FoldingRegionWindow.java

/*
 * Copyright 2000-2014 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.
 */
package com.intellij.injected.editor;

import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.editor.FoldRegion;
import com.intellij.openapi.editor.FoldingGroup;
import com.intellij.openapi.editor.ex.RangeMarkerEx;
import org.jetbrains.annotations.NotNull;

class FoldingRegionWindow extends RangeMarkerWindow implements FoldRegion {
  private final EditorWindow myEditorWindow;

  private final FoldRegion myHostRegion;

  FoldingRegionWindow(@NotNull DocumentWindow documentWindow,
                      @NotNull EditorWindow editorWindow,
                      @NotNull FoldRegion hostRegion,
                      int startShift,
                      int endShift)
  {
    super(documentWindow, (RangeMarkerEx)hostRegion, startShift, endShift);
    myEditorWindow = editorWindow;
    myHostRegion = hostRegion;
  }

  @Override
  public boolean isExpanded() {
    return myHostRegion.isExpanded();
  }

  @Override
  public void setExpanded(boolean expanded) {
    myHostRegion.setExpanded(expanded);
  }

  @Override
  @NotNull
  public String getPlaceholderText() {
    return myHostRegion.getPlaceholderText();
  }

  @Override
  public Editor getEditor() {
    return myEditorWindow;
  }

  @Override
  public FoldingGroup getGroup() {
    return myHostRegion.getGroup();
  }

  @Override
  public boolean shouldNeverExpand() {
    return false;
  }

  @Override
  public RangeMarkerEx getDelegate() {
    return (RangeMarkerEx)myHostRegion;
  }
}