// This method from http://www.exampledepot.com/egs/javax.swing.table/PackCol.html
public int packColumn(JTable table, int vColIndex, int margin) {
DefaultTableColumnModel colModel = (DefaultTableColumnModel) table.getColumnModel();
TableColumn col = colModel.getColumn(vColIndex);
int width = 0;
// Get width of column header
TableCellRenderer renderer = col.getHeaderRenderer();
if (renderer == null) {
renderer = table.getTableHeader().getDefaultRenderer();
}
Component comp =
renderer.getTableCellRendererComponent(table, col.getHeaderValue(), false, false, 0, 0);
width = comp.getPreferredSize().width;
// Get maximum width of column data
for (int r = 0; r < table.getRowCount(); r++) {
renderer = table.getCellRenderer(r, vColIndex);
comp =
renderer.getTableCellRendererComponent(
table, table.getValueAt(r, vColIndex), false, false, r, vColIndex);
width = Math.max(width, comp.getPreferredSize().width);
}
// Add margin
width += 2 * margin;
// Set the width
col.setPreferredWidth(width);
return width;
}
/** @inheritDoc */
public Component getTableCellRendererComponent(
JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
Component c =
candidate.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
if (c instanceof JLabel && table != null) {
ViperTableModel m = getCurrentModel();
int modelIndex = table.convertColumnIndexToModel(column);
AttrConfig ac = m.getAttributeForColumn(modelIndex);
JLabel l = (JLabel) c;
if (ac != null) {
int visibility = mediator.getHiders().getAttrConfigVisibility(ac);
l.setIcon(outerTablePanel.visibilityIcons[visibility]);
} else if (m.getInternalColumn(modelIndex) == ViperTableModel.BY_VALID) {
Config config = m.getConfig();
int visibility = mediator.getHiders().getConfigVisibility(m.getConfig());
if (visibility == NodeVisibilityManager.RANGE_LOCKED) {
visibility = NodeVisibilityManager.LOCKED;
}
l.setIcon(outerTablePanel.visibilityIcons[visibility]);
} else {
l.setIcon(null);
}
}
return c;
}
protected Component getHeaderRenderer(int col) {
if ((header == null) || (header.getTable() == null)) {
return null;
}
TableColumn tabCol = header.getColumnModel().getColumn(col);
TableCellRenderer renderer = tabCol.getHeaderRenderer();
if (renderer == null) {
renderer = header.getDefaultRenderer();
}
return renderer.getTableCellRendererComponent(
header.getTable(), tabCol.getHeaderValue(), false, false, -1, col);
}
public Component getTableCellRendererComponent(
JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
Component c =
tableCellRenderer.getTableCellRendererComponent(
table, value, isSelected, hasFocus, row, column);
if (c instanceof JLabel) {
JLabel l = (JLabel) c;
l.setHorizontalTextPosition(JLabel.LEFT);
int modelColumn = table.convertColumnIndexToModel(column);
l.setIcon(getHeaderRendererIcon(modelColumn, l.getFont().getSize()));
}
return c;
}
/*
* Calculated the width based on the column name
*/
private int getColumnHeaderWidth(int column) {
if (!isColumnHeaderIncluded) return 0;
TableColumn tableColumn = table.getColumnModel().getColumn(column);
Object value = tableColumn.getHeaderValue();
TableCellRenderer renderer = tableColumn.getHeaderRenderer();
if (renderer == null) {
renderer = table.getTableHeader().getDefaultRenderer();
}
Component c = renderer.getTableCellRendererComponent(table, value, false, false, -1, column);
return c.getPreferredSize().width;
}