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#include "sessiontreemodel.h"
#include <QFileInfo>
#include <QIcon>
#include <QResource>
#include <QString>
#include "sessiontreeitem.h"
SessionTreeModel::SessionTreeModel(QObject *parent)
: QAbstractItemModel(parent) {
root_ = new SessionTreeItem("dummy");
}
SessionTreeModel::~SessionTreeModel() {
delete root_;
}
int SessionTreeModel::columnCount(const QModelIndex& /*parent*/) const {
return 1;
}
int SessionTreeModel::rowCount(const QModelIndex &parent) const {
SessionTreeItem* parentItem;
if (parent.column() > 0) {
return 0;
}
if (!parent.isValid()) {
parentItem = root_;
} else {
parentItem = static_cast<SessionTreeItem*>(parent.internalPointer());
}
return parentItem->childCount();
}
QVariant SessionTreeModel::data(const QModelIndex &index, int role) const {
if (!index.isValid()) {
return QVariant();
}
SessionTreeItem* item =
static_cast<SessionTreeItem*>(index.internalPointer());
const Session* s = item->session();
if (s) {
if (role == Qt::DisplayRole)
return s->shortDescription();
if (role == Qt::ToolTipRole)
return s->description();
if (role == Qt::DecorationRole) {
// TODO: use cache for icons
if (index.column() == 0) { // TODO: is this line needed?
QString icon(s->icon());
if (QFileInfo(icon).isAbsolute()) {
// try to load icon from file
return QIcon(icon);
} else {
// try to load icon from QResource
if (QResource(":" + icon.toLower() + ".svg").isValid()) {
return QIcon(":" + icon.toLower() + ".svg");
} else if (QResource(":" + icon.toLower()).isValid()) {
return QIcon(":" + icon.toLower());
} else {
return QIcon(":none");
}
}
}
}
} else if (role == Qt::DisplayRole) {
// this is a section item (X Sessions / Virtual Sessions)
return item->text();
}
return QVariant();
}
Qt::ItemFlags SessionTreeModel::flags(const QModelIndex &index) const {
if (!index.isValid()) {
return 0;
}
SessionTreeItem* item =
static_cast<SessionTreeItem*>(index.internalPointer());
if (item->session()) {
return Qt::ItemIsEnabled | Qt::ItemIsSelectable;
} else {
return Qt::ItemIsEnabled;
}
}
QVariant SessionTreeModel::headerData(int /*section*/,
Qt::Orientation /*orientation*/,
int /*role*/) const {
return QVariant();
}
QModelIndex SessionTreeModel::index(int row, int column,
const QModelIndex &parent) const {
if (!hasIndex(row, column, parent)) {
return QModelIndex();
}
SessionTreeItem *parentItem;
if (!parent.isValid()) {
parentItem = root_;
} else {
parentItem = static_cast<SessionTreeItem*>(parent.internalPointer());
}
SessionTreeItem *childItem = parentItem->child(row);
if (childItem) {
return createIndex(row, column, childItem);
} else {
return QModelIndex();
}
}
QModelIndex SessionTreeModel::parent(const QModelIndex &index) const {
if (!index.isValid()) {
return QModelIndex();
}
SessionTreeItem *childItem =
static_cast<SessionTreeItem*>(index.internalPointer());
SessionTreeItem *parentItem = childItem->parent();
if (parentItem == root_) {
return QModelIndex();
}
return createIndex(parentItem->row(), 0, parentItem);
}
void SessionTreeModel::addItems(const QList<Session*>& sessions,
const QString& section) {
SessionTreeItem* parentItem;
bool sectionExists = false;
for (int i = 0; i < root_->childCount(); ++i) {
SessionTreeItem* item = root_->child(i);
if (item->text() == section) {
parentItem = item;
sectionExists = true;
break;
}
}
if (!sectionExists) {
parentItem = new SessionTreeItem(section, root_);
root_->appendChild(parentItem);
}
foreach (Session* s, sessions) {
parentItem->appendChild(new SessionTreeItem(s, parentItem));
}
}
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