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path: root/src/plugins/texteditor/codeassist/genericproposalmodel.h
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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/

#pragma once

#include "iassistproposalmodel.h"
#include "assistenums.h"

#include <texteditor/completionsettings.h>
#include <texteditor/texteditor_global.h>
#include <utils/fuzzymatcher.h>

#include <QHash>
#include <QList>

QT_FORWARD_DECLARE_CLASS(QIcon)

namespace TextEditor {

class AssistProposalItemInterface;

class TEXTEDITOR_EXPORT GenericProposalModel : public IAssistProposalModel
{
public:
    GenericProposalModel();
    ~GenericProposalModel() override;

    void reset() override;
    int size() const override;
    QString text(int index) const override;

    virtual QIcon icon(int index) const;
    virtual QString detail(int index) const;
    virtual Qt::TextFormat detailFormat(int index) const;
    virtual int persistentId(int index) const;
    virtual bool containsDuplicates() const;
    virtual void removeDuplicates();
    virtual void filter(const QString &prefix);
    virtual bool isSortable(const QString &prefix) const;
    virtual void sort(const QString &prefix);
    virtual bool supportsPrefixExpansion() const;
    virtual QString proposalPrefix() const;
    virtual bool keepPerfectMatch(AssistReason reason) const;
    virtual AssistProposalItemInterface *proposalItem(int index) const;
    virtual int indexOf(const std::function<bool (AssistProposalItemInterface *)> &predicate) const;

    void loadContent(const QList<AssistProposalItemInterface *> &items);

    bool isPerfectMatch(const QString &prefix) const;
    bool hasItemsToPropose(const QString &prefix, AssistReason reason) const;

    bool isPrefiltered(const QString &prefix) const;
    void setPrefilterPrefix(const QString &prefix);

    FuzzyMatcher::CaseSensitivity convertCaseSensitivity(TextEditor::CaseSensitivity textEditorCaseSensitivity);

protected:
    QList<AssistProposalItemInterface *> m_currentItems;

private:
    QHash<QString, int> m_idByText;
    QList<AssistProposalItemInterface *> m_originalItems;
    QString m_prefilterPrefix;
    bool m_duplicatesRemoved = false;
};

using GenericProposalModelPtr = QSharedPointer<GenericProposalModel>;

} // TextEditor