public C1Mapper(IMapperOwner owner)
{
InitializeComponent();
#if !DYN
_c1maps = new C1.WPF.Maps.C1Maps();
#else
_c1maps = DynLoader.CreateC1MapsInstance("C1.WPF.Maps.C1Maps");
#endif
//
this._grid.Children.Add(_c1maps);
_owner = owner;
_owner.LayersChanged += new EventHandler(Map_LayersChanged);
_owner.Layers.CollectionChanged += new System.Collections.Specialized.NotifyCollectionChangedEventHandler(Layers_CollectionChanged);
this.Background = Util.BrushFromGdiColor(Utils.FromWpfColor(_owner.BackColor));
// hide/show standard tools as required:
this.LayoutUpdated += (ss, ee) => HideShowTools();
// TBD: add a property to automatically move scale so as not to obscure data
_c1maps.FadeInTiles = false;
#if !DYN
_c1maps.TilesLoadProgress += new EventHandler <TilesLoadProgressEventArgs>(_c1maps_TilesLoadProgress);
#else
var handlerType = typeof(EventHandler <>).MakeGenericType(DynLoader.GetC1MapsType("TilesLoadProgressEventArgs"));
var handlerMethod = typeof(C1Mapper).GetMethod("_c1maps_TilesLoadProgress", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic);
var handler = Delegate.CreateDelegate(handlerType, this, handlerMethod);
_c1maps.TilesLoadProgress += handler;
#endif
//
ResetLayers();
}
private UIElement MakeItem(ILegendItem legendItem, Legend legend, IMapperOwner owner)
{
switch (legendItem.LegendItemKind)
{
case LegendItemKind.Point:
return(MakePointItem(legendItem, legend, owner));
case LegendItemKind.Line:
return(MakeLineItem(legendItem, legend, owner));
case LegendItemKind.KML:
case LegendItemKind.None:
return(null);
case LegendItemKind.ColorSwatch:
return(MakeColorSwatchItem(legendItem, legend, owner));
case LegendItemKind.Text:
return(MakeTextItem(legendItem, legend, owner));
default:
System.Diagnostics.Debug.Assert(false, "unknown legend item type");
return(null);
}
}
private TextBlock MakeItemText(ILegendItem mapperItem, Legend mapLegend, IMapperOwner owner, out double padding)
{
// text:
TextBlock tb = new TextBlock();
tb.Foreground = Util.BrushFromGdiColor(GetTextColor(mapLegend, mapperItem));
tb.Text = mapperItem == null ? mapLegend.Caption : mapperItem.LegendItemCaption;
tb.VerticalAlignment = System.Windows.VerticalAlignment.Center;
if (mapperItem == null)
{
tb.HorizontalAlignment = System.Windows.HorizontalAlignment.Center; // todo: give control to user?
}
Util.ApplyFontToTextBlock(GetFont(mapLegend, mapperItem), tb);
padding = tb.FontSize / 4;
tb.Margin = new Thickness(padding, 0, padding, 0);
return(tb);
}
private UIElement MakePointItem(ILegendItem mapperItem, Legend mapLegend, IMapperOwner owner)
{
System.Diagnostics.Debug.Assert(mapperItem.LegendItemKind == LegendItemKind.Point);
double padding;
var tb = MakeItemText(mapperItem, mapLegend, owner, out padding);
// graphics:
Path p = new Path();
var stroke = GetStrokeColor(mapLegend, mapperItem);
p.Stroke = Util.BrushFromGdiColor(stroke);
var fill = mapperItem.LegendItemFillColor;
p.Fill = Util.BrushFromGdiColor(fill);
double size;
if (mapperItem.LegendItemMarkerSize >= 0)
{
size = mapperItem.LegendItemMarkerSize;
}
else
{
size = tb.FontSize / 3; // a "heuristic" ...
}
Geometry eg = Util.MarkerShapeToGeometry(mapperItem.LegendItemMarkerShape, size);
p.Data = eg;
p.VerticalAlignment = System.Windows.VerticalAlignment.Center;
p.HorizontalAlignment = System.Windows.HorizontalAlignment.Center;
p.Margin = new Thickness(size + padding, size + padding, padding, padding);
// combine:
StackPanel sp = new StackPanel();
sp.Orientation = Orientation.Horizontal;
sp.Children.Add(p);
sp.Children.Add(tb);
return(sp);
}
private UIElement MakeLineItem(ILegendItem mapperItem, Legend mapLegend, IMapperOwner owner)
{
System.Diagnostics.Debug.Assert(mapperItem.LegendItemKind == LegendItemKind.Line);
double padding;
var tb = MakeItemText(mapperItem, mapLegend, owner, out padding);
// graphics:
Path p = new Path();
var stroke = GetStrokeColor(mapLegend, mapperItem);
p.Stroke = Util.BrushFromGdiColor(stroke);
var fill = mapperItem.LegendItemFillColor;
p.Fill = Util.BrushFromGdiColor(fill);
p.StrokeDashArray = Util.DashStyleToCollection(mapperItem.LegendItemDashStyle);
if (mapperItem.LegendItemLineThickness >= 0)
{
p.StrokeThickness = mapperItem.LegendItemLineThickness;
}
LineGeometry lg = new LineGeometry();
lg.StartPoint = new Point(0, tb.FontSize / 3); // "heuristic" ...
lg.EndPoint = new Point(tb.FontSize * 3, tb.FontSize / 3); // another one :)
p.Data = lg;
p.VerticalAlignment = System.Windows.VerticalAlignment.Center;
p.HorizontalAlignment = System.Windows.HorizontalAlignment.Center;
p.Margin = new Thickness(lg.StartPoint.X + padding, lg.StartPoint.Y + padding, padding, padding);
// combine:
StackPanel sp = new StackPanel();
sp.Orientation = Orientation.Horizontal;
sp.Children.Add(p);
sp.Children.Add(tb);
return(sp);
}
public void UpdateFromOwner(IMapperOwner owner, Legend mapLegend)
{
ItemsContainer.Children.Clear();
if (owner == null || mapLegend == null)
{
return;
}
// Orientation:
ItemsContainer.Orientation = mapLegend.Orientation == System.Windows.Forms.Orientation.Vertical ?
Orientation.Vertical : Orientation.Horizontal;
// alignment:
HorizontalAlignment horz;
VerticalAlignment vert;
Util.ContentToHorzVertAlign(mapLegend.LegendAlignment, out horz, out vert);
this.HorizontalAlignment = horz;
this.VerticalAlignment = vert;
// margins
this.Margin = new Thickness(
mapLegend.Margin.Left, mapLegend.Margin.Top, mapLegend.Margin.Right, mapLegend.Margin.Bottom);
this.BorderThickness = new Thickness(
mapLegend.BorderThickness.Left, mapLegend.BorderThickness.Top, mapLegend.BorderThickness.Right, mapLegend.BorderThickness.Bottom);
this.Padding = new Thickness(
mapLegend.Padding.Left, mapLegend.Padding.Top, mapLegend.Padding.Right, mapLegend.Padding.Bottom);
//
this.Background = Util.BrushFromGdiColor(mapLegend.BackColor);
double padding = 0;
if (!string.IsNullOrEmpty(mapLegend.Caption))
{
ItemsContainer.Children.Add(MakeLegendCaption(mapLegend, owner, out padding));
}
Action <IEnumerable> addItems = (items) =>
{
foreach (ILegendItem li in items)
{
if (li.LegendItemVisible)
{
var item = MakeItem(li, mapLegend, owner);
if (item != null)
{
ItemsContainer.Children.Add(item);
}
}
}
};
if (mapLegend.Automatic)
{
addItems(mapLegend.Owner.Layers);
}
else
{
addItems(mapLegend.Items);
}
}
private TextBlock MakeTextItem(ILegendItem legendItem, Legend legend, IMapperOwner owner)
{
double padding;
return(MakeItemText(legendItem, legend, owner, out padding));
}
private TextBlock MakeLegendCaption(Legend legend, IMapperOwner owner, out double padding)
{
return(MakeItemText(null, legend, owner, out padding));
}
