itemlibrarymodel.h 3.25 KB
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/****************************************************************************
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**
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** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of Qt Creator.
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**
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** 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 Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
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**
** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
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****************************************************************************/
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#ifndef ITEMLIBRARYMODEL_H
#define ITEMLIBRARYMODEL_H

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#include <QMap>
#include <QIcon>
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#include <QAbstractListModel>
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#include <QtQuick>
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QT_FORWARD_DECLARE_CLASS(QMimeData)
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namespace QmlDesigner {

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class ItemLibraryInfo;
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class ItemLibraryEntry;
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class Model;
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class ItemLibrarySection;
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class ItemLibraryModel: public QAbstractListModel {
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    Q_OBJECT
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    Q_PROPERTY(QString searchText READ searchText WRITE setSearchText NOTIFY searchTextChanged)
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public:
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    explicit ItemLibraryModel(QObject *parent = 0);
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    ~ItemLibraryModel();

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    int rowCount(const QModelIndex &parent = QModelIndex()) const;
    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;

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    QString searchText() const;

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    void update(ItemLibraryInfo *itemLibraryInfo, Model *model);
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    QMimeData *getMimeData(const ItemLibraryEntry &itemLibraryEntry);
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    QList<ItemLibrarySection*> sections() const;
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    void clearSections();

    static void registerQmlTypes();

    int visibleSectionCount() const;
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    QList<ItemLibrarySection*> visibleSections() const;
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    ItemLibrarySection *sectionByName(const QString &sectionName);

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public slots:
    void setSearchText(const QString &searchText);
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    void setExpanded(bool, const QString &section);
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signals:
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    void qmlModelChanged();
    void searchTextChanged();
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    void visibilityChanged();
    void sectionVisibilityChanged(int changedSectionLibId);
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private: // functions
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    void updateVisibility();
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    void addRoleNames();
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    int getWidth(const ItemLibraryEntry &entry);
    int getHeight(const ItemLibraryEntry &entry);
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private: // variables
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    QList<ItemLibrarySection*> m_sectionModels;
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    QHash<int, QByteArray> m_roleNames;
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    QString m_searchText;
    QSize m_itemIconSize;
    int m_nextLibId;
};
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} // namespace QmlDesigner
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QML_DECLARE_TYPE(QmlDesigner::ItemLibraryModel)
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#endif // ITEMLIBRARYMODEL_H
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