datasets_viewer.cpp

Go to the documentation of this file.

//--------------------------------------------------
//---------------------------------------------------
#include <iostream>


#include "datasets_viewer.h"
#include "dataset_item.h"

#include <QMenu>
#include <QMainWindow>
#include <QContextMenuEvent>

namespace imedgine 
{

  DatasetsViewer::DatasetsViewer(QWidget* parent)
  : QListWidget(parent)
  {
    //std::cout << "DatasetsViewer constructed" << std::endl;
    
    close_dataset_action_ = new QAction(QIcon(":icons/document-close.png"),
      tr("Close Dataset"),this);
    save_dataset_action_ = new QAction(QIcon(":icons/document-save.png"),
      tr("&Save Dataset"), this);
    save_as_dataset_action_ = new QAction(QIcon(":icons/document-save-as.png"),
      tr("S&ave Dataset as"), this);
    
    connect(this, SIGNAL(itemDoubleClicked(QListWidgetItem*)),
            this, SLOT(doubleClicked(QListWidgetItem*)));
    connect(close_dataset_action_,SIGNAL(triggered()),
            this, SLOT(closeDataset()));
    connect(save_dataset_action_, SIGNAL(triggered()),
            this, SLOT(saveDataset()));
    connect(save_as_dataset_action_, SIGNAL(triggered()),
            this, SLOT(saveAsDataset()));
  }

  DatasetsViewer::~DatasetsViewer()
  {
  }
  
  void DatasetsViewer::addDataset(dataset_key_type const& dataset)
  {
    //std::cout << "addDataset received" << std::endl;
    
    loaded_datasets_.push_back(dataset);
    
    DatasetItem* dataset_item = new DatasetItem(QString(dataset.c_str()));
    
    addItem(dataset_item);  
  }
  
  void DatasetsViewer::doubleClicked(QListWidgetItem* dataset)
  {
    emit datasetDoubleClicked(dataset->text().toStdString());
  }
  
  void DatasetsViewer::contextMenuEvent( QContextMenuEvent* context_menu_event )
  {
    std::cout << "context menu requested" << std::endl;
    if(loaded_datasets_.size() > 0  && selectedItems().size() != 0)
    {
      QMenu menu(this);
      menu.addAction(close_dataset_action_);
      menu.addAction(save_dataset_action_);
      menu.addAction(save_as_dataset_action_);
      menu.exec(context_menu_event->globalPos());
      
    }
    
  }
  
  void DatasetsViewer::closeDataset()
  {
    
    QListWidgetItem* temp_item = takeItem(row(selectedItems().at(0)));
    emit closeDatasetSignal(temp_item->text().toStdString());
    delete temp_item;
  }

  void DatasetsViewer::saveDataset()
  {
    
    QListWidgetItem* temp_item = item(row(selectedItems().at(0)));
    emit saveDatasetSignal(temp_item->text().toStdString());
    //delete temp_item;
  }

  void DatasetsViewer::saveAsDataset()
  {
    
    QListWidgetItem* temp_item = item(row(selectedItems().at(0)));
    emit saveAsDatasetSignal(temp_item->text().toStdString());
    //delete temp_item;
  }
}

---