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Implements "Variable creation" operation (1)...
Implements "Variable creation" operation (1) Defines properties that will be necessary for the operation: - the provider attached to the variable created - the metadata attached to the variable created

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DataSourceWidget.cpp
123 lines | 3.7 KiB | text/x-c | CppLexer
/ gui / src / DataSource / DataSourceWidget.cpp
Alexandre Leroux
Creates the data source widget...
r82 #include <DataSource/DataSourceWidget.h>
#include <ui_DataSourceWidget.h>
#include <DataSource/DataSourceItem.h>
Alexandre Leroux
Implements filter function for data source...
r477 #include <DataSource/DataSourceTreeWidgetHelper.h>
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Creates the data source widget...
r82 #include <DataSource/DataSourceTreeWidgetItem.h>
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Handles right clicking on the tree of the data sources...
r143 #include <QMenu>
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Creates the data source widget...
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")};
Alexandre Leroux
Implements method to add a data source in the widget...
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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Creates the data source widget...
r82 } // namespace
Alexandre Leroux
Updates data sources UI representation (1)...
r1034 DataSourceWidget::DataSourceWidget(QWidget *parent)
: QWidget{parent},
ui{new Ui::DataSourceWidget},
m_Root{
std::make_unique<DataSourceItem>(DataSourceItemType::NODE, QStringLiteral("Sources"))}
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Creates the data source widget...
r82 {
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(Minor) Extracts ui of DataSourceWidget
r109 ui->setupUi(this);
// Set tree properties
ui->treeWidget->setColumnCount(TREE_NB_COLUMNS);
ui->treeWidget->setHeaderLabels(TREE_HEADER_LABELS);
Alexandre Leroux
Handles right clicking on the tree of the data sources...
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);
Alexandre Leroux
Adds line edit as a search box above data source tree
r475
// Connection to filter tree
connect(ui->filterLineEdit, &QLineEdit::textChanged, this, &DataSourceWidget::filterChanged);
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Updates data sources UI representation (1)...
r1034
// First init
updateTreeWidget();
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Creates the data source widget...
r82 }
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Implements method to add a data source in the widget...
r83
add missing delete ui
r232 DataSourceWidget::~DataSourceWidget() noexcept
{
delete ui;
}
Alexandre Leroux
Change signal/slot signature for data source
r92 void DataSourceWidget::addDataSource(DataSourceItem *dataSource) noexcept
Alexandre Leroux
Implements method to add a data source in the widget...
r83 {
Alexandre Leroux
Updates data sources UI representation (1)...
r1035 // Merges the data source (without taking its root)
Alexandre Leroux
Change signal/slot signature for data source
r92 if (dataSource) {
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Updates data sources UI representation (1)...
r1035 for (auto i = 0, count = dataSource->childCount(); i < count; ++i) {
m_Root->merge(*dataSource->child(i));
}
updateTreeWidget();
Alexandre Leroux
Change signal/slot signature for data source
r92 }
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Implements method to add a data source in the widget...
r83 }
Alexandre Leroux
Handles right clicking on the tree of the data sources...
r143
Alexandre Leroux
Updates data sources UI representation (1)...
r1034 void DataSourceWidget::updateTreeWidget() noexcept
{
ui->treeWidget->clear();
auto rootItem = createTreeWidgetItem(m_Root.get());
ui->treeWidget->addTopLevelItem(rootItem);
rootItem->setExpanded(true);
// Sorts tree
ui->treeWidget->setSortingEnabled(true);
ui->treeWidget->sortByColumn(0, Qt::AscendingOrder);
}
Alexandre Leroux
Adds line edit as a search box above data source tree
r475 void DataSourceWidget::filterChanged(const QString &text) noexcept
{
Alexandre Leroux
Implements filter function for data source...
r477 auto validateItem = [&text](const DataSourceTreeWidgetItem &item) {
auto regExp = QRegExp{text, Qt::CaseInsensitive, QRegExp::Wildcard};
// An item is valid if any of its metadata validates the text filter
auto itemMetadata = item.data()->data();
auto itemMetadataEnd = itemMetadata.cend();
auto acceptFilter
= [&regExp](const auto &variant) { return variant.toString().contains(regExp); };
return std::find_if(itemMetadata.cbegin(), itemMetadataEnd, acceptFilter)
!= itemMetadataEnd;
};
// Applies filter on tree widget
DataSourceTreeWidgetHelper::filter(*ui->treeWidget, validateItem);
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Adds line edit as a search box above data source tree
r475 }
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Handles right clicking on the tree of the data sources...
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()) {
Alexandre Leroux
Fixed menus position
r655 treeMenu.exec(QCursor::pos());
Alexandre Leroux
Handles right clicking on the tree of the data sources...
r143 }
}
}