Move Tankinfomodel to its own file

Another change to make it easier to program the mobile ui. This was a
fairly easy patch: just moved the contents of the file and fixed the
includes.

Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

qt-models/tankinfomodel.cpp

@@ -0,0 +1,115 @@
+#include "tankinfomodel.h"
+#include "dive.h"
+#include "gettextfromc.h"
+#include "metrics.h"
+
+TankInfoModel *TankInfoModel::instance()
+{
+	static QScopedPointer<TankInfoModel> self(new TankInfoModel());
+	return self.data();
+}
+
+const QString &TankInfoModel::biggerString() const
+{
+	return biggerEntry;
+}
+
+bool TankInfoModel::insertRows(int row, int count, const QModelIndex &parent)
+{
+	beginInsertRows(parent, rowCount(), rowCount());
+	rows += count;
+	endInsertRows();
+	return true;
+}
+
+bool TankInfoModel::setData(const QModelIndex &index, const QVariant &value, int role)
+{
+	struct tank_info_t *info = &tank_info[index.row()];
+	switch (index.column()) {
+	case DESCRIPTION:
+		info->name = strdup(value.toByteArray().data());
+		break;
+	case ML:
+		info->ml = value.toInt();
+		break;
+	case BAR:
+		info->bar = value.toInt();
+		break;
+	}
+	emit dataChanged(index, index);
+	return true;
+}
+
+void TankInfoModel::clear()
+{
+}
+
+QVariant TankInfoModel::data(const QModelIndex &index, int role) const
+{
+	QVariant ret;
+	if (!index.isValid()) {
+		return ret;
+	}
+	if (role == Qt::FontRole) {
+		return defaultModelFont();
+	}
+	if (role == Qt::DisplayRole || role == Qt::EditRole) {
+		struct tank_info_t *info = &tank_info[index.row()];
+		int ml = info->ml;
+		double bar = (info->psi) ? psi_to_bar(info->psi) : info->bar;
+
+		if (info->cuft && info->psi)
+			ml = cuft_to_l(info->cuft) * 1000 / bar_to_atm(bar);
+
+		switch (index.column()) {
+		case BAR:
+			ret = bar * 1000;
+			break;
+		case ML:
+			ret = ml;
+			break;
+		case DESCRIPTION:
+			ret = QString(info->name);
+			break;
+		}
+	}
+	return ret;
+}
+
+int TankInfoModel::rowCount(const QModelIndex &parent) const
+{
+	return rows + 1;
+}
+
+TankInfoModel::TankInfoModel() : rows(-1)
+{
+	setHeaderDataStrings(QStringList() << tr("Description") << tr("ml") << tr("bar"));
+	struct tank_info_t *info = tank_info;
+	for (info = tank_info; info->name; info++, rows++) {
+		QString infoName = gettextFromC::instance()->tr(info->name);
+		if (infoName.count() > biggerEntry.count())
+			biggerEntry = infoName;
+	}
+
+	if (rows > -1) {
+		beginInsertRows(QModelIndex(), 0, rows);
+		endInsertRows();
+	}
+}
+
+void TankInfoModel::update()
+{
+	if (rows > -1) {
+		beginRemoveRows(QModelIndex(), 0, rows);
+		endRemoveRows();
+		rows = -1;
+	}
+	struct tank_info_t *info = tank_info;
+	for (info = tank_info; info->name; info++, rows++)
+		;
+
+	if (rows > -1) {
+		beginInsertRows(QModelIndex(), 0, rows);
+		endInsertRows();
+	}
+}