93 lines
2.6 KiB
C++
93 lines
2.6 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2019 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#ifndef VIEWMODEL_H
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#define VIEWMODEL_H
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#include <QAbstractItemModel>
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#include "project.h"
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/**
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* @brief The ProjectViewModel class
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*
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* An adapter that interprets the data in a Project into a Qt item model for usage in ViewModel Views.
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*/
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class ProjectViewModel : public QAbstractItemModel
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{
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public:
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enum ColumnType {
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/// Media name
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kName,
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/// Media duration
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kDuration,
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/// Media rate (frame rate for video, sample rate for audio)
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kRate
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};
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/**
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* @brief ProjectViewModel Constructor
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*
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* @param parent
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* Parent object for memory handling
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*/
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ProjectViewModel(QObject* parent);
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/**
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* @brief Get currently active project
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*
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* @return
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*
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* Currently active project or nullptr if there is none
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*/
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Project* project();
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/**
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* @brief Set the project to adapt
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*
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* Any views attached to this model will get updated by this function.
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*
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* @param p
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*
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* Project to adapt, can be set to nullptr to "close" the project (will show an empty model that cannot be modified)
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*/
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void set_project(Project* p);
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/** Compulsory Qt QAbstractItemModel overrides */
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virtual QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override;
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virtual QModelIndex parent(const QModelIndex &child) const override;
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virtual int rowCount(const QModelIndex &parent = QModelIndex()) const override;
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virtual int columnCount(const QModelIndex &parent = QModelIndex()) const override;
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virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
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/** Optional Qt QAbstractItemModel overrides */
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virtual QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
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virtual bool hasChildren(const QModelIndex &parent = QModelIndex()) const override;
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private:
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Project* project_;
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QVector<ColumnType> columns_;
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};
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#endif // VIEWMODEL_H
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