namespace CustomMap.Lib
{
/*
* 功能描述
* 本类应该有一个强大的图层管理功能
* 至少应该要具有如下的方法:
* 1.插入用户控件,参数有:所在图层,位置信息,控件信息
* 2.模式设置:是卫星地图/路径地图
* 3.定位中心点:缩放级别/中心点
* 4.测距:点集
* 5.添加/清理标注信息
* 6.清除指定图层/清除所有图层
* 7.图例的操作
* 8.保障好在加载不同的地图时,一切均能正常
*/
/// <summary>
/// 地图操作控件
/// </summary>
public class MapEx : Microsoft.Maps.MapControl.Map
{
#region 字段声明
/// <summary>
/// 偏移经度
/// </summary>
private double dLongWarp = 0;
/// <summary>
/// 偏移纬度
/// </summary>
private double dLatWarp = 0;
#endregion
#region 属性声明
/// <summary>
/// 图层名称集合
/// </summary>
private List<MapLayerInfo> listLayer = null;
public List<MapLayerInfo> ListLayer
{
get
{
return listLayer;
}
}
#endregion
#region 构造函数
/// <summary>
/// 构造函数
/// </summary>
public MapEx()
{
listLayer = new List<MapLayerInfo>();
#region 事件注册
this.MapForeground.TemplateApplied += delegate(object sender, EventArgs args)
{
this.MapForeground.NavigationBar.TemplateApplied += new EventHandler(NavigationBar_TemplateApplied);
};
this.LoadingError += delegate(object sender, LoadingErrorEventArgs e)
{
//移除 Unable to contact server 的错误消息
try
{
(VisualTreeHelper.GetChild(this, 0) as MapLayer).Children.Remove(VisualTreeHelper.GetChild(VisualTreeHelper.GetChild(this, 0), 5) as LoadingErrorMessage);
}
catch { }
};
#endregion
btnRoad_Click(null, null);
}
#endregion
#region 地图自定义菜单操作
void NavigationBar_TemplateApplied(object sender, EventArgs e)
{
//清除导航菜单上现有项
NavigationBar navBar = this.MapForeground.NavigationBar;
navBar.HorizontalPanel.Children.Clear();
navBar.VerticalPanel.Children.Clear();
//添加自定义导航菜单项
ChangeMapModeButton btnAerial = new ChangeMapModeButton(new AerialMode(true), "卫星地图", "点击导航到卫星地图");
btnAerial.IsChecked = true;
navBar.HorizontalPanel.Children.Add(btnAerial);
btnAerial.Click += new RoutedEventHandler(btnAerial_Click);
ChangeMapModeButton btnRoad = new ChangeMapModeButton(new RoadMode(), "路径地图", "点击导航到路径地图");
btnRoad.IsChecked = false;
navBar.HorizontalPanel.Children.Add(btnRoad);
btnRoad.Click += new RoutedEventHandler(btnRoad_Click);
ChangeMapModeButton btnStreet = new ChangeMapModeButton(new RoadMode(), "街道地图", "点击导航到街道地图");
btnStreet.IsChecked = false;
navBar.HorizontalPanel.Children.Add(btnStreet);
btnStreet.Click += new RoutedEventHandler(btnStreet_Click);
}
/// <summary>
/// 卫星地图
/// </summary>
void btnAerial_Click(object sender, RoutedEventArgs e)
{
//中文地图---目前Bing因为法律问题暂时不支持中文卫星地图访问
MapTileLayer tileLayer = new MapTileLayer();
GoogleWXSource gts = new GoogleWXSource();
tileLayer.TileSources.Add(gts);
this.Children.Add(tileLayer);
this.Mode = new AerialMode();
dLatWarp = 0;
dLongWarp = 0;
}
/// <summary>
/// 路径地图
/// </summary>
void btnRoad_Click(object sender, RoutedEventArgs e)
{
MapTileLayer tileLayer = new MapTileLayer();
GoogleTileSource gts = new GoogleTileSource();
tileLayer.TileSources.Add(gts);
this.Children.Add(tileLayer);
this.Mode = new MercatorMode();
dLatWarp = -0.00041397;
dLongWarp = 0.00557889;
}
/// <summary>
/// 街道地图
/// </summary>
void btnStreet_Click(object sender, RoutedEventArgs e)
{
MapTileLayer tileLayer = new MapTileLayer();
StreetTileSource sts = new StreetTileSource();
tileLayer.TileSources.Add(sts);
this.Children.Add(tileLayer);
this.Mode = new MercatorMode();
dLatWarp = -0.0007038;
dLongWarp = 0.0054717;
}
#endregion
#region 地图操作方法
/// <summary>
/// 地图中心点定位
/// </summary>
/// <param name="latitude">纬度</param>
/// <param name="longitude">经度</param>
/// <param name="zoomLevel">缩放级别</param>
public void SetPosition(double latitude, double longitude, double zoomLevel)
{
latitude += dLatWarp;
longitude += dLongWarp;
Location location = new Location(latitude, longitude);
zoomLevel = zoomLevel == 0 ? this.ZoomLevel : zoomLevel;
this.SetView(location, zoomLevel);
}
/// <summary>
/// 添加UI对象
/// </summary>
/// <param name="layerName">图层名称</param>
/// <param name="latitude">纬度</param>
/// <param name="longitude">经度</param>
/// <param name="element">UIElement对象</param>
public void AddUIElement(string layerName, double latitude, double longitude, UIElement element)
{
MapLayer MapLayer = this.CreateLayer(layerName);
// 获UIElement对象名称
string name = element.GetValue(NameProperty).ToString();
// 判断该UIElement对象在地图上是否存在
// 如果存在则移除
UIElement uc = MapLayer.FindName(name) as UIElement;
if (uc != null)
MapLayer.Children.Remove(uc);
PositionOrigin position = PositionOrigin.Center;
latitude += dLatWarp;
longitude += dLongWarp;
Location location = new Location(latitude, longitude);
MapLayer.AddChild(element, location, position);
}
/// <summary>
/// 重载添加UI对象
/// </summary>
/// <param name="layerName">图层名称</param>
/// <param name="latitude">纬度</param>
/// <param name="longitude">经度</param>
/// <param name="element">UIElement对象</param>
/// <param name="position">偏移定位</param>
public void AddUIElement(string layerName, double latitude, double longitude, UIElement element, PositionOrigin position)
{
MapLayer MapLayer = this.CreateLayer(layerName);
// 获UIElement对象名称
string name = element.GetValue(NameProperty).ToString();
// 判断该UIElement对象在地图上是否存在
// 如果存在则移除
UIElement uc = MapLayer.FindName(name) as UIElement;
if (uc != null)
MapLayer.Children.Remove(uc);
latitude += dLatWarp;
longitude += dLongWarp;
Location location = new Location(latitude, longitude);
MapLayer.AddChild(element, location, position);
}
/// <summary>
/// 重载添加UI对象
/// </summary>
/// <param name="layerName">图层名称</param>
/// <param name="latitude">纬度</param>
/// <param name="longitude">经度</param>
/// <param name="element">UIElement对象</param>
/// <param name="zoomLevel">地图缩放级别</param>
public void AddUIElement(string layerName, double latitude, double longitude, UIElement element, double zoomLevel)
{
MapLayer MapLayer = this.CreateLayer(layerName);
// 获UIElement对象名称
string name = element.GetValue(NameProperty).ToString();
// 判断该UIElement对象在地图上是否存在
// 如果存在则移除
UIElement uc = MapLayer.FindName(name) as UIElement;
if (uc != null)
MapLayer.Children.Remove(uc);
PositionOrigin position = PositionOrigin.Center;
latitude += dLatWarp;
longitude += dLongWarp;
Location location = new Location(latitude, longitude);
MapLayer.AddChild(element, location, position);
this.SetView(location, zoomLevel);
}
/// <summary>
/// 重载添加UI对象
/// </summary>
/// <param name="layerName">图层名称</param>
/// <param name="latitude">纬度</param>
/// <param name="longitude">经度</param>
/// <param name="element">UIElement对象</param>
/// <param name="zoomLevel">地图缩放级别</param>
/// <param name="position">偏移定位</param>
public void AddUIElement(string layerName, double latitude, double longitude, UIElement element, double zoomLevel, PositionOrigin position)
{
MapLayer MapLayer = this.CreateLayer(layerName);
// 获UIElement对象名称
string name = element.GetValue(NameProperty).ToString();
// 判断该UIElement对象在地图上是否存在
// 如果存在则移除
UIElement uc = MapLayer.FindName(name) as UIElement;
if (uc != null)
MapLayer.Children.Remove(uc);
latitude += dLatWarp;
longitude += dLongWarp;
Location location = new Location(latitude, longitude);
MapLayer.AddChild(element, location, position);
this.SetView(location, zoomLevel);
}
/// <summary>
/// 创建图层
/// </summary>
/// <param name="layerName">图层名称</param>
/// <returns>返回当前添加的图层</returns>
public MapLayer CreateLayer(string layerName)
{
MapLayerInfo MyLayer = listLayer.FirstOrDefault(n => n.LayerName == layerName);
if (MyLayer == null)
{
MyLayer = new MapLayerInfo()
{
LayerName = layerName,
MapLayer = new MapLayer()
};
this.Children.Add(MyLayer.MapLayer);
listLayer.Add(MyLayer);
}
return MyLayer.MapLayer;
}
/// <summary>
/// 清除用户控件
/// </summary>
/// <param name="layerName">图层名称</param>
/// <param name="name">对象名称</param>
public void RemoveUIElement(string layerName, string name)
{
MapLayerInfo MyLayer = listLayer.FirstOrDefault(n => n.LayerName == layerName);
if (MyLayer == null) return;
UIElement uc = MyLayer.MapLayer.FindName(name) as UIElement;
if (uc == null) return;
MyLayer.MapLayer.Children.Remove(uc);
}
/// <summary>
/// 清除指定图层
/// <param name="layerName">图层名称</param>
/// </summary>
public void RemoveLayer(string layerName)
{
MapLayerInfo MyLayer = listLayer.FirstOrDefault(n => n.LayerName == layerName);
if (MyLayer == null) return;
// 清空指定图层里面对象
MyLayer.MapLayer.Children.Clear();
// 清空当前图层
this.Children.Remove(MyLayer.MapLayer);
// 从图层集合中移除当前图层
this.listLayer.Remove(MyLayer);
}
/// <summary>
/// 清除地图上所有图层信息
/// </summary>
public void RemoveAll()
{
if (listLayer.Count == 0) return;
foreach (MapLayerInfo layer in listLayer)
{
layer.MapLayer.Children.Clear();
this.Children.Remove(layer.MapLayer);
}
listLayer.Clear();
}
#endregion
}
#region 图层信息类
/// <summary>
/// 图层信息
/// </summary>
public class MapLayerInfo
{
/// <summary>
/// 图层名称
/// </summary>
public string LayerName { get; set; }
/// <summary>
/// 图层对象
/// </summary>
public MapLayer MapLayer { get; set; }
}
#endregion
}
