/// <summary>
/// Sorts the FeatureLayers according to the order of the given collection.
/// </summary>
/// <param name="collection">Collection to sort by.</param>
public void MoveLayers(IMapLayerCollection collection)
{
int reverseI = 0; // position in layers is reverse to position in collection
bool moved = false;
for (int i = collection.Count - 1; i >= 0; i--)
{
IFeatureLayer mLayer = collection[i] as IFeatureLayer;
if (mLayer != null)
{
int index = _layers.FindIndex(f => ReferenceEquals(f.Layer, mLayer));
if (index != reverseI)
{
var layer = _layers[index];
_layers.Remove(layer);
_layers.Insert(reverseI, layer);
moved = true;
}
reverseI += 1; // non-FeatureLayers get ignored
}
}
if (moved)
{
ChangeDataSource();
}
}
/// <summary>
/// Sorts the FeatureLayers according to the order of the given collection.
/// </summary>
/// <param name="collection">Collection to sort by.</param>
public void MoveLayers(IMapLayerCollection collection)
{
int reverseI = 0; //position in layers is reverse to position in collection
for (int i = collection.Count - 1; i >= 0; i--)
{
IFeatureLayer mLayer = collection[i] as IFeatureLayer;
if (mLayer != null)
{
int index = _layers.FindIndex(f => object.ReferenceEquals(f.Layer, mLayer));
if (index != reverseI)
{
var layer = _layers[index];
_layers.Remove(layer);
_layers.Insert(reverseI, layer);
}
reverseI += 1; //non-FeatureLayers get ignored
}
}
ChangeDataSource();
}
public override void Run()
{
ILegendItem selectedItem = (GIS.FrameWork.Application.App.Legend as GIS.Common.Dialogs.Legend).SelectedLegendMenuItem;
if (selectedItem != null && selectedItem is MapFrame)
{
//get max extent from maplayercollection
IMapLayerCollection _layers = GIS.FrameWork.Application.App.Map.Layers;
Extent ext = null;
IList <ILayer> layers = _layers.Cast <ILayer>().ToList();
if (layers != null)
{
foreach (ILayer layer in layers)
{
if (layer.Extent != null && !layer.Extent.IsEmpty()) // changed by jany (2015-07-17) don't add extents of empty layers, because they cause a wrong overall extent
{
if (ext == null)
{
ext = (Extent)layer.Extent.Clone();
}
else
{
ext.ExpandToInclude(layer.Extent);
}
}
}
}
//calculate expands
double eps = 1e-7;
var maxExt = ext.Width < eps || ext.Height < eps
? new Extent(ext.MinX - eps, ext.MinY - eps, ext.MaxX + eps, ext.MaxY + eps)
: ext;
maxExt.ExpandBy(maxExt.Width / 10, maxExt.Height / 10);
GIS.FrameWork.Application.App.Map.ViewExtents = maxExt;
}
}
public static IFeatureLayer GetFeatureLayer(
IMapLayerCollection pMapLayerCollection,
FeatureSet pFeatureSet,
string pName,
Object pSymbolizer,
ProjectionInfo pProjection)
{
IFeatureLayer mLayer;
if (pFeatureSet.FeatureType == DotSpatial.Topology.FeatureType.Point)
{
mLayer = (PointLayer)pMapLayerCollection.Add(pFeatureSet);
((PointLayer)mLayer).Symbolizer = (PointSymbolizer)pSymbolizer;
((PointLayer)mLayer).LegendText = pName;
}
else if (pFeatureSet.FeatureType == DotSpatial.Topology.FeatureType.Line)
{
mLayer = (LineLayer)pMapLayerCollection.Add(pFeatureSet);
((LineLayer)mLayer).Symbolizer = (LineSymbolizer)pSymbolizer;
((LineLayer)mLayer).LegendText = pName;
}
else if (pFeatureSet.FeatureType == DotSpatial.Topology.FeatureType.Polygon)
{
mLayer = (PolygonLayer)pMapLayerCollection.Add(pFeatureSet);
((PolygonLayer)mLayer).Symbolizer = (PolygonSymbolizer)pSymbolizer;
((PolygonLayer)mLayer).LegendText = pName;
}
else
{
mLayer = null;
}
mLayer.Projection = pProjection;
return(mLayer);
}
