bool CFileNode::data(QString gate_name, const CConstDataPointer &data)
{
// No input gates.
Q_UNUSED(gate_name);
if(data->getType() == "message") {
auto pmsg = data.staticCast<const CMessageData>();
QString msg = pmsg->getMessage();
if(msg == "start") {
// Create and read the file.
QSharedPointer<CFileData> file_data =
QSharedPointer<CFileData>(
static_cast<CFileData *>(createData("file")));
QVariant filename = getConfig().getParameter("input_file")->value;
QVariant binary = getConfig().getParameter("binary")->value;
if(!file_data.isNull() &&
file_data->readFile(filename.toString(),
binary.toBool())) {
commit("out", file_data);
}
else {
commitError("out", "Could not read file.");
}
return true;
}
}
return false;
}
bool QgsGuiVectorLayerTools::saveEdits( QgsVectorLayer* layer ) const
{
bool res = true;
if ( layer->isModified() )
{
if ( !layer->commitChanges() )
{
commitError( layer );
// Leave the in-memory editing state alone,
// to give the user a chance to enter different values
// and try the commit again later
res = false;
}
layer->startEditing();
}
else //layer not modified
{
res = true;
}
return res;
}
bool CMawiLabelsNode::data(QString gate_name, const CConstDataPointer &data)
{
Q_UNUSED(gate_name);
// Process input files.
if(data->getType() == "file") {
// The file to read.
auto p_file = data.staticCast<const CFileData>();
// The table to output the anomalies.
QSharedPointer<CTableData> table_data = createTable();
// Place the anomaly labels of the XML file into a table.
if(parseMawiXml(p_file->getBytes(), table_data)) {
// Pass the table of anomalies forward.
commit("out", table_data);
}
else {
commitError("out", "MAWI labels could not be parsed correctly.");
}
return true;
}
return false;
}
bool QgsGuiVectorLayerTools::stopEditing( QgsVectorLayer* layer, bool allowCancel ) const
{
bool res = true;
if ( layer->isModified() )
{
QMessageBox::StandardButtons buttons = QMessageBox::Save | QMessageBox::Discard;
if ( allowCancel )
buttons |= QMessageBox::Cancel;
switch ( QMessageBox::information( 0,
tr( "Stop editing" ),
tr( "Do you want to save the changes to layer %1?" ).arg( layer->name() ),
buttons ) )
{
case QMessageBox::Cancel:
res = false;
break;
case QMessageBox::Save:
if ( !layer->commitChanges() )
{
commitError( layer );
// Leave the in-memory editing state alone,
// to give the user a chance to enter different values
// and try the commit again later
res = false;
}
layer->triggerRepaint();
break;
case QMessageBox::Discard:
QgisApp::instance()->mapCanvas()->freeze( true );
if ( !layer->rollBack() )
{
QgisApp::instance()->messageBar()->pushMessage( tr( "Error" ),
tr( "Problems during roll back" ),
QgsMessageBar::CRITICAL );
res = false;
}
QgisApp::instance()->mapCanvas()->freeze( false );
layer->triggerRepaint();
break;
default:
break;
}
}
else //layer not modified
{
QgisApp::instance()->mapCanvas()->freeze( true );
layer->rollBack();
QgisApp::instance()->mapCanvas()->freeze( false );
res = true;
layer->triggerRepaint();
}
return res;
}
