package com.dci.intellij.dbn.language.psql.structure;
import com.dci.intellij.dbn.common.editor.structure.EmptyStructureViewModel;
import com.dci.intellij.dbn.common.util.DocumentUtil;
import com.intellij.ide.structureView.StructureViewBuilder;
import com.intellij.ide.structureView.StructureViewModel;
import com.intellij.ide.structureView.TreeBasedStructureViewBuilder;
import com.intellij.lang.PsiStructureViewFactory;
import com.intellij.openapi.editor.Editor;
import com.intellij.psi.PsiFile;
import com.intellij.psi.util.PsiEditorUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
public class PSQLStructureViewBuilderFactory implements PsiStructureViewFactory {
public StructureViewBuilder getStructureViewBuilder(final PsiFile psiFile) {
return new TreeBasedStructureViewBuilder() {
@NotNull
public StructureViewModel createStructureViewModel() {
return psiFile == null || isDisposed() ? EmptyStructureViewModel.INSTANCE : new PSQLStructureViewModel(psiFile);
}
@NotNull
@Override
public StructureViewModel createStructureViewModel(@Nullable Editor editor) {
PsiFile psiFile = DocumentUtil.getFile(editor);
return psiFile == null || isDisposed() ? EmptyStructureViewModel.INSTANCE : new PSQLStructureViewModel(psiFile);
}
private boolean isDisposed() {
return PsiEditorUtil.Service.getInstance() == null;
}
};
}
}