public void SendObjectsBackward()
{
LevelEntryCollection objs = GetSelectedObjectsInZOrder();
foreach (LevelEntry obj in objs)
{
int index = mLevel.Entries.IndexOf(obj);
//Top of the list, no change
if (index == 0)
{
continue;
}
//Move up one
int new_index = index - 1;
LevelEntry eo = mLevel.Entries[new_index];
if (objs.Contains(eo))
{
continue;
}
mLevel.Entries[index] = mLevel.Entries[new_index];
mLevel.Entries[new_index] = obj;
}
UpdateRedraw();
}
public void CheckSelectionChanged()
{
//Checks if the selection has changed, and only invokes change event if different
//Check if selection count is different
if (mSelectedEntries.Count != mOldSelectedEntries.Count)
{
UpdateOldSelection();
InvokeSelectionChangedEvent();
return;
}
//Check all elements exist
foreach (LevelEntry le in mSelectedEntries)
{
if (!mOldSelectedEntries.Contains(le))
{
UpdateOldSelection();
InvokeSelectionChangedEvent();
return;
}
}
//No change
}
public LevelEntryCollection GetSelectedObjectsInZOrder()
{
LevelEntryCollection objects = new LevelEntryCollection();
foreach (LevelEntry le in Level.Entries)
{
if (!mSelectedEntries.Contains(le))
{
continue;
}
objects.Add(le);
}
return(objects);
}