public bool PreviousSnippetRange()
{
// Same as NextSnippetRange but going in the opposite direction
if (!_snippetLinks.IsActive || Scintilla.AutoComplete.IsActive)
{
return(false);
}
SnippetLink sl = _snippetLinks.PreviousActiveSnippetLink;
if (sl != null)
{
while (sl.Ranges.Count == 0)
{
_snippetLinks.Remove(sl);
sl = _snippetLinks.PreviousActiveSnippetLink;
if (sl == null)
{
Scintilla.Commands.StopProcessingCommands = true;
return(true);
}
}
sl.Ranges[0].Select();
Scintilla.Commands.StopProcessingCommands = true;
return(true);
}
return(false);
}
private void cascadeSnippetLinkRangeChange(SnippetLink oldActiveSnippetLink, SnippetLinkRange oldActiveRange)
{
Scintilla.ManagedRanges.Sort();
int offset = 0;
string newText = oldActiveRange.Text;
Scintilla.NativeInterface.SetModEventMask(0);
foreach (ManagedRange mr in Scintilla.ManagedRanges)
{
if (offset != 0)
{
mr.Change(mr.Start + offset, mr.End + offset);
}
SnippetLinkRange slr = mr as SnippetLinkRange;
if (slr == null || !oldActiveSnippetLink.Ranges.Contains(slr) || slr.Text == newText)
{
continue;
}
int oldLength = slr.Length;
slr.Text = newText;
slr.End += newText.Length - oldLength;
offset += newText.Length - oldLength;
}
Scintilla.NativeInterface.SetModEventMask(Constants.SC_MODEVENTMASKALL);
}
private void Scintilla_SelectionChanged(object sender, EventArgs e)
{
Range sr = Scintilla.Selection.Range;
if (_snippetLinks.IsActive)
{
SnippetLink oldActiveSnippetLink = _snippetLinks.ActiveSnippetLink;
SnippetLinkRange oldActiveRange = _snippetLinks.ActiveRange;
_snippetLinks.ActiveSnippetLink = null;
_snippetLinks.ActiveRange = null;
for (int i = 0; i < _snippetLinks.Count; i++)
{
SnippetLink sl = _snippetLinks[i];
foreach (SnippetLinkRange r in sl.Ranges)
{
if (r.IntersectsWith(sr))
{
_snippetLinks.ActiveSnippetLink = sl;
_snippetLinks.ActiveRange = r;
break;
}
}
if (_snippetLinks.ActiveRange != null)
{
break;
}
}
foreach (SnippetLink sl in _snippetLinks.Values)
{
foreach (Range r in sl.Ranges)
{
if (sl == _snippetLinks.ActiveSnippetLink)
{
r.ClearIndicator(Scintilla.Snippets.InactiveSnippetIndicator);
r.SetIndicator(Scintilla.Snippets.ActiveSnippetIndicator);
}
else
{
r.SetIndicator(Scintilla.Snippets.InactiveSnippetIndicator);
r.ClearIndicator(Scintilla.Snippets.ActiveSnippetIndicator);
}
}
}
}
}
public bool NextSnippetRange()
{
// This would be a whole lot easier if I had the Command Contexts set
// up. The way it's working now is that this command will always execute
// irregardlessly of if the SnippetLinks are active. Since we may not have
// a valid context to execute we don't necessarily want to eat the
// keystroke in all circumstances, hence the bool return
if (!_snippetLinks.IsActive || Scintilla.AutoComplete.IsActive)
{
return(false);
}
// OK So we want to find the next SnippetLink in
// whatever order they are in and then select it
// so that they can fill it out.
SnippetLink sl = _snippetLinks.NextActiveSnippetLink;
if (sl != null)
{
// However it is possible that all of this Snippet Links'
// ranges have been deleted by the user. If this is the case
// we need to remove this snippet link from the list and go
// to the next link.
while (sl.Ranges.Count == 0)
{
_snippetLinks.Remove(sl);
sl = _snippetLinks.NextActiveSnippetLink;
// No more snippet links? Nothing to do but quit
if (sl == null)
{
Scintilla.Commands.StopProcessingCommands = true;
return(true);
}
}
// Yay we have it. Select the first Range in the Snippet Link's Series
sl.Ranges[0].Select();
Scintilla.Commands.StopProcessingCommands = true;
return(true);
}
return(false);
}
private void snippetLinkTimer_Tick(object sender, EventArgs e)
{
_snippetLinkTimer.Enabled = false;
Range sr = Scintilla.Selection.Range;
if (_snippetLinks.IsActive)
{
SnippetLink oldActiveSnippetLink = _snippetLinks.ActiveSnippetLink;
SnippetLinkRange oldActiveRange = _snippetLinks.ActiveRange;
if (oldActiveRange != null && (oldActiveRange.IntersectsWith(sr) || oldActiveRange.Equals(sr)))
{
Scintilla.BeginInvoke(new MethodInvoker(delegate()
{
cascadeSnippetLinkRangeChange(oldActiveSnippetLink, oldActiveRange);
foreach (SnippetLink sl in _snippetLinks.Values)
{
foreach (Range r in sl.Ranges)
{
if (sl == _snippetLinks.ActiveSnippetLink)
{
r.ClearIndicator(Scintilla.Snippets.InactiveSnippetIndicator);
r.SetIndicator(Scintilla.Snippets.ActiveSnippetIndicator);
}
else
{
r.SetIndicator(Scintilla.Snippets.InactiveSnippetIndicator);
r.ClearIndicator(Scintilla.Snippets.ActiveSnippetIndicator);
}
}
}
if (_pendingUndo)
{
_pendingUndo = false;
Scintilla.UndoRedo.EndUndoAction();
}
Scintilla.NativeInterface.Colourise(0, -1);
}));
}
}
}
private SnippetLinkRange addSnippetLink(SnippetLinkRange range)
{
string key = range.Key;
SnippetLink sl = null;
for (int i = 0; i < _snippetLinks.Count; i++)
{
if (_snippetLinks[i].Key.Equals(key, StringComparison.CurrentCultureIgnoreCase))
{
sl = _snippetLinks[i];
break;
}
}
if (sl == null)
{
sl = new SnippetLink(key);
_snippetLinks.Add(sl);
}
sl.Ranges.Add(range);
range.Parent = sl.Ranges;
return(range);
}
private SnippetLinkRange addSnippetLink(SnippetLinkRange range)
{
string key = range.Key;
SnippetLink sl = null;
for (int i = 0; i < _snippetLinks.Count; i++)
{
if (_snippetLinks[i].Key.Equals(key, StringComparison.CurrentCultureIgnoreCase))
{
sl = _snippetLinks[i];
break;
}
}
if (sl == null)
{
sl = new SnippetLink(key);
_snippetLinks.Add(sl);
}
sl.Ranges.Add(range);
range.Parent = sl.Ranges;
return range;
}
private void cascadeSnippetLinkRangeChange(SnippetLink oldActiveSnippetLink, SnippetLinkRange oldActiveRange)
{
Scintilla.ManagedRanges.Sort();
int offset = 0;
string newText = oldActiveRange.Text;
Scintilla.NativeInterface.SetModEventMask(0);
foreach (ManagedRange mr in Scintilla.ManagedRanges)
{
if (offset != 0)
mr.Change(mr.Start + offset, mr.End + offset);
SnippetLinkRange slr = mr as SnippetLinkRange;
if (slr == null || !oldActiveSnippetLink.Ranges.Contains(slr) || slr.Text == newText)
continue;
int oldLength = slr.Length;
slr.Text = newText;
slr.End += newText.Length - oldLength;
offset += newText.Length - oldLength;
}
Scintilla.NativeInterface.SetModEventMask(Constants.SC_MODEVENTMASKALL);
}
