unsafe void _Drop(POINT xy, int effect)
{
_GetDropPos(ref xy, out int pos8);
var z = new Sci_DragDropData {
x = xy.x, y = xy.y
};
string s = null;
var b = new StringBuilder();
int what = 0, index = 0;
if (_justText)
{
s = _data.text;
}
else
{
_sci.Call(SCI_DRAGDROP, 2, &z); //just hides the drag indicator and sets caret position
if (_sci._fn.IsCodeFile)
{
string mi = _data.scripts
? "1 string s = name;|2 string s = path;|3 script.run(path);|4 t[name] = o => script.run(path);"
: "11 string s = path;|12 run.it(path);|13 t[name] = o => run.it(path);";
what = popupMenu.showSimple(mi);
if (what == 0)
{
return;
}
}
if (_data.scripts)
{
var a = Panels.Files.TreeControl.DragDropFiles;
if (a != null)
{
foreach (var f in a)
{
_AppendScriptOrLink(f.ItemPath, f.Name, f);
}
}
}
else if (_data.files != null)
{
foreach (var path in _data.files)
{
_AppendFileOrShell(path);
}
}
else if (_data.shell != null)
{
_GetShell(_data.shell, out var shells, out var names);
if (shells != null)
{
for (int i = 0; i < shells.Length; i++)
{
_AppendFileOrShell(shells[i], names[i]);
}
}
}
else if (_data.linkName != null)
{
_AppendScriptOrLink(_data.text, _GetLinkName(_data.linkName));
}
s = b.ToString();
}
if (!s.NE())
{
if (_justText) //a simple drag-drop inside scintilla or text-only from outside
{
var s8 = Encoding.UTF8.GetBytes(s);
fixed(byte *p8 = s8)
{
z.text = p8;
z.len = s8.Length;
if (0 == ((DragDropEffects)effect & DragDropEffects.Move))
{
z.copy = 1;
}
CodeInfo.Pasting(_sci);
_sci.Call(SCI_DRAGDROP, 2, &z);
}
}
else //file, script or URL
{
InsertCode.Statements(s, ICSFlags.NoFocus);
}
if (!_sci.IsFocused && _sci.Hwnd.Window.IsActive) //note: don't activate window; let the drag source do it, eg Explorer activates on drag-enter.
{
_sci._noModelEnsureCurrentSelected = true; //don't scroll treeview to currentfile
_sci.Focus();
_sci._noModelEnsureCurrentSelected = false;
}
}
else
{
_sci.Call(SCI_DRAGDROP, 3);
}
void _AppendFileOrShell(string path, string name = null)
{
if (b.Length > 0)
{
b.AppendLine();
}
var pi = new TUtil.PathInfo(path, name);
b.Append(pi.FormatCode(what - 11, ++index));
}
void _AppendScriptOrLink(string path, string name, FileNode fn = null)
{
if (b.Length > 0)
{
b.AppendLine();
}
if (what == 0)
{
b.Append(path);
}
else
{
if (what == 4)
{
name = name.RemoveSuffix(".cs");
}
name = name.Escape();
if (what is 4 or 13)
{
var t = InsertCodeUtil.GetNearestLocalVariableOfType("Au.toolbar", "Au.popupMenu");
b.Append($"{t?.Name ?? "t"}[\"{name}\"] = o => ");
}
//static int s_test;
public static void AddSnippets(List <CiComplItem> items, TextSpan span, CompilationUnitSyntax root, string code, CSharpSyntaxContext syncon)
{
//CSharpSyntaxContext was discovered later and therefore almost not used here.
if (syncon.IsObjectCreationTypeContext)
{
return;
}
//CiUtil.GetContextType(syncon);
//print.clear(); print.it(++s_test);
//print.clear();
//foreach (var v in root.ChildNodes()) {
// CiUtil.PrintNode(v);
//}
//print.it("---");
_Context context = _Context.Unknown;
int pos = span.Start;
//get node from start
var token = root.FindToken(pos);
var node = token.Parent;
//CiUtil.PrintNode(node); //print.it("--");
//return;
//find ancestor/self that contains pos inside
while (node != null && !node.Span.ContainsInside(pos))
{
node = node.Parent;
}
//CiUtil.PrintNode(node);
//for(var v = node; v != null; v = v.Parent) print.it(v.GetType().Name, v is ExpressionSyntax, v is ExpressionStatementSyntax);
//print.it(SyntaxFacts.IsTopLevelStatement);
//print.it(SyntaxFacts.IsInNamespaceOrTypeContext); //not tested
switch (node)
{
case BlockSyntax:
case SwitchSectionSyntax: //between case: and break;
case ElseClauseSyntax:
case LabeledStatementSyntax:
case IfStatementSyntax s1 when pos > s1.CloseParenToken.SpanStart:
case WhileStatementSyntax s2 when pos > s2.CloseParenToken.SpanStart:
case DoStatementSyntax s3 when pos <s3.WhileKeyword.SpanStart:
case ForStatementSyntax s4 when pos> s4.CloseParenToken.SpanStart:
case CommonForEachStatementSyntax s5 when pos > s5.CloseParenToken.SpanStart:
case LockStatementSyntax s6 when pos > s6.CloseParenToken.SpanStart:
case FixedStatementSyntax s7 when pos > s7.CloseParenToken.SpanStart:
case UsingStatementSyntax s8 when pos > s8.CloseParenToken.SpanStart:
context = _Context.Function;
break;
case TypeDeclarationSyntax td when pos > td.OpenBraceToken.Span.Start: //{ } of class, struct, interface
context = _Context.Type;
break;
case NamespaceDeclarationSyntax ns when pos > ns.OpenBraceToken.Span.Start:
case CompilationUnitSyntax:
case null:
context = _Context.Namespace | _Context.Function; //Function for C# 9 top-level statements. //FUTURE: only if in correct place.
break;
case LambdaExpressionSyntax:
case ArrowExpressionClauseSyntax: //like void F() =>here
context = _Context.Arrow;
break;
case AttributeListSyntax:
context = _Context.Attributes;
break;
default:
if (span.IsEmpty) //if '=> here;' or '=> here)' etc, use =>
{
var t2 = token.GetPreviousToken();
if (t2.IsKind(SyntaxKind.EqualsGreaterThanToken) && t2.Parent is LambdaExpressionSyntax)
{
context = _Context.Arrow;
}
}
break;
}
//print.it(context);
s_context = context;
if (s_items == null)
{
var a = new List <_CiComplItemSnippet>();
if (!filesystem.exists(CustomFile).File)
{
try { filesystem.copy(folders.ThisAppBS + @"Default\Snippets2.xml", CustomFile); }
catch { goto g1; }
}
_LoadFile(CustomFile, true);
g1 : _LoadFile(DefaultFile, false);
if (a.Count == 0)
{
return;
}
s_items = a;
void _LoadFile(string file, bool custom)
{
try {
var xroot = XmlUtil.LoadElem(file);
foreach (var xg in xroot.Elements("group"))
{
if (!xg.Attr(out string sc, "context"))
{
continue;
}
_Context con = default;
if (sc == "Function")
{
con = _Context.Function; //many
}
else //few, eg Type or Namespace|Type
{
foreach (var seg in sc.Segments("|"))
{
switch (sc[seg.Range])
{
case "Function": con |= _Context.Function; break;
case "Type": con |= _Context.Type; break;
case "Namespace": con |= _Context.Namespace; break;
case "Arrow": con |= _Context.Arrow; break;
case "Attributes": con |= _Context.Attributes; break;
case "Any": con |= _Context.Any; break;
case "Line": con |= _Context.Line; break;
}
}
}
if (con == default)
{
continue;
}
foreach (var xs in xg.Elements("snippet"))
{
a.Add(new _CiComplItemSnippet(xs.Attr("name"), xs, con, custom));
}
}
}
catch (Exception ex) { print.it("Failed to load snippets from " + file + "\r\n\t" + ex.ToStringWithoutStack()); }
}
//FUTURE: support $selection$. Add menu Edit -> Surround -> Snippet1|Snippet2|....
//FUTURE: snippet editor, maybe like in Eclipse.
}
bool isLineStart = InsertCodeUtil.IsLineStart(code, pos);
foreach (var v in s_items)
{
if (!v.context.HasAny(context))
{
continue;
}
if (v.context.Has(_Context.Line) && !isLineStart)
{
continue;
}
v.group = 0; v.hidden = 0; v.hilite = 0; v.moveDown = 0;
v.ci.Span = span;
items.Add(v);
}
}
