public void lineScenes_CollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
{
StoryLineViewModel storylineModel = sender as StoryLineViewModel;
if (storylineModel == null)
{
return;
}
StoryViewModel storyModel = storylineModel.StoryModel;
Story story = storyModel.Story;
if (e.Action == System.Collections.Specialized.NotifyCollectionChangedAction.Remove)
{
SceneViewModel removedSceneModel = e.OldItems[0] as SceneViewModel;
m_removedItem = removedSceneModel;
InteractiveScene removedScene = removedSceneModel.CurrentScene as InteractiveScene;
IList<IScene> oldSuccessors = removedScene.PossibleScenes;
if (removedScene == story.StartScene && oldSuccessors.Count == 1)
{
story.StartScene = oldSuccessors[0];
}
else
{
InteractiveScene oldPredecessor = GetPredecessor(e.OldStartingIndex, storylineModel);
oldPredecessor.PossibleScenes.Remove(removedScene);
foreach(IScene scene in oldSuccessors)
{
oldPredecessor.PossibleScenes.Add(scene);
}
}
}
if (e.Action == System.Collections.Specialized.NotifyCollectionChangedAction.Add)
{
SceneViewModel addedSceneModel = e.NewItems[0] as SceneViewModel;
InteractiveScene addedScene = addedSceneModel.CurrentScene as InteractiveScene;
if (story.StartScene == null)
{
story.StartScene = addedScene;
return;
}
int addedSceneIndex = e.NewStartingIndex;
InteractiveScene newPredecessor = GetPredecessor(addedSceneIndex, storylineModel);
InteractiveScene newSuccessor = GetSuccessor(addedSceneIndex, storylineModel);
if (newPredecessor != null)
{
newPredecessor.PossibleScenes.Remove(newSuccessor);
newPredecessor.PossibleScenes.Add(addedScene);
}
else
{
if (newSuccessor == story.StartScene)
{
story.StartScene = addedScene;
}
}
if (newSuccessor != null)
{
addedScene.PossibleScenes.Clear();
addedScene.PossibleScenes.Add(newSuccessor);
}
else {
addedScene.PossibleScenes.Clear();
}
if (m_removedItem != null && m_removedItem == addedSceneModel)
{
m_removedItem = null;
HandleReorder(storyModel, storylineModel);
}
}
}
void sceneViewModel_SceneTagsChanged(SceneViewModel sender)
{
OnPropertyChanged("Tags");
}
private static bool isFavorited(StoryLineViewModel targetStoryLine, SceneViewModel scene)
{
ObservableCollection<SceneTag> favoriteTags = targetStoryLine.StoryModel.FavoriteTags;
if (favoriteTags.Count == 0)
{
return false;
}
foreach (SceneTag sceneTag in scene.Tags)
{
foreach (SceneTag favoriteTag in favoriteTags)
{
if (favoriteTag.Content.Equals(sceneTag.Content))
{
return true;
}
}
}
return false;
}
private SceneViewModel CreateSceneViewModel(IScene scene)
{
SceneViewModel sceneViewModel = new SceneViewModel(scene);
sceneViewModel.NavigateRequest += sceneViewModel_NavigateRequest;
sceneViewModel.PickSceneRequest += sceneViewModel_PickSceneRequest;
sceneViewModel.BonusSceneChanged += sceneViewModel_BonusSceneChanged;
sceneViewModel.SceneTagsChanged += sceneViewModel_SceneTagsChanged;
return sceneViewModel;
}