PublicationDashboardWindow::PublicationDashboardWindow(const QString &csv_filename) {
PublicationParser parser;
try {
records = parser.parse(csv_filename);
} catch (const std::exception &e) {
qDebug() << e.what();
QMessageBox::critical(this, "Error", "A fatal error occurred while parsing the CSV file");
exit(1);
}
if (records.empty()) {
QMessageBox::critical(this, "Error", "The CSV file has no records");
exit(1);
}
ui.treeWidget->setHeaderLabels(QStringList() <<
"" << "Publication Type" << "Faculty Name" << "Title" << "Total #" << "");
ui.titleLabel->setText("Publication Summary, Department of " + records[0].primaryDomain);
ui.statusbar->showMessage("Read " + QString::number(records.size()) + " records from " + csv_filename);
setWindowTitle("Publication - " + records[0].primaryDomain + " - " + csv_filename);
QPair<QDate, QDate> dateInterval = findDateRange(records);
ui.startDateSelector->setDate(dateInterval.first);
ui.endDateSelector->setDate(dateInterval.second);
updateDateLabel();
updateTreeWidget();
}
// Search for the item specified by index and ensure the item is visible.
bool ObxTreeView::select(const QModelIndex & index)
{
selected_ = -1;
for(int i = 0; i < all_items_.size(); ++i)
{
if (all_items_.at(i)->index() == index)
{
selected_ = i;
break;
}
}
if (selected_ < 0)
{
return false;
}
// Update tree widget if necessary.
int new_page = selected_ / itemsPerPage() + 1;
first_visible_ = (new_page - 1) * items_per_page_;
if (isVisible())
{
updateTreeWidget();
reportPosition();
}
return true;
}
void ObxTreeView::setModel(QStandardItemModel * model)
{
header_bar_.setModel(model);
model_ = model;
all_items_.clear();
setupInternalModel(model_, model_->invisibleRootItem(), -1);
if (isVisible())
{
updateTreeWidget();
reportPosition();
}
}
void ObxTreeView::resizeEvent(QResizeEvent *)
{
// Need to calculate the first_visible according to the select item.
if (selected_ < 0)
{
selected_ = 0;
}
first_visible_ = selected_ / itemsPerPage() * itemsPerPage();
updateTreeWidget();
updateLayout(itemsPerPage());
reportPosition();
}
bool ObxTreeView::jumpToPage(int page)
{
if (page < 1 || page > pages() || page == currentPage())
{
return false;
}
first_visible_ = (page - 1)* items_per_page_;
selected_ = first_visible_;
updateTreeWidget();
reportPosition();
return true;
}
bool DuokanTreeView::pageDown()
{
int new_pos = first_visible_ + items_per_page_;
if (new_pos >= all_items_.size())
{
emit exceed(false);
return false;
}
first_visible_ = new_pos;
selected_ = first_visible_;
updateTreeWidget();
reportPosition();
return true;
}
PublicationDashboardWindow::PublicationDashboardWindow(QList<PublicationRecord> records, const QString &csv_filename) {
this->records = records;
ui.treeWidget->setHeaderLabels(QStringList() <<
"" << "Publication Type" << "Faculty Name" << "Title" << "Total #" << "");
ui.titleLabel->setText("Publication Summary, Department of " + records[0].primaryDomain);
ui.statusbar->showMessage("Read " + QString::number(records.size()) + " records from " + csv_filename);
setWindowTitle("Publication - " + records[0].primaryDomain + " - " + csv_filename);
QPair<QDate, QDate> dateInterval = findDateRange(records);
ui.startDateSelector->setDate(dateInterval.first);
ui.endDateSelector->setDate(dateInterval.second);
updateDateLabel();
updateTreeWidget();
}
bool DuokanTreeView::pageUp()
{
if (first_visible_ <= 0)
{
emit exceed(true);
return false;
}
first_visible_ -= items_per_page_;
if (first_visible_ < 0)
{
first_visible_ = 0;
}
selected_ = first_visible_;
updateTreeWidget();
reportPosition();
return true;
}
bool ObxTreeView::pageDown()
{
int new_pos = first_visible_ + items_per_page_;
if (new_pos >= all_items_.size())
{
emit exceed(false);
if (selected_ < all_items_.size() - 1)
{
navigate(all_items_.size() - 1 - selected_);
}
return false;
}
first_visible_ = new_pos;
selected_ = first_visible_;
updateTreeWidget();
reportPosition();
return true;
}
bool ObxTreeView::navigate(int offset)
{
// Check new position is valid or not.
int new_select = selected_ + offset;
if (new_select < 0 ||
new_select >= all_items_.size())
{
return false;
}
bool page_changed = false;
selected_ = new_select;
if (new_select < first_visible_)
{
first_visible_ -= itemsPerPage();
page_changed = true;
}
else if (new_select >= first_visible_ + itemsPerPage())
{
first_visible_ += itemsPerPage();
page_changed = true;
}
updateTreeWidget();
if (page_changed)
{
reportPosition();
}
else
{
onyx::screen::instance().flush();
onyx::screen::instance().updateWidget(
this,
onyx::screen::ScreenProxy::DW,
false,
onyx::screen::ScreenCommand::WAIT_ALL);
}
return true;
}
void ObxTreeView::onItemClicked(ObxTreeViewItem *item)
{
if (item->data() == 0)
{
return;
}
// Disable screen update now.
onyx::screen::instance().enableUpdate(false);
// Make the node selected.
if (selectItem(item))
{
updateTreeWidget();
onyx::screen::instance().flush(
this,
onyx::screen::ScreenProxy::DW,
false,
onyx::screen::ScreenCommand::WAIT_ALL);
}
onyx::screen::instance().enableUpdate(true);
activate();
}
void DashboardWindow::on_dateFilterButton_clicked() {
updateDateLabel();
updateTreeWidget();
}
