Java Utililty Methods JTable Column

List of utility methods to do JTable Column

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Description

The list of methods to do JTable Column are organized into topic(s).

Method

voidhideColumn(JTable table, int columnIndex)
hide Column 
TableColumn column = table.getColumnModel().getColumn(columnIndex);
column.setMaxWidth(0);
column.setMinWidth(0);
column.setResizable(false);
column.setPreferredWidth(0);
voidinstallDelegatingColumn(TableColumn column, String label)
install Delegating Column 
column.setMaxWidth(new JButton(label).getPreferredSize().width);
column.setCellRenderer(new TableCellRenderer() {
    @Override
    public JComponent getTableCellRendererComponent(JTable table, Object value, boolean isSelected,
            boolean hasFocus, int row, int column) {
        return (JComponent) value;
});
...
booleanisColumnDefinitionChange(TableModelEvent e)
is Column Definition Change 
return (e.getFirstRow() == TableModelEvent.HEADER_ROW);
booleanisColumnSorted(JTable table, int column)
Returns whether a table column is sorted. 
boolean isSorted = false;
final int modelColumn = table.convertColumnIndexToModel(column);
RowSorter sorter = table.getRowSorter();
if (sorter != null) {
    List<? extends SortKey> sortKeys = sorter.getSortKeys();
    for (SortKey sortKey : sortKeys) {
        if (sortKey.getColumn() == modelColumn) {
            isSorted = true;
...
booleanisNotDuplicateKeyOfTable(String text, TableModel model, int column)
is Not Duplicate Key Of Table 
int rowcount = model.getRowCount();
for (int row = 0; row < rowcount; row++) {
    if (model.getValueAt(row, column).toString().equals(text))
        return false;
return true;
voidlayoutColumns(JTable p_Table, boolean p_OnlyVisibleRows)
layout Columns 
int column = 0;
TableColumn c = null;
int firstRow = p_OnlyVisibleRows ? getFirstVisibleRow(p_Table) : 0;
int lastRow = p_OnlyVisibleRows ? getLastVisibleRow(p_Table) : (p_Table.getModel().getRowCount() - 1);
Dimension intercellSpacing = p_Table.getIntercellSpacing();
JTableHeader tableHeader = p_Table.getTableHeader();
for (java.util.Enumeration columns = tableHeader.getColumnModel().getColumns(); columns
        .hasMoreElements(); column++) {
...
TableModelloadToTableModel(String fileName, Object[] columns)
load To Table Model 
DefaultTableModel model = new DefaultTableModel();
model.setColumnIdentifiers(columns);
FileReader reader = null;
try {
    reader = new FileReader(fileName);
    BufferedReader buf = new BufferedReader(reader);
    String line;
    line = buf.readLine();
...
JPanelmakeTablePanel(int rows, int cols, int mainColumn, JComponent components[])
This method creates a JPanel which layouts given components in a table of given rows/columns. 
GridBagLayout layout = new GridBagLayout();
JPanel panel = new JPanel(layout);
GridBagConstraints constraints = new GridBagConstraints();
constraints.fill = GridBagConstraints.HORIZONTAL;
constraints.insets = new Insets(0, 0, 5, 5);
for (int row = 0; row < rows; row++)
    for (int col = 0; col < cols; col++) {
        constraints.gridx = col;
...
JTablenewTable(String name, Object[][] rowData, Object[] columnNames)
new Table 
JTable table = new JTable(rowData, columnNames);
table.setName(name);
return table;
voidpack(JTable table, boolean packColumns, boolean packRows, int padding)
pack 
final Enumeration<TableColumn> cols = table.getColumnModel().getColumns();
int[] rowHeights = new int[table.getRowCount()];
while (cols.hasMoreElements()) {
    TableColumn tc = cols.nextElement();
    final int colIndex = tc.getModelIndex(); 
    int width = 0;
    if (packColumns) {
        TableCellRenderer renderer = tc.getHeaderRenderer();
...