uimaj-2.3.0-incubating/uimaj-tools/src/main/java/org/apache/uima/tools/cvd/control/NewTextEventHandler.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.uima.tools.cvd.control;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import org.apache.uima.tools.cvd.MainFrame;

/**
 * Clear text area.
 */
public class NewTextEventHandler implements ActionListener {

  private final MainFrame main;

  public NewTextEventHandler(MainFrame frame) {
    super();
    this.main = frame;
  }

  public void actionPerformed(ActionEvent event) {
    this.main.setTextFile(null);
    this.main.getTextArea().setText("");
    if (this.main.isDirty()) {
      this.main.setDirty(false);
    }
    this.main.setTitle();
    this.main.resetTrees();
    this.main.setSaveTextFileEnable(false);
    this.main.getUndoMgr().discardAllEdits();
    this.main.setFileStatusMessage();
    this.main.setStatusbarMessage("Text area cleared.");
  }

}