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108 lines
3.2 KiB
108 lines
3.2 KiB
/**************************************************************************** |
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* |
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* (c) 2009-2020 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org> |
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* |
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* QGroundControl is licensed according to the terms in the file |
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* COPYING.md in the root of the source code directory. |
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* |
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****************************************************************************/ |
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#include "ShapeFileHelper.h" |
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#include "AppSettings.h" |
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#include "KMLHelper.h" |
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#include "SHPFileHelper.h" |
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#include <QFile> |
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const char* ShapeFileHelper::_errorPrefix = QT_TR_NOOP("Shape file load failed. %1"); |
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QVariantList ShapeFileHelper::determineShapeType(const QString& file) |
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{ |
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QString errorString; |
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ShapeType shapeType = determineShapeType(file, errorString); |
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QVariantList varList; |
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varList.append(QVariant::fromValue(shapeType)); |
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varList.append(QVariant::fromValue(errorString)); |
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return varList; |
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} |
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bool ShapeFileHelper::_fileIsKML(const QString& file, QString& errorString) |
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{ |
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errorString.clear(); |
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if (file.endsWith(AppSettings::kmlFileExtension)) { |
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return true; |
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} else if (file.endsWith(AppSettings::shpFileExtension)) { |
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return false; |
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} else { |
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errorString = QString(_errorPrefix).arg(tr("Unsupported file type. Only .%1 and .%2 are supported.").arg(AppSettings::kmlFileExtension).arg(AppSettings::shpFileExtension)); |
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} |
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return true; |
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} |
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ShapeFileHelper::ShapeType ShapeFileHelper::determineShapeType(const QString& file, QString& errorString) |
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{ |
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ShapeType shapeType = Error; |
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errorString.clear(); |
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bool fileIsKML = _fileIsKML(file, errorString); |
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if (errorString.isEmpty()) { |
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if (fileIsKML) { |
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shapeType = KMLHelper::determineShapeType(file, errorString); |
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} else { |
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shapeType = SHPFileHelper::determineShapeType(file, errorString); |
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} |
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} |
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return shapeType; |
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} |
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bool ShapeFileHelper::loadPolygonFromFile(const QString& file, QList<QGeoCoordinate>& vertices, QString& errorString) |
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{ |
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bool success = false; |
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errorString.clear(); |
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vertices.clear(); |
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bool fileIsKML = _fileIsKML(file, errorString); |
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if (errorString.isEmpty()) { |
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if (fileIsKML) { |
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success = KMLHelper::loadPolygonFromFile(file, vertices, errorString); |
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} else { |
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success = SHPFileHelper::loadPolygonFromFile(file, vertices, errorString); |
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} |
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} |
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return success; |
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} |
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bool ShapeFileHelper::loadPolylineFromFile(const QString& file, QList<QGeoCoordinate>& coords, QString& errorString) |
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{ |
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errorString.clear(); |
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coords.clear(); |
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bool fileIsKML = _fileIsKML(file, errorString); |
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if (errorString.isEmpty()) { |
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if (fileIsKML) { |
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KMLHelper::loadPolylineFromFile(file, coords, errorString); |
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} else { |
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errorString = QString(_errorPrefix).arg(tr("Polyline not support from SHP files.")); |
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} |
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} |
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return errorString.isEmpty(); |
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} |
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QStringList ShapeFileHelper::fileDialogKMLFilters(void) const |
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{ |
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return QStringList(tr("KML Files (*.%1)").arg(AppSettings::kmlFileExtension)); |
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} |
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QStringList ShapeFileHelper::fileDialogKMLOrSHPFilters(void) const |
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{ |
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return QStringList(tr("KML/SHP Files (*.%1 *.%2)").arg(AppSettings::kmlFileExtension).arg(AppSettings::shpFileExtension)); |
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}
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