public void removeComponent(RADVisualComponent<?> radComp, int index) {
    // first store constraints in the meta component
    LayoutConstraints<?> constr = layoutDelegate.getConstraints(index);
    if (constr != null) {
      radComp.setLayoutConstraints(layoutDelegate.getClass(), constr);
    }
    // remove the component from layout
    layoutDelegate.removeComponent(index);
    // remove the component instance from the primary container instance
    if (!layoutDelegate.removeComponentFromContainer(
        getPrimaryContainer(),
        getPrimaryContainerDelegate(),
        (Component)
            radComp
                .getBeanInstance())) { // layout delegate does not support removing individual
                                       // components,
      // so we clear the container and add the remaining components again
      layoutDelegate.clearContainer(getPrimaryContainer(), getPrimaryContainerDelegate());

      RADVisualComponent<?>[] radComps = radContainer.getSubComponents();
      if (radComps.length > 1) {
        // we rely on that radcomp was not removed from the model yet
        Component[] comps = new Component[radComps.length - 1];
        for (int i = 0; i < radComps.length; i++) {
          if (i != index) {
            Component comp = (Component) radComps[i].getBeanInstance();
            comps[i < index ? i : i - 1] = comp;
          }
        }
        layoutDelegate.addComponentsToContainer(
            getPrimaryContainer(), getPrimaryContainerDelegate(), comps, 0);
      }
    }
  }
  private LayoutConstraints<?>[] removeLayoutDelegate(boolean extractConstraints) {
    int componentCount = layoutDelegate.getComponentCount();
    LayoutConstraints<?>[] constraints = null;

    if (componentCount > 0) {
      RADVisualComponent<?>[] radComps = radContainer.getSubComponents();
      if (radComps.length
          == componentCount) { // robustness: might be called after failed layout initialization
        if (extractConstraints) {
          constraints = new LayoutConstraints<?>[componentCount];
        }

        for (int i = 0; i < componentCount; i++) {
          LayoutConstraints<?> constr = layoutDelegate.getConstraints(i);
          if (extractConstraints) {
            constraints[i] = constr;
          }
          if (constr != null) {
            radComps[i].setLayoutConstraints(layoutDelegate.getClass(), constr);
          }
        }
      }
    }
    layoutDelegate.removeAll();
    layoutDelegate.clearContainer(getPrimaryContainer(), getPrimaryContainerDelegate());
    layoutDelegate = null;
    return constraints;
  }
 public LayoutConstraints<?> getConstraints(RADVisualComponent<?> radComp) {
   if (layoutDelegate != null) {
     int index = radComp.getComponentIndex(); // radContainer.getIndexOf(radComp);
     return index >= 0 && index < layoutDelegate.getComponentCount()
         ? layoutDelegate.getConstraints(index)
         : null;
   } else {
     return null;
   }
 }
 public void removeAll() {
   // first store constraints in meta components
   RADVisualComponent<?>[] components = radContainer.getSubComponents();
   for (int i = 0; i < components.length; i++) {
     LayoutConstraints<?> constr = layoutDelegate.getConstraints(i);
     if (constr != null) {
       components[i].setLayoutConstraints(layoutDelegate.getClass(), constr);
     }
   }
   // remove components from layout
   layoutDelegate.removeAll();
   // clear the primary container instance
   layoutDelegate.clearContainer(getPrimaryContainer(), getPrimaryContainerDelegate());
 }
 // managing constraints
 public LayoutConstraints<?> getConstraints(int index) {
   return layoutDelegate.getConstraints(index);
 }