MouseType.DrawMarker) //添加标记
{
LatLngPoint p = MapHelper.GetLatLngByScreenLocation(e.Location, _center, _zoom, ClientSize);
((Action)delegate()
{
GeocodingService gs = new GeocodingService();
JObject place = gs.DeGeocoding(p.Lat + "," + p.Lng);
if (place != null)
{
this.Invoke((Action)delegate()
{
BMarker marker = new BMarker { Index = _markers.Count, Location = p, Name = (string)place["result"]["formatted_address"], Remarks = "我的备注", Selected = false, Address = (string)place["result"]["formatted_address"] };
_markers.Add(marker.Index.ToString(), marker);
_bMarkerEditorControl.Saved = false;
_bMarkerEditorControl.Marker = marker;
_bMarkerEditorControl.Location = new Point(e.Location.X - _bMarkerEditorControl.Width / 3 + 37, e.Location.Y - _bMarkerEditorControl.Height - 22);
_bMarkerEditorControl.Visible = true;
_current_selected_marker = marker;
});
}
}).BeginInvoke(null, null);
}
}
if (e.Button == System.Windows.Forms.MouseButtons.Right) //右键弹菜单
{
_right_mouse_point_cache = e.Location;
cm_popup.Show(PointToScreen(e.Location));
}
}
/// <summary>
/// 城市切换
/// </summary>
/// <param name="cityName"></param>
void _bCityControl_SelectedCityChanged(string cityName)
{
_bCityControl.Visible = false;
_currentCity = cityName;
if (BPlaceBox != null) //关联的位置输入框
{
BPlaceBox.CurrentCity = cityName;
}
if (BPlacesBoard != null) //关联的位置列表控件
{
BPlacesBoard.CurrentCity = cityName;
}
if (BDirectionBoard != null) //关联的导航控件
{
BDirectionBoard.CurrentCity = _currentCity;
}
_bMarkerTipControl.CurrentCity = _currentCity;
_bPOITipControl.CurrentCity = _currentCity;
_bPointTipControl.CurrentCity = _currentCity;
Invalidate();
((Action)delegate() //定位到指定城市
{
GeocodingService gs = new GeocodingService();
JObject city_location = gs.Geocoding(_currentCity);
if (city_location != null && city_location["result"] != null)
{
Center = new LatLngPoint(double.Parse((string)city_location["result"]["location"]["lng"]), double.Parse((string)city_location["result"]["location"]["lat"]));
Locate(false);
}
this.Invoke((Action)delegate()
{
Zoom = 12;
Invalidate();
});
}).BeginInvoke(null, null);
}
/// <summary>
/// 右键菜单
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void cm_popup_Click(object sender, EventArgs e)
{
ToolStripMenuItem item = sender as ToolStripMenuItem;
if(item.Name == "cmsWhere") //这是哪里
{
LatLngPoint location = MapHelper.GetLatLngByScreenLocation(_right_mouse_point_cache, _center, _zoom, ClientSize);
((Action)delegate()
{
GeocodingService gs = new GeocodingService();
JObject point = gs.DeGeocoding(location.Lat + "," + location.Lng);
if (point != null) //具体json格式参见api文档
{
this.Invoke((Action)delegate()
{
_current_selected_point = _theStrangePoint = new BPoint { Type = PointType.Strange, Selected = true, Address = (string)point["result"]["formatted_address"], Location = location };
_bPointTipControl.BPoint = _theStrangePoint;
_bPointTipControl.Location = new Point(_right_mouse_point_cache.X - _bPointTipControl.Width / 3 + 37, _right_mouse_point_cache.Y - _bPointTipControl.Height - 34);
_bPointTipControl.Visible = true;
});
}
}).BeginInvoke(null, null);
}
else if (item.Name == "cmsSetStart") //设为起点
{
LatLngPoint location = MapHelper.GetLatLngByScreenLocation(_right_mouse_point_cache, _center, _zoom, ClientSize);
((Action)delegate()
{
GeocodingService gs = new GeocodingService();
JObject point = gs.DeGeocoding(location.Lat + "," + location.Lng);
if (point != null) //具体json格式参见api文档
{
this.Invoke((Action)delegate()
{
_current_selected_point = _theRouteStart = new BPoint { Type = PointType.RouteStart, Selected = true, Address = (string)point["result"]["formatted_address"], Location = location };
_bPointTipControl.BPoint = _theRouteStart;
_bPointTipControl.Location = new Point(_right_mouse_point_cache.X - _bPointTipControl.Width / 3 + 37, _right_mouse_point_cache.Y - _bPointTipControl.Height - 34);
_bPointTipControl.Visible = true;
BDirectionBoard.SourcePlace = _theRouteStart.Address;
});
}
}).BeginInvoke(null, null);
}
else if (item.Name == "cmsSetEnd") //设为终点
{
LatLngPoint location = MapHelper.GetLatLngByScreenLocation(_right_mouse_point_cache, _center, _zoom, ClientSize);
((Action)delegate()
{
GeocodingService gs = new GeocodingService();
JObject point = gs.DeGeocoding(location.Lat + "," + location.Lng);
if (point != null) //具体json格式参见api文档
{
this.Invoke((Action)delegate()
{
_current_selected_point = _theRouteEnd = new BPoint { Type = PointType.RouteEnd, Selected = true, Address = (string)point["result"]["formatted_address"], Location = location };
_bPointTipControl.BPoint = _theRouteEnd;
_bPointTipControl.Location = new Point(_right_mouse_point_cache.X - _bPointTipControl.Width / 3 + 37, _right_mouse_point_cache.Y - _bPointTipControl.Height - 34);
_bPointTipControl.Visible = true;
BDirectionBoard.DestinationPlace = _theRouteEnd.Address;
});
}
}).BeginInvoke(null, null);
}
else if (item.Name == "cmsCenter") //居中
{
LatLngPoint lp = MapHelper.GetLatLngByScreenLocation(PointToClient(Cursor.Position), _center, _zoom, ClientSize);
Center = lp;
Locate(false);
SyncControlsLocation();
}
else if (item.Name == "cmsLarge") //放大
{
int z = _zoom + 1;
if (z >= 3 && z <= 19)
{
Zoom = z;
Locate(false);
SyncControlsLocation();
}
}
else if (item.Name == "cmsSmall") //缩小
{
int z = _zoom - 1;
if (z >= 3 && z <= 19)
{
Zoom = z;
Locate(false);
SyncControlsLocation();
}
}
else if (item.Name == "cmsClearDrawings") //清空绘图
{
_drawingObjects.Clear();
}
else if (item.Name == "cmsClearMarkers") //清空标记
{
_markers.Clear();
}
else if (item.Name == "cmsRegionSaveAs") //可视区域另存为
{
using (SaveFileDialog sf = new SaveFileDialog())
{
sf.CheckPathExists = true;
sf.Filter = "PNG文件(*.png)|*.png";
sf.DefaultExt = ".png";
if (sf.ShowDialog() == DialogResult.OK)
{
Bitmap b = new Bitmap(Width, Height);
this.DrawToBitmap(b, ClientRectangle);
b.Save(sf.FileName);
}
}
}
Invalidate();
}
/// <summary>
/// 定位
/// </summary>
/// <param name="mylocation">为true表示定位自己 否则定位当前地图中的城市</param>
private void Locate(bool mylocation)
{
//定位位置
((Action)(delegate()
{
if (mylocation) //定位自己
{
IPService ips = new IPService();
JObject _location = ips.LocationByIP();
if (_location != null && _location["content"] != null)
{
_currentCity = (string)(_location["content"]["address_detail"]["city"]); //返回JSON结构请参见百度API文档
_center = new LatLngPoint(double.Parse((string)_location["content"]["point"]["x"]), double.Parse((string)_location["content"]["point"]["y"]));
}
}
else //定位地图中心点
{
GeocodingService gs = new GeocodingService();
JObject _location = gs.DeGeocoding(_center.Lat + "," + _center.Lng);
if (_location != null)
{
if (_location["result"] != null && _location["result"]["addressComponent"] != null)
{
if (_zoom <= 8) //定位到国家
{
_currentCity = (string)(_location["result"]["addressComponent"]["country"]); //返回JSON结构请参见百度API文档
}
else if (_zoom <= 10) //定位到省份
{
_currentCity = (string)(_location["result"]["addressComponent"]["province"]); //返回JSON结构请参见百度API文档
}
else if (_zoom <= 18) //定位到城市
{
if (_location["result"]["addressComponent"]["city"] != null)
_currentCity = (string)(_location["result"]["addressComponent"]["city"]); //返回JSON结构请参见百度API文档
}
//else //定位到县区
//{
// if (_location["result"]["addressComponent"]["district"] != null)
// _currentCity = (string)(_location["result"]["addressComponent"]["district"]); //返回JSON结构请参见百度API文档
//}
}
}
}
this.Invoke((Action)delegate()
{
Invalidate();
if (BPlaceBox != null) //关联的位置输入控件
{
BPlaceBox.CurrentCity = _currentCity;
}
if (BPlacesBoard != null) //关联的位置列表控件
{
BPlacesBoard.CurrentCity = _currentCity;
}
if (BDirectionBoard != null) //关联的导航控件
{
BDirectionBoard.CurrentCity = _currentCity;
}
_bMarkerTipControl.CurrentCity = _currentCity;
_bPOITipControl.CurrentCity = _currentCity;
_bPointTipControl.CurrentCity = _currentCity;
});
})).BeginInvoke(null, null);
}
