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 bool ReadFile(string path, out IBlock[] blocks)
{
blocks = null;
if (!File.Exists(path))
{
return(false);
}
List <IBlock> listBlocks = new List <IBlock>();
using (var sr = new StreamReader(path))
{
IBlockGroup group = null;
Stack <IBlockGroup> groupStack = new Stack <IBlockGroup>();
string line;
while ((line = sr.ReadLine()) != null)
{
line = line.Trim();
if (string.IsNullOrEmpty(line))
{
continue;
}
if (group != null && line == BlockGroup.EndMarker)
{
groupStack.Pop();
group = (groupStack.Count > 0) ? groupStack.Peek() : null;
continue;
}
IBlock block = NewBlock(line);
if (block != null)
{
if (group != null)
{
group.Add(block);
}
else
{
listBlocks.Add(block);
}
if (block is IBlockGroup)
{
group = (IBlockGroup)block;
groupStack.Push(group);
}
}
}
}
if (listBlocks.Count == 0)
{
return(false);
}
blocks = listBlocks.ToArray();
return(true);
}
public IBlock[] NewBlocks(string buffer)
{
List <IBlock> listBlocks = new List <IBlock>();
IBlockGroup group = null;
Stack <IBlockGroup> groupStack = new Stack <IBlockGroup>();
string[] lines = buffer.Split('\n');
for (int i = 0; i < lines.Length; i++)
{
string line = lines[i].Trim();
if (string.IsNullOrEmpty(line))
{
continue;
}
if (group != null && line == BlockGroup.EndMarker)
{
groupStack.Pop();
group = (groupStack.Count > 0) ? groupStack.Peek() : null;
continue;
}
IBlock block = NewBlock(line);
if (block != null)
{
if (group != null)
{
group.Add(block);
}
else
{
listBlocks.Add(block);
}
if (block is IBlockGroup)
{
group = (IBlockGroup)block;
groupStack.Push(group);
}
}
}
return(listBlocks.ToArray());
}
