OliviaAddInPro/Helper/HelperGdb.cs

339 lines
13 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Policy;
using System.Text;
using System.Threading.Tasks;
using ArcGIS.Desktop.Catalog;
using ArcGIS.Desktop.Core;
using ArcGIS.Desktop.Framework;
using System.Collections.ObjectModel;
using ArcGIS.Core.Geometry;
using ArcGIS.Core.Data;
using ArcGIS.Desktop.Mapping;
using ArcGIS.Core.Internal.CIM;
namespace OliviaAddInPro.Helper
{
public static class HelperGdb
{
public static string out_st = string.Empty;
[Flags]
public enum TiposOpenFileDlg
{
OpenFtrClassLine=1,
OpenFtrClassPoint=2,
OpenFtrClassPolygon=4,
OpenGdb=8,
}
//Dado el tipo de FtClass y una posición inicial abre un diálogo de búsqueda de ftclass
//si se cancela o no es una feature class lo que se ha abierto devuelve null
//si no, devuelve la featureclass directamente abierta
public static FeatureClass OpenFtClassDialog(TiposOpenFileDlg tipo, string initialLoc = "")
{
FeatureClass fc = null;
string path = OpenFileDialog( tipo, initialLoc);
if(!string.IsNullOrEmpty(path))
{
fc = GetFtClass(path);
}
return fc;
}
//Libera el objeto
public static void Free(IDisposable obj)
{
obj.Dispose();
}
//Devuelve el Path del archivo seleccionado o un string vacío si se ha cancelado
public static string OpenFileDialog(TiposOpenFileDlg tipo, string initialLoc="")
{
string titulo;
titulo = "Abrir Archivo";
//Create a browse filter that uses Pro's "esri_browseDialogFilters_geodatabases" filter.
//The browse filter is used in an OpenItemDialog.
//fuentes filtros
//https://github.com/Esri/arcgis-pro-sdk-community-samples/blob/master/Map-Exploration/IdentifyWindow/Daml.cs
BrowseProjectFilter filtro = new BrowseProjectFilter();
if ((tipo & TiposOpenFileDlg.OpenFtrClassLine)== TiposOpenFileDlg.OpenFtrClassLine)
{
filtro.AddFilter(BrowseProjectFilter.GetFilter("esri_browseDialogFilters_featureClasses_line"));
titulo = "Abrir Feature Class";
}
if ((tipo & TiposOpenFileDlg.OpenFtrClassPoint) == TiposOpenFileDlg.OpenFtrClassPoint)
{
filtro.AddFilter(BrowseProjectFilter.GetFilter("esri_browseDialogFilters_featureClasses_point"));
titulo = "Abrir Feature Class";
}
if ((tipo & TiposOpenFileDlg.OpenFtrClassPolygon) == TiposOpenFileDlg.OpenFtrClassPolygon)
{
filtro.AddFilter(BrowseProjectFilter.GetFilter("esri_browseDialogFilters_featureClasses_polygon"));
titulo = "Abrir Feature Class";
}
if ((tipo & TiposOpenFileDlg.OpenGdb) == TiposOpenFileDlg.OpenGdb)
{
filtro.AddFilter(BrowseProjectFilter.GetFilter("esri_browseDialogFilters_geodatabases"));
titulo = "Abrir Geodatabase";
}
if(tipo==0)
{
filtro.AddFilter(BrowseProjectFilter.GetFilter(""));
}
//Display the filter in an Open Item dialog
OpenItemDialog aNewFilter = new OpenItemDialog
{
Title = titulo,
InitialLocation = initialLoc,
MultiSelect = false,
//Set the BrowseFilter property to Pro's Geodatabase filter.
BrowseFilter = filtro
};
bool? ok = aNewFilter.ShowDialog();
if ((ok ?? true) && aNewFilter.Items.Count() > 0)
return aNewFilter.Items.First().Path;
else
return string.Empty;
}
/*public static bool SelecPolig(string title, int wnd_handle, out string text_sal, out IGeometry geom_sal)
{
}
public static bool SelecInstal(string title, int wnd_handle, out string text_sal, out double x, out double y)
{
}*/
//Dado un path comprueba que sea de una gdb, termina en .gdb, o si tiene .gdb en medio lo corta ahí
//y si no tiene devuelve vacío
public static string GetPathGdb(string path)
{
string pathGdb = string.Empty;
int i = 0;
string gdbext = ".gdb";
if(path.Contains(gdbext))
{
i = path.IndexOf(gdbext, 0, path.Length);
pathGdb = path.Substring(0, i + 4);
}
return pathGdb;
}
//Dado un path aunque sea de una feature class, devuelve el path de la gdb que la contiene, o si
//es de gdb directamente, y si no tiene .gdb, devuelve null
public static Task<Geodatabase> GetGdb(string pathGdb)
{
Geodatabase fileGeodatabase = null;
return ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
{
string path = GetPathGdb(pathGdb);
if (!string.IsNullOrEmpty(path))
{
try
{
fileGeodatabase = new Geodatabase(new FileGeodatabaseConnectionPath(new Uri(path)));
}
catch (Exception ex)
{
out_st = "Error al abrir Geodatabase " + path + ": " + ex.Message;
return null;
}
}
return fileGeodatabase;
});
//return fileGeodatabase;
}
//Dado un path de una feature class devuelve la ftclass abierta directamente,
//o null si ha habido algún problema o no lo ha encontrado
public static FeatureClass GetFtClass(string pathFtClss)
{
FeatureClass ftclss = null;
Geodatabase gdb = GetGdb(pathFtClss).Result;
if (gdb != null)
{
ftclss = GetFtClass(System.IO.Path.GetFileNameWithoutExtension(pathFtClss), gdb).Result;
}
else //mira a ver si es shapefile
{
ftclss = GetFtClassFromShp(pathFtClss).Result;
}
return ftclss;
}
//Dado el path de una gdb y el nombre de una feature class, devuelve la
//feature class abierta, o null si hay algun problema
public static Task<FeatureClass> GetFtClass(string nameFtclss, Geodatabase gdb)
{
FeatureClass ftclss = null;
return ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
{
try
{
ftclss = gdb.OpenDataset<FeatureClass>(nameFtclss);
}
catch (Exception ex)
{
out_st = "Error al abrir Feature Class " + nameFtclss + ": " + ex.Message;
return null;
}
return ftclss;
});
}
//Abre una feature class cuando es un shapefile
public static Task<FeatureClass> GetFtClassFromShp(string pathShp)
{
FeatureClass ftclss = null;
return ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
{
if (pathShp.Contains(".shp"))
{
try
{
string shpname = System.IO.Path.GetFileNameWithoutExtension(pathShp);
var shapeFileConnPath = new FileSystemConnectionPath(new Uri(pathShp), FileSystemDatastoreType.Shapefile);
var shapefile = new FileSystemDatastore(shapeFileConnPath);
ftclss = shapefile.OpenDataset<FeatureClass>(shpname);
}
catch (Exception ex)
{
out_st = "Error al abrir Shapefile " + pathShp + ": " + ex.Message;
return null;
}
}
return ftclss;
});
}
//devuelve el campo dado el nombre
private static Task<ArcGIS.Core.Data.Field> GetFieldByName(FeatureClass ftClss, string fieldName)
{
FeatureClassDefinition ftcldef = ftClss.GetDefinition();
ArcGIS.Core.Data.Field field=null;
return ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
{
try
{
field = ftcldef.GetFields().First(x => x.Name.Equals(fieldName));
}
catch (Exception ex)
{
out_st = "No se encuentra el campo " + fieldName + ": " + ex.Message;
return null;
}
return field;
});
}
//Devuelve una lista con los campos de una feature class
public static Task<ObservableCollection<string>> GetFields(FeatureClass fc)
{
FeatureClassDefinition ftcldef=null;
IReadOnlyList<ArcGIS.Core.Data.Field> fields = null;
ObservableCollection<string> fields_st = new ObservableCollection<string>();
return ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
{
try
{
ftcldef = fc.GetDefinition();
fields = ftcldef.GetFields();
foreach (ArcGIS.Core.Data.Field f in fields)
{
fields_st.Add(f.Name);
}
}
catch (Exception ex)
{
out_st = "Error al leer los campos " + fc.GetName() + ": " + ex.Message;
return fields_st;
}
return fields_st;
});
}
//Devuelve comilla simple si el campo es de texto, o nada si es númerico
//var whereClause = $"{SelectedField} = {Quote(f)}{FieldValue}{Quote(f)}";
public static string Quote(ArcGIS.Core.Data.Field f)
{
return f.FieldType == FieldType.String ? "'" : "";
}
//Dado un nombre de campo, devuelve los atributos que aparecen distintos
public static Task<ObservableCollection<string>> GetAttributes(FeatureClass fc, string fieldName)
{
ObservableCollection<string> attribs_st = new ObservableCollection<string>();
return ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
{
try
{
FeatureClassDefinition ftcldef = fc.GetDefinition();
ArcGIS.Core.Data.Field field = ftcldef.GetFields().First(x => x.Name.Equals(fieldName));
string whereClause = $"";
ArcGIS.Core.Data.QueryFilter queryFilter = new ArcGIS.Core.Data.QueryFilter { WhereClause = whereClause };
using (RowCursor rowCursor = fc.Search(queryFilter))
{
while (rowCursor.MoveNext())
{
using (Row row = rowCursor.Current)
{
attribs_st.Add(Convert.ToString(row[fieldName]));
}
}
}
}
catch (Exception ex)
{
out_st = "Error al leer los campos " + fc.GetName() + ": " + ex.Message;
return attribs_st;
}
return attribs_st;
});
}
/*public static Geometry GetGeomSel(string pathLyr, string selField, ObservableCollection<string> selAttributes, out string textoSal)
{
string _textosal = "";
Geometry geomsal = null;
/*is_str = FunGDB.is_str_field(clase_path, selField);
nval = list.selec_valores_campo(selField, out val_ids, out val_st);//valores únicos
if (nval > 0)
{
//se embucla para unir las geoms
for (int i = 0; i < nval; i++)
{
if (is_str)
consulta = selField + " = '" + val_st[i] + "'";
else
consulta = selField + " = " + val_st[i];
ids = FunGDB.dame_ids_consulta(clase_path, consulta);
fc = FunGDB.abre_ftclass(clase_path);
if ((ids != null) && (fc != null))
{
for (j = 0; j < ids.Length; j++)
{
f = fc.GetFeature(ids[j]);
geom = f.Shape;
geom_sal = FunGDB.une_geoms(geom_sal, geom);
FunGDB.libera(f);
}
}
FunGDB.libera(fc);
//Actualiza el texto de salida
_textosal = _textosal + HelperGlobal.RevisaText(val_st[i]);
}
}
textoSal = _textosal;
return geomsal;
}*/
}
}