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HG_REPOSITORIES » LPP » SciQLOP_Repos » SciQLop
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Changes structure of data hold by the item...
Alexandre Leroux -
r342:2fbf66a7ca8a
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@@ -1,73 +1,77
1 1 #ifndef SCIQLOP_DATASOURCEITEM_H
2 2 #define SCIQLOP_DATASOURCEITEM_H
3 3
4 4 #include <Common/spimpl.h>
5 5
6 6 #include <QVariant>
7 7 #include <QVector>
8 8
9 9 class DataSourceItemAction;
10 10
11 11 /**
12 12 * Possible types of an item
13 13 */
14 14 enum class DataSourceItemType { NODE, PRODUCT };
15 15
16 16 /**
17 17 * @brief The DataSourceItem class aims to represent a structure element of a data source.
18 18 * A data source has a tree structure that is made up of a main DataSourceItem object (root)
19 19 * containing other DataSourceItem objects (children).
20 20 * For each DataSourceItem can be associated a set of data representing it.
21 21 */
22 22 class DataSourceItem {
23 23 public:
24 explicit DataSourceItem(DataSourceItemType type, QVector<QVariant> data = {});
24 /// Key associated with the name of the item
25 static const QString NAME_DATA_KEY;
26
27 explicit DataSourceItem(DataSourceItemType type, const QString &name);
28 explicit DataSourceItem(DataSourceItemType type, QHash<QString, QVariant> data = {});
25 29
26 30 /// @return the actions of the item as a vector
27 31 QVector<DataSourceItemAction *> actions() const noexcept;
28 32
29 33 /**
30 34 * Adds an action to the item. The item takes ownership of the action, and the action is
31 35 * automatically associated to the item
32 36 * @param action the action to add
33 37 */
34 38 void addAction(std::unique_ptr<DataSourceItemAction> action) noexcept;
35 39
36 40 /**
37 41 * Adds a child to the item. The item takes ownership of the child.
38 42 * @param child the child to add
39 43 */
40 44 void appendChild(std::unique_ptr<DataSourceItem> child) noexcept;
41 45
42 46 /**
43 47 * Returns the item's child associated to an index
44 48 * @param childIndex the index to search
45 49 * @return a pointer to the child if index is valid, nullptr otherwise
46 50 */
47 51 DataSourceItem *child(int childIndex) const noexcept;
48 52
49 53 int childCount() const noexcept;
50 54
51 55 /**
52 * Get the data associated to an index
53 * @param dataIndex the index to search
54 * @return the data found if index is valid, default QVariant otherwise
56 * Get the data associated to a key
57 * @param key the key to search
58 * @return the data found if key is valid, default QVariant otherwise
55 59 */
56 QVariant data(int dataIndex) const noexcept;
60 QVariant data(const QString &key) const noexcept;
57 61
58 62 QString name() const noexcept;
59 63
60 64 /**
61 65 * Get the item's parent
62 66 * @return a pointer to the parent if it exists, nullptr if the item is a root
63 67 */
64 68 DataSourceItem *parentItem() const noexcept;
65 69
66 70 DataSourceItemType type() const noexcept;
67 71
68 72 private:
69 73 class DataSourceItemPrivate;
70 74 spimpl::unique_impl_ptr<DataSourceItemPrivate> impl;
71 75 };
72 76
73 77 #endif // SCIQLOP_DATASOURCEITEMMODEL_H
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@@ -1,86 +1,86
1 1 #include <DataSource/DataSourceItem.h>
2 2 #include <DataSource/DataSourceItemAction.h>
3 3
4 4 #include <QVector>
5 5
6 namespace {
7
8 /// Index of the 'name' value in the item
9 const auto NAME_INDEX = 0;
10
11 } // namespace
6 const QString DataSourceItem::NAME_DATA_KEY = QStringLiteral("name");
12 7
13 8 struct DataSourceItem::DataSourceItemPrivate {
14 explicit DataSourceItemPrivate(DataSourceItemType type, QVector<QVariant> data)
9 explicit DataSourceItemPrivate(DataSourceItemType type, QHash<QString, QVariant> data)
15 10 : m_Parent{nullptr}, m_Children{}, m_Type{type}, m_Data{std::move(data)}, m_Actions{}
16 11 {
17 12 }
18 13
19 14 DataSourceItem *m_Parent;
20 15 std::vector<std::unique_ptr<DataSourceItem> > m_Children;
21 16 DataSourceItemType m_Type;
22 QVector<QVariant> m_Data;
17 QHash<QString, QVariant> m_Data;
23 18 std::vector<std::unique_ptr<DataSourceItemAction> > m_Actions;
24 19 };
25 20
26 DataSourceItem::DataSourceItem(DataSourceItemType type, QVector<QVariant> data)
21 DataSourceItem::DataSourceItem(DataSourceItemType type, const QString &name)
22 : DataSourceItem{type, QHash<QString, QVariant>{{NAME_DATA_KEY, name}}}
23 {
24 }
25
26 DataSourceItem::DataSourceItem(DataSourceItemType type, QHash<QString, QVariant> data)
27 27 : impl{spimpl::make_unique_impl<DataSourceItemPrivate>(type, std::move(data))}
28 28 {
29 29 }
30 30
31 31 QVector<DataSourceItemAction *> DataSourceItem::actions() const noexcept
32 32 {
33 33 auto result = QVector<DataSourceItemAction *>{};
34 34
35 35 std::transform(std::cbegin(impl->m_Actions), std::cend(impl->m_Actions),
36 36 std::back_inserter(result), [](const auto &action) { return action.get(); });
37 37
38 38 return result;
39 39 }
40 40
41 41 void DataSourceItem::addAction(std::unique_ptr<DataSourceItemAction> action) noexcept
42 42 {
43 43 action->setDataSourceItem(this);
44 44 impl->m_Actions.push_back(std::move(action));
45 45 }
46 46
47 47 void DataSourceItem::appendChild(std::unique_ptr<DataSourceItem> child) noexcept
48 48 {
49 49 child->impl->m_Parent = this;
50 50 impl->m_Children.push_back(std::move(child));
51 51 }
52 52
53 53 DataSourceItem *DataSourceItem::child(int childIndex) const noexcept
54 54 {
55 55 if (childIndex < 0 || childIndex >= childCount()) {
56 56 return nullptr;
57 57 }
58 58 else {
59 59 return impl->m_Children.at(childIndex).get();
60 60 }
61 61 }
62 62
63 63 int DataSourceItem::childCount() const noexcept
64 64 {
65 65 return impl->m_Children.size();
66 66 }
67 67
68 QVariant DataSourceItem::data(int dataIndex) const noexcept
68 QVariant DataSourceItem::data(const QString &key) const noexcept
69 69 {
70 return impl->m_Data.value(dataIndex);
70 return impl->m_Data.value(key);
71 71 }
72 72
73 73 QString DataSourceItem::name() const noexcept
74 74 {
75 return data(NAME_INDEX).toString();
75 return data(NAME_DATA_KEY).toString();
76 76 }
77 77
78 78 DataSourceItem *DataSourceItem::parentItem() const noexcept
79 79 {
80 80 return impl->m_Parent;
81 81 }
82 82
83 83 DataSourceItemType DataSourceItem::type() const noexcept
84 84 {
85 85 return impl->m_Type;
86 86 }
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