selectionscene.cpp

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//=============================================================================================================
//=============================================================================================================
// INCLUDES
//=============================================================================================================
 
#include "selectionscene.h"
#include "selectionsceneitem.h"
 
#include <fiff/fiff_types.h>
 
//=============================================================================================================
// QT INCLUDES
//=============================================================================================================
 
#include <QGraphicsScene>
#include <QWidget>
#include <QMutableListIterator>
 
//=============================================================================================================
// EIGEN INCLUDES
//=============================================================================================================
 
//=============================================================================================================
// USED NAMESPACES
//=============================================================================================================
 
using namespace DISPLIB;
 
//=============================================================================================================
// DEFINE MEMBER METHODS
//=============================================================================================================
 
SelectionScene::SelectionScene(QGraphicsView* view, QObject* parent)
: LayoutScene(view, parent)
, m_iChannelTypeMode(FIFFV_MEG_CH)
{
}
 
//=============================================================================================================
 
void SelectionScene::repaintItems(const QMap<QString,QPointF> &layoutMap, QStringList badChannels)
{
    this->clear();
 
    QMapIterator<QString,QPointF > i(layoutMap);
    while (i.hasNext()) {
        i.next();
        SelectionSceneItem* SelectionSceneItemTemp;
 
        if(i.key().contains("EEG"))
            SelectionSceneItemTemp = new SelectionSceneItem(i.key(),
                                                              0,
                                                              i.value(),
                                                              FIFFV_EEG_CH,
                                                              FIFF_UNIT_T_M,
                                                              Qt::blue,
                                                              badChannels.contains(i.key()));
        else
            SelectionSceneItemTemp = new SelectionSceneItem(i.key(),
                                                              0,
                                                              i.value(),
                                                              FIFFV_MEG_CH,
                                                              FIFF_UNIT_T_M,
                                                              Qt::blue,
                                                              badChannels.contains(i.key()));
 
        this->addItem(SelectionSceneItemTemp);
    }
}
 
//=============================================================================================================
 
void SelectionScene::hideItems(QStringList visibleItems)
{
    //Hide all items which names are in the the string list visibleItems. All other items' opacity is set to 0.25 an dthey are no longer selectable.
    QList<QGraphicsItem *> itemList = this->items();
 
    for(int i = 0; i<itemList.size(); i++) {
        SelectionSceneItem* item = static_cast<SelectionSceneItem*>(itemList.at(i));
 
        if(item->m_iChannelKind == m_iChannelTypeMode) {
            item->show();
 
            if(!visibleItems.contains(item->m_sChannelName)) {
                item->setFlag(QGraphicsItem::ItemIsSelectable, false);
                item->setOpacity(0.25);
            }
            else {
                item->setFlag(QGraphicsItem::ItemIsSelectable, true);
                item->setOpacity(1);
            }
        }
        else
            item->hide();
    }
}