UsageTargetNode.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.
 */
package com.intellij.usages.impl;

import com.intellij.usages.UsageTarget;
import com.intellij.usages.UsageView;
import com.intellij.util.ObjectUtils;
import org.jetbrains.annotations.NotNull;

/**
 * @author max
 */
class UsageTargetNode extends Node {
  UsageTargetNode(@NotNull UsageTarget target) {
    setUserObject(target);
  }

  @Override
  public String tree2string(int indent, String lineSeparator) {
    return getTarget().getName();
  }

  @Override
  protected boolean isDataValid() {
    return getTarget().isValid();
  }

  @Override
  protected boolean isDataReadOnly() {
    return getTarget().isReadOnly();
  }

  @Override
  protected boolean isDataExcluded() {
    return false;
  }

  @NotNull
  @Override
  protected String getText(@NotNull final UsageView view) {
    return ObjectUtils.notNull(getTarget().getPresentation().getPresentableText(), "");
  }

  @NotNull
  public UsageTarget getTarget() {
    return (UsageTarget)getUserObject();
  }

  @Override
  protected void updateNotify() {
    super.updateNotify();
    getTarget().update();
  }
}