Mercurial > bmsapp / file comparison

comparison: src/ChartiSpindel.cpp

src/ChartiSpindel.cpp

changeset 494
49ac23d25f61
parent 438
e06b04ef1579
child 498
c6f957fa7442
equal deleted inserted replaced
493:520306773450 494:49ac23d25f61
21 21
22 ChartiSpindel::ChartiSpindel(QString code, QString name, QWidget *parent) : QDialog(parent) 22 ChartiSpindel::ChartiSpindel(QString code, QString name, QWidget *parent) : QDialog(parent)
23 { 23 {
24 QSqlQuery query; 24 QSqlQuery query;
25 double timestamp; 25 double timestamp;
26 double sg_min = 1.2, sg_max = 0.8, sg;
27 double temp_min = 100, temp_max = 0, temp;
28 double batt_min = 4.5, batt_max = 3.0, batt;
26 29
27 qDebug() << "ChartiSpindel:" << code << name; 30 qDebug() << "ChartiSpindel:" << code << name;
28 31
29 QDialog* dialog = new QDialog(parent); 32 QDialog* dialog = new QDialog(parent);
30 dialog->setWindowTitle(tr("BMSapp - iSpindel ") + "\"" + name + "\""); 33 dialog->setWindowTitle(tr("BMSapp - iSpindel ") + "\"" + name + "\"");
51 query.prepare("SELECT * FROM log_ispindel WHERE code=:code ORDER BY datetime"); 54 query.prepare("SELECT * FROM log_ispindel WHERE code=:code ORDER BY datetime");
52 query.bindValue(":code", code); 55 query.bindValue(":code", code);
53 query.exec(); 56 query.exec();
54 while (query.next()) { 57 while (query.next()) {
55 timestamp = query.value("datetime").toDateTime().toSecsSinceEpoch() * 1000; 58 timestamp = query.value("datetime").toDateTime().toSecsSinceEpoch() * 1000;
56 temperature->append(timestamp, query.value("temperature").toDouble()); 59
57 density->append(timestamp, query.value("sg").toDouble()); 60 sg = query.value("sg").toDouble();
58 battery ->append(timestamp, round(query.value("battery").toDouble() * 500) / 500); 61 if ((ceil(sg * 100) / 100) > sg_max)
62 sg_max = ceil(sg * 100) / 100;
63 if ((floor(sg * 100) / 100) < sg_min)
64 sg_min = floor(sg * 100) / 100;
65
66 temp = query.value("temperature").toDouble();
67 if (ceil(temp) > temp_max)
68 temp_max = ceil(temp);
69 if (floor(temp) < temp_min)
70 temp_min = floor(temp);
71
72 batt = round(query.value("battery").toDouble() * 500) / 500;
73 if ((ceil(batt * 10) / 10) > batt_max)
74 batt_max = ceil(batt * 10) / 10;
75 if ((floor(batt * 10) / 10) < batt_min)
76 batt_min = floor(batt * 10) / 10;
77
78 temperature->append(timestamp, temp);
79 density->append(timestamp, sg);
80 battery ->append(timestamp, batt);
59 } 81 }
60 82
61 temperature->setName(tr("Temperature")); 83 temperature->setName(tr("Temperature"));
62 temperature->setColor(QColorConstants::Svg::red); 84 temperature->setColor(QColorConstants::Svg::red);
63 density->setName(tr("SG")); 85 density->setName(tr("SG"));
82 battery->attachAxis(axisX); 104 battery->attachAxis(axisX);
83 temperature->attachAxis(axisX); 105 temperature->attachAxis(axisX);
84 density->attachAxis(axisX); 106 density->attachAxis(axisX);
85 107
86 QValueAxis *axisYT = new QValueAxis; 108 QValueAxis *axisYT = new QValueAxis;
109 axisYT->setRange(temp_min, temp_max);
87 axisYT->setTickCount(10); 110 axisYT->setTickCount(10);
88 axisYT->setLabelFormat("%.1f"); 111 axisYT->setLabelFormat("%.1f");
89 axisYT->setTitleText(tr("Temperature °C")); 112 axisYT->setTitleText(tr("Temperature °C"));
90 axisYT->setLabelsFont(QFont("Helvetica", 8, QFont::Normal)); 113 axisYT->setLabelsFont(QFont("Helvetica", 8, QFont::Normal));
91 chart->addAxis(axisYT, Qt::AlignRight); 114 chart->addAxis(axisYT, Qt::AlignRight);
92 temperature->attachAxis(axisYT); 115 temperature->attachAxis(axisYT);
93 116
94 QValueAxis *axisYD = new QValueAxis; 117 QValueAxis *axisYD = new QValueAxis;
118 axisYD->setRange(sg_min, sg_max);
95 axisYD->setTickCount(10); 119 axisYD->setTickCount(10);
96 axisYD->setLabelFormat("%.3f"); 120 axisYD->setLabelFormat("%.3f");
97 axisYD->setTitleText("SG"); 121 axisYD->setTitleText("SG");
98 axisYD->setLabelsFont(QFont("Helvetica", 8, QFont::Normal)); 122 axisYD->setLabelsFont(QFont("Helvetica", 8, QFont::Normal));
99 chart->addAxis(axisYD, Qt::AlignLeft); 123 chart->addAxis(axisYD, Qt::AlignLeft);
100 density->attachAxis(axisYD); 124 density->attachAxis(axisYD);
101 125
102 QValueAxis *axisYB = new QValueAxis; 126 QValueAxis *axisYB = new QValueAxis;
127 axisYB->setRange(batt_min, batt_max);
103 axisYB->setTickCount(10); 128 axisYB->setTickCount(10);
104 axisYB->setLabelFormat("%.2f"); 129 axisYB->setLabelFormat("%.2f");
105 axisYB->setTitleText(tr("Battery volt")); 130 axisYB->setTitleText(tr("Battery volt"));
106 axisYB->setLabelsFont(QFont("Helvetica", 8, QFont::Normal)); 131 axisYB->setLabelsFont(QFont("Helvetica", 8, QFont::Normal));
107 chart->addAxis(axisYB, Qt::AlignRight); 132 chart->addAxis(axisYB, Qt::AlignRight);
129 ChartiSpindel::~ChartiSpindel() {} 154 ChartiSpindel::~ChartiSpindel() {}
130 155
131 156
132 void ChartiSpindel::savePNG() 157 void ChartiSpindel::savePNG()
133 { 158 {
134 QString path = QFileDialog::getSaveFileName(this, tr("Save Image"), QDir::homePath() + "/ispindel.png", tr("Image (*.png)")); 159 QSettings settings(QSettings::IniFormat, QSettings::UserScope, "mbse", "bmsapp");
160 QString dirName;
161
162 /*
163 * First check if the directory stored in the settings file exists.
164 * It might be on a removable media that was last used ...
165 * If so, fallback to the user's home directory.
166 */
167 dirName = settings.value("paths/download").toString();
168 if (! QDir(dirName).exists()) {
169 dirName = QDir::homePath();
170 }
171
172 QString path = QFileDialog::getSaveFileName(this, tr("Save Image"), dirName + "/ispindel.png", tr("Image (*.png)"));
135 if (path.isEmpty()) { 173 if (path.isEmpty()) {
136 QMessageBox::warning(this, tr("Save File"), tr("No image file selected.")); 174 QMessageBox::warning(this, tr("Save File"), tr("No image file selected."));
137 return; 175 return;
138 } 176 }
177
178 /*
179 * Update to current selected path
180 */
181 settings.setValue("paths/download", QFileInfo(path).absolutePath());
139 182
140 QImage img((chartView->size()), QImage::Format_ARGB32); 183 QImage img((chartView->size()), QImage::Format_ARGB32);
141 QPainter painter; 184 QPainter painter;
142 painter.begin(&img); 185 painter.begin(&img);
143 chartView->render(&painter); 186 chartView->render(&painter);
159 t_tooltip->setSeries(series); 202 t_tooltip->setSeries(series);
160 if (series == temperature) 203 if (series == temperature)
161 t_tooltip->setText(QString(tr("%1\nTemperature %2°C")).arg(timeis.toString("dd-MM-yyyy hh:mm")).arg(point.y(), 2, 'f', 1)); 204 t_tooltip->setText(QString(tr("%1\nTemperature %2°C")).arg(timeis.toString("dd-MM-yyyy hh:mm")).arg(point.y(), 2, 'f', 1));
162 else if (series == density) 205 else if (series == density)
163 t_tooltip->setText(QString(tr("%1\nDensity %2 SG")).arg(timeis.toString("dd-MM-yyyy hh:mm")).arg(point.y(), 5, 'f', 4)); 206 t_tooltip->setText(QString(tr("%1\nDensity %2 SG")).arg(timeis.toString("dd-MM-yyyy hh:mm")).arg(point.y(), 5, 'f', 4));
164 else if (series == battery) 207 else if (series == battery) {
165 t_tooltip->setText(QString(tr("%1\nBattery %2 volt")).arg(timeis.toString("dd-MM-yyyy hh:mm")).arg(point.y(), 3, 'f', 2)); 208 double batt = point.y() - 3.064; /* 0% */
209 if (batt < 0)
210 batt = 0;
211 batt = round(batt / 1.17875 * 1000.0) / 10; /* 100% range */
212 if (batt > 100)
213 batt = 100;
214 t_tooltip->setText(QString(tr("%1\nBattery %2 volt\nCapacity %3%")).arg(timeis.toString("dd-MM-yyyy hh:mm"))
215 .arg(point.y(), 3, 'f', 2).arg(batt, 2, 'f', 1, '0'));
216 }
166 t_tooltip->setAnchor(point); 217 t_tooltip->setAnchor(point);
167 t_tooltip->setZValue(11); 218 t_tooltip->setZValue(11);
168 t_tooltip->updateGeometry(); 219 t_tooltip->updateGeometry();
169 t_tooltip->show(); 220 t_tooltip->show();
170 } else { 221 } else {

Mercurial Repository: bmsapp

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