/**
* Convenient method to remove a child. If the parent is a proxy, delegates to the shared
* component.
*/
public final void removeChild(AXIComponent child) {
if (child.getComponentType() == ComponentType.REFERENCE) {
removeChild(Util.getProperty(child), child);
return;
}
// proxy child delete from UI: delete original child
if (child.getComponentType() == ComponentType.PROXY && !getModel().inSync()) {
AXIComponent oChild = child.getOriginal();
oChild.getParent().removeChild(oChild);
return;
}
removeChild(Util.getProperty(child), child);
}
/**
* Convenient method to insert a child at a specified index. If the parent is a proxy, delegates
* to the shared component.
*/
public final void addChildAtIndex(AXIComponent child, int index) {
if (getComponentType() == ComponentType.PROXY && !getModel().inSync()) {
getOriginal().addChildAtIndex(child, index);
return;
}
insertAtIndex(Util.getProperty(child), child, index);
}
/**
* Convenient method to append a child. If the parent is a proxy, delegates to the shared
* component.
*/
public final void appendChild(AXIComponent child) {
if (getComponentType() == ComponentType.PROXY && !getModel().inSync()) {
getOriginal().appendChild(child);
return;
}
appendChild(Util.getProperty(child), child);
}
/**
* Removes all children one by one. This is a special case where removal is not delegated to the
* shared parent.
*/
public void removeAllChildren() {
List<AXIComponent> removedChildren = new ArrayList<AXIComponent>();
for (AXIComponent child : getChildren()) {
removedChildren.add(child);
}
for (AXIComponent child : removedChildren) {
removeChild(Util.getProperty(child), child);
}
}
/**
* Removing a content model is special. For example, if element shipTo and billTo are of type
* USAddress, and USAddress gets deleted, then delete the proxy children of shipTo and billTo and
* finally delete USAddress.
*/
private void onContentModelDeleted(ContentModel contentModel) {
List<AXIComponent> removeList = new ArrayList<AXIComponent>();
for (AXIComponent child : getChildren()) {
if (child.getContentModel() == contentModel) {
removeList.add(child);
}
}
for (AXIComponent child : removeList) {
child.getParent().removeChild(Util.getProperty(child), child);
}
}
private void onChildAdded(PropertyChangeEvent evt) {
if (!isChildrenInitialized()) return;
AXIComponent parent = (AXIComponent) evt.getSource();
AXIComponent child = (AXIComponent) evt.getNewValue();
int index = -1;
for (int i = 0; i < parent.getChildren().size(); i++) {
if (parent.getChildren().get(i) == child) {
index = i;
break;
}
}
if (index == -1) return;
AXIComponentFactory factory = getModel().getComponentFactory();
AXIComponent proxy = factory.createProxy(child);
insertAtIndex(Util.getProperty(child), proxy, index);
}
private void onChildDeleted(PropertyChangeEvent evt) {
AXIComponent parent = (AXIComponent) evt.getSource();
AXIComponent child = (AXIComponent) evt.getOldValue();
if (child instanceof ContentModel) {
onContentModelDeleted((ContentModel) child);
return;
}
AXIComponent deletedChild = null;
for (AXIComponent c : getChildren()) {
if (c.getSharedComponent() == child) {
deletedChild = c;
break;
}
}
if (deletedChild == null) return;
removeChild(Util.getProperty(deletedChild), deletedChild);
}