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