package com.jsql.view.swing.panel.split;
   
   import com.jsql.view.swing.util.MediatorHelper;
   
   import javax.swing.*;
   import java.awt.event.ActionEvent;
   import java.awt.event.ActionListener;
   
   /**
   * MouseAdapter to show/hide bottom panel.
   */
  public class ActionHideShowConsole implements ActionListener {
      
      /**
       * Ersatz panel to display in place of tabbedpane.
       */
      private final JPanel panel;
      
      /**
       * Create the hide/show bottom panel action.
       */
      public ActionHideShowConsole(JPanel panel) {
          this.panel = panel;
      }
  
      /**
       * Hide bottom panel if both main and bottom are visible, also
       * displays an ersatz bar replacing tabbedpane.
       * Or else if only main panel is visible then displays bottom panel
       * and hide ersatz panel.
       */
      @Override
      public void actionPerformed(ActionEvent e) {
          var split = MediatorHelper.frame().getSplitNS();
          if (split.getTopComponent().isVisible() && split.getBottomComponent().isVisible()) {
              MediatorHelper.panelConsoles().setDividerLocation(split.getDividerLocation());
              split.getBottomComponent().setVisible(false);
              this.panel.setVisible(true);
              split.setDividerSize(0);  // required to hide bar
          } else if (
              this.panel.isVisible()
              || !split.getTopComponent().isVisible()
              && split.getBottomComponent().isVisible()
          ) {
              split.getBottomComponent().setVisible(true);
              split.getTopComponent().setVisible(true);
              this.panel.setVisible(false);
              split.setDividerLocation(MediatorHelper.panelConsoles().getDividerLocation());
              split.setDividerSize(UIManager.getInt("SplitPane.dividerSize"));
              MediatorHelper.panelConsoles().getLabelShowNorth().setVisible(true);
          }
      }
  }