private EditableSModel getContextModel(AbstractTreeNode selectedNode) {
if (selectedNode instanceof MPSPsiElementTreeNode) {
MPSPsiNodeBase value = ((MPSPsiElementTreeNode) selectedNode).getValue();
return getModel(value);
} else if (selectedNode instanceof MPSPsiModelTreeNode) {
MPSPsiModel psiModel = ((MPSPsiModelTreeNode) selectedNode).getModel();
SModel sModel = psiModel.getSModelReference().resolve(MPSModuleRepository.getInstance());
return (EditableSModel) sModel;
}
return null;
}
private <T> T getModelProvider(
AbstractTreeNode treeNode, ModelProviderFactory<T> createProvider) {
if (!(treeNode instanceof MPSPsiModelTreeNode)) return null; // only model
MPSPsiModel psiModel = ((MPSPsiModelTreeNode) treeNode).getModel();
if (psiModel == null || !psiModel.isValid()) return null;
Project project = treeNode.getProject();
EditableSModel modelDescriptor = getModel(treeNode);
jetbrains.mps.project.Project mpsProject = ProjectHelper.toMPSProject(project);
if (mpsProject == null || modelDescriptor == null) return null;
SModel sModel = modelDescriptor;
if (sModel == null) return null;
return createProvider.create(modelDescriptor, sModel, mpsProject);
}
private EditableSModel getModel(AbstractTreeNode selectedNode) {
if (selectedNode instanceof MPSPsiElementTreeNode) {
MPSPsiNodeBase value = ((MPSPsiElementTreeNode) selectedNode).getValue();
return getModel(value);
} else if (selectedNode instanceof MPSPsiModelTreeNode) {
MPSPsiModel psiModel = ((MPSPsiModelTreeNode) selectedNode).getModel();
SModel sModel = psiModel.getSModelReference().resolve(MPSModuleRepository.getInstance());
return (EditableSModel) sModel;
} else if (selectedNode instanceof PsiDirectoryNode) {
SModel sModel =
SModelFileTracker.getInstance()
.findModel(
VirtualFileUtils.toIFile(((PsiDirectoryNode) selectedNode).getVirtualFile()));
if (sModel instanceof EditableSModel) {
return (EditableSModel) sModel;
}
}
return null;
}
private EditableSModel getModel(MPSPsiNodeBase mpsPsiNode) {
MPSPsiModel containingModel = mpsPsiNode.getContainingModel();
SModel sModel = containingModel.getSModelReference().resolve(MPSModuleRepository.getInstance());
return (EditableSModel) sModel;
}