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1 | /* |
2 | * Copyright 2010-2011 Niels Kummerfeldt <niels.kummerfeldt@tu-harburg.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, |
17 | * Boston, MA 02110-1301 USA |
18 | */ |
19 | |
20 | #include "markerlayer.h" |
21 | |
22 | #include "mapwidget.h" |
23 | |
24 | #include <QtCore/QSettings> |
25 | |
26 | MarkerLayer::MarkerLayer(MapWidget *map) : |
27 | AbstractLayer(map), |
28 | m_markerPos(), |
29 | m_markerName(), |
30 | m_filename() |
31 | { |
32 | } |
33 | |
34 | MarkerLayer::~MarkerLayer() |
35 | { |
36 | QSettings set(m_filename, QSettings::NativeFormat); |
37 | |
38 | set.beginGroup("marker"); |
39 | set.remove(""); |
40 | for (int i = 0; i < m_markerPos.count(); ++i) { |
41 | set.setValue(m_markerName.at(i), m_markerPos.at(i)); |
42 | } |
43 | set.endGroup(); |
44 | } |
45 | |
46 | void MarkerLayer::load(const QString &filename) |
47 | { |
48 | m_filename = filename; |
49 | |
50 | QSettings set(filename, QSettings::NativeFormat); |
51 | |
52 | set.beginGroup("marker"); |
53 | QStringList m = set.childKeys(); |
54 | foreach (const QString &marker, m) { |
55 | QPointF pos = set.value(marker).toPointF(); |
56 | m_markerPos << pos; |
57 | m_markerName << marker; |
58 | emit markerAdded(marker); |
59 | } |
60 | set.endGroup(); |
61 | } |
62 | |
63 | void MarkerLayer::keyPressed(QKeyEvent *event) |
64 | { |
65 | if (event->key() == Qt::Key_M) { |
66 | if (event->modifiers() == Qt::NoModifier) { |
67 | int n = 0; |
68 | if (!m_markerName.isEmpty()) { |
69 | n = m_markerName.last().toInt(); |
70 | } |
71 | QString newName = QString::number(n+1); |
72 | |
73 | m_markerPos << map()->geoPos(); |
74 | m_markerName << newName; |
75 | emit markerAdded(newName); |
76 | } else if (event->modifiers() == Qt::AltModifier) { |
77 | toggleVisibility(); |
78 | } |
79 | } |
80 | } |
81 | |
82 | void MarkerLayer::paint(QPainter *painter) |
83 | { |
84 | int i = 0; |
85 | painter->setBrush(QBrush(QColor(255, 237, 60))); |
86 | QFontMetrics fm(painter->font()); |
87 | int h = fm.height() / 2; |
88 | foreach (const QPointF &m, m_markerPos) { |
89 | QPoint pos = map()->geo2screen(m.x(), m.y()); |
90 | int w = fm.width(m_markerName.at(i)) / 2; |
91 | QRect rect(pos.x() - w - 2, pos.y() - h - 11, 2*w + 4, 2*h); |
92 | QPolygon polygon; |
93 | polygon << pos; |
94 | polygon << pos + QPoint(-2, -5); |
95 | polygon << rect.bottomLeft(); |
96 | polygon << rect.topLeft(); |
97 | polygon << rect.topRight(); |
98 | polygon << rect.bottomRight(); |
99 | polygon << pos + QPoint(2, -5); |
100 | polygon << pos; |
101 | painter->drawPolygon(polygon); |
102 | painter->drawText(rect, Qt::AlignCenter, m_markerName.at(i)); |
103 | ++i; |
104 | } |
105 | } |
106 | |
107 | void MarkerLayer::removeMarker(int index) |
108 | { |
109 | if (index >= 0 && m_markerPos.count() > index) { |
110 | m_markerPos.removeAt(index); |
111 | m_markerName.removeAt(index); |
112 | map()->update(); |
113 | } |
114 | } |
115 | |
116 | void MarkerLayer::renameMarker(int index, const QString &name) |
117 | { |
118 | if (index >= 0 && m_markerName.count() > index) { |
119 | m_markerName.replace(index, name); |
120 | } |
121 | } |
122 | |
123 | void MarkerLayer::centerOnMarker(int index) |
124 | { |
125 | if (index >= 0 && m_markerPos.count() > index) { |
126 | qreal lon = m_markerPos.at(index).x(); |
127 | qreal lat = m_markerPos.at(index).y(); |
128 | |
129 | map()->centerOnGeoPos(lon, lat); |
130 | } |
131 | } |
132 | |
133 |
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