package org.opentrafficsim.editor.render;
   
   import java.awt.Component;
   
   import javax.swing.JLabel;
   import javax.swing.JTable;
   import javax.swing.UIManager;
   import javax.swing.border.Border;
   import javax.swing.border.EmptyBorder;
  import javax.swing.border.LineBorder;
  import javax.swing.table.TableCellRenderer;
  
  import org.opentrafficsim.editor.OtsEditor;
  import org.opentrafficsim.editor.XsdTreeNode;
  import org.opentrafficsim.editor.XsdTreeTableModel;
  
  import de.javagl.treetable.JTreeTable;
  
  /**
   * Renderer for columns in the tree table.
   * <p>
   * Copyright (c) 2023-2024 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
   * BSD-style license. See <a href="https://opentrafficsim.org/docs/license.html">OpenTrafficSim License</a>.
   * </p>
   * @author <a href="https://github.com/wjschakel">Wouter Schakel</a>
   */
  public class StringCellRenderer extends JLabel implements TableCellRenderer
  {
  
      /** */
      private static final long serialVersionUID = 20230218L;
  
      /** Tree table. */
      private final JTreeTable treeTable;
  
      /**
       * Constructor.
       * @param treeTable tree table.
       */
      public StringCellRenderer(final JTreeTable treeTable)
      {
          this.treeTable = treeTable;
          setOpaque(true);
      }
  
      @Override
      public Component getTableCellRendererComponent(final JTable table, final Object value, final boolean isSelected,
              final boolean hasFocus, final int row, final int column)
      {
          String val = value == null ? "" : value.toString();
          setText(val);
          setFont(table.getFont());
  
          if (isSelected)
          {
              setBackground(UIManager.getColor("Table.selectionBackground"));
          }
          else
          {
              int treeColumn = this.treeTable.convertColumnIndexToView(XsdTreeTableModel.TREE_COLUMN); // columns may be moved
              int idColumn = this.treeTable.convertColumnIndexToView(XsdTreeTableModel.ID_COLUMN);
              int valueColumn = this.treeTable.convertColumnIndexToView(XsdTreeTableModel.VALUE_COLUMN);
              XsdTreeNode node = (XsdTreeNode) this.treeTable.getValueAt(row, treeColumn);
              String message = node.isSelfValid() ? null : (column == idColumn ? node.reportInvalidId().orElse(null)
                      : (column == valueColumn ? node.reportInvalidValue().orElse(null) : null));
              if (this.treeTable.isCellEditable(row, column))
              {
                  if (message != null)
                  {
                      setToolTipText(OtsEditor.limitTooltip(message));
                      setBackground(OtsEditor.getInvalidColor());
                  }
                  else
                  {
                      setToolTipText(OtsEditor
                              .limitTooltip(!val.isEmpty() && (column == idColumn || column == valueColumn) ? val : null));
                      boolean expression = column == idColumn ? node.idIsExpression()
                              : (column == valueColumn ? node.valueIsExpression() : false);
                      if (expression)
                      {
                          setBackground(OtsEditor.getExpressionColor());
                      }
                      else
                      {
                          setBackground(UIManager.getColor("Table.background"));
                      }
                  }
              }
              else
              {
                  setToolTipText(null);
                  setBackground(UIManager.getColor("Table.background"));
              }
          }
  
          Border border;
          if (this.treeTable.isCellEditable(row, column))
          {
              border = new LineBorder(UIManager.getColor("Table.gridColor"));
         }
         else
         {
             border = new EmptyBorder(0, 0, 0, 0);
         }
         setBorder(border);
 
         return this;
     }
 
 }