Adds the code to make the dive list behave like tree or list

This code adds the possibility to make the DiveList behave
like a Tree or a List, depending on what layout is set.

Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>

qt-ui/divelistview.cpp

@@ -22,6 +22,7 @@ DiveListView::DiveListView(QWidget *parent) : QTreeView(parent), mouseClickSelec
 	setItemDelegateForColumn(TreeItemDT::RATING, new StarWidgetsDelegate());
 	QSortFilterProxyModel *model = new QSortFilterProxyModel(this);
 	setModel(model);
+	setSortingEnabled(false);
 	header()->setContextMenuPolicy(Qt::ActionsContextMenu);
 }
 
@@ -31,7 +32,10 @@ void DiveListView::reload()
 	QAbstractItemModel *oldModel = m->sourceModel();
 	if (oldModel)
 		oldModel->deleteLater();
-	m->setSourceModel(new DiveTripModel(this));
+	DiveTripModel *tripModel = new DiveTripModel(this);
+	tripModel->setLayout(DiveTripModel::LIST);
+
+	m->setSourceModel(tripModel);
 	sortByColumn(0, Qt::DescendingOrder);
 	QModelIndex firstDiveOrTrip = m->index(0,0);
 	if (firstDiveOrTrip.isValid()) {

qt-ui/models.cpp

@@ -1003,7 +1003,6 @@ DiveTripModel::DiveTripModel(QObject* parent) :
 	QAbstractItemModel(parent)
 {
 	rootItem = new TreeItemDT();
-	setupModelData();
 }
 
 DiveTripModel::~DiveTripModel()
@@ -1096,6 +1095,11 @@ void DiveTripModel::setupModelData()
 {
 	int i = dive_table.nr;
 
+	if (rowCount()){
+		beginRemoveRows(QModelIndex(), 0, rowCount()-1);
+		endRemoveRows();
+	}
+
 	while (--i >= 0) {
 		struct dive* dive = get_dive(i);
 		update_cylinder_related_info(dive);
@@ -1104,11 +1108,14 @@ void DiveTripModel::setupModelData()
 		DiveItem* diveItem = new DiveItem();
 		diveItem->dive = dive;
 
-		if (!trip) {
+		if (!trip || currentLayout == LIST) {
 			diveItem->parent = rootItem;
 			rootItem->children.push_back(diveItem);
 			continue;
 		}
+		if (currentLayout == LIST)
+			continue;
+
 		if (!trips.keys().contains(trip)) {
 			TripItem* tripItem  = new TripItem();
 			tripItem->trip = trip;
@@ -1121,4 +1128,20 @@ void DiveTripModel::setupModelData()
 		TripItem* tripItem  = trips[trip];
 		tripItem->children.push_back(diveItem);
 	}
+
+	if (rowCount()){
+		beginInsertRows(QModelIndex(), 0, rowCount()-1);
+		endInsertRows();
+	}
+}
+
+DiveTripModel::Layout DiveTripModel::layout() const
+{
+	return currentLayout;
+}
+
+void DiveTripModel::setLayout(DiveTripModel::Layout layout)
+{
+	currentLayout = layout;
+	setupModelData();
 }

qt-ui/models.h

@@ -144,6 +144,8 @@ class DiveTripModel : public QAbstractItemModel
 	Q_OBJECT
 
 public:
+	enum Layout{TREE, LIST};
+
 	DiveTripModel(QObject *parent = 0);
 	~DiveTripModel();
 
@@ -155,11 +157,14 @@ public:
 	/*reimp*/ QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
 	/*reimp*/ QModelIndex parent(const QModelIndex &child) const;
 
+	Layout layout() const;
+	void setLayout(Layout layout);
 private:
 	void setupModelData();
 
 	TreeItemDT *rootItem;
 	QMap<dive_trip_t*, TripItem*> trips;
+	Layout currentLayout;
 };
 
 #endif