private void LayersChanged(object sender, NotifyCollectionChangedEventArgs e)
{
switch (e.Action)
{
case NotifyCollectionChangedAction.Add:
foreach (ILayer layer in e.NewItems)
{
AddLayer(layer);
}
break;
case NotifyCollectionChangedAction.Remove:
foreach (ILayer layer in e.OldItems)
{
RemoveLayer(layer);
}
break;
case NotifyCollectionChangedAction.Move:
int oldIndex = e.OldStartingIndex;
int newIndex = e.NewStartingIndex;
if (oldIndex != -1 && newIndex != -1)
{
IProjectExplorerNodeViewModel entry = this.LayerNodes[oldIndex];
this.LayerNodes[oldIndex] = this.LayerNodes[newIndex];
this.LayerNodes[newIndex] = entry;
}
break;
default:
break;
}
}
public void ChangeCurrentProject(ProjectNodeViewModel projectEntry)
{
if (projectEntry == null)
{
return;
}
if (projectEntry == this.selectedNode)
{
return;
}
this.selectedNode = projectEntry;
this.Session.CurrentProject.Value = projectEntry.Project;
}
public static IProjectExplorerNodeViewModel GenerateLayer(IEventAggregator eventAggregator, IActionHandler handler, ILayer layer)
{
IProjectExplorerNodeViewModel entry = null;
if (typeof(Layer).IsInstanceOfType(layer))
{
entry = new LayerNodeViewModel(eventAggregator, handler, layer as Layer);
}
else if (typeof(LayerGroup).IsInstanceOfType(layer))
{
entry = new LayerGroupViewModel(eventAggregator, handler, layer as LayerGroup);
}
return(entry);
}
private void CurrentMapsChanged(object sender, NotifyCollectionChangedEventArgs e)
{
switch (e.Action)
{
case NotifyCollectionChangedAction.Add:
foreach (Map map in e.NewItems)
{
MapNodeViewModel node = new MapNodeViewModel(this.eventAggregator, actionHandler, map);
this.ExplorerNodes.Add(node);
}
break;
case NotifyCollectionChangedAction.Remove:
IEnumerable <MapNodeViewModel> projectViewModels = this.ExplorerNodes.OfType <MapNodeViewModel>();
foreach (Map map in e.OldItems)
{
MapNodeViewModel toRemove = projectViewModels.FirstOrDefault(entry => entry.Map == map);
this.ExplorerNodes.Remove(toRemove);
}
break;
case NotifyCollectionChangedAction.Move:
int oldIndex = e.OldStartingIndex;
int newIndex = e.NewStartingIndex;
if (oldIndex != -1 && newIndex != -1)
{
IProjectExplorerNodeViewModel entry = this.ExplorerNodes[oldIndex];
this.ExplorerNodes[oldIndex] = this.ExplorerNodes[newIndex];
this.ExplorerNodes[newIndex] = entry;
}
break;
default:
break;
}
}
public void AddLayer(ILayer layer)
{
IProjectExplorerNodeViewModel node = ProjectExplorerMethods.GenerateLayer(this.eventAggregator, this.actionHandler, layer);
this.LayerNodes.Add(node);
}
