Exemple #1
0
        public static void UndoableFormatRange(ITextView textView, ITextBuffer textBuffer, AstRoot ast, ITextRange formatRange)
        {
            ICompoundUndoAction undoAction = EditorShell.Current.CreateCompoundAction(textView, textView.TextBuffer);

            undoAction.Open(Resources.AutoFormat);
            bool changed = false;

            try {
                // Now format the scope
                changed = RangeFormatter.FormatRange(textView, textBuffer, formatRange, ast, REditorSettings.FormatOptions);
            } finally {
                undoAction.Close(!changed);
            }
        }
Exemple #2
0
        public static void DoActionOnLines(ITextView textView, ITextBuffer textBuffer, ITextRange range, Func <ITextSnapshotLine, bool> action, string actionName)
        {
            // When user clicks editor margin to select a line, selection actually
            // ends in the beginning of the next line. In order to prevent commenting
            // of the next line that user did not select, we need to shrink span to
            // format and exclude the trailing line break.

            ITextSnapshot     snapshot = textBuffer.CurrentSnapshot;
            ITextSnapshotLine line     = snapshot.GetLineFromPosition(range.End);

            int start = range.Start;
            int end   = range.End;

            if (line.Start.Position == range.End && range.Length > 0)
            {
                if (line.LineNumber > 0)
                {
                    line  = snapshot.GetLineFromLineNumber(line.LineNumber - 1);
                    end   = line.End.Position;
                    start = Math.Min(start, end);
                }
            }

            int startLineNumber = textBuffer.CurrentSnapshot.GetLineNumberFromPosition(start);
            int endLineNumber   = textBuffer.CurrentSnapshot.GetLineNumberFromPosition(end);

            ICompoundUndoAction undoAction = EditorShell.Current.CreateCompoundAction(textView, textBuffer);

            undoAction.Open(actionName);
            bool changed = false;

            try
            {
                for (int i = startLineNumber; i <= endLineNumber; i++)
                {
                    line     = textBuffer.CurrentSnapshot.GetLineFromLineNumber(i);
                    changed |= action(line);
                }
            }
            finally
            {
                undoAction.Close(!changed);
            }
        }
Exemple #3
0
        /// <summary>
        /// Formats specific scope
        /// </summary>
        private static void FormatScope(ITextView textView, ITextBuffer textBuffer,
                                        AstRoot ast, IScope scope, int baseIndentPosition, bool indentCaret)
        {
            ICompoundUndoAction undoAction = EditorShell.Current.CreateCompoundAction(textView, textView.TextBuffer);

            undoAction.Open(Resources.AutoFormat);
            bool changed = false;

            try {
                // Now format the scope
                changed = RangeFormatter.FormatRangeExact(textView, textBuffer, scope, ast,
                                                          REditorSettings.FormatOptions, baseIndentPosition, indentCaret);
                if (indentCaret)
                {
                    IndentCaretInNewScope(textView, textBuffer, scope, REditorSettings.FormatOptions);
                    changed = true;
                }
            } finally {
                undoAction.Close(!changed);
            }
        }