subsurface/qt-models/filtermodels.h
Berthold Stoeger dd2466f518 Update filters on refreshDisplay and remember old selecttions
Update the filters if the list of dives is updated by calling
MultiFilterSortModel::instance()->myInvalidate();
This had the side effect of clearing all selections. Thus, in
the repopulate() methods of the FilterModels, check those
entries that were checked previously. Since all the filter
models use the same code, introduce a base class FilterModelBase.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2017-11-25 08:24:36 -08:00

117 lines
3.5 KiB
C++

// SPDX-License-Identifier: GPL-2.0
#ifndef FILTERMODELS_H
#define FILTERMODELS_H
#include <QStringListModel>
#include <QSortFilterProxyModel>
#include <stdint.h>
#include <vector>
class MultiFilterInterface {
public:
MultiFilterInterface() : anyChecked(false) {}
virtual bool doFilter(struct dive *d, QModelIndex &index0, QAbstractItemModel *sourceModel) const = 0;
virtual void clearFilter() = 0;
std::vector<char> checkState;
bool anyChecked;
};
class FilterModelBase : public QStringListModel, public MultiFilterInterface {
protected:
explicit FilterModelBase(QObject *parent = 0);
void updateList(const QStringList &new_list);
};
class TagFilterModel : public FilterModelBase {
Q_OBJECT
public:
static TagFilterModel *instance();
virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
virtual bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
virtual Qt::ItemFlags flags(const QModelIndex &index) const;
bool doFilter(struct dive *d, QModelIndex &index0, QAbstractItemModel *sourceModel) const;
void clearFilter();
public
slots:
void repopulate();
private:
explicit TagFilterModel(QObject *parent = 0);
};
class BuddyFilterModel : public FilterModelBase {
Q_OBJECT
public:
static BuddyFilterModel *instance();
virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
virtual bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
virtual Qt::ItemFlags flags(const QModelIndex &index) const;
bool doFilter(struct dive *d, QModelIndex &index0, QAbstractItemModel *sourceModel) const;
void clearFilter();
public
slots:
void repopulate();
private:
explicit BuddyFilterModel(QObject *parent = 0);
};
class LocationFilterModel : public FilterModelBase {
Q_OBJECT
public:
static LocationFilterModel *instance();
virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
virtual bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
virtual Qt::ItemFlags flags(const QModelIndex &index) const;
bool doFilter(struct dive *d, QModelIndex &index0, QAbstractItemModel *sourceModel) const;
void clearFilter();
public
slots:
void repopulate();
private:
explicit LocationFilterModel(QObject *parent = 0);
};
class SuitsFilterModel : public FilterModelBase {
Q_OBJECT
public:
static SuitsFilterModel *instance();
virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
virtual bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
virtual Qt::ItemFlags flags(const QModelIndex &index) const;
bool doFilter(struct dive *d, QModelIndex &index0, QAbstractItemModel *sourceModel) const;
void clearFilter();
public
slots:
void repopulate();
private:
explicit SuitsFilterModel(QObject *parent = 0);
};
class MultiFilterSortModel : public QSortFilterProxyModel {
Q_OBJECT
public:
static MultiFilterSortModel *instance();
virtual bool filterAcceptsRow(int source_row, const QModelIndex &source_parent) const;
void addFilterModel(MultiFilterInterface *model);
void removeFilterModel(MultiFilterInterface *model);
int divesDisplayed;
public
slots:
void myInvalidate();
void clearFilter();
void startFilterDiveSite(uint32_t uuid);
void stopFilterDiveSite();
signals:
void filterFinished();
private:
MultiFilterSortModel(QObject *parent = 0);
QList<MultiFilterInterface *> models;
bool justCleared;
struct dive_site *curr_dive_site;
};
#endif