/*******************************************************************************
    * Copyhacked (H) 2012-2025.
    * This program and the accompanying materials
    * are made available under no term at all, use it like
    * you want, but share and discuss it
    * every time possible with every body.
    *
    * Contributors:
    *      ron190 at ymail dot com - initial implementation
   ******************************************************************************/
  package com.jsql.view.swing.tree;
  
  import com.jsql.util.LogLevelUtil;
  import com.jsql.view.swing.util.UiUtil;
  import org.apache.logging.log4j.LogManager;
  import org.apache.logging.log4j.Logger;
  
  import javax.imageio.ImageIO;
  import javax.swing.*;
  import java.awt.*;
  import java.awt.image.BufferedImage;
  import java.io.IOException;
  import java.util.Objects;
  
  /**
   * A progress bar with a Pause icon over it.
   */
  public class ProgressBarPausable extends JProgressBar {
      
      /**
       * Log4j logger sent to view.
       */
      private static final Logger LOGGER = LogManager.getRootLogger();
  
      /**
       * True if icon should be displayed, false otherwise.
       */
      private boolean isIconDisplayed = false;
  
      @Override
      public void paint(Graphics graphics) {
          
          // Fix #42285: InternalError on paint()
          try {
              super.paint(graphics);
          } catch (InternalError e) {
              LOGGER.log(LogLevelUtil.CONSOLE_JAVA, e, e);
          }
  
          if (this.isIconDisplayed) {
              try {
                  BufferedImage bufferedImage = ImageIO.read(
                      Objects.requireNonNull(ProgressBarPausable.class.getClassLoader().getResource(UiUtil.PATH_PAUSE))
                  );
                  graphics.drawImage(
                      bufferedImage,
                      (this.getWidth() - bufferedImage.getWidth()) / 2,
                      (this.getHeight() - bufferedImage.getHeight()) / 2,
                      null
                  );
              } catch (IOException e) {
                  LOGGER.log(LogLevelUtil.CONSOLE_JAVA, e, e);
              }
          }
      }
  
      /**
       * Activate pause state, hence display pause icon.
       */
      public void pause() {
          this.isIconDisplayed = true;
      }
  }