private bool ReplaceComment()
{
//找到光标所在行的注释的textspan
//在首尾添加增加的注释
TextSpan textSpan = GetCommentTextSpanAtCurrentCaret();
VSTextView textView = new VSTextView(VSTextView.ActiveTextView);
if (textView != null && textSpan.iStartLine != -1)
{
//查看是否已经被替换过了
if (textView.GetOneLineText(textSpan.iStartLine + 1).Trim().StartsWith("///") &&
!textView.GetOneLineText(textSpan.iStartLine).Trim().StartsWith("#region"))
{
//using (VSUndo.StartUndo())
//{
// string spaceStr = GetSpaceBeforeComment(textView.GetOneLineText(textSpan.iStartLine + 1));
// textView.InsertText("\r\n" + spaceStr + "#region test", textSpan.iStartLine, 0);
// textView.InsertText(spaceStr + "#endregion\r\n", textSpan.iEndLine + 1, 0);
// textView.SetCursorPositon(textSpan.iStartLine + 1, spaceStr.Length);
// VSDocument.SaveActiveDocument();
// DelayExecute.Execute(3000, () =>
// {
// VSBase.ExecuteCommand((uint)VSConstants.VSStd2KCmdID.OUTLN_TOGGLE_CURRENT);
// });
// return false;
//}
}
}
return(true);
}
public static List <TextSpan> GetEmptyRegions(VSTextView textView)
{
List <TextSpan> allRegions = new List <TextSpan>();
List <TextSpan> textSpans = GetAllRegions(textView.GetWholeText());
for (int i = 0; i < textSpans.Count; i++)
{
TextSpan region = textSpans[i];
bool hasContent = false;
//检测start和end之间是否都是空行
for (int j = region.iStartLine + 1; j <= region.iEndLine - 1; j++)
{
string s = textView.GetOneLineText(j);
if (!string.IsNullOrEmpty(s.Trim()))
{
//region之间有内容
hasContent = true;
break;
}
}
if (!hasContent)
{
allRegions.Add(region);
}
}
return(allRegions);
}
/// <summary>
/// 监测插入的文本位置上下是否有一行空白，如果没有则自动添加
/// </summary>
/// <param name="insertLine"></param>
/// <param name="insertLineCount"></param>
private void InsertBlankLineAroundInsert(int insertLine, int insertLineCount)
{
VSTextView textView = new VSTextView(VSTextView.ActiveTextView);
int endLine = insertLine + insertLineCount + 1;
if (!string.IsNullOrEmpty(textView.GetOneLineText(endLine)))
{
textView.InsertText("\r\n", endLine, 0);
}
int startLine = insertLine - 1;
if (!string.IsNullOrEmpty(textView.GetOneLineText(startLine)))
{
textView.InsertText("\r\n", startLine + 1, 0);
}
}
private static void SelectCurrentLine()
{
VSTextView text = new VSTextView(VSTextView.ActiveTextView);
if (text != null)
{
int line = 0;
int col = 0;
text.GetCursorPositon(out line, out col);
text.SelectText(line, 0, line, text.GetOneLineText(line).Length);
}
}
private int GetInsertPosition(VSTextView textView, int curLineIndex, int curColumnIndex)
{
//在鼠标之前的第一个空格的地方插入
int col = curColumnIndex;
string text = textView.GetOneLineText(curLineIndex);
while (text[col] != ' ')
{
col--;
}
return(col);
}
private TextSpan GetCommentTextSpanAtCurrentCaret()
{
VSTextView textView = new VSTextView(VSTextView.ActiveTextView);
if (textView != null)
{
int line, col;
textView.GetCursorPositon(out line, out col);
int topIndex = line;
int bottomIndex = line;
string topLineText = textView.GetOneLineText(topIndex);
while (!string.IsNullOrEmpty(topLineText) && topLineText.Trim().StartsWith("///"))
{
topIndex--;
topLineText = textView.GetOneLineText(topIndex);
}
string bottomLineText = textView.GetOneLineText(bottomIndex);
while (!string.IsNullOrEmpty(topLineText) && bottomLineText.Trim().StartsWith("///"))
{
bottomIndex++;
bottomLineText = textView.GetOneLineText(bottomIndex);
}
return(new TextSpan()
{
iStartLine = topIndex, iEndLine = bottomIndex
});
}
return(new TextSpan()
{
iStartLine = -1, iEndLine = -1
});
}
/// <summary>
/// 获得类体开始的行数
/// </summary>
/// <param name="textView"></param>
/// <param name="element"></param>
/// <returns></returns>
private int GetElementBodyStartLine(VSTextView textView, CodeElement element)
{
int line = element.StartPoint.Line;
int start = line;
while (start < textView.GetLines())
{
if (textView.GetOneLineText(start).TrimStart().StartsWith("{"))
{
line = ++start;
break;
}
start++;
}
return(line);
}
private int CutRegionFlag(VSTextView textView, int topStart, int methodStart)
{
//这里要从下面往上找，不能从上往下找否则找到的第一个后面可能还会存在#region
int current = methodStart;
while (current > topStart)
{
string lineStr = textView.GetOneLineText(current).Trim();
if (lineStr.StartsWith("#region") || lineStr.StartsWith("#endregion"))
{
//返回#region 或者 #endregion的下一行作为分界线
return(++current);
}
current--;
}
return(topStart);
}
protected override void OnExecute(Microsoft.VisualStudio.Shell.OleMenuCommand command)
{
TextSelection selection = VSTextView.ActiveTextSelection;
if (selection != null)
{
string selectedText = selection.Text;
if (string.IsNullOrEmpty(selectedText))
{
VSTextView view = new VSTextView(VSTextView.ActiveTextView);
if (view != null)
{
selectedText = view.GetOneLineText(selection.TopPoint.Line - 1);
view.InsertText(selectedText, selection.TopPoint.Line, 0);
}
}
else
{
selection.Insert(selectedText + "\n" + selectedText);
}
}
}