Class DefaultTableModel

java.lang.Object
com.codename1.ui.table.AbstractTableModel
com.codename1.ui.table.DefaultTableModel
All Implemented Interfaces:
TableModel
public class DefaultTableModel extends AbstractTableModel

A default implementation of the table model based on a two dimensional array.

Form hi = new Form("Table", new BorderLayout());
TableModel model = new DefaultTableModel(new String[] {"Col 1", "Col 2", "Col 3"}, new Object[][] {
    {"Row 1", "Row A", "Row X"},
    {"Row 2", "Row B can now stretch", null},
    {"Row 3", "Row C", "Row Z"},
    {"Row 4", "Row D", "Row K"},
    }) {
        public boolean isCellEditable(int row, int col) {
            return col != 0;
        }
    };
Table table = new Table(model) {
@Override
    protected Component createCell(Object value, int row, int column, boolean editable) { // (1)
        Component cell;
        if(row == 1 && column == 1) { // (2)
            Picker p = new Picker();
            p.setType(Display.PICKER_TYPE_STRINGS);
            p.setStrings("Row B can now stretch", "This is a good value", "So Is This", "Better than text field");
            p.setSelectedString((String)value); // (3)
            p.setUIID("TableCell");
            p.addActionListener((e) -> getModel().setValueAt(row, column, p.getSelectedString())); // (4)
            cell = p;
        } else {
            cell = super.createCell(value, row, column, editable);
        }
        if(row > -1 && row % 2 == 0) { // (5)
            // pinstripe effect
            cell.getAllStyles().setBgColor(0xeeeeee);
            cell.getAllStyles().setBgTransparency(255);
        }
        return cell;
    }
@Override
    protected TableLayout.Constraint createCellConstraint(Object value, int row, int column) {
        TableLayout.Constraint con =  super.createCellConstraint(value, row, column);
        if(row == 1 && column == 1) {
            con.setHorizontalSpan(2);
        }
        con.setWidthPercentage(33);
        return con;
    }
};
hi.add(BorderLayout.CENTER, table);
hi.show();

  • Constructor Details

    • DefaultTableModel

      public DefaultTableModel(String[] columnNames, Object[][] data)

      Constructs a new table with a 2 dimensional array for row/column data

      Parameters

      • columnNames: the names of the columns

      • data: the data within the table

    • DefaultTableModel

      public DefaultTableModel(String[] columnNames, Object[][] data, boolean editable)

      Constructs a new table with a 2 dimensional array for row/column data

      Parameters

      • columnNames: the names of the columns

      • data: the data within the table

      • editable: indicates whether table cells are editable or not by default

      See also
      • #isCellEditable(int, int)

  • Method Details

    • getRowCount

      public int getRowCount()

      Returns the number of rows in the table

      Returns

      the number of rows in the table

    • getColumnCount

      public int getColumnCount()

      Returns the number of columns in the table

      Returns

      the number of columns in the table

    • getColumnName

      public String getColumnName(int i)

      Returns the name of the column at the given offset

      Parameters
      • i: the offset for the column name
      Returns

      name to display at the top of the table

    • isCellEditable

      public boolean isCellEditable(int row, int column)

      Returns true if the cell at the given location is an editable cell

      Parameters

      • row: the cell row

      • column: the cell column

      Returns

      true if the cell at the given location is an editable cell

    • getValueAt

      public Object getValueAt(int row, int column)

      Returns the value of the cell at the given location

      Parameters

      • row: the cell row

      • column: the cell column

      Returns

      the value of the cell at the given location

    • setValueAt

      public void setValueAt(int row, int column, Object o)

      Sets the value of the cell at the given location

      Parameters

      • row: the cell row

      • column: the cell column

      • o: the value of the cell at the given location

    • addDataChangeListener

      public void addDataChangeListener(DataChangedListener d)

      Adds a listener to the data changed event

      Parameters
      • d: the new listener

    • removeDataChangeListener

      public void removeDataChangeListener(DataChangedListener d)

      Removes a listener to the data changed event

      Parameters
      • d: the listener to remove

    • addRow

      public void addRow(Object... row)

      Adds the given row to the table data

      Parameters
      • row: array or row items, notice that row.length should match the column count exactly!

    • insertRow

      public void insertRow(int offset, Object... row)

      Inserts the given row to the table data at the given offset

      Parameters

      • offset: position within the table that is 0 or larger yet smaller than the row count

      • row: array or row items, notice that row.length should match the column count exactly!

    • removeRow

      public void removeRow(int offset)

      Removes the given row offset from the table

      Parameters
      • offset: position within the table that is 0 or larger yet smaller than the row count