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7150d1c6f6
Instead of reloading all the filter, only increment / decrement the count of the entries of added / removed dives. Originally, this was planned to be done via the signals from the divelist, but it turned out that this was suboptimal, because if the filter decides that the new item is selected, this has to be done *before* adding the dive. Otherwise, it wouldn't be shown. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
143 lines
3.5 KiB
C++
143 lines
3.5 KiB
C++
// SPDX-License-Identifier: GPL-2.0
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#ifndef FILTERMODELS_H
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#define FILTERMODELS_H
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#include <QStringListModel>
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#include <QSortFilterProxyModel>
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#include <stdint.h>
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#include <vector>
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struct dive;
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struct dive_trip;
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class FilterModelBase : public QAbstractListModel {
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Q_OBJECT
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private:
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int findInsertionIndex(const QString &name);
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protected:
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struct Item {
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QString name;
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bool checked;
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int count;
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};
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std::vector<Item> items;
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int indexOf(const QString &name) const;
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void addItem(const QString &name, bool checked, int count);
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int rowCount(const QModelIndex &parent = QModelIndex()) const override;
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void decreaseCount(const QString &d);
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void increaseCount(const QString &d);
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public:
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virtual bool doFilter(const dive *d) const = 0;
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virtual void diveAdded(const dive *d) = 0;
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virtual void diveDeleted(const dive *d) = 0;
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void clearFilter();
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void selectAll();
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void invertSelection();
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bool anyChecked;
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bool negate;
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public
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slots:
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void setNegate(bool negate);
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void changeName(const QString &oldName, const QString &newName);
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protected:
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explicit FilterModelBase(QObject *parent = 0);
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void updateList(QStringList &new_list);
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virtual int countDives(const char *) const = 0;
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private:
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Qt::ItemFlags flags(const QModelIndex &index) const;
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QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
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bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
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};
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class TagFilterModel : public FilterModelBase {
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Q_OBJECT
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public:
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static TagFilterModel *instance();
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bool doFilter(const dive *d) const;
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public
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slots:
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void repopulate();
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private:
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explicit TagFilterModel(QObject *parent = 0);
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int countDives(const char *) const;
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void diveAdded(const dive *d);
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void diveDeleted(const dive *d);
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};
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class BuddyFilterModel : public FilterModelBase {
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Q_OBJECT
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public:
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static BuddyFilterModel *instance();
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bool doFilter(const dive *d) const;
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public
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slots:
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void repopulate();
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private:
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explicit BuddyFilterModel(QObject *parent = 0);
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int countDives(const char *) const;
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void diveAdded(const dive *d);
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void diveDeleted(const dive *d);
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};
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class LocationFilterModel : public FilterModelBase {
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Q_OBJECT
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public:
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static LocationFilterModel *instance();
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bool doFilter(const dive *d) const;
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public
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slots:
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void repopulate();
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void addName(const QString &newName);
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private:
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explicit LocationFilterModel(QObject *parent = 0);
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int countDives(const char *) const;
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void diveAdded(const dive *d);
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void diveDeleted(const dive *d);
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};
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class SuitsFilterModel : public FilterModelBase {
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Q_OBJECT
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public:
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static SuitsFilterModel *instance();
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bool doFilter(const dive *d) const;
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public
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slots:
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void repopulate();
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private:
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explicit SuitsFilterModel(QObject *parent = 0);
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int countDives(const char *) const;
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void diveAdded(const dive *d);
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void diveDeleted(const dive *d);
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};
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class MultiFilterSortModel : public QSortFilterProxyModel {
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Q_OBJECT
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public:
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static MultiFilterSortModel *instance();
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bool filterAcceptsRow(int source_row, const QModelIndex &source_parent) const override;
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void addFilterModel(FilterModelBase *model);
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void removeFilterModel(FilterModelBase *model);
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void divesAdded(const QVector<dive *> &dives);
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void divesDeleted(const QVector<dive *> &dives);
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bool showDive(const struct dive *d) const;
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int divesDisplayed;
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public
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slots:
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void myInvalidate();
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void clearFilter();
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void startFilterDiveSite(uint32_t uuid);
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void stopFilterDiveSite();
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signals:
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void filterFinished();
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private:
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MultiFilterSortModel(QObject *parent = 0);
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QList<FilterModelBase *> models;
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struct dive_site *curr_dive_site;
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};
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#endif
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