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e0fcf99d0a
Currently, the filter is recalculated if a filter-entry is changed. This also happens if the counts of a filter-entry changes. This is to be avoided, as it causes unnecessary churn. Therefore, send the proper role with the dataChanged() signal and add a new slot, which invalidates only if a field with the Qt::CheckStateRole is changed. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
144 lines
3.6 KiB
C++
144 lines
3.6 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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void filterChanged(const QModelIndex &from, const QModelIndex &to, const QVector<int> &roles);
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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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