protected override Task <bool> OnSketchCompleteAsync(Geometry geometry)
{
// execute on the MCT
return(QueuedTask.Run(() =>
{
// find features under the sketch
var features = MapView.Active.GetFeatures(geometry);
if (features.Count == 0)
{
return false;
}
EditOperation op = null;
foreach (var layerKey in features.Keys)
{
// is it an anno layer?
if (!(layerKey is AnnotationLayer))
{
continue;
}
// are there features?
var featOids = features[layerKey];
if (featOids.Count == 0)
{
continue;
}
// for each feature
foreach (var oid in featOids)
{
// create the edit operation
if (op == null)
{
op = new EditOperation();
op.Name = "Alter symbol to simple line callout";
op.SelectModifiedFeatures = true;
op.SelectNewFeatures = false;
}
// use the callback method
op.Callback(context =>
{
// find the feature
QueryFilter qf = new QueryFilter();
qf.WhereClause = "OBJECTID = " + oid.ToString();
// use the table
using (var table = layerKey.GetTable())
{
// make sure you use a non-recycling cursor
using (var rowCursor = table.Search(qf, false))
{
rowCursor.MoveNext();
if (rowCursor.Current != null)
{
ArcGIS.Core.Data.Mapping.AnnotationFeature annoFeature = rowCursor.Current as ArcGIS.Core.Data.Mapping.AnnotationFeature;
if (annoFeature != null)
{
// get the CIMTextGraphic
var textGraphic = annoFeature.GetGraphic() as CIMTextGraphic;
if (textGraphic != null)
{
//
// add a leader point to the text graphic
//
// get the feature shape
var feature = annoFeature as Feature;
var textExtent = feature.GetShape();
// find the lower left of the text extent
var extent = textExtent.Extent;
var lowerLeft = MapPointBuilder.CreateMapPoint(extent.XMin, extent.YMin, textExtent.SpatialReference);
// move it a little to the left and down
var newPoint = GeometryEngine.Instance.Move(lowerLeft, -40, -40);
// create a leader point
CIMLeaderPoint leaderPt = new CIMLeaderPoint();
leaderPt.Point = newPoint as MapPoint;
// add to a list
List <CIMLeader> leaderArray = new List <CIMLeader>();
leaderArray.Add(leaderPt);
// assign to the textGraphic
textGraphic.Leaders = leaderArray.ToArray();
//
// add the simpleLineCallout
//
CIMSimpleLineCallout lineCallout = new CIMSimpleLineCallout();
lineCallout.LineSymbol = SymbolFactory.Instance.ConstructLineSymbol(ColorFactory.Instance.GreyRGB, 1, SimpleLineStyle.Dash);
// asign it to the textSymbol
var symbol = textGraphic.Symbol.Symbol;
var textSymbol = symbol as CIMTextSymbol;
textSymbol.Callout = lineCallout;
try
{
// update the graphic
annoFeature.SetGraphic(textGraphic);
// store
annoFeature.Store();
// refresh the cache
context.Invalidate(annoFeature);
}
// SetGraphic can throw a GeodatabaseException if the AnnotationFeatureClassDefinition AreSymbolOverridesAllowed = false
// or if IsSymbolIDRequired = true and the symbol edit you're making causes the symbol to be disconnected from the symbol collection.
// see http://pro.arcgis.com/en/pro-app/sdk/api-reference/#topic17424.html
// and http://pro.arcgis.com/en/pro-app/sdk/api-reference/#topic17432.html
catch (GeodatabaseException ex)
{
}
}
}
}
}
}
}, layerKey.GetTable());
}
}
if ((op != null) && !op.IsEmpty)
{
bool result = op.Execute();
return result;
}
return
false;
}));
}
/// <summary>
/// Called when the sketch finishes. This is where we will create the edit operation and then execute it.
/// </summary>
/// <param name="geometry">The geometry created by the sketch.</param>
/// <returns>A Task returning a Boolean indicating if the sketch complete event was successfully handled.</returns>
protected override Task <bool> OnSketchCompleteAsync(Geometry geometry)
{
// execute on the MCT
return(QueuedTask.Run(() =>
{
// find features under the sketch
var features = MapView.Active.GetFeatures(geometry);
if (features.Count == 0)
{
return false;
}
EditOperation op = null;
var insp = new Inspector();
foreach (var annoLayer in features.ToDictionary().Keys.OfType <AnnotationLayer>())
{
// are there features?
var featOids = features[annoLayer];
if (featOids.Count == 0)
{
continue;
}
// for each feature
foreach (var oid in featOids)
{
// load an inspector
insp.Load(annoLayer, oid);
// get the annotation properties
var annoProperties = insp.GetAnnotationProperties();
// get the text graphic
var cimTextGraphic = annoProperties.TextGraphic;
if (cimTextGraphic != null)
{
//
// add a leader point to the text graphic
//
// get the feature shape
var textExtent = insp.Shape;
// find the lower left of the text extent
var extent = textExtent.Extent;
var lowerLeft = MapPointBuilderEx.CreateMapPoint(extent.XMin, extent.YMin, textExtent.SpatialReference);
// move it a little to the left and down
var newPoint = GeometryEngine.Instance.Move(lowerLeft, -40, -40);
// create a leader point
CIMLeaderPoint leaderPt = new CIMLeaderPoint();
leaderPt.Point = newPoint as MapPoint;
// add to a list
List <CIMLeader> leaderArray = new List <CIMLeader>();
leaderArray.Add(leaderPt);
// assign to the textGraphic
cimTextGraphic.Leaders = leaderArray.ToArray();
//
// add the balloon callout
//
// create the callout
CIMBalloonCallout balloon = new CIMBalloonCallout();
// yellow background
balloon.BackgroundSymbol = SymbolFactory.Instance.ConstructPolygonSymbol(ColorFactory.Instance.CreateRGBColor(255, 255, 0));
// set the balloon style
balloon.BalloonStyle = BalloonCalloutStyle.RoundedRectangle;
// add a text margin
CIMTextMargin textMargin = new CIMTextMargin()
{
Left = 4, Right = 4, Bottom = 4, Top = 4
};
balloon.Margin = textMargin;
// asign it to the textSymbol
var symbol = cimTextGraphic.Symbol.Symbol;
var textSymbol = symbol as CIMTextSymbol;
textSymbol.Callout = balloon;
// assign the text graphic back to the annotation properties
annoProperties.LoadFromTextGraphic(cimTextGraphic);
// assign the annotation properties back to the inspector
insp.SetAnnotationProperties(annoProperties);
}
// create the edit operation
if (op == null)
{
op = new EditOperation();
op.Name = "Alter symbol to balloon callout";
op.SelectModifiedFeatures = true;
op.SelectNewFeatures = false;
}
// modify the feature
op.Modify(insp);
}
}
if ((op != null) && !op.IsEmpty)
{
bool result = op.Execute();
return result;
}
return
false;
}));
}
protected override Task <bool> OnSketchCompleteAsync(Geometry geometry)
{
// execute on the MCT
return(QueuedTask.Run(() =>
{
// find features under the sketch
var features = MapView.Active.GetFeatures(geometry);
if (features.Count == 0)
{
return false;
}
EditOperation op = null;
foreach (var layerKey in features.Keys)
{
// is it an anno layer?
if (!(layerKey is AnnotationLayer))
{
continue;
}
// are there features?
var featOids = features[layerKey];
if (featOids.Count == 0)
{
continue;
}
// for each feature
foreach (var oid in featOids)
{
// create the edit operation
if (op == null)
{
op = new EditOperation();
op.Name = "Alter symbol to balloon callout";
op.SelectModifiedFeatures = true;
op.SelectNewFeatures = false;
}
// use the callback method
op.Callback(context =>
{
// find the feature
QueryFilter qf = new QueryFilter();
qf.WhereClause = "OBJECTID = " + oid.ToString();
// make sure you use a non-recycling cursor
using (var rowCursor = layerKey.GetTable().Search(qf, false))
{
rowCursor.MoveNext();
if (rowCursor.Current != null)
{
ArcGIS.Core.Data.Mapping.AnnotationFeature annoFeature = rowCursor.Current as ArcGIS.Core.Data.Mapping.AnnotationFeature;
if (annoFeature != null)
{
// get the CIMTextGraphic
var textGraphic = annoFeature.GetGraphic() as CIMTextGraphic;
if (textGraphic != null)
{
//
// add a leader point to the text graphic
//
// get the feature shape
var feature = annoFeature as Feature;
var textExtent = feature.GetShape();
// find the lower left of the text extent
var extent = textExtent.Extent;
var lowerLeft = MapPointBuilder.CreateMapPoint(extent.XMin, extent.YMin, textExtent.SpatialReference);
// move it a little to the left and down
var newPoint = GeometryEngine.Instance.Move(lowerLeft, -40, -40);
// create a leader point
CIMLeaderPoint leaderPt = new CIMLeaderPoint();
leaderPt.Point = newPoint as MapPoint;
// add to a list
List <CIMLeader> leaderArray = new List <CIMLeader>();
leaderArray.Add(leaderPt);
// assign to the textGraphic
textGraphic.Leaders = leaderArray.ToArray();
//
// add the balloon callout
//
// create the callout
CIMBalloonCallout balloon = new CIMBalloonCallout();
// yellow background
balloon.BackgroundSymbol = SymbolFactory.Instance.ConstructPolygonSymbol(ColorFactory.Instance.CreateRGBColor(255, 255, 0));
// set the balloon style
balloon.BalloonStyle = BalloonCalloutStyle.RoundedRectangle;
// add a text margin
CIMTextMargin textMargin = new CIMTextMargin()
{
Left = 4, Right = 4, Bottom = 4, Top = 4
};
balloon.Margin = textMargin;
// asign it to the textSymbol
var symbol = textGraphic.Symbol.Symbol;
var textSymbol = symbol as CIMTextSymbol;
textSymbol.Callout = balloon;
// update the textGraphic symbol
textGraphic.Symbol = symbol.MakeSymbolReference();
// update the graphic
annoFeature.SetGraphic(textGraphic);
// store
annoFeature.Store();
// refresh the cache
context.Invalidate(annoFeature);
}
}
}
}
}, layerKey.GetTable());
}
}
if ((op != null) && !op.IsEmpty)
{
bool result = op.Execute();
return result;
}
return
false;
}));
}
