public OWAToolViewModel()
{
_mcdaExtension = MCDAExtension.GetExtension();
_owaTool = ToolFactory.NewOWATool();
_owaResultDataTable = _owaTool.Data;
_selectedFeaturePropertyChangedEventHandler = _mcdaExtension.RegisterPropertyHandler(x => x.SelectedFeature, SelectedFeaturePropertyChanged);
//we have to call our own update method to make sure we have a result column
SelectedFeaturePropertyChanged(this, null);
// init stuff for the alpha selection
// all commands are defined in this class and set here
_alphaSelectionViewModel.CancelCommand = CancelAlphaSelectionCommand;
_alphaSelectionViewModel.ApplyCommand = ApplyAlphaSelectionCommand;
_alphaSelectionViewModel.OkayCommand = OkayAlphaSelectionCommand;
}
private void SelectedFeaturePropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (_isLocked)
{
return;
}
_owaTool = ToolFactory.NewOWATool();
_toolParameter = new BindingList <IToolParameter>(_owaTool.ToolParameterContainer.ToolParameter);
if (_selectedFeature != null)
{
foreach (var currentField in _selectedFeature.Fields)
{
currentField.UnRegisterPropertyHandler(_listOfpropertyChangedEventHandlersForFieldIsSelected);
}
}
_selectedFeature = _mcdaExtension.SelectedFeature;
if (_selectedFeature != null)
{
foreach (var currentField in _selectedFeature.Fields)
{
_listOfpropertyChangedEventHandlersForFieldIsSelected.Add(
currentField.RegisterPropertyHandler(f => f.IsSelected, FieldPropertyChanged));
}
if (_selectedFeature.Fields.Count(f => f.IsSelected) >= 1)
{
_owaTool.Run();
_owaResultDataTable = _owaTool.Data;
}
}
RegisterToolParameterEvents();
PropertyChanged.Notify(() => OWAParameter);
PropertyChanged.Notify(() => OWAResult);
CommandManager.InvalidateRequerySuggested();
}
private void FieldPropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (_isLocked)
{
return;
}
_owaTool = ToolFactory.NewOWATool();
_toolParameter = new BindingList <IToolParameter>(_owaTool.ToolParameterContainer.ToolParameter);
if (_selectedFeature.Fields.Count(f => f.IsSelected) >= 1)
{
_owaTool.Run();
_owaResultDataTable = _owaTool.Data;
}
RegisterToolParameterEvents();
PropertyChanged.Notify(() => OWAParameter);
PropertyChanged.Notify(() => OWAResult);
CommandManager.InvalidateRequerySuggested();
}