org.icefaces.ace.component.simpleselectonemenu.SimpleSelectOneMenu Maven / Gradle / Ivy
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${icefaces.product.name} ACE Component Library
/*
* Copyright 2004-2013 ICEsoft Technologies Canada Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an "AS
* IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the License for the specific language
* governing permissions and limitations under the License.
*/
package org.icefaces.ace.component.simpleselectonemenu;
import javax.faces.model.SelectItem;
import javax.faces.component.UISelectItem;
import javax.faces.component.UISelectItems;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.event.FacesEvent;
import java.util.*;
public class SimpleSelectOneMenu extends SimpleSelectOneMenuBase {
public Iterator getItemListIterator() {
List list = getItemList();
if (list == null) {
return Collections.EMPTY_LIST.iterator();
}
return list.iterator();
}
void populateItemList() {
FacesContext facesContext = FacesContext.getCurrentInstance();
setItemList(getSelectItems(facesContext,this));
}
public static List getSelectItems(FacesContext context, UIComponent uiComponent) {
List selectItems = new ArrayList();
if (uiComponent.getChildCount() == 0) return selectItems;
Iterator children = uiComponent.getChildren().iterator();
while (children.hasNext()) {
UIComponent nextSelectItemChild = (UIComponent) children.next();
if (nextSelectItemChild instanceof UISelectItem) {
Object selectItemValue =
((UISelectItem) nextSelectItemChild).getValue();
if (selectItemValue != null &&
selectItemValue instanceof SelectItem) {
selectItems.add(selectItemValue);
} else {
selectItems.add(
new SelectItem(
((UISelectItem) nextSelectItemChild).getItemValue(),
((UISelectItem) nextSelectItemChild).getItemLabel(),
((UISelectItem) nextSelectItemChild).getItemDescription(),
((UISelectItem) nextSelectItemChild).isItemDisabled()));
}
} else if (nextSelectItemChild instanceof UISelectItems) {
Object selectItemsValue =
((UISelectItems) nextSelectItemChild).getValue();
if (selectItemsValue != null) {
if (selectItemsValue instanceof SelectItem) {
selectItems.add(selectItemsValue);
} else if (selectItemsValue instanceof Collection) {
Iterator selectItemsIterator =
((Collection) selectItemsValue).iterator();
while (selectItemsIterator.hasNext()) {
selectItems.add(selectItemsIterator.next());
}
} else if (selectItemsValue instanceof SelectItem[]) {
SelectItem selectItemArray[] =
(SelectItem[]) selectItemsValue;
for (int i = 0; i < selectItemArray.length; i++) {
selectItems.add(selectItemArray[i]);
}
} else if (selectItemsValue instanceof Map) {
Iterator selectItemIterator =
((Map) selectItemsValue).keySet().iterator();
while (selectItemIterator.hasNext()) {
Object nextKey = selectItemIterator.next();
if (nextKey != null) {
Object nextValue =
((Map) selectItemsValue).get(nextKey);
if (nextValue != null) {
selectItems.add(
new SelectItem(
nextValue.toString(),
nextKey.toString()));
}
}
}
}
}
}
}
return selectItems;
}
}