public void OnInsert(
TestTextPoint startPoint,
string st)
{
int startLine = startPoint.mLineNum;
int startChar = startPoint.mCharPosition;
int charsPushedOnNextLine = 0; // chars after last carriage return
int linesPushedDown = 0; // number carriage returns
if (st[0] == '\n')
{
string temp = GetLine(startLine).Substring(startChar);
SetLine(startLine, GetLine(startLine).Substring(0, startChar));
mLines.Insert(startLine, st.Substring(1) + temp);
linesPushedDown = 1;
charsPushedOnNextLine = st.Length - 1;
}
else if (st[0] == '\r')
{
string temp = GetLine(startLine).Substring(startChar);
SetLine(startLine, GetLine(startLine).Substring(0, startChar));
mLines.Insert(startLine, st.Substring(2) + temp);
linesPushedDown = 1;
charsPushedOnNextLine = st.Length - 2;
}
else
{
SetLine(startLine, GetLine(startPoint.mLineNum).Insert(startChar, st));
charsPushedOnNextLine = st.Length + startChar;
}
for (int i = 0; i < mCurrentPoints.Count;)
{
WeakReference wr = (WeakReference)mCurrentPoints[i];
if (wr.IsAlive)
{
TestTextPoint curPoint = (TestTextPoint)wr.Target;
if ((curPoint.mLineNum == startLine) &&
(curPoint.mCharPosition >= startChar))
{
curPoint.mLineNum += linesPushedDown;
curPoint.mCharPosition = (curPoint.mCharPosition - startChar) +
charsPushedOnNextLine;
}
else if (curPoint.mLineNum > startLine)
{
curPoint.mLineNum += linesPushedDown;
}
i++;
}
else
{
mCurrentPoints.RemoveAt(i);
}
}
}
public EnvDTE.EditPoint CreateEditPoint(EnvDTE.TextPoint tp)
{
EnvDTE.EditPoint ret;
if (tp == null)
{
ret = new TestTextPoint(this, 1, 1);
}
else
{
ret = new TestTextPoint(this, tp.Line, tp.LineCharOffset);
}
mCurrentPoints.Add(new WeakReference(ret));
return(ret);
}
public string GetText(object obj)
{
// FIXME: this function is not implemented to handle multiple lines!!!!
if (obj is int)
{
int val = (int)obj;
if ((val == -1) && (mCharPosition == 0))
{
// ugly hack!
return("\r\n");
}
return(mParent.GetLine(mLineNum).Substring(mCharPosition, val));
}
else if (obj is TestTextPoint)
{
TestTextPoint end = (TestTextPoint)obj;
return(mParent.GetLine(mLineNum).Substring(mCharPosition, end.mCharPosition - mCharPosition));
}
return("");
}
public void OnDelete(
TestTextPoint startPoint,
object obj)
{
TestTextPoint endPoint;
if (obj is int)
{
endPoint = (TestTextPoint)startPoint.CreateEditPoint();
endPoint.CharRight((int)obj);
}
else if (obj is TestTextPoint)
{
endPoint = (TestTextPoint)obj;
}
else
{
throw new System.ArgumentException("Invalid argument");
}
if (!endPoint.GreaterThan(startPoint))
{
if (endPoint.EqualTo(startPoint))
{
return;
}
else
{
throw new System.ArgumentException("Invalid argument");
}
}
if (startPoint.mLineNum == endPoint.mLineNum)
{
SetLine(startPoint.mLineNum, GetLine(startPoint.mLineNum).Remove(startPoint.mCharPosition,
endPoint.mCharPosition - startPoint.mCharPosition));
}
else
{
SetLine(startPoint.mLineNum, GetLine(startPoint.mLineNum).Remove(startPoint.mCharPosition,
startPoint.LineLength - startPoint.mCharPosition) +
GetLine(endPoint.mLineNum).Remove(0, endPoint.mCharPosition));
mLines.RemoveRange((startPoint.mLineNum - 1) + 1, endPoint.mLineNum - startPoint.mLineNum);
}
int startLine = startPoint.mLineNum;
int startChar = startPoint.mCharPosition;
int endLine = endPoint.mLineNum;
int endChar = endPoint.mCharPosition;
for (int i = 0; i < mCurrentPoints.Count;)
{
WeakReference wr = (WeakReference)mCurrentPoints[i];
if (wr.IsAlive)
{
TestTextPoint curPoint = (TestTextPoint)wr.Target;
if (((curPoint.mLineNum > startLine) ||
((curPoint.mLineNum == startLine) && (curPoint.mCharPosition >= startChar))) &&
((curPoint.mLineNum < endLine) ||
((curPoint.mLineNum == endLine) && (curPoint.mCharPosition <= endChar))))
{
// point in range of deletion
curPoint.mLineNum = startLine;
curPoint.mCharPosition = startChar;
}
else if ((curPoint.mLineNum == endLine) &&
(curPoint.mCharPosition >= endChar))
{
// point on line after deletion
curPoint.mLineNum = startLine;
curPoint.mCharPosition = startChar + (curPoint.mCharPosition - endChar);
}
else if (curPoint.mLineNum > endLine)
{
// line after deletion
curPoint.mLineNum -= endLine - startLine;
}
i++;
}
else
{
mCurrentPoints.RemoveAt(i);
}
}
}
public void OnInsert(
TestTextPoint startPoint,
string st)
{
int startLine = startPoint.mLineNum;
int startChar = startPoint.mCharPosition;
int charsPushedOnNextLine=0;// chars after last carriage return
int linesPushedDown=0;// number carriage returns
if (st[0] == '\n')
{
string temp = GetLine(startLine).Substring(startChar);
SetLine(startLine,GetLine(startLine).Substring(0,startChar));
mLines.Insert(startLine,st.Substring(1) + temp);
linesPushedDown = 1;
charsPushedOnNextLine = st.Length-1;
}
else if (st[0] == '\r')
{
string temp = GetLine(startLine).Substring(startChar);
SetLine(startLine,GetLine(startLine).Substring(0,startChar));
mLines.Insert(startLine,st.Substring(2) + temp);
linesPushedDown = 1;
charsPushedOnNextLine = st.Length-2;
}
else
{
SetLine(startLine, GetLine(startPoint.mLineNum).Insert(startChar,st));
charsPushedOnNextLine = st.Length+startChar;
}
for (int i=0; i < mCurrentPoints.Count; )
{
WeakReference wr = (WeakReference) mCurrentPoints[i];
if (wr.IsAlive)
{
TestTextPoint curPoint = (TestTextPoint) wr.Target;
if ((curPoint.mLineNum == startLine) &&
(curPoint.mCharPosition >= startChar))
{
curPoint.mLineNum += linesPushedDown;
curPoint.mCharPosition = (curPoint.mCharPosition - startChar) +
charsPushedOnNextLine;
}
else if (curPoint.mLineNum > startLine)
{
curPoint.mLineNum += linesPushedDown;
}
i++;
}
else
{
mCurrentPoints.RemoveAt(i);
}
}
}
public void OnDelete(
TestTextPoint startPoint,
object obj)
{
TestTextPoint endPoint;
if (obj is int)
{
endPoint = (TestTextPoint) startPoint.CreateEditPoint();
endPoint.CharRight((int)obj);
}
else if (obj is TestTextPoint)
{
endPoint = (TestTextPoint) obj;
}
else
{
throw new System.ArgumentException("Invalid argument");
}
if (!endPoint.GreaterThan(startPoint))
{
if (endPoint.EqualTo(startPoint))
{
return;
}
else
{
throw new System.ArgumentException("Invalid argument");
}
}
if (startPoint.mLineNum == endPoint.mLineNum)
{
SetLine(startPoint.mLineNum, GetLine(startPoint.mLineNum).Remove(startPoint.mCharPosition,
endPoint.mCharPosition - startPoint.mCharPosition));
}
else
{
SetLine(startPoint.mLineNum, GetLine(startPoint.mLineNum).Remove(startPoint.mCharPosition,
startPoint.LineLength - startPoint.mCharPosition) +
GetLine(endPoint.mLineNum).Remove(0,endPoint.mCharPosition));
mLines.RemoveRange((startPoint.mLineNum-1)+1,endPoint.mLineNum - startPoint.mLineNum);
}
int startLine = startPoint.mLineNum;
int startChar = startPoint.mCharPosition;
int endLine = endPoint.mLineNum;
int endChar = endPoint.mCharPosition;
for (int i=0; i < mCurrentPoints.Count; )
{
WeakReference wr = (WeakReference) mCurrentPoints[i];
if (wr.IsAlive)
{
TestTextPoint curPoint = (TestTextPoint) wr.Target;
if (((curPoint.mLineNum > startLine) ||
((curPoint.mLineNum == startLine) && (curPoint.mCharPosition >= startChar) )) &&
((curPoint.mLineNum < endLine) ||
((curPoint.mLineNum == endLine) && (curPoint.mCharPosition <= endChar) )))
{
// point in range of deletion
curPoint.mLineNum = startLine;
curPoint.mCharPosition = startChar;
}
else if ((curPoint.mLineNum == endLine) &&
(curPoint.mCharPosition >= endChar))
{
// point on line after deletion
curPoint.mLineNum = startLine;
curPoint.mCharPosition = startChar + (curPoint.mCharPosition - endChar);
}
else if (curPoint.mLineNum > endLine)
{
// line after deletion
curPoint.mLineNum -= endLine - startLine;
}
i++;
}
else
{
mCurrentPoints.RemoveAt(i);
}
}
}
public EnvDTE.EditPoint CreateEditPoint(EnvDTE.TextPoint tp)
{
EnvDTE.EditPoint ret;
if (tp == null)
{
ret = new TestTextPoint(this,1,1);
}
else
{
ret = new TestTextPoint(this,tp.Line, tp.LineCharOffset);
}
mCurrentPoints.Add(new WeakReference(ret));
return ret;
}