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1 | 1 | #include <DataSource/DataSourceWidget.h> |
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2 | 2 | |
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3 | 3 | #include <ui_DataSourceWidget.h> |
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4 | 4 | |
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5 | 5 | #include <DataSource/DataSourceItem.h> |
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6 | 6 | #include <DataSource/DataSourceTreeWidgetItem.h> |
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7 | 7 | |
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8 | 8 | #include <QMenu> |
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9 | 9 | |
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10 | 10 | namespace { |
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11 | 11 | |
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12 | 12 | /// Number of columns displayed in the tree |
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13 | 13 | const auto TREE_NB_COLUMNS = 1; |
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14 | 14 | |
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15 | 15 | /// Header labels for the tree |
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16 | 16 | const auto TREE_HEADER_LABELS = QStringList{QObject::tr("Name")}; |
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17 | 17 | |
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18 | 18 | /** |
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19 | 19 | * Creates the item associated to a data source |
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20 | 20 | * @param dataSource the data source for which to create the item |
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21 | 21 | * @return the new item |
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22 | 22 | */ |
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23 | 23 | DataSourceTreeWidgetItem *createTreeWidgetItem(DataSourceItem *dataSource) |
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24 | 24 | { |
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25 | 25 | // Creates item for the data source |
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26 | 26 | auto item = new DataSourceTreeWidgetItem{dataSource}; |
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27 | 27 | |
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28 | 28 | // Generates items for the children of the data source |
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29 | 29 | for (auto i = 0; i < dataSource->childCount(); ++i) { |
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30 | 30 | item->addChild(createTreeWidgetItem(dataSource->child(i))); |
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31 | 31 | } |
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32 | 32 | |
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33 | 33 | return item; |
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34 | 34 | } |
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35 | 35 | |
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36 | 36 | } // namespace |
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37 | 37 | |
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38 | 38 | DataSourceWidget::DataSourceWidget(QWidget *parent) : QWidget{parent}, ui{new Ui::DataSourceWidget} |
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39 | 39 | { |
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40 | 40 | ui->setupUi(this); |
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41 | 41 | |
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42 | 42 | // Set tree properties |
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43 | 43 | ui->treeWidget->setColumnCount(TREE_NB_COLUMNS); |
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44 | 44 | ui->treeWidget->setHeaderLabels(TREE_HEADER_LABELS); |
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45 | 45 | ui->treeWidget->setContextMenuPolicy(Qt::CustomContextMenu); |
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46 | 46 | |
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47 | 47 | // Connection to show a menu when right clicking on the tree |
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48 | 48 | connect(ui->treeWidget, &QTreeWidget::customContextMenuRequested, this, |
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49 | 49 | &DataSourceWidget::onTreeMenuRequested); |
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50 | 50 | } |
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51 | 51 | |
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52 | DataSourceWidget::~DataSourceWidget() noexcept | |
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53 | { | |
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54 | delete ui; | |
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55 | } | |
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56 | ||
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52 | 57 | void DataSourceWidget::addDataSource(DataSourceItem *dataSource) noexcept |
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53 | 58 | { |
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54 | 59 | // Creates the item associated to the source and adds it to the tree widget. The tree widget |
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55 | 60 | // takes the ownership of the item |
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56 | 61 | if (dataSource) { |
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57 | 62 | ui->treeWidget->addTopLevelItem(createTreeWidgetItem(dataSource)); |
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58 | 63 | } |
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59 | 64 | } |
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60 | 65 | |
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61 | 66 | void DataSourceWidget::onTreeMenuRequested(const QPoint &pos) noexcept |
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62 | 67 | { |
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63 | 68 | // Retrieves the selected item in the tree, and build the menu from its actions |
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64 | 69 | if (auto selectedItem = dynamic_cast<DataSourceTreeWidgetItem *>(ui->treeWidget->itemAt(pos))) { |
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65 | 70 | QMenu treeMenu{}; |
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66 | 71 | treeMenu.addActions(selectedItem->actions()); |
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67 | 72 | |
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68 | 73 | if (!treeMenu.isEmpty()) { |
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69 | 74 | treeMenu.exec(mapToGlobal(pos)); |
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70 | 75 | } |
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71 | 76 | } |
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72 | 77 | } |
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