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#include "multieditorimage.h"
#include "common/unused.h"
#include "iconmanager.h"
#include "uiconfig.h"
#include "services/notifymanager.h"
#include <QBuffer>
#include <QImageReader>
#include <QLabel>
#include <QScrollArea>
#include <QHBoxLayout>
#include <QToolButton>
#include <QToolBar>
#include <QFileDialog>
#include <QScrollBar>
#include <QAction>
MultiEditorImage::MultiEditorImage()
{
setLayout(new QHBoxLayout());
scrollArea = new QScrollArea();
scrollArea->setBackgroundRole(QPalette::Dark);
layout()->addWidget(scrollArea);
QToolBar* tb = new QToolBar();
tb->setOrientation(Qt::Vertical);
loadAction = tb->addAction(ICONS.OPEN_FILE, tr("Load from file"), this, SLOT(openFile()));
tb->addAction(ICONS.SAVE_FILE, tr("Store in a file"), this, SLOT(saveFile()));
zoomInAct = tb->addAction(ICONS.ZOOM_IN, tr("Zoom in by 25%"), this, SLOT(zoomIn()));
zoomOutAct = tb->addAction(ICONS.ZOOM_OUT, tr("Zoom out by 25%"), this, SLOT(zoomOut()));
tb->addAction(ICONS.ZOOM_RESET, tr("Reset zoom"), this, SLOT(resetZoom()));
layout()->addWidget(tb);
imgLabel = new QLabel();
imgLabel->setBackgroundRole(QPalette::Base);
imgLabel->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored);
imgLabel->setScaledContents(true);
scrollArea->setWidget(imgLabel);
imgLabel->show();
}
void MultiEditorImage::setValue(const QVariant &value)
{
this->imgData = value.toByteArray();
QPixmap imgPixmap;
if (imgPixmap.loadFromData(this->imgData))
{
imgLabel->setPixmap(imgPixmap);
QBuffer buf(&(this->imgData));
QImageReader ir(&buf);
imgFormat = ir.format();
}
else
{
imgLabel->clear();
imgFormat.clear();
}
imgLabel->adjustSize();
}
QVariant MultiEditorImage::getValue()
{
return imgData;
}
void MultiEditorImage::setReadOnly(bool boolValue)
{
loadAction->setEnabled(!boolValue);
}
QList<QWidget*> MultiEditorImage::getNoScrollWidgets()
{
QList<QWidget*> list;
list << scrollArea << imgLabel;
return list;
}
void MultiEditorImage::focusThisWidget()
{
}
void MultiEditorImage::notifyAboutUnload()
{
emit aboutToBeDeleted();
}
void MultiEditorImage::scale(double factor)
{
currentZoom *= factor;
#if (QT_VERSION >= QT_VERSION_CHECK(5, 15, 0))
imgLabel->resize(currentZoom * imgLabel->pixmap(Qt::ReturnByValue).size());
#else
imgLabel->resize(currentZoom * imgLabel->pixmap()->size());
#endif
zoomInAct->setEnabled(currentZoom < 10.0);
zoomOutAct->setEnabled(currentZoom > 0.1);
}
void MultiEditorImage::openFile()
{
QString dir = getFileDialogInitPath();
QString filter = tr("Images (*.jpeg *.jpg *.png *.bmp *.gif *.tiff *.jp2 *.svg *.tga *.icns *.webp *.wbmp *.mng);;All files (*)");
QString fileName = QFileDialog::getOpenFileName(this, tr("Open image"), dir, filter);
if (fileName.isNull())
return;
setFileDialogInitPathByFile(fileName);
QFile file(fileName);
if (!file.open(QIODevice::ReadOnly))
{
notifyError(tr("Could not open file %1 for reading.").arg(fileName));
return;
}
QByteArray newData = file.readAll();
file.close();
setValue(newData);
emit valueModified();
}
void MultiEditorImage::saveFile()
{
QString dir = getFileDialogInitPath();
QString filter;
QString selectedFilter;
QString format = QString::fromLatin1(imgFormat);
if (!format.isEmpty())
{
selectedFilter = QString("%1 (*.%2)").arg(format, format.toLower());
filter = QString("%1;;%3").arg(selectedFilter, tr("All files (*)"));
}
QString fileName = QFileDialog::getSaveFileName(this, tr("Save image"), dir, filter, selectedFilter.isEmpty() ? nullptr : &selectedFilter);
if (fileName.isNull())
return;
setFileDialogInitPathByFile(fileName);
QPixmap thePixmap =
#if (QT_VERSION >= QT_VERSION_CHECK(5, 15, 0))
imgLabel->pixmap(Qt::ReturnByValue);
#else
*(imgLabel->pixmap());
#endif
imgLabel->resize(currentZoom * thePixmap.size());
if (!format.isEmpty() && !fileName.endsWith(format, Qt::CaseInsensitive) && !thePixmap.isNull())
{
if (!thePixmap.save(fileName))
{
QString requestedFormat = QFileInfo(fileName).completeSuffix();
notifyWarn(tr("Tried to save image under different format (%1) than original (%2), "
"but application failed to convert it. The image with unchanged format (%3) "
"will be saved under the given name (%4)").arg(requestedFormat, format, format, fileName));
}
else
return;
}
QFile file(fileName);
if (!file.open(QIODevice::WriteOnly))
{
notifyError(tr("Could not nopen file %1 for writting.").arg(fileName));
return;
}
if (file.write(imgData) < imgData.size())
notifyError(tr("Could not write image into the file %1").arg(fileName));
file.close();
}
void MultiEditorImage::zoomIn()
{
scale(1.25);
}
void MultiEditorImage::zoomOut()
{
scale(0.8);
}
void MultiEditorImage::resetZoom()
{
imgLabel->adjustSize();
currentZoom = 1.0;
}
MultiEditorWidget* MultiEditorImagePlugin::getInstance()
{
MultiEditorImage* instance = new MultiEditorImage();
instances << instance;
connect(instance, &QObject::destroyed, [this, instance]()
{
instances.removeOne(instance);
});
return instance;
}
bool MultiEditorImagePlugin::validFor(const DataType& dataType)
{
switch (dataType.getType())
{
case DataType::BLOB:
case DataType::NONE:
case DataType::unknown:
return true;
case DataType::BOOLEAN:
case DataType::BIGINT:
case DataType::DECIMAL:
case DataType::DOUBLE:
case DataType::INTEGER:
case DataType::INT:
case DataType::NUMERIC:
case DataType::REAL:
case DataType::STRING:
case DataType::TEXT:
case DataType::CHAR:
case DataType::VARCHAR:
case DataType::DATE:
case DataType::DATETIME:
case DataType::TIME:
break;
}
return false;
}
int MultiEditorImagePlugin::getPriority(const DataType& dataType)
{
switch (dataType.getType())
{
case DataType::BLOB:
return 10;
case DataType::NONE:
case DataType::unknown:
return 50;
case DataType::BOOLEAN:
case DataType::BIGINT:
case DataType::DECIMAL:
case DataType::DOUBLE:
case DataType::INTEGER:
case DataType::INT:
case DataType::NUMERIC:
case DataType::REAL:
case DataType::STRING:
case DataType::TEXT:
case DataType::CHAR:
case DataType::VARCHAR:
case DataType::DATE:
case DataType::DATETIME:
case DataType::TIME:
break;
}
return 100;
}
QString MultiEditorImagePlugin::getTabLabel()
{
return tr("Image");
}
bool MultiEditorImagePlugin::init()
{
Q_INIT_RESOURCE(multieditorimage);
return GenericPlugin::init();
}
void MultiEditorImagePlugin::deinit()
{
for (MultiEditorImage* editor : instances)
{
editor->notifyAboutUnload();
delete editor;
}
Q_CLEANUP_RESOURCE(multieditorimage);
}
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