void ICompletionSource.AugmentCompletionSession(ICompletionSession session, IList <CompletionSet> completionSets)
{
if (completionSets.Count != 0)
{
// completionSets.Clear();
// session.Dismiss();
//此处为XML激活的自动完成比如输入 <时
return;
}
if (m_xmlType == XML_TYPE.Unknow)
{
}
SnapshotPoint?currentPoint = session.GetTriggerPoint(m_textBuffer.CurrentSnapshot); // (session.TextView.Caret.Position.BufferPosition);
if (!currentPoint.HasValue)
{
return;
}
ITextSnapshotLine TextSnapshotLine = session.TextView.TextSnapshot.GetLineFromPosition(currentPoint.Value);
ITextStructureNavigator navigator = m_sourceProvider.NavigatorService.GetTextStructureNavigator(m_textBuffer);
string xmlText = TextSnapshotLine.GetText();
SnapshotPoint linestart = TextSnapshotLine.Start;
xmlText = xmlText.Substring(0, currentPoint.Value - linestart.Position);
//向前查找 <或>或者空格
//string xmlText= m_textBuffer.CurrentSnapshot.GetText();
int pos1 = xmlText.LastIndexOf("<");
int pos2 = xmlText.LastIndexOf(" ");
int pos3 = xmlText.LastIndexOf(">");
int pos4 = xmlText.LastIndexOf("=");
if (pos3 > pos1)
{
return;//标签已关闭
}
if (pos1 > pos2)
{
SouiData.GetInstance().GetMap(m_xmlType, out m_compList, SouiData.MAPTYPE.C, m_sourceProvider.GlyphService);
var set = new CompletionSet(
"SOUI",
"SOUI",
FindTokenSpanAtPosition(session.GetTriggerPoint(m_textBuffer), session),
m_compList,
null);
// if(completionSets.Count>0)
// {
// completionSets.Clear();
// }
completionSets.Add(set);
}
else if (pos4 > pos2)
{
string key = "";
if (pos1 > pos3)
{
if (xmlText[pos1 + 1] != '/') //闭合节点
{
int pos = xmlText.IndexOf(" ", pos1); //<0123 56
++pos1;
key = xmlText.Substring(pos1, pos - pos1);
}
}
//控件名
if (key.Length != 0)
{
//属性名
string pro = "";
xmlText.IndexOf(" ", pos1);//<0123 56
int pos = xmlText.LastIndexOf(" ", pos4);
++pos;
pro = xmlText.Substring(pos, pos4 - pos);
if (pro.Length != 0)
{
SouiData.GetInstance().GetMap(m_xmlType, out m_compList, m_sourceProvider.GlyphService, key, pro);
var set = new CompletionSet(
"SOUI",
"SOUI",
FindTokenSpanAtPosition(session.GetTriggerPoint(m_textBuffer), session),
m_compList,
null);
if (completionSets.Count > 0)
{
completionSets.Clear();
}
completionSets.Add(set);
}
}
}
else
{
string key = "";
if (pos1 > pos3)
{
if (xmlText[pos1 + 1] != '/') //闭合节点
{
int pos = xmlText.IndexOf(" ", pos1); //<0123 56
++pos1;
key = xmlText.Substring(pos1, pos - pos1);
}
}
if (key.Length != 0)
{
SouiData.GetInstance().GetMap(m_xmlType, out m_compList, SouiData.MAPTYPE.P, m_sourceProvider.GlyphService, key);
var set = new CompletionSet(
"SOUI",
"SOUI",
FindTokenSpanAtPosition(session.GetTriggerPoint(m_textBuffer), session),
m_compList,
null);
if (completionSets.Count > 0)
{
completionSets.Clear();
}
completionSets.Add(set);
}
}
}
void IQuickInfoSource.AugmentQuickInfoSession(IQuickInfoSession session, IList <object> quickInfoContent, out ITrackingSpan applicableToSpan)
{
// Map the trigger point down to our buffer.
SnapshotPoint?subjectTriggerPoint = session.GetTriggerPoint(m_subjectBuffer.CurrentSnapshot);
if (!subjectTriggerPoint.HasValue)
{
applicableToSpan = null;
return;
}
ITextSnapshot currentSnapshot = subjectTriggerPoint.Value.Snapshot;
SnapshotSpan querySpan = new SnapshotSpan(subjectTriggerPoint.Value, 0);
//look for occurrences of our QuickInfo words in the span
ITextStructureNavigator navigator = m_provider.NavigatorService.GetTextStructureNavigator(m_subjectBuffer);
TextExtent extent = navigator.GetExtentOfWord(subjectTriggerPoint.Value);
string searchText = extent.Span.GetText();
if (searchText.Length < 2)//一般都是一个符号
{
applicableToSpan = null;
return;
}
SnapshotSpan ssPrevious = navigator.GetSpanOfPreviousSibling(extent.Span);
SnapshotSpan ssEnclosing = navigator.GetSpanOfEnclosing(extent.Span);
string strPreText = ssPrevious.GetText();
string strEnclosing = ssEnclosing.GetText();
string desText, strCtrlName;
if (strPreText == "<" || strPreText == "</" || strEnclosing.StartsWith("</"))//控件名
{
SouiData.GetInstance().GetKeyInf(searchText, out desText, currentSnapshot, out applicableToSpan, querySpan);
if (desText != null)
{
quickInfoContent.Add(desText);
}
else
{
applicableToSpan = null;
}
return;
}
else if (strPreText == "=\"")//属性值
{
applicableToSpan = null;
return;
}
//属性名
else if (strEnclosing.StartsWith("<"))
{
strCtrlName = navigator.GetExtentOfWord(ssEnclosing.Start + 1).Span.GetText();
if (strCtrlName == null || strCtrlName.Length == 0)
{
applicableToSpan = null;
return;
}
SouiData.GetInstance().GetProInf(strCtrlName, searchText, out desText, currentSnapshot, out applicableToSpan, querySpan);
if (desText != null)
{
quickInfoContent.Add(desText);
return;
}
}
else if (strPreText.StartsWith("<"))
{
strCtrlName = navigator.GetExtentOfWord(ssPrevious.Start + 1).Span.GetText();
if (strCtrlName == null || strCtrlName.Length == 0)
{
applicableToSpan = null;
return;
}
SouiData.GetInstance().GetProInf(strCtrlName, searchText, out desText, currentSnapshot, out applicableToSpan, querySpan);
if (desText != null)
{
quickInfoContent.Add(desText);
return;
}
}
strCtrlName = strPreText;
while (ssPrevious.Start > 0)
{
if (strPreText == "<")
{
SouiData.GetInstance().GetProInf(strCtrlName, searchText, out desText, currentSnapshot, out applicableToSpan, querySpan);
if (desText != null)
{
quickInfoContent.Add(desText);
return;
}
break;
}
strCtrlName = strPreText;
ssPrevious = navigator.GetExtentOfWord(ssPrevious.Start - 1).Span;
strPreText = ssPrevious.GetText();
}
applicableToSpan = null;
}
