/// <summary>
/// Given a size, this will return the native symbolizer that has been adjusted to the specified size.
/// </summary>
/// <param name="size">The size of the symbol</param>
/// <param name="color">The color of the symbol</param>
/// <returns>The adjusted symbolizer.</returns>
public IFeatureSymbolizer GetSymbolizer(double size, Color color)
{
IFeatureSymbolizer copy = Symbolizer.Copy();
// preserve aspect ratio, larger dimension specified
IPointSymbolizer ps = copy as IPointSymbolizer;
if (ps != null)
{
Size2D s = ps.GetSize();
double ratio = size / Math.Max(s.Width, s.Height);
s.Width *= ratio;
s.Height *= ratio;
ps.SetSize(s);
ps.SetFillColor(color);
}
ILineSymbolizer ls = copy as ILineSymbolizer;
if (ls != null)
{
ls.SetWidth(size);
ls.SetFillColor(color);
}
return(copy);
}
/// <summary>
/// Creates the category using a random fill color.
/// </summary>
/// <param name="fillColor">The base color to use for creating the category.</param>
/// <param name="size">The double size of the larger dimension of the point.</param>
/// <returns>A new polygon category.</returns>
public override ICategory CreateNewCategory(Color fillColor, double size)
{
IPointSymbolizer ps = EditorSettings.TemplateSymbolizer.Copy() as IPointSymbolizer ?? new PointSymbolizer(fillColor, PointShape.Ellipse, size);
ps.SetFillColor(fillColor);
Size2D oSize = ps.GetSize();
double rat = size / Math.Max(oSize.Width, oSize.Height);
ps.SetSize(new Size2D(rat * oSize.Width, rat * oSize.Height));
return(new PointCategory(ps));
}
/// <summary>
/// Handles the inter-connectivity of the various controls and updates
/// them all to match the latest value.
/// </summary>
public void UpdateControls()
{
if (_ignore)
{
return;
}
_ignore = true;
if (_sizeRange == null)
{
_ignore = false;
return;
}
chkSizeRange.Checked = _sizeRange.UseSizeRange;
trkStart.Value = (int)_sizeRange.Start;
trkEnd.Value = (int)_sizeRange.End;
IPointSymbolizer ps = _sizeRange.Symbolizer as IPointSymbolizer;
if (ps != null)
{
Color color = ps.GetFillColor();
if (_scheme != null && _scheme.EditorSettings.UseColorRange)
{
color = _scheme.EditorSettings.StartColor;
}
if (chkSizeRange.Checked)
{
psvStart.Symbolizer = _sizeRange.GetSymbolizer(_sizeRange.Start, color) as IPointSymbolizer;
}
else
{
IPointSymbolizer sm = ps.Copy();
sm.SetFillColor(color);
psvStart.Symbolizer = sm;
}
if (_scheme != null && _scheme.EditorSettings.UseColorRange)
{
color = _scheme.EditorSettings.EndColor;
}
if (chkSizeRange.Checked)
{
psvEnd.Symbolizer = _sizeRange.GetSymbolizer(_sizeRange.End, color) as IPointSymbolizer;
}
else
{
IPointSymbolizer sm = ps.Copy();
sm.SetFillColor(color);
psvEnd.Symbolizer = sm;
}
}
ILineSymbolizer ls = _sizeRange.Symbolizer as ILineSymbolizer;
if (ls != null)
{
Color color = ls.GetFillColor();
if (_scheme != null && _scheme.EditorSettings.UseColorRange)
{
color = _scheme.EditorSettings.StartColor;
}
if (chkSizeRange.Checked)
{
lsvStart.Symbolizer = _sizeRange.GetSymbolizer(_sizeRange.Start, color) as ILineSymbolizer;
}
else
{
ILineSymbolizer sm = ls.Copy();
sm.SetFillColor(color);
lsvStart.Symbolizer = sm;
}
if (_scheme != null && _scheme.EditorSettings.UseColorRange)
{
color = _scheme.EditorSettings.EndColor;
}
if (chkSizeRange.Checked)
{
lsvEnd.Symbolizer = _sizeRange.GetSymbolizer(_sizeRange.End, color) as ILineSymbolizer;
}
else
{
ILineSymbolizer sm = ls.Copy();
sm.SetFillColor(color);
lsvEnd.Symbolizer = sm;
}
}
nudStart.Value = (decimal)_sizeRange.Start;
nudEnd.Value = (decimal)_sizeRange.End;
_ignore = false;
OnSizeRangeChanged();
}
/// <summary>
///
/// </summary>
/// <param name="e"></param>
protected override void OnMouseDoubleClick(MouseEventArgs e)
{
_wasDoubleClick = true;
Point loc = new Point(e.X + ControlRectangle.X, e.Location.Y + ControlRectangle.Top);
foreach (LegendBox lb in _legendBoxes)
{
if (!lb.Bounds.Contains(loc) || lb.CheckBox.Contains(loc))
{
continue;
}
ILineCategory lc = lb.Item as ILineCategory;
if (lc != null)
{
DetailedLineSymbolDialog lsDialog = new DetailedLineSymbolDialog(lc.Symbolizer);
lsDialog.ShowDialog();
ILineSymbolizer sel = lc.Symbolizer.Copy();
sel.SetFillColor(Color.Cyan);
lc.SelectionSymbolizer = sel;
}
IPointCategory pc = lb.Item as IPointCategory;
if (pc != null)
{
DetailedPointSymbolDialog dlg = new DetailedPointSymbolDialog(pc.Symbolizer);
dlg.ShowDialog();
IPointSymbolizer ps = pc.Symbolizer.Copy();
ps.SetFillColor(Color.Cyan);
pc.SelectionSymbolizer = ps;
}
IPolygonCategory polyCat = lb.Item as IPolygonCategory;
if (polyCat != null)
{
DetailedPolygonSymbolDialog dlg = new DetailedPolygonSymbolDialog(polyCat.Symbolizer);
dlg.ShowDialog();
IPolygonSymbolizer ps = polyCat.Symbolizer.Copy();
ps.SetFillColor(Color.Cyan);
ps.OutlineSymbolizer.SetFillColor(Color.DarkCyan);
polyCat.SelectionSymbolizer = ps;
}
IFeatureLayer fl = lb.Item as IFeatureLayer;
if (fl != null)
{
LayerDialog layDialog = new LayerDialog(fl, new FeatureCategoryControl());
layDialog.ShowDialog();
}
IRasterLayer rl = lb.Item as IRasterLayer;
if (rl != null)
{
LayerDialog dlg = new LayerDialog(rl, new RasterCategoryControl());
dlg.ShowDialog();
}
IColorCategory cb = lb.Item as IColorCategory;
if (cb != null)
{
_tabColorDialog = new TabColorDialog();
_tabColorDialog.ChangesApplied += TabColorDialogChangesApplied;
_tabColorDialog.StartColor = cb.LowColor;
_tabColorDialog.EndColor = cb.HighColor;
_editCategory = cb;
_tabColorDialog.ShowDialog(this);
}
}
base.OnMouseDoubleClick(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
{
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);
}