Java Utililty Methods JTable Cell

List of utility methods to do JTable Cell

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Description

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

Method

intgetWidestCellInColumn(JTable table, TableColumn col)
get Widest Cell In Column 
int column = col.getModelIndex();
int max = 0;
for (int row = 0; row < table.getRowCount(); ++row) {
    TableCellRenderer renderer = table.getCellRenderer(row, column);
    Component comp = renderer.getTableCellRendererComponent(table, table.getValueAt(row, column), false,
            false, row, column);
    max = Math.max(comp.getPreferredSize().width, max);
return max;
intgetWidestCellInColumn(TableColumn col, JTable table)
Figures out the width of the widest cell in a TableColumn Lifted from Graphic Java's chapter on Tables. 
String methodName = MODULE_NAME + "getWidestCellInColumn(TableColumn, JTable)";
int retval = -1;
int modelIndex = col.getModelIndex();
int width = 0;
int maxWidth = 0;
for (int i = 0; i < table.getRowCount(); i++) {
    TableCellRenderer renderer = table.getCellRenderer(i, modelIndex);
    Component comp = renderer.getTableCellRendererComponent(table, table.getValueAt(i, modelIndex), false,
...
booleanisCellVisible(JTable table, int rowIndex, int vColIndex)
is Cell Visible 
if (!(table.getParent() instanceof JViewport)) {
    return false;
JViewport viewport = (JViewport) table.getParent();
Rectangle rect = table.getCellRect(rowIndex, vColIndex, true);
Point pt = viewport.getViewPosition();
rect.setLocation(rect.x - pt.x, rect.y - pt.y);
return new Rectangle(viewport.getExtentSize()).contains(rect);
...
voidrenderHTMLCell(final StringBuffer buffer, final String contents, final String css, final int align)
Render a single table cell in HTML with an optional style. 
String strAlign;
strAlign = ALIGN_LEFT;
if (align == SwingConstants.LEFT) {
    strAlign = ALIGN_LEFT;
} else if (align == SwingConstants.RIGHT) {
    strAlign = ALIGN_RIGHT;
} else if (align == SwingConstants.CENTER) {
    strAlign = ALIGN_CENTER;
...
voidsetCellTextAllignment(JTable table, int alignment)
set Cell Text Allignment 
DefaultTableCellRenderer rightRenderer = new DefaultTableCellRenderer();
rightRenderer.setHorizontalAlignment(alignment);
TableModel tableModel = table.getModel();
for (int columnIndex = 0; columnIndex < tableModel.getColumnCount(); columnIndex++) {
    table.getColumnModel().getColumn(columnIndex).setCellRenderer(rightRenderer);
voidshowCell(JTable table, int row, int column)
Show cell. 
Rectangle rect = table.getCellRect(row, column, true);
table.scrollRectToVisible(rect);
table.clearSelection();
table.setRowSelectionInterval(row, row);
voidshowCell(JTable table, int row, int column)
show Cell 
if (row >= table.getRowCount())
    row = table.getRowCount() - 1;
Rectangle rect = table.getCellRect(row, column, true);
table.scrollRectToVisible(rect);
table.clearSelection();
table.setRowSelectionInterval(row, row);
voidstartEditingAtCell(JTable table, int row, int column)
start Editing At Cell 
table.editCellAt(row, column);
table.getEditorComponent().requestFocusInWindow();