/
mainwindow.cpp
1678 lines (1527 loc) · 61.7 KB
/
mainwindow.cpp
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/*
* Copyright (C) 2015-2018 Olzhas Rakhimov
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/// @file
#include "mainwindow.h"
#include "ui_mainwindow.h"
#include "ui_namedialog.h"
#include "ui_startpage.h"
#include <algorithm>
#include <sstream>
#include <type_traits>
#include <QApplication>
#include <QCoreApplication>
#include <QFileDialog>
#include <QMessageBox>
#include <QPrinter>
#include <QProgressDialog>
#include <QSvgGenerator>
#include <QtConcurrent>
#include <QtOpenGL>
#include <boost/exception/get_error_info.hpp>
#include <boost/filesystem.hpp>
#include "src/env.h"
#include "src/error.h"
#include "src/expression/constant.h"
#include "src/expression/exponential.h"
#include "src/ext/algorithm.h"
#include "src/ext/find_iterator.h"
#include "src/ext/variant.h"
#include "src/initializer.h"
#include "src/project.h"
#include "src/reporter.h"
#include "src/serialization.h"
#include "src/xml.h"
#include "diagram.h"
#include "elementcontainermodel.h"
#include "eventdialog.h"
#include "guiassert.h"
#include "importancetablemodel.h"
#include "modeltree.h"
#include "preferencesdialog.h"
#include "printable.h"
#include "producttablemodel.h"
#include "reporttree.h"
#include "settingsdialog.h"
#include "translate.h"
#include "validator.h"
namespace scram::gui {
/// The dialog to set the model name.
class NameDialog : public QDialog, public Ui::NameDialog
{
public:
/// @param[in,out] parent The owner widget.
explicit NameDialog(QWidget *parent) : QDialog(parent)
{
setupUi(this);
nameLine->setValidator(Validator::name());
}
};
/// The initial start tab.
class StartPage : public QWidget, public Ui::StartPage
{
public:
/// @param[in,out] parent The owner widget.
explicit StartPage(QWidget *parent = nullptr) : QWidget(parent)
{
setupUi(this);
}
};
/// The dialog to block user input while waiting for a long-running process.
class WaitDialog : public QProgressDialog
{
public:
/// @param[in,out] parent The owner widget.
explicit WaitDialog(QWidget *parent) : QProgressDialog(parent)
{
setFixedSize(size());
setWindowFlags(windowFlags() | Qt::MSWindowsFixedSizeDialogHint
| Qt::FramelessWindowHint);
setCancelButton(nullptr);
setRange(0, 0);
setMinimumDuration(0);
}
private:
/// Intercepts disruptive keyboard presses.
void keyPressEvent(QKeyEvent *event) override
{
if (event->key() == Qt::Key_Escape)
return event->accept();
QProgressDialog::keyPressEvent(event);
}
};
/// The default view for graphics views (e.g., fault tree diagram).
class DiagramView : public ZoomableView, public Printable
{
public:
using ZoomableView::ZoomableView;
/// Exports the image of the diagram.
void exportAs()
{
QString filename = QFileDialog::getSaveFileName(
this, _("Export As"), QDir::homePath(),
_("SVG files (*.svg);;All files (*.*)"));
QSize sceneSize = scene()->sceneRect().size().toSize();
QSvgGenerator generator;
generator.setFileName(filename);
generator.setSize(sceneSize);
generator.setViewBox(
QRect(0, 0, sceneSize.width(), sceneSize.height()));
generator.setTitle(filename);
QPainter painter;
painter.begin(&generator);
scene()->render(&painter);
painter.end();
}
private:
void doPrint(QPrinter *printer) override
{
QPainter painter(printer);
painter.setRenderHint(QPainter::Antialiasing);
scene()->render(&painter);
}
};
MainWindow::MainWindow(QWidget *parent)
: QMainWindow(parent), ui(new Ui::MainWindow),
m_undoStack(new QUndoStack(this)),
m_zoomBox(new QComboBox), // Will be owned by the tool bar later.
m_autoSaveTimer(new QTimer(this))
{
ui->setupUi(this);
m_zoomBox->setEditable(true);
m_zoomBox->setEnabled(false);
m_zoomBox->setInsertPolicy(QComboBox::NoInsert);
m_zoomBox->setValidator(Validator::percent());
for (QAction *action : ui->menuZoom->actions()) {
m_zoomBox->addItem(action->text());
connect(action, &QAction::triggered, m_zoomBox,
[action, this] { m_zoomBox->setCurrentText(action->text()); });
}
m_zoomBox->setCurrentText(QStringLiteral("100%"));
ui->zoomToolBar->addWidget(m_zoomBox); // Transfer the ownership.
setupStatusBar();
setupActions();
setupConnections();
loadPreferences();
setupStartPage();
}
MainWindow::~MainWindow() = default;
namespace { // Error message dialog for SCRAM exceptions.
void displayError(const scram::IOError &err, const QString &text,
QWidget *parent = nullptr)
{
QMessageBox message(QMessageBox::Critical, _("IO Error"), text,
QMessageBox::Ok, parent);
const std::string *filename =
boost::get_error_info<boost::errinfo_file_name>(err);
GUI_ASSERT(filename, );
message.setInformativeText(
_("File: %1").arg(QString::fromStdString(*filename)));
std::stringstream detail;
if (const std::string *mode =
boost::get_error_info<boost::errinfo_file_open_mode>(err)) {
detail << "Open mode: " << *mode << "\n";
}
if (const int *errnum = boost::get_error_info<boost::errinfo_errno>(err)) {
detail << "Error code: " << *errnum << "\n";
detail << "Error string: " << std::strerror(*errnum) << "\n";
}
detail << "\n" << err.what() << std::endl;
message.setDetailedText(QString::fromStdString(detail.str()));
message.exec();
}
template <class Tag>
void displayErrorInfo(QString tag_string, const scram::Error &err,
QString *info)
{
if (const auto *value = boost::get_error_info<Tag>(err)) {
std::stringstream ss;
ss << *value;
auto value_string = QString::fromStdString(ss.str());
//: Error information tag and its value.
info->append(_("%1: %2").arg(tag_string, value_string));
info->append(QStringLiteral("\n"));
}
}
void displayError(const scram::Error &err, const QString &title,
const QString &text, QWidget *parent = nullptr)
{
QMessageBox message(QMessageBox::Critical, title, text, QMessageBox::Ok,
parent);
QString info;
auto newLine = [&info] { info.append(QStringLiteral("\n")); };
displayErrorInfo<errinfo_value>(_("Value"), err, &info);
if (const std::string *filename =
boost::get_error_info<boost::errinfo_file_name>(err)) {
info.append(_("File: %1").arg(QString::fromStdString(*filename)));
newLine();
if (const int *line =
boost::get_error_info<boost::errinfo_at_line>(err)) {
info.append(_("Line: %1").arg(*line));
newLine();
}
}
displayErrorInfo<mef::errinfo_connective>(_("MEF Connective"), err, &info);
displayErrorInfo<mef::errinfo_reference>(_("MEF reference"), err, &info);
displayErrorInfo<mef::errinfo_base_path>(_("MEF base path"), err, &info);
displayErrorInfo<mef::errinfo_element_id>(_("MEF Element ID"), err, &info);
displayErrorInfo<mef::errinfo_element_type>(_("MEF Element type"), err,
&info);
displayErrorInfo<mef::errinfo_container_id>(_("MEF Container"), err, &info);
displayErrorInfo<mef::errinfo_container_type>(_("MEF Container type"), err,
&info);
displayErrorInfo<mef::errinfo_attribute>(_("MEF Attribute"), err, &info);
displayErrorInfo<mef::errinfo_cycle>(_("Cycle"), err, &info);
if (const std::string *xml_element =
boost::get_error_info<xml::errinfo_element>(err)) {
info.append(
_("XML element: %1").arg(QString::fromStdString(*xml_element)));
newLine();
}
if (const std::string *xml_attribute =
boost::get_error_info<xml::errinfo_attribute>(err)) {
info.append(
_("XML attribute: %1").arg(QString::fromStdString(*xml_attribute)));
newLine();
}
message.setInformativeText(info);
std::stringstream detail;
detail << boost::core::demangled_name(typeid(err)) << "\n\n";
detail << err.what() << std::endl;
message.setDetailedText(QString::fromStdString(detail.str()));
message.exec();
}
} // namespace
bool MainWindow::setProjectFile(const std::string &projectFilePath,
std::vector<std::string> inputFiles)
{
try {
Project project(projectFilePath);
inputFiles.insert(inputFiles.begin(), project.input_files().begin(),
project.input_files().end());
mef::Initializer(inputFiles, project.settings());
if (!addInputFiles(inputFiles))
return false;
m_settings = project.settings();
} catch (const scram::IOError &err) {
displayError(err, _("Configuration file error"), this);
return false;
} catch (const scram::xml::Error &err) {
displayError(err, _("XML Validity Error"),
_("Invalid configuration file"), this);
return false;
} catch (const scram::SettingsError &err) {
displayError(err, _("Configuration Error"), _("Invalid configurations"),
this);
return false;
} catch (const scram::VersionError &err) {
displayError(err, _("Version Error"), _("Version incompatibility"),
this);
return false;
}
return true;
}
bool MainWindow::addInputFiles(const std::vector<std::string> &inputFiles)
{
static xml::Validator validator(env::install_dir()
+ "/share/scram/gui.rng");
if (inputFiles.empty())
return true;
if (isWindowModified() && !saveModel())
return false;
try {
std::vector<std::string> allInput = m_inputFiles;
allInput.insert(allInput.end(), inputFiles.begin(), inputFiles.end());
std::unique_ptr<mef::Model> newModel = [this, &allInput] {
return mef::Initializer(allInput, m_settings,
/*allow_extern=*/false, &validator)
.model();
}();
for (const mef::FaultTree &faultTree : newModel->fault_trees()) {
if (faultTree.top_events().size() != 1) {
QMessageBox::critical(
this, _("Initialization Error"),
//: Single top/root event fault tree are expected by GUI.
_("Fault tree '%1' must have a single top-gate.")
.arg(QString::fromStdString(faultTree.name())));
return false;
}
}
m_model = std::move(newModel);
m_inputFiles = std::move(allInput);
} catch (const scram::IOError &err) {
displayError(err, _("Input file error"), this);
return false;
} catch (const scram::xml::Error &err) {
displayError(err, _("XML Validity Error"), _("Invalid input file"),
this);
return false;
} catch (const scram::mef::ValidityError &err) {
displayError(err,
//: The error upon initialization from a file.
_("Initialization Error"), _("Invalid input model"), this);
return false;
}
emit projectChanged();
return true;
}
void MainWindow::setupStatusBar()
{
m_searchBar = new QLineEdit;
m_searchBar->setHidden(true);
m_searchBar->setFrame(false);
m_searchBar->setMaximumHeight(m_searchBar->fontMetrics().height());
m_searchBar->setSizePolicy(QSizePolicy::MinimumExpanding,
QSizePolicy::Fixed);
//: The search bar.
m_searchBar->setPlaceholderText(_("Find/Filter (Perl Regex)"));
ui->statusBar->addPermanentWidget(m_searchBar);
}
void MainWindow::setupActions()
{
connect(ui->actionAboutQt, &QAction::triggered, qApp,
&QApplication::aboutQt);
connect(ui->actionAboutScram, &QAction::triggered, this, [this] {
QString legal = QStringLiteral(
"This program is distributed in the hope that it will be useful, "
"but WITHOUT ANY WARRANTY; without even the implied warranty of "
"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the "
"GNU General Public License for more details.");
QMessageBox::about(
this, _("About SCRAM"),
_("<h1>SCRAM %1</h1>"
"The GUI front-end for SCRAM,<br/>"
"a command-line risk analysis multi-tool.<br/><br/>"
"License: GPLv3+<br/>"
"Homepage: <a href=\"%2\">%2</a><br/>"
"Technical Support: <a href=\"%3\">%3</a><br/>"
"Bug Tracker: <a href=\"%4\">%4</a><br/><br/>%5")
.arg(QCoreApplication::applicationVersion(),
QStringLiteral("https://scram-pra.org"),
QStringLiteral("scram-users@googlegroups.com"),
QStringLiteral("https://github.com/rakhimov/scram/issues"),
legal));
});
// File menu actions.
ui->actionExit->setShortcut(QKeySequence::Quit);
ui->actionNewModel->setShortcut(QKeySequence::New);
connect(ui->actionNewModel, &QAction::triggered, this,
&MainWindow::createNewModel);
ui->actionOpenFiles->setShortcut(QKeySequence::Open);
connect(ui->actionOpenFiles, &QAction::triggered, this,
[this] { openFiles(); });
ui->actionSave->setShortcut(QKeySequence::Save);
connect(ui->actionSave, &QAction::triggered, this, &MainWindow::saveModel);
ui->actionSaveAs->setShortcut(QKeySequence::SaveAs);
connect(ui->actionSaveAs, &QAction::triggered, this,
&MainWindow::saveModelAs);
ui->actionPrint->setShortcut(QKeySequence::Print);
connect(ui->actionExportReportAs, &QAction::triggered, this,
&MainWindow::exportReportAs);
QAction *menuRecentFilesStart = ui->menuRecentFiles->actions().front();
for (QAction *&fileAction : m_recentFileActions) {
fileAction = new QAction(this);
fileAction->setVisible(false);
ui->menuRecentFiles->insertAction(menuRecentFilesStart, fileAction);
connect(fileAction, &QAction::triggered, this, [this, fileAction] {
auto filePath = fileAction->text();
GUI_ASSERT(!filePath.isEmpty(), );
if (addInputFiles({filePath.toStdString()}))
updateRecentFiles({filePath});
});
}
connect(ui->actionClearList, &QAction::triggered, this,
[this] { updateRecentFiles({}); });
// View menu actions.
ui->actionZoomIn->setShortcut(QKeySequence::ZoomIn);
ui->actionZoomOut->setShortcut(QKeySequence::ZoomOut);
// Edit menu actions.
ui->actionRemoveElement->setShortcut(QKeySequence::Delete);
connect(ui->actionAddElement, &QAction::triggered, this,
&MainWindow::addElement);
connect(ui->actionRenameModel, &QAction::triggered, this, [this] {
NameDialog nameDialog(this);
if (!m_model->HasDefaultName())
nameDialog.nameLine->setText(m_guiModel->id());
if (nameDialog.exec() == QDialog::Accepted) {
QString name = nameDialog.nameLine->text();
if (name != QString::fromStdString(m_model->GetOptionalName())) {
m_undoStack->push(new model::Model::SetName(std::move(name),
m_guiModel.get()));
}
}
});
connect(ui->actionPreferences, &QAction::triggered, this, [this] {
PreferencesDialog dialog(&m_preferences, m_undoStack, m_autoSaveTimer,
this);
dialog.exec();
});
// Undo/Redo actions
m_undoAction = m_undoStack->createUndoAction(this, _("Undo:"));
m_undoAction->setShortcut(QKeySequence::Undo);
m_undoAction->setIcon(QIcon::fromTheme(QStringLiteral("edit-undo")));
m_redoAction = m_undoStack->createRedoAction(this, _("Redo:"));
m_redoAction->setShortcut(QKeySequence::Redo);
m_redoAction->setIcon(QIcon::fromTheme(QStringLiteral("edit-redo")));
ui->menuEdit->insertAction(ui->menuEdit->actions().front(), m_redoAction);
ui->menuEdit->insertAction(m_redoAction, m_undoAction);
ui->editToolBar->insertAction(ui->editToolBar->actions().front(),
m_redoAction);
ui->editToolBar->insertAction(m_redoAction, m_undoAction);
connect(m_undoStack, &QUndoStack::cleanChanged, ui->actionSave,
&QAction::setDisabled);
connect(m_undoStack, &QUndoStack::cleanChanged,
[this](bool clean) { setWindowModified(!clean); });
// Search/filter bar shortcuts.
auto *searchAction = new QAction(this);
searchAction->setShortcuts({QKeySequence::Find, Qt::Key_Slash});
m_searchBar->addAction(searchAction);
connect(searchAction, &QAction::triggered, [this] {
if (m_searchBar->isHidden())
return;
m_searchBar->setFocus();
m_searchBar->selectAll();
});
// Providing shortcuts for the tab widget manipulations.
auto *closeCurrentTab = new QAction(this);
auto *nextTab = new QAction(this);
auto *prevTab = new QAction(this);
closeCurrentTab->setShortcut(QKeySequence::Close);
nextTab->setShortcut(QKeySequence::NextChild);
// QTBUG-15746: QKeySequence::PreviousChild does not work.
prevTab->setShortcut(Qt::CTRL | Qt::Key_Backtab);
ui->tabWidget->addAction(closeCurrentTab);
ui->tabWidget->addAction(nextTab);
ui->tabWidget->addAction(prevTab);
auto switchTab = [this](bool toNext) {
int numTabs = ui->tabWidget->count();
if (!numTabs)
return;
int currentIndex = ui->tabWidget->currentIndex();
int nextIndex = [currentIndex, numTabs, toNext] {
int ret = currentIndex + (toNext ? 1 : -1);
if (ret < 0)
return numTabs - 1;
if (ret >= numTabs)
return 0;
return ret;
}();
ui->tabWidget->setCurrentIndex(nextIndex);
};
connect(closeCurrentTab, &QAction::triggered, ui->tabWidget,
[this] { MainWindow::closeTab(ui->tabWidget->currentIndex()); });
connect(nextTab, &QAction::triggered, ui->tabWidget,
[switchTab] { switchTab(true); });
connect(prevTab, &QAction::triggered, ui->tabWidget,
[switchTab] { switchTab(false); });
}
void MainWindow::setupConnections()
{
connect(ui->modelTree, &QTreeView::activated, this,
&MainWindow::activateModelTree);
connect(ui->reportTree, &QTreeView::activated, this,
&MainWindow::activateReportTree);
connect(ui->tabWidget, &QTabWidget::tabCloseRequested, this,
&MainWindow::closeTab);
connect(ui->actionSettings, &QAction::triggered, this, [this] {
SettingsDialog dialog(m_settings, this);
if (dialog.exec() == QDialog::Accepted)
m_settings = dialog.settings();
});
connect(ui->actionRun, &QAction::triggered, this, &MainWindow::runAnalysis);
connect(this, &MainWindow::projectChanged, [this] {
m_undoStack->clear();
setWindowTitle(QStringLiteral("%1[*]").arg(getModelNameForTitle()));
ui->actionSaveAs->setEnabled(true);
ui->actionAddElement->setEnabled(true);
ui->actionRenameModel->setEnabled(true);
ui->actionRun->setEnabled(true);
resetModelTree();
resetReportTree(nullptr);
});
connect(m_undoStack, &QUndoStack::indexChanged, ui->reportTree, [this] {
if (m_analysis)
resetReportTree(nullptr);
});
connect(m_autoSaveTimer, &QTimer::timeout, this,
&MainWindow::autoSaveModel);
}
void MainWindow::loadPreferences()
{
m_preferences.beginGroup(QStringLiteral("MainWindow"));
restoreGeometry(
m_preferences.value(QStringLiteral("geometry")).toByteArray());
restoreState(m_preferences.value(QStringLiteral("state")).toByteArray(),
LAYOUT_VERSION);
m_preferences.endGroup();
m_undoStack->setUndoLimit(
m_preferences.value(QStringLiteral("undoLimit"), 0).toInt());
GUI_ASSERT(m_autoSaveTimer->isActive() == false, );
int interval =
m_preferences.value(QStringLiteral("autoSave"), 300000).toInt();
if (interval)
m_autoSaveTimer->start(interval);
updateRecentFiles(
m_preferences.value(QStringLiteral("recentFiles")).toStringList());
}
void MainWindow::savePreferences()
{
m_preferences.beginGroup(QStringLiteral("MainWindow"));
m_preferences.setValue(QStringLiteral("geometry"), saveGeometry());
m_preferences.setValue(QStringLiteral("state"), saveState(LAYOUT_VERSION));
m_preferences.endGroup();
QStringList fileList;
for (QAction *fileAction : m_recentFileActions) {
if (!fileAction->isVisible())
break;
fileList.push_back(fileAction->text());
}
m_preferences.setValue(QStringLiteral("recentFiles"), fileList);
}
void MainWindow::setupStartPage()
{
auto *startPage = new StartPage(this);
QString examplesDir =
QString::fromStdString(env::install_dir() + "/share/scram/input");
startPage->exampleModelsButton->setEnabled(QDir(examplesDir).exists());
connect(startPage->newModelButton, &QAbstractButton::clicked,
ui->actionNewModel, &QAction::trigger);
connect(startPage->openModelButton, &QAbstractButton::clicked,
ui->actionOpenFiles, &QAction::trigger);
connect(startPage->exampleModelsButton, &QAbstractButton::clicked, this,
[this, examplesDir] { openFiles(examplesDir); });
ui->tabWidget->addTab(startPage, startPage->windowIcon(),
startPage->windowTitle());
startPage->recentFilesBox->setVisible(
m_recentFileActions.front()->isVisible());
for (QAction *fileAction : m_recentFileActions) {
if (!fileAction->isVisible())
break;
auto *button =
new QCommandLinkButton(QFileInfo(fileAction->text()).fileName());
button->setToolTip(fileAction->text());
startPage->recentFilesBox->layout()->addWidget(button);
connect(button, &QAbstractButton::clicked, fileAction,
&QAction::trigger);
}
}
QString MainWindow::getModelNameForTitle()
{
return m_model->HasDefaultName() ? _("Unnamed Model")
: QString::fromStdString(m_model->name());
}
void MainWindow::createNewModel()
{
if (isWindowModified()) {
QMessageBox::StandardButton answer = QMessageBox::question(
this, _("Save Model?"),
_("Save changes to model '%1' before closing?")
.arg(getModelNameForTitle()),
QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel,
QMessageBox::Save);
if (answer == QMessageBox::Cancel)
return;
if (answer == QMessageBox::Save && !saveModel())
return;
}
m_inputFiles.clear();
m_model = std::make_unique<mef::Model>();
emit projectChanged();
}
void MainWindow::openFiles(QString directory)
{
QStringList filenames = QFileDialog::getOpenFileNames(
this, _("Open Model Files"), directory,
QStringLiteral("%1 (*.mef *.opsa *.opsa-mef *.xml);;%2 (*.*)")
.arg(_("Model Exchange Format"), _("All files")));
if (filenames.empty())
return;
std::vector<std::string> inputFiles;
for (const auto &filename : filenames)
inputFiles.push_back(filename.toStdString());
if (addInputFiles(inputFiles))
updateRecentFiles(filenames);
}
void MainWindow::autoSaveModel()
{
if (!isWindowModified() || m_inputFiles.empty() || m_inputFiles.size() > 1)
return;
saveToFile(m_inputFiles.front());
}
bool MainWindow::saveModel()
{
if (m_inputFiles.empty() || m_inputFiles.size() > 1)
return saveModelAs();
return saveToFile(m_inputFiles.front());
}
bool MainWindow::saveModelAs()
{
QString filename = QFileDialog::getSaveFileName(
this, _("Save Model As"), QDir::homePath(),
QStringLiteral("%1 (*.mef *.opsa *.opsa-mef *.xml);;%2 (*.*)")
.arg(_("Model Exchange Format"), _("All files")));
if (filename.isNull())
return false;
return saveToFile(filename.toStdString());
}
bool MainWindow::saveToFile(std::string destination)
{
GUI_ASSERT(!destination.empty(), false);
GUI_ASSERT(m_model, false);
namespace fs = boost::filesystem;
fs::path temp_file = destination + "." + fs::unique_path().string();
try {
mef::Serialize(*m_model, temp_file.string());
try {
fs::rename(temp_file, destination);
} catch (const fs::filesystem_error &err) {
SCRAM_THROW(IOError(err.what()))
<< boost::errinfo_file_name(destination)
<< boost::errinfo_errno(err.code().value());
}
} catch (const IOError &err) {
displayError(err, _("Save error", "error on saving to file"), this);
return false;
}
m_undoStack->setClean();
m_inputFiles.clear();
m_inputFiles.push_back(std::move(destination));
return true;
}
void MainWindow::updateRecentFiles(QStringList filePaths)
{
ui->menuRecentFiles->setEnabled(!filePaths.empty());
if (filePaths.empty()) {
for (QAction *fileAction : m_recentFileActions)
fileAction->setVisible(false);
return;
}
int remainingCapacity = m_recentFileActions.size() - filePaths.size();
for (QAction *fileAction : m_recentFileActions) {
if (remainingCapacity <= 0)
break;
if (!fileAction->isVisible())
break;
if (filePaths.contains(fileAction->text()))
continue;
filePaths.push_back(fileAction->text());
--remainingCapacity;
}
auto it = m_recentFileActions.begin();
const auto &constFilePaths = filePaths; // Detach prevention w/ for-each.
for (const QString &filePath : constFilePaths) {
if (it == m_recentFileActions.end())
break;
(*it)->setText(filePath);
(*it)->setVisible(true);
++it;
}
for (; it != m_recentFileActions.end(); ++it)
(*it)->setVisible(false);
}
void MainWindow::closeEvent(QCloseEvent *event)
{
savePreferences();
if (!isWindowModified())
return event->accept();
QMessageBox::StandardButton answer = QMessageBox::question(
this, _("Save Model?"),
_("Save changes to model '%1' before closing?")
.arg(getModelNameForTitle()),
QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel,
QMessageBox::Save);
if (answer == QMessageBox::Cancel)
return event->ignore();
if (answer == QMessageBox::Discard)
return event->accept();
return saveModel() ? event->accept() : event->ignore();
}
void MainWindow::closeTab(int index)
{
if (index < 0)
return;
// Ensure show/hide order.
if (index == ui->tabWidget->currentIndex()) {
int num_tabs = ui->tabWidget->count();
if (num_tabs > 1) {
ui->tabWidget->setCurrentIndex(index == (num_tabs - 1) ? index - 1
: index + 1);
}
}
auto *widget = ui->tabWidget->widget(index);
ui->tabWidget->removeTab(index);
delete widget;
}
void MainWindow::runAnalysis()
{
GUI_ASSERT(m_model, );
if (m_settings.probability_analysis()
&& ext::any_of(m_model->basic_events(),
[](const mef::BasicEvent &basicEvent) {
return !basicEvent.HasExpression();
})) {
QMessageBox::critical(this, _("Validation Error"),
_("Not all basic events have expressions "
"for probability analysis."));
return;
}
WaitDialog progress(this);
//: This is a message shown during the analysis run.
progress.setLabelText(_("Running analysis..."));
auto analysis =
std::make_unique<core::RiskAnalysis>(m_model.get(), m_settings);
QFutureWatcher<void> futureWatcher;
connect(&futureWatcher, SIGNAL(finished()), &progress, SLOT(reset()));
futureWatcher.setFuture(
QtConcurrent::run([&analysis] { analysis->Analyze(); }));
progress.exec();
futureWatcher.waitForFinished();
resetReportTree(std::move(analysis));
}
void MainWindow::exportReportAs()
{
GUI_ASSERT(m_analysis, );
QString filename = QFileDialog::getSaveFileName(
this, _("Export Report As"), QDir::homePath(),
QStringLiteral("%1 (*.mef *.opsa *.opsa-mef *.xml);;%2 (*.*)")
.arg(_("Model Exchange Format"), _("All files")));
if (filename.isNull())
return;
try {
Reporter().Report(*m_analysis, filename.toStdString());
} catch (const IOError &err) {
displayError(err, _("Reporting error"), this);
}
}
void MainWindow::setupZoomableView(ZoomableView *view)
{
struct ZoomFilter : public QObject
{
ZoomFilter(ZoomableView *zoomable, MainWindow *window)
: QObject(zoomable), m_window(window), m_zoomable(zoomable)
{
}
bool eventFilter(QObject *object, QEvent *event) override
{
auto setEnabled = [this](bool state) {
m_window->m_zoomBox->setEnabled(state);
m_window->ui->actionZoomIn->setEnabled(state);
m_window->ui->actionZoomIn->setEnabled(state);
m_window->ui->actionZoomOut->setEnabled(state);
m_window->ui->actionBestFit->setEnabled(state);
m_window->ui->menuZoom->setEnabled(state);
};
if (event->type() == QEvent::Show) {
setEnabled(true);
m_window->m_zoomBox->setCurrentText(
QStringLiteral("%1%").arg(m_zoomable->getZoom()));
connect(m_zoomable, &ZoomableView::zoomChanged,
m_window->m_zoomBox, [this](int level) {
m_window->m_zoomBox->setCurrentText(
QStringLiteral("%1%").arg(level));
});
connect(m_window->m_zoomBox, &QComboBox::currentTextChanged,
m_zoomable, [this](QString text) {
// Check if the user editing the box.
if (m_window->m_zoomBox->lineEdit()->isModified())
return;
text.remove(QLatin1Char('%'));
m_zoomable->setZoom(text.toInt());
});
connect(m_window->m_zoomBox->lineEdit(),
&QLineEdit::editingFinished, m_zoomable, [this] {
QString text = m_window->m_zoomBox->currentText();
text.remove(QLatin1Char('%'));
m_zoomable->setZoom(text.toInt());
});
connect(m_window->ui->actionZoomIn, &QAction::triggered,
m_zoomable, [this] { m_zoomable->zoomIn(5); });
connect(m_window->ui->actionZoomOut, &QAction::triggered,
m_zoomable, [this] { m_zoomable->zoomOut(5); });
connect(m_window->ui->actionBestFit, &QAction::triggered,
m_zoomable, &ZoomableView::zoomBestFit);
} else if (event->type() == QEvent::Hide) {
setEnabled(false);
disconnect(m_window->m_zoomBox->lineEdit(), 0, m_zoomable, 0);
disconnect(m_zoomable, 0, m_window->m_zoomBox, 0);
disconnect(m_window->m_zoomBox, 0, m_zoomable, 0);
disconnect(m_window->ui->actionZoomIn, 0, m_zoomable, 0);
disconnect(m_window->ui->actionZoomOut, 0, m_zoomable, 0);
disconnect(m_window->ui->actionBestFit, 0, m_zoomable, 0);
}
return QObject::eventFilter(object, event);
}
MainWindow *m_window;
ZoomableView *m_zoomable;
};
view->installEventFilter(new ZoomFilter(view, this));
}
template <class T>
void MainWindow::setupPrintableView(T *view)
{
static_assert(std::is_base_of_v<QObject, T>, "Missing QObject");
struct PrintFilter : public QObject
{
PrintFilter(T *printable, MainWindow *window)
: QObject(printable), m_window(window), m_printable(printable)
{
}
bool eventFilter(QObject *object, QEvent *event) override
{
auto setEnabled = [this](bool state) {
m_window->ui->actionPrint->setEnabled(state);
m_window->ui->actionPrintPreview->setEnabled(state);
};
if (event->type() == QEvent::Show) {
setEnabled(true);
connect(m_window->ui->actionPrint, &QAction::triggered,
m_printable, [this] { m_printable->print(); });
connect(m_window->ui->actionPrintPreview, &QAction::triggered,
m_printable, [this] { m_printable->printPreview(); });
} else if (event->type() == QEvent::Hide) {
setEnabled(false);
disconnect(m_window->ui->actionPrint, 0, m_printable, 0);
disconnect(m_window->ui->actionPrintPreview, 0, m_printable, 0);
}
return QObject::eventFilter(object, event);
}
MainWindow *m_window;
T *m_printable;
};
view->installEventFilter(new PrintFilter(view, this));
}
template <class T>
void MainWindow::setupExportableView(T *view)
{
struct ExportFilter : public QObject
{
ExportFilter(T *exportable, MainWindow *window)
: QObject(exportable), m_window(window), m_exportable(exportable)
{
}
bool eventFilter(QObject *object, QEvent *event) override
{
if (event->type() == QEvent::Show) {
m_window->ui->actionExportAs->setEnabled(true);
connect(m_window->ui->actionExportAs, &QAction::triggered,
m_exportable, [this] { m_exportable->exportAs(); });
} else if (event->type() == QEvent::Hide) {
m_window->ui->actionExportAs->setEnabled(false);
disconnect(m_window->ui->actionExportAs, 0, m_exportable, 0);
}
return QObject::eventFilter(object, event);
}
MainWindow *m_window;
T *m_exportable;
};
view->installEventFilter(new ExportFilter(view, this));
}
template <class T>
void MainWindow::setupSearchable(QObject *view, T *model)
{
struct SearchFilter : public QObject
{
SearchFilter(T *searchable, MainWindow *window)
: QObject(searchable), m_window(window), m_searchable(searchable)
{
}
bool eventFilter(QObject *object, QEvent *event) override
{
if (event->type() == QEvent::Show) {
m_window->m_searchBar->setHidden(false);
m_window->m_searchBar->setText(
m_searchable->filterRegExp().pattern());
connect(m_window->m_searchBar, &QLineEdit::editingFinished,
object, [this] {
m_searchable->setFilterRegExp(
m_window->m_searchBar->text());
});
} else if (event->type() == QEvent::Hide) {
m_window->m_searchBar->setHidden(true);