Fireworks/Core/src/FWDigitSetProxyBuilder.cc - master - githubmirror/cmssw

Fireworks/Core/src/FWDigitSetProxyBuilder.cc
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20 май 2019, 13:07
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// -*- C++ -*-
//
// Package:     Core
// Class  :     FWDigitSetProxyBuilder
//
// Implementation:
//     [Notes on implementation]
//
// Original Author:  Alja Mrak-Tadel
//         Created:  Tue Oct 19 12:00:50 CEST 2010
//

// system include files

// user include files
#include "TEveDigitSet.h"
#include "TEveBoxSet.h"
#include "TEveManager.h"
#include "TEveSelection.h"

#include "Fireworks/Core/interface/FWDigitSetProxyBuilder.h"
#include "Fireworks/Core/interface/FWFromEveSelectorBase.h"
#include "Fireworks/Core/interface/FWDisplayProperties.h"
#include "Fireworks/Core/interface/FWModelId.h"
#include "Fireworks/Core/interface/FWEventItem.h"

class FWSecondarySelectableSelector : public FWFromEveSelectorBase {
public:
  FWSecondarySelectableSelector(const TEveSecondarySelectable::SelectionSet_t& s, const FWEventItem* i)
      : m_selected(s), m_item(i) {}
  ~FWSecondarySelectableSelector() override {}

  void doSelect() override { syncSelection(); }

  void doUnselect() override { syncSelection(); }

  const FWEventItem* item() const { return m_item; }

private:
  const TEveSecondarySelectable::SelectionSet_t& m_selected;
  const FWEventItem* m_item;

  void syncSelection() {
    size_t size = m_item->size();
    for (size_t i = 0; i < size; ++i) {
      FWEventItem::ModelInfo modelInfo = m_item->modelInfo(i);
      TEveSecondarySelectable::SelectionSet_ci si = m_selected.find(i);
      if ((si != m_selected.end()) != modelInfo.isSelected()) {
        if (si != m_selected.end())
          m_item->select(i);
        else
          m_item->unselect(i);
      }
    }
  }
};

//==============================================================================
//==============================================================================
//==============================================================================

FWDigitSetProxyBuilder::FWDigitSetProxyBuilder() : m_boxSet(nullptr) {}

FWDigitSetProxyBuilder::~FWDigitSetProxyBuilder() {}

TString FWDigitSetProxyBuilder::getTooltip(TEveDigitSet* set, int idx) {
  TEveElement* el = static_cast<TEveElement*>(set);  // tmp-workaround
  FWSecondarySelectableSelector* ss = static_cast<FWSecondarySelectableSelector*>(el->GetUserData());
  return TString::Format(
      "%d %s %s", idx, ss->item()->name().c_str(), ss->item()->modelInterestingValueAsString(idx).c_str());
}

TEveBoxSet* FWDigitSetProxyBuilder::addBoxSetToProduct(TEveElementList* product) {
  assert(!product->HasChildren());

  m_boxSet = new TEveBoxSet();
  m_boxSet->SetTooltipCBFoo(getTooltip);
  m_boxSet->Reset(TEveBoxSet::kBT_FreeBox, true, 256);
  FWSecondarySelectableSelector* sel = new FWSecondarySelectableSelector(m_boxSet->RefSelectedSet(), item());
  m_boxSet->SetUserData(sel);
  m_boxSet->SetPickable(true);
  m_boxSet->SetAlwaysSecSelect(true);

  product->AddElement(m_boxSet);

  return m_boxSet;
}

TEveDigitSet* FWDigitSetProxyBuilder::digitSet(TEveElement* product) {
  assert(product->NumChildren() == 1);
  return static_cast<TEveDigitSet*>(*product->BeginChildren());
}

void FWDigitSetProxyBuilder::addBox(TEveBoxSet* boxSet, const float* pnts, const FWDisplayProperties& dp) {
  boxSet->AddBox(pnts);
  boxSet->DigitValue(dp.isVisible());

  if (dp.isVisible())
    boxSet->DigitColor(dp.color(), dp.transparency());

  if (dp.transparency())
    boxSet->SetMainTransparency(dp.transparency());
}

void FWDigitSetProxyBuilder::modelChanges(const FWModelIds& iIds, Product* product) {
  TEveDigitSet* digits = digitSet(product->m_elements);
  if (!digits)
    return;

  TEveSecondarySelectable::SelectionSet_t& selected =
      (TEveSecondarySelectable::SelectionSet_t&)(digits->RefSelectedSet());

  for (std::set<FWModelId>::const_iterator it = iIds.begin(); it != iIds.end(); ++it) {
    const FWEventItem::ModelInfo& info = item()->modelInfo(it->index());

    // id display properties
    const FWDisplayProperties& p = info.displayProperties();
    digits->SetCurrentDigit(it->index());
    digits->DigitValue(p.isVisible());
    if (p.isVisible())
      digits->DigitColor(p.color(), p.transparency());

    // id selection
    TEveSecondarySelectable::SelectionSet_ci si = selected.find(it->index());
    if (info.isSelected()) {
      if (si == selected.end())
        selected.insert(it->index());
    } else {
      if (si != selected.end())
        selected.erase(si);
    }
  }

  if (!selected.empty()) {
    if (0 == digits->GetSelectedLevel()) {
      gEve->GetSelection()->AddElement(digits);
    }
  } else {
    if (1 == digits->GetSelectedLevel() || 2 == digits->GetSelectedLevel()) {
      gEve->GetSelection()->RemoveElement(digits);
    }
  }

  digits->StampObjProps();
}