1 /**********************************************************************************************
2 Copyright (C) 2014 Oliver Eichler <oliver.eichler@gmx.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 3 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, see <http://www.gnu.org/licenses/>.
16
17 **********************************************************************************************/
18
19 #include "gis/CGisWorkspace.h"
20 #include "gis/prj/IGisProject.h"
21 #include "widgets/CHistoryListWidget.h"
22
23 #include "CMainWindow.h"
24
25 #include <QtWidgets>
26
CHistoryListWidget(QWidget * parent)27 CHistoryListWidget::CHistoryListWidget(QWidget* parent)
28 : QListWidget(parent)
29 {
30 setIconSize(QSize(32, 32));
31 setContextMenuPolicy(Qt::CustomContextMenu);
32 connect(this, &CHistoryListWidget::itemSelectionChanged, this, &CHistoryListWidget::slotSelectionChanged);
33 connect(this, &CHistoryListWidget::customContextMenuRequested, this, &CHistoryListWidget::slotContextMenu);
34
35 menu = new QMenu(this);
36
37 actionCutHistoryBefore = menu->addAction(
38 QIcon("://icons/32x32/CutHistoryBefore.png"),
39 tr("Cut history before"),
40 this,
41 &CHistoryListWidget::slotCutHistoryBefore);
42 actionCutHistoryAfter = menu->addAction(
43 QIcon("://icons/32x32/CutHistoryAfter.png"),
44 tr("Cut history after"),
45 this,
46 &CHistoryListWidget::slotCutHistoryAfter);
47 }
48
~CHistoryListWidget()49 CHistoryListWidget::~CHistoryListWidget()
50 {
51 }
52
setupHistory(IGisItem & gisItem)53 void CHistoryListWidget::setupHistory(IGisItem& gisItem)
54 {
55 blockSignals(true);
56 clear();
57
58 key = gisItem.getKey();
59
60 const IGisItem::history_t& history = gisItem.getHistory();
61
62 //for(const IGisItem::history_event_t& event : history.events)
63 for(int i = 0; i < history.events.size(); i++)
64 {
65 const IGisItem::history_event_t& event = history.events[i];
66
67 QString str;
68 QListWidgetItem* item = new QListWidgetItem(this);
69
70 str = event.time.toString();
71 if(!event.who.isEmpty())
72 {
73 str += tr(" by %1").arg(event.who);
74 }
75
76 str += "\n";
77 str += event.comment;
78
79 item->setText(str);
80 item->setIcon(QIcon(event.icon));
81 if(event.data.isEmpty())
82 {
83 item->setFlags(item->flags() & ~Qt::ItemIsEnabled);
84 }
85 }
86
87 if(history.histIdxCurrent < count())
88 {
89 setCurrentItem(item(history.histIdxCurrent));
90 }
91 blockSignals(false);
92 }
93
slotSelectionChanged()94 void CHistoryListWidget::slotSelectionChanged()
95 {
96 IGisItem* item = CGisWorkspace::self().getItemByKey(key);
97 if(nullptr == item)
98 {
99 return;
100 }
101
102 item->loadHistory(currentRow());
103 item->updateDecoration(IGisItem::eMarkChanged, IGisItem::eMarkNone);
104
105 emit sigChanged();
106 }
107
slotContextMenu(const QPoint & point)108 void CHistoryListWidget::slotContextMenu(const QPoint& point)
109 {
110 if ((count() == 0) || (count() == 1)) // nothing can be done if there is 0 (should not happen) or 1 event in history
111 {
112 return;
113 }
114
115 actionCutHistoryBefore->setEnabled(currentRow() > 0);
116 actionCutHistoryAfter->setEnabled(currentRow() < count() - 1);
117
118 QPoint p = mapToGlobal(point);
119 menu->exec(p);
120 }
121
122
slotCutHistoryAfter()123 void CHistoryListWidget::slotCutHistoryAfter()
124 {
125 if(currentRow() == (count() - 1))
126 {
127 return;
128 }
129
130 IGisItem* item = CGisWorkspace::self().getItemByKey(key);
131 if(nullptr == item)
132 {
133 return;
134 }
135
136 item->cutHistoryAfter();
137 item->updateDecoration(IGisItem::eMarkChanged, IGisItem::eMarkNone);
138
139 IGisProject* project = dynamic_cast<IGisProject*>(item->parent());
140 if(project)
141 {
142 project->setChanged();
143 }
144
145 emit sigChanged();
146 }
147
148
149
slotCutHistoryBefore()150 void CHistoryListWidget::slotCutHistoryBefore()
151 {
152 if (currentRow() == 0)
153 {
154 return;
155 }
156
157 IGisItem* item = CGisWorkspace::self().getItemByKey(key);
158 if (nullptr == item)
159 {
160 return;
161 }
162
163 int res = QMessageBox::warning(CMainWindow::getBestWidgetForParent(), tr("History removal")
164 , tr("The removal is permanent and cannot be undone. "
165 "<b>Do you really want to delete history before this step?</b>")
166 , QMessageBox::Yes | QMessageBox::No, QMessageBox::No);
167 if (res == QMessageBox::No)
168 {
169 return;
170 }
171
172 item->cutHistoryBefore();
173 item->updateDecoration(IGisItem::eMarkChanged, IGisItem::eMarkNone);
174
175 IGisProject* project = dynamic_cast<IGisProject*>(item->parent());
176 if (project)
177 {
178 project->setChanged();
179 }
180
181 emit sigChanged();
182 }
183
