protected SymbolsViewModel()
{
SearchPauseSearching = true;
#region Events
//Subscribe to ProjectItemsChangedEvent to update ProjecyStyles
ProjectItemsChangedEvent.Subscribe(OnProjectItemsChanged);
ProjectClosedEvent.Subscribe(OnProjectClosed);
//Subscribe to ActiveMapViewChangedEvent in order to get the layers in the map
ActiveMapViewChangedEvent.Subscribe(OnActiveMapViewChanged);
LayersAddedEvent.Subscribe(OnLayersAdded);
LayersRemovedEvent.Subscribe(OnLayersemoved);
//Subscribe to Graphic Elements selection changed event
ElementSelectionChangedEvent.Subscribe(OnGraphicsElementSelectionChanged);
#endregion
BindingOperations.EnableCollectionSynchronization(_layersInMap, _layersInMapLock);
_ = GetLayersInMapAsync();
_patchTypes = new Dictionary <StyleItemType, SymbolPatchType>
{
{ StyleItemType.LineSymbol, SymbolPatchType.ZigzagLine },
{ StyleItemType.PolygonSymbol, SymbolPatchType.BoundaryPoly }
};
//Get the Styles in the project
ProjectFilterStyles.Add(new SymbolSearcherSearchFilter(true));
ProjectFilterStyles.Add(new SymbolSearcherSearchFilter());
foreach (var pi in Project.Current.GetItems <StyleProjectItem>())
{
ProjectFilterStyles.Add(new SymbolSearcherSearchFilter(false, pi));
}
if (SelectedProjectFilterStyle == null && ProjectFilterStyles.Count > 0)
{
SelectedProjectFilterStyle = ProjectFilterStyles[0];
}
//Get the various StyleItemTypes in Pro.
foreach (StyleItemType sit in Enum.GetValues(typeof(StyleItemType)))
{
if (sit == 0)
{
continue;
}
StyleItemTypeValues.Add(sit);
}
SelectedStyleItemType = StyleItemTypeValues.FirstOrDefault();
SearchPauseSearching = false;
}
private void OnProjectItemsChanged(ProjectItemsChangedEventArgs obj)
{
if (!(obj.ProjectItem is StyleProjectItem pi))
{
return;
}
var getStyleProjectItems = (Action)(() =>
{
if (ProjectFilterStyles.Count == 0)
{
ProjectFilterStyles.Add(new SymbolSearcherSearchFilter(true));
ProjectFilterStyles.Add(new SymbolSearcherSearchFilter());
}
ProjectFilterStyles.Add(new SymbolSearcherSearchFilter(false, pi));
if (SelectedProjectFilterStyle == null && ProjectFilterStyles.Count > 0)
{
// select the default search type
SelectedProjectFilterStyle = ProjectFilterStyles[0];
SearchPauseSearching = false;
}
});
ActionOnGuiThread(getStyleProjectItems);
}
private void OnProjectClosed(ProjectEventArgs obj)
{
ActionOnGuiThread(() => {
ProjectFilterStyles.Clear();
});
}
