/// <summary>${WP_mapping_UniqueRender_method_getStyle_D}</summary>
/// <returns>${WP_mapping_UniqueRender_method_getStyle_return}</returns>
/// <param name="feature">${WP_mapping_UniqueRender_method_getStyle_param_feature}</param>
public SuperMap.WindowsPhone.Core.Style GetStyle(Feature feature)
{
if (feature != null && !string.IsNullOrEmpty(this.Attribute) && feature.Attributes.ContainsKey(this.Attribute))
{
object obj = feature.Attributes[this.Attribute];
foreach (UniqueItem item in this.Items)
{
if ((item.Value == obj) || (((obj != null) && (item.Value != null)) && (obj.GetHashCode() == item.Value.GetHashCode())))
{
if (item.Style != null)
{
return item.Style;
}//设Value了但没有设置Style,返回default
else
{
return DefaultStyle;
}
}
}
return DefaultStyle;
}
else
{
return null;//Attribute属性没有设置,或者设错了。
}
}
/// <summary>${WP_mapping_RangeRender_method_getStyle_D}</summary>
/// <returns>${WP_mapping_RangeRender_method_getStyle_return}</returns>
/// <param name="feature">${WP_mapping_RangeRender_method_getStyle_param_feature}</param>
public SuperMap.WindowsPhone.Core.Style GetStyle(Feature feature)
{
if (feature != null && !string.IsNullOrEmpty(this.Attribute) && feature.Attributes.ContainsKey(this.Attribute))
{
double num;
object obj = feature.Attributes[this.Attribute];
if (double.TryParse(string.Format(CultureInfo.InvariantCulture, "{0}", new object[] { obj }), NumberStyles.Any, CultureInfo.InvariantCulture, out num))
{
foreach (RangeItem item in this.Items)
{
if ((num >= item.MinimumValue) && (num < item.MaximumValue))
{
if (item.Style != null)
{
return item.Style;
}
else
{
return DefaultStyle;
}
}
}
return DefaultStyle;
}
else
{
return null;
}
}
else
{
return null;
}
}
public FeatureElement(Feature f, IRenderer renderer)
{
this.ClipBox = Rectangle2D.Empty;
this.pathIsInvalid = true;
if (f == null)
{
throw new ArgumentNullException("f");
}
this.feature = new WeakReference(f);
if (renderer != null)
//if (renderer != null && (f.GetValue(Clusterer.ClusterProperty) == null))
{
this.GeoStyle = renderer.GetStyle(f) ?? generateDefaultSyle(f);
}//renderer的优先级高于Feature自我的
else
{
this.GeoStyle = f.Style ?? generateDefaultSyle(f);
}
f.SetBoundedStyle(this.GeoStyle);
if (this.GeoStyle != null)
{
base.Template = this.GeoStyle.ControlTemplate;
}
this.Geometry = f.Geometry;
}
/// <summary>${WP_mapping_UniformRenderer_method_GetStyle_D}</summary>
/// <returns>${WP_mapping_UniformRenderer_method_GetStyle_return}</returns>
/// <param name="feature">${WP_mapping_UniformRenderer_method_GetStyle_param_feature}</param>
public SuperMap.WindowsPhone.Core.Style GetStyle(Feature feature)
{
if (feature == null)
{
return null;
}
if (feature.Geometry is GeoPoint)
{
return MarkerStyle;
}
else if (feature.Geometry is GeoLine)
{
return LineStyle;
}
return this.FillStyle;
}
/// <summary>${WP_mapping_FeaturesClusterer_method_OnCreateFeature_D}</summary>
/// <param name="cluster">${WP_mapping_FeaturesClusterer_method_OnCreateFeature_param_cluster}</param>
/// <param name="center">${WP_mapping_FeaturesClusterer_method_OnCreateFeature_param_center}</param>
/// <param name="maxClusterCount">${WP_mapping_FeaturesClusterer_method_OnCreateFeature_param_maxClusterCount}</param>
protected override Feature OnCreateFeature(FeatureCollection cluster, GeoPoint center, int maxClusterCount)
{
lastFC = cluster;
lastCenter = center;
lastMaxClusterCount = maxClusterCount;
if (cluster.Count == 1)
{
return cluster[0];
}
Feature feature = null;
double size = (Math.Log((double)(cluster.Count / 10)) * 10.0) + 20.0;//小于10个,size都是负无穷
if (size < 12.0)
{
size = 12.0;
}
if (cluster.Count <= this.MaximumCount)
{
if (!this.cache.ContainsKey(cluster.Count))
{
ScatterStyle style = new ScatterStyle(cluster.Count, EnableRotation)
{
ForeColor = this.Foreground,
FillColor = this.Background
};
this.cache.Add(cluster.Count, style);
}//如果没有这种 样式，就创建新的样式。 根据Count决定。
ScatterStyle style3 = this.cache[cluster.Count];
feature = new Feature
{
Geometry = center,
Style = style3
};
}
else
{
feature = new ClusterFeature(size)
{
Geometry = center
};
}//如果不达到聚合数(太多，比如大于10)，则去生成新的样式
feature.Attributes.Add("Count", cluster.Count);
feature.Attributes.Add("Size", size);
feature.Attributes.Add("Color", ClusterUtil.InterpolateColor((double)cluster.Count, maxClusterCount, this.Gradient));
return feature;
}
//当线对象时，显示bounds的中心点；
private void addCenterFeature(Feature feature)
{
GeoPoint center = new GeoPoint(feature.Geometry.Bounds.Center.X , feature.Geometry.Bounds.Center.Y);
hoverCenterFeature = new Feature { Geometry = center , Style = HoverCenterStyle };
hoverCenterFeature.SetZIndex(3);
hoverLayer.AddFeature(hoverCenterFeature);
}
internal FeatureMouseEventArgs(Feature f, MouseEventArgs args)
{
Feature = f;
source = args;
}
private void startEdit(Feature feature , bool suppressEvent , Point2D start)
{
if (activeFeature != feature)
{
StopEdit();
activeFeature = feature;
buildHoverLayer(activeFeature);
if (!suppressEvent)
{
OnGeometryEdit(activeFeature , GeometryEditAction.EditStarted);
}
}
else if (activeFeature.Geometry is GeoRegion && !start.IsEmpty)
{
prepareMoveLineOrRegionFeature(start);
}//表明移动整个要素
}
//添加虚拟线；
private void addHoverLineSegment(Point2D p0 , Point2D p1 , int index0 , int index1 , Feature feature , Point2DCollection points , int partIndex)
{
GeoLine line = new GeoLine();
line.Parts.Add(new Point2DCollection() { p0 , p1 });
Feature segment = new Feature() { Geometry = line , Style = hoverLineStyle };
segment.SetZIndex(1);
segment.Attributes.Add("Point2DCollection" , points);
segment.Attributes.Add("Feature" , feature);
segment.Attributes.Add("Index0" , index0);
segment.Attributes.Add("Index1" , index1);
segment.Attributes.Add("PartIndex" , partIndex);
hoverLayer.Features.Add(segment);
}
private void Init(Point2D firstPoint)
{
if (_isInited)
{
return;
}
Deactivate();
_line = new Feature();
GeoLine line = new GeoLine();
line.Parts = new System.Collections.ObjectModel.ObservableCollection<Point2DCollection>();
line.Parts.Add(_points);
PredefinedLineStyle style = new PredefinedLineStyle();
style.Stroke = new SolidColorBrush(Colors.Red);
style.StrokeThickness = 2;
style.Symbol = PredefinedLineStyle.LineSymbol.Solid;
_line.Geometry = line;
_line.Style = style;
_fLayer.AddFeature(_line);
TextBlock first = new TextBlock();
_distanceList.Add(first);
first.FontWeight = FontWeights.ExtraBlack;
first.Foreground = new SolidColorBrush(Colors.Black);
first.Text = "起点";
_eLayer.AddChild(first, firstPoint);
_points.Add(firstPoint);
_distances.Add(0);
_isInited = true;
}
//添加虚拟顶点；
private Feature addHoverVertex(Feature feature , GeoPoint p , int index , int partIndex)
{
Feature hoverVertex = new Feature() { Geometry = p , Style = HoverVertexStyle };
hoverVertex.SetZIndex(2);
hoverLayer.Features.Add(hoverVertex);
hoverVertex.Attributes.Add("Feature" , feature);
hoverVertex.Attributes.Add("Index" , index);
hoverVertex.Attributes.Add("PartIndex" , partIndex);
hoverVertex.AddDoubleClick((s , e) => { deleteOneVertex(s as Feature); });//双击删除某个顶点，线和面。
return hoverVertex;
}
private void CompassButton_Click_1(object sender, RoutedEventArgs e)
{
if (_canPan)
{
_canPan = false;
Point2D pointLonLat = new Point2D(102.95, 30.3);
Point2D pointM = MercatorUtility.LatLonToMeters(pointLonLat);
MyMap.ZoomToLevel(8, pointM);
Feature earthquake = new Feature();
earthquake.Style = App.Current.Resources["MyMarkerStyle"] as MarkerStyle;
earthquake.Geometry = new GeoPoint(pointM);
_fLayer.AddFeature(earthquake);
_addFeature = new DispatcherTimer();
_addFeature.Interval = new TimeSpan(0, 0, 0, 0, 500);
_addFeature.Tick += _addFeature_Tick;
_addFeature.Start();
}
}
private void virtualLayer_MouseLeave(object sender , FeatureMouseEventArgs args)
{
if (snapVertex != null)
{
hoverLayer.Features.Remove(snapVertex);
snapVertex = null;
}
}
private void stopEdit(bool suppressEvent)
{
if (hoverLayer != null)
{
hoverLayer.ClearFeatures();
Map.Layers.Remove(hoverLayer);
hoverLayer.MouseLeftButtonDown -= virtualLayer_MouseLeftButtonDown;
hoverLayer.MouseMove -= virtualLayer_MouseMove;
hoverLayer.MouseLeftButtonUp -= virtualLayer_MouseLeftButtonUp;
hoverLayer.MouseLeave -= virtualLayer_MouseLeave;
hoverLayer = null;
}
stopTracking();
if (!suppressEvent && activeFeature != null)
{
OnGeometryEdit(activeFeature , GeometryEditAction.EditCompleted);
}
if (activeFeature != null)
{
activeFeature = null;
}
}
//public static ServerStyle StyleToServerStyle(SuperMap.WindowsPhone.Core.Style Style)
//{
// return null;
//}
/// <summary>${WP_REST_Bridge_method_ToFeature}</summary>
/// <param name="feature">${WP_REST_Bridge_method_ToFeature_param_feature}</param>
/// <returns>${WP_REST_Bridge_method_ToFeature_return}</returns>
public static Feature ToFeature(this ServerFeature feature)
{
if (feature != null)
{
Feature f = new Feature();
if (feature.Geometry != null)
{
f.Geometry = feature.Geometry.ToGeometry();
}
if (feature.FieldNames != null && feature.FieldNames.Count > 0 && feature.FieldValues != null && feature.FieldValues.Count > 0)
{
for (int i = 0; i < feature.FieldNames.Count; i++)
{
f.Attributes.Add(feature.FieldNames[i].ToString(), feature.FieldValues[i]);
}
}
return f;
}
return null;
}
private void prepareMovePointFeature(Feature hoverFeature)
{
draggingVertex = hoverFeature;
draggingVertex.Select();
startTracking();
startGeoPoint = ( hoverFeature.Geometry as GeoPoint ).Location;
}
private void addOneVertex(Feature hoverFeature , Point2D pMap)
{
GeoLine line = hoverFeature.Geometry as GeoLine;
Point2DCollection pnts = hoverFeature.Attributes["Point2DCollection"] as Point2DCollection;
Feature parent = hoverFeature.Attributes["Feature"] as Feature;
int _partIndex = (int)hoverFeature.Attributes["PartIndex"];
if (snapVertex != null)
{
hoverLayer.Features.Remove(snapVertex);
}
Point2D snapPt = FindPointOnLineClosestToPoint(line.Parts[0][0] , line.Parts[0][1] , pMap);
int index = pnts.IndexOf(line.Parts[0][0]);
pnts.Insert(index + 1 , snapPt);
hoverLayer.Features.Remove(hoverFeature);
rebuildHoverLayer(parent);
OnGeometryEdit(hoverFeature , GeometryEditAction.VertexAdded);
}
private void virtualLayer_MouseMove(object sender , FeatureMouseEventArgs args)
{
Feature hoverFeature = args.Feature;
//在虚拟线上，并且没遇到虚拟顶点 ，显示捕捉点
if (draggingVertex == null && hoverFeature.Geometry is GeoLine)
{
GeoLine line = hoverFeature.Geometry as GeoLine;
Point2D pMap = Map.ScreenToMap(args.GetPosition(Map));
Point2D snap = FindPointOnLineClosestToPoint(line.Parts[0][0] , line.Parts[0][1] , pMap);
if (snapVertex == null)
{
snapVertex = new Feature() { Style = SnapStyle , Geometry = new GeoPoint(snap) };
hoverLayer.Features.Add(snapVertex);
}
else
{
snapVertex.Geometry = new GeoPoint(snap);
}
}
}
//public FeatureElement(Feature f, IRenderer renderer, bool _ignoreMouseEvent)
//{
// this.ClipBox = Rectangle2D.Empty;
// this.pathIsInvalid = true;
// if (f == null)
// {
// throw new ArgumentNullException("f");
// }
// this.feature = new WeakReference(f);
// if (renderer != null && (f.GetValue(Clusterer.ClusterProperty) == null))
// {
// this.GeoStyle = renderer.GetStyle(f) ?? generateDefaultSyle(f);
// }//renderer的优先级高于Feature自我的
// else
// {
// this.GeoStyle = f.Style ?? generateDefaultSyle(f);
// }
// f.SetBoundedStyle(this.GeoStyle);
// if (this.GeoStyle != null)
// {
// base.Template = this.GeoStyle.ControlTemplate;
// }
// this.ignoreMouseEvents = _ignoreMouseEvent;
// this.Geometry = f.Geometry;
//}
//internal static FeatureElement DrawShape(Feature feature, IRenderer renderer)
//{
// SuperMap.WindowsPhone.Core.Geometry geometry = feature.Geometry;
// FeatureElement element = new FeatureElement(feature, renderer);
// if (geometry is GeoPoint && element.GeoStyle is MarkerStyle)
// {
// MarkerStyle style = (MarkerStyle)(element.GeoStyle);
// element.RenderTransform = new TranslateTransform { X = -style.OffsetX, Y = -style.OffsetY };
// }
// else if (geometry is GeoLine && element.GeoStyle is LineStyle)
// {
// element.SetPath();
// }
// else if (geometry is GeoRegion && element.GeoStyle is FillStyle)
// {
// element.SetPath();
// }
// else
// {
// throw new ArgumentException(ExceptionStrings.InvalidSupportGeometry);
// }
// return element;
//}
private static Style generateDefaultSyle(Feature f)
{
if (f.Geometry is GeoPoint)
{
Style pmstyle = null;
if (f.Layer.Map.Theme == null)
{
pmstyle = new PredefinedMarkerStyle() { Color = new SolidColorBrush(Colors.Red), Size = 10 };
}
else
{
pmstyle = new PredefinedMarkerStyle() { Color = f.Layer.Map.Theme.Color, Size = f.Layer.Map.Theme.Size };
}
return pmstyle;
}
else if (f.Geometry is GeoLine)
{
Style plstyle = null;
if (f.Layer.Map.Theme == null)
{
plstyle = new PredefinedLineStyle() { Stroke = new SolidColorBrush(Color.FromArgb(99, 255, 0, 0)), StrokeThickness = 2 };
}
else
{
plstyle = new PredefinedLineStyle() { Stroke = f.Layer.Map.Theme.Stroke, StrokeThickness = f.Layer.Map.Theme.StrokeThickness };
}
return plstyle;
}
else
{
Style pfstyle = null;
if (f.Layer.Map.Theme == null)
{
pfstyle = new FillStyle() { Fill = new SolidColorBrush(Color.FromArgb(99, 255, 0, 0)) };
}
else
{
pfstyle = new FillStyle() { Fill = f.Layer.Map.Theme.Fill, Stroke = f.Layer.Map.Theme.Stroke };
}
return pfstyle;
}
}
//private void Button_Click_3(object sender, RoutedEventArgs e)
//{
// DrawLine line = new DrawLine(this.MyMap);
// this.MyMap.Action = line;
// // this.featuresLayer.ClearFeatures();
// line.DrawCompleted += new EventHandler<DrawEventArgs>(line_DrawCompleted);
//}
//private void line_DrawCompleted(object sender, DrawEventArgs e)
//{
// this.featuresLayer.ClearFeatures();
// Feature feature = new Feature { Geometry=e.Geometry};
// //this.elementLayer.Children.Add(e.Element);
// this.featuresLayer.AddFeature(feature);
//}
//private void Button_Click_4(object sender, RoutedEventArgs e)
//{
// DrawPolygon polygon = new DrawPolygon(this.MyMap);
// this.MyMap.Action = polygon;
// polygon.DrawCompleted += new EventHandler<DrawEventArgs>(polygon_DrawCompleted);
//}
//private void polygon_DrawCompleted(object sender, DrawEventArgs e)
//{
// this.featuresLayer.ClearFeatures();
// Feature feature = new Feature { Geometry=e.Geometry};
// this.featuresLayer.AddFeature(feature);
//}
private void Button_Click_5(object sender, RoutedEventArgs e)
{
Feature f = new Feature();
//f.Tap += f_Tap;
//f.MouseEnter += f_MouseEnter;
//f.MouseLeave += f_MouseLeave;
//f.MouseLeftButtonDown += f_MouseLeftButtonDown;
//f.MouseLeftButtonUp += f_MouseLeftButtonUp;
//f.MouseMove+=f_MouseMove;
GeoPoint point = new GeoPoint(0, 0);
PredefinedMarkerStyle style = new PredefinedMarkerStyle();
style.Color = new SolidColorBrush(Colors.Red);
style.Size = 80;
style.Symbol = PredefinedMarkerStyle.MarkerSymbol.Circle;
f.Geometry = point;
f.Style = style;
this.featuresLayer.AddFeature(f);
}
private void stopTracking( )
{
Map.Cursor = Cursors.Arrow;
startGeoPoint = Point2D.Empty;
startPoint = Point2D.Empty;
lastPostion = Point2D.Empty;
if (draggingVertex != null)
{
draggingVertex.UnSelect();
draggingVertex = null;
if (activeFeature != null && activeFeature.Geometry is GeoPoint)
{
StopEdit();
}
}
}
//重新构建整个虚拟图层，比如添加或删除一个顶点时
private void rebuildHoverLayer(Feature feature)
{
stopEdit(true);
startEdit(feature , true);
}
internal FeatureMouseButtonEventArgs(Feature f, MouseButtonEventArgs e)
: base(f, e)
{
this.source = e;
}
private void deleteOneVertex(Feature hoverVertex)
{
Feature parent = hoverVertex.Attributes["Feature"] as Feature;
Point2DCollection points = hoverVertex.Attributes["Point2DCollection"] as Point2DCollection;
int index = (int)hoverVertex.Attributes["Index"];
if (parent.Geometry is GeoRegion && points.Count < 5)
{
return;
}
if (parent.Geometry is GeoLine && points.Count < 3)
{
return;
}
if (parent.Geometry is GeoRegion && index == 0)
{
points.RemoveAt(points.Count - 1);
points.Add(points[1]);
}//特殊处理下第1个/最后1个点删除
points.RemoveAt(index);
rebuildHoverLayer(parent);
OnGeometryEdit(hoverVertex , GeometryEditAction.VertexRemoved);
}
/// <summary>${WP_core_Feature_method_Clone_D}</summary>
public Feature Clone()
{
Feature fClone = new Feature();
fClone.Geometry = this.Geometry.Clone();
fClone.Style = this.Style;
fClone.ToolTip = this.ToolTip;
fClone.DisableToolTip = this.DisableToolTip;
fClone.Attributes = this.Attributes;
return fClone;
}
private void OnGeometryEdit(Feature f , GeometryEditAction action)
{
if (GeometryEdit != null)
{
GeometryEdit(this , new GeometryEditEventArgs(f , action));
}
}
void MyMap_ViewBoundsChanged(object sender, ViewBoundsEventArgs e)
{
if (!_mapInited && !Rectangle2D.IsNullOrEmpty(e.NewViewBounds))
{
_mapInited = true;
MyMap.ZoomToLevel(8, new Point2D(12969134.4929308, 4863396.19924929));
_compassFeature = new Feature();
_compassFeature.Geometry = new GeoPoint(Point2D.Empty);
CompassMarkerStyle style = new CompassMarkerStyle();
style.Height = 40;
style.Width = 30;
style.Rotation = 0;
_compassFeature.Style = style;
_fLayer.AddFeature(_compassFeature);
_needPan = true;
_watcher.Start();
}
}
internal GeometryEditEventArgs(Feature feature , GeometryEditAction action)
{
Feature = feature;
Action = action;
}
public override void Deactivate()
{
if (_distanceList != null && _distanceList.Count > 0)
{
foreach (TextBlock text in _distanceList)
{
if (_eLayer.Children.Contains(text))
{
_eLayer.Children.Remove(text);
}
}
_distanceList.Clear();
}
if (_line != null)
{
if (_fLayer.Features.Contains(_line))
{
_fLayer.Features.Remove(_line);
}
_line = null;
}
if (_points != null && _points.Count > 0)
{
_points.Clear();
}
_distances.Clear();
}
private void startEdit(Feature feature , bool suppressEvent)
{
startEdit(feature , suppressEvent , Point2D.Empty);
}