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/*
 * Copyright 2000-2012 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.debugger.settings;

import com.intellij.openapi.components.*;
import com.intellij.openapi.util.DefaultJDOMExternalizer;
import com.intellij.openapi.util.InvalidDataException;
import com.intellij.openapi.util.WriteExternalException;
import org.jdom.Element;

@State(
  name="ViewsSettings",
  storages= {
    @Storage(
      file = StoragePathMacros.APP_CONFIG + "/debugger.frameview.xml"
    )}
)
public class ViewsGeneralSettings implements PersistentStateComponent<Element> {
  public boolean SHOW_OBJECTID = true;
  public boolean HIDE_NULL_ARRAY_ELEMENTS = true;
  public boolean AUTOSCROLL_TO_NEW_LOCALS = true;
  public boolean ENABLE_AUTO_EXPRESSIONS = true;

  public ViewsGeneralSettings() {
  }

  public static ViewsGeneralSettings getInstance() {
    return ServiceManager.getService(ViewsGeneralSettings.class);
  }

  public void loadState(Element element) {
    try {
      DefaultJDOMExternalizer.readExternal(this, element);
    }
    catch (InvalidDataException e) {
      // ignore
    }
  }

  public Element getState() {
    Element element = new Element("ViewsGeneralSettings");
    try {
      DefaultJDOMExternalizer.writeExternal(this, element);
    }
    catch (WriteExternalException e) {
      // ignore
    }
    return element;
  }

  public boolean equals(Object object) {
    if(!(object instanceof ViewsGeneralSettings)) return false;
    ViewsGeneralSettings generalSettings = ((ViewsGeneralSettings) object);
    return SHOW_OBJECTID == generalSettings.SHOW_OBJECTID &&
           HIDE_NULL_ARRAY_ELEMENTS == generalSettings.HIDE_NULL_ARRAY_ELEMENTS &&
           AUTOSCROLL_TO_NEW_LOCALS == generalSettings.AUTOSCROLL_TO_NEW_LOCALS;
  }

}