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::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;
}
}