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mobile/divelist: add first version of new MobileListModel proxy model

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Create a model which represents all top-level items and, potentially, one
expanded trip as a flat list.

Pass down roles to the source model and let the source model handle that. We'll
have to do some ifdef-ery, but so be it.

Additionally, compile the base model on mobile as well.
This contains a couple of hacks to make things compile at all.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Berthold Stoeger 2019-11-11 21:16:48 +01:00 • committed by Dirk Hohndel
parent 90f8c1138e
commit 35b33b8c6a
6 changed files with 656 additions and 1 deletions
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94
qt-models/mobilelistmodel.h Normal file
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// SPDX-License-Identifier: GPL-2.0
#ifndef MOBILELISTMODEL_H
#define MOBILELISTMODEL_H
#include "divetripmodel.h"
class MobileListModel : public QAbstractItemModel {
Q_OBJECT
public:
enum Roles {
IsTopLevelRole = DiveTripModelBase::LAST_ROLE + 1,
DiveDateRole,
TripIdRole,
TripNrDivesRole,
DateTimeRole,
IdRole,
NumberRole,
LocationRole,
DepthRole,
DurationRole,
DepthDurationRole,
RatingRole,
VizRole,
SuitRole,
AirTempRole,
WaterTempRole,
SacRole,
SumWeightRole,
DiveMasterRole,
BuddyRole,
NotesRole,
GpsDecimalRole,
GpsRole,
NoDiveRole,
DiveSiteRole,
CylinderRole,
GetCylinderRole,
CylinderListRole,
SingleWeightRole,
StartPressureRole,
EndPressureRole,
FirstGasRole,
SelectedRole,
};
MobileListModel(DiveTripModelBase *source);
static MobileListModel *instance();
void resetModel();
void expand(int row);
void unexpand();
void toggle(int row);
Q_PROPERTY(int shown READ shown NOTIFY shownChanged);
signals:
void shownChanged();
private:
struct IndexRange {
bool visible;
int first, last;
};
void connectSignals();
std::vector<IndexRange> rangeStack;
QModelIndex sourceIndex(int row, int col, int parentRow = -1) const;
int numSubItems() const;
int mapRowFromSourceTopLevel(int row) const;
int mapRowFromSourceTopLevelForInsert(int row) const;
int mapRowFromSourceTrip(const QModelIndex &parent, int parentRow, int row) const;
int mapRowFromSource(const QModelIndex &parent, int row) const;
int invertRow(const QModelIndex &parent, int row) const;
IndexRange mapRangeFromSource(const QModelIndex &parent, int first, int last) const;
IndexRange mapRangeFromSourceForInsert(const QModelIndex &parent, int first, int last) const;
QModelIndex mapFromSource(const QModelIndex &idx) const;
QModelIndex mapToSource(const QModelIndex &idx) const;
static void updateRowAfterRemove(const IndexRange &range, int &row);
static void updateRowAfterMove(const IndexRange &range, const IndexRange &dest, int &row);
QVariant data(const QModelIndex &index, int role) const override;
QModelIndex index(int row, int column, const QModelIndex &parent) const override;
QModelIndex parent(const QModelIndex &index) const override;
int rowCount(const QModelIndex &parent) const override;
int columnCount(const QModelIndex &parent) const override;
QHash<int, QByteArray> roleNames() const override;
int shown() const;
DiveTripModelBase *source;
int expandedRow;
private slots:
void prepareRemove(const QModelIndex &parent, int first, int last);
void doneRemove(const QModelIndex &parent, int first, int last);
void prepareInsert(const QModelIndex &parent, int first, int last);
void doneInsert(const QModelIndex &parent, int first, int last);
void prepareMove(const QModelIndex &parent, int first, int last, const QModelIndex &dest, int destRow);
void doneMove(const QModelIndex &parent, int first, int last, const QModelIndex &dest, int destRow);
void changed(const QModelIndex &topLeft, const QModelIndex &bottomRight, const QVector<int> &roles);
};
#endif