public static MoveNodesDlg GetInstance()
{
if (_defaultIntance == null)
{
_defaultIntance = new MoveNodesDlg();
}
return(_defaultIntance);
}
public MoveNodesDlg()
{
InitializeComponent();
this.btnStartEditNode.IsEnabled = false;
this.Owner = MainWindow.m_MainWindow;
this.DataContext = this;
_defaultIntance = this;
//获取视图中图层列表
m_FeaLyrList = MainWindow.m_DotMap.GetFeatureLayers();
foreach (ILayer layer in m_FeaLyrList)
{
if (layer is IFeatureLayer)
{
this.cboLayer.Items.Add((layer as FeatureLayer).Name);
}
}
if (this.cboLayer.Items.Count > 0)
{
this.cboLayer.SelectedIndex = 0;
}
}
private void M_DotMap_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
if (m_AddFeaType != FeaType.None)
{
Coordinate coord = m_DotMap.PixelToProj(e.Location);//点击的屏幕未知转换成坐标系中的点
switch (m_AddFeaType)
{
case FeaType.Point:
{
CreatePointDlg f = UCVectorDataEditing.m_CreatePointDlg;
if (f == null)
{
return;
}
var layer = f.m_PointLayer;
IFeatureSet PointF = (layer as FeatureLayer).FeatureSet;
GeoAPI.Geometries.IPoint pPoint = new NetTopologySuite.Geometries.Point(coord);
IFeature currentFeature = PointF.AddFeature(pPoint);
PointF.InitializeVertices();
m_DotMap.ResetBuffer();
}
break;
case FeaType.Polyline:
{
CreatePolylineDlg f = UCVectorDataEditing.m_CreatePolylineDlg;
if (f == null)
{
return;
}
var layer = f.m_PolylineLayer;
IFeatureSet LineF = (layer as FeatureLayer).FeatureSet;
if (e.Button == System.Windows.Forms.MouseButtons.Left)
{
if (f.IsFirstPoint)
{
//一开始就要加入至少两个点
f.CoordList.Add(coord);
f.CoordList.Add(coord);
LineString line = new LineString(f.CoordList.ToArray());
IFeature lineFeature = LineF.AddFeature(line);
f.IsFirstPoint = false;
}
else
{
LineF.Features.RemoveAt(LineF.Features.Count - 1);
if (f.CoordList[0] == f.CoordList[1])
{
f.CoordList.RemoveAt(1);
}
f.CoordList.Add(coord);
LineString line = new LineString(f.CoordList.ToArray());
IFeature lineFeature = LineF.AddFeature(line);
m_DotMap.ResetBuffer();
}
}
else if (e.Button == System.Windows.Forms.MouseButtons.Right)
{
LineF.InitializeVertices();
f.IsFirstPoint = true;
f.CoordList.Clear();
m_DotMap.ResetBuffer();
}
}
break;
case FeaType.Polygon:
{
CreatePolygonDlg f = UCVectorDataEditing.m_CreatePolygonDlg;
if (f == null)
{
return;
}
var layer = f.m_PolygonLayer;
IFeatureSet PolygonF = (layer as FeatureLayer).FeatureSet;
if (e.Button == System.Windows.Forms.MouseButtons.Left)
{
if (f.IsFirstPoint)
{
for (int i = 0; i < 4; i++)
{
f.CoordList.Add(coord);
}
ILinearRing LineRing = new LinearRing(f.CoordList.ToArray());
NetTopologySuite.Geometries.Polygon pPolygon = new NetTopologySuite.Geometries.Polygon(LineRing);
IFeature polygonFeature = PolygonF.AddFeature(pPolygon);
f.IsFirstPoint = false;
}
else
{
PolygonF.Features.RemoveAt(PolygonF.Features.Count - 1);
if (f.CoordList[0] == f.CoordList[1])
{
f.CoordList.RemoveAt(1);
}
//组成面的点必须形成一个闭环 因此要先把最新加入的点去掉，加入绘制点之后再加入第一个点
f.CoordList.RemoveAt(f.CoordList.Count - 1);
f.CoordList.Add(coord);
f.CoordList.Add(f.CoordList[0]);
ILinearRing LineRing = new LinearRing(f.CoordList.ToArray());
NetTopologySuite.Geometries.Polygon pPolygon = new NetTopologySuite.Geometries.Polygon(LineRing);
IFeature lineFeature = PolygonF.AddFeature(pPolygon);
m_DotMap.ResetBuffer();
}
}
else if (e.Button == System.Windows.Forms.MouseButtons.Right)
{
PolygonF.InitializeVertices();
f.IsFirstPoint = true;
f.CoordList.Clear();
m_DotMap.ResetBuffer();
}
}
break;
case FeaType.UCPoint:
{
bool ShouldAdd = true;
UCTopologyAnalysis uc = UCTopologyAnalysis.GetIntance();
if (uc.ClickIndex >= 1)
{
m_AddFeaType = FeaType.None;
uc.ClickIndex = 0;
ShouldAdd = false;
m_DotMap.Cursor = System.Windows.Forms.Cursors.Default;
}
var layer = uc.m_PointLayer;
IFeatureSet PointF = (layer as FeatureLayer).FeatureSet;
GeoAPI.Geometries.IPoint pPoint = new NetTopologySuite.Geometries.Point(coord);
IFeature currentFeature = PointF.AddFeature(pPoint);
m_DotMap.ResetBuffer();
if (ShouldAdd)
{
uc.ClickIndex++;
}
}
break;
case FeaType.MovePoint:
{
if (e.Button == System.Windows.Forms.MouseButtons.Right)
{
var defaultIntance = MoveNodesDlg.GetInstance();
if (defaultIntance != null)
{
defaultIntance.MoveNode(coord);
}
}
}
break;
case FeaType.MoveFeature:
{
if (e.Button == System.Windows.Forms.MouseButtons.Right)
{
var defaultIntance = MoveFeatureDlg.GetInstance();
if (defaultIntance != null)
{
defaultIntance.MoveFeature(coord);
}
}
}
break;
case FeaType.RotateFeature:
{
if (e.Button == System.Windows.Forms.MouseButtons.Right)
{
var defaultIntance = RotateFeatureDlg.GetInstance();
if (defaultIntance != null)
{
defaultIntance.RotateFeature(coord);
}
}
break;
}
}
}
}