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Implementation of the cache feature : download before display needs
Implementation of the cache feature : download before display needs
Alexandre Leroux - - Load All Authors

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r346:4b46cbe03729
r433:a2e6652524d1
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DataSourceTreeWidgetItem.cpp
171 lines | 5.3 KiB | text/x-c | CppLexer
/ gui / src / DataSource / DataSourceTreeWidgetItem.cpp
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Alexandre Leroux
Defines the QTreeWidgetItem for a data source item
 r80 #include <DataSource/DataSourceItem.h>
Alexandre Leroux
Generates tree actions based on the item actions
 r145 #include <DataSource/DataSourceItemAction.h>
Alexandre Leroux
Defines the QTreeWidgetItem for a data source item
 r80 #include <DataSource/DataSourceTreeWidgetItem.h>
Alexandre Leroux
Adds actions for items in the DataSourceWidget...
 r142 #include <QAction>
Alexandre Leroux
Defines the QTreeWidgetItem for a data source item
 r80 Q_LOGGING_CATEGORY(LOG_DataSourceTreeWidgetItem, "DataSourceTreeWidgetItem")
Alexandre Leroux
Handles the icon of a DataSourceTreeWidgetItem (depending of the type of the data source item)
 r81 namespace {
Alexandre Leroux
Updates references to DataSourceItem after changes
 r343 // Column indexes
const auto NAME_COLUMN = 0;
Alexandre Leroux
Handles the icon of a DataSourceTreeWidgetItem (depending of the type of the data source item)
 r81 QIcon itemIcon(const DataSourceItem *dataSource)
{
if (dataSource) {
auto dataSourceType = dataSource->type();
switch (dataSourceType) {
Alexandre Leroux
Changes data source item icons (2)...
 r345 case DataSourceItemType::NODE: {
return dataSource->isRoot() ? QIcon{":/icones/dataSourceRoot.png"}
: QIcon{":/icones/dataSourceNode.png"};
}
Alexandre Leroux
Handles the icon of a DataSourceTreeWidgetItem (depending of the type of the data source item)
 r81 case DataSourceItemType::PRODUCT:
Alexandre Leroux
Changes data source item icons (1)...
 r344 return QIcon{":/icones/dataSourceProduct.png"};
case DataSourceItemType::COMPONENT:
return QIcon{":/icones/dataSourceComponent.png"};
Alexandre Leroux
Handles the icon of a DataSourceTreeWidgetItem (depending of the type of the data source item)
 r81 default:
// No action
break;
}
Alexandre Leroux
Add warnings if the icon of a data source can't be set
 r93
qCWarning(LOG_DataSourceTreeWidgetItem())
<< QObject::tr("Can't set data source icon : unknown data source type");
}
else {
Alexandre Leroux
Changes data source item icons (2)...
 r345 qCCritical(LOG_DataSourceTreeWidgetItem())
Alexandre Leroux
Add warnings if the icon of a data source can't be set
 r93 << QObject::tr("Can't set data source icon : the data source is null");
Alexandre Leroux
Handles the icon of a DataSourceTreeWidgetItem (depending of the type of the data source item)
 r81 }
// Default cases
return QIcon{};
}
Alexandre Leroux
Handles tooltip for a data source item
 r346 /// @return the tooltip text for a variant. The text depends on whether the data is a simple variant
/// or a list of variants
QString tooltipValue(const QVariant &variant) noexcept
{
// If the variant is a list of variants, the text of the tooltip is of the form: {val1, val2,
// ...}
if (variant.canConvert<QVariantList>()) {
auto valueString = QStringLiteral("{");
auto variantList = variant.value<QVariantList>();
for (auto it = variantList.cbegin(), end = variantList.cend(); it != end; ++it) {
valueString.append(it->toString());
if (std::distance(it, end) != 1) {
valueString.append(", ");
}
}
valueString.append(QStringLiteral("}"));
return valueString;
}
else {
return variant.toString();
}
}
QString itemTooltip(const DataSourceItem *dataSource) noexcept
{
// The tooltip displays all item's data
if (dataSource) {
auto result = QString{};
const auto &data = dataSource->data();
for (auto it = data.cbegin(), end = data.cend(); it != end; ++it) {
result.append(QString{"<b>%1:</b> %2<br/>"}.arg(it.key(), tooltipValue(it.value())));
}
return result;
}
else {
qCCritical(LOG_DataSourceTreeWidgetItem())
<< QObject::tr("Can't set data source tooltip : the data source is null");
return QString{};
}
}
Alexandre Leroux
Handles the icon of a DataSourceTreeWidgetItem (depending of the type of the data source item)
 r81 } // namespace
Alexandre Leroux
Defines the QTreeWidgetItem for a data source item
 r80 struct DataSourceTreeWidgetItem::DataSourceTreeWidgetItemPrivate {
explicit DataSourceTreeWidgetItemPrivate(const DataSourceItem *data) : m_Data{data} {}
/// Model used to retrieve data source information
const DataSourceItem *m_Data;
Alexandre Leroux
Adds actions for items in the DataSourceWidget...
 r142 /// Actions associated to the item. The parent of the item (QTreeWidget) takes the ownership of
/// the actions
QList<QAction *> m_Actions;
Alexandre Leroux
Defines the QTreeWidgetItem for a data source item
 r80 };
DataSourceTreeWidgetItem::DataSourceTreeWidgetItem(const DataSourceItem *data, int type)
: DataSourceTreeWidgetItem{nullptr, data, type}
{
}
DataSourceTreeWidgetItem::DataSourceTreeWidgetItem(QTreeWidget *parent, const DataSourceItem *data,
int type)
: QTreeWidgetItem{parent, type},
impl{spimpl::make_unique_impl<DataSourceTreeWidgetItemPrivate>(data)}
{
Alexandre Leroux
Handles tooltip for a data source item
 r346 // Sets the icon and the tooltip depending on the data source
Alexandre Leroux
Handles the icon of a DataSourceTreeWidgetItem (depending of the type of the data source item)
 r81 setIcon(0, itemIcon(impl->m_Data));
Alexandre Leroux
Handles tooltip for a data source item
 r346 setToolTip(0, itemTooltip(impl->m_Data));
Alexandre Leroux
Adds actions for items in the DataSourceWidget...
 r142
Alexandre Leroux
Generates tree actions based on the item actions
 r145 // Generates tree actions based on the item actions
auto createTreeAction = [this, &parent](const auto &itemAction) {
auto treeAction = new QAction{itemAction->name(), parent};
// Executes item action when tree action is triggered
QObject::connect(treeAction, &QAction::triggered, itemAction,
&DataSourceItemAction::execute);
return treeAction;
};
auto itemActions = impl->m_Data->actions();
std::transform(std::cbegin(itemActions), std::cend(itemActions),
std::back_inserter(impl->m_Actions), createTreeAction);
Alexandre Leroux
Defines the QTreeWidgetItem for a data source item
 r80 }
QVariant DataSourceTreeWidgetItem::data(int column, int role) const
{
if (role == Qt::DisplayRole) {
Alexandre Leroux
Updates references to DataSourceItem after changes
 r343 if (impl->m_Data) {
switch (column) {
case NAME_COLUMN:
return impl->m_Data->name();
default:
// No action
break;
}
qCWarning(LOG_DataSourceTreeWidgetItem())
<< QObject::tr("Can't get data (unknown column %1)").arg(column);
}
else {
qCCritical(LOG_DataSourceTreeWidgetItem()) << QObject::tr("Can't get data (null item)");
}
return QVariant{};
Alexandre Leroux
Defines the QTreeWidgetItem for a data source item
 r80 }
else {
return QTreeWidgetItem::data(column, role);
}
}
void DataSourceTreeWidgetItem::setData(int column, int role, const QVariant &value)
{
// Data can't be changed by edition
if (role != Qt::EditRole) {
QTreeWidgetItem::setData(column, role, value);
}
}
Alexandre Leroux
Adds actions for items in the DataSourceWidget...
 r142
QList<QAction *> DataSourceTreeWidgetItem::actions() const noexcept
{
return impl->m_Actions;
}