/*******************************************************************************
    * 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.manager;
  
  import com.jsql.util.LogLevelUtil;
  import com.jsql.view.swing.tree.CellEditorNode;
  import com.jsql.view.swing.tree.CellRendererNode;
  import com.jsql.view.swing.tree.TreeDatabase;
  import com.jsql.view.swing.tree.model.AbstractNodeModel;
  import com.jsql.view.swing.tree.model.NodeModelEmpty;
  import com.jsql.view.swing.util.I18nViewUtil;
  import com.jsql.view.swing.util.MediatorHelper;
  import org.apache.logging.log4j.LogManager;
  import org.apache.logging.log4j.Logger;
  
  import javax.swing.*;
  import javax.swing.event.TreeModelEvent;
  import javax.swing.event.TreeModelListener;
  import javax.swing.tree.DefaultMutableTreeNode;
  import javax.swing.tree.TreePath;
  import javax.swing.tree.TreeSelectionModel;
  import java.awt.*;
  import java.awt.event.KeyAdapter;
  import java.awt.event.KeyEvent;
  import java.awt.event.MouseAdapter;
  import java.awt.event.MouseEvent;
  
  /**
   * Manager to code/decode string in various methods.
   */
  public class ManagerDatabase extends JPanel {
      
      private static final Logger LOGGER = LogManager.getRootLogger();
  
      private final TreeDatabase tree;
  
      /**
       * Create a panel to encode a string.
       */
      public ManagerDatabase() {
          super(new BorderLayout());
  
          // First node in tree
          AbstractNodeModel nodeModelEmpty = new NodeModelEmpty(I18nViewUtil.valueByKey("DATABASE_EMPTY"));
          var root = new DefaultMutableTreeNode(nodeModelEmpty);
          I18nViewUtil.addComponentForKey("DATABASE_EMPTY", nodeModelEmpty);
  
          this.tree = new TreeDatabase(root);
          this.tree.setName("treeDatabases");
          MediatorHelper.register(this.tree);
  
          this.tree.setCellRenderer(new CellRendererNode());
          this.tree.addMouseListener(this.getTreeMouseListener());
          this.tree.addKeyListener(this.getTreeKeyListener());
          this.tree.setCellEditor(new CellEditorNode());
          this.tree.setEditable(true);  // allows repaint nodes
          this.tree.setShowsRootHandles(true);
          this.tree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
          this.tree.getModel().addTreeModelListener(new TreeModelProgressListener());  // required to repaint progress bar
  
          this.add(new JScrollPane(this.tree), BorderLayout.CENTER);
      }
  
      private KeyAdapter getTreeKeyListener() {
          return new KeyAdapter() {
              @Override
              public void keyPressed(KeyEvent e) {
                  if (e.getKeyCode() == KeyEvent.VK_F2) {
                      DefaultMutableTreeNode treeNode = (DefaultMutableTreeNode) ManagerDatabase.this.tree.getLastSelectedPathComponent();
                      if (treeNode != null) {
                          AbstractNodeModel nodeModel = (AbstractNodeModel) treeNode.getUserObject();
                          if (nodeModel != null && nodeModel.getPanel() != null && !nodeModel.isRunning()) {
                              nodeModel.setIsEdited(true);
                          }
                      }
                  }
              }
          };
      }
  
      private MouseAdapter getTreeMouseListener() {
          return new MouseAdapter() {
              @Override
              public void mousePressed(MouseEvent event) {
                  int selRow = ManagerDatabase.this.tree.getRowForLocation(event.getX(), event.getY());
                  TreePath selPath = ManagerDatabase.this.tree.getPathForLocation(event.getX(), event.getY());
                  if (selRow != -1 && event.getClickCount() == 2) {
                      // Fix ArrayIndexOutOfBoundsException on collapsePath()
                      try {
                          if (ManagerDatabase.this.tree.isExpanded(selPath)) {
                              ManagerDatabase.this.tree.collapsePath(selPath);
                         } else {
                             ManagerDatabase.this.tree.expandPath(selPath);
                         }
                     } catch (ArrayIndexOutOfBoundsException e) {
                         LOGGER.log(LogLevelUtil.CONSOLE_JAVA, e, e);
                     }
                 }
             }
         };
     }
     
     private class TreeModelProgressListener implements TreeModelListener {
         @Override
         public void treeNodesChanged(TreeModelEvent treeModelEvent) {
             if (treeModelEvent == null) {
                 return;
             }
             ManagerDatabase.this.tree.firePropertyChange(
                 JTree.ROOT_VISIBLE_PROPERTY,
                 !ManagerDatabase.this.tree.isRootVisible(),
                 ManagerDatabase.this.tree.isRootVisible()
             );
             ManagerDatabase.this.tree.treeDidChange();
         }
         @Override
         public void treeStructureChanged(TreeModelEvent treeModelEvent) {
             // Do nothing
         }
         @Override
         public void treeNodesRemoved(TreeModelEvent treeModelEvent) {
             // Do nothing
         }
         @Override
         public void treeNodesInserted(TreeModelEvent treeModelEvent) {
             // Do nothing
         }
     }
 }