Package util.ui.progress

Source Code of util.ui.progress.ProgressMonitorGroup

/*
* TV-Browser
* Copyright (C) 04-2003 Martin Oberhauser (darras@users.sourceforge.net)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*
* CVS information:
*  $RCSfile$
*   $Source$
*     $Date: 2011-02-14 21:25:17 +0100 (Mon, 14 Feb 2011) $
*   $Author: bananeweizen $
* $Revision: 6907 $
*/
package util.ui.progress;

import java.util.logging.Logger;

import javax.swing.JLabel;
import javax.swing.JProgressBar;

import devplugin.ProgressMonitor;

/**
*
*
* @author Til Schneider, www.murfman.de
*/
public class ProgressMonitorGroup {

  private static final Logger mLog = Logger.getLogger(ProgressMonitorGroup.class.getName());

  private int MAXIMUM = 1000;

  private ProgressMonitor mDelegate;
  private int mTotalWeight;
  private int mUsedWeight;

  private int mCurrentMonitorWeight;
  private int mCurrentMonitorMaximum;


  public ProgressMonitorGroup(ProgressMonitor delegate, int totalWeight) {
    mDelegate = delegate;
    mTotalWeight = totalWeight;

    mDelegate.setMaximum(MAXIMUM);
  }


  public ProgressMonitorGroup(JProgressBar progressBar, JLabel label, int totalWeight) {
    this (new ProgressBarProgressMonitor(progressBar, label), totalWeight);
  }


  public ProgressMonitor getNextProgressMonitor(int weight) {
    // Add the weight of the last monitor
    mUsedWeight += mCurrentMonitorWeight;

    // Remember the weight of the current monitor
    mCurrentMonitorWeight = weight;

    return new ProgressMonitor() {
      public void setMaximum(int maximum) {
        mCurrentMonitorMaximum = maximum;
      }

      public void setValue(int value) {
        setCurrentMonitorValue(value);
      }

      public void setMessage(String msg) {
        mDelegate.setMessage(msg);
      }
    };
  }


  private void setCurrentMonitorValue(int value) {
    // Ensure that the value is in the range
    if ((value < 0) || (value > mCurrentMonitorMaximum)) {
      mLog.severe("Progress value " + value
        + " is out of range [0.." + mCurrentMonitorMaximum + "]");
      return;
    }

    int groupStartValue = MAXIMUM * mUsedWeight / mTotalWeight;
    int groupValue = MAXIMUM * mCurrentMonitorWeight
                   * value / mCurrentMonitorMaximum / mTotalWeight;

    int result = groupStartValue + groupValue;
    if (result >= 0) {
      mDelegate.setValue(result);
    }
  }

}
TOP

Related Classes of util.ui.progress.ProgressMonitorGroup

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.