From d577d991b97ae2b5ee1af23641bcffc3f83af5b2 Mon Sep 17 00:00:00 2001
From: Pixel <pixel@nobis-crew.org>
Date: Wed, 4 Nov 2009 11:56:41 -0800
Subject: Initial import. Contains the im, cd and iup librairies, and a
 "working" Makefile for them under linux.

---
 iup/srcpplot/iupPPlotInteraction.cpp | 832 +++++++++++++++++++++++++++++++++++
 1 file changed, 832 insertions(+)
 create mode 100755 iup/srcpplot/iupPPlotInteraction.cpp

(limited to 'iup/srcpplot/iupPPlotInteraction.cpp')

diff --git a/iup/srcpplot/iupPPlotInteraction.cpp b/iup/srcpplot/iupPPlotInteraction.cpp
new file mode 100755
index 0000000..389dbcc
--- /dev/null
+++ b/iup/srcpplot/iupPPlotInteraction.cpp
@@ -0,0 +1,832 @@
+/***************************************************************************
+ *                                                                         *
+ *   Copyright notice:                                                     *
+ *                                                                         *
+ *   This is free Pier ware. You may do whatever you want with this code.  *
+ *   You may cont(r)act me by email: pierphil@xs4all.nl                    *
+ *                                                                         *
+ ***************************************************************************/
+
+#include <stdio.h>
+#include <math.h>
+
+#include "iupPPlotInteraction.h"
+
+const float kHitDistance = (float)10.0;//pixels
+
+float pmax (float inX1, float inX2) {
+  if (inX1>inX2) {
+    return inX1;
+  }
+  return inX2;
+}
+float pmin (float inX1, float inX2) {
+  if (inX1<inX2) {
+    return inX1;
+  }
+  return inX2;
+}
+
+PMouseEvent::PMouseEvent (int inX, int inY, EType inType, int inModifierKeys):
+  PModifierKeys(inModifierKeys),
+  mX(inX),
+  mY(inY),
+  mType(inType)
+{
+}
+
+PKeyEvent::PKeyEvent (EKey inKey, int inRepeatCount, int inModifierKeys, char inChar):
+  PModifierKeys (inModifierKeys),
+  mKey (inKey),
+  mChar (inChar),
+  mRepeatCount (inRepeatCount)
+{
+}
+
+PPlotInteraction::PPlotInteraction (PPlot &inPPlot):
+  mPPlot (inPPlot),
+  mIsEnabled (true)
+{
+}
+
+
+PZoomInteraction::PZoomInteraction (PPlot &inPPlot):
+  PPlotInteraction (inPPlot),
+  mDragging (false),
+  mZoomMode (kZoom_Region)
+{
+  inPPlot.mPostDrawerList.push_back (this);
+}
+
+bool PZoomInteraction::HandleMouseEvent (const PMouseEvent &inEvent) {
+  if (!mDragging) {
+    if (inEvent.IsMouseDown ()) {
+      /*      if (inEvent.IsOnlyShiftKeyDown ()) {
+        DoZoomOut ();
+        return true;
+        }*/
+      if (inEvent.HasModifierKeys ()) {
+        return false;
+      }
+      mDragging = true;
+      mX1 = mX2 = inEvent.mX;
+      mY1 = mY2 = inEvent.mY;
+      return true;
+    }
+  }
+  else {
+    if (inEvent.IsMouseUp ()) {
+      // here we should zoom
+
+      if (mX1 == mX2 && mY1 == mY2) {
+        mDragging = false;
+        DoZoomOut ();
+        return true;
+        //      return false;// emtpy area                                 
+      }
+
+      DoZoomIn ();
+      mDragging = false;
+      return true;
+    }
+    if (inEvent.IsMouseMove ()) {
+      mX2 = inEvent.mX;
+      mY2 = inEvent.mY;
+      return true;
+    }
+  }
+  return false;
+}
+
+bool PZoomInteraction::HandleKeyEvent (const PKeyEvent &inEvent) {
+
+  if (inEvent.IsOnlyControlKeyDown () && inEvent.IsChar ()) {
+    switch (inEvent.GetChar ()) {
+    case 'r':
+      mZoomMode = kZoom_Region;
+      return true;
+      break;
+    case 'x':
+      mZoomMode = kZoom_X;
+      return true;
+      break;
+    case 'y':
+      mZoomMode = kZoom_Y;
+      return true;
+      break;
+    }
+  }
+  return false;
+};
+
+bool PZoomInteraction::Draw (Painter &inPainter) {
+  if (mDragging) {
+    inPainter.SetLineColor (255, 0, 0);
+
+    float theX1 = mX1;
+    float theX2 = mX2;
+    float theY1 = mY1;
+    float theY2 = mY2;
+
+    bool theDrawInverse = true;
+
+    switch (mZoomMode) {
+    case kZoom_Region:
+      //      theDrawInverse = false;
+      break;
+    case kZoom_X:
+      theY1 = mPPlot.mMargins.mTop;
+      theY2 = inPainter.GetHeight ()-mPPlot.mMargins.mBottom;
+      break;
+    case kZoom_Y:
+      theX1 = mPPlot.mMargins.mLeft;
+      theX2 = inPainter.GetWidth ()-mPPlot.mMargins.mRight;
+      break;
+    }
+
+    // draw rectangle
+    inPainter.DrawLine (theX1, theY1, theX2, theY1);
+    inPainter.DrawLine (theX2, theY1, theX2, theY2);
+    inPainter.DrawLine (theX2, theY2, theX1, theY2);
+    inPainter.DrawLine (theX1, theY2, theX1, theY1);
+
+    if (theDrawInverse) {
+      float theX = pmin (theX1, theX2); 
+      float theY = pmin (theY1, theY2); 
+      float theW = fabs (theX1-theX2);
+      float theH = fabs (theY1-theY2);
+      inPainter.InvertRect (theX, theY, theW, theH);
+    }
+  }
+  return true;
+  
+}
+
+bool PZoomInteraction::CheckRange (float inFloat1, float inFloat2) {
+    if (fabs(inFloat1-inFloat2) < 1e-5) {
+        return false;
+    }
+    int abs1 = (int) log10(fabs (inFloat1));
+    int abs2 = (int) log10(fabs (inFloat2));
+    if ( abs1 == abs2) {
+        float theVal1 = (inFloat1 / pow (10., abs1));  /* M.T. changed to force a double cast */
+        float theVal2 = (inFloat2 / pow (10., abs2));
+        float theValDif = fabs(theVal1  - theVal2);
+        if (theValDif < 1e-5) {
+            return false;
+        }
+    }
+    return true;
+}
+
+// hmmm... copied from PPlot.cpp
+void PZoomInteraction::DoZoomIn (float inX1, float inX2, float inY1, float inY2) {
+    if (!CheckRange (inX1, inX2)) {
+        return;
+    }
+    if (!CheckRange (inY1, inY2)) {
+        return;
+    }
+    // also use the following criterium that is used in PPlot::CalculateTickInfo to 
+    // avoid strange zoom in / zoom out behaviour
+    float theYRange = fabs (inY1 - inY2);
+    float theYMax = (inY1 > inY2) ? inY1 : inY2;
+    if (fabs (theYRange / theYMax) < PPlot::kRangeVerySmall) {
+        return;
+    }
+
+    StoreCurrentAxisSetup ();
+
+    if (IsZoomRegion () || IsZoomX ()) {
+      mPPlot.mXAxisSetup.SetAutoScale (false);
+      mPPlot.mXAxisSetup.mMin = pmin (inX1, inX2);
+      mPPlot.mXAxisSetup.mMax = pmax (inX1, inX2);
+    }
+    if (IsZoomRegion () || IsZoomY ()) {
+      mPPlot.mYAxisSetup.SetAutoScale (false);
+      mPPlot.mYAxisSetup.mMin = pmin (inY1, inY2);
+      mPPlot.mYAxisSetup.mMax = pmax (inY1, inY2);
+    }
+
+    return;
+}
+
+void PZoomInteraction::StoreCurrentAxisSetup () {
+  PAxisInfo theInfo;// store the current axis setup
+
+  theInfo.mXAxisSetup = mPPlot.mXAxisSetup;
+  theInfo.mYAxisSetup = mPPlot.mYAxisSetup;
+
+  mZoomHistory.push (theInfo);
+}
+
+void PZoomInteraction::DoZoomIn () {
+  float theX1 = mPPlot.mXTrafo->TransformBack (mX1);
+  float theX2 = mPPlot.mXTrafo->TransformBack (mX2);
+  float theY1 = mPPlot.mYTrafo->TransformBack (mY1);
+  float theY2 = mPPlot.mYTrafo->TransformBack (mY2);
+
+  DoZoomIn (theX1, theX2, theY1, theY2);
+};
+
+// arguments allow us to zoom out in X direction but change the Y-axis
+void PZoomInteraction::DoZoomOut (float inY1, float inY2) {
+  if (mZoomHistory.size () == 0) {
+    return;
+  }
+  PAxisInfo theInfo = mZoomHistory.top ();
+  mZoomHistory.pop ();
+
+  mPPlot.mXAxisSetup = theInfo.mXAxisSetup;
+  if (inY1 != -1) {
+    mPPlot.mYAxisSetup.mMin = pmin (inY1, inY2);
+    mPPlot.mYAxisSetup.mMax = pmax (inY1, inY2);
+  } else {
+    mPPlot.mYAxisSetup = theInfo.mYAxisSetup;
+  }
+}
+
+PSelectionInteraction::PSelectionInteraction (PPlot &inPPlot):
+  PPlotInteraction (inPPlot),
+  mCommand (kNone),
+  mListener (0)
+{
+  inPPlot.mPostCalculatorList.push_back (this);
+}
+
+
+bool PSelectionInteraction::HandleKeyEvent (const PKeyEvent &inEvent) {
+
+  mCommand = kNone;
+  if (inEvent.IsOnlyControlKeyDown () && inEvent.IsChar () && inEvent.GetChar () == 'a') {
+//    mCalculate = true;
+    mCommand = kSelectAll;
+    mKeyEvent = inEvent;
+  }
+  return mCommand != kNone;
+};
+
+void PSelectionInteraction::UpdateSelection (int inIndex, int inSampleIndex, PlotDataBase *inXData, PlotDataBase *inYData, bool inHit, PlotDataSelection *inPlotDataSelection) {
+  if ((*inPlotDataSelection)[inSampleIndex] != inHit)
+  {
+    if (SelectNotify(inIndex, inSampleIndex, inXData, inYData, inHit))
+      (*inPlotDataSelection)[inSampleIndex] = inHit;
+  }
+}
+
+void PSelectionInteraction::SelectAll (int inIndex, PlotDataBase *inXData, PlotDataBase *inYData, PlotDataSelection *inPlotDataSelection) {
+  for (long theI=0;theI<inPlotDataSelection->size ();theI++) {
+    UpdateSelection (inIndex, theI, inXData, inYData, true, inPlotDataSelection);
+  }
+}
+
+
+bool PSelectionInteraction::HandleMouseEvent (const PMouseEvent &inEvent) {
+
+  mCommand = kNone;
+  if (inEvent.IsMouseDown ()) {
+    if (!(inEvent.IsOnlyControlKeyDown () || inEvent.IsOnlyShiftKeyDown ())) {
+      return false;
+    }
+//    fprintf (stderr, "selection\n");
+//    mCalculate = true;
+    if (inEvent.IsOnlyControlKeyDown ()) {
+      mCommand = kPointwiseSelection;
+    }
+    else if (inEvent.IsOnlyShiftKeyDown ()) {
+      mCommand = kGlobalSelection;
+    }
+    mMouseEvent = inEvent;
+    return true;
+  }
+  return false;
+}
+
+bool PSelectionInteraction::Calculate (Painter &inPainter, PPlot& inPPlot) {
+
+  if (mCommand == kNone) {
+    return true;
+  }
+
+  PlotDataContainer &theContainer = inPPlot.mPlotDataContainer;
+  long thePlotCount = theContainer.GetPlotCount ();
+  float theDist = -1;
+
+  for (long theI=0;theI<thePlotCount;theI++) {
+    PlotDataBase *theXData = theContainer.GetXData (theI);
+    PlotDataBase *theYData = theContainer.GetYData (theI);
+    DataDrawerBase *theDataDrawer = theContainer.GetDataDrawer (theI);
+    PlotDataSelection *thePlotDataSelection = theContainer.GetPlotDataSelection (theI);
+
+
+
+    long theNearestPointIndex;
+    float theLocalDist = CalculateDistanceToPlot (theXData, theYData, theNearestPointIndex);
+
+//    fprintf (stderr, "dist %f\n", theLocalDist);
+
+    bool theHit = theLocalDist < kHitDistance;
+
+    if (!SelectNotify(-1, 0, NULL, NULL, false))
+      return true;
+
+    if (mCommand == kPointwiseSelection) {
+      HandlePointwiseInteraction (theI, theXData, theYData, theHit, theNearestPointIndex, theDataDrawer, thePlotDataSelection);
+    }
+    else if (mCommand == kGlobalSelection){
+      HandleGlobalInteraction (theI, theXData, theYData, theHit, theNearestPointIndex, theDataDrawer, thePlotDataSelection);
+    }
+    else if (mCommand == kSelectAll) {
+      SelectAll (theI, theXData, theYData, thePlotDataSelection);
+    }
+
+    SelectNotify(-2, 0, NULL, NULL, false);
+
+    if (theHit) {
+//      fprintf (stderr, "hit/n");
+    }
+  }
+  if (mListener) {
+    mListener->HandlePSelectionInteraction ();
+  }
+
+  mCommand = kNone;
+
+  return true;
+}
+
+void PSelectionInteraction::HandleGlobalInteraction (int inIndex, PlotDataBase *inXData, PlotDataBase *inYData, bool inHit, long inNearestPointIndex, DataDrawerBase *inDataDrawer, PlotDataSelection *inPlotDataSelection) {
+    if (inPlotDataSelection->size ()>0) {
+      for (int theI=0;theI<inPlotDataSelection->size ();theI++) {
+        UpdateSelection (inIndex, theI, inXData, inYData, inHit, inPlotDataSelection);
+      }
+    }
+}
+
+void PSelectionInteraction::HandlePointwiseInteraction (int inIndex, PlotDataBase *inXData, PlotDataBase *inYData, bool inHit, long inNearestPointIndex, DataDrawerBase *inDataDrawer, PlotDataSelection *inPlotDataSelection) {
+  if (!inHit) {
+    return;
+  }
+  if (inPlotDataSelection->size ()>inNearestPointIndex) {
+      bool theWasHit = (*inPlotDataSelection)[inNearestPointIndex] !=0;
+      UpdateSelection (inIndex, inNearestPointIndex, inXData, inYData, !theWasHit, inPlotDataSelection);
+      /*
+    for (int theI=0;theI<inPlotDataSelection->size ();theI++) {
+      bool theWasHit = (*inPlotDataSelection)[theI] !=0;
+      bool theIsHit = false;
+      if (theI==inNearestPointIndex) {
+        theIsHit = !theWasHit;
+      }
+      (*inPlotDataSelection)[theI] = theIsHit;
+      }*/
+  }
+}
+
+float PSelectionInteraction::CalculateDistanceToPlot (const PlotDataBase *inXData, const PlotDataBase *inYData, long &outNearestPointIndex) {
+
+//  const RealData *theXData = inXData->GetRealPlotData ();
+//  const RealData *theYData = inYData->GetRealPlotData ();
+  outNearestPointIndex = -1;
+  float theDist = -1;
+  for (int theI=0;theI<inXData->GetSize ();theI++) {
+//    float theX = (*theXData)[theI];
+//    float theY = (*theYData)[theI];
+    float theX = inXData->GetValue (theI);
+    float theY = inYData->GetValue (theI);
+    // transform to pixels
+    theX = mPPlot.mXTrafo->Transform (theX)-mMouseEvent.mX;
+    theY = mPPlot.mYTrafo->Transform (theY)-mMouseEvent.mY;
+
+    float theTmp = theX*theX+theY*theY;
+
+    if (theTmp<theDist||theDist<0) {
+      theDist = theTmp;
+      outNearestPointIndex = theI;
+    }
+  }
+
+  return sqrt (theDist);
+}
+
+
+PlotDataIncrementerBounds::PlotDataIncrementerBounds ():
+  mLowerBoundEnabled (false),
+  mLowerBound (0),
+  mUpperBoundEnabled (false),
+  mUpperBound (0)
+{
+}
+
+bool PlotDataIncrementerBounds::CheckBounds (float inValue) const {
+  if (mLowerBoundEnabled && inValue<mLowerBound) {
+    return false;
+  }
+  if (mUpperBoundEnabled && inValue>mUpperBound) {
+    return false;
+  }
+  return true;
+}
+
+
+bool PlotDataIncrementer::Increment (const vector<float> &inIncrementList, vector<float *> &inData, const PlotDataIncrementerBounds &inGlobalBounds, const vector<PlotDataIncrementerBounds> &inBoundList) const {
+  bool theDontChange = true;
+
+  if (!Impl_Increment (inIncrementList, inData, inGlobalBounds, inBoundList, theDontChange)) {
+    return false;
+  }
+  theDontChange = false;
+  Impl_Increment (inIncrementList, inData, inGlobalBounds, inBoundList, theDontChange);
+  return true;
+}
+
+bool PlotDataIncrementer::Impl_Increment (const vector<float> &inIncrementList, vector<float *> &inData, const PlotDataIncrementerBounds &inGlobalBounds, const vector<PlotDataIncrementerBounds> &inBoundList, bool inDontChange) const {
+
+  if (inBoundList.size ()>0 && inBoundList.size () != inData.size ()) {
+    return false;
+  }
+  if (inIncrementList.size () != inData.size ()) {
+    return false;
+  }
+
+  for (int theI=0;theI<inData.size ();theI++) {
+    float *theValue = inData[theI];
+    float theIncrement = inIncrementList[theI];
+    float theIncrementedValue = *theValue+theIncrement;
+    if (!inGlobalBounds.CheckBounds (theIncrementedValue)) {
+      return false;
+    }
+    if (inBoundList.size ()>0) {
+      if (!inBoundList[theI].CheckBounds (theIncrementedValue)) {
+        return false;
+      }
+    }
+    if (!inDontChange) {
+      *theValue = theIncrementedValue;
+    }
+  }
+  return true;
+}
+
+
+
+PEditInteraction::PEditInteraction (PPlot &inPPlot):
+  PPlotInteraction (inPPlot),
+  mCalculate (false),
+  mListener (0)
+{
+  inPPlot.mModifyingCalculatorList.push_back (this);
+}
+
+bool PEditInteraction::HandleKeyEvent (const PKeyEvent &inEvent) {
+
+  mCalculate = Impl_HandleKeyEvent (inEvent);
+  mKeyEvent = inEvent;
+  return mCalculate;
+};
+
+bool PEditInteraction::Calculate (Painter &inPainter, PPlot& inPPlot) {
+  if (!mCalculate) {
+    return true;
+  }
+
+  Impl_Calculate (inPainter, inPPlot);
+
+  if (mListener) {
+    mListener->HandlePEditInteraction ();
+  }
+  mCalculate = false;
+  return true;
+}
+
+
+
+PVerticalCursorInteraction::PVerticalCursorInteraction (PPlot &inPPlot):
+  PEditInteraction (inPPlot)
+{
+}
+
+bool PVerticalCursorInteraction::Impl_HandleKeyEvent (const PKeyEvent &inEvent) {
+
+  if (inEvent.IsArrowDown () || inEvent.IsArrowUp ()) {
+    return true;
+  }
+  return false;
+};
+
+bool PVerticalCursorInteraction::Impl_Calculate (Painter &inPainter, PPlot& inPPlot) {
+
+  PlotDataContainer &theContainer = inPPlot.mPlotDataContainer;
+  long thePlotCount = theContainer.GetPlotCount ();
+  for (long theI=0;theI<thePlotCount;theI++) {
+    PlotDataBase *theXData = theContainer.GetXData (theI);
+    PlotDataBase *theYData = theContainer.GetYData (theI);
+    DataDrawerBase *theDataDrawer = theContainer.GetDataDrawer (theI);
+    PlotDataSelection *thePlotDataSelection = theContainer.GetPlotDataSelection (theI);
+
+    if (mKeyEvent.IsArrowUp () || mKeyEvent.IsArrowDown () ) {
+      HandleVerticalCursorKey (thePlotDataSelection, theYData);
+    }
+  }
+  return true;
+}
+
+void PVerticalCursorInteraction::HandleVerticalCursorKey (const PlotDataSelection *inPlotDataSelection, PlotDataBase *inYData) {
+  class PlotData *theYData = dynamic_cast<PlotData *>(inYData);
+  if (!theYData) {
+    return;
+  }
+  vector<float> theIncrementList (inPlotDataSelection->GetSelectedCount ());
+  vector<float *> theSelectedData (inPlotDataSelection->GetSelectedCount ());
+  float theDelta = 1;// pixels
+  if (mKeyEvent.IsArrowDown ()) {
+    theDelta *= -1;
+  }
+  if (mKeyEvent.IsOnlyControlKeyDown ()) {
+    theDelta *= 10;
+  }
+  long theIndex = 0;
+  for (int theI=0;theI<theYData->GetSize ();theI++) {
+    if (inPlotDataSelection->IsSelected (theI)) {
+      float *theNow = &((*theYData)[theI]);
+      float theNowPixels = mPPlot.mYTrafo->Transform (*theNow);
+      float theNow2 = mPPlot.mYTrafo->TransformBack (theNowPixels);
+      theNowPixels -= theDelta;
+      float theShiftedNow = mPPlot.mYTrafo->TransformBack (theNowPixels);
+      float theDeltaData = theShiftedNow-*theNow;
+      theIncrementList[theIndex] = theDeltaData;
+      theSelectedData[theIndex] = theNow;
+//      float theNew = theNow + theDelta;
+//      (*theYData)[theI] = theNew;
+      theIndex++;
+    }
+  }
+  PlotDataIncrementer theIncremter;
+  vector<PlotDataIncrementerBounds> theDummyList;
+  theIncremter.Increment (theIncrementList, theSelectedData, mGlobalBounds, theDummyList);
+}
+
+
+PDeleteInteraction::PDeleteInteraction (PPlot &inPPlot):
+  PEditInteraction (inPPlot)
+{
+}
+
+bool PDeleteInteraction::Impl_HandleKeyEvent (const PKeyEvent &inEvent) {
+
+  if (inEvent.IsDelete ()) {
+    return true;
+  }
+  return false;
+};
+
+bool PDeleteInteraction::Impl_Calculate (Painter &inPainter, PPlot& inPPlot) {
+
+  PlotDataContainer &theContainer = inPPlot.mPlotDataContainer;
+  long thePlotCount = theContainer.GetPlotCount ();
+
+  if (!DeleteNotify(-1, 0, NULL, NULL))
+    return true;
+
+  for (long theI=0;theI<thePlotCount;theI++) {
+    PlotDataBase *theXData = theContainer.GetXData (theI);
+    PlotDataBase *theYData = theContainer.GetYData (theI);
+    DataDrawerBase *theDataDrawer = theContainer.GetDataDrawer (theI);
+    PlotDataSelection *thePlotDataSelection = theContainer.GetPlotDataSelection (theI);
+
+    if (mKeyEvent.IsDelete () ) {
+      HandleDeleteKey (theXData, theYData, thePlotDataSelection, theI);
+    }
+  }
+
+  DeleteNotify(-2, 0, NULL, NULL);
+
+  return true;
+}
+
+#ifdef __WATCOMC__
+// M.T. - can't get it, otherwise... (anybody any clue ???)
+typedef vector<int> vectorOfInt;
+
+template<class T> bool Erase (const vectorOfInt &inEraseList, T &ioVec) {
+  vectorOfInt theSortedList = inEraseList;
+  sort (theSortedList.begin (), theSortedList.end ());
+  reverse (theSortedList.begin (), theSortedList.end ());
+// M.T. this is missing in OW:  unique (theSortedList.begin (), theSortedList.end ());// remove duplicates
+  for (vectorOfInt::iterator theI=theSortedList.begin();theI!=theSortedList.end ();theI++) {
+    int theEraseIndex = *theI;
+    //    vector <T> ::iterator theX;
+    //    theX = ioVec[theEraseIndex];
+    //    T *theX = &(ioVec[theEraseIndex]);
+    ioVec.erase (ioVec.begin ()+theEraseIndex);
+  }
+
+  return true;
+}
+
+/*
+
+bool Erase (const vectorOfInt &inEraseList, PlotData &ioVec) {
+  vectorOfInt theSortedList = inEraseList;
+  sort (theSortedList.begin (), theSortedList.end ());
+  reverse (theSortedList.begin (), theSortedList.end ());
+//  unique (theSortedList.begin (), theSortedList.end ());// remove duplicates
+  for (vectorOfInt::iterator theI=theSortedList.begin();theI!=theSortedList.end ();theI++) {
+    int theEraseIndex = *theI;
+    ioVec.erase (ioVec.begin ()+theEraseIndex);
+  }
+
+  return true;
+}
+
+bool Erase (const vectorOfInt &inEraseList, PlotDataSelection &ioVec)
+ {
+  vectorOfInt theSortedList = inEraseList;
+  sort (theSortedList.begin (), theSortedList.end ());
+  reverse (theSortedList.begin (), theSortedList.end ());
+//  unique (theSortedList.begin (), theSortedList.end ());// remove duplicates
+  for (vectorOfInt::iterator theI=theSortedList.begin();theI!=theSortedList.end ();theI++) {
+    int theEraseIndex = *theI;
+    ioVec.erase (ioVec.begin ()+theEraseIndex);
+  }
+
+  return true;
+}
+*/
+#else
+template<class T> bool Erase (const vector<int> &inEraseList, vector <T> &ioVec) {
+  vector<int> theSortedList = inEraseList;
+  sort (theSortedList.begin (), theSortedList.end ());
+  reverse (theSortedList.begin (), theSortedList.end ());
+  unique (theSortedList.begin (), theSortedList.end ());// remove duplicates
+  for (vector<int>::iterator theI=theSortedList.begin();theI!=theSortedList.end ();theI++) {
+    int theEraseIndex = *theI;
+    //    vector <T> ::iterator theX;
+    //    theX = ioVec[theEraseIndex];
+    //    T *theX = &(ioVec[theEraseIndex]);
+    ioVec.erase (ioVec.begin ()+theEraseIndex);
+  }
+
+  return true;
+}
+#endif
+
+void PDeleteInteraction::HandleDeleteKey (PlotDataBase *inXData, PlotDataBase *inYData, PlotDataSelection *inPlotDataSelection, int inIndex) {
+  vector<int> theDeleteList (inPlotDataSelection->GetSelectedCount ());
+  long theIndex = 0;
+  for (int theI=0;theI<inYData->GetSize ();theI++) {
+    if (inPlotDataSelection->IsSelected (theI)) {
+      if (DeleteNotify(inIndex, theI, inXData, inYData))
+      {
+        theDeleteList[theIndex] = theI;
+        theIndex++;
+      }
+    }
+  }
+
+  if (inXData->IsString())
+  {
+    StringPlotData *theXData = (StringPlotData*)(inXData);
+    PlotData *theYData = (PlotData*)(inYData);
+    Erase (theDeleteList, theXData->mRealPlotData);
+    Erase (theDeleteList, theXData->mStringPlotData);
+    Erase (theDeleteList, *theYData);
+    Erase (theDeleteList, *inPlotDataSelection);
+  }
+  else
+  {
+    PlotData *theXData = (PlotData*)(inXData);
+    PlotData *theYData = (PlotData*)(inYData);
+    Erase (theDeleteList, *theXData);
+    Erase (theDeleteList, *theYData);
+    Erase (theDeleteList, *inPlotDataSelection);
+  }
+}
+
+PCrosshairInteraction::PCrosshairInteraction (PPlot &inPPlot):
+  PPlotInteraction (inPPlot),
+  mActive (false),
+  mX (0),
+  mListener (0)
+{
+  inPPlot.mPostDrawerList.push_back (this);
+}
+
+bool PCrosshairInteraction::HandleMouseEvent (const PMouseEvent &inEvent) {
+  if (!mActive) {
+    if (inEvent.IsMouseDown ()) {
+      if (inEvent.IsShiftKeyDown () && inEvent.IsControlKeyDown ()) {
+        mActive = true;
+        mX = inEvent.mX;
+        return true;
+      }
+    }
+  }
+  else {
+    if (inEvent.IsMouseUp ()) {
+      mActive = false;
+      return true;
+    }
+    if (inEvent.IsMouseMove ()) {
+      mX = inEvent.mX;
+      return true;
+    }
+  }
+  return false;  
+}
+
+bool PCrosshairInteraction::Draw (Painter &inPainter) {
+  if (mActive) {
+    float theX1 = mX;
+    float theY1 = mPPlot.mMargins.mTop;
+    float theX2 = mX;
+    float theY2 = inPainter.GetHeight () - mPPlot.mMargins.mBottom;
+
+    inPainter.SetLineColor (0, 0, 0);
+    inPainter.DrawLine (theX1, theY1, theX2, theY2);
+
+    PlotDataContainer &theContainer = mPPlot.mPlotDataContainer;
+    long thePlotCount = theContainer.GetPlotCount ();
+
+    for (long theI=0;theI<thePlotCount;theI++) {
+      PlotDataBase *theXData = theContainer.GetXData (theI);
+      PlotDataBase *theYData = theContainer.GetYData (theI);
+      LegendData *theLegendData = theContainer.GetLegendData (theI);
+
+      float theY;
+      if (GetCrossPoint (theXData, theYData, theY)) {
+        if (mListener) {
+          float theXTarget = mPPlot.mXTrafo->TransformBack (mX);
+          float theYTarget = mPPlot.mYTrafo->TransformBack (theY);
+          mListener->HandleCrosshair (theI, thePlotCount, theXTarget, theYTarget);
+        }
+        theX1 = mPPlot.mMargins.mLeft;
+        theX2 = inPainter.GetWidth ()-mPPlot.mMargins.mLeft;
+        theY1 = theY2 = theY;
+        PColor theC = theLegendData->mColor;
+        inPainter.SetLineColor (theC.mR, theC.mG, theC.mB);
+        inPainter.DrawLine (theX1, theY1, theX2, theY2);
+      }
+    }
+  }
+  return true;
+}
+
+bool PCrosshairInteraction::GetCrossPoint (const PlotDataBase *inXData, const PlotDataBase *inYData, float &outY) {
+  if (inXData->GetSize ()==0 ){
+    return false;
+  }
+  float theXTarget = mPPlot.mXTrafo->TransformBack (mX);
+  bool theFirstIsLess = inXData->GetValue (0) < theXTarget;
+  for (int theI=0;theI<inXData->GetSize ();theI++) {
+    float theX = inXData->GetValue (theI);
+    float theY = inYData->GetValue (theI);
+    bool theCurrentIsLess = theX < theXTarget;
+
+    if (theCurrentIsLess != theFirstIsLess) {
+      outY = mPPlot.mYTrafo->Transform (theY);// transform to pixels
+      return true;
+    }
+  }
+  return false;
+}
+
+
+bool InteractionContainer::HandleMouseEvent (const PMouseEvent &inEvent) {
+  for (int theI=0;theI<mList.size ();theI++) {
+    PPlotInteraction *theInteraction = mList[theI];
+    if (theInteraction->IsEnabled () && theInteraction->HandleMouseEvent (inEvent)) {
+      return true;
+    }
+  }
+  return false;
+}
+
+bool InteractionContainer::HandleKeyEvent (const PKeyEvent &inEvent) {
+  for (int theI=0;theI<mList.size ();theI++) {
+    PPlotInteraction *theInteraction = mList[theI];
+    if (theInteraction->IsEnabled () && theInteraction->HandleKeyEvent (inEvent)) {
+      return true;
+    }
+  }
+  return false;
+}
+
+
+DefaultInteractionContainer::DefaultInteractionContainer (PPlot &inPPlot):
+  mZoomInteraction (inPPlot),
+  mSelectionInteraction (inPPlot),
+  mVerticalCursorInteraction (inPPlot),
+  mDeleteInteraction (inPPlot),
+  mCrosshairInteraction (inPPlot)
+{
+  AddInteraction (mZoomInteraction);
+  AddInteraction (mSelectionInteraction);
+  AddInteraction (mVerticalCursorInteraction);
+  AddInteraction (mDeleteInteraction);
+  AddInteraction (mCrosshairInteraction);
+/*
+  mVerticalCursorInteraction.mGlobalBounds.mLowerBoundEnabled = true;
+  mVerticalCursorInteraction.mGlobalBounds.mLowerBound = 0;
+  mVerticalCursorInteraction.mGlobalBounds.mUpperBoundEnabled = true;
+  mVerticalCursorInteraction.mGlobalBounds.mUpperBound = 10;*/
+}
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