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0001 /*************************************************************************** 0002 * Copyright (C) 2017 by Emmanuel Lepage Vallee * 0003 * Author : Emmanuel Lepage Vallee <emmanuel.lepage@kde.org> * 0004 * * 0005 * This program is free software; you can redistribute it and/or modify * 0006 * it under the terms of the GNU General Public License as published by * 0007 * the Free Software Foundation; either version 3 of the License, or * 0008 * (at your option) any later version. * 0009 * * 0010 * This program is distributed in the hope that it will be useful, * 0011 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 0012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 0013 * GNU General Public License for more details. * 0014 * * 0015 * You should have received a copy of the GNU General Public License * 0016 * along with this program. If not, see <http://www.gnu.org/licenses/>. * 0017 **************************************************************************/ 0018 #ifndef TREEVIEW_H 0019 #define TREEVIEW_H 0020 0021 #include <KQuickItemViews/singlemodelviewbase.h> 0022 0023 // Qt 0024 class QQuickItem; 0025 0026 // KQuickItemViews 0027 class TreeViewPrivate; 0028 0029 /** 0030 * Second generation of QtQuick treeview. 0031 * 0032 * The first one was designed for the chat view. It had a limited number of 0033 * requirements when it came to QtModel. However it required total control of 0034 * the layout. 0035 * 0036 * This is the opposite use case. The layout is classic, but the model support 0037 * has to be complete. Performance and lazy loading is also more important. 0038 * 0039 * It require less work to write a new treeview than refector the first one to 0040 * support the additional requirements. In the long run, the first generation 0041 * could be folded into this widget (if it ever makes sense, otherwise they will 0042 * keep diverging). 0043 */ 0044 class Q_DECL_EXPORT TreeView : public SingleModelViewBase 0045 { 0046 Q_OBJECT 0047 0048 friend class TreeViewItem; 0049 public: 0050 explicit TreeView(QQuickItem* parent = nullptr); 0051 virtual ~TreeView(); 0052 0053 private: 0054 TreeViewPrivate* d_ptr; 0055 Q_DECLARE_PRIVATE(TreeView) 0056 }; 0057 0058 #endif