platform/lang-impl/src/com/intellij/codeInsight/editorActions/moveUpDown/MoveStatementHandler.java

/*
 * Copyright 2000-2009 JetBrains s.r.o.
 *
 * 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.
 */

/**
 * @author cdr
 */
package com.intellij.codeInsight.editorActions.moveUpDown;

import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.extensions.Extensions;
import com.intellij.psi.PsiFile;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

class MoveStatementHandler extends BaseMoveHandler {

  public MoveStatementHandler(boolean down) {
    super(down);
  }

  @Override
  @Nullable
  protected MoverWrapper getSuitableMover(@NotNull final Editor editor, @NotNull final PsiFile file) {
    // order is important!
    final StatementUpDownMover[] movers = Extensions.getExtensions(StatementUpDownMover.STATEMENT_UP_DOWN_MOVER_EP);
    final StatementUpDownMover.MoveInfo info = new StatementUpDownMover.MoveInfo();
    for (final StatementUpDownMover mover : movers) {
      if (mover.checkAvailable(editor, file, info, isDown)) {
        return new MoverWrapper(mover, info, isDown);
      }
    }

    // order is important
    //Mover[] movers = new Mover[]{new StatementMover(isDown), new DeclarationMover(isDown), new XmlMover(isDown), new LineMover(isDown)};
    return null;
  }

}