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Diffstat (limited to 'Plugins/MultiEditorImage/multieditorimage.cpp')
| -rw-r--r-- | Plugins/MultiEditorImage/multieditorimage.cpp | 268 |
1 files changed, 268 insertions, 0 deletions
diff --git a/Plugins/MultiEditorImage/multieditorimage.cpp b/Plugins/MultiEditorImage/multieditorimage.cpp new file mode 100644 index 0000000..59b5a49 --- /dev/null +++ b/Plugins/MultiEditorImage/multieditorimage.cpp @@ -0,0 +1,268 @@ +#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; + imgLabel->resize(currentZoom * imgLabel->pixmap()->size()); + 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); + + if (!format.isEmpty() && !fileName.endsWith(format, Qt::CaseInsensitive) && imgLabel->pixmap()) + { + if (!imgLabel->pixmap()->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); +} |