HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Commit - r382:e98d5f6bcbb9

Doc update

Marek Rosa -

r382:e98d5f6bcbb9

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r382:e98d5f6bcbb9

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doc/src/examples.qdoc +1 0

                          <li><a href="example-barchart.html">Bar Chart example</a></li>
                          <li><a href="example-linechart.html">Line Chart example</a></li>
                          <li><a href="example-piechart.html">Pie Chart example</a></li>
+                         <li><a href="example-gdpbarchart.html">GDP Chart example</a></li>
                      </ul>
                      </td>
                      </tr>

example/gdpbarchart/widget.cpp +8 -8

                  countrieslist = new QListWidget;
                  countrieslist->setSelectionMode(QAbstractItemView::MultiSelection);
+                 //list of years widget
                  yearslist = new QListWidget;
                  yearslist->setSelectionMode(QAbstractItemView::ExtendedSelection);
                  for (int i = 1990; i < 2011; i++)
              */
              void Widget::refreshChart()
              {
-                 chartArea->removeAllSeries();
+                 chartArea->removeAllSeries();
-                 // selected countries items list is not sorted. copy the values to QStringlist and sort them.
                  QStringList selectedCountriesStrings;
                  selectedCountriesStrings.sort();
                  QSqlQuery query;
-                 // selected years items list is not sorted. copy the values to QList<Integer> and sort them.
+                 // selected years items list is not sorted. copy the values to QList<int> and sort them.
                  QList<int> selectedYearsInts;
                  QList<QListWidgetItem*> selectedYearsItems = yearslist->selectedItems();
                  for (int i = 0; i < selectedYearsItems.size(); i++)
                  qSort(selectedYearsInts.begin(), selectedYearsInts.end(), qGreater<int>());
                  if (barChartRadioButton->isChecked())
+                 {
+                 {
-                     // use the sorted selected coutries list to initialize BarCategory
                      QBarCategory* category = new QBarCategory;
                      for (int i = 0; i < selectedCountriesStrings.size(); i++)
                          *category << selectedCountriesStrings[i];
-                     series0 = new QBarChartSeries(category);
+                     QBarChartSeries* series0 = new QBarChartSeries(category);
                      // prepare the selected counries SQL query
                      QString countriesQuery = "country IN (";
                              {
                                  // data missing, put 0
                                  *barSet << 0.0f;
-                                 qDebug() << "Putting 0 for Bosnia" << " : " << QString("%1").arg(selectedYearsInts[i]);
+                                 qDebug() << "Putting 0 for the missing data" << " : " << QString("%1").arg(selectedYearsInts[i]);
                              }
                          }
                          series0->addBarSet(barSet);
                      }
                      // add the serie to the chart
                      chartArea->addSeries(series0);
                  }
                  else if (scatterChartRadioButton->isChecked())
                  {
                              yearsQuery.append(")");
                      }
-                     // perform a query for each selected year
+                     // perform a query for each selected country
                      for (int i = 0; i < selectedCountriesStrings.size(); i++)
                      {
                          query.exec("SELECT year,gdpvalue FROM gdp2 where country='" + selectedCountriesStrings[i] + "' AND " + yearsQuery);
                              {
                                  // data missing, put 0
                                  *series << QPointF(selectedYearsInts[k] , 0.0f);
-                                 qDebug() << "Putting 0 for Bosnia" << " : " << QString("%1").arg(selectedYearsInts[i]) << " " << query.value(0).toInt();
+                                 qDebug() << "Putting 0 for the missing data" << " : " << QString("%1").arg(selectedYearsInts[i]) << " " << query.value(0).toInt();
                              }
                          }
              //            chartArea->axisX()->setRange(selectedYearsInts[selectedYearsInts.size() - 1] + 1, selectedYearsInts[0] - 1);

example/gdpbarchart/widget.h +1 -1

                  QListWidget* countrieslist;
                  QListWidget* yearslist;
                  QSqlDatabase db;
-                 QBarChartSeries* series0;
+             //    QBarChartSeries* series0;
                  QRadioButton* barChartRadioButton;
                  QRadioButton* scatterChartRadioButton;
              };

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