예제 #1
0
        internal void InsertSnippet(Snippet snip, int startPos)
        {
            NativeScintilla.BeginUndoAction();
            IsActive = false;

            string snippet = snip.RealCode;

            //	First properly indent the template. We do this by
            //	getting the indent string of the current line and
            //	adding it to all newlines
            int    indentPoint = 0;
            string line        = Scintilla.Lines.Current.Text;

            if (line != string.Empty)
            {
                while (indentPoint < line.Length)
                {
                    char c = line[indentPoint];
                    if (c != ' ' && c != '\t')
                    {
                        break;
                    }

                    indentPoint++;
                }
            }

            //	Grab the current selected text in case we have a surrounds with scenario.
            string selText = Scintilla.Selection.Text;

            //	Now we clear the selection
            if (selText != string.Empty)
            {
                Scintilla.Selection.Clear();
            }

            if (indentPoint > 0)
            {
                string indent = line.Substring(0, indentPoint);

                //	This is a bit of a tough decision, but I think the best way to handle it
                //	is to assume that the Snippet's Eol Marker matches the Platform DOCUMENT_DEFAULT
                //	but the target Eol Marker should match the Document's.
                snippet = snippet.Replace(Environment.NewLine, Scintilla.EndOfLine.EolString + indent);

                //	Same deal with the selected text if any
                selText = selText.Replace(Environment.NewLine, Scintilla.EndOfLine.EolString + indent);
            }

            int anchorPos = -1;
            int caretPos  = -1;
            int endPos    = -1;
            int selPos    = -1;
            SortedList <int, int> dropMarkers = new SortedList <int, int>();
            SortedList <int, SnippetLinkRange> indexedRangesToActivate   = new SortedList <int, SnippetLinkRange>();
            List <SnippetLinkRange>            unindexedRangesToActivate = new List <SnippetLinkRange>();
            Match m = snippetRegex1.Match(snippet);

            while (m.Success)
            {
                //	Did it match a $DropMarker$ token?
                if (m.Groups["dm"].Success)
                {
                    //	Yep, was it an indexed or unindexed DropMarker
                    if (m.Groups["dmi"].Success)
                    {
                        //	Indexed, set the indexed drop marker's character offset
                        //	if it is specified more than once the last one wins.
                        dropMarkers[int.Parse(m.Groups["dmi"].Value)] = m.Groups["dm"].Index;
                    }
                    else
                    {
                        //	Unindexed, just tack it on at the _end
                        dropMarkers[dropMarkers.Count] = m.Groups["dm"].Index;
                    }

                    //	Take the token out of the string
                    snippet = snippet.Remove(m.Groups["dm"].Index, m.Groups["dm"].Length);
                }
                else if (m.Groups["c"].Success)
                {
                    //	We matched the $Caret$ Token. Since there can be
                    //	only 1 we set the caretPos. If this is specified
                    //	more than once the last one wins
                    caretPos = m.Groups["c"].Index;

                    //	Take the token out of the string
                    snippet = snippet.Remove(m.Groups["c"].Index, m.Groups["c"].Length);
                }
                else if (m.Groups["a"].Success)
                {
                    //	We matched the $Anchor$ Token. Since there can be
                    //	only 1 we set the anchorPos. If this is specified
                    //	more than once the last one wins
                    anchorPos = m.Groups["a"].Index;

                    //	Take the token out of the string
                    snippet = snippet.Remove(m.Groups["a"].Index, m.Groups["a"].Length);
                }
                else if (m.Groups["e"].Success)
                {
                    //	We matched the $End$ Token. Since there can be
                    //	only 1 we set the endPos. If this is specified
                    //	more than once the last one wins
                    endPos = m.Groups["e"].Index;

                    //	Take the token out of the string
                    snippet = snippet.Remove(m.Groups["e"].Index, m.Groups["e"].Length);
                }
                else if (m.Groups["s"].Success)
                {
                    //	We matched the $Selection$ Token. Simply insert the
                    //	selected text at this position
                    selPos = m.Groups["s"].Index;

                    //	Take the token out of the string
                    snippet = snippet.Remove(m.Groups["s"].Index, m.Groups["s"].Length);
                    snippet = snippet.Insert(m.Groups["s"].Index, selText);
                }
                else if (m.Groups["l"].Success)
                {
                    //	Finally match for Snippet Link Ranges. This is at the bottom of the if/else
                    //	because we want the more specific regex groups to match first so that this
                    //	generic expression group doesn't create a SnippetLinkRange for say the
                    //	$Caret$ Token.
                    Group g = m.Groups["l"];

                    int    rangeIndex;
                    string groupKey;

                    if (m.Groups["li"].Success)
                    {
                        //	We have a subindexed SnippetLinkRange along the lines of $sometoken[1]$
                        Group sg = m.Groups["li"];

                        //	At this point g.Value = $sometoken[1]$
                        //	and sg.Value = [1].
                        //	We want the range's Key, which would be sometoken
                        groupKey = g.Value.Substring(1, g.Value.Length - sg.Length - 2);

                        //	Now we need the range's Index which would be 1 in our fictitional case
                        rangeIndex = int.Parse(sg.Value.Substring(1, sg.Value.Length - 2));

                        //	Now we need to determine the actual _start and _end positions of the range.
                        //	Keep in mind we'll be stripping out the 2 $ and the subindex string (eg [1])
                        int start = startPos + g.Index;
                        int end   = start + g.Length - sg.Length - 2;

                        //	And now we add (or replace) the snippet link range at the index
                        //	keep in mind duplicates will stomp all over each other, the last
                        //	one wins. Replaced tokens won't get a range
                        indexedRangesToActivate[rangeIndex] = new SnippetLinkRange(start, end, Scintilla, groupKey);;

                        //	And remove all the token info including the subindex from the snippet text
                        //	leaving only the key
                        snippet = snippet.Remove(g.Index, 1).Remove(g.Index - 2 + g.Length - sg.Length, sg.Length + 1);
                    }
                    else
                    {
                        //	We have a regular old SnippetLinkRange along the lines of $sometoken$

                        //	We want the range's Key, which would be sometoken
                        groupKey = g.Value.Substring(1, g.Value.Length - 2);

                        //	Now we need to determine the actual _start and _end positions of the range.
                        //	Keep in mind we'll be stripping out the 2 $
                        int start = startPos + g.Index;
                        int end   = start + g.Length - 2;

                        //	Now create the range object
                        unindexedRangesToActivate.Add(new SnippetLinkRange(start, end, Scintilla, groupKey));

                        //	And remove all the token info from the snippet text
                        //	leaving only the key
                        snippet = snippet.Remove(g.Index, 1).Remove(g.Index + g.Length - 2, 1);
                    }
                }
                //	Any more matches? Note that I'm rerunning the regexp query
                //	on the snippet string becuase it's contents have been modified
                //	and we need to get the updated index values.
                m = snippetRegex1.Match(snippet);
            }

            //	Replace the snippet Keyword with the snippet text. Or if this
            //	isn't triggered by a shortcut, it will insert at the current
            //	Caret Position
            Scintilla.GetRange(startPos, NativeScintilla.GetCurrentPos()).Text = snippet;

            //	Now that we have the text set we can activate our link ranges
            //	we couldn't do it before becuase they were managed ranges and
            //	would get offset by the text change

            //	Since we are done adding new SnippetLinkRanges we can tack
            //	on the unindexed ranges to the _end of the indexed ranges
            SnippetLinkRange[] allLinks = new SnippetLinkRange[indexedRangesToActivate.Count + unindexedRangesToActivate.Count];
            for (int i = 0; i < indexedRangesToActivate.Values.Count; i++)
            {
                allLinks[i] = indexedRangesToActivate[i];
            }

            for (int i = 0; i < unindexedRangesToActivate.Count; i++)
            {
                allLinks[i + indexedRangesToActivate.Count] = unindexedRangesToActivate[i];
            }

            foreach (SnippetLinkRange slr in allLinks)
            {
                addSnippetLink(slr);
            }

            foreach (SnippetLinkRange slr in allLinks)
            {
                slr.Init();
            }

            //	Now we need to activate the Snippet links. However we have a bit
            //	of a styling confilct. If we set the indicator styles before the
            //	SQL Lexer styles the newly added text it won't get styled. So to
            //	make sure we set the Indicator Styles after we put the call on
            //	a timer.
            if (_snippetLinks.Count > 0)
            {
                Timer t = new Timer();
                t.Interval = 10;

                //	Oh how I love anonymous delegates, this is starting to remind
                //	me of JavaScript and SetTimeout...
                t.Tick += new EventHandler(delegate(object sender, EventArgs te)
                {
                    t.Dispose();
                    IsActive = true;
                });
                t.Start();
            }

            //	Add all the Drop markers in the indexed order. The
            //	order is reversed of course because drop markers work
            //	in a FILO manner
            for (int i = dropMarkers.Count - 1; i >= 0; i--)
            {
                Scintilla.DropMarkers.Drop(startPos + dropMarkers.Values[i]);
            }

            //	Place the caret at either the position of the token or
            //	at the _end of the snippet text.
            if (caretPos >= 0)
            {
                Scintilla.Caret.Goto(startPos + caretPos);
            }
            else
            {
                Scintilla.Caret.Goto(startPos + snippet.Length);
            }

            //	Ahoy, way anchor!
            if (anchorPos >= 0)
            {
                Scintilla.Caret.Anchor = startPos + anchorPos;
            }

            //	Do we have an _end cursor?
            if (endPos >= 0)
            {
                //	If they have snippet link ranges activated in this snippet
                //	go ahead and set up an EndPoint marker
                if (allLinks.Length > 0)
                {
                    SnippetLinkEnd eci = new SnippetLinkEnd(endPos + startPos, Scintilla);
                    Scintilla.ManagedRanges.Add(eci);
                    _snippetLinks.EndPoint = eci;
                }
                else
                {
                    //	Otherwise we treat it like an Anchor command because
                    //	the SnippetLink mode isn't activated
                    Scintilla.Caret.Goto(endPos + startPos);
                }
            }

            NativeScintilla.EndUndoAction();
        }
예제 #2
0
 public void InsertSnippet(Snippet snip)
 {
     InsertSnippet(snip, Math.Min(NativeScintilla.GetCurrentPos(), NativeScintilla.GetAnchor()));
 }