/** Move items from components to others. */
public static void moveAllItems(
UISelectItems sourceItems,
UISelectItems targetItems,
UIEditableList hiddenTargetList,
boolean setTargetIds) {
SelectItem[] all = (SelectItem[]) sourceItems.getValue();
List<SelectItem> toMove = new ArrayList<SelectItem>();
List<SelectItem> toKeep = new ArrayList<SelectItem>();
List<String> hiddenIds = new ArrayList<String>();
if (all != null) {
for (SelectItem item : all) {
if (!item.isDisabled()) {
toMove.add(item);
} else {
toKeep.add(item);
}
}
}
// reset left values
sourceItems.setValue(toKeep.toArray(new SelectItem[] {}));
// change right values
List<SelectItem> newSelectItems = new ArrayList<SelectItem>();
SelectItem[] oldSelectItems = (SelectItem[]) targetItems.getValue();
if (oldSelectItems == null) {
newSelectItems.addAll(toMove);
} else {
newSelectItems.addAll(Arrays.asList(oldSelectItems));
List<String> oldIds = new ArrayList<String>();
for (SelectItem oldItem : oldSelectItems) {
String id = oldItem.getValue().toString();
oldIds.add(id);
}
if (setTargetIds) {
hiddenIds.addAll(0, oldIds);
}
for (SelectItem toMoveItem : toMove) {
String id = toMoveItem.getValue().toString();
if (!oldIds.contains(id)) {
newSelectItems.add(toMoveItem);
if (setTargetIds) {
hiddenIds.add(id);
}
}
}
}
targetItems.setValue(newSelectItems.toArray(new SelectItem[] {}));
// update hidden values
int numValues = hiddenTargetList.getRowCount();
if (numValues > 0) {
for (int i = numValues - 1; i > -1; i--) {
hiddenTargetList.removeValue(i);
}
}
for (String newHiddenValue : hiddenIds) {
hiddenTargetList.addValue(newHiddenValue);
}
}
/**
* Initializes the <code>items</code> instance variable with an <code>Iterator</code> appropriate
* to the UISelectItem(s) value.
*/
private void initializeItems() {
UIComponent kid = (UIComponent) findNextValidChild();
if (kid instanceof UISelectItem) {
UISelectItem ui = (UISelectItem) kid;
SelectItem item = (SelectItem) ui.getValue();
if (item == null) {
item =
new SelectItem(
ui.getItemValue(),
ui.getItemLabel(),
ui.getItemDescription(),
ui.isItemDisabled(),
ui.isItemEscaped(),
ui.isNoSelectionOption());
}
updateSingeItemIterator(item);
items = singleItemIterator;
} else if (kid instanceof UISelectItems) {
UISelectItems ui = (UISelectItems) kid;
Object value = ui.getValue();
if (value instanceof SelectItem) {
updateSingeItemIterator((SelectItem) value);
items = singleItemIterator;
} else if (value.getClass().isArray()) {
items = new ArrayIterator(ctx, (UISelectItems) kid, value);
} else if (value instanceof Iterable) {
items = new IterableItemIterator(ctx, (UISelectItems) kid, (Iterable<?>) value);
} else if (value instanceof Map) {
items = new MapIterator((Map) value);
} else {
throw new IllegalArgumentException();
}
}
}
protected List<SelectItem> getSelectItems(FacesContext context, UIInput component) {
List<SelectItem> selectItems = new ArrayList<SelectItem>();
for (UIComponent child : component.getChildren()) {
if (child instanceof UISelectItem) {
UISelectItem uiSelectItem = (UISelectItem) child;
Object selectItemValue = uiSelectItem.getValue();
if (selectItemValue == null) {
selectItems.add(
new SelectItem(
uiSelectItem.getItemValue(),
uiSelectItem.getItemLabel(),
uiSelectItem.getItemDescription(),
uiSelectItem.isItemDisabled(),
uiSelectItem.isItemEscaped(),
uiSelectItem.isNoSelectionOption()));
} else {
selectItems.add((SelectItem) selectItemValue);
}
} else if (child instanceof UISelectItems) {
UISelectItems uiSelectItems = ((UISelectItems) child);
Object value = uiSelectItems.getValue();
if (value != null) {
if (value instanceof SelectItem) {
selectItems.add((SelectItem) value);
} else if (value.getClass().isArray()) {
for (int i = 0; i < Array.getLength(value); i++) {
Object item = Array.get(value, i);
if (item instanceof SelectItem) selectItems.add((SelectItem) item);
else selectItems.add(createSelectItem(context, uiSelectItems, item));
}
} else if (value instanceof Map) {
Map map = (Map) value;
for (Iterator it = map.keySet().iterator(); it.hasNext(); ) {
Object key = it.next();
selectItems.add(
createSelectItem(context, uiSelectItems, String.valueOf(key), map.get(key)));
}
} else if (value instanceof Collection) {
Collection collection = (Collection) value;
for (Iterator it = collection.iterator(); it.hasNext(); ) {
Object item = it.next();
if (item instanceof SelectItem) selectItems.add((SelectItem) item);
else selectItems.add(createSelectItem(context, uiSelectItems, item));
}
}
}
}
}
return selectItems;
}
public static void shiftItemsLast(
UISelectMany targetSelect, UISelectItems targetItems, UIEditableList hiddenTargetList) {
String[] selected = (String[]) targetSelect.getSelectedValues();
SelectItem[] all = (SelectItem[]) targetItems.getValue();
if (selected == null) {
// nothing to do
return;
}
all = shiftLast(selected, all);
targetItems.setValue(all);
clearTargetList(hiddenTargetList);
addToTargetList(hiddenTargetList, all);
}
// @SuppressWarnings("unchecked")
protected void addSelectItems(UISelectItems uiItems, List<SelectItem> items) {
boolean isRendered = uiItems.isRendered();
if (!isRendered) {
items.add(null);
return;
}
Object value = uiItems.getValue();
if (value instanceof SelectItem) {
items.add((SelectItem) value);
} else if (value instanceof Object[]) {
Object[] array = (Object[]) value;
for (Object array1 : array) {
// TODO test - this section is untested
if (array1 instanceof SelectItemGroup) {
resolveAndAddItems((SelectItemGroup) array1, items);
} else {
items.add((SelectItem) array1);
}
}
} else if (value instanceof Collection) {
Iterator<Object> iter = ((Collection<Object>) value).iterator();
Object item;
while (iter.hasNext()) {
item = iter.next();
if (item instanceof SelectItemGroup) {
resolveAndAddItems((SelectItemGroup) item, items);
} else {
items.add(new SelectItem(item));
}
}
} else if (value instanceof Map) {
for (Map.Entry<Object, Object> entry : ((Map<Object, Object>) value).entrySet()) {
Object label = entry.getKey();
SelectItem item =
new SelectItem(entry.getValue(), label == null ? (String) null : label.toString());
// TODO test - this section is untested
if (item instanceof SelectItemGroup) {
resolveAndAddItems((SelectItemGroup) item, items);
} else {
items.add(item);
}
}
}
}