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Diffstat (limited to 'src/Authoring/Qt3DStudio/Palettes/Inspector/ChooserModelBase.h')
-rw-r--r-- | src/Authoring/Qt3DStudio/Palettes/Inspector/ChooserModelBase.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/src/Authoring/Qt3DStudio/Palettes/Inspector/ChooserModelBase.h b/src/Authoring/Qt3DStudio/Palettes/Inspector/ChooserModelBase.h new file mode 100644 index 00000000..01553ca4 --- /dev/null +++ b/src/Authoring/Qt3DStudio/Palettes/Inspector/ChooserModelBase.h @@ -0,0 +1,122 @@ +/**************************************************************************** +** +** Copyright (C) 2017 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of Qt 3D Studio. +** +** $QT_BEGIN_LICENSE:GPL-EXCEPT$ +** 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ +#ifndef CHOOSERMODELBASE_H +#define CHOOSERMODELBASE_H + +#include "DispatchListeners.h" +#include "StudioObjectTypes.h" + +#include <QFileSystemModel> +#include <QAbstractListModel> +#include <QList> +#include <QVector> + +QT_FORWARD_DECLARE_CLASS(QFileSystemModel) + +class ChooserModelBase : public QAbstractListModel, public CPresentationChangeListener +{ + Q_OBJECT + +public: + explicit ChooserModelBase(QObject *parent = nullptr); + ~ChooserModelBase(); + + enum { + IsExpandableRole = QFileSystemModel::FilePermissions + 1, + DepthRole, + ExpandedRole, + IsSelectableRole, + IsCurrentFile + }; + + QHash<int, QByteArray> roleNames() const override; + int rowCount(const QModelIndex &parent = {}) const override; + QVariant data(const QModelIndex &index, int role) const override; + + Q_INVOKABLE void expand(int row); + Q_INVOKABLE void collapse(int row); + + Q_INVOKABLE void setCurrentFile(const QString &path); + static QString noneString() { return tr("[None]"); } + + // CPresentationChangeListener + void OnNewPresentation() override; + +Q_SIGNALS: + void modelChanged(QAbstractItemModel *model); + +protected: + EStudioObjectType getIconType(const QString &path) const; + + virtual bool isVisible(const QString &path) const = 0; + + struct FixedItem + { + EStudioObjectType iconType; + QString iconSource; + QString name; + }; + + struct TreeItem { + QPersistentModelIndex index; + int depth; + bool expanded; + TreeItem *parent; + int childCount; + }; + + virtual const QVector<FixedItem> getFixedItems() const = 0; + virtual QString specialDisplayName(const TreeItem &item) const; + +private: + void setRootPath(const QString &path); + void setRootIndex(const QModelIndex &rootIndex); + void clearModelData(); + void showModelTopLevelItems(); + void showModelChildItems(const QModelIndex &parentItem, int start, int end); + int modelIndexRow(const QModelIndex &modelIndex) const; + bool isExpanded(const QModelIndex &modelIndex) const; + QString getIconName(const QString &path) const; + bool isVisible(const QModelIndex &modelIndex) const; + bool hasVisibleChildren(const QModelIndex &modelIndex) const; + void expand(const QModelIndex &modelIndex); + + void modelRowsInserted(const QModelIndex &parent, int start, int end); + void modelRowsRemoved(const QModelIndex &parent, int start, int end); + void modelRowsMoved(const QModelIndex &parent, int start, int end); + void modelLayoutChanged(); + + void rebuild(); + + QFileSystemModel *m_model; + QPersistentModelIndex m_rootIndex; + QList<TreeItem> m_items; + QString m_currentFile; +}; + +#endif // CHOOSERMODELBASE_H |