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C++ QgsVectorDataProvider::errors方法代码示例

本文整理汇总了C++中QgsVectorDataProvider::errors方法的典型用法代码示例。如果您正苦于以下问题:C++ QgsVectorDataProvider::errors方法的具体用法?C++ QgsVectorDataProvider::errors怎么用?C++ QgsVectorDataProvider::errors使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在QgsVectorDataProvider的用法示例。


在下文中一共展示了QgsVectorDataProvider::errors方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: commitChanges


//.........这里部分代码省略.........

    //
    // delete features
    //
    if ( !mDeletedFeatureIds.isEmpty() )
    {
      if (( cap & QgsVectorDataProvider::DeleteFeatures ) && provider->deleteFeatures( mDeletedFeatureIds ) )
      {
        commitErrors << tr( "SUCCESS: %n feature(s) deleted.", "deleted features count", mDeletedFeatureIds.size() );
        // TODO[MD]: we should not need this here
        for ( QgsFeatureIds::const_iterator it = mDeletedFeatureIds.begin(); it != mDeletedFeatureIds.end(); it++ )
        {
          mChangedAttributeValues.remove( *it );
          mChangedGeometries.remove( *it );
        }

        emit committedFeaturesRemoved( L->id(), mDeletedFeatureIds );

        mDeletedFeatureIds.clear();
      }
      else
      {
        commitErrors << tr( "ERROR: %n feature(s) not deleted.", "not deleted features count", mDeletedFeatureIds.size() );
        success = false;
      }
    }

    //
    //  add features
    //
    if ( !mAddedFeatures.isEmpty() )
    {
      if ( cap & QgsVectorDataProvider::AddFeatures )
      {
        QList<QgsFeatureId> ids = mAddedFeatures.keys();
        QgsFeatureList featuresToAdd = mAddedFeatures.values();

        if ( provider->addFeatures( featuresToAdd ) )
        {
          commitErrors << tr( "SUCCESS: %n feature(s) added.", "added features count", featuresToAdd.size() );

          emit committedFeaturesAdded( L->id(), featuresToAdd );

          // notify everyone that the features with temporary ids were updated with permanent ids
          for ( int i = 0; i < featuresToAdd.count(); ++i )
          {
            if ( featuresToAdd[i].id() != ids[i] )
            {
              emit featureDeleted( ids[i] );
              emit featureAdded( featuresToAdd[i].id() );
            }
          }

          mAddedFeatures.clear();
        }
        else
        {
          commitErrors << tr( "ERROR: %n feature(s) not added.", "not added features count", mAddedFeatures.size() );
          success = false;
        }
      }
      else
      {
        commitErrors << tr( "ERROR: %n feature(s) not added - provider doesn't support adding features.", "not added features count", mAddedFeatures.size() );
        success = false;
      }
    }
  }

  //
  // update geometries
  //
  if ( !mChangedGeometries.isEmpty() )
  {
    if (( cap & QgsVectorDataProvider::ChangeGeometries ) && provider->changeGeometryValues( mChangedGeometries ) )
    {
      commitErrors << tr( "SUCCESS: %n geometries were changed.", "changed geometries count", mChangedGeometries.size() );

      emit committedGeometriesChanges( L->id(), mChangedGeometries );

      mChangedGeometries.clear();
    }
    else
    {
      commitErrors << tr( "ERROR: %n geometries not changed.", "not changed geometries count", mChangedGeometries.size() );
      success = false;
    }
  }

  if ( !success )
  {
    if ( provider->hasErrors() )
    {
      commitErrors << tr( "\n  Provider errors:" ) << provider->errors();
      provider->clearErrors();
    }
  }

  return success;
}
开发者ID:L-Infantini,项目名称:Quantum-GIS,代码行数:101,代码来源:qgsvectorlayereditbuffer.cpp


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