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#include "exportdialog.h"
#include "ui_exportdialog.h"
#include "tikzit.h"
#include <QFileDialog>
#include <QSettings>
#include <QStandardPaths>
ExportDialog::ExportDialog(QWidget *parent) :
QDialog(parent),
ui(new Ui::ExportDialog)
{
QSettings settings("tikzit", "tikzit");
ui->setupUi(this);
QIntValidator *v = new QIntValidator(this);
v->setBottom(1);
ui->width->setValidator(v);
ui->height->setValidator(v);
connect(ui->width, SIGNAL(editingFinished()),
this, SLOT(setHeightFromWidth()));
connect(ui->height, SIGNAL(editingFinished()),
this, SLOT(setWidthFromHeight()));
PdfDocument *doc = tikzit->previewWindow()->doc();
if (doc) {
QSize size = doc->size() * 4;
ui->width->blockSignals(true);
ui->height->blockSignals(true);
ui->width->setText(QString::number(size.width()));
ui->height->setText(QString::number(size.height()));
ui->width->blockSignals(false);
ui->height->blockSignals(false);
}
if (!settings.value("previous-export-file-format").isNull()) {
ui->fileFormat->setCurrentIndex(settings.value("previous-export-file-format").toInt());
}
// set a default export file
QString path = (!settings.value("previous-export-file-path").isNull()) ?
settings.value("previous-export-file-path").toString() :
QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
QString suffix;
switch (ui->fileFormat->currentIndex()) {
case PNG: suffix = ".png"; break;
case JPG: suffix = ".jpg"; break;
case PDF: suffix = ".pdf"; break;
}
QString fileName;
int i = 0;
bool exists = true;
while (exists) {
fileName = path + "/tikzit_image" + QString::number(i) + suffix;
exists = QFileInfo::exists(fileName);
++i;
}
ui->filePath->setText(QDir::toNativeSeparators(fileName));
}
ExportDialog::~ExportDialog()
{
delete ui;
}
QString ExportDialog::filePath()
{
return ui->filePath->text();
}
QSize ExportDialog::size()
{
return QSize(ui->width->text().toInt(),
ui->height->text().toInt());
}
ExportDialog::Format ExportDialog::fileFormat()
{
return static_cast<Format>(ui->fileFormat->currentIndex());
}
void ExportDialog::accept()
{
QSettings settings("tikzit", "tikzit");
QFileInfo fi(filePath());
settings.setValue("previous-export-file-path", fi.absolutePath());
settings.setValue("previous-export-file-format", fileFormat());
QDialog::accept();
}
void ExportDialog::setHeightFromWidth()
{
if (ui->keepAspect->isChecked()) {
PdfDocument *doc = tikzit->previewWindow()->doc();
if (doc == nullptr || doc->size().width() == 0 || doc->size().height() == 0) return;
int w = ui->width->text().toInt();
int h = (w * doc->size().height()) / doc->size().width();
ui->height->blockSignals(true);
ui->height->setText(QString::number(h));
ui->height->blockSignals(false);
}
}
void ExportDialog::setWidthFromHeight()
{
if (ui->keepAspect->isChecked()) {
PdfDocument *doc = tikzit->previewWindow()->doc();
if (doc == nullptr || doc->size().width() == 0 || doc->size().height() == 0) return;
int h = ui->height->text().toInt();
int w = (h * doc->size().width()) / doc->size().height();
ui->width->blockSignals(true);
ui->width->setText(QString::number(w));
ui->width->blockSignals(false);
}
}
void ExportDialog::on_keepAspect_stateChanged(int state)
{
if (state == Qt::Checked) setHeightFromWidth();
}
void ExportDialog::on_browseButton_clicked()
{
QSettings settings("tikzit", "tikzit");
QString suffix;
switch (ui->fileFormat->currentIndex()) {
case PNG: suffix = "png"; break;
case JPG: suffix = "jpg"; break;
case PDF: suffix = "pdf"; break;
}
QFileDialog dialog;
dialog.setDefaultSuffix(suffix);
dialog.setWindowTitle(tr("Export File Path"));
dialog.setAcceptMode(QFileDialog::AcceptSave);
dialog.setNameFilter(ui->fileFormat->currentText());
dialog.setFileMode(QFileDialog::AnyFile);
dialog.setLabelText(QFileDialog::Accept, "Select");
QFileInfo fi(ui->filePath->text());
if (!fi.absolutePath().isEmpty()) {
dialog.setDirectory(fi.absolutePath());
dialog.selectFile(fi.baseName());
}
dialog.setOption(QFileDialog::DontUseNativeDialog);
if (dialog.exec()) {
ui->filePath->setText(QDir::toNativeSeparators(dialog.selectedFiles()[0]));
}
}
void ExportDialog::on_fileFormat_currentIndexChanged(int f)
{
ui->width->setEnabled(f != PDF);
ui->height->setEnabled(f != PDF);
ui->keepAspect->setEnabled(f != PDF);
QString path = ui->filePath->text();
if (!path.isEmpty()) {
QRegularExpression re("\\.[^.]*$");
switch (f) {
case PNG: path.replace(re, ".png"); break;
case JPG: path.replace(re, ".jpg"); break;
case PDF: path.replace(re, ".pdf"); break;
}
ui->filePath->setText(path);
}
}
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