/*
 * Copyright 2013-2014 Grzegorz Ligas <ligasgr@gmail.com> and other contributors
 * (see the CONTRIBUTORS file).
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.intellij.xquery.structure;

import com.intellij.ide.structureView.StructureViewModel;
import com.intellij.ide.structureView.StructureViewModelBase;
import com.intellij.ide.structureView.StructureViewTreeElement;
import com.intellij.ide.util.treeView.smartTree.Filter;
import com.intellij.ide.util.treeView.smartTree.Sorter;
import com.intellij.psi.PsiFile;
import org.intellij.xquery.psi.XQueryFile;
import org.jetbrains.annotations.NotNull;

/**
 * User: ligasgr
 * Date: 21/08/13
 * Time: 14:39
 */
public class XQueryStructureViewModel extends StructureViewModelBase implements
        StructureViewModel.ElementInfoProvider {
    public XQueryStructureViewModel(PsiFile psiFile) {
        super(psiFile, new XQueryStructureViewElement(psiFile));
    }

    @NotNull
    public Sorter[] getSorters() {
        return new Sorter[]{Sorter.ALPHA_SORTER};
    }

    @org.jetbrains.annotations.NotNull
    @Override
    public Filter[] getFilters() {
        return new Filter[]{new VisibilityFilter()};
    }

    @Override
    public boolean isAlwaysShowsPlus(StructureViewTreeElement element) {
        return false;
    }

    @Override
    public boolean isAlwaysLeaf(StructureViewTreeElement element) {
        return element instanceof XQueryFile;
    }
}