/// <summary>
/// Initializes a new instance of the <see cref="MeasureToolbar"/> class.
/// </summary>
public MeasureToolbar()
{
DefaultStyleKey = typeof(MeasureToolbar);
LinearUnits = new ObservableCollection <LinearUnit>()
{
Geometry.LinearUnits.Centimeters,
Geometry.LinearUnits.Feet,
Geometry.LinearUnits.Inches,
Geometry.LinearUnits.Kilometers,
Geometry.LinearUnits.Meters,
Geometry.LinearUnits.Miles,
Geometry.LinearUnits.Millimeters,
Geometry.LinearUnits.NauticalMiles,
Geometry.LinearUnits.Yards
};
AreaUnits = new ObservableCollection <AreaUnit>()
{
Geometry.AreaUnits.Acres,
Geometry.AreaUnits.Hectares,
Geometry.AreaUnits.SquareCentimeters,
Geometry.AreaUnits.SquareDecimeters,
Geometry.AreaUnits.SquareFeet,
Geometry.AreaUnits.SquareKilometers,
Geometry.AreaUnits.SquareMeters,
Geometry.AreaUnits.SquareMiles,
Geometry.AreaUnits.SquareMillimeters,
Geometry.AreaUnits.SquareYards
};
LineSketchEditor = new SketchEditor();
AreaSketchEditor = new SketchEditor();
SelectionLineSymbol = LineSketchEditor.Style.LineSymbol;
SelectionFillSymbol = AreaSketchEditor.Style.FillSymbol;
}
public async Task EditGeometryAsync(Graphic graphic, SpatialReference mapSpatialReference)
{
if (IsActive)
{
return;
}
try
{
IsActive = true;
SketchEditor.GeometryChanged += SketchEditor_GeometryChanged;
// Maps geometry spatialreference
var geometryToEdit = GeometryEngine.Project(graphic.Geometry, mapSpatialReference);
var geometry = await SketchEditor.StartAsync(geometryToEdit);
if (geometry == null)
{
return;
}
// Updates item in sqlite
var item = await DatabaseRepository.Current.LoadAsync <GeometryItem>(id : int.Parse(graphic.GetId()));
if (item == null)
{
return;
}
item.GeometryJson = geometry.ToJson();
item.GeometryType = geometry.GeometryType.ToString();
await DatabaseRepository.Current.InsertAsync(item);
graphic.Geometry = geometry;
}
catch (Exception ex)
{
Debug.WriteLine("EditGeometryAsync Exception: " + ex.Message);
}
finally
{
IsActive = false;
IsGeometryInfoVisible = false;
SketchEditor.GeometryChanged -= SketchEditor_GeometryChanged;
}
}
public async Task CreateNewGeometry(SketchCreationMode creationMode, bool measure = false)
{
if (IsActive)
{
return;
}
try
{
IsActive = true;
SketchEditor.GeometryChanged += SketchEditor_GeometryChanged;
var geometry = await SketchEditor.StartAsync(creationMode, new SketchEditConfiguration());
if (geometry == null || measure)
{
return;
}
// Creates a sqlite object to save data
var item = new GeometryItem
{
Color = Color.Red.Name,
GeometryType = geometry.GeometryType.ToString(),
GeometryJson = geometry.ToJson()
};
// Saves data
await DatabaseRepository.Current.InsertAsync(item);
// Creates graphic
var graphic = GraphicFactory.Current.CreateGraphic(geometry, Color.Red, item.Id);
// Add graphic to overlay
OverlayProvider.Current.GeometryOverlay.Graphics.Add(graphic);
}
catch (Exception ex)
{
Debug.WriteLine("CreateNewGeometry Exception: " + ex.Message);
}
finally
{
IsActive = false;
IsGeometryInfoVisible = false;
SketchEditor.GeometryChanged -= SketchEditor_GeometryChanged;
}
}
public async Task <Geometry> CreateAreaToDownloadAsync(string infoMessage)
{
if (IsActive)
{
return(null);
}
try
{
IsActive = true;
GeometryInfo = infoMessage;
IsGeometryInfoVisible = true;
var geometry = await SketchEditor.StartAsync(SketchCreationMode.Polygon, new SketchEditConfiguration()
{
AllowMove = true,
ResizeMode = SketchResizeMode.Stretch,
AllowRotate = true
});
return(geometry);
}
catch (Exception ex)
{
Debug.WriteLine("CreateNewGeometry Exception: " + ex.Message);
}
finally
{
IsActive = false;
IsGeometryInfoVisible = false;
}
return(null);
}
public override void OnApplyTemplate()
#endif
{
base.OnApplyTemplate();
_measureLengthButton = GetTemplateChild("MeasureLength") as ToggleButton;
if (_measureLengthButton != null)
{
_measureLengthButton.Click += OnToggleMeasureMode;
}
_measureAreaButton = GetTemplateChild("MeasureArea") as ToggleButton;
if (_measureAreaButton != null)
{
_measureAreaButton.Click += OnToggleMeasureMode;
}
_measureFeatureButton = GetTemplateChild("MeasureFeature") as ToggleButton;
if (_measureFeatureButton != null)
{
_measureFeatureButton.Click += OnToggleMeasureMode;
}
_clearButton = GetTemplateChild("Clear") as ButtonBase;
if (_clearButton != null)
{
_measureFeatureResultOverlay.Graphics.CollectionChanged += (s, e) =>
{
if (Mode == MeasureToolbarMode.Feature)
{
_clearButton.IsEnabled = _measureFeatureResultOverlay.Graphics.Any();
AddMeasureFeatureResultOverlay(MapView);
}
};
_clearButton.Click += OnClear;
}
_measureResultTextBlock = GetTemplateChild("MeasureResult") as TextBlock;
_linearUnitsSelector = GetTemplateChild("LinearUnitsSelector") as UIElement;
_areaUnitsSelector = GetTemplateChild("AreaUnitsSelector") as UIElement;
if (LinearUnits == null || !LinearUnits.Any())
{
LinearUnits = new LinearUnit[]
{
Geometry.LinearUnits.Centimeters,
Geometry.LinearUnits.Feet,
Geometry.LinearUnits.Inches,
Geometry.LinearUnits.Kilometers,
Geometry.LinearUnits.Meters,
Geometry.LinearUnits.Miles,
Geometry.LinearUnits.Millimeters,
Geometry.LinearUnits.NauticalMiles,
Geometry.LinearUnits.Yards
};
}
if (SelectedLinearUnit == null)
{
SelectedLinearUnit = LinearUnits.Any(u => u == Geometry.LinearUnits.Meters) ?
Geometry.LinearUnits.Meters :
LinearUnits.FirstOrDefault();
}
if (AreaUnits == null || !AreaUnits.Any())
{
AreaUnits = new AreaUnit[]
{
Geometry.AreaUnits.Acres,
Geometry.AreaUnits.Hectares,
Geometry.AreaUnits.SquareCentimeters,
Geometry.AreaUnits.SquareDecimeters,
Geometry.AreaUnits.SquareFeet,
Geometry.AreaUnits.SquareKilometers,
Geometry.AreaUnits.SquareMeters,
Geometry.AreaUnits.SquareMiles,
Geometry.AreaUnits.SquareMillimeters,
Geometry.AreaUnits.SquareYards
};
}
if (SelectedAreaUnit == null)
{
SelectedAreaUnit = AreaUnits.Any(u => u == Geometry.AreaUnits.SquareMiles) ?
Geometry.AreaUnits.SquareMiles :
AreaUnits.FirstOrDefault();
}
if (LineSketchEditor == null)
{
LineSketchEditor = new SketchEditor();
}
if (AreaSketchEditor == null)
{
AreaSketchEditor = new SketchEditor();
}
if (SelectionLineSymbol == null)
{
SelectionLineSymbol = LineSketchEditor?.Style?.LineSymbol;
}
if (SelectionFillSymbol == null)
{
SelectionFillSymbol = AreaSketchEditor?.Style?.FillSymbol;
}
Mode = MeasureToolbarMode.None;
PrepareMeasureMode();
}
