public void OnMouseDown(int button, int shift, int x, int y)
{
if (button != 2)
{
try
{
IFeatureLayer targetLayer = Editor.UniqueInstance.TargetLayer;
if (targetLayer != null)
{
IFeatureClass featureClass = targetLayer.FeatureClass;
if (featureClass != null)
{
IPoint pGeometry = this.m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(x, y);
ISpatialFilter queryFilter = new SpatialFilterClass {
Geometry = pGeometry,
GeometryField = featureClass.ShapeFieldName,
SubFields = featureClass.ShapeFieldName,
SpatialRel = esriSpatialRelEnum.esriSpatialRelWithin
};
IFeatureCursor o = targetLayer.Search(queryFilter, false);
IFeature feature = o.NextFeature();
IFeature feature2 = o.NextFeature();
Marshal.ReleaseComObject(o);
o = null;
if ((feature != null) && (feature2 != null))
{
feature = featureClass.GetFeature(feature.OID);
feature2 = featureClass.GetFeature(feature2.OID);
ITopologicalOperator2 shape = feature.Shape as ITopologicalOperator2;
IGeometry geometry1 = feature2.Shape;
IGeometry other = shape.Intersect(feature2.Shape, esriGeometryDimension.esriGeometry2Dimension);
if (!other.IsEmpty)
{
pGeometry = GISFunFactory.UnitFun.ConvertPoject(pGeometry, other.SpatialReference) as IPoint;
IGeometryCollection geometrys = other as IGeometryCollection;
if (geometrys.GeometryCount > 1)
{
for (int i = 0; i < geometrys.GeometryCount; i++)
{
IGeometry inGeometry = geometrys.get_Geometry(i);
if (!inGeometry.IsEmpty)
{
if (inGeometry.GeometryType == esriGeometryType.esriGeometryRing)
{
object missing = System.Type.Missing;
IGeometryCollection geometrys2 = new PolygonClass();
geometrys2.AddGeometry(inGeometry, ref missing, ref missing);
IPolygon polygon = geometrys2 as IPolygon;
inGeometry = polygon;
}
IRelationalOperator operator2 = inGeometry as IRelationalOperator;
if ((operator2 != null) && operator2.Contains(pGeometry))
{
other = inGeometry;
break;
}
}
}
}
else
{
IRelationalOperator operator3 = other as IRelationalOperator;
if (!operator3.Contains(pGeometry))
{
return;
}
}
if (other != null)
{
feature = Editor.UniqueInstance.TargetLayer.FeatureClass.GetFeature(feature.OID);
feature2 = Editor.UniqueInstance.TargetLayer.FeatureClass.GetFeature(feature2.OID);
IList <IFeature> pList = new List <IFeature> {
feature,
feature2
};
OverlapSublot sublot = new OverlapSublot(this.m_hookHelper.Hook, pList)
{
Text = "合并",
Tip = "请选择要保留重叠部分的小班ID"
};
if (sublot.ShowDialog() == DialogResult.OK)
{
int selectedIndex = sublot.SelectedIndex;
IFeature feature3 = null;
if (selectedIndex == 0)
{
feature3 = feature2;
}
else
{
feature3 = feature;
}
if (other.GeometryType != esriGeometryType.esriGeometryPolygon)
{
IPolygon polygon2 = new PolygonClass {
SpatialReference = other.SpatialReference
};
IPointCollection newPoints = other as IPointCollection;
(polygon2 as IPointCollection).AddPointCollection(newPoints);
other = polygon2;
}
IGeometry geometry3 = (feature3.Shape as ITopologicalOperator2).Difference(other);
if (geometry3.IsEmpty)
{
Editor.UniqueInstance.StartEditOperation();
feature3.Delete();
Editor.UniqueInstance.StopEditOperation();
}
else
{
Editor.UniqueInstance.StartEditOperation();
feature3.Shape = geometry3;
feature3.Store();
Editor.UniqueInstance.StopEditOperation();
IFeatureSelection selection = Editor.UniqueInstance.TargetLayer as IFeatureSelection;
selection.Add(feature);
selection.Add(feature2);
}
this.m_hookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection | esriViewDrawPhase.esriViewGeography, null, this.m_hookHelper.ActiveView.Extent);
}
sublot = null;
MessageBox.Show("修改完成！", "提示");
}
}
}
}
}
}
catch (Exception exception)
{
Editor.UniqueInstance.AbortEditOperation();
this.mErrOpt.ErrorOperate(this.mSubSysName, "ShapeEdit.OverlapCombine", "OnMouseDown", exception.GetHashCode().ToString(), exception.Source, exception.Message, "", "", "");
MessageBox.Show("修改出错！", "提示");
}
}
}
public override void OnMouseUp(int Button, int Shift, int X, int Y)
{
IPoint point = this.m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
try
{
IFeatureLayer targetLayer = Editor.UniqueInstance.TargetLayer;
IFeatureClass featureClass = targetLayer.FeatureClass;
ISpatialFilter queryFilter = null;
queryFilter = new SpatialFilterClass {
Geometry = point,
GeometryField = featureClass.ShapeFieldName,
SpatialRel = esriSpatialRelEnum.esriSpatialRelWithin
};
IFeature feature = null;
IFeatureCursor cursor = targetLayer.Search(queryFilter, false);
IFeature item = cursor.NextFeature();
int num = 0;
IList <IFeature> pList = new List <IFeature>();
while (item != null)
{
if ((this.m_Feature1 != null) && (item.OID == this.m_Feature1.OID))
{
item = cursor.NextFeature();
}
else
{
feature = item;
num++;
pList.Add(item);
item = cursor.NextFeature();
}
}
if (num < 1)
{
MessageBox.Show("当前无要素可进行裁切！", "提示");
}
else
{
if (num > 1)
{
OverlapSublot sublot = new OverlapSublot(this.m_hookHelper.Hook, pList)
{
Text = "裁切",
Tip = "超过一个要素被选中，请选择需要的小班ID"
};
if (sublot.ShowDialog() == DialogResult.OK)
{
int selectedIndex = sublot.SelectedIndex;
feature = pList[selectedIndex];
}
else
{
MessageBox.Show("超过一个要素被选中，无法进行裁切！", "提示");
return;
}
}
IFeatureSelection selection = Editor.UniqueInstance.TargetLayer as IFeatureSelection;
if (this.m_Feature1 == null)
{
this.m_Feature1 = feature;
selection.Add(this.m_Feature1);
this.m_hookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, null);
this._cursor = ToolCursor.Erase22;
}
else
{
this.m_Feature2 = feature;
selection.Add(this.m_Feature2);
this.m_hookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, null);
IGeometry shapeCopy = this.m_Feature1.ShapeCopy;
IGeometry other = this.m_Feature2.ShapeCopy;
ITopologicalOperator2 @operator = shapeCopy as ITopologicalOperator2;
@operator.IsKnownSimple_2 = false;
@operator.Simplify();
IGeometry geometry3 = @operator.Intersect(other, esriGeometryDimension.esriGeometry2Dimension);
if (geometry3.IsEmpty)
{
MessageBox.Show("选中两个要素无相交部分，无法进行裁切！", "提示");
this.m_Feature1 = null;
this.m_Feature2 = null;
this._cursor = ToolCursor.Erase2;
}
else
{
ITopologicalOperator2 operator2 = geometry3 as ITopologicalOperator2;
operator2.IsKnownSimple_2 = false;
operator2.Simplify();
IGeometry geometry4 = (other as ITopologicalOperator2).Difference(geometry3);
if (geometry4.IsEmpty)
{
MessageBox.Show("选中两个要素完全重合，无法进行裁切！", "提示");
this.m_Feature1 = null;
this.m_Feature2 = null;
this._cursor = ToolCursor.Erase2;
}
else
{
Editor.UniqueInstance.CheckOverlap = false;
Editor.UniqueInstance.StartEditOperation();
this.m_Feature2.Shape = geometry4;
this.m_Feature2.Store();
Editor.UniqueInstance.StopEditOperation();
Editor.UniqueInstance.CheckOverlap = true;
this.m_Feature1 = null;
this.m_Feature2 = null;
this._cursor = ToolCursor.Erase2;
(Editor.UniqueInstance.TargetLayer as IFeatureSelection).Clear();
this.m_hookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection | esriViewDrawPhase.esriViewGeography, null, null);
}
}
}
}
}
catch (Exception exception)
{
Editor.UniqueInstance.AbortEditOperation();
this.m_Feature1 = null;
this.m_Feature2 = null;
this._cursor = ToolCursor.Erase2;
this.mErrOpt.ErrorOperate(this.mSubSysName, "ShapeEdit.Erase2", "OnMouseUp", exception.GetHashCode().ToString(), exception.Source, exception.Message, "", "", "");
}
}
