public void RestoreBeforeExit()
{
// _attributeViewModel is set to null after this, so no need to restore its settings
SketchType = SketchGeometryType.Rectangle;
if (_attributeViewModel != null)
{
_attributeViewModel.PickControlButtonClicked -= SwitchToPointSketch;
_attributeViewModel.ShiftAndScaleButtonClicked -= ShiftAndScaleFeatures;
_attributeViewModel = null;
}
}
/// <summary>
/// prepares the content for the embeddable control when this tool is activated (i.e. when this tool is clicked). This is the ENTRY POINT!
/// </summary>
protected override Task OnToolActivateAsync(bool active)
{
if (_attributeViewModel == null)
{
_attributeViewModel = this.EmbeddableControl as AttributeControlViewModel;
_attributeViewModel.PickControlButtonClicked += SwitchToPointSketch;
_attributeViewModel.ShiftAndScaleButtonClicked += ShiftAndScaleFeatures;
}
_attributeViewModel.UserPromptText = "Make a selection";
_attributeViewModel.HasUserSelectedFeatures = false;
return(base.OnToolActivateAsync(active));
}
public AttributeControlView()
{
InitializeComponent();
_viewModel = this.DataContext as AttributeControlViewModel;
}