private AlgorithmBlockUI FindNextForBlock(AlgorithmBlockUI block)
{
AlgorithmBlockUI currentBlock = block.MainPrevBlock;
while (currentBlock != null)
{
if (currentBlock.TabulationLevel < block.TabulationLevel)
{
if (currentBlock.BlockData.Type == BlockType.While)
{
break;
}
else if (currentBlock.BlockData.Type == BlockType.If)
{
AlgorithmBlockUI prevBlock = currentBlock;
currentBlock = currentBlock.NextBlock;
if (currentBlock == null)
{
currentBlock = FindNextForBlock(prevBlock);
}
break;
}
}
currentBlock = currentBlock.MainPrevBlock;
}
return(currentBlock);
}
public void AddOnBlock(AlgorithmBlockUI sender)
{
switch (_addBlockStep)
{
case AddBlockSteps.SetTarget:
{
_addTarget = sender;
_isAddBlock = true;
_contextMenu.ClearContextMenu();
if (_addTarget.BlockData.Type == BlockType.If ||
_addTarget.BlockData.Type == BlockType.While)
{
SetAddInsertTypeMenuItems();
_contextMenu.gameObject.SetActive(true);
_addBlockStep = AddBlockSteps.ChoiceInsertType;
}
else
{
_addInsertInside = false;
SetAddTypeMenuItems();
_contextMenu.gameObject.SetActive(true);
_addBlockStep = AddBlockSteps.ChoiceBlockType;
}
}
break;
}
}
public void DeleteOnBlock(AlgorithmBlockUI sender)
{
if (sender.BlockData.Type != BlockType.Begin)
{
_treePanel.DeleteBlock(sender);
}
_editPanel.CurrentTool = EditTools.Cursor;
}
private void InitAlgorithmBlocks()
{
foreach (AlgorithmBlockUI itBlock in _treePanel.Blocks)
{
AlgorithmBlockUI nextBlock = itBlock.NextBlock;
if (nextBlock == null)
{
nextBlock = FindNextForBlock(itBlock);
}
switch (itBlock.BlockData)
{
case BeginBlock beginBlock:
{
beginBlock.Next = nextBlock?.BlockData;
}
break;
case ActionBlock actionBlock:
{
actionBlock.Next = nextBlock?.BlockData;
}
break;
case SetBlock setBlock:
{
setBlock.Next = nextBlock?.BlockData;
setBlock.Value = itBlock.ValueUis[0].Value;
}
break;
case IfBlock ifBlock:
{
ifBlock.ElseBlock = nextBlock?.BlockData;
ifBlock.ThenBlock = itBlock.InnerBlock?.BlockData;
ifBlock.Condition = itBlock.ValueUis[0].Value as IBoolean;
}
break;
case WhileBlock whileBlock:
{
whileBlock.OuterBlock = nextBlock?.BlockData;
whileBlock.InnerBlock = itBlock.InnerBlock?.BlockData;
whileBlock.Condition = itBlock.ValueUis[0].Value as IBoolean;
}
break;
}
}
}
private void BlockClickHandler(AlgorithmBlockUI sender)
{
switch (_editPanel.CurrentTool)
{
case EditTools.Add:
{
_addTool.AddOnBlock(sender);
}
break;
case EditTools.Delete:
{
_deleteTool.DeleteOnBlock(sender);
}
break;
}
}
private AlgorithmBlockUI CreateBlock(IAlgorithmBlock blockData)
{
AlgorithmBlockUI result = null;
if (blockData.Type == BlockType.Set)
{
result = Instantiate(_resourceProvider.SetBlockPrefab, _content);
}
else
{
result = Instantiate(_resourceProvider.AlgorithmBlockPrefab, _content);
}
result.BlockData = blockData;
return(result);
}
private int FindOutsidePosition(AlgorithmBlockUI block)
{
int blockIndex = _blocks.IndexOf(block) + 1;
while (blockIndex < _blocks.Count)
{
if (_blocks[blockIndex].TabulationLevel > block.TabulationLevel)
{
blockIndex++;
}
else
{
break;
}
}
return(blockIndex);
}
public void AddBlock(AlgorithmBlockUI beforeBlock, IAlgorithmBlock newBlockData, bool isInside)
{
int index = _blocks.IndexOf(beforeBlock) + 1;
AlgorithmBlockUI newBlock = CreateBlock(newBlockData);
if (isInside)
{
if (beforeBlock.InnerBlock != null)
{
newBlock.NextBlock = beforeBlock.InnerBlock;
beforeBlock.InnerBlock.MainPrevBlock = newBlock;
}
beforeBlock.InnerBlock = newBlock;
}
else
{
if (beforeBlock.NextBlock != null)
{
newBlock.NextBlock = beforeBlock.NextBlock;
beforeBlock.NextBlock.MainPrevBlock = newBlock;
}
beforeBlock.NextBlock = newBlock;
index = FindOutsidePosition(beforeBlock);
}
_blocks.Insert(index, newBlock);
newBlock.MainPrevBlock = beforeBlock;
newBlock.IsInsidePrevBlock = isInside;
newBlock.RefreshAnData();
SetContentSiblings();
RefreshTreeBlocksListeners();
OnTreeChanged?.Invoke(_blocks);
}
public void DeleteBlock(AlgorithmBlockUI block)
{
AlgorithmBlockUI prevBlock = block.MainPrevBlock;
AlgorithmBlockUI nextBlock = block.NextBlock;
if (prevBlock.NextBlock == block)
{
prevBlock.NextBlock = nextBlock;
}
else if (prevBlock.InnerBlock == block)
{
prevBlock.InnerBlock = nextBlock;
}
while (block.InnerBlock != null)
{
DeleteBlock(block.InnerBlock);
}
_blocks.Remove(block);
Destroy(block.gameObject);
}
private void BlockClickHandler(AlgorithmBlockUI block)
{
OnBlockClick?.Invoke(block);
}