private void joinedChannelsChanged(object sender, NotifyCollectionChangedEventArgs args)
{
switch (args.Action)
{
case NotifyCollectionChangedAction.Add:
IEnumerable <Channel> newChannels = args.NewItems.OfType <Channel>().Where(isChatChannel);
foreach (var channel in newChannels)
{
channelList.AddChannel(channel);
}
break;
case NotifyCollectionChangedAction.Remove:
IEnumerable <Channel> leftChannels = args.OldItems.OfType <Channel>().Where(isChatChannel);
foreach (var channel in leftChannels)
{
channelList.RemoveChannel(channel);
if (loadedChannels.ContainsKey(channel))
{
ChatOverlayDrawableChannel loaded = loadedChannels[channel];
loadedChannels.Remove(channel);
// DrawableChannel removed from cache must be manually disposed
loaded.Dispose();
}
}
break;
}
}
private void joinedChannelsChanged(object sender, NotifyCollectionChangedEventArgs args)
{
switch (args.Action)
{
case NotifyCollectionChangedAction.Add:
IEnumerable <Channel> joinedChannels = filterChannels(args.NewItems);
foreach (var channel in joinedChannels)
{
channelList.AddChannel(channel);
}
break;
case NotifyCollectionChangedAction.Remove:
IEnumerable <Channel> leftChannels = filterChannels(args.OldItems);
foreach (var channel in leftChannels)
{
channelList.RemoveChannel(channel);
}
break;
}
}
public void SetUp()
{
Schedule(() =>
{
Child = new GridContainer
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
RelativeSizeAxes = Axes.Both,
Height = 0.7f,
RowDimensions = new[]
{
new Dimension(GridSizeMode.Absolute, 20),
new Dimension(GridSizeMode.Absolute, 20),
new Dimension(),
},
Content = new[]
{
new Drawable[]
{
selectedText = new OsuSpriteText
{
Anchor = Anchor.TopCentre,
Origin = Anchor.TopCentre,
},
},
new Drawable[]
{
leaveText = new OsuSpriteText
{
Anchor = Anchor.TopCentre,
Origin = Anchor.TopCentre,
},
},
new Drawable[]
{
channelList = new ChannelList
{
Anchor = Anchor.TopCentre,
Origin = Anchor.TopCentre,
RelativeSizeAxes = Axes.Y,
Width = 190,
},
},
},
};
channelList.OnRequestSelect += channel =>
{
selected.Value = channel;
};
channelList.OnRequestLeave += channel =>
{
leaveText.Text = $"OnRequestLeave: {channel.Name}";
leaveText.FadeOutFromOne(1000, Easing.InQuint);
selected.Value = channelList.ChannelListingChannel;
channelList.RemoveChannel(channel);
};
selected.BindValueChanged(change =>
{
selectedText.Text = $"Selected Channel: {change.NewValue?.Name ?? "[null]"}";
}, true);
});
}