public static void packColumns(Table table, boolean fit) {
table.setRedraw(false);
try {
int totalWidth = 0;
final TableColumn[] columns = table.getColumns();
for (TableColumn column : columns) {
column.pack();
totalWidth += column.getWidth();
}
final Rectangle clientArea = table.getClientArea();
if (clientArea.width > 0 && totalWidth > clientArea.width) {
for (TableColumn column : columns) {
int colWidth = column.getWidth();
if (colWidth > totalWidth / 3) {
// If some columns is too big (more than 33% of total width)
// Then shrink it to 30%
column.setWidth(totalWidth / 3);
totalWidth -= colWidth;
totalWidth += column.getWidth();
}
}
int extraSpace = totalWidth - clientArea.width;
for (TableColumn tc : columns) {
double ratio = (double) tc.getWidth() / totalWidth;
int newWidth = (int) (tc.getWidth() - extraSpace * ratio);
tc.setWidth(newWidth);
}
}
if (fit && totalWidth < clientArea.width) {
int sbWidth = 0;
if (table.getVerticalBar() != null) {
sbWidth = table.getVerticalBar().getSize().x;
}
if (columns.length > 0) {
float extraSpace = (clientArea.width - totalWidth - sbWidth) / columns.length;
for (TableColumn tc : columns) {
tc.setWidth((int) (tc.getWidth() + extraSpace));
}
}
}
} finally {
table.setRedraw(true);
}
}
private TableColumn createColumn(
final Table table, String text, int alignment, SelectionListener listener) {
final TableColumn column = new TableColumn(table, SWT.NONE);
column.setWidth(70);
column.setText(text);
column.setMoveable(true);
column.setAlignment(alignment);
column.addSelectionListener(listener);
return column;
}
public static void maxTableColumnsWidth(Table table) {
table.setRedraw(false);
try {
int columnCount = table.getColumnCount();
if (columnCount > 0) {
int totalWidth = 0;
final TableColumn[] columns = table.getColumns();
for (TableColumn tc : columns) {
tc.pack();
totalWidth += tc.getWidth();
}
final Rectangle clientArea = table.getClientArea();
if (totalWidth < clientArea.width) {
int extraSpace = clientArea.width - totalWidth;
extraSpace /= columnCount;
for (TableColumn tc : columns) {
tc.setWidth(tc.getWidth() + extraSpace);
}
}
}
} finally {
table.setRedraw(true);
}
}