import method
bool
import(
- ImportStack stack
)
inherited
Implementation
@override
bool import(ImportStack stack) {
var backboardImporter =
stack.latest<BackboardImporter>(BackboardBase.typeKey);
if (backboardImporter == null) {
return false;
}
// When we paste a FileAssetReference (e.g an Image) into a file, we want to
// prevent the asset being re-added if there is already a copy of it in the
// file. We check if an asset with the same assetId already exists, and if
// so add it to the backboard importer, any fileAssetReferences will map
// to the existing asset instead.
for (final object in backboardImporter.backboard.assets) {
if (object is FileAsset && object.assetId == assetId) {
backboardImporter.addFileAsset(object);
return false;
}
}
backboardImporter.addFileAsset(this);
return super.import(stack);
}