public GroupViewModel CreateGroupRender(IGroup targetGroup, CompositeCommand cmds = null)
{
//create group element
GroupViewModel NewGroupVM = WidgetFactory.CreateGroup(targetGroup) as GroupViewModel;
//remove the older inner group
List <GroupViewModel> AllGroups = items.OfType <GroupViewModel>().Where(c => c.IsGroup == true).ToList <GroupViewModel>();
foreach (GroupViewModel it in AllGroups)
{
if (NewGroupVM.IsChild(it.widgetGID, true))
{
it.IsSelected = false;
_selectionService.RemoveWidget(it);
items.Remove(it);
}
}
//initialize all elements in new group
foreach (WidgetViewModBase wdg in Items)
{
if (true == NewGroupVM.IsChild(wdg.widgetGID, false))
{
wdg.ParentID = NewGroupVM.widgetGID;
wdg.IsGroup = false;
wdg.IsSelected = false;
NewGroupVM.AddChild(wdg);
}
}
#region Reset Zorder
// We got a crash report which was caused by the exception System.InvalidOperationException from
// System.Linq.Enumerable.Max(System.Collections.Generic.IEnumerable`1<Int32>), so make sure WidgetChildren has element first.
// See http://bts1.nhncorp.com/nhnbts/browse/DSTUDIO-1679
SetTargetObject2Front(NewGroupVM.WidgetChildren, cmds);
//SetGroupTargetObjectContinue(, cmds, NewGroupVM);
#endregion
//UI Render the new group
NewGroupVM.IsSelected = true;
NewGroupVM.Status = GroupStatus.Selected;
//NewGroupVM.ZOrder = -3;
Items.Add(NewGroupVM);
NewGroupVM.Refresh();
_ListEventAggregator.GetEvent <GroupChangedEvent>().Publish(true);
return(NewGroupVM);
}
private void SetGroupTargetObjectContinue(List <WidgetViewModBase> targetWidgets, CompositeCommand cmds, GroupViewModel NewGroupVM)
{
if (targetWidgets.Count < 1)
{
return;
}
int maxZOrder = targetWidgets.Max(a => a.ZOrder);
int minZOrder = targetWidgets.Min(a => a.ZOrder);
if (targetWidgets.Count() < (maxZOrder - minZOrder + 1))
{
targetWidgets.Sort(delegate(WidgetViewModBase a1, WidgetViewModBase a2)
{
if (a1.ZOrder == a2.ZOrder)
{
return(0);
}
return((a1.ZOrder < a2.ZOrder) ? 1 : -1);
});
int maxZ = maxZOrder;
foreach (WidgetViewModBase item in targetWidgets)
{
//Undo command
if (cmds != null)
{
PropertyChangeCommand cmd = new PropertyChangeCommand(item, "ZOrder", item.ZOrder, maxZ);
cmds.AddCommand(cmd);
}
item.ZOrder = maxZ--;
}
List <WidgetViewModBase> widgets = items.OfType <WidgetViewModBase>().Where(a => a.ZOrder > minZOrder && a.ZOrder < maxZOrder && !(NewGroupVM.IsChild(a.widgetGID, false))).ToList <WidgetViewModBase>();
widgets.Sort(delegate(WidgetViewModBase a1, WidgetViewModBase a2)
{
if (a1.ZOrder == a2.ZOrder)
{
return(0);
}
return((a1.ZOrder > a2.ZOrder) ? 1 : -1);
});
int minZ = minZOrder;
foreach (WidgetViewModBase item in widgets)
{
//Undo command
if (cmds != null)
{
PropertyChangeCommand cmd = new PropertyChangeCommand(item, "ZOrder", item.ZOrder, minZ);
cmds.AddCommand(cmd);
}
item.ZOrder = minZ++;
}
}
}
