private void GroupSelectedItems()
{
var sbl = BlockList.GetSelectedBlockList();
int count = sbl.listBlocks.SelectedItems.Count;
if (count == 0)
{
System.Media.SystemSounds.Beep.Play();
return;
}
string prompt;
if (count == 1)
{
prompt = "Group Selected Block?";
}
else if (count == sbl.listBlocks.Items.Count)
{
prompt = "Group All Blocks?";
}
else
{
prompt = string.Format("Group {0} Selected Blocks?", sbl.listBlocks.SelectedItems.Count);
}
if (MessageBox.Show(prompt, "Block Editor", MessageBoxButton.OKCancel, MessageBoxImage.Question) == MessageBoxResult.OK)
{
inSelectionChanged = true;
IBlockGroup group = BlockManager.NewBlockGroup();
List <IBlock> blockList = new List <IBlock>();
blockList.AddRange(sbl.Blocks);
IBlock[] selectedBlocks = sbl.AdjacentSelectedBlocks;
int index = blockList.IndexOf(selectedBlocks[0]);
blockList.Insert(index, group);
foreach (IBlock block in selectedBlocks)
{
group.Add(block);
blockList.Remove(block);
}
foreach (IBlock block in blockList)
{
block.NewBlockItem();
}
sbl.Clear();
sbl.Add(blockList.ToArray());
sbl.listBlocks.SelectedItem = group.BlockItem;
listCode.UnselectAll();
if (sbl.ParentGroup != null)
{
sbl.ParentGroup.Blocks = sbl.Blocks;
}
Edited = true;
btnDelete.IsEnabled = btnCut.IsEnabled = btnCopy.IsEnabled = btnGroup.IsEnabled = btnUngroup.IsEnabled = true;
inSelectionChanged = false;
}
}
public BlockList GetSelectedBlockList(bool forAdd = false)
{
if (GroupList == null || GroupList.ParentGroup == null)
{
return(this);
}
if (GroupList.listBlocks.SelectedItems.Count == 0)
{
return(forAdd ? GroupList : this);
}
return(GroupList.GetSelectedBlockList(forAdd));
}