GIT_REPOSITORIES/LPP/Users/mperrinel/SciQLop-fork Commit - r347:6127387f9c7c

Implements DataSourceItem::setData() method...

Alexandre Leroux -

r347:6127387f9c7c

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r347:6127387f9c7c

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core/include/DataSource/DataSourceItem.h +9 0

             #ifndef SCIQLOP_DATASOURCEITEM_H
             #define SCIQLOP_DATASOURCEITEM_H
             #include <Common/spimpl.h>
             #include <QVariant>
             #include <QVector>
             class DataSourceItemAction;
             /**
              * Possible types of an item
              */
             enum class DataSourceItemType { NODE, PRODUCT, COMPONENT };
             /**
              * @brief The DataSourceItem class aims to represent a structure element of a data source.
              * A data source has a tree structure that is made up of a main DataSourceItem object (root)
              * containing other DataSourceItem objects (children).
              * For each DataSourceItem can be associated a set of data representing it.
              */
             class DataSourceItem {
             public:
                 /// Key associated with the name of the item
                 static const QString NAME_DATA_KEY;
                 explicit DataSourceItem(DataSourceItemType type, const QString &name);
                 explicit DataSourceItem(DataSourceItemType type, QHash<QString, QVariant> data = {});
                 /// @return the actions of the item as a vector
                 QVector<DataSourceItemAction *> actions() const noexcept;
                 /**
                  * Adds an action to the item. The item takes ownership of the action, and the action is
                  * automatically associated to the item
                  * @param action the action to add
                  */
                 void addAction(std::unique_ptr<DataSourceItemAction> action) noexcept;
                 /**
                  * Adds a child to the item. The item takes ownership of the child.
                  * @param child the child to add
                  */
                 void appendChild(std::unique_ptr<DataSourceItem> child) noexcept;
                 /**
                  * Returns the item's child associated to an index
                  * @param childIndex the index to search
                  * @return a pointer to the child if index is valid, nullptr otherwise
                  */
                 DataSourceItem *child(int childIndex) const noexcept;
                 int childCount() const noexcept;
                 /**
                  * Get the data associated to a key
                  * @param key the key to search
                  * @return the data found if key is valid, default QVariant otherwise
                  */
                 QVariant data(const QString &key) const noexcept;
                 /// Gets all data
                 const QHash<QString, QVariant> &data() const noexcept;
                 bool isRoot() const noexcept;
                 QString name() const noexcept;
                 /**
                  * Get the item's parent
                  * @return a pointer to the parent if it exists, nullptr if the item is a root
                  */
                 DataSourceItem *parentItem() const noexcept;
+                /**
+                 * Sets or appends a value to a key
+                 * @param key the key
+                 * @param value the value
+                 * @param append if true, the value is added to the values already existing for the key,
+                 * otherwise it replaces the existing values
+                 */
+                void setData(const QString &key, const QVariant &value, bool append = false) noexcept;
                 DataSourceItemType type() const noexcept;
             private:
                 class DataSourceItemPrivate;
                 spimpl::unique_impl_ptr<DataSourceItemPrivate> impl;
             };
             #endif // SCIQLOP_DATASOURCEITEMMODEL_H

core/src/DataSource/DataSourceItem.cpp +23 0

             #include <DataSource/DataSourceItem.h>
             #include <DataSource/DataSourceItemAction.h>
             #include <QVector>
             const QString DataSourceItem::NAME_DATA_KEY = QStringLiteral("name");
             struct DataSourceItem::DataSourceItemPrivate {
                 explicit DataSourceItemPrivate(DataSourceItemType type, QHash<QString, QVariant> data)
                         : m_Parent{nullptr}, m_Children{}, m_Type{type}, m_Data{std::move(data)}, m_Actions{}
                 {
                 }
                 DataSourceItem *m_Parent;
                 std::vector<std::unique_ptr<DataSourceItem> > m_Children;
                 DataSourceItemType m_Type;
                 QHash<QString, QVariant> m_Data;
                 std::vector<std::unique_ptr<DataSourceItemAction> > m_Actions;
             };
             DataSourceItem::DataSourceItem(DataSourceItemType type, const QString &name)
                     : DataSourceItem{type, QHash<QString, QVariant>{{NAME_DATA_KEY, name}}}
             {
             }
             DataSourceItem::DataSourceItem(DataSourceItemType type, QHash<QString, QVariant> data)
                     : impl{spimpl::make_unique_impl<DataSourceItemPrivate>(type, std::move(data))}
             {
             }
             QVector<DataSourceItemAction *> DataSourceItem::actions() const noexcept
             {
                 auto result = QVector<DataSourceItemAction *>{};
                 std::transform(std::cbegin(impl->m_Actions), std::cend(impl->m_Actions),
                                std::back_inserter(result), [](const auto &action) { return action.get(); });
                 return result;
             }
             void DataSourceItem::addAction(std::unique_ptr<DataSourceItemAction> action) noexcept
             {
                 action->setDataSourceItem(this);
                 impl->m_Actions.push_back(std::move(action));
             }
             void DataSourceItem::appendChild(std::unique_ptr<DataSourceItem> child) noexcept
             {
                 child->impl->m_Parent = this;
                 impl->m_Children.push_back(std::move(child));
             }
             DataSourceItem *DataSourceItem::child(int childIndex) const noexcept
             {
                 if (childIndex < 0 || childIndex >= childCount()) {
                     return nullptr;
                 }
                 else {
                     return impl->m_Children.at(childIndex).get();
                 }
             }
             int DataSourceItem::childCount() const noexcept
             {
                 return impl->m_Children.size();
             }
             QVariant DataSourceItem::data(const QString &key) const noexcept
             {
                 return impl->m_Data.value(key);
             }
             const QHash<QString, QVariant> &DataSourceItem::data() const noexcept
             {
                 return impl->m_Data;
             }
             bool DataSourceItem::isRoot() const noexcept
             {
                 return impl->m_Parent == nullptr;
             }
             QString DataSourceItem::name() const noexcept
             {
                 return data(NAME_DATA_KEY).toString();
             }
             DataSourceItem *DataSourceItem::parentItem() const noexcept
             {
                 return impl->m_Parent;
             }
+            void DataSourceItem::setData(const QString &key, const QVariant &value, bool append) noexcept
+            {
+                auto it = impl->m_Data.constFind(key);
+                if (append && it != impl->m_Data.constEnd()) {
+                    // Case of an existing value to which we want to add to the new value
+                    if (it->canConvert<QVariantList>()) {
+                        auto variantList = it->value<QVariantList>();
+                        variantList.append(value);
+                        impl->m_Data.insert(key, variantList);
+                    }
+                    else {
+                        impl->m_Data.insert(key, QVariantList{*it, value});
+                    }
+                }
+                else {
+                    // Other cases :
+                    // - new value in map OR
+                    // - replacement of an existing value (not appending)
+                    impl->m_Data.insert(key, value);
+                }
+            }
             DataSourceItemType DataSourceItem::type() const noexcept
             {
                 return impl->m_Type;
             }

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