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109 lines
3.2 KiB
109 lines
3.2 KiB
7 years ago
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/****************************************************************************
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*
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* (c) 2009-2016 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 "KMLFileHelper.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 = KMLFileHelper::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 = KMLFileHelper::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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KMLFileHelper::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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