/**
* Copyright (C) 2009 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.webui.core;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import org.exoplatform.commons.serialization.api.annotations.Serialized;
import org.exoplatform.webui.application.WebuiApplication;
import org.exoplatform.webui.application.WebuiRequestContext;
import org.exoplatform.webui.config.annotation.ComponentConfig;
import org.exoplatform.webui.core.lifecycle.UIContainerLifecycle;
import org.exoplatform.webui.event.Event;
import org.exoplatform.webui.event.EventListener;
/** Created by The eXo Platform SAS May 7, 2006 */
@ComponentConfig(lifecycle = UIContainerLifecycle.class)
@Serialized
public class UIContainer extends UIComponent {
private List<UIComponent> children;
public boolean hasChildren() {
return children != null && children.size() > 0;
}
public void setChildren(List<UIComponent> ls) {
this.children = new CopyOnWriteArrayList<UIComponent>(ls);
}
public List<UIComponent> getChildren() {
if (children == null) {
children = new CopyOnWriteArrayList<UIComponent>();
}
return children;
}
public void addChild(UIComponent uicomponent) {
if (children == null) {
children = new CopyOnWriteArrayList<UIComponent>();
}
uicomponent.setParent(this);
children.add(uicomponent);
}
public UIComponent removeChildById(String id) {
if (children == null) {
return null;
}
for (UIComponent child : children) {
if (!id.equals(child.getId())) {
continue;
}
child.setParent(null);
children.remove(child);
return child;
}
return null;
}
public <T extends UIComponent> T removeChild(Class<T> clazz) {
if (children == null) {
return null;
}
for (UIComponent child : children) {
if (!clazz.isInstance(child)) {
continue;
}
child.setParent(null);
children.remove(child);
return clazz.cast(child);
}
return null;
}
// todo (julien) : this is not type safe
@SuppressWarnings("unchecked")
public <T extends UIComponent> T getChildById(String id) {
if (children == null) {
return null;
}
for (UIComponent child : children) {
if (id.equals(child.getId())) {
return (T) child;
}
}
return null;
}
// todo (julien) : this is not type safe
@SuppressWarnings("unchecked")
public <T extends UIComponent> T getChild(int idx) {
if (children == null) {
return null;
}
if (children.size() <= idx) {
return null;
}
return (T) children.get(idx);
}
public <T extends UIComponent> T getChild(Class<T> clazz) {
if (children == null) {
return null;
}
for (UIComponent uichild : children) {
if (clazz.isInstance(uichild)) {
return clazz.cast(uichild);
}
}
return null;
}
// todo (julien) : this is not type safe
@SuppressWarnings("unchecked")
public <T extends UIComponent> T replaceChild(String targetChildId, UIComponent newComponent) throws Exception {
if (children == null) {
throw new Exception("Cannot find the child : " + targetChildId);
}
for (int i = 0; i < this.children.size(); i++) {
UIComponent child = this.children.get(i);
if (targetChildId.equals(child.getId())) {
child.setParent(null);
newComponent.setParent(this);
children.set(i, newComponent);
return (T) child;
}
}
throw new Exception("Cannot find the child : " + targetChildId);
}
public <T extends UIComponent> T replaceChild(String targetChildId, Class<T> type, String configId, String id)
throws Exception {
WebuiRequestContext context = WebuiRequestContext.getCurrentInstance();
WebuiApplication app = (WebuiApplication) context.getApplication();
UIComponent comp = app.createUIComponent(type, configId, id, context);
comp = replaceChild(targetChildId, comp);
return type.cast(comp);
}
public <T extends UIComponent> T addChild(Class<T> type, String configId, String id) throws Exception {
WebuiRequestContext context = WebuiRequestContext.getCurrentInstance();
WebuiApplication app = (WebuiApplication) context.getApplication();
T comp = app.createUIComponent(type, configId, id, context);
addChild(comp);
return comp;
}
// todo (julien) : this is not type safe
@SuppressWarnings("unchecked")
public <T extends UIComponent> T findComponentById(String id) {
if (getId() != null) {
if (getId().equals(id)) {
return (T) this;
}
}
if (children == null) {
return null;
}
for (UIComponent uichild : children) {
UIComponent found = uichild.findComponentById(id);
if (found != null) {
return (T) found;
}
}
return null;
}
/*
* @SuppressWarnings("unchecked") public <T extends UIComponent> T findRenderComponentById(String id) { if(!isRendered())
* return null; if(getId().equals(id)) return (T)this ; if(children == null) return null ; for (UIComponent uichild :
* children) { UIComponent found = uichild.findComponentById(id) ; if(found != null) return (T)found ; } return null ; }
*/
public <T extends UIComponent> T findFirstComponentOfType(Class<T> type) {
if (type.isInstance(this)) {
return type.cast(this);
}
if (children == null) {
return null;
}
for (UIComponent uichild : children) {
T found = uichild.findFirstComponentOfType(type);
if (found != null) {
return found;
}
}
return null;
}
public <T> void findComponentOfType(List<T> list, Class<T> type) {
if (type.isInstance(this) && !list.contains(this)) {
list.add(type.cast(this));
}
if (children == null) {
return;
}
for (UIComponent uichild : children) {
uichild.findComponentOfType(list, type);
}
}
public void setRenderedChild(String id) {
List<UIComponent> list = getChildren();
for (UIComponent child : list) {
if (child.getId().equals(id)) {
child.setRendered(true);
} else {
child.setRendered(false);
}
}
}
public <T extends UIComponent> void setRenderedChild(Class<T> type) {
List<UIComponent> list = getChildren();
for (UIComponent child : list) {
if (type.isInstance(child)) {
child.setRendered(true);
} else {
child.setRendered(false);
}
}
}
public void setRenderedChildrenOfTypes(Class<?>[] types) {
List<UIComponent> list = getChildren();
for (UIComponent child : list) {
child.setRendered(false);
for (Class<?> type : types) {
if (type.isInstance(child)) {
child.setRendered(true);
break;
}
}
}
}
public void renderChild(String id) throws Exception {
renderChild(getChildById(id));
}
public <T extends UIComponent> void renderChild(Class<T> clazz) throws Exception {
renderChild(getChild(clazz));
}
public void renderUIComponent(UIComponent uicomponent) throws Exception {
uicomponent.processRender((WebuiRequestContext) WebuiRequestContext.getCurrentInstance());
}
public void renderChild(int index) throws Exception {
renderChild(getChild(index));
}
public void renderChild(UIComponent child) throws Exception {
if (child.isRendered()) {
child.processRender((WebuiRequestContext) WebuiRequestContext.getCurrentInstance());
}
}
public void renderChildren() throws Exception {
WebuiRequestContext context = WebuiRequestContext.getCurrentInstance();
renderChildren(context);
}
public void renderChildren(WebuiRequestContext context) throws Exception {
List<UIComponent> list = getChildren();
for (UIComponent child : list) {
if (child.isRendered()) {
child.processRender(context);
}
}
}
public static class SelectTabActionListener extends EventListener<UIContainer> {
public void execute(Event<UIContainer> event) throws Exception {
WebuiRequestContext context = event.getRequestContext();
UIContainer uiContainer = event.getSource();
String renderTab = context.getRequestParameter(OBJECTID);
if (renderTab == null) {
return;
}
UIComponent uiComp = uiContainer.findComponentById(renderTab);
if (uiComp != null) {
for (UIComponent child : uiContainer.getChildren()) {
child.setRendered(false);
}
uiComp.setRendered(true);
}
}
}
}