ChartDisplayWidget.cpp

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/*  Copyright (C) 2008 National Institute For Space Research (INPE) - Brazil.

    This file is part of the TerraLib - a Framework for building GIS enabled applications.

    TerraLib is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 3 of the License,
    or (at your option) any later version.

    TerraLib is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    GNU Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with TerraLib. See COPYING. If not, write to
    TerraLib Team at <terralib-team@terralib.org>.
 */

/*!
  \file terralib/qt/widgets/charts/ChartDisplayWidget.cpp

  \brief A dialog used to display a set of charts.
*/

//Terralib
#include "../../../dataaccess.h"
#include "../../../dataaccess/dataset/ObjectIdSet.h"
#include "../../../datatype/Property.h"
#include "ChartDisplay.h"
#include "ChartDisplayWidget.h"
#include "ChartProperties.h"
#include "ChartStyle.h"
#include "Utils.h"
#include "ui_ChartDisplayWidgetForm.h"

//QT
#include <QMessageBox>
#include <QFileDialog>

//QWT
#include <qwt_plot_seriesitem.h>

te::qt::widgets::ChartDisplayWidget::ChartDisplayWidget(QwtPlotSeriesItem* chart, int type, te::qt::widgets::ChartDisplay* display, QWidget* parent,  Qt::WindowFlags f)
  : QWidget(parent, f),
    m_ui(new Ui::ChartDisplayWidgetForm),
    m_chart(chart),
    m_type(type),
    m_display(display)
{
    m_ui->setupUi(this);

  QGridLayout* layout = new QGridLayout(m_ui->m_plotFrame);
  layout->addWidget(m_display);

// connect signal and slots
  m_ui->m_exportToolButton->setIcon(QIcon::fromTheme("document-save"));

  connect(m_ui->m_exportToolButton, SIGNAL(clicked()), this, SLOT(onExportToolButtonnClicked()));
  connect(m_ui->m_settingsToolButton, SIGNAL(clicked()), this, SLOT(onSettingsToolButtonnClicked()));
  connect (m_display, SIGNAL(selected(te::da::ObjectIdSet*, const bool&)), SLOT(selectionChanged(te::da::ObjectIdSet*, const bool&)));
}

te::qt::widgets::ChartDisplayWidget::~ChartDisplayWidget()
{
  delete m_chart;
}

QwtPlotSeriesItem* te::qt::widgets::ChartDisplayWidget::getChart()
{
  return m_chart;
}

void te::qt::widgets::ChartDisplayWidget::setChart(QwtPlotSeriesItem* newChart)
{
  m_chart = newChart;
  m_display->replot();
}

te::qt::widgets::ChartDisplay* te::qt::widgets::ChartDisplayWidget::getDisplay()
{
  return m_display;
}

void te::qt::widgets::ChartDisplayWidget::setDisplay(te::qt::widgets::ChartDisplay* newDisplay)
{
  m_display = newDisplay;

  if(this->parentWidget())
    this->parentWidget()->setWindowTitle(m_display->getStyle()->getTitle());

  m_display->replot();
}

int te::qt::widgets::ChartDisplayWidget::getType()
{
  return m_type;
}

void te::qt::widgets::ChartDisplayWidget::highlightOIds(const te::da::ObjectIdSet* oids, te::da::DataSetType* dataType)
{
  m_display->highlightOIds(oids, dataType);
}

void te::qt::widgets::ChartDisplayWidget::onExportToolButtonnClicked()
{
  const QwtPlotItemList& itmList = m_display->itemList();

  //Iterating over every chart being plotted
  for (QwtPlotItemIterator it = itmList.begin();
    it != itmList.end(); ++it)
  {
    try
    {
      if((m_chart->rtti() != te::qt::widgets::HISTOGRAM_CHART) &&
        (m_chart->rtti() != te::qt::widgets::SCATTER_CHART))
        QMessageBox::warning(this, tr("Chart Display"), tr("This function is not supported on this chart type."));
      else
      {
        QString fileName = QFileDialog::getSaveFileName(nullptr, tr("Export chart..."), QString(), tr("CSV (*.csv *.CSV)"));

        if (!fileName.isEmpty())
        {
          QFileInfo info(fileName);

          if (info.suffix().isEmpty())
            fileName.append(".csv");

          te::qt::widgets::exportChart(*it, m_display->getStyle(), fileName.toStdString());
        }
      }
    }
    catch (te::common::Exception& e)
    {
      QMessageBox::warning(this, tr("Chart Display"), e.what());
    }
    catch (const std::exception& e)
    {
      QMessageBox::warning(this, tr("Chart Display"), e.what());
    }
    catch (...)
    {
      QMessageBox::warning(this, tr("Chart Display"), tr("Unknown error occurred."));
    }
  }
}

void te::qt::widgets::ChartDisplayWidget::onSettingsToolButtonnClicked()
{
    te::qt::widgets::ChartProperties dlg(this, this->parentWidget());
    dlg.exec();
}

void te::qt::widgets::ChartDisplayWidget::selectionChanged(te::da::ObjectIdSet* oids, const bool& add)
{
  emit selected(oids, add);
}

void te::qt::widgets::ChartDisplayWidget::setSelectionColor(QColor selColor)
{
  m_display->setSelectionColor(selColor);
}