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e99c4c9059
The LocationInformationModel used to sort its entries and was completely rebuilt after every change. This makes it rather complex to support incremental changes. Instead, keep LocationInformationModel sorted by UUID so that indexes are consistent with indices in the core dive site table. Implement sorting by other columns than name and enable sorting in the dive site view. Finally, don't cache the list of dive site names for the mobile app, since that would also need some rather convoluted methods of keeping the list up to date. Calculate it on the fly. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
71 lines
2.5 KiB
C++
71 lines
2.5 KiB
C++
// SPDX-License-Identifier: GPL-2.0
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#ifndef DIVELOCATIONMODEL_H
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#define DIVELOCATIONMODEL_H
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#include <QAbstractTableModel>
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#include <QStringListModel>
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#include <QSortFilterProxyModel>
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#include "core/units.h"
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#define RECENTLY_ADDED_DIVESITE ((struct dive_site *)~0)
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struct dive;
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struct dive_trip;
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class LocationInformationModel : public QAbstractTableModel {
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Q_OBJECT
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public:
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// Common columns, roles and accessor function for all dive-site models.
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// Thus, different views can connect to different models.
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enum Columns { REMOVE, NAME, DESCRIPTION, NUM_DIVES, COORDS, NOTES, LATITUDE, LONGITUDE, DIVESITE, TAXONOMY_1, TAXONOMY_2, TAXONOMY_3, COLUMNS};
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enum Roles { DIVESITE_ROLE = Qt::UserRole + 1 };
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static QVariant getDiveSiteData(const struct dive_site *ds, int column, int role);
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LocationInformationModel(QObject *obj = 0);
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static LocationInformationModel *instance();
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int columnCount(const QModelIndex &parent) const;
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int rowCount(const QModelIndex &parent = QModelIndex()) const;
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QVariant data(const QModelIndex &index = QModelIndex(), int role = Qt::DisplayRole) const;
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bool removeRows(int row, int count, const QModelIndex & parent = QModelIndex());
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QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
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Qt::ItemFlags flags(const QModelIndex &index) const override;
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public slots:
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void update();
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void diveSiteDiveCountChanged(struct dive_site *ds);
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void diveSiteAdded(struct dive_site *ds, int idx);
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void diveSiteDeleted(struct dive_site *ds, int idx);
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};
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class DiveSiteSortedModel : public QSortFilterProxyModel {
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Q_OBJECT
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private:
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bool filterAcceptsRow(int sourceRow, const QModelIndex &source_parent) const override;
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bool lessThan(const QModelIndex &i1, const QModelIndex &i2) const override;
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public:
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DiveSiteSortedModel();
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QStringList allSiteNames() const;
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};
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// To access only divesites at the given GPS coordinates with the exception of a given dive site
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class GPSLocationInformationModel : public QSortFilterProxyModel {
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Q_OBJECT
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private:
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const struct dive_site *ignoreDs;
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location_t location;
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bool filterAcceptsRow(int sourceRow, const QModelIndex &source_parent) const override;
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public:
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GPSLocationInformationModel(QObject *parent = nullptr);
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void set(const struct dive_site *ignoreDs, const location_t &);
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void setCoordinates(const location_t &);
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};
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class GeoReferencingOptionsModel : public QStringListModel {
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Q_OBJECT
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public:
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static GeoReferencingOptionsModel *instance();
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private:
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GeoReferencingOptionsModel(QObject *parent = 0);
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};
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#endif
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