private void btnSelectDatumPoint_Click(object sender, EventArgs e)
{
if (cmbDirection.SelectedItem == null)
{
return;
}
enumAnnotationDirection direction = enumAnnotationDirection.RightUp;
switch (cmbDirection.SelectedItem.ToString())
{
case "左上":
direction = enumAnnotationDirection.LeftUp;
break;
case "右上":
direction = enumAnnotationDirection.RightUp;
break;
case "右下":
direction = enumAnnotationDirection.RightDown;
break;
case "左下":
direction = enumAnnotationDirection.LeftDown;
break;
}
CmdGetTargetPoint tool = new CmdGetTargetPoint(_context, _plugin);
_context.CurrentTool = tool;
tool.MouseDownEventHandler += delegate(IPoint point)
{
List <IPolygon> polygons = CommonHelper.GetMovedPoints(_annotationFeatures, point, direction);
for (int i = 0; i < _annotationFeatures.Count; i++)
{
IFeature pFeature = _annotationFeatures[i];
pFeature.Shape = polygons[i];
pFeature.Store();
IAnnotationFeature pAnnotationFeature = pFeature as IAnnotationFeature;
if (pAnnotationFeature == null)
{
continue;
}
IElement pElement = pAnnotationFeature.Annotation as IElement;
pElement.Geometry = new PointClass
{
X = (polygons[i].Envelope.XMin + polygons[i].Envelope.XMax) / 2,
Y = (polygons[i].Envelope.YMin + polygons[i].Envelope.YMax) / 2
};
pAnnotationFeature.Annotation = pElement;
pFeature.Store();
}
_context.FocusMap.ClearSelection();
_context.ActiveView.Refresh();
};
}
public static List <IPolygon> GetMovedPoints(List <IFeature> features, IPoint point,
enumAnnotationDirection direction)
{
List <IPolygon> list = new List <IPolygon>();
if (features.Count <= 0)
{
return(list);
}
IPoint originPoint = new PointClass
{
X = point.X,
Y = point.Y - features[0].Extent.Height / 2
};
for (int i = 0; i < features.Count; i++)
{
IFeature pFeature = features[i];
IPolygon tempPolygon = new PolygonClass();
IPointCollection pointCollection = tempPolygon as IPointCollection;
IPoint point1 = new PointClass();
IPoint point2 = new PointClass();
IPoint point3 = new PointClass();
IPoint point4 = new PointClass();
switch (direction)
{
case enumAnnotationDirection.LeftUp:
{
point1 = new PointClass
{
X = originPoint.X - pFeature.Extent.Width,
Y = originPoint.Y + pFeature.Extent.Height * (features.Count - 1 - i)
};
point2 = new PointClass
{
X = originPoint.X - pFeature.Extent.Width,
Y = originPoint.Y + pFeature.Extent.Height * (features.Count - i)
};
point3 = new PointClass
{
X = originPoint.X,
Y = originPoint.Y + pFeature.Extent.Height * (features.Count - i)
};
point4 = new PointClass
{
X = originPoint.X,
Y = originPoint.Y + pFeature.Extent.Height * (features.Count - 1 - i)
};
}
break;
case enumAnnotationDirection.RightUp:
{
point1 = new PointClass
{
X = originPoint.X,
Y = originPoint.Y + pFeature.Extent.Height * (features.Count - 1 - i)
};
point2 = new PointClass
{
X = originPoint.X,
Y = originPoint.Y + pFeature.Extent.Height * (features.Count - i)
};
point3 = new PointClass
{
X = originPoint.X + pFeature.Extent.Width,
Y = originPoint.Y + pFeature.Extent.Height * (features.Count - i)
};
point4 = new PointClass
{
X = originPoint.X + pFeature.Extent.Width,
Y = originPoint.Y + pFeature.Extent.Height * (features.Count - 1 - i)
};
}
break;
case enumAnnotationDirection.RightDown:
{
point1 = new PointClass
{
X = originPoint.X,
Y = originPoint.Y - pFeature.Extent.Height * (i + 1)
};
point2 = new PointClass
{
X = originPoint.X,
Y = originPoint.Y - pFeature.Extent.Height * (i)
};
point3 = new PointClass
{
X = originPoint.X + pFeature.Extent.Width,
Y = originPoint.Y - pFeature.Extent.Height * (i)
};
point4 = new PointClass
{
X = originPoint.X + pFeature.Extent.Width,
Y = originPoint.Y - pFeature.Extent.Height * (i + 1)
};
}
break;
case enumAnnotationDirection.LeftDown:
{
point1 = new PointClass
{
X = originPoint.X - pFeature.Extent.Width,
Y = originPoint.Y - pFeature.Extent.Height * (i + 1)
};
point2 = new PointClass
{
X = originPoint.X - pFeature.Extent.Width,
Y = originPoint.Y - pFeature.Extent.Height * (i)
};
point3 = new PointClass
{
X = originPoint.X,
Y = originPoint.Y - pFeature.Extent.Height * (i)
};
point4 = new PointClass
{
X = originPoint.X,
Y = originPoint.Y - pFeature.Extent.Height * (i + 1)
};
}
break;
}
pointCollection.AddPoint(point1);
pointCollection.AddPoint(point2);
pointCollection.AddPoint(point3);
pointCollection.AddPoint(point4);
pointCollection.AddPoint(point1);
list.Add(tempPolygon);
}
return(list);
}