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/*
 * 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.debugger.ui.impl.watch;

import com.intellij.debugger.DebuggerBundle;
import com.intellij.debugger.engine.DebuggerManagerThreadImpl;
import com.intellij.debugger.engine.evaluation.EvaluateException;
import com.intellij.debugger.engine.evaluation.EvaluationContextImpl;
import com.intellij.debugger.ui.tree.render.DescriptorLabelListener;
import com.intellij.xdebugger.impl.ui.XDebuggerUIConstants;

public class MessageDescriptor extends NodeDescriptorImpl {
  public static final int ERROR = 0;
  public static final int WARNING = 1;
  public static final int INFORMATION = 2;
  public static final int SPECIAL = 3;
  private int myKind;
  private String myMessage;

  public static final MessageDescriptor DEBUG_INFO_UNAVAILABLE = new MessageDescriptor(DebuggerBundle.message("message.node.debug.info.not.available"));
  public static final MessageDescriptor LOCAL_VARIABLES_INFO_UNAVAILABLE = new MessageDescriptor(
    DebuggerBundle.message("message.node.local.variables.debug.info.not.available")
  );
  public static final MessageDescriptor ALL_ELEMENTS_IN_VISIBLE_RANGE_ARE_NULL = new MessageDescriptor(
    DebuggerBundle.message("message.node.all.array.elements.null"));
  public static final MessageDescriptor ALL_ELEMENTS_IN_RANGE_ARE_NULL = new MessageDescriptor(
    DebuggerBundle.message("message.node.all.elements.null"));
  public static final MessageDescriptor ARRAY_IS_EMPTY = new MessageDescriptor(DebuggerBundle.message("message.node.empty.array"));
  public static final MessageDescriptor CLASS_HAS_NO_FIELDS = new MessageDescriptor(DebuggerBundle.message("message.node.class.has.no.fields"));
  public static final MessageDescriptor OBJECT_COLLECTED = new MessageDescriptor(DebuggerBundle.message("message.node.object.collected"));
  public static final MessageDescriptor EVALUATING = new MessageDescriptor(XDebuggerUIConstants.COLLECTING_DATA_MESSAGE);
  public static final MessageDescriptor THREAD_IS_RUNNING = new MessageDescriptor(DebuggerBundle.message("message.node.thread.running"));
  public static final MessageDescriptor THREAD_IS_EMPTY = new MessageDescriptor(DebuggerBundle.message("message.node.thread.has.no.frames"));
  public static final MessageDescriptor EVALUATION_NOT_POSSIBLE = new MessageDescriptor(DebuggerBundle.message("message.node.evaluation.not.possible", WARNING));

  public MessageDescriptor(String message) {
    this(message, INFORMATION);
  }

  public MessageDescriptor(String message, int kind) {
    myKind = kind;
    myMessage = message;
  }

  public int getKind() {
    return myKind;
  }

  @Override
  public String getLabel() {
    return myMessage;
  }

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

  @Override
  public void setContext(EvaluationContextImpl context) {
  }

  @Override
  protected String calcRepresentation(EvaluationContextImpl context, DescriptorLabelListener labelListener) throws EvaluateException {
    DebuggerManagerThreadImpl.assertIsManagerThread();
    return myMessage;
  }
}