Creating a Custom Table Cell Editor in a JTable Component

 

import java.awt.Component;

import javax.swing.AbstractCellEditor;
import javax.swing.JComponent;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.table.TableCellEditor;
import javax.swing.table.TableColumn;

public class Main {
  public static void main(String[] argv) throws Exception {
    JTable table = new JTable();
    TableColumn col = table.getColumnModel().getColumn(0);
    col.setCellEditor(new MyTableCellEditor());
  }
}

class MyTableCellEditor extends AbstractCellEditor implements TableCellEditor {

  JComponent component = new JTextField();

  public Component getTableCellEditorComponent(JTable table, Object value, boolean isSelected,
      int rowIndex, int vColIndex) {

    ((JTextField) component).setText((String) value);

    return component;
  }

  public Object getCellEditorValue() {
    return ((JTextField) component).getText();
  }
}

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Creating a Custom Table Cell Editor in a JTable Component : Table Renderer Editor « Swing JFC « Java

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