/// <inheritdoc />
protected override void OnMouseDown(GeoMouseArgs e)
{
if (e.Button == MouseButtons.Left || e.Button == MouseButtons.Right)
{
_mousePosition = e.Location;
if (_dragging)
{
if (e.Button == MouseButtons.Right)
{
_dragging = false;
Map.Invalidate();
Map.IsBusy = false;
}
}
else
{
if (_selectedFeature != null)
{
Rectangle mouseRect = new Rectangle(_mousePosition.X - 3, _mousePosition.Y - 3, 6, 6);
Envelope env = Map.PixelToProj(mouseRect).ToEnvelope();
if (CheckForVertexDrag(e))
{
return;
}
// No vertex selection has occured.
if (!_selectedFeature.Geometry.Intersects(env.ToPolygon()))
{
// We are clicking down outside of the given polygon, so clear our selected feature
DeselectFeature();
return;
}
}
if (_activeFeature != null)
{
// Don't start dragging a vertices right away for polygons and lines.
// First you select the polygon, which displays the vertices, then they can be moved.
if (_featureSet.FeatureType == FeatureType.Polygon)
{
_selectedFeature = _activeFeature;
_activeFeature = null;
IPolygonCategory sc = _selectedCategory as IPolygonCategory;
if (sc == null)
{
_selectedCategory = new PolygonCategory(Color.FromArgb(55, 0, 255, 255), Color.Blue, 1)
{
LegendItemVisible = false
};
}
_layer.SetCategory(_selectedFeature, _selectedCategory);
}
else if (_featureSet.FeatureType == FeatureType.Line)
{
_selectedFeature = _activeFeature;
_activeFeature = null;
ILineCategory sc = _selectedCategory as ILineCategory;
if (sc == null)
{
_selectedCategory = new LineCategory(Color.Cyan, 1)
{
LegendItemVisible = false
};
}
_layer.SetCategory(_selectedFeature, _selectedCategory);
}
else
{
_dragging = true;
Map.IsBusy = true;
_dragCoord = _activeFeature.Geometry.Coordinates[0];
MapPointLayer mpl = _layer as MapPointLayer;
if (mpl != null)
{
mpl.SetVisible(_activeFeature, false);
}
IPointCategory sc = _selectedCategory as IPointCategory;
if (sc == null)
{
IPointSymbolizer ps =
_layer.GetCategory(_activeFeature).Symbolizer.Copy() as IPointSymbolizer;
if (ps != null)
{
ps.SetFillColor(Color.Cyan);
_selectedCategory = new PointCategory(ps);
}
}
}
}
Map.MapFrame.Initialize();
Map.Invalidate();
}
}
base.OnMouseDown(e);
}
/// <inheritdoc />
protected override void OnMouseDown(GeoMouseArgs e)
{
if (e.Button == MouseButtons.Left || e.Button == MouseButtons.Right)
{
_mousePosition = e.Location;
if (_dragging)
{
if (e.Button == MouseButtons.Right)
{
_dragging = false;
Map.Invalidate();
Map.IsBusy = false;
}
}
else
{
// ÆíÁýÇÒ µµÇüÀÌ ¼±ÅõǾî ÀÖÀ¸¸é, ÆíÁýÇÒ Á¤Á¡À» ¼±ÅÃÇÕ´Ï´Ù.
if (_selectedFeature != null)
{
// Á¤Á¡ ¼±ÅÃÀ» À§ÇÑ ¿µ¿ªÀ» ¼³Á¤ÇÕ´Ï´Ù.
Rectangle mouseRect = new Rectangle(_mousePosition.X - 3, _mousePosition.Y - 3, 6, 6);
Envelope env = Map.PixelToProj(mouseRect).ToEnvelope();
// Á¤Á¡ÀÌ ¼±ÅõǾú½À´Ï´Ù.
if (CheckForVertexDrag(e))
{
return;
}
// Á¤Á¡ ¼±ÅÃÀÌ ¹ß»ýÇÏÁö ¾Ê¾Ò½À´Ï´Ù.
if (!_selectedFeature.Geometry.Intersects(env.ToPolygon()))
{
// ¼±ÅÃÀ» Ãë¼ÒÇÕ´Ï´Ù.
DeselectFeature();
return;
}
}
if (_activeFeature != null)
{
// ´Ù°¢Çü°ú ¼±ÀÇ Á¤Á¡À» ¹Ù·Î µå·¡±×ÇÏÁö ¸¶½Ê½Ã¿À. ¸ÕÀú Á¤Á¡À» Ç¥½ÃÇÏ´Â ´Ù°¢ÇüÀ» ¼±ÅÃÇÑ ´ÙÀ½ À̵¿ÇÒ ¼ö ÀÖ½À´Ï´Ù.
if (_featureSet.FeatureType == FeatureType.Polygon) // ¸é
{
_selectedFeature = _activeFeature;
_activeFeature = null;
if (!(_selectedCategory is IPolygonCategory sc))
{
_selectedCategory = new PolygonCategory(Color.FromArgb(55, 0, 255, 255), Color.Blue, 1)
{
LegendItemVisible = false
};
}
_layer.SetCategory(_selectedFeature, _selectedCategory);
}
else if (_featureSet.FeatureType == FeatureType.Line) // ¼±
{
_selectedFeature = _activeFeature;
_activeFeature = null;
if (!(_selectedCategory is ILineCategory sc))
{
_selectedCategory = new LineCategory(Color.Cyan, 1)
{
LegendItemVisible = false
};
}
_layer.SetCategory(_selectedFeature, _selectedCategory);
}
else // Á¡
{
_dragging = true;
Map.IsBusy = true;
_dragCoord = _activeFeature.Geometry.Coordinates[0];
MapPointLayer mpl = _layer as MapPointLayer;
mpl?.SetVisible(_activeFeature, false);
if (!(_selectedCategory is IPointCategory sc))
{
if (_layer.GetCategory(_activeFeature).Symbolizer.Copy() is IPointSymbolizer ps)
{
ps.SetFillColor(Color.Cyan);
_selectedCategory = new PointCategory(ps);
}
}
}
}
Map.MapFrame.Initialize();
Map.Invalidate();
}
}
base.OnMouseDown(e);
}