HG_REPOSITORIES/LPP/SciQLOP_Repos/SciQLop Files · gui/src/DataSource/DataSourceWidget.cpp

Implements filter function for data source...

Implements filter function for data source An item is valid if one of its metadata matches the text in the seach box

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             DataSourceWidget.cpp
        
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             / gui / src / DataSource / DataSourceWidget.cpp
          
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        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>

        Alexandre Leroux
    
Creates the data source widget...

              r82
            
      #include <DataSource/DataSourceTreeWidgetItem.h>

        Alexandre Leroux
    
Handles right clicking on the tree of the data sources...

              r143
            
      #include <QMenu>

        Alexandre Leroux
    
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      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;

      }

        Alexandre Leroux
    
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              r82
            
      } // namespace

        Alexandre Leroux
    
(Minor) Extracts ui of DataSourceWidget

              r109
            
      DataSourceWidget::DataSourceWidget(QWidget *parent) : QWidget{parent}, ui{new Ui::DataSourceWidget}

        Alexandre Leroux
    
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              r82
            
      {

        Alexandre Leroux
    
(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);

        Alexandre Leroux
    
Creates the data source widget...

              r82
            
      }

        Alexandre Leroux
    
Implements method to add a data source in the widget...

              r83
            
        perrinel
    
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
            
      {

          // Creates the item associated to the source and adds it to the tree widget. The tree widget

          // takes the ownership of the item

        Alexandre Leroux
    
Change signal/slot signature for data source

              r92
            
          if (dataSource) {

        Alexandre Leroux
    
(Minor) Extracts ui of DataSourceWidget

              r109
            
              ui->treeWidget->addTopLevelItem(createTreeWidgetItem(dataSource));

        Alexandre Leroux
    
Change signal/slot signature for data source

              r92
            
          }

        Alexandre Leroux
    
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
    
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);

        Alexandre Leroux
    
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              r475
            
      }

        Alexandre Leroux
    
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              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()) {

                  treeMenu.exec(mapToGlobal(pos));

              }

          }

      }

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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>
Alexandre Leroux Creates the data source widget...	r82	#include <DataSource/DataSourceTreeWidgetItem.h>

Alexandre Leroux Handles right clicking on the tree of the data sources...	r143	#include <QMenu>

Alexandre Leroux 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;
		}

Alexandre Leroux Creates the data source widget...	r82	} // namespace

Alexandre Leroux (Minor) Extracts ui of DataSourceWidget	r109	DataSourceWidget::DataSourceWidget(QWidget *parent) : QWidget{parent}, ui{new Ui::DataSourceWidget}
Alexandre Leroux Creates the data source widget...	r82	{
Alexandre Leroux (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);
Alexandre Leroux Creates the data source widget...	r82	}
Alexandre Leroux Implements method to add a data source in the widget...	r83
perrinel 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	{
		// Creates the item associated to the source and adds it to the tree widget. The tree widget
		// takes the ownership of the item
Alexandre Leroux Change signal/slot signature for data source	r92	if (dataSource) {
Alexandre Leroux (Minor) Extracts ui of DataSourceWidget	r109	ui->treeWidget->addTopLevelItem(createTreeWidgetItem(dataSource));
Alexandre Leroux Change signal/slot signature for data source	r92	}
Alexandre Leroux 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 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);
Alexandre Leroux Adds line edit as a search box above data source tree	r475	}

Alexandre Leroux 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()) {
		treeMenu.exec(mapToGlobal(pos));
		}
		}
		}