/// <summary>
/// Handles the Mouse-Up situation.
/// </summary>
/// <param name="e">The GeoMouseArcs class describes the mouse condition along with geographic coordinates.</param>
protected override void OnMouseUp(GeoMouseArgs e)
{
if (_standBy)
{
return;
}
if (_featureSet == null || _featureSet.IsDisposed)
{
return;
}
if (e.Button == MouseButtons.Left || e.Button == MouseButtons.Right)
{
// Add the current point to the featureset
if (_featureSet.FeatureType == FeatureType.Point)
{
// Begin snapping changes
Coordinate snappedCoord = _coordinateDialog.Coordinate;
ComputeSnappedLocation(e, ref snappedCoord);
// End snapping changes
Topology.Point pt = new Topology.Point(snappedCoord); // Snapping changes
Feature f = new Feature(pt);
_featureSet.Features.Add(f);
_featureSet.ShapeIndices = null; // Reset shape indices
_featureSet.UpdateExtent();
_layer.AssignFastDrawnStates();
_featureSet.InvalidateVertices();
return;
}
if (e.Button == MouseButtons.Right)
{
_context.Show((Control)Map, e.Location);
}
else
{
if (_coordinates == null)
{
_coordinates = new List <Coordinate>();
}
// Begin snapping changes
Coordinate snappedCoord = e.GeographicLocation;
ComputeSnappedLocation(e, ref snappedCoord);
// End snapping changes
_coordinates.Add(snappedCoord); // Snapping changes
if (_coordinates.Count > 1)
{
Point p1 = Map.ProjToPixel(_coordinates[_coordinates.Count - 1]);
Point p2 = Map.ProjToPixel(_coordinates[_coordinates.Count - 2]);
Rectangle invalid = SymbologyGlobal.GetRectangle(p1, p2);
invalid.Inflate(20, 20);
Map.Invalidate(invalid);
}
}
}
base.OnMouseUp(e);
}
/// <summary>
/// This method occurs as the mouse moves.
/// </summary>
/// <param name="e">The GeoMouseArcs class describes the mouse condition along with geographic coordinates.</param>
protected override void OnMouseMove(GeoMouseArgs e)
{
if (_standBy)
{
return;
}
// Begin snapping changes
Coordinate snappedCoord = e.GeographicLocation;
bool prevWasSnapped = this.isSnapped;
this.isSnapped = ComputeSnappedLocation(e, ref snappedCoord);
_coordinateDialog.X = snappedCoord.X;
_coordinateDialog.Y = snappedCoord.Y;
// End snapping changes
if (_coordinates != null && _coordinates.Count > 0)
{
List <Point> points = _coordinates.Select(coord => Map.ProjToPixel(coord)).ToList();
Rectangle oldRect = SymbologyGlobal.GetRectangle(_mousePosition, points[points.Count - 1]);
Rectangle newRect = SymbologyGlobal.GetRectangle(e.Location, points[points.Count - 1]);
Rectangle invalid = Rectangle.Union(newRect, oldRect);
invalid.Inflate(20, 20);
Map.Invalidate(invalid);
}
// Begin snapping changes
_mousePosition = this.isSnapped ? Map.ProjToPixel(snappedCoord) : e.Location;
DoMouseMoveForSnapDrawing(prevWasSnapped, _mousePosition);
// End snapping changes
base.OnMouseMove(e);
}
/// <summary>
/// This method occurs as the mouse moves.
/// </summary>
/// <param name="e">The GeoMouseArcs class describes the mouse condition along with geographic coordinates.</param>
protected override void OnMouseMove(GeoMouseArgs e)
{
if (_standBy)
{
return;
}
// End snapping changes
if (_coordinates != null && _coordinates.Count > 0)
{
List <Point> points = _coordinates.Select(coord => Map.ProjToPixel(coord)).ToList();
Rectangle oldRect = SymbologyGlobal.GetRectangle(_mousePosition, points[points.Count - 1]);
Rectangle newRect = SymbologyGlobal.GetRectangle(e.Location, points[points.Count - 1]);
Rectangle invalid = Rectangle.Union(newRect, oldRect);
invalid.Inflate(20, 20);
Map.Invalidate(invalid);
}
// End snapping changes
base.OnMouseMove(e);
_coordinateDialog.X = e.GeographicLocation.X;
_coordinateDialog.Y = e.GeographicLocation.Y;
_mousePosition = SnapInfo?.Coordinate != null?Map.ProjToPixel(SnapInfo.Coordinate) : e.Location;
}
/// <summary>
/// updates the auto-filling X and Y coordinates
/// </summary>
/// <param name="e"></param>
protected override void OnMouseMove(GeoMouseArgs e)
{
if (_standBy)
{
return;
}
if (_coordinates == null || _coordinates.Count == 0)
{
return;
}
Coordinate c1 = e.GeographicLocation;
if (_measureDialog.MeasureMode == MeasureMode.Distance)
{
double dist = GetDist(c1);
_measureDialog.TotalDistance = _previousDistance + _currentDistance + dist;
}
else
{
List <Coordinate> tempPolygon = _coordinates.ToList();
if (!c1.Equals2D(_coordinates[_coordinates.Count - 1]))
{
tempPolygon.Add(c1); //don't add the current coordinate again if it was added by mouse click
}
if (tempPolygon.Count < 3)
{
if (tempPolygon.Count > 1)
{
Rectangle r = Map.ProjToPixel(new LineString(tempPolygon.ToArray()).EnvelopeInternal.ToExtent());
r.Inflate(20, 20);
Map.Invalidate(r);
}
_mousePosition = e.Location;
return;
}
tempPolygon.Add(_coordinates[0]); //changed by jany_ (2016-06-09) close the polygon, because they must be closed by definition
Polygon pg = new Polygon(new LinearRing(tempPolygon.ToArray()));
double area = GetArea(tempPolygon.ToArray());
_measureDialog.TotalArea = area;
Rectangle rr = Map.ProjToPixel(pg.EnvelopeInternal.ToExtent());
rr.Inflate(20, 20);
Map.Invalidate(rr);
_mousePosition = e.Location;
}
if (_coordinates.Count > 0)
{
List <Point> points = _coordinates.Select(coord => Map.ProjToPixel(coord)).ToList();
Rectangle oldRect = SymbologyGlobal.GetRectangle(_mousePosition, points[points.Count - 1]);
Rectangle newRect = SymbologyGlobal.GetRectangle(e.Location, points[points.Count - 1]);
Rectangle invalid = Rectangle.Union(newRect, oldRect);
invalid.Inflate(20, 20);
Map.Invalidate(invalid);
}
_mousePosition = e.Location;
base.OnMouseMove(e);
}
/// <summary>
/// updates the auto-filling X and Y coordinates
/// </summary>
/// <param name="e"></param>
protected override void OnMouseMove(GeoMouseArgs e)
{
if (_standBy)
{
return;
}
if (_coordinates == null || _coordinates.Count == 0)
{
return;
}
Coordinate c1 = e.GeographicLocation;
if (_measureDialog.MeasureMode == MeasureMode.Distance)
{
double dist = GetDist(c1);
_measureDialog.TotalDistance = _previousDistance + _currentDistance + dist;
}
else
{
List <Coordinate> tempPolygon = _coordinates.ToList();
tempPolygon.Add(c1);
if (tempPolygon.Count < 3)
{
if (tempPolygon.Count == 2)
{
Rectangle r = Map.ProjToPixel(new LineString(tempPolygon.ToArray()).EnvelopeInternal.ToExtent());
r.Inflate(20, 20);
Map.Invalidate(r);
}
_mousePosition = e.Location;
return;
}
tempPolygon.Add(_coordinates[0]);
Polygon pg = new Polygon(new LinearRing(tempPolygon.ToArray()));
if (tempPolygon.Count >= 4)
{
double area = GetArea(tempPolygon.ToArray());
_measureDialog.TotalArea = area;
}
Rectangle rr = Map.ProjToPixel(pg.EnvelopeInternal.ToExtent());
rr.Inflate(20, 20);
Map.Invalidate(rr);
_mousePosition = e.Location;
}
if (_coordinates.Count > 0)
{
List <Point> points = _coordinates.Select(coord => Map.ProjToPixel(coord)).ToList();
Rectangle oldRect = SymbologyGlobal.GetRectangle(_mousePosition, points[points.Count - 1]);
Rectangle newRect = SymbologyGlobal.GetRectangle(e.Location, points[points.Count - 1]);
Rectangle invalid = Rectangle.Union(newRect, oldRect);
invalid.Inflate(20, 20);
Map.Invalidate(invalid);
}
_mousePosition = e.Location;
base.OnMouseMove(e);
}
/// <summary>
/// 鼠标移动
/// </summary>
/// <param name="e"></param>
protected override void OnMouseMove(GeoMouseArgs e)
{
//注销后直接跳过
if (_standBy)
{
return;
}
//当无坐标时
if (coordinates == null || coordinates.Count == 0)
{
return;
}
//鼠标位置点
Coordinate c1 = e.GeographicLocation;
//鼠标和最后一个点的距离
double dist = GetDist(c1, null);
tempDistance = currentDistance + dist;
//当点数量大于0时
if (coordinates.Count > 0)
{
//将地理坐标转为屏幕坐标
List <Point> points = coordinates.Select(coord => Map.ProjToPixel(coord)).ToList();
//获取鼠标上一个位置和最后一个点的矩形区域
Rectangle oldRect = SymbologyGlobal.GetRectangle(_mousePosition, points[points.Count - 1]);
//获取鼠标和左后一个点的矩形区域
Rectangle newRect = SymbologyGlobal.GetRectangle(e.Location, points[points.Count - 1]);
//合并区域
Rectangle invalid = Rectangle.Union(newRect, oldRect);
//刷新区域
invalid.Inflate(220, 20);
Map.Invalidate(invalid);
}
//设置为鼠标位置
_mousePosition = e.Location;
base.OnMouseMove(e);
}
/// <summary>
/// updates the auto-filling X and Y coordinates
/// </summary>
/// <param name="e"></param>
protected override void OnMouseMove(GeoMouseArgs e)
{
if (_standBy)
{
return;
}
if (_coordinates == null || _coordinates.Count == 0)
{
return;
}
Coordinate c1 = e.GeographicLocation;;
if (_layoutDialog.MeasureMode == LayoutMode.Distance)
{
double dist = GetDist(c1);
_layoutDialog.TotalDistance = _previousDistance + _currentDistance + dist;
}
else
{
List <Coordinate> tempPolygon = _coordinates.ToList();
tempPolygon.Add(c1);
if (tempPolygon.Count < 3)
{
if (tempPolygon.Count == 2)
{
Rectangle r = Map.ProjToPixel(new LineString(tempPolygon).Envelope.ToExtent());
r.Inflate(20, 20);
Map.Invalidate(r);
}
_mousePosition = e.Location;
return;
}
Polygon pg = new Polygon(new LinearRing(tempPolygon));
double area = GetArea(tempPolygon);
_layoutDialog.TotalArea = area;
Rectangle rr = Map.ProjToPixel(pg.Envelope.ToExtent());
rr.Inflate(20, 20);
Map.Invalidate(rr);
_mousePosition = e.Location;
}
if (_coordinates.Count > 0)
{
List <Point> points = _coordinates.Select(coord => Map.ProjToPixel(coord)).ToList();
Rectangle oldRect = SymbologyGlobal.GetRectangle(_mousePosition, points[points.Count - 1]);
Rectangle newRect = SymbologyGlobal.GetRectangle(e.Location, points[points.Count - 1]);
Rectangle invalid = Rectangle.Union(newRect, oldRect);
invalid.Inflate(20, 20);
Map.Invalidate(invalid);
}
//Point et = pvMap4Draw.ProjToPixel(_coordinates[_coordinates.Count - 1]);
if (_layoutDialog.chkOrthonality == true)
{
Point lastPt = pvMap4Draw.ProjToPixel(_coordinates[_coordinates.Count - 1]);
if (Math.Abs(lastPt.X - e.X) >= Math.Abs(lastPt.Y - e.Y))
{
et = new Point(e.X, lastPt.Y);
}
else
{
et = new Point(lastPt.X, e.Y);
}
_mousePosition = et;// e.Location;
}
else
{
_mousePosition = e.Location;
base.OnMouseMove(e);
}
//
//
}