//Using Inspector...
internal async void UpdateTextString()
{
BasicFeatureLayer annoLayer = MapView.Active.Map.GetLayersAsFlattenedList().First() as BasicFeatureLayer;
var oid = 1;
#region Update Annotation Text via attribute. Caveat: The TEXTSTRING Anno attribute must exist
//See "Change Annotation Text Graphic" for an alternative if TEXTSTRING is missing from the schema
await QueuedTask.Run(() =>
{
//annoLayer is ~your~ Annotation layer...
// use the inspector methodology
var insp = new Inspector();
insp.Load(annoLayer, oid);
// make sure TextString attribute exists.
//It is not guaranteed to be in the schema
ArcGIS.Desktop.Editing.Attributes.Attribute att = insp.FirstOrDefault(a => a.FieldName == "TEXTSTRING");
if (att != null)
{
insp["TEXTSTRING"] = "Hello World";
//create and execute the edit operation
EditOperation op = new EditOperation();
op.Name = "Update annotation";
op.Modify(insp);
//OR using a Dictionary - again TEXTSTRING has to exist in the schema
//Dictionary<string, object> newAtts = new Dictionary<string, object>();
//newAtts.Add("TEXTSTRING", "hello world");
//op.Modify(annoLayer, oid, newAtts);
op.Execute();
}
});
#endregion
#region Rotate or Move the Annotation
await QueuedTask.Run(() =>
{
//Don't use 'Shape'....Shape is the bounding box of the annotation text. This is NOT what you want...
//
//var insp = new Inspector();
//insp.Load(annoLayer, oid);
//var shape = insp["SHAPE"] as Polygon;
//...wrong shape...
//Instead, we must get the TextGraphic from the anno feature.
//The TextGraphic shape will be the anno baseline...
//At 2.1 the only way to retrieve this textLine is to obtain the TextGraphic from the AnnotationFeature
QueryFilter qf = new QueryFilter()
{
WhereClause = "OBJECTID = 1"
};
//annoLayer is ~your~ Annotation layer
using (var rowCursor = annoLayer.Search(qf))
{
if (rowCursor.MoveNext())
{
using (var annoFeature = rowCursor.Current as ArcGIS.Core.Data.Mapping.AnnotationFeature)
{
var graphic = annoFeature.GetGraphic();
var textGraphic = graphic as CIMTextGraphic;
var textLine = textGraphic.Shape as Polyline;
// rotate the shape 90 degrees
var origin = GeometryEngine.Instance.Centroid(textLine);
Geometry rotatedPolyline = GeometryEngine.Instance.Rotate(textLine, origin, System.Math.PI / 2);
//Move the line 5 "units" in the x and y direction
//GeometryEngine.Instance.Move(textLine, 5, 5);
EditOperation op = new EditOperation();
op.Name = "Change annotation angle";
op.Modify(annoLayer, oid, rotatedPolyline);
op.Execute();
}
}
}
});
#endregion
#region Change Annotation Text Graphic
await QueuedTask.Run(() =>
{
EditOperation op = new EditOperation();
op.Name = "Change annotation graphic";
//At 2.1 we must use an edit operation Callback...
op.Callback(context =>
{
QueryFilter qf = new QueryFilter()
{
WhereClause = "OBJECTID = 1"
};
//Cursor must be non-recycling. Use the table ~not~ the layer..i.e. "GetTable().Search()"
//annoLayer is ~your~ Annotation layer
using (var rowCursor = annoLayer.GetTable().Search(qf, false))
{
if (rowCursor.MoveNext())
{
using (var annoFeature = rowCursor.Current as ArcGIS.Core.Data.Mapping.AnnotationFeature)
{
//Get the graphic from the anno feature
var graphic = annoFeature.GetGraphic();
var textGraphic = graphic as CIMTextGraphic;
// change the text and the color
textGraphic.Text = "hello world";
var symbol = textGraphic.Symbol.Symbol;
symbol.SetColor(ColorFactory.Instance.RedRGB);
textGraphic.Symbol = symbol.MakeSymbolReference();
// update the graphic
annoFeature.SetGraphic(textGraphic);
// store is required
annoFeature.Store();
//refresh layer cache
context.Invalidate(annoFeature);
}
}
}
}, annoLayer.GetTable());
op.Execute();
});
#endregion
}
protected override async Task OnToolActivateAsync(bool active)
{
// get the Precincts feature layer in the active map
_pointLayer = ActiveMapView.Map.GetLayersAsFlattenedList().OfType <FeatureLayer>().
Where(lyr => lyr.Name == "Police Stations").FirstOrDefault();
if (_pointLayer == null)
{
return;
}
// build the attribute dictionaries
_attributesValid = new Dictionary <string, bool>();
_attributes = new Dictionary <string, object>();
// get the embedded control
if (_attributeVM == null)
{
_attributeVM = this.EmbeddableControl as AttributeControlViewModel;
}
// these are the fields that we will collect values from the user
var fieldNames = new List <string>()
{
"Precinct", "Address"
};
// set up the inspector
var inspector = new Inspector();
foreach (var fieldName in fieldNames)
{
// add the attribute
ArcGIS.Desktop.Editing.Attributes.Attribute attr = await inspector.AddAttributeAsync(_pointLayer, fieldName, false);
// set the validity to true
_attributesValid.Add(fieldName, true);
// add some validation - in this example we will make each field mandatory
attr.AddValidate(() =>
{
var errors = new List <ArcGIS.Desktop.Editing.Attributes.Attribute.ValidationError>();
if (string.IsNullOrWhiteSpace(attr.CurrentValue.ToString()))
{
// add an error
errors.Add(ArcGIS.Desktop.Editing.Attributes.Attribute.ValidationError.Create("Value is mandatory", ArcGIS.Desktop.Editing.Attributes.Severity.High));
// set the validity to false
_attributesValid[fieldName] = false;
}
else
{
// store the value
if (!_attributes.ContainsKey(fieldName))
{
_attributes.Add(fieldName, attr.CurrentValue);
}
else
{
_attributes[fieldName] = attr.CurrentValue;
}
// set the validity to true
_attributesValid[fieldName] = true;
}
return(errors);
});
}
// create the embedded control and assign the view/viewmodel pair
var tuple = inspector.CreateEmbeddableControl();
_attributeVM.InspectorViewModel = tuple.Item1;
_attributeVM.InspectorView = tuple.Item2;
}
protected async void Button_Click(object sender, RoutedEventArgs e)
{
gesture = new List <Point>();
sketchPad.Children.Clear();
try
{
BasicFeatureLayer layer = null;
List <Inspector> inspList = new List <Inspector>();
Inspector inspector = null;
await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
{
//find selected layer
if (MapView.Active.GetSelectedLayers().Count == 0)
{
//MessageBox.Show("Select a feature class from the Content 'Table of Content' first.");
return;
}
layer = MapView.Active.GetSelectedLayers()[0] as BasicFeatureLayer;
// get selected features from the map
var features = layer.GetSelection();
if (features.GetCount() == 0)
{
return;
/*ToDo : add error msg: no feature selected*/
}
// get ids of all the selected features
var featOids = features.GetObjectIDs();
if (featOids.Count == 0)
{/* ToDo : something is wrong*/
}
// adding the inspectors to a list so that separate id values can be assigned later
for (int i = 0; i < featOids.Count; i++)
{
var insp = new Inspector();
insp.Load(layer, featOids.ElementAt(i));
inspList.Add(insp);
}
inspector = new Inspector();
inspector.Load(layer, featOids);
});
if (layer == null)
{
}
//MessageBox.Show("Unable to find a feature class at the first layer of the active map");
else
{
//update the attributes of those features
// make sure tha attribute exists
ArcGIS.Desktop.Editing.Attributes.Attribute att = inspector.FirstOrDefault(a => a.FieldName == "UID");
if (att == null)
{
// if the attribute doesn't exist we create a new field
var dataSource = await GetDataSource(layer);
//MessageBox.Show($@"{dataSource} was found ... adding a new Field");
await
ExecuteAddFieldTool(layer, new KeyValuePair <string, string>("UID", "uniqueId"), "Text", 50);
}
await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
{
// we add values of ids to the selected features
for (int i = 0; i < inspList.Count; i++)
{
if (inspList.ElementAt(i)["UID"] == null || (String)inspList.ElementAt(i)["UID"] == String.Empty)
{
// putting a random string now, this should be replaced by the tag user puts in after the recognition part is done.
inspList.ElementAt(i)["UID"] = "newAtr" + attributeIndex++;
var op = new EditOperation();
op.Name = "Update";
op.SelectModifiedFeatures = true;
op.SelectNewFeatures = false;
op.Modify(inspList.ElementAt(i));
op.Execute();
}
}
/* var att2 = insp.Select(a => a.FieldName == "UID");
* var att3 = insp.GroupBy(a => a.FieldName == "UID");
* var att4 = insp.Any(a => a.FieldName == "UID");
* var att5 = insp.Where(a => a.FieldName == "UID")*/
//insp["UID"] = "newAtr";
});
}
}
catch (Exception ex)
{
//MessageBox.Show(ex.ToString());
}
}
