1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2016 Jochen Becher 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of Qt Creator. 7 ** 8 ** Commercial License Usage 9 ** Licensees holding valid commercial Qt licenses may use this file in 10 ** accordance with the commercial license agreement provided with the 11 ** Software or, alternatively, in accordance with the terms contained in 12 ** a written agreement between you and The Qt Company. For licensing terms 13 ** and conditions see https://www.qt.io/terms-conditions. For further 14 ** information use the contact form at https://www.qt.io/contact-us. 15 ** 16 ** GNU General Public License Usage 17 ** Alternatively, this file may be used under the terms of the GNU 18 ** General Public License version 3 as published by the Free Software 19 ** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT 20 ** included in the packaging of this file. Please review the following 21 ** information to ensure the GNU General Public License requirements will 22 ** be met: https://www.gnu.org/licenses/gpl-3.0.html. 23 ** 24 ****************************************************************************/ 25 26 #pragma once 27 28 #include <QList> 29 30 namespace qmt { 31 32 template<class T> 33 class Container 34 { 35 protected: 36 Container() = default; Container(const Container<T> & rhs)37 Container(const Container<T> &rhs) 38 : m_elements(rhs.m_elements) 39 { 40 rhs.m_elements.clear(); 41 } 42 43 public: ~Container()44 ~Container() 45 { 46 qDeleteAll(m_elements); 47 } 48 49 Container &operator=(const Container<T> &rhs) 50 { 51 if (this != &rhs) { 52 qDeleteAll(m_elements); 53 m_elements = rhs.m_elements; 54 rhs.m_elements.clear(); 55 } 56 return *this; 57 } 58 isEmpty()59 bool isEmpty() const { return m_elements.empty(); } size()60 int size() const { return m_elements.size(); } elements()61 QList<T *> elements() const { return m_elements; } 62 takeElements()63 QList<T *> takeElements() const 64 { 65 QList<T *> elements = m_elements; 66 m_elements.clear(); 67 return elements; 68 } 69 submitElements(const QList<T * > & elements)70 void submitElements(const QList<T *> &elements) 71 { 72 qDeleteAll(m_elements); 73 m_elements = elements; 74 } 75 reset()76 void reset() 77 { 78 qDeleteAll(m_elements); 79 m_elements.clear(); 80 } 81 submit(T * element)82 void submit(T *element) 83 { 84 m_elements.append(element); 85 } 86 87 private: 88 mutable QList<T *> m_elements; 89 }; 90 91 } // namespace qmt 92