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