private void model_ItemRemoved(IAvatarGridModel <T> model, T item)
{
if (!model.ModelUpdating)
{
QApplication.Invoke(delegate {
RemoveItem(item);
});
}
}
private void model_ItemAdded(IAvatarGridModel <T> model, T item)
{
if (!model.ModelUpdating)
{
QApplication.Invoke(delegate {
AddItem(item);
ResizeAndRepositionGroups();
});
}
}
private void model_ItemChanged(IAvatarGridModel <T> model, T item)
{
if (model.ModelUpdating)
{
return;
}
QApplication.Invoke(delegate {
bool visibilityChanged = false;
bool groupsChanged = false;
lock (m_Items) {
if (!m_Items.ContainsKey(item))
{
Console.Error.WriteLine("Item changed before being added: " + item);
// model_ItemAdded(model, item);
return;
}
List <string> toRemove = new List <string>();
// Check if item was added to any groups
foreach (string groupName in model.GetItemGroups(item))
{
if (!m_Items[item].ContainsKey(groupName))
{
AddItemToGroup(item, groupName);
groupsChanged = true;
}
}
// Check if item needs to be removed from any groups, redraw others.
// FIXME: Don't need to redraw items we just added.
foreach (RosterItem <T> gitem in m_Items[item].Values.ToArray())
{
RosterItemGroup group = (RosterItemGroup)gitem.ParentItem();
var groups = model.GetItemGroups(item);
if (groups.Contains(group.Name) || (groups.Count() == 0 && group.Name == "No Group"))
{
if (model.IsVisible(item) != gitem.IsVisible())
{
visibilityChanged = true;
}
else
{
gitem.Update();
}
}
else
{
toRemove.Add(group.Name);
groupsChanged = true;
}
}
foreach (string groupName in toRemove)
{
RemoveItemFromGroup(item, groupName, false);
}
}
if (visibilityChanged || groupsChanged)
{
ResizeAndRepositionGroups();
}
});
}
