public TextPosition GetSegmentStart(SnippetContent.Segment segment)
{
int index = this.currentSnippetSegments
.Select((ss, i) => Tuple.Create(ss, i))
.Where(t => t.Item1.Contains(segment))
.Select(t => t.Item2)
.Concat(new int[] { -1 })
.First();
if (index == -1)
{
return(new TextPosition(-1, -1));
}
else
{
int row = this.currentSnippetStart.row + index;
int col = index == 0 ? this.currentSnippetStart.col : 0;
foreach (var s in this.currentSnippetSegments[index])
{
if (s == segment)
{
break;
}
else
{
col += GetSegmentText(s).Length;
}
}
return(new TextPosition(row, col));
}
}
public void FinishEditingSnippet()
{
if (this.editingSnippet)
{
SnippetContent.Segment stop = this.currentSnippetSegments
.SelectMany(s => s)
.Where(s => s.Type == SnippetContent.SegmentType.Stop)
.FirstOrDefault();
TextPosition start = new TextPosition(0, 0);
if (stop != null)
{
start = GetSegmentStart(stop);
}
MoveToNextEditableSegment();
this.editingSnippet = false;
this.currentSnippetSegments = null;
this.currentEditingSegment = null;
this.currentEditableSegments = null;
this.currentAffectedSegments = null;
this.textEditorBox.Controller.LeaveLimitedMode();
if (stop != null)
{
this.textEditorBox.Controller.Move(start, false, false);
}
this.textEditorBox.RedrawContent(false, true);
}
}
private void MoveToNextEditableSegment()
{
string text = this.textEditorBox.TextProvider.GetString(
this.textEditorBox.Controller.LimitedStart,
this.textEditorBox.Controller.LimitedEnd);
this.currentEditingSegment.Value = text;
FinishEditCurrentSegment();
int index = this.currentEditableSegments.IndexOf(this.currentEditingSegment);
this.currentEditingSegment = this.currentEditableSegments[(index + 1) % this.currentEditableSegments.Count];
FillCurrentAffectedSegments();
StartEditCurrentSegment();
}
public string GetSegmentText(SnippetContent.Segment segment)
{
if (segment == this.currentEditingSegment)
{
if (this.textEditorBox.Controller.LimitedMode)
{
string text = this.textEditorBox.TextProvider.GetString(
this.textEditorBox.Controller.LimitedStart,
this.textEditorBox.Controller.LimitedEnd);
return(text);
}
else
{
return(segment.Value);
}
}
else
{
return(segment.Value ?? "");
}
}
public void InsertSnippet(SnippetContent snippet)
{
if (!this.editingSnippet && snippet != null)
{
this.editingSnippet = true;
TextPosition caret = this.textEditorBox.SelectionCaret;
TextLine <TextEditorBox.LineInfo> line = this.textEditorBox.TextProvider[caret.row];
string prefix = line.GetString(0, caret.col);
if (!string.IsNullOrWhiteSpace(prefix))
{
prefix = "";
}
List <List <SnippetContent.Segment> > segments = snippet.Compile(prefix);
this.editingSnippet = true;
this.currentSnippetSegments = segments;
this.currentEditableSegments = segments
.SelectMany(s => s)
.Where(s => s.Type == SnippetContent.SegmentType.Editable && s.AssociatedSegment == null)
.ToList();
this.currentSnippetStart = caret;
if (this.currentEditableSegments.Count == 0)
{
this.textEditorBox.Controller.Input(GetSnippetText(segments), false);
FinishEditingSnippet();
}
else
{
this.currentEditingSegment = this.currentEditableSegments[0];
FillCurrentAffectedSegments();
SynchronizeAffectedSegments();
this.textEditorBox.Controller.Input(GetSnippetText(segments), false);
StartEditCurrentSegment();
}
}
}
