// javadoc inherited.
protected void layout(Composite composite, boolean flushCache) {
Control[] children = composite.getChildren();
if (flushCache || sizes == null || sizes.length != children.length) {
initialize(children);
}
int x = marginWidth;
int y = marginHeight;
// Get the maximum width of the composite's client area (used to allow
// the control in the last column to fill the rest of the space).
final int width = getWidth(composite, SWT.DEFAULT);
for (int i = 0; i < children.length; i++) {
final Control child = children[i];
if (child.getVisible()) {
int labelVOffset = 0;
boolean span = getColumnSpan(child) > 1;
int col = getColumnIndex(child, span);
if (child instanceof Label) {
// Non-label control should be next in the sizes array.
int index = i >= sizes.length ? i : i + 1;
labelVOffset = (sizes[index].y - sizes[i].y) / 2;
}
// Determine if we need to move to the next row, handle spanning
// and fill in space for the last column.
if (col == (numberOfColumns - 1)) {
int fillWidth = width - getOtherColumnsWidth(numberOfColumns - 1);
fillWidth = fillWidth < 0 ? columnWidth[col] : fillWidth;
child.setBounds(x, y + labelVOffset, fillWidth, sizes[i].y);
// Bump up the row offset and reset the column offset.
y += getControlHeight(child, sizes[i].y);
x = marginWidth;
} else {
// If we span then this control takes up all the rest of the
// columns horizontal real estate.
int otherColumnsWidth = getOtherColumnsWidth(col - 1);
int colWidth = span ? width - otherColumnsWidth : columnWidth[col];
child.setBounds(x, y + labelVOffset, colWidth, sizes[i].y);
if (span) {
y += getControlHeight(child, sizes[i].y);
} else {
x += colWidth;
}
}
}
}
}
public static boolean isFocusable(Control control) {
if (control == null) {
return false;
}
boolean takesFocus = (control.getStyle() & SWT.NO_FOCUS) == 0;
if (!takesFocus) {
return false;
}
boolean visible = control.getVisible();
IPropertyObserver model = RwtScoutComposite.getScoutModelOnWidget(control);
if (model instanceof IFormField) {
IFormField field = ((IFormField) model);
visible &= field.isVisible() && areParentsVisible(field);
}
return visible;
}