Esempio n. 1
0
ScatterPlotExample::ScatterPlotExample(WContainerWidget *parent):
  WContainerWidget(parent)
{
  new WText(WString::tr("scatter plot 2"), this);

  WStandardItemModel *model = new WStandardItemModel(40, 2, this);
  model->setItemPrototype(new NumericItem());
  model->setHeaderData(0, WString("X"));
  model->setHeaderData(1, WString("Y = sin(X)"));

  for (unsigned i = 0; i < 40; ++i) {
    double x = (static_cast<double>(i) - 20) / 4;

    model->setData(i, 0, x);
    model->setData(i, 1, sin(x));
  }
 
  /*
   * Create the scatter plot.
   */
  WCartesianChart *chart = new WCartesianChart(this);
  chart->setModel(model);        // set the model
  chart->setXSeriesColumn(0);    // set the column that holds the X data
  chart->setLegendEnabled(true); // enable the legend

  chart->setType(ScatterPlot);   // set type to ScatterPlot

  // Typically, for mathematical functions, you want the axes to cross
  // at the 0 mark:
  chart->axis(XAxis).setLocation(ZeroValue);
  chart->axis(YAxis).setLocation(ZeroValue);

  // Automatically layout chart (space for axes, legend, ...)
  chart->setAutoLayoutEnabled();

  // Add the curves
  WDataSeries s(1, CurveSeries);
  s.setShadow(WShadow(3, 3, WColor(0, 0, 0, 127), 3));
  chart->addSeries(s);

  chart->resize(800, 300); // WPaintedWidget must be given explicit size

  chart->setMargin(10, Top | Bottom);            // add margin vertically
  chart->setMargin(WLength::Auto, Left | Right); // center horizontally

  ChartConfig *config = new ChartConfig(chart, this);
  config->setValueFill(ZeroValueFill);
}
Esempio n. 2
0
PieExample::PieExample(WContainerWidget *parent):
  WContainerWidget(parent)
{
  new WText(WString::tr("pie chart"), this);

  WStandardItemModel *model = new WStandardItemModel(this);
  model->setItemPrototype(new NumericItem());
  
  //headers
  model->insertColumns(model->columnCount(), 2);
  model->setHeaderData(0, WString("Item"));
  model->setHeaderData(1, WString("Sales"));

  //data
  model->insertRows(model->rowCount(), 6);
  int row = 0;
  model->setData(row, 0, WString("Blueberry"));
  model->setData(row, 1, 120);
  // model->setData(row, 1, WString("Blueberry"), ToolTipRole);
  row++;
  model->setData(row, 0, WString("Cherry"));
  model->setData(row, 1, 30);
  row++;
  model->setData(row, 0, WString("Apple"));
  model->setData(row, 1, 260);
  row++;
  model->setData(row, 0, WString("Boston Cream"));
  model->setData(row, 1, 160);
  row++;
  model->setData(row, 0, WString("Other"));
  model->setData(row, 1, 40);
  row++;
  model->setData(row, 0, WString("Vanilla Cream"));
  model->setData(row, 1, 120);
  row++;

  //set all items to be editable and selectable
  for (int row = 0; row < model->rowCount(); ++row)
    for (int col = 0; col < model->columnCount(); ++col)
      model->item(row, col)->setFlags(ItemIsSelectable | ItemIsEditable);

  WContainerWidget *w = new WContainerWidget(this);
  WTableView* table = new WTableView(w);

  table->setMargin(10, Top | Bottom);
  table->setMargin(WLength::Auto, Left | Right);
  table->setSortingEnabled(true);
  table->setModel(model);
  table->setColumnWidth(1, 100);
  table->setRowHeight(22);

  if (WApplication::instance()->environment().ajax()) {
    table->resize(150 + 100 + 14, 20 + 6 * 22);
    table->setEditTriggers(WAbstractItemView::SingleClicked);
  } else {
    table->resize(150 + 100 + 14, WLength::Auto);
    table->setEditTriggers(WAbstractItemView::NoEditTrigger);    
  }

  /*
   * Create the pie chart.
   */
  WPieChart *chart = new WPieChart(this);
  chart->setModel(model);       // set the model
  chart->setLabelsColumn(0);    // set the column that holds the labels
  chart->setDataColumn(1);      // set the column that holds the data

  // configure location and type of labels
  chart->setDisplayLabels(Outside | TextLabel | TextPercentage);

  // enable a 3D and shadow effect
  chart->setPerspectiveEnabled(true, 0.2);
  chart->setShadowEnabled(true);

  // explode the first item
  chart->setExplode(0, 0.3);

  chart->resize(800, 300); // WPaintedWidget must be given an explicit size

  chart->setMargin(10, Top | Bottom);            // add margin vertically
  chart->setMargin(WLength::Auto, Left | Right); // center horizontally
}