/**
* Ungroups the given \a layer. If the layer itself is a group layer, then this
* group is ungrouped. Otherwise, if the layer is part of a group layer, then
* it is removed from the group.
*/
void MapDocument::ungroupLayer(Layer *layer)
{
if (!layer)
return;
GroupLayer *groupLayer = layer->asGroupLayer();
QList<Layer *> layers;
if (groupLayer) {
layers = groupLayer->layers();
} else if (layer->parentLayer()) {
layers.append(layer);
groupLayer = layer->parentLayer();
} else {
// No ungrouping possible
return;
}
GroupLayer *targetParent = groupLayer->parentLayer();
int groupIndex = groupLayer->siblingIndex();
mUndoStack->beginMacro(tr("Ungroup Layer"));
mUndoStack->push(new ReparentLayers(this, layers, targetParent, groupIndex + 1));
if (groupLayer->layerCount() == 0)
mUndoStack->push(new RemoveLayer(this, groupIndex, targetParent));
mUndoStack->endMacro();
}
QVariant MapToVariantConverter::toVariant(const GroupLayer &groupLayer,
Map::LayerDataFormat format) const
{
QVariantMap groupLayerVariant;
groupLayerVariant[QLatin1String("type")] = QLatin1String("group");
addLayerAttributes(groupLayerVariant, groupLayer);
groupLayerVariant[QLatin1String("layers")] = toVariant(groupLayer.layers(),
format);
return groupLayerVariant;
}
