/**
* 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 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;
import java.util.ArrayList;
import java.util.List;
/**
* Created by The eXo Platform SAS
* May 7, 2006
*/
@ComponentConfig(lifecycle = UIContainerLifecycle.class)
public class UIContainer extends UIComponent
{
private List<UIComponent> children;
public void visit() throws Exception
{
}
public boolean hasChildren()
{
return children != null;
}
public void setChildren(List<UIComponent> ls)
{
this.children = ls;
}
public List<UIComponent> getChildren()
{
if (children == null)
children = new ArrayList<UIComponent>(3);
return children;
}
public void addChild(UIComponent uicomponent)
{
if (children == null)
children = new ArrayList<UIComponent>(3);
uicomponent.setParent(this);
children.add(uicomponent);
}
@SuppressWarnings("unchecked")
public <T extends UIComponent> T 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 (T)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;
}
@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;
}
@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;
}
@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);
}
@SuppressWarnings("unchecked")
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 (T)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;
}
@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
{
UIComponent uiChild = getChildById(id);
if (uiChild.isRendered())
{
uiChild.processRender((WebuiRequestContext)WebuiRequestContext.getCurrentInstance());
}
}
public <T extends UIComponent> void renderChild(Class<T> clazz) throws Exception
{
UIComponent uiChild = getChild(clazz);
if (uiChild.isRendered())
{
uiChild.processRender((WebuiRequestContext)WebuiRequestContext.getCurrentInstance());
}
}
public void renderUIComponent(UIComponent uicomponent) throws Exception
{
uicomponent.processRender((WebuiRequestContext)WebuiRequestContext.getCurrentInstance());
}
public void renderChild(int index) throws Exception
{
UIComponent uiChild = getChild(index);
if (uiChild.isRendered())
{
uiChild.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);
}
}
static public 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(UIComponent.OBJECTID);
if (renderTab == null)
return;
UIComponent uiComp = uiContainer.findComponentById(renderTab);
if (uiComp != null)
{
for (UIComponent child : uiContainer.getChildren())
{
child.setRendered(false);
}
uiComp.setRendered(true);
}
}
}
}