DataSourceWidget.cpp
72 lines
| 2.2 KiB
| text/x-c
|
CppLexer
Alexandre Leroux
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r82 | #include <DataSource/DataSourceWidget.h> | ||
| #include <ui_DataSourceWidget.h> | ||||
| #include <DataSource/DataSourceItem.h> | ||||
| #include <DataSource/DataSourceTreeWidgetItem.h> | ||||
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Alexandre Leroux
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r143 | #include <QMenu> | ||
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Alexandre Leroux
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r82 | namespace { | ||
| /// Number of columns displayed in the tree | ||||
| const auto TREE_NB_COLUMNS = 1; | ||||
| /// Header labels for the tree | ||||
| const auto TREE_HEADER_LABELS = QStringList{QObject::tr("Name")}; | ||||
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Alexandre Leroux
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r83 | /** | ||
| * Creates the item associated to a data source | ||||
| * @param dataSource the data source for which to create the item | ||||
| * @return the new item | ||||
| */ | ||||
| DataSourceTreeWidgetItem *createTreeWidgetItem(DataSourceItem *dataSource) | ||||
| { | ||||
| // Creates item for the data source | ||||
| auto item = new DataSourceTreeWidgetItem{dataSource}; | ||||
| // Generates items for the children of the data source | ||||
| for (auto i = 0; i < dataSource->childCount(); ++i) { | ||||
| item->addChild(createTreeWidgetItem(dataSource->child(i))); | ||||
| } | ||||
| return item; | ||||
| } | ||||
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Alexandre Leroux
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r82 | } // namespace | ||
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r109 | DataSourceWidget::DataSourceWidget(QWidget *parent) : QWidget{parent}, ui{new Ui::DataSourceWidget} | ||
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r82 | { | ||
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r109 | ui->setupUi(this); | ||
| // Set tree properties | ||||
| ui->treeWidget->setColumnCount(TREE_NB_COLUMNS); | ||||
| ui->treeWidget->setHeaderLabels(TREE_HEADER_LABELS); | ||||
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Alexandre Leroux
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r143 | ui->treeWidget->setContextMenuPolicy(Qt::CustomContextMenu); | ||
| // Connection to show a menu when right clicking on the tree | ||||
| connect(ui->treeWidget, &QTreeWidget::customContextMenuRequested, this, | ||||
| &DataSourceWidget::onTreeMenuRequested); | ||||
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Alexandre Leroux
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r82 | } | ||
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r83 | |||
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r92 | void DataSourceWidget::addDataSource(DataSourceItem *dataSource) noexcept | ||
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Alexandre Leroux
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r83 | { | ||
| // Creates the item associated to the source and adds it to the tree widget. The tree widget | ||||
| // takes the ownership of the item | ||||
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Alexandre Leroux
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r92 | if (dataSource) { | ||
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Alexandre Leroux
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r109 | ui->treeWidget->addTopLevelItem(createTreeWidgetItem(dataSource)); | ||
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Alexandre Leroux
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r92 | } | ||
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Alexandre Leroux
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r83 | } | ||
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Alexandre Leroux
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r143 | |||
| void DataSourceWidget::onTreeMenuRequested(const QPoint &pos) noexcept | ||||
| { | ||||
| // Retrieves the selected item in the tree, and build the menu from its actions | ||||
| if (auto selectedItem = dynamic_cast<DataSourceTreeWidgetItem *>(ui->treeWidget->itemAt(pos))) { | ||||
| QMenu treeMenu{}; | ||||
| treeMenu.addActions(selectedItem->actions()); | ||||
| if (!treeMenu.isEmpty()) { | ||||
| treeMenu.exec(mapToGlobal(pos)); | ||||
| } | ||||
| } | ||||
| } | ||||