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ContainerInfo objects now subscribe to child collection changed events

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This commit is contained in:
David Sparer
2016-09-20 13:01:17 -06:00
parent 75b4ea175b
commit 81a944a95c
1 changed files with 25 additions and 11 deletions
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36
mRemoteV1/Container/ContainerInfo.cs
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@@ -40,8 +40,8 @@ namespace mRemoteNG.Container
if (Children.Contains(newChildItem)) return;
newChildItem.Parent = this;
Children.Add(newChildItem);
newChildItem.PropertyChanged += OnPropertyChanged;
RaiseCollectionChangedEvent(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, newChildItem));
SubscribeToChildEvents(newChildItem);
RaiseCollectionChangedEvent(this, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, newChildItem));
}
public void AddChildRange(IEnumerable<ConnectionInfo> newChildren)
@@ -57,8 +57,8 @@ namespace mRemoteNG.Container
if (!Children.Contains(removalTarget)) return;
removalTarget.Parent = null;
Children.Remove(removalTarget);
removalTarget.PropertyChanged -= OnPropertyChanged;
RaiseCollectionChangedEvent(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, removalTarget));
UnsubscribeToChildEvents(removalTarget);
RaiseCollectionChangedEvent(this, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, removalTarget));
}
public void RemoveChildRange(IEnumerable<ConnectionInfo> removalTargets)
@@ -76,7 +76,7 @@ namespace mRemoteNG.Container
Children.Remove(child);
if (newIndex > Children.Count) newIndex = Children.Count;
Children.Insert(newIndex, child);
RaiseCollectionChangedEvent(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Move, child, newIndex, originalIndex));
RaiseCollectionChangedEvent(this, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Move, child, newIndex, originalIndex));
}
public void SetChildAbove(ConnectionInfo childToPromote, ConnectionInfo reference)
@@ -126,7 +126,7 @@ namespace mRemoteNG.Container
SortDirection = sortDirection
};
Children.Sort(connectionComparer);
RaiseCollectionChangedEvent(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
RaiseCollectionChangedEvent(this, new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
}
public void SortRecursive(ListSortDirection sortDirection = ListSortDirection.Ascending)
@@ -200,12 +200,26 @@ namespace mRemoteNG.Container
return childList;
}
public event NotifyCollectionChangedEventHandler CollectionChanged;
private void RaiseCollectionChangedEvent(NotifyCollectionChangedEventArgs args)
protected virtual void SubscribeToChildEvents(ConnectionInfo child)
{
var handler = CollectionChanged;
handler?.Invoke(this, args);
child.PropertyChanged += OnPropertyChanged;
var childAsContainer = child as ContainerInfo;
if (childAsContainer == null) return;
childAsContainer.CollectionChanged += RaiseCollectionChangedEvent;
}
protected virtual void UnsubscribeToChildEvents(ConnectionInfo child)
{
child.PropertyChanged -= OnPropertyChanged;
var childAsContainer = child as ContainerInfo;
if (childAsContainer == null) return;
childAsContainer.CollectionChanged -= RaiseCollectionChangedEvent;
}
public event NotifyCollectionChangedEventHandler CollectionChanged;
private void RaiseCollectionChangedEvent(object sender, NotifyCollectionChangedEventArgs args)
{
CollectionChanged?.Invoke(sender, args);
}
}
}