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/*
* divetripmodel.cpp
*
* classes for the dive trip list in Subsurface
*/
#include "divetripmodel.h"
DiveItem::DiveItem(int num, QString dt, float dur, float dep, QString loc, DiveItem *p):
number(num), dateTime(dt), duration(dur), depth(dep), location(loc), parentItem(p)
{
if (parentItem)
parentItem->addChild(this);
}
DiveTripModel::DiveTripModel(const QString &filename, QObject *parent) : QAbstractItemModel(parent), filename(filename)
{
rootItem = new DiveItem;
}
Qt::ItemFlags DiveTripModel::flags(const QModelIndex &index) const
{
Qt::ItemFlags diveFlags = QAbstractItemModel::flags(index);
if (index.isValid()) {
diveFlags |= Qt::ItemIsSelectable|Qt::ItemIsEnabled;
}
return diveFlags;
}
QVariant DiveTripModel::data(const QModelIndex &index, int role) const
{
if (!index.isValid())
return QVariant();
if (role != Qt::DisplayRole)
return QVariant();
DiveItem *item = static_cast<DiveItem*>(index.internalPointer());
QVariant retVal;
switch (index.column()) {
case DIVE_NUMBER:
retVal = QVariant(item->diveNumber());
break;
case DIVE_DATE_TIME:
retVal = QVariant(item->diveDateTime());
break;
case DIVE_DURATION:
retVal = QVariant(item->diveDuration());
break;
case DIVE_DEPTH:
retVal = QVariant(item->diveDepth());
break;
case DIVE_LOCATION:
retVal = QVariant(item->diveLocation());
break;
default:
return QVariant();
};
return retVal;
}
QVariant DiveTripModel::headerData(int section, Qt::Orientation orientation, int role) const
{
if (orientation == Qt::Horizontal && role == Qt::DisplayRole) {
if (section == DIVE_NUMBER) {
return tr("Dive number");
} else if (section == DIVE_DATE_TIME) {
return tr("Date");
} else if (section == DIVE_DURATION) {
return tr("Duration");
} else if (section == DIVE_DEPTH) {
return tr("Depth");
} else if (section == DIVE_LOCATION) {
return tr("Location");
}
}
return QVariant();
}
int DiveTripModel::rowCount(const QModelIndex &parent) const
{
/* only allow kids in column 0 */
if (parent.isValid() && parent.column() > 0){
return 0;
}
DiveItem *item = itemForIndex(parent);
return item ? item->childCount() : 0;
}
int DiveTripModel::columnCount(const QModelIndex &parent) const
{
return parent.isValid() && parent.column() != 0 ? 0 : COLUMNS;
}
QModelIndex DiveTripModel::index(int row, int column, const QModelIndex &parent) const
{
if (!rootItem || row < 0 || column < 0 || column >= COLUMNS ||
(parent.isValid() && parent.column() != 0))
return QModelIndex();
DiveItem *parentItem = itemForIndex(parent);
Q_ASSERT(parentItem);
if (DiveItem *item = parentItem->childAt(row)){
return createIndex(row, column, item);
}
return QModelIndex();
}
QModelIndex DiveTripModel::parent(const QModelIndex &childIndex) const
{
if (!childIndex.isValid())
return QModelIndex();
DiveItem *child = static_cast<DiveItem*>(childIndex.internalPointer());
DiveItem *parent = child->parent();
if (parent == rootItem)
return QModelIndex();
return createIndex(parent->rowOfChild(child), 0, parent);
}
DiveItem* DiveTripModel::itemForIndex(const QModelIndex &index) const
{
if (index.isValid()) {
DiveItem *item = static_cast<DiveItem*>(index.internalPointer());
return item;
}
return rootItem;
}
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