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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file GUI/View/Sample/ScriptPanel.cpp
//! @brief Implements class ScriptPanel.
//!
//! @homepage http://www.bornagainproject.org
//! @license GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
// ************************************************************************************************
#include "GUI/View/Sample/ScriptPanel.h"
#include "GUI/Model/Sample/SampleItem.h"
#include "GUI/Model/ToCore/SampleToCore.h"
#include "GUI/Model/Type/UpdateTimer.h"
#include "GUI/View/Base/Fontsize.h"
#include "GUI/View/Info/CautionSign.h"
#include "GUI/View/Info/PythonSyntaxHighlighter.h"
#include "Sample/Multilayer/Sample.h"
#include "Sim/Export/ExportToPython.h"
#include <QScrollBar>
#include <QStackedWidget>
#include <QVBoxLayout>
namespace {
const int accumulateUpdatesDuringMsec = 20.;
} // namespace
ScriptPanel::ScriptPanel(QWidget* parent)
: QWidget(parent)
, m_text_edit(new QTextEdit)
, m_highlighter(nullptr)
, m_update_timer(new UpdateTimer(accumulateUpdatesDuringMsec, this))
, m_caution_sign(new CautionSign(m_text_edit))
, m_current_sample(nullptr)
{
setWindowTitle("Python Script");
setObjectName("ScriptPanel");
m_text_edit->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
auto* mainLayout = new QVBoxLayout(this);
mainLayout->setContentsMargins(0, 0, 0, 0);
mainLayout->addWidget(m_text_edit);
m_text_edit->setReadOnly(true);
QFont textFont("Monospace");
m_text_edit->setFont(textFont);
m_text_edit->setFontPointSize(GUI::Font::fontSizeRegular());
connect(m_update_timer, &UpdateTimer::timeToUpdate, this, &ScriptPanel::updateEditor);
}
void ScriptPanel::setCurrentSample(SampleItem* sampleItem)
{
m_current_sample = sampleItem;
updateEditor();
}
void ScriptPanel::onSampleModified()
{
if (isVisible())
m_update_timer->scheduleUpdate();
}
void ScriptPanel::updateEditor()
{
if (!m_highlighter) {
m_highlighter = new PythonSyntaxHighlighter(m_text_edit->document());
m_text_edit->setLineWrapMode(QTextEdit::NoWrap);
}
const int oldScrollbarValue = m_text_edit->verticalScrollBar()->value();
const QString codeSnippet = generateCodeSnippet();
if (!codeSnippet.isEmpty())
m_text_edit->setText(codeSnippet);
else
m_text_edit->clear();
m_text_edit->verticalScrollBar()->setValue(oldScrollbarValue);
}
void ScriptPanel::showEvent(QShowEvent*)
{
m_update_timer->scheduleUpdate();
}
void ScriptPanel::hideEvent(QHideEvent*)
{
m_update_timer->reset();
}
QString ScriptPanel::generateCodeSnippet()
{
m_caution_sign->clear();
if (m_current_sample == nullptr)
return {};
QString result;
try {
auto sample = GUI::ToCore::itemToSample(*m_current_sample);
result.append(QString::fromStdString(Py::Export::sampleCode(*sample)));
} catch (const std::exception& ex) {
QString message =
QString("Generation of Python Script failed. Code is not complete.\n\n"
"It can happen if sample requires further assembling or some of sample "
"parameters are not valid. See details below.\n\n%1")
.arg(QString::fromStdString(ex.what()));
m_caution_sign->setCautionMessage(message);
}
return result;
}
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