/**
* 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.lifecycle;
import java.util.ArrayList;
import java.util.List;
import org.exoplatform.web.application.ApplicationMessage;
import org.exoplatform.webui.application.WebuiRequestContext;
import org.exoplatform.webui.core.UIApplication;
import org.exoplatform.webui.core.UIComponent;
import org.exoplatform.webui.event.Event;
import org.exoplatform.webui.exception.MessageException;
import org.exoplatform.webui.form.UIForm;
import org.exoplatform.webui.form.UIFormInput;
import org.exoplatform.webui.form.UIFormInputBase;
import org.exoplatform.webui.form.UIFormInputContainer;
import org.exoplatform.webui.form.UIFormInputSet;
import org.exoplatform.webui.form.UIFormMultiValueInputSet;
import org.exoplatform.webui.form.validator.Validator;
/** Author : Nhu Dinh Thuan nhudinhthuan@yahoo.com Jun 1, 2006 */
public class UIFormLifecycle extends Lifecycle<UIForm> {
public void processDecode(UIForm uicomponent, WebuiRequestContext context) throws Exception {
uicomponent.setSubmitAction(null);
processNormalRequest(uicomponent, context);
List<UIComponent> children = uicomponent.getChildren();
for (UIComponent uiChild : children) {
uiChild.processDecode(context);
}
String action = uicomponent.getSubmitAction();
String subComponentId = context.getRequestParameter(UIForm.SUBCOMPONENT_ID);
if (subComponentId == null || subComponentId.trim().length() < 1) {
Event<UIComponent> event = uicomponent.createEvent(action, Event.Phase.DECODE, context);
if (event != null) {
event.broadcast();
}
return;
}
UIComponent uiSubComponent = uicomponent.findComponentById(subComponentId);
Event<UIComponent> event = uiSubComponent.createEvent(action, Event.Phase.DECODE, context);
if (event == null) {
event = uicomponent.createEvent(action, Event.Phase.DECODE, context);
}
if (event != null) {
event.broadcast();
}
}
public void processAction(UIForm uicomponent, WebuiRequestContext context) throws Exception {
String action = context.getRequestParameter(UIForm.ACTION);
if (action == null) {
action = uicomponent.getSubmitAction();
}
if (action == null) {
return;
}
Event<UIComponent> event = uicomponent.createEvent(action, Event.Phase.PROCESS, context);
if (event == null) {
event = uicomponent.<UIComponent> getParent().createEvent(action, Event.Phase.PROCESS, context);
}
if (event == null) {
return;
}
UIApplication uiApp = uicomponent.getAncestorOfType(UIApplication.class);
List<UIComponent> children = uicomponent.getChildren();
validateChildren(children, uiApp, context);
if (context.getProcessRender()) {
return;
}
event.broadcast();
}
private void processNormalRequest(UIForm uiForm, WebuiRequestContext context) throws Exception {
List<UIFormInputBase> inputs = new ArrayList<UIFormInputBase>();
uiForm.findComponentOfType(inputs, UIFormInputBase.class);
uiForm.setSubmitAction(context.getRequestParameter(UIForm.ACTION));
for (UIFormInputBase input : inputs) {
if (!input.isValid()) {
continue;
}
String inputValue = context.getRequestParameter(input.getId());
if (inputValue == null || inputValue.trim().length() == 0) {
inputValue = context.getRequestParameter(input.getName());
}
input.decode(inputValue, context);
}
}
@SuppressWarnings("unchecked")
private void validateChildren(List<UIComponent> children, UIApplication uiApp, WebuiRequestContext context) {
for (UIComponent uiChild : children) {
if (uiChild instanceof UIFormInputBase) {
UIFormInputBase uiInput = (UIFormInputBase) uiChild;
if (!uiInput.isValid()) {
continue;
}
List<Validator> validators = uiInput.getValidators();
if (validators == null) {
continue;
}
try {
for (Validator validator : validators) {
validator.validate(uiInput);
}
} catch (MessageException ex) {
uiApp.addMessage(ex.getDetailMessage());
context.setProcessRender(true);
} catch (Exception ex) {
// TODO: This is a critical exception and should be handle in the UIApplication
uiApp.addMessage(new ApplicationMessage(ex.getMessage(), null));
context.setProcessRender(true);
}
} else if (uiChild instanceof UIFormInputSet) {
UIFormInputSet uiInputSet = (UIFormInputSet) uiChild;
validateChildren(uiInputSet.getChildren(), uiApp, context);
} else if (uiChild instanceof UIFormMultiValueInputSet) {
UIFormMultiValueInputSet uiInput = (UIFormMultiValueInputSet) uiChild;
List<Validator> validators = uiInput.getValidators();
if (validators == null) {
continue;
}
try {
for (Validator validator : validators) {
List<UIComponent> uiInputChild = uiInput.getChildren();
for (int i = 0; i < uiInputChild.size(); i++) {
try {
validator.validate((UIFormInput) uiInputChild.get(i));
} catch (MessageException ex) {
uiApp.addMessage(ex.getDetailMessage());
context.setProcessRender(true);
}
}
}
} catch (Exception ex) {
// TODO: This is a critical exception and should be handle in the UIApplication
uiApp.addMessage(new ApplicationMessage(ex.getMessage(), null));
context.setProcessRender(true);
}
} else if (uiChild instanceof UIFormInputContainer) {
UIFormInputContainer uiInput = (UIFormInputContainer) uiChild;
List<Validator> validators = uiInput.getValidators();
if (validators == null) {
continue;
}
try {
for (Validator validator : validators) {
validator.validate(uiInput);
}
} catch (MessageException ex) {
uiApp.addMessage(ex.getDetailMessage());
context.setProcessRender(true);
} catch (Exception ex) {
// TODO: This is a critical exception and should be handle in the UIApplication
uiApp.addMessage(new ApplicationMessage(ex.getMessage(), null));
context.setProcessRender(true);
}
}
}
}
}