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#include <DataSource/DataSourceItem.h>
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#include <DataSource/DataSourceItemAction.h>
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#include <DataSource/DataSourceTreeWidgetItem.h>
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#include <QAction>
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Q_LOGGING_CATEGORY(LOG_DataSourceTreeWidgetItem, "DataSourceTreeWidgetItem")
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namespace {
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// Column indexes
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const auto NAME_COLUMN = 0;
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/**
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* Generates the full name of an item.
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*
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* The full name of an item is its name possibly suffixed by the name of its plugin, in case there
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* are items of the same name in its relatives
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* @param item the item for which to generate the complete name
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* @return the complete name of the item
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*/
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QString completeName(const DataSourceItem &item)
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{
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auto name = item.name();
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if (item.type() == DataSourceItemType::NODE) {
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return name;
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}
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auto parentItem = item.parentItem();
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if (!parentItem) {
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return name;
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}
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// Finds in item's relatives items that have the same name
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bool foundSameName = false;
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for (auto i = 0, count = parentItem->childCount(); i < count && !foundSameName; ++i) {
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auto child = parentItem->child(i);
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foundSameName = child != &item
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&& QString::compare(child->name(), item.name(), Qt::CaseInsensitive) == 0;
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}
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// If the name of the item is not unique, it is completed by the plugin suffix
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return foundSameName
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? QString{"%1 (%2)"}.arg(name, item.data(DataSourceItem::PLUGIN_DATA_KEY).toString())
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: name;
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}
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QIcon itemIcon(const DataSourceItem *dataSource)
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{
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if (dataSource) {
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auto dataSourceType = dataSource->type();
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switch (dataSourceType) {
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case DataSourceItemType::NODE: {
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return dataSource->isRoot() ? QIcon{":/icones/dataSourceRoot.png"}
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: QIcon{":/icones/dataSourceNode.png"};
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}
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case DataSourceItemType::PRODUCT:
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return QIcon{":/icones/dataSourceProduct.png"};
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case DataSourceItemType::COMPONENT:
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return QIcon{":/icones/dataSourceComponent.png"};
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default:
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// No action
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break;
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}
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qCWarning(LOG_DataSourceTreeWidgetItem())
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<< QObject::tr("Can't set data source icon : unknown data source type");
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}
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else {
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qCCritical(LOG_DataSourceTreeWidgetItem())
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<< QObject::tr("Can't set data source icon : the data source is null");
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}
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// Default cases
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return QIcon{};
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}
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/// @return the tooltip text for a variant. The text depends on whether the data is a simple variant
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/// or a list of variants
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QString tooltipValue(const QVariant &variant) noexcept
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{
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// If the variant is a list of variants, the text of the tooltip is of the form: {val1, val2,
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// ...}
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if (variant.canConvert<QVariantList>()) {
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auto valueString = QStringLiteral("{");
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auto variantList = variant.value<QVariantList>();
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for (auto it = variantList.cbegin(), end = variantList.cend(); it != end; ++it) {
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valueString.append(it->toString());
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if (std::distance(it, end) != 1) {
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valueString.append(", ");
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}
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}
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valueString.append(QStringLiteral("}"));
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return valueString;
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}
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else {
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return variant.toString();
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}
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}
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QString itemTooltip(const DataSourceItem *dataSource) noexcept
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{
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// The tooltip displays all item's data
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if (dataSource) {
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auto result = QString{};
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const auto &data = dataSource->data();
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for (auto it = data.cbegin(), end = data.cend(); it != end; ++it) {
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result.append(QString{"<b>%1:</b> %2<br/>"}.arg(it.key(), tooltipValue(it.value())));
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}
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return result;
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}
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else {
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qCCritical(LOG_DataSourceTreeWidgetItem())
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<< QObject::tr("Can't set data source tooltip : the data source is null");
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return QString{};
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}
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}
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} // namespace
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struct DataSourceTreeWidgetItem::DataSourceTreeWidgetItemPrivate {
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explicit DataSourceTreeWidgetItemPrivate(const DataSourceItem *data)
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: m_Data{data}, m_Name{completeName(*m_Data)}
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{
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}
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/// Model used to retrieve data source information
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const DataSourceItem *m_Data;
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/// Name displayed
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QString m_Name;
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/// Actions associated to the item. The parent of the item (QTreeWidget) takes the ownership of
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/// the actions
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QList<QAction *> m_Actions; //TODO check if no memory leak here
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};
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DataSourceTreeWidgetItem::DataSourceTreeWidgetItem(const DataSourceItem *data, int type)
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: DataSourceTreeWidgetItem{nullptr, data, type}
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{
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}
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DataSourceTreeWidgetItem::DataSourceTreeWidgetItem(QTreeWidget *parent, const DataSourceItem *data,
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int type)
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: QTreeWidgetItem{parent, type},
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impl{spimpl::make_unique_impl<DataSourceTreeWidgetItemPrivate>(data)}
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{
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// Sets the icon and the tooltip depending on the data source
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setIcon(0, itemIcon(impl->m_Data));
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setToolTip(0, itemTooltip(impl->m_Data));
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// Generates tree actions based on the item actions
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auto createTreeAction = [this, &parent](const auto &itemAction) {
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auto treeAction = new QAction{itemAction->name(), parent};
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// Executes item action when tree action is triggered
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QObject::connect(treeAction, &QAction::triggered, itemAction,
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&DataSourceItemAction::execute);
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return treeAction;
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};
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auto itemActions = impl->m_Data->actions();
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std::transform(std::cbegin(itemActions), std::cend(itemActions),
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std::back_inserter(impl->m_Actions), createTreeAction);
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// Sets the flags of the items
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auto flags = Qt::ItemIsSelectable | Qt::ItemIsEnabled;
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if (data->type() == DataSourceItemType::COMPONENT
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|| data->type() == DataSourceItemType::PRODUCT) {
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flags |= Qt::ItemIsDragEnabled;
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}
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setFlags(flags);
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}
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const DataSourceItem *DataSourceTreeWidgetItem::data() const
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{
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return impl->m_Data;
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}
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QVariant DataSourceTreeWidgetItem::data(int column, int role) const
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{
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if (role == Qt::DisplayRole) {
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if (impl->m_Data) {
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switch (column) {
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case NAME_COLUMN:
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return impl->m_Name;
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default:
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// No action
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break;
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}
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qCWarning(LOG_DataSourceTreeWidgetItem())
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<< QObject::tr("Can't get data (unknown column %1)").arg(column);
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}
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else {
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qCCritical(LOG_DataSourceTreeWidgetItem()) << QObject::tr("Can't get data (null item)");
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}
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return QVariant{};
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}
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else {
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return QTreeWidgetItem::data(column, role);
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}
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}
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void DataSourceTreeWidgetItem::setData(int column, int role, const QVariant &value)
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{
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// Data can't be changed by edition
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if (role != Qt::EditRole) {
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QTreeWidgetItem::setData(column, role, value);
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}
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}
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QList<QAction *> DataSourceTreeWidgetItem::actions() const noexcept
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{
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return impl->m_Actions;
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}
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