private int InsertFlows(IEnumerable <Flow> flows)
{
_commands = new List <ICommand>();
{
var cmd = new EnsureInlineBreakCommand(_target, _index);
cmd.Execute();
_commands.Add(cmd);
}
var firstBlock = _target.GetBlockAt(_index);
var bIndex = _target._Blocks.IndexOf(firstBlock);
var cIndex = _index;
foreach (var flow in flows)
{
if (flow is Block)
{
var block = flow as Block;
int charIndexInLine, lineSegOffset;
_target.GetLineSegmentAt(cIndex, out charIndexInLine, out lineSegOffset);
if (charIndexInLine == 0)
{
/// Line中でなければそのまま挿入
var cmd = new InsertBlockToStyledTextCommand(_target, block, bIndex);
cmd.Execute();
_commands.Add(cmd);
cIndex += flow.Length;
}
else
{
/// Line中ならInlineだけ挿入
foreach (var line in block.LineSegments)
{
foreach (var inline in line.Inlines)
{
if (inline.IsLineEndCharacter)
{
if (inline is BlockBreak)
{
var cmd = new InsertBlockBreakCommand(_target, cIndex);
cmd.Execute();
_commands.Add(cmd);
}
else if (inline is LineBreak)
{
var cmd = new InsertLineBreakCommand(_target, cIndex);
cmd.Execute();
_commands.Add(cmd);
}
}
else
{
var clone = inline.CloneDeeply() as Inline;
var cmd = new InsertInlineCommand(_target, cIndex, clone);
cmd.Execute();
_commands.Add(cmd);
}
cIndex += inline.Length;
}
}
}
++bIndex;
}
else if (flow is Inline)
{
var inline = flow as Inline;
if (inline.IsLineEndCharacter)
{
if (inline is BlockBreak)
{
var cmd = new InsertBlockBreakCommand(_target, cIndex);
cmd.Execute();
_commands.Add(cmd);
++bIndex;
}
else if (inline is LineBreak)
{
var cmd = new InsertLineBreakCommand(_target, cIndex);
cmd.Execute();
_commands.Add(cmd);
}
}
else
{
var clone = inline.CloneDeeply() as Inline;
var cmd = new InsertInlineCommand(_target, cIndex, clone);
cmd.Execute();
_commands.Add(cmd);
}
cIndex += flow.Length;
}
}
/// 最初のinlineがmergeできるならmerge
var firstInline = _target.GetInlineAt(_index);
if (_target.HasPrevInline(firstInline))
{
var prev = _target.GetPrevInline(firstInline);
if (prev.CanMerge(firstInline))
{
var cmd = new MergeInlineCommand(prev, firstInline);
cmd.Execute();
_commands.Add(cmd);
}
}
/// 最後のinlineがmergeできるならmerge
var lastInline = _target.GetInlineAt(cIndex - 1);
if (_target.HasNextInline(lastInline))
{
var next = _target.GetNextInline(lastInline);
if (lastInline.CanMerge(next))
{
var cmd = new MergeInlineCommand(lastInline, next);
cmd.Execute();
_commands.Add(cmd);
}
}
return(cIndex);
}