private void RemoveGroup(string groupName)
{
lock (m_Groups) {
RosterItemGroup group = (RosterItemGroup)m_Groups[groupName];
group.Remove();
}
}
private void AddGroup(string groupName)
{
lock (m_Groups) {
if (!m_Groups.ContainsKey(groupName))
{
RosterItemGroup group = new RosterItemGroup(this, groupName);
group.SetVisible(false);
m_Scene.AddItem(group);
m_Groups.Add(groupName, group);
ResizeAndRepositionGroups();
}
}
}
protected override void DragMoveEvent(Qyoto.QGraphicsSceneDragDropEvent arg1)
{
if (arg1.MimeData() is RosterItemGroupMimeData)
{
arg1.Accept();
m_Grid.AllGroupsCollapsed = true;
var pos = arg1.ScenePos();
m_GroupDropBeforeGroup = null;
foreach (var group in m_Grid.SortedGroups)
{
if (group.IsVisible())
{
if (pos.Y() < (group.Y() + (group.BoundingRect().Height() / 2)))
{
m_GroupDropBeforeGroup = group;
break;
}
}
}
if (m_GroupDropBeforeGroup != null)
{
m_GroupDropIndicatorItem.SetLine(0, 0, base.Width(), 0);
m_GroupDropIndicatorItem.SetPos(0, m_GroupDropBeforeGroup.Y() - (m_Grid.IconPadding / 2));
m_GroupDropIndicatorItem.SetVisible(true);
}
else
{
m_GroupDropIndicatorItem.SetVisible(false);
}
}
else if (arg1.MimeData() is RosterItemMimeData <T> )
{
m_Grid.AllGroupsCollapsed = true;
base.DragMoveEvent(arg1);
}
else
{
base.DragMoveEvent(arg1);
}
}
public RosterItemGroupMimeData(RosterItemGroup group, QObject parent)
{
m_Group = group;
SetParent(parent);
}
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();
}
});
}