private XElement GetDocumentableLayersXml(IDataFrame df)
{
return(df.GetDocumentableLayersHostXml());
}
static DataFrame()
{
LayoutHost.LoadGeoGridLayerExecutor = (xml) =>
{
return(GeoDo.RSS.Core.Grid.GeoGridLayer.FromXml(xml));
};
LayoutHost.LoadDataFrameExecutor = (gxfile, host, df, dfEle) =>
{
IDataFrameDataProvider prd = df.Provider as IDataFrameDataProvider;
ICanvas canvas = prd.Canvas;
string fname = Path.Combine(Path.GetDirectoryName(gxfile), "tempMcd.xml");
XElement mapElement = dfEle.Element("Map");
//旧模版没有Map节点
if (mapElement != null)
{
File.WriteAllText(fname, mapElement.ToString());
if (canvas == null)
{
return;
}
if (canvas.LayerContainer.VectorHost == null)
{
IVectorHostLayer vhost = new VectorHostLayer(null, fname);
vhost.IsEnableDummyRender = false;
vhost.SomeDataIsArrivedHandler += new EventHandler((sender, e) => { host.Render(true); });
canvas.LayerContainer.Layers.Add(vhost as GeoDo.RSS.Core.DrawEngine.ILayer);
}
}
double minX = GetDoubleAtt(dfEle, "minx");
double maxX = GetDoubleAtt(dfEle, "maxx");
double minY = GetDoubleAtt(dfEle, "miny");
double maxY = GetDoubleAtt(dfEle, "maxy");
if (Math.Abs(minX) > double.Epsilon &&
Math.Abs(minY) > double.Epsilon &&
Math.Abs(maxX) > double.Epsilon &&
Math.Abs(maxY) > double.Epsilon)
{
canvas.CurrentEnvelope = new CoordEnvelope(minX, maxX, minY, maxY);
}
//
df.IsLocked = true;
};
//模版保存时调用
LayoutToFile.DataFrame2XmlNodeConverter = (dstFileName, df, doc) =>
{
if (df == null || doc == null)
{
return(null);
}
IDataFrameDataProvider prd = df.Provider as IDataFrameDataProvider;
if (prd == null)
{
return(null);
}
ICanvas canvas = prd.Canvas;
if (canvas == null)
{
return(null);
}
XmlElement dfNode = doc.CreateElement("DataFrame");
dfNode.SetAttribute("name", df.Name);
dfNode.SetAttribute("minx", canvas.CurrentEnvelope.MinX.ToString());
dfNode.SetAttribute("miny", canvas.CurrentEnvelope.MinY.ToString());
dfNode.SetAttribute("maxx", canvas.CurrentEnvelope.MaxX.ToString());
dfNode.SetAttribute("maxy", canvas.CurrentEnvelope.MaxY.ToString());
//
IVectorHostLayer hostLayer = canvas.LayerContainer.VectorHost;
if (hostLayer != null)
{
IMap map = hostLayer.Map as IMap;
if (map == null)
{
return(null);
}
string fname = Path.Combine(Path.GetDirectoryName(dstFileName), "TempMcd.xml");
StringBuilder sb = new StringBuilder();
try
{
map.SaveTo(fname, true);
string[] lines = File.ReadAllLines(fname);
for (int i = 1; i < lines.Length; i++)
{
sb.AppendLine(lines[i]);
}
}
finally
{
if (File.Exists(fname))
{
File.Delete(fname);
}
}
//
dfNode.InnerXml = sb.ToString();
}
//
return(dfNode);
};
GxdDocument.GxdVectorHostGettter = (df) =>
{
IDataFrameDataProvider provider = df.Provider as IDataFrameDataProvider;
if (provider == null)
{
return(null);
}
ICanvas c = provider.Canvas;
if (c == null)
{
return(null);
}
IVectorHostLayer hostLayer = c.LayerContainer.VectorHost;
if (hostLayer == null)
{
return(null);
}
IMap map = hostLayer.Map as IMap;
if (map == null)
{
return(null);
}
string fname = AppDomain.CurrentDomain.BaseDirectory + "TempMcd.xml";
//这里相对路径不正确
map.SaveTo(fname, false);
string[] lines = File.ReadAllLines(fname);
StringBuilder sb = new StringBuilder();
for (int i = 1; i < lines.Length; i++)
{
sb.AppendLine(lines[i]);
}
return(new GxdVectorHost(sb.ToString()));
};
//
GxdDocument.GxdEnvelopeGetter = (df) =>
{
IDataFrameDataProvider provider = df.Provider as IDataFrameDataProvider;
if (provider == null)
{
return(null);
}
ICanvas c = provider.Canvas;
if (c == null)
{
return(null);
}
return(new GxdEnvelope(c.CurrentEnvelope.MinX, c.CurrentEnvelope.MaxX, c.CurrentEnvelope.MinY, c.CurrentEnvelope.MaxY));
};
//
GxdDocument.GxDataFrameRasterItemsSetter = (df, gxddf) =>
{
IDataFrameDataProvider provider = df.Provider as IDataFrameDataProvider;
if (provider == null)
{
return;
}
ICanvas c = provider.Canvas;
if (c == null)
{
return;
}
IRasterDrawing drawing = c.PrimaryDrawObject as IRasterDrawing;
if (drawing == null)
{
return;
}
IGxdRasterItem it = new GxdRasterItem(drawing.FileName, null);
gxddf.GxdRasterItems.Add(it);
};
//
GxdDocument.GxdAddDataFrameExecutor = (fileName, gxdf, host) =>
{
if (gxdf == null || host == null)
{
return;
}
IElement[] dfs = host.LayoutRuntime.QueryElements((e) => { return(e is IDataFrame); }, false);
if (dfs == null || dfs.Length == 0)
{
return;
}
foreach (IElement e in dfs)
{
if (e.Name != null && gxdf.Name != null && e.Name == gxdf.Name)
{
IDataFrame crtDataFrame = e as IDataFrame;
if (crtDataFrame.Provider == null)
{
continue;
}
crtDataFrame.IsLocked = true;
ICanvas canvas = (crtDataFrame.Provider as IDataFrameDataProvider).Canvas;
//set spatial ref
SetSpatialRefForDataFrame(gxdf.SpatialRef, crtDataFrame);
//raster
if (gxdf.GxdRasterItems != null && gxdf.GxdRasterItems.Count > 0)
{
foreach (IGxdRasterItem rst in gxdf.GxdRasterItems)
{
if (rst == null || string.IsNullOrEmpty(rst.FileName))
{
continue;
}
if (AddFileToCanvasViewerExecutor != null)
{
AddFileToCanvasViewerExecutor(rst.FileName, rst.Arguments, canvas, rst.FileOpenArgs, rst.ColorTableName);
}
}
}
//vector
if (gxdf.GxdVectorHost != null && gxdf.GxdVectorHost.McdFileContent != null)
{
string fname = Path.Combine(Path.GetDirectoryName(fileName), "tempMcd.xml");
File.WriteAllText(fname, gxdf.GxdVectorHost.McdFileContent.ToString());
if (canvas.LayerContainer.VectorHost == null)
{
IVectorHostLayer vhost = new VectorHostLayer(null, fname);
vhost.IsEnableDummyRender = false;
vhost.SomeDataIsArrivedHandler += new EventHandler((sender, arge) => { host.Render(true); });
canvas.LayerContainer.Layers.Add(vhost as GeoDo.RSS.Core.DrawEngine.ILayer);
}
}
//coord envelope
if (gxdf.Envelope != null && !gxdf.Envelope.IsEmpty())
{
GeoDo.RSS.Core.DrawEngine.CoordEnvelope evp = new CoordEnvelope(gxdf.Envelope.MinX, gxdf.Envelope.MaxX, gxdf.Envelope.MinY, gxdf.Envelope.MaxY);
canvas.CurrentEnvelope = evp;
}
//vector host
if (canvas.LayerContainer.VectorHost == null)
{
IVectorHostLayer vhost = new VectorHostLayer(null);
vhost.IsEnableDummyRender = false;
vhost.SomeDataIsArrivedHandler += new EventHandler((sender, arge) => { host.Render(true); });
canvas.LayerContainer.Layers.Add(vhost as GeoDo.RSS.Core.DrawEngine.ILayer);
}
//documentable layers
XElement otherLayersHost = crtDataFrame.GetDocumentableLayersHostXml();
if (otherLayersHost != null)
{
Object2Xml obj2xml = new Object2Xml();
foreach (XElement otherLyr in otherLayersHost.Elements())
{
//IDocumentableLayer lyr = obj2xml.FromXml(otherLyr) as IDocumentableLayer;
//if (lyr != null)
// lyr.Load();
}
}
break;
}
}
};
}
