1 /**********************************************************************************************
2     Copyright (C) 2017 Norbert Truchsess <norbert.truchsess@t-online.de>
3 
4     This program is free software; you can redistribute it and/or modify
5     it under the terms of the GNU General Public License as published by
6     the Free Software Foundation; either version 2 of the License, or
7     (at your option) any later version.
8 
9     This program is distributed in the hope that it will be useful,
10     but WITHOUT ANY WARRANTY; without even the implied warranty of
11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12     GNU General Public License for more details.
13 
14     You should have received a copy of the GNU General Public License
15     along with this program; if not, write to the Free Software
16     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 
18 **********************************************************************************************/
19 
20 #ifndef CSELECTDOUBLELISTWIDGET_H
21 #define CSELECTDOUBLELISTWIDGET_H
22 
23 #include "ui_ISelectDoubleListWidget.h"
24 
25 class CSelectDoubleListWidget : public QWidget, private Ui::ISelectDoubleListWidget
26 {
27     Q_OBJECT
28 public:
29     class IItemFilter
30     {
31 public:
32         virtual bool shouldBeMoved(QListWidgetItem* item) = 0;
33     };
34 
35     CSelectDoubleListWidget(QWidget* parent, IItemFilter* filter = nullptr);
36     virtual ~CSelectDoubleListWidget();
37 
38     void setAvailable(const QList<QListWidgetItem*>& available);
39     void setSelected(const QList<QListWidgetItem*>& selected) const;
40     void setLabelAvailable(const QString& label) const;
41     void setLabelSelected(const QString& label) const;
42     void setFilter(IItemFilter* const& filter);
43     const QList<QListWidgetItem*> selected() const;
44     void clear();
45 
46     void sortAvailable();
47 
48 private slots:
49     void slotSelectedClicked(const QModelIndex& index) const;
50     void slotAvailableClicked(const QModelIndex& index) const;
51     void slotAdd() const;
52     void slotRemove() const;
53     void slotUp() const;
54     void slotDown() const;
55 
56 private:
57     void updateButtons() const;
58 
59     QList<QListWidgetItem*> available;
60     IItemFilter* filter;
61 };
62 #endif //CSELECTDOUBLELISTWIDGET_H
63