osb/source/json_tool/editor_gui.cpp

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2023-06-20 04:33:09 +00:00
#include <QApplication>
#include <QGridLayout>
#include <QPushButton>
#include "StarFile.hpp"
#include "json_tool.hpp"
#include "editor_gui.hpp"
using namespace Star;
int const ImagePreviewWidth = 300;
int const ImagePreviewHeight = 600;
JsonEditor::JsonEditor(JsonPath::PathPtr const& path, Options const& options, List<String> const& files)
: QMainWindow(), m_path(path), m_editFormat(options.editFormat), m_options(options), m_files(files), m_fileIndex(0) {
auto* w = new QWidget(this);
w->setObjectName("background");
setCentralWidget(w);
setWindowTitle("Json Editor");
resize(1280, 720);
auto* layout = new QGridLayout(centralWidget());
QFont font("Monospace");
font.setStyleHint(QFont::StyleHint::Monospace);
m_jsonDocument = new QTextDocument("Hello world");
m_jsonDocument->setDefaultFont(font);
m_statusLabel = new QLabel(centralWidget());
layout->addWidget(m_statusLabel, 0, 0, 1, 5);
m_jsonPreview = new QTextEdit(this);
m_jsonPreview->setReadOnly(true);
m_jsonPreview->setDocument(m_jsonDocument);
layout->addWidget(m_jsonPreview, 1, 0, 1, 5);
m_backButton = new QPushButton(centralWidget());
m_backButton->setText("« Back");
layout->addWidget(m_backButton, 2, 0);
connect(m_backButton, SIGNAL(pressed()), this, SLOT(back()));
m_pathLabel = new QLabel(centralWidget());
layout->addWidget(m_pathLabel, 2, 1);
m_imageLabel = new QLabel(centralWidget());
m_imageLabel->setMaximumSize(ImagePreviewWidth, ImagePreviewHeight);
m_imageLabel->setMinimumSize(ImagePreviewWidth, ImagePreviewHeight);
m_imageLabel->setAlignment(Qt::AlignCenter);
if (!m_options.editorImages.empty())
layout->addWidget(m_imageLabel, 1, 5);
m_valueEditor = new QLineEdit(centralWidget());
m_valueEditor->setFont(font);
layout->addWidget(m_valueEditor, 2, 2);
connect(m_valueEditor, SIGNAL(returnPressed()), this, SLOT(next()));
connect(m_valueEditor, SIGNAL(textChanged(QString const&)), this, SLOT(updatePreview(QString const&)));
m_nextButton = new QPushButton(centralWidget());
m_nextButton->setText("Next »");
m_nextButton->setDefault(true);
layout->addWidget(m_nextButton, 2, 3);
connect(m_nextButton, SIGNAL(pressed()), this, SLOT(next()));
m_errorDialog = new QErrorMessage(this);
m_errorDialog->setModal(true);
displayCurrentFile();
}
void JsonEditor::next() {
if (!m_valueEditor->isEnabled() || saveChanges()) {
++m_fileIndex;
if (m_fileIndex >= m_files.size()) {
close();
return;
}
displayCurrentFile();
}
}
void JsonEditor::back() {
if (m_fileIndex == 0)
return;
--m_fileIndex;
displayCurrentFile();
}
void JsonEditor::updatePreview(QString const& valueStr) {
try {
FormattedJson newValue = m_editFormat->toJson(valueStr.toStdString());
FormattedJson preview = addOrSet(false, m_path, m_currentJson, m_options.insertLocation, newValue);
m_jsonDocument->setPlainText(preview.repr().utf8Ptr());
} catch (JsonException const&) {
} catch (JsonParsingException const&) {
// Don't update the preview if it's not valid Json.
}
}
bool JsonEditor::saveChanges() {
try {
FormattedJson newValue = m_editFormat->toJson(m_valueEditor->text().toStdString());
m_currentJson = addOrSet(false, m_path, m_currentJson, m_options.insertLocation, newValue);
String repr = reprWithLineEnding(m_currentJson);
File::writeFile(repr, m_files.get(m_fileIndex));
return true;
} catch (StarException const& e) {
m_errorDialog->showMessage(e.what());
return false;
}
}
void JsonEditor::displayCurrentFile() {
String file = m_files.get(m_fileIndex);
size_t progress = (m_fileIndex + 1) * 100 / m_files.size();
String status = strf("Editing file %s/%s (%s%%): %s", m_fileIndex + 1, m_files.size(), progress, file);
m_statusLabel->setText(status.utf8Ptr());
m_backButton->setEnabled(m_fileIndex != 0);
m_nextButton->setText(m_fileIndex == m_files.size() - 1 ? "Done" : "Next »");
m_pathLabel->setText(m_path->path().utf8Ptr());
m_imageLabel->setText("No preview");
m_jsonDocument->setPlainText("");
m_valueEditor->setText("");
m_valueEditor->setEnabled(false);
try {
m_currentJson = FormattedJson::parse(File::readFileString(file));
m_jsonDocument->setPlainText(m_currentJson.repr().utf8Ptr());
updateValueEditor();
updateImagePreview();
} catch (StarException const& e) {
// Something else went wrong (maybe while parsing the document) and allowing
// the user to edit this file might cause us to lose data.
m_errorDialog->showMessage(e.what());
}
m_jsonPreview->moveCursor(QTextCursor::Start);
m_valueEditor->selectAll();
m_valueEditor->setFocus(Qt::FocusReason::OtherFocusReason);
}
void JsonEditor::updateValueEditor() {
FormattedJson value;
try {
value = m_path->get(m_currentJson);
} catch (JsonPath::TraversalException const&) {
// Path does not already exist in the Json document. We're adding it.
value = m_editFormat->getDefault();
}
String valueText;
try {
valueText = m_editFormat->fromJson(value);
} catch (JsonException const& e) {
// The value already present in the was no thte type we expected, e.g.
// it was an int, when we wanted a string array for CSV.
// Clear the value already present.
m_errorDialog->showMessage(e.what());
valueText = m_editFormat->fromJson(m_editFormat->getDefault());
}
m_valueEditor->setText(valueText.utf8Ptr());
m_valueEditor->setEnabled(true);
}
void JsonEditor::updateImagePreview() {
String file = m_files.get(m_fileIndex);
for (JsonPath::PathPtr const& imagePath : m_options.editorImages) {
try {
String image = imagePath->get(m_currentJson).toJson().toString();
image = File::relativeTo(File::dirName(file), image.extract(":"));
QPixmap pixmap = QPixmap(image.utf8Ptr()).scaledToWidth(ImagePreviewWidth);
if (pixmap.height() > ImagePreviewHeight)
pixmap = pixmap.scaledToHeight(ImagePreviewHeight);
m_imageLabel->setPixmap(pixmap);
break;
} catch (JsonPath::TraversalException const&) {
}
}
}
int Star::edit(int argc, char* argv[], JsonPath::PathPtr const& path, Options const& options, List<Input> const& inputs) {
QApplication app(argc, argv);
StringList files;
for (Input const& input : inputs) {
if (input.is<FindInput>())
files.appendAll(findFiles(input.get<FindInput>()));
else
files.append(input.get<FileInput>().filename);
}
JsonEditor e(path, options, files);
e.show();
return app.exec();
}