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79 lines
2.2 KiB
C++
79 lines
2.2 KiB
C++
/*
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SPDX-FileCopyrightText: 2015 Eike Hein <hein@kde.org>
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SPDX-FileCopyrightText: 2017 Ivan Cukic <ivan.cukic@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#pragma once
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#include "abstractmodel.h"
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#include <QPointer>
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#include <QTimer>
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class PlaceholderModel : public AbstractModel
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{
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Q_OBJECT
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Q_PROPERTY(QAbstractItemModel *sourceModel READ sourceModel WRITE setSourceModel NOTIFY sourceModelChanged)
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Q_PROPERTY(int dropPlaceholderIndex READ dropPlaceholderIndex WRITE setDropPlaceholderIndex NOTIFY dropPlaceholderIndexChanged)
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public:
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explicit PlaceholderModel(QObject *parent = nullptr);
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~PlaceholderModel() override;
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QString description() const override;
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QAbstractItemModel *sourceModel() const;
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virtual void setSourceModel(QAbstractItemModel *sourceModel);
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bool canFetchMore(const QModelIndex &parent) const override;
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void fetchMore(const QModelIndex &parent) override;
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QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override;
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QModelIndex parent(const QModelIndex &index) const override;
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QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
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int rowCount(const QModelIndex &parent = QModelIndex()) const override;
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Q_INVOKABLE bool trigger(int row, const QString &actionId, const QVariant &argument) override;
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Q_INVOKABLE QString labelForRow(int row) override;
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Q_INVOKABLE AbstractModel *modelForRow(int row) override;
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AbstractModel *favoritesModel() override;
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int separatorCount() const override;
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int dropPlaceholderIndex() const;
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void setDropPlaceholderIndex(int index);
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public Q_SLOTS:
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void reset();
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Q_SIGNALS:
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void sourceModelChanged() const;
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void dropPlaceholderIndexChanged();
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protected:
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void inhibitTriggering();
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private:
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QModelIndex indexToSourceIndex(const QModelIndex &index) const;
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QModelIndex sourceIndexToIndex(const QModelIndex &index) const;
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int sourceRowToRow(int sourceRow) const;
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int rowToSourceRow(int row) const;
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void connectSignals();
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void disconnectSignals();
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QPointer<QAbstractItemModel> m_sourceModel;
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int m_dropPlaceholderIndex;
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bool m_isTriggerInhibited;
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QTimer m_triggerInhibitor;
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};
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