TabBar.cpp

#include "TabBar.h"

#include <cstddef>
#include <iostream>

#include <QVector>

#include "Tab.h"

using std::cerr;


namespace Isis
{
  TabBar::TabBar()
  {
    tabs = NULL;

    tabs = new QVector< Tab * > ();
    radioStyleTabs = false;
  }


  TabBar::~TabBar()
  {
    if (tabs)
    {
      delete tabs;
      tabs = NULL;
    }
  }


  void TabBar::addTab(Tab * newTab)
  {
    const int & tabCountBeforeAddition = tabs->size();
    newTab->setPosition(tabCountBeforeAddition);
    connect(newTab, SIGNAL(clicked(const int &)), this,
        SLOT(tabClicked(const int &)));
    tabs->push_back(newTab);

    newTab->setSelected(false);
    addAction(newTab);
  }


  void TabBar::setRadioStyle(const bool & radioStyle)
  {
    radioStyleTabs = radioStyle;
  }


  bool TabBar::radioStyle()
  {
    return radioStyleTabs;
  }


  int TabBar::size() const
  {
    return tabs->size();
  }


  void TabBar::setSelected(const int & index, const bool & status)
  {
    if (index >= 0 && index < tabs->size())
      (*tabs)[index]->setSelected(status);
  }


  bool TabBar::isSelected(const int &index)
  {
    if (index >= 0 && index < tabs->size() && (*tabs)[index]->isSelected())
      return true;

    return false;
  }


  bool TabBar::noneSelected()
  {
    for (int i = 0; i < tabs->size(); i++)
      if ((*tabs)[i]->isSelected())
        return false;

    return true;
  }


  void TabBar::setEnabled(bool newEnabledStatus)
  {
    QToolBar::setEnabled(newEnabledStatus);

    for (int i = 0; i < size(); i++)
      (*tabs)[i]->setEnabled(newEnabledStatus);
  }


  void TabBar::tabClicked(const int & index)
  {
    if (!radioStyleTabs || noOthersInGrpSelected(index))
    {
      (*tabs)[index]->setSelected(!(*tabs)[index]->isSelected());
    }
    else
    {
      deselectOthersInGrp(index);
      (*tabs)[index]->setSelected(true);
    }
  }


  bool TabBar::noOthersInGrpSelected(const int & index) const
  {
    const int & thisGrp = tabs->at(index)->getRadioGroup();
    for (int i = 0; i < tabs->size(); i++)
    {
      if (index != i)
      {
        const int & otherGrp = tabs->at(i)->getRadioGroup();
        if (otherGrp == thisGrp && tabs->at(i)->isSelected())
          return false;
      }
    }
    return true;
  }


  void TabBar::deselectOthersInGrp(const int & index)
  {
    const int & thisGrp = tabs->at(index)->getRadioGroup();
    for (int i = 0; i < tabs->size(); i++)
    {
      if (index != i)
      {
        const int & otherGrp = tabs->at(i)->getRadioGroup();
        if (otherGrp == thisGrp)
          (*tabs)[i]->setSelected(false);
      }
    }
  }
}