public IBlockView ViewFromBlock(IBlock block)
{
if (blockViews.ContainsKey(block))
return blockViews[block];
if (block is BlockStack)
{
IBlockView ret = ViewFromBlockStack((BlockStack)block);;
blockViews[block] = ret;
return ret;
}
if (block is VarAccessBlock || block is VarDefBlock)
{
IBlockView ret = new VariableView((IVarBlock)block, varb_parts, textMetrics, textFont);
blockViews[block] = ret;
return ret;
}
if (block is TextBlock)
{
IBlockView ret = new TextView((TextBlock) block, ib_parts, textMetrics, textFont);
blockViews[block] = ret;
return ret;
}
if (block is InvokationBlock)
{
InvokationBlock b = (InvokationBlock)block;
BlockAttributes attr = blockSpace.AttributeOf(b);
IBlockView r = ViewFromInvokationBlock(b, attr);
blockViews[block] = r;
return r;
}
if (block is ProcDefBlock)
{
ProcDefBlock b = (ProcDefBlock) block;
BlockAttributes attr = blockSpace.AttributeOf(b);
IBlockView r = ViewFromProcDefBlock(b);
blockViews[block] = r;
return r;
}
throw new ArgumentException();
}