private Task ShowAttributes()
{
return(QueuedTask.Run(() =>
{
try
{
_fieldAttributes.Clear();
if (SelectedLayer == null || SelectedOID == null)
{
return;
}
var oidField = SelectedLayer.GetTable().GetDefinition().GetObjectIDField();
var qf = new ArcGIS.Core.Data.QueryFilter()
{
WhereClause = string.Format("{0} = {1}", oidField, SelectedOID)
};
var cursor = SelectedLayer.Search(qf);
Row row = null;
if (cursor.MoveNext())
{
row = cursor.Current;
}
if (row == null)
{
return;
}
var fields = row.GetFields();
lock (_lock)
{
foreach (ArcGIS.Core.Data.Field field in fields)
{
if (field.FieldType == FieldType.Geometry)
{
continue;
}
var val = row[field.Name];
FieldAttributeInfo fa = new FieldAttributeInfo(field, (val is DBNull || val == null) ? null : val.ToString());
_fieldAttributes.Add(fa);
}
}
}
catch (Exception)
{
}
}));
}
private Task EditAnnotationSymbolAsync()
{
return(QueuedTask.Run(() => {
EditOperation op = new EditOperation();
op.Name = "Change annotation graphic";
//At 2.1 we must use an edit operation Callback...
op.Callback(context => {
RowCursor rowCursor;
if (SelectedLayer.GetSelection().GetCount() == 0) //The Selected layer has no selection
{
rowCursor = SelectedLayer.GetTable().Search(null, false);
}
else //Selection exists
{
var oidList = SelectedLayer.GetSelection().GetObjectIDs();
var oid = SelectedLayer.GetTable().GetDefinition().GetObjectIDField();
QueryFilter qf = new QueryFilter()
{
WhereClause = string.Format("({0} in ({1}))", oid, string.Join(",", oidList))
};
//Cursor must be non-recycling. Use the table ~not~ the layer..i.e. "GetTable().Search()"
//SelectedLayer is ~your~ Annotation layer
rowCursor = SelectedLayer.GetTable().Search(qf, false);
}
while (rowCursor.MoveNext())
{
using (var af = rowCursor.Current as AnnotationFeature)
{
var graphic = af.GetGraphic() as CIMTextGraphic;
graphic.Symbol = SelectedTextStyle.Symbol.MakeSymbolReference();
// update the graphic
af.SetGraphic(graphic);
// store is required
af.Store();
//refresh layer cache
context.Invalidate(af);
}
}
}, SelectedLayer.GetTable());
op.Execute();
//set the label's visiblity
if (IsLabelVisible)
{
(SelectedLayer as AnnotationLayer).SetVisibility(true);
}
}));
}
