Continues migration with DDS, Common
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#pragma once
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#include "item.h"
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#include "track.h"
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#include <LtsTimeline/ltstimeline_export.h>
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#include <QAbstractItemModel>
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#include <NGLLogger/INGLLogger.h>
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#include <type_traits>
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namespace LtsTimeline
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{
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class TimelineView;
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class LTSTIMELINE_EXPORT TimelineModel : public QAbstractItemModel
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{
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Q_OBJECT
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friend class TimelineViewSelectHandler;
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public:
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explicit TimelineModel(TimelineView *view, QObject *parent = nullptr);
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virtual ~TimelineModel() = default;
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void clear();
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Track &rootTrack() { return m_rootTrack; }
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Track &track(int id) noexcept(false);
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const Track &track(int id) const noexcept(false);
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const Item &item(int id) const noexcept(false);
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Item &item(int id) noexcept(false);
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const QVector<int> itemIds() const;
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const QVector<int> itemIdsBetween(qint64 start, qint64 end, bool strict = false, bool complete = false, bool recursive = false, bool sorted = false) const;
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const QVector<int> copyItemIdsBetween(qint64 start, qint64 end, bool strict, bool complete, bool sorted) const;
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bool isItemsBetween(qint64 start, qint64 end, const QVector<int> &ignoreIds = {}, bool strict = false, bool complete = false, bool recursive = false) const;
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bool isItemsBetween(qint64 start, qint64 end, int ignoreId = -1 , bool strict = false, bool complete = false, bool recursive = false) const;
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const Track &parentOfTrackId(int id) const noexcept(false);
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virtual void setItemStartTime(Track &t, Item &i, qint64 newStart);
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virtual void setItemStartTime(Item &i, qint64 newStart) noexcept(false);
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virtual void setItemStartTime(int itemId, qint64 newStart) noexcept(false);
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virtual void setItemDuration(Track &t, Item &i, int duration);
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virtual void setItemDuration(Item &i, int duration) noexcept(false);
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virtual void setItemDuration(int itemId, int duration) noexcept(false);
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void print(bool withItems = false) const { m_rootTrack.printTrackIds(withItems); }
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template <typename TrackClass, typename = typename std::enable_if<std::is_base_of<Track, TrackClass>::value, TrackClass>::type>
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int addTrack(int parentTrackId, TrackClass &&newTrack ) noexcept(false)
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{
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int id = nextFreeTrackId();
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TrackClass _track(std::move(newTrack));
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_track.m_id = id;
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_track.m_parentId = parentTrackId;
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auto *ptr = track(parentTrackId).addTrack(std::move(_track));
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m_trackCache.insert(std::pair<int, Track *>(id, ptr));
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return id;
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}
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template <typename ItemClass, typename = typename std::enable_if<std::is_base_of<Item, ItemClass>::value, ItemClass>::type>
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int addItem(int parentTrackId, ItemClass &&item) noexcept(false)
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{
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int id = nextFreeItemId();
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ItemClass _item(std::move(item));
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_item.m_id = id;
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_item.m_parentTrackId = parentTrackId;
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if (m_isSnapEnabled)
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{
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_item.m_startTime = _item.m_startTime - (_item.m_startTime % 1000);
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_item.m_duration = _item.m_duration - (_item.m_duration % 1000);
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}
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Item *ptr = track(parentTrackId).addItem(std::move(_item));
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m_itemCache.insert(std::pair<int, Item *>(id, ptr));
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QModelIndex idx = indexOfTrack(parentTrackId);
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emit dataChanged(idx, idx);
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return id;
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}
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bool isEditable() const { return m_isEditable; }
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void setEditable(bool editable) { m_isEditable = editable; }
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bool isSnapEnabled() const { return m_isSnapEnabled; }
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void setSnapEnabled(bool enabled) { m_isSnapEnabled = enabled; }
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int snapStep() const { return m_snapStep; }
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void setSnapStep(int step) { m_snapStep = step; }
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int snapTolerance() const { return m_snapTol; }
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void setSnapTolerance(int tolerance) { m_snapTol = tolerance; }
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qint64 snapTime(qint64 time) const { return m_isSnapEnabled ? time / m_snapStep * m_snapStep : time; }
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int minimumDuration() const { return m_minItemDuration; }
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void setMinimumDuration(int duration);
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QModelIndex indexOfTrack(int trackId) const;
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QModelIndex indexOfTrackSafe(int trackId) const noexcept(false);
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virtual void moveItemToTrack(int itemId, int trackId, qint64 time) noexcept(false);
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virtual void removeItem(int itemId) noexcept(false);
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virtual void removeTrack(int trackId) noexcept(false);
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virtual bool canDropItem(const Item &item, int trackId, qint64 start) const;
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virtual bool canMoveItem(const Item &item, qint64 start) const;
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virtual bool canResizeItem(const Item &item, qint64 start, int duration) const;
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virtual bool isItemDragged(int _itemId) const;
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virtual void copyToClipboard(const QVector<int> &ids) noexcept(false);
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virtual void cutToClipboard(const QVector<int> &ids) noexcept(false);
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virtual void pasteFromClipboard(qint64 time) noexcept(false);
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bool isClipboardEmpty() const { return m_clipboard.empty(); }
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int rowCount(const QModelIndex &parent = {}) const override;
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QVariant data(const QModelIndex &index, int role) const override;
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QModelIndex index(int row, int column, const QModelIndex &parent) const override;
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Qt::ItemFlags flags(const QModelIndex &index) const override;
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QModelIndex parent(const QModelIndex &index) const override;
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int columnCount(const QModelIndex &) const override { return 2; }
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protected:
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ItemPtrNCVRef _itemNCV(Track &track, int id) noexcept(false)
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{
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return track._itemNCV(id);
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}
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ItemPtrNCVRef _itemNCV(const TrackPtr &trackPtr, int id) noexcept(false)
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{
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return trackPtr->_itemNCV(id);
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}
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const ItemPtrRefs _items(const TrackPtr &trackPtr, bool recursive) const
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{
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return trackPtr->_items(recursive);
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}
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ItemPtrNCVRefs _itemsNCV(const TrackPtr &trackPtr, bool recursive)
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{
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return trackPtr->_itemsNCV(recursive);
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}
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int addItem(int parentTrackId, ItemPtr &&itemPtr, bool forceTheCompilerToUseMe = false) noexcept(false)
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{
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(void)forceTheCompilerToUseMe;
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int id = nextFreeItemId();
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ItemPtr _itemPtr(std::move(itemPtr));
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_itemPtr->m_id = id;
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_itemPtr->m_parentTrackId = parentTrackId;
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if (m_isSnapEnabled)
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{
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_itemPtr->m_startTime = _itemPtr->m_startTime - (_itemPtr->m_startTime % 1000);
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_itemPtr->m_duration = _itemPtr->m_duration - (_itemPtr->m_duration % 1000);
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}
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Item *ptr = track(parentTrackId).addItem(std::move(_itemPtr));
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m_itemCache.insert(std::pair<int, Item *>(id, ptr));
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QModelIndex idx = indexOfTrack(parentTrackId);
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emit dataChanged(idx, idx);
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return id;
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}
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void clearItems();
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int rowOfTrackId(int id) const noexcept(false);
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const Track &trackOfIndex(const QModelIndex &index) const;
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int indexOf(int id) const;
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const QVector<int> _itemIdsBetween(Track &t, qint64 start, qint64 end, bool strict, bool complete, bool recursive, bool sorted, qint64 minimumDuration) const;
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const QVector<int> _copyItemIdsBetween(Track &t, qint64 start, qint64 end, bool strict, bool complete, bool recursive, bool sorted, qint64 minimumDuration) const;
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bool _isItemsBetween(const Track &t, qint64 start, qint64 end, const QVector<int> &ignoreIds, bool strict, bool complete, bool recursive, qint64 minimumDuration) const;
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bool _isItemsBetween(const Track &t, qint64 start, qint64 end, int ignoreId, bool strict, bool complete, bool recursive, qint64 minimumDuration) const;
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private:
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int nextFreeTrackId() { return m_currentTrackId++; }
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int nextFreeItemId() { return m_currentItemId++; }
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QModelIndex indexOfTrackFromIndex(const QModelIndex &idx, int trackId) const;
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QModelIndex indexOfTrackFromIndexSafe(const QModelIndex &idx, int trackId) const noexcept(false);
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public slots:
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virtual void onInsertTrack(const QModelIndex &index) { Q_UNUSED(index); }
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virtual void onRemoveTrack(const QModelIndex &index) { Q_UNUSED(index); }
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protected:
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TimelineView *m_view{nullptr};
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Track m_rootTrack;
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int m_currentTrackId{0};
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int m_currentItemId{0};
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bool m_isEditable{true};
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bool m_isSnapEnabled{false};
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int m_snapStep{500};
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int m_snapTol{1000};
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int m_minItemDuration{0};
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bool m_itemCaching{true};
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bool m_trackCaching{true};
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std::map<int , Track *> m_trackCache;
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std::map<int , Item *> m_itemCache;
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Items m_clipboard;
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NGL::INGLLogger &m_logger;
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};
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}
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