/*******************************************************************************
    * 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.I18nUtil;
  import com.jsql.view.swing.tree.model.AbstractNodeModel;
  import com.jsql.view.swing.util.UiStringUtil;
  import com.jsql.view.swing.util.UiUtil;
  
  import javax.swing.*;
  import javax.swing.tree.DefaultMutableTreeNode;
  import java.awt.*;
  import java.awt.event.FocusAdapter;
  import java.awt.event.FocusEvent;
  import java.awt.event.KeyAdapter;
  import java.awt.event.KeyEvent;
  import java.nio.charset.StandardCharsets;
  import java.util.stream.Stream;
  
  /**
   * A tree Node composed of an icon, a GIF loader, a progress bar, a label.
   */
  public class PanelNode extends JPanel {
      
      /**
       * Default icon of the node (database or table).
       */
      private final JLabel iconNode = new JLabel();
  
      /**
       * A GIF loader, displayed if progress track is unknown (like columns).
       */
      private final JLabel loaderWait = new JLabel();
  
      /**
       * Progress bar displayed during injection, with pause icon displayed if user paused the process.
       */
      private final ProgressBarPausable progressBar = new ProgressBarPausable();
  
      /**
       * Text of the node.
       */
      private final JLabel nodeLabel = new JLabel();
      private final JTextField textFieldEditable = new JTextField(15);
      
      /**
       * Create Panel for tree nodes.
       * @param tree JTree to populate
       * @param currentNode Node to draw in the tree
       */
      public PanelNode(final JTree tree, final DefaultMutableTreeNode currentNode) {
          this.loaderWait.setIcon(UiUtil.HOURGLASS.getIcon());
          this.loaderWait.setBorder(BorderFactory.createEmptyBorder(2, 2, 2, 2));
  
          this.progressBar.setPreferredSize(new Dimension(20, 20));
          this.progressBar.setBorder(BorderFactory.createEmptyBorder(4, 3, 4, 3));
  
          this.nodeLabel.setOpaque(true);
  
          this.iconNode.setBorder(BorderFactory.createEmptyBorder(2, 2, 2, 2));
          
          this.setLayout(new BoxLayout(this, BoxLayout.LINE_AXIS));
          
          Stream.of(
              this.iconNode,
              this.loaderWait,
              this.progressBar,
              this.nodeLabel,
              this.textFieldEditable
          )
          .forEach(component -> {
              this.add(component);
              component.setVisible(false);
          });
          
          this.setComponentOrientation(ComponentOrientation.getOrientation(I18nUtil.getCurrentLocale()));
          
          this.initTextFieldEditable(tree, currentNode);
      }
  
      private void initTextFieldEditable(final JTree tree, final DefaultMutableTreeNode currentNode) {
          this.textFieldEditable.addActionListener(e -> {
              AbstractNodeModel nodeModel = (AbstractNodeModel) currentNode.getUserObject();
              nodeModel.setIsEdited(false);
              
              this.nodeLabel.setVisible(true);
              this.textFieldEditable.setVisible(false);
              tree.requestFocusInWindow();
  
              nodeModel.getElementDatabase().setElementValue(new String(
                  this.textFieldEditable.getText().getBytes(StandardCharsets.UTF_8),
                 StandardCharsets.UTF_8
             ));
             this.nodeLabel.setText(UiStringUtil.detectUtf8Html(nodeModel.getElementDatabase().getLabelWithCount()));
             
             tree.revalidate();
             tree.repaint();
         });
         
         this.textFieldEditable.addFocusListener(new FocusAdapter() {
             @Override
             public void focusLost(FocusEvent e) {
                 AbstractNodeModel nodeModel = (AbstractNodeModel) currentNode.getUserObject();
                 nodeModel.setIsEdited(false);
                 tree.revalidate();
                 tree.repaint();
             }
         });
         
         KeyAdapter keyAdapterF2 = new KeyAdapter() {
             @Override
             public void keyPressed(KeyEvent e) {
                 AbstractNodeModel nodeModel = (AbstractNodeModel) currentNode.getUserObject();
                 if (e.getKeyCode() == KeyEvent.VK_F2 && !nodeModel.isRunning()) {
                     nodeModel.setIsEdited(true);
                     
                     PanelNode.this.nodeLabel.setVisible(false);
                     PanelNode.this.textFieldEditable.setVisible(true);
                     PanelNode.this.textFieldEditable.requestFocusInWindow();
                     
                     tree.revalidate();
                     tree.repaint();
                 }
             }
         };
         
         this.addKeyListener(keyAdapterF2);
         this.textFieldEditable.addKeyListener(keyAdapterF2);
     }
 
     /**
      * Change the text icon.
      * @param newIcon An icon to display next to the text.
      */
     public void setIconNode(Icon newIcon) {
         this.iconNode.setIcon(newIcon);
     }
     
     /**
      * Display text icon to the left.
      */
     public void showIcon() {
         this.iconNode.setVisible(true);
     }
     
     /**
      * Mask the node icon for example when the loader component is displayed.
      */
     public void hideIcon() {
         this.iconNode.setVisible(false);
     }
     
     /**
      * Change the loader icon.
      * @param newIcon An icon to display for the loader.
      */
     public void setLoaderIcon(Icon newIcon) {
         this.loaderWait.setIcon(newIcon);
     }
 
     /**
      * Display the animated gif loader.
      */
     public void showLoader() {
         this.loaderWait.setVisible(true);
     }
     
     
     // Getter and setter
 
     public ProgressBarPausable getProgressBar() {
         return this.progressBar;
     }
 
     public JLabel getNodeLabel() {
         return this.nodeLabel;
     }
 
     public JTextField getTextFieldEditable() {
         return this.textFieldEditable;
     }
 }