: QDialog(parent),

ui(new Ui::EditDialog),

m_currentIndex(QModelIndex()),

dataSource(SciBuffer),

dataType(Null),

isReadOnly(true)

{

ui->setupUi(this);

// Add Ctrl-Enter (Cmd-Enter on OSX) as a shortcut for the Apply button

ui->buttonApply->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Return));

ui->buttonApply->setToolTip(ui->buttonApply->toolTip() + " [" + ui->buttonApply->shortcut().toString(QKeySequence::NativeText) + "]");

QHBoxLayout* hexLayout = new QHBoxLayout(ui->editorBinary);

hexEdit = new QHexEdit(this);

hexLayout->addWidget(hexEdit);

hexEdit->setOverwriteMode(false);

QHBoxLayout* sciLayout = new QHBoxLayout(ui->editorSci);

sciEdit = new DockTextEdit(this);

sciLayout->addWidget(sciEdit);

QShortcut* ins = new QShortcut(QKeySequence(Qt::Key_Insert), this);

connect(ins, &QShortcut::activated, this, &EditDialog::toggleOverwriteMode);

connect(sciEdit, &DockTextEdit::textChanged, this, &EditDialog::updateApplyButton);

connect(sciEdit, &DockTextEdit::textChanged, this, &EditDialog::editTextChanged);

connect(ui->qtEdit, &QTextEdit::textChanged, this, &EditDialog::updateApplyButton);

connect(hexEdit, &QHexEdit::dataChanged, this, &EditDialog::updateApplyButton);

// Create shortcuts for the widgets that doesn't have its own print action or printing mechanism.

QShortcut* shortcutPrint = new QShortcut(QKeySequence::Print, this, nullptr, nullptr, Qt::WidgetShortcut);

connect(shortcutPrint, &QShortcut::activated, this, &EditDialog::openPrintDialog);

// Add actions to editors that have a context menu based on actions. This also activates the shortcuts.

ui->editorImage->addAction(ui->actionPrintImage);

ui->editorBinary->addAction(ui->actionPrint);

ui->editorBinary->addAction(ui->actionCopyHexAscii);

mustIndentAndCompact = Settings::getValue("databrowser", "indent_compact").toBool();

ui->actionIndent->setChecked(mustIndentAndCompact);

ui->buttonAutoSwitchMode->setChecked(Settings::getValue("databrowser", "auto_switch_mode").toBool());

ui->actionWordWrap->setChecked(Settings::getValue("databrowser", "editor_word_wrap").toBool());

setWordWrapping(ui->actionWordWrap->isChecked());

reloadSettings();

{

m_currentIndex = QPersistentModelIndex(idx);

QByteArray bArrData = idx.data(Qt::EditRole).toByteArray();

loadData(bArrData);

updateCellInfoAndMode(bArrData);

ui->buttonApply->setDisabled(true);

{

// Whenever the dialog is shown, position it at the center of the parent dialog

QMainWindow* parentDialog = qobject_cast<QMainWindow*>(parent());

if(parentDialog)

{

move(parentDialog->x() + parentDialog->width() / 2 - width() / 2,

parentDialog->y() + parentDialog->height() / 2 - height() / 2);

}

{

// We override this, to ensure the Escape key doesn't make the Edit Cell

// dock go away

return;

{

QImage img;

// Clear previously removed BOM

removedBom.clear();

// Determine the data type, saving that info in the class variable

dataType = checkDataType(bArrdata);

// Get the current editor mode (eg text, hex, image, json or xml mode)

int editMode = ui->comboMode->currentIndex();

// Data type specific handling

switch (dataType) {

case Null:

// Set enabled the text widget

sciEdit->setEnabled(true);

switch (editMode) {

case TextEditor:

case JsonEditor:

case XmlEditor:

// The JSON widget buffer is now the main data source

dataSource = SciBuffer;

// Empty the text editor contents, then enable text editing

sciEdit->clear();

break;

case RtlTextEditor:

// The text widget buffer is now the main data source

dataSource = QtBuffer;

// Empty the Qt text editor contents, then enable text editing

ui->qtEdit->clear();

break;

case HexEditor:

// The hex widget buffer is now the main data source

dataSource = HexBuffer;

// Load the Null into the hex editor

hexEdit->setData(bArrdata);

break;

case ImageViewer:

// The hex widget buffer is now the main data source

dataSource = HexBuffer;

// Clear any image from the image viewing widget

ui->editorImage->setPixmap(QPixmap(0,0));

// Load the Null into the hex editor

hexEdit->setData(bArrdata);

break;

}

break;

case Text:

case RtlText:

case JSON:

case XML:

// Can be stored in any widget, except the ImageViewer

switch (editMode) {

case TextEditor:

case JsonEditor:

case XmlEditor:

setDataInBuffer(bArrdata, SciBuffer);

break;

case RtlTextEditor:

setDataInBuffer(bArrdata, QtBuffer);

break;

case HexEditor:

setDataInBuffer(bArrdata, HexBuffer);

break;

case ImageViewer:

// The image viewer cannot hold data nor display text.

// Clear any image from the image viewing widget

ui->editorImage->setPixmap(QPixmap(0,0));

// Load the text into the text editor

setDataInBuffer(bArrdata, SciBuffer);

break;

}

break;

case Image:

// Image data is kept in the hex widget, mainly for safety. If we

// stored it in the editorImage widget instead, it would be a pixmap

// and there's no good way to restore that back to the original

// (pristine) image data. eg image metadata would be lost

setDataInBuffer(bArrdata, HexBuffer);

// Update the display if in text edit or image viewer mode

switch (editMode) {

case TextEditor:

case XmlEditor:

case JsonEditor:

// Disable text editing, and use a warning message as the contents

sciEdit->setText(tr("Image data can't be viewed in this mode.") % '\n' %

tr("Try switching to Image or Binary mode."));

sciEdit->setTextInMargin(tr("Image"));

sciEdit->setEnabled(false);

break;

case RtlTextEditor:

// Disable text editing, and use a warning message as the contents

ui->qtEdit->setText(QString("<i>" %

tr("Image data can't be viewed in this mode.") % "<br/>" %

tr("Try switching to Image or Binary mode.") %

"</i>"));

ui->qtEdit->setEnabled(false);

break;

case ImageViewer:

// Load the image into the image viewing widget

if (img.loadFromData(bArrdata)) {

ui->editorImage->setPixmap(QPixmap::fromImage(img));

}

break;

}

break;

case SVG:

// Set the XML data in any buffer or update image in image viewer mode

switch (editMode) {

case TextEditor:

case JsonEditor:

case XmlEditor:

setDataInBuffer(bArrdata, SciBuffer);

break;

case HexEditor:

setDataInBuffer(bArrdata, HexBuffer);

break;

case ImageViewer:

// Set data in the XML (Sci) Buffer and load the SVG Image

setDataInBuffer(bArrdata, SciBuffer);

sciEdit->setLanguage(DockTextEdit::XML);

// Load the image into the image viewing widget

if (img.loadFromData(bArrdata)) {

ui->editorImage->setPixmap(QPixmap::fromImage(img));

}

break;

case RtlTextEditor:

setDataInBuffer(bArrdata, QtBuffer);

break;

}

break;

default:

// The data seems to be general binary data, which is always loaded

// into the hex widget (the only safe place for it)

// Load the data into the hex buffer

setDataInBuffer(bArrdata, HexBuffer);

switch (editMode) {

case TextEditor:

case JsonEditor:

case XmlEditor:

// Disable text editing, and use a warning message as the contents

sciEdit->setText(QString(tr("Binary data can't be viewed in this mode.") % '\n' %

tr("Try switching to Binary mode.")));

sciEdit->setTextInMargin(Settings::getValue("databrowser", "blob_text").toString());

sciEdit->setEnabled(false);

break;

case RtlTextEditor:

// Disable text editing, and use a warning message as the contents

ui->qtEdit->setText(QString("<i>" %

tr("Binary data can't be viewed in this mode.") % "<br/>" %

tr("Try switching to Binary mode.") %

"</i>"));

ui->qtEdit->setEnabled(false);

break;

case ImageViewer:

// Clear any image from the image viewing widget

ui->editorImage->setPixmap(QPixmap(0,0));

break;

}

}

{

// Get list of supported image file formats to include them in the file dialog filter

QString image_formats;

QList<QByteArray> image_formats_list = QImageReader::supportedImageFormats();

for(int i=0;i<image_formats_list.size();++i)

image_formats.append(QString("*.%1 ").arg(QString::fromUtf8(image_formats_list.at(i))));

// Chop last space

image_formats.chop(1);

QStringList filters;

filters << FILE_FILTER_TXT

<< FILE_FILTER_JSON

<< FILE_FILTER_XML

<< tr("Image files (%1)").arg(image_formats)

<< FILE_FILTER_BIN

<< FILE_FILTER_ALL;

QString selectedFilter;

// Get the current editor mode (eg text, hex, image, json or xml mode)

int mode = ui->comboMode->currentIndex();

// Set as selected filter the appropriate for the current mode.

switch (mode) {

case TextEditor:

case RtlTextEditor:

selectedFilter = FILE_FILTER_TXT;

break;

case HexEditor:

selectedFilter = FILE_FILTER_BIN;

break;

case ImageViewer:

selectedFilter = tr("Image files (%1)").arg(image_formats);

break;

case JsonEditor:

selectedFilter = FILE_FILTER_JSON;

break;

case XmlEditor:

selectedFilter = FILE_FILTER_XML;

break;

}

QString fileName = FileDialog::getOpenFileName(

OpenDataFile,

this,

tr("Choose a file to import")

#ifndef Q_OS_MAC // Filters on OS X are buggy

, filters.join(";;")

, &selectedFilter

#endif

);

if(QFile::exists(fileName))

{

QFile file(fileName);

if(file.open(QIODevice::ReadOnly))

{

QByteArray d = file.readAll();

loadData(d);

file.close();

// Update the cell data info in the bottom left of the Edit Cell

// and update mode (if required) to the just imported data type.

updateCellInfoAndMode(d);

}

}

{

QStringList filters;

switch (dataType) {

case Image: {

// Images get special treatment.

// Determine the likely filename extension.

QByteArray cellData = hexEdit->data();

QBuffer imageBuffer(&cellData);

QImageReader imageReader(&imageBuffer);

QString imageFormat = imageReader.format();

filters << tr("%1 Image").arg(imageFormat.toUpper()) % " (*." % imageFormat.toLower() % ")";

break;

}

case Binary:

filters << tr("Binary files (*.bin)");

break;

case RtlText:

case Text:

// Include the XML case on the text data type, since XML detection is not very sofisticated.

if (ui->comboMode->currentIndex() == XmlEditor)

filters << FILE_FILTER_XML

<< FILE_FILTER_TXT;

else

filters << FILE_FILTER_TXT

<< FILE_FILTER_XML;

break;

case JSON:

filters << FILE_FILTER_JSON;

break;

case SVG:

filters << FILE_FILTER_SVG;

break;

case XML:

filters << FILE_FILTER_XML;

break;

case Null:

return;

}

if (dataSource == HexBuffer)

filters << FILE_FILTER_HEX;

filters << FILE_FILTER_ALL;

QString selectedFilter = filters.first();

QString fileName = FileDialog::getSaveFileName(

CreateDataFile,

this,

tr("Choose a filename to export data"),

filters.join(";;"),

/* defaultFileName */ QString(),

&selectedFilter);

if(fileName.size() > 0)

{

QFile file(fileName);

if(file.open(QIODevice::WriteOnly))

{

switch (dataSource) {

case HexBuffer:

// Data source is the hex buffer

// If text option has been selected, the readable representation of the content is saved to file.

if (selectedFilter == FILE_FILTER_HEX)

file.write(hexEdit->toReadableString().toUtf8());

else

file.write(hexEdit->data());

break;

case SciBuffer:

// Data source is the Scintilla buffer

file.write(sciEdit->text().toUtf8());

break;

case QtBuffer:

// Data source is the text buffer

file.write(ui->qtEdit->toPlainText().toUtf8());

break;

}

file.close();

}

}

{

ui->qtEdit->clear();

ui->editorImage->clear();

hexEdit->setData(QByteArray());

sciEdit->clear();

dataType = Null;

removedBom.clear();

// The text editors don't know the difference between an empty string

// and a NULL, so we need to record NULL outside of that

dataType = Null;

// Ensure the text (Scintilla) editor is enabled

sciEdit->setEnabled(true);

// Update the cell data info in the bottom left of the Edit Cell

// The mode is also (if required) updated to text since it gives

// the better visual clue of containing a NULL value (placeholder).

updateCellInfoAndMode(hexEdit->data());

sciEdit->setFocus();

{

if (!isReadOnly)

ui->buttonApply->setEnabled(true);

{

QMessageBox::StandardButton reply = QMessageBox::question(

this,

tr("Invalid data for this mode"),

tr("The cell contains invalid %1 data. Reason: %2. Do you really want to apply it to the cell?").arg(data_type, errorString),

QMessageBox::Apply | QMessageBox::Cancel);

return (reply == QMessageBox::Apply);

{

if(!m_currentIndex.isValid())

return;

if (dataType == Null) {

emit recordTextUpdated(m_currentIndex, hexEdit->data(), true);

return;

}

// New data for the plain text cases. This is processed after the case.

QString newTextData;

switch (dataSource) {

case QtBuffer:

newTextData = removedBom + ui->qtEdit->toPlainText();

break;

case SciBuffer:

switch (sciEdit->language()) {

case DockTextEdit::PlainText:

newTextData = removedBom + sciEdit->text();

break;

case DockTextEdit::JSON:

{

sciEdit->clearErrorIndicators();

QString oldData = m_currentIndex.data(Qt::EditRole).toString();

QString newData;

bool proceed = true;

json jsonDoc;

try {

jsonDoc = json::parse(sciEdit->text().toStdString());

} catch(json::parse_error& parseError) {

sciEdit->setErrorIndicator(static_cast<int>(parseError.byte - 1));

proceed = promptInvalidData("JSON", parseError.what());

}

if (!jsonDoc.is_null()) {

if (mustIndentAndCompact)

// Compact the JSON data before storing

newData = QString::fromStdString(jsonDoc.dump());

else

newData = sciEdit->text();

} else {

newData = sciEdit->text();

}

proceed = proceed && (oldData != newData);

if (proceed)

// The data is different, so commit it back to the database

emit recordTextUpdated(m_currentIndex, newData.toUtf8(), false);

}

break;

case DockTextEdit::XML:

{

QString oldData = m_currentIndex.data(Qt::EditRole).toString();

QString newData;

QDomDocument xmlDoc;

QString errorMsg;

int errorLine, errorColumn;

bool isValid = xmlDoc.setContent(sciEdit->text().toUtf8(), true, &errorMsg, &errorLine, &errorColumn);

bool proceed;

sciEdit->clearErrorIndicators();

if (!isValid) {

sciEdit->setErrorIndicator(errorLine-1, errorColumn-1, errorLine, 0);

newData = sciEdit->text();

proceed = (oldData != newData && promptInvalidData("XML", errorMsg));

} else {

if (mustIndentAndCompact)

// Compact the XML data before storing. If indent is -1, no whitespace at all is added.

newData = xmlDoc.toString(-1);

else

newData = sciEdit->text();

proceed = (oldData != newData);

}

if (proceed)

// The data is different, so commit it back to the database

emit recordTextUpdated(m_currentIndex, newData.toUtf8(), false);

}

break;

}

break;

case HexBuffer:

// The data source is the hex widget buffer, thus binary data

QByteArray oldData = m_currentIndex.data(Qt::EditRole).toByteArray();

QByteArray newData = hexEdit->data();

if (newData != oldData)

emit recordTextUpdated(m_currentIndex, newData, true);

break;

}

if (!newTextData.isEmpty()) {

QString oldData = m_currentIndex.data(Qt::EditRole).toString();

// Check first for null case, otherwise empty strings cannot overwrite NULL values

if ((m_currentIndex.data(Qt::EditRole).isNull() && dataType != Null) || oldData != newTextData)

// The data is different, so commit it back to the database

emit recordTextUpdated(m_currentIndex, removedBom + newTextData.toUtf8(), false);

}

{

dataSource = source;

QString textData;

// 1) Perform validation and text formatting (if applicable).

// 2) Set the text in the corresponding editor widget (the text widget for the Image case).

// 3) Enable the widget.

switch (dataSource) {

case QtBuffer:

{

// Load the text into the text editor, remove BOM first if there is one

QByteArray dataWithoutBom = bArrdata;

removedBom = removeBom(dataWithoutBom);

textData = QString::fromUtf8(dataWithoutBom.constData(), dataWithoutBom.size());

ui->qtEdit->setPlainText(textData);

// Select all of the text by default (this is useful for simple text data that we usually edit as a whole).

// We don't want this when the QtBuffer has been automatically switched due to the insertion of RTL text,

// (detected through the state of the apply button) otherwise that would break the typing flow of the user.

if (!isReadOnly)

{

if (!ui->buttonApply->isEnabled())

ui->qtEdit->selectAll();

else

ui->qtEdit->moveCursor(QTextCursor::End);

}

ui->qtEdit->setEnabled(true);

break;

}

case SciBuffer:

switch (sciEdit->language()) {

case DockTextEdit::PlainText:

{

// Load the text into the text editor, remove BOM first if there is one

QByteArray dataWithoutBom = bArrdata;

removedBom = removeBom(dataWithoutBom);

textData = QString::fromUtf8(dataWithoutBom.constData(), dataWithoutBom.size());

sciEdit->setText(textData);

// Select all of the text by default (this is useful for simple text data that we usually edit as a whole)

if (!isReadOnly)

sciEdit->selectAll();

sciEdit->setEnabled(true);

break;

}

case DockTextEdit::JSON:

{

sciEdit->clearErrorIndicators();

json jsonDoc;

try {

jsonDoc = json::parse(std::string(bArrdata.constData(), static_cast<size_t>(bArrdata.size())));

} catch(json::parse_error& parseError) {

sciEdit->setErrorIndicator(static_cast<int>(parseError.byte - 1));

}

if (mustIndentAndCompact && !jsonDoc.is_null() && !jsonDoc.is_discarded()) {

// Load indented JSON into the JSON editor

textData = QString::fromStdString(jsonDoc.dump(4));

} else {

// Fallback case. The data is not yet valid JSON or no auto-formatting applied.

textData = QString::fromUtf8(bArrdata.constData(), bArrdata.size());

}

sciEdit->setText(textData);

sciEdit->setEnabled(true);

}

break;

case DockTextEdit::XML:

{

QString errorMsg;

int errorLine, errorColumn;

QDomDocument xmlDoc;

bool isValid = xmlDoc.setContent(bArrdata, true, &errorMsg, &errorLine, &errorColumn);

if (mustIndentAndCompact && isValid) {

// Load indented XML into the XML editor

textData = xmlDoc.toString(Settings::getValue("editor", "tabsize").toInt());

} else {

// Fallback case. The data is not yet valid JSON or no auto-formatting applied.

textData = QString::fromUtf8(bArrdata.constData(), bArrdata.size());

}

sciEdit->setText(textData);

sciEdit->clearErrorIndicators();

if (!isValid)

// Adjust line and column by one (Scintilla starts at 1 and QDomDocument at 0)

sciEdit->setErrorIndicator(errorLine-1, errorColumn-1, errorLine, 0);

sciEdit->setEnabled(true);

}

break;

}

break;

case HexBuffer:

hexEdit->setData(bArrdata);

hexEdit->setEnabled(true);

break;

}

{

ui->actionIndent->setEnabled(newMode == JsonEditor || newMode == XmlEditor);

setStackCurrentIndex(newMode);

// * If the dataSource is the text buffer, the data is always text *

switch (dataSource) {

case QtBuffer:

switch (newMode) {

case RtlTextEditor: // Switching to the RTL text editor

// Nothing to do, as the text is already in the Qt buffer

break;

case TextEditor: // Switching to one of the Scintilla editor modes

case JsonEditor:

case XmlEditor:

setDataInBuffer(ui->qtEdit->toPlainText().toUtf8(), SciBuffer);

break;

case HexEditor: // Switching to the hex editor

// Convert the text widget buffer for the hex widget

// The hex widget buffer is now the main data source

setDataInBuffer(removedBom + ui->qtEdit->toPlainText().toUtf8(), HexBuffer);

break;

case ImageViewer:

// Clear any image from the image viewing widget

ui->editorImage->setPixmap(QPixmap(0,0));

break;

}

break;

case HexBuffer:

// * If the dataSource is the hex buffer, the contents could be anything

// so we just pass it to our loadData() function to handle *

// Note that we have already set the editor, as loadData() relies on it

// being current

// Load the data into the appropriate widget, as done by loadData()

loadData(hexEdit->data());

break;

case SciBuffer:

switch (newMode) {

case RtlTextEditor: // Switching to the RTL text editor

// Convert the Scintilla widget buffer for the Qt widget

setDataInBuffer(sciEdit->text().toUtf8(), QtBuffer);

break;

case HexEditor: // Switching to the hex editor

// Convert the text widget buffer for the hex widget

setDataInBuffer(sciEdit->text().toUtf8(), HexBuffer);

break;

case ImageViewer:

{

// When SVG format, load the image, else clear it.

QByteArray bArrdata = sciEdit->text().toUtf8();

dataType = checkDataType(bArrdata);

if (dataType == SVG) {

QImage img;

if (img.loadFromData(bArrdata))

ui->editorImage->setPixmap(QPixmap::fromImage(img));

else

// Clear any image from the image viewing widget

ui->editorImage->setPixmap(QPixmap(0,0));

}

}

break;

case TextEditor: // Switching to the text editor

case JsonEditor: // Switching to the JSON editor

case XmlEditor: // Switching to the XML editor

// The text is already in the Sci buffer but we need to perform the necessary formatting.

setDataInBuffer(sciEdit->text().toUtf8(), SciBuffer);

break;

}

}

{

if (dataSource == SciBuffer || dataSource == QtBuffer) {

// Update the cell info in the bottom left manually. This is because

// updateCellInfoAndMode() only works with QByteArray's (for now)

int dataLength;

bool isModified;

if(dataSource == QtBuffer) {

// QtBuffer

dataLength = ui->qtEdit->toPlainText().length();

isModified = ui->qtEdit->document()->isModified();

} else {

// SciBuffer

dataLength = sciEdit->text().length();

isModified = sciEdit->isModified();

// Switch to the Qt Editor if we detect right-to-left text,

// since the QScintilla editor does not support it.

if (containsRightToLeft(sciEdit->text()))

ui->comboMode->setCurrentIndex(RtlTextEditor);

}

// If data has been entered in the text editor, it can't be a NULL

// any more. It hasn't been validated yet, so it cannot be JSON nor XML.

if (dataType == Null && isModified && dataLength != 0)

dataType = Text;

if (dataType != Null) {

sciEdit->clearTextInMargin();

ui->labelType->setText(tr("Type of data currently in cell: Text / Numeric"));

}

ui->labelSize->setText(tr("%n character(s)", "", dataLength));

}

{

mustIndentAndCompact = enable;

// Indent or compact if necessary. If data has changed (button Apply indicates so), reload from the widget, else from the table.

if (ui->buttonApply->isEnabled()) {

setDataInBuffer(sciEdit->text().toUtf8(), SciBuffer);

} else

setCurrentIndex(m_currentIndex);

{

QByteArray cellData = bArrdata;

// Check for NULL data type

if (cellData.isNull()) {

return Null;

}

// Check if it's an image

QString imageFormat = isImageData(cellData);

if(!imageFormat.isNull())

return imageFormat == "svg" ? SVG : Image;

// Check if it's text only

if(isTextOnly(cellData))

{

if (cellData.startsWith("<?xml"))

return XML;

auto json_parse_result = json::parse(cellData, nullptr, false);

if(!json_parse_result.is_discarded() && !json_parse_result.is_number())

return JSON;

else {

if (containsRightToLeft(QString::fromUtf8(cellData)))

return RtlText;

else

return Text;

}

}

// It's none of the above, so treat it as general binary data

return Binary;

{

static bool currentMode = false;

currentMode = !currentMode;

hexEdit->setOverwriteMode(currentMode);

ui->qtEdit->setOverwriteMode(currentMode);

sciEdit->setOverwriteMode(currentMode);

{

QDialog::setFocus();

// Set the focus to the editor widget. The idea here is that setting focus

// to the dock itself doesn't make much sense as it's just a frame; you'd

// have to tab to the editor which is what you most likely want to use. So

// in order to save the user from doing this we explicitly set the focus

// to the current editor.

int editMode = ui->editorStack->currentIndex();

switch (editMode) {

case TextEditor:

sciEdit->setFocus();

if (sciEdit->language() == DockTextEdit::PlainText && !isReadOnly)

sciEdit->selectAll();

break;

case RtlTextEditor:

ui->qtEdit->setFocus();

ui->qtEdit->selectAll();

break;

case HexEditor:

hexEdit->setFocus();

break;

case ImageViewer:

// Nothing to do

break;

}

{

isReadOnly = ro;

ui->buttonApply->setEnabled(!ro);

ui->actionNull->setEnabled(!ro);

ui->actionImport->setEnabled(!ro);

ui->qtEdit->setReadOnly(ro);

sciEdit->setReadOnly(ro);

hexEdit->setReadOnly(ro);

// This makes the caret being visible for selection, although the editor is read-only. The read-only state is hinted by the

// caret not blinking. The same is done in ExtendedScintilla.

Qt::TextInteractionFlags textFlags = ro? Qt::TextSelectableByMouse | Qt::TextSelectableByKeyboard : Qt::TextEditorInteraction;

ui->qtEdit->setTextInteractionFlags(textFlags);

{

if (autoSwitchForType) {

// Switch automatically the editing mode according to the detected data.

switch (dataType) {

case Image:

ui->comboMode->setCurrentIndex(ImageViewer);

break;

case Binary:

ui->comboMode->setCurrentIndex(HexEditor);

break;

case Null:

case Text:

ui->comboMode->setCurrentIndex(TextEditor);

break;

case RtlText:

ui->comboMode->setCurrentIndex(RtlTextEditor);

break;

case JSON:

ui->comboMode->setCurrentIndex(JsonEditor);

break;

case SVG:

case XML:

ui->comboMode->setCurrentIndex(XmlEditor);

break;

}

}

{

QByteArray cellData = bArrdata;

switchEditorMode(ui->buttonAutoSwitchMode->isChecked());

// Image data needs special treatment

if (dataType == Image || dataType == SVG) {

QBuffer imageBuffer(&cellData);

QImageReader imageReader(&imageBuffer);

// Display the image format

QString imageFormat = imageReader.format();

ui->labelType->setText(tr("Type of data currently in cell: %1 Image").arg(imageFormat.toUpper()));

// Display the image dimensions and size

QSize imageDimensions = imageReader.size();

unsigned int imageSize = static_cast<unsigned int>(cellData.size());

QString labelSizeText = tr("%1x%2 pixel(s)").arg(imageDimensions.width()).arg(imageDimensions.height()) + ", " + humanReadableSize(imageSize);

ui->labelSize->setText(labelSizeText);

return;

}