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

voidaceptarTeclaPresionada(KeyEvent e, JTable pTabla, JTextField pTextoDeBusqueda, int pColumna)
aceptar Tecla Presionada 
if (pTabla.getRowCount() <= 0)
    return;
if (e.getKeyCode() == KeyEvent.VK_DOWN) {
    if (pTabla.getRowCount() - 1 > pTabla.getSelectedRow()) {
        showCell(pTabla, pTabla.getSelectedRow() + 1, 0);
        if (pTextoDeBusqueda != null)
            setearTextoDeBusqueda(pTabla, pTextoDeBusqueda, pColumna);
} else if (e.getKeyCode() == KeyEvent.VK_UP) {
    if (pTabla.getSelectedRow() > 0) {
        showCell(pTabla, pTabla.getSelectedRow() - 1, 0);
        if (pTextoDeBusqueda != null)
            setearTextoDeBusqueda(pTabla, pTextoDeBusqueda, pColumna);
} else if (e.getKeyCode() == KeyEvent.VK_PAGE_DOWN) {
    int vNum = (int) java.lang.Math
            .round(pTabla.getVisibleRect().getHeight() / (pTabla.getRowHeight() + pTabla.getRowMargin()));
    if ((pTabla.getRowCount() > pTabla.getSelectedRow())
            && ((pTabla.getSelectedRow() + vNum) <= pTabla.getRowCount()))
        showCell(pTabla, pTabla.getSelectedRow() + vNum, 0);
    else
        showCell(pTabla, pTabla.getRowCount() - 1, 0);
    if (pTextoDeBusqueda != null)
        setearTextoDeBusqueda(pTabla, pTextoDeBusqueda, pColumna);
} else if (e.getKeyCode() == KeyEvent.VK_PAGE_UP) {
    int vNum = (int) java.lang.Math
            .round(pTabla.getVisibleRect().getHeight() / (pTabla.getRowHeight() + pTabla.getRowMargin()));
    if ((pTabla.getSelectedRow() > 0) && ((pTabla.getSelectedRow() - vNum) >= 0))
        showCell(pTabla, pTabla.getSelectedRow() - vNum, 0);
    else
        showCell(pTabla, 0, 0);
    if (pTextoDeBusqueda != null)
        setearTextoDeBusqueda(pTabla, pTextoDeBusqueda, pColumna);
voidaddSpaceSelection(final JTable table, final int column)
If this table has a editable boolean column, the user can press space to toggle the selection of the selected rows for the column. 
table.putClientProperty("JTable.autoStartsEdit", Boolean.FALSE);
table.addKeyListener(new KeyAdapter() {
    @Override
    public void keyReleased(KeyEvent e) {
        if (e.getKeyCode() == KeyEvent.VK_SPACE) {
            TableModel model = table.getModel();
            for (int row : table.getSelectedRows()) {
                int rowModel = table.convertRowIndexToModel(row);
...
voidajustarAnchoColumnas(JTable table)
ajustar Ancho Columnas 
TableColumnModel columnModel = table.getColumnModel();
for (int col = 0; col < table.getColumnCount(); col++) {
    int maxwidth = 0;
    for (int row = 0; row < table.getRowCount(); row++) {
        TableCellRenderer rend = table.getCellRenderer(row, col);
        Object value = table.getValueAt(row, col);
        Component comp = rend.getTableCellRendererComponent(table, value, false, false, row, col);
        maxwidth = Math.max(comp.getPreferredSize().width, maxwidth);
...
booleanbuscarDescripcion(KeyEvent e, JTable pTabla, JTextField pTextoDeBusqueda, int pColumna)
buscar Descripcion 
boolean findRecord = false;
if ((e.getKeyChar() != KeyEvent.CHAR_UNDEFINED) && (e.getKeyCode() != KeyEvent.VK_ENTER)) {
    String vFindText = pTextoDeBusqueda.getText().toUpperCase();
    String vDescrip = "";
    for (int k = 0; k < pTabla.getRowCount(); k++) {
        vDescrip = ((String) pTabla.getValueAt(k, pColumna)).toUpperCase().trim();
        if (vDescrip.length() >= vFindText.length()) {
            vDescrip = vDescrip.substring(0, vFindText.length());
...
TableColumncloneTableColumn(TableColumn c)
clone Table Column 
TableColumn result = new TableColumn(c.getModelIndex(), c.getPreferredWidth(), c.getCellRenderer(),
        c.getCellEditor());
result.setMaxWidth(c.getMaxWidth());
result.setMinWidth(c.getMinWidth());
result.setResizable(c.getResizable());
result.setHeaderValue(c.getHeaderValue());
result.setHeaderRenderer(c.getHeaderRenderer());
result.setIdentifier(c.getIdentifier());
...
TableColumnModelcloneTableColumnModel(TableColumnModel m)
clone Table Column Model 
DefaultTableColumnModel result = new DefaultTableColumnModel();
for (int i = 0; i < m.getColumnCount(); i++)
    result.addColumn(cloneTableColumn(m.getColumn(i)));
return result;
CcolumnAt(final JTable table, final Point p, final Class columnClazz)
column At 
return columnClazz.getEnumConstants()[table.columnAtPoint(p)];
intconvertColumnIndexToModel(TableColumnModel cm, int viewColumnIndex)
Maps the index of the column in the view at viewColumnIndex to the index of the column in the table model. 
if (viewColumnIndex < 0) {
    return viewColumnIndex;
return cm.getColumn(viewColumnIndex).getModelIndex();
intconvertColumnIndexToView(TableColumnModel model, int modelCol)
convert Column Index To View 
if (modelCol < 0)
    return modelCol;
for (int viewCol = 0; viewCol < model.getColumnCount(); viewCol++) {
    if (model.getColumn(viewCol).getModelIndex() == modelCol) {
        return viewCol;
return -1;
...
int[]convertSelectedColumnsToModelIndices(JTable table, int[] columns)
convert Selected Columns To Model Indices 
int[] convertedCols = new int[columns.length];
for (int i = 0; i < columns.length; i++) {
    convertedCols[i] = table.convertColumnIndexToModel(columns[i]);
return convertedCols;