[cp-patches] Fixes for CompositeView

[Roman Kennke]

Here come some fixes for javax.swing.text.CompositeView.

2005-08-25  Roman Kennke  <address@hidden>

        * javax/swing/text/CompositeView.java
        (loadChildren): Call replace to actually change the child
        elements. This way subclasses can modify the child
        management behaviour by simply overriding replace.
        (setParent): Only call loadChildren if the parent to be set
        is actually not null.
        (replace): Check for null children. Set the parent of removed
        children to null. Set the parent of the added children to
        this.
        (modelToView): Added some sanity checks.

/Roman