WWidget *FormWidgets::wComboBox()
{
WContainerWidget *result = new WContainerWidget();
topic("WComboBox", result);
addText(tr("formwidgets-WComboBox"), result);
WComboBox *cb = new WComboBox(result);
cb->addItem("Heavy");
cb->addItem("Medium");
cb->addItem("Light");
cb->setCurrentIndex(1); // select 'Medium'
ed_->showSignal(cb->sactivated(), "Combo-box 1 activated: ");
addText(tr("formwidgets-WComboBox-model"), result);
addText(tr("formwidgets-WComboBox-style"), result);
WComboBox *colorCb = new WComboBox(result);
WStandardItemModel* model = new WStandardItemModel(colorCb);
model->insertColumns(0, 3);
addColorElement(model, "Red", "combo-red");
addColorElement(model, "Blue", "combo-blue");
addColorElement(model, "Green", "combo-green");
colorCb->setModel(model);
colorCb->setCurrentIndex(0); // select 'Red'
ed_->showSignal(colorCb->sactivated(), "Combo-box 2 activated: ");
return result;
}
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
}