protected override void OnExecute(Microsoft.VisualStudio.Shell.OleMenuCommand command)
{
VSCodeModel codeModel = new VSCodeModel();
VSTextView textView = new VSTextView(VSTextView.ActiveTextView);
if (string.IsNullOrEmpty(textView.GetSelectedText().Trim()))
{
MessageBox.Show("please select valid text");
return;
}
//需要判断选中的内容属于哪个类或结构体下面
TextSpan ts = textView.GetSelectedSpan();
CodeElement classElement = GetClassElementSelectionBelong(textView, codeModel);
if (classElement == null)
{
MessageBox.Show("Can't detect which class or struct the selection belongs to");
return;
}
MoveToRegionForm form = new MoveToRegionForm(classElement);
form.OnSelectRegion += form_OnSelectRegion;
form.ShowDialog();
}
/// <summary>
/// 得到选中部分所在的classElement
/// </summary>
/// <returns></returns>
private CodeElement GetClassElementSelectionBelong(VSTextView textView, VSCodeModel codeModel)
{
TextSpan ts = textView.GetSelectedSpan();
return(codeModel.GetClassInCurrentFile().Where(o =>
o.StartPoint.Line < ts.iStartLine &&
o.EndPoint.Line > ts.iEndLine).FirstOrDefault());
}
private void form_OnSelectRegion(RegionElement region)
{
VSTextView textView = new VSTextView(VSTextView.ActiveTextView);
TextSpan ts = textView.GetSelectedSpan();
string cutStr = textView.GetText(ts.iStartLine, 0, ts.iEndLine + 1, 0);
//if (!cutStr.StartsWith("\r\n"))
//{
// cutStr = "\r\n" + cutStr;
//}
//if (!cutStr.EndsWith("\r\n"))
//{
// cutStr = cutStr + "\r\n";
//}
//判断要移动的文本和region的关系
if (ts.iStartLine > region.EndLine)
{
//要移动的文本在region下面，此时需要先删除再插入。才能让传过来的insertLine有效
textView.DeleteText(ts.iStartLine, 0, ts.iEndLine + 1, 0);
textView.InsertText(cutStr, region.EndLine, 0);
InsertBlankLineAroundInsert(region.EndLine, ts.iEndLine - ts.iStartLine);
}
else if (ts.iEndLine < region.StartLine)
{
//文本在region上面,先插入再删除
textView.InsertText(cutStr, region.EndLine, 0);
textView.DeleteText(ts.iStartLine, 0, ts.iEndLine + 1, 0);
//文本删除后，因为region要往上移动，所以这里的region实际位置发生了变化
InsertBlankLineAroundInsert(region.EndLine - (ts.iEndLine - ts.iStartLine) - 1, ts.iEndLine - ts.iStartLine);
}
else
{
MessageBox.Show("Selected text has intersection with this region, can't handle request.");
}
}