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Disable automatic zoom to problem when fixing errors on geometries
Single geomtry checks (is valid) are exuted on the fly, if the map canvas suddenly
changes the current extent while fixing a geometry this becomes very nervous for
a user.
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m-kuhn committed Mar 18, 2019
1 parent 1f0db27 commit 1ab1ad5
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Showing 4 changed files with 33 additions and 0 deletions.
19 changes: 19 additions & 0 deletions src/app/qgsgeometryvalidationdock.cpp
Expand Up @@ -85,6 +85,11 @@ void QgsGeometryValidationDock::setGeometryValidationModel( QgsGeometryValidatio
connect( mGeometryValidationModel, &QgsGeometryValidationModel::dataChanged, this, &QgsGeometryValidationDock::onDataChanged );
connect( mGeometryValidationModel, &QgsGeometryValidationModel::rowsRemoved, this, &QgsGeometryValidationDock::updateCurrentError );
connect( mGeometryValidationModel, &QgsGeometryValidationModel::rowsInserted, this, &QgsGeometryValidationDock::onRowsInserted );

// We cannot connect to the regular aboutToRemoveRows signal, because we need this to happen
// before the currentIndex is changed.
connect( mGeometryValidationModel, &QgsGeometryValidationModel::aboutToRemoveSingleGeometryCheck, this, [this]() { mPreventZoomToError = true; } );
connect( mGeometryValidationModel, &QgsGeometryValidationModel::rowsRemoved, this, [this]() { mPreventZoomToError = false; } );
}

void QgsGeometryValidationDock::gotoNextError()
Expand Down Expand Up @@ -243,6 +248,20 @@ void QgsGeometryValidationDock::onCurrentErrorChanged( const QModelIndex &curren

bool hasFeature = !FID_IS_NULL( current.data( QgsGeometryValidationModel::ErrorFeatureIdRole ) );
mZoomToFeatureButton->setEnabled( hasFeature );

if ( !mPreventZoomToError )
{
switch ( mLastZoomToAction )
{
case ZoomToProblem:
zoomToProblem();
break;

case ZoomToFeature:
zoomToFeature();
break;
}
}
}

void QgsGeometryValidationDock::onCurrentLayerChanged( QgsMapLayer *layer )
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1 change: 1 addition & 0 deletions src/app/qgsgeometryvalidationdock.h
Expand Up @@ -80,6 +80,7 @@ class QgsGeometryValidationDock : public QgsDockWidget, public Ui_QgsGeometryVal
QgsRubberBand *mErrorRubberband = nullptr;
QgsRubberBand *mErrorLocationRubberband = nullptr;
QgsVectorLayer *mCurrentLayer = nullptr;
bool mPreventZoomToError = false;
};

#endif // QGSGEOMETRYVALIDATIONPANEL_H
4 changes: 4 additions & 0 deletions src/app/qgsgeometryvalidationmodel.cpp
Expand Up @@ -255,6 +255,7 @@ void QgsGeometryValidationModel::onSingleGeometryCheckCleared( QgsVectorLayer *l

if ( mCurrentLayer == layer && !layerErrors.empty() )
{
emit aboutToRemoveSingleGeometryCheck();
beginRemoveRows( QModelIndex(), 0, layerErrors.size() - 1 );
}

Expand All @@ -277,7 +278,10 @@ void QgsGeometryValidationModel::onGeometryCheckCompleted( QgsVectorLayer *layer
if ( featureIdx > -1 && errors.empty() ) // && !mGeometryValidationService->validationActive( layer, fid ) )
{
if ( mCurrentLayer == layer )
{
emit aboutToRemoveSingleGeometryCheck();
beginRemoveRows( QModelIndex(), featureIdx, featureIdx );
}

layerErrors.removeAt( featureIdx );

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9 changes: 9 additions & 0 deletions src/app/qgsgeometryvalidationmodel.h
Expand Up @@ -49,6 +49,15 @@ class QgsGeometryValidationModel : public QAbstractItemModel

QgsVectorLayer *currentLayer() const;

signals:

/**
* Emitted before single geometry check results are removed.
* This is guaranteed to be emitted before the models regular
* aboutToRemoveRows() signal.
*/
void aboutToRemoveSingleGeometryCheck();

public slots:
void setCurrentLayer( QgsVectorLayer *currentLayer );

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