org.icefaces.ace.component.simpleselectonemenu.SimpleSelectOneMenu Maven / Gradle / Ivy
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/*
* Copyright 2004-2014 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 org.icefaces.ace.component.clientValidator.Validateable;
import org.icefaces.component.Focusable;
import org.icefaces.ace.util.SelectItemsIterator;
import org.icefaces.ace.util.SelectUtils;
import javax.faces.model.SelectItem;
import javax.faces.component.UISelectItem;
import javax.faces.component.UISelectItems;
import javax.faces.component.UISelectOne;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.event.FacesEvent;
import javax.faces.validator.Validator;
import javax.faces.validator.ValidatorException;
import java.util.*;
import javax.faces.application.Application;
import javax.faces.application.FacesMessage;
import java.util.Locale;
import java.util.ResourceBundle;
public class SimpleSelectOneMenu extends SimpleSelectOneMenuBase implements Focusable, Validateable {
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();
SelectItemsIterator selectItemsIterator = new SelectItemsIterator(context, uiComponent);
while (selectItemsIterator.hasNext()) {
selectItems.add(cloneSelectItem(selectItemsIterator.next()));
}
return selectItems;
}
public String getFocusedElementId() {
return getClientId() + "_input";
}
public String getValidatedElementId() {
return getClientId() + "_input";
}
@Override
protected void validateValue(FacesContext facesContext, Object submittedValue) {
// custom validators
if (!isEmpty(submittedValue)) {
if (getValidators() != null) {
Validator[] validators = getValidators();
for (Validator validator : validators) {
try {
validator.validate(facesContext, this, submittedValue);
}
catch (ValidatorException ve) {
// If the validator throws an exception, we're
// invalid, and we need to add a message
setValid(false);
FacesMessage message;
String validatorMessageString = getValidatorMessage();
if (null != validatorMessageString) {
message =
new FacesMessage(FacesMessage.SEVERITY_ERROR,
validatorMessageString,
validatorMessageString);
message.setSeverity(FacesMessage.SEVERITY_ERROR);
} else {
Collection messages = ve.getFacesMessages();
if (null != messages) {
message = null;
String cid = getClientId(facesContext);
for (FacesMessage m : messages) {
facesContext.addMessage(cid, m);
}
} else {
message = ve.getFacesMessage();
}
}
if (message != null) {
facesContext.addMessage(getClientId(facesContext), message);
}
}
}
}
}
if (!isValid()) return;
boolean found = SelectUtils.matchValue(facesContext,
this,
submittedValue,
new SelectItemsIterator(facesContext, this),
getConverter());
boolean isNoSelection = SelectUtils.valueIsNoSelectionOption(facesContext,
this,
submittedValue,
new SelectItemsIterator(facesContext, this),
getConverter());
boolean valid = true;
if (!isRequired() && isNoSelection) {
valid = true;
} else {
if (!found) valid = false;
else if (isRequired() && isNoSelection) valid = false;
}
if (!valid) { // flag as invalid and add error message
Locale locale = null;
// facesContext.getViewRoot() may not have been initialized at this point.
if (facesContext != null && facesContext.getViewRoot() != null) {
locale = facesContext.getViewRoot().getLocale();
if (locale == null) {
locale = Locale.getDefault();
}
} else {
locale = Locale.getDefault();
}
String summary = null;
String detail = null;
ResourceBundle bundle;
String bundleName;
String messageId = UISelectOne.INVALID_MESSAGE_ID;
Application app = facesContext.getApplication();
Class appClass = app.getClass();
// see if we have a user-provided bundle
if (null != (bundleName = app.getMessageBundle())) {
if (null !=
(bundle =
ResourceBundle.getBundle(bundleName, locale,
getCurrentLoader(appClass)))) {
// see if we have a hit
try {
summary = bundle.getString(messageId);
detail = bundle.getString(messageId + "_detail");
}
catch (Exception e) {
// ignore
}
}
}
// we couldn't find a summary in the user-provided bundle
if (null == summary) {
// see if we have a summary in the app provided bundle
if (null !=
(bundle =
ResourceBundle.getBundle(FacesMessage.FACES_MESSAGES,
locale, getCurrentLoader(appClass)))) {
try {
summary = bundle.getString(messageId);
detail = bundle.getString(messageId + "_detail");
} catch (Exception e) {
// ignore
}
}
}
// use default message
if (null == summary) {
summary = "{0}: INVALID: Selected value didn't match one of the options.";
detail = summary;
}
String _label = getLabel();
if (_label != null && !"".equals(_label)) {
summary = summary.replace("{0}", _label);
if (detail != null) detail = detail.replace("{0}", _label);
}
FacesMessage message = new FacesMessage(FacesMessage.SEVERITY_ERROR, summary, detail);
facesContext.addMessage(getClientId(facesContext), message);
setValid(false);
} else {
setValid(true);
}
}
private static ClassLoader getCurrentLoader(Class fallbackClass) {
ClassLoader loader =
Thread.currentThread().getContextClassLoader();
if (loader == null) {
loader = fallbackClass.getClassLoader();
}
return loader;
}
private static SelectItem cloneSelectItem(SelectItem o) {
SelectItem copy = new SelectItem();
String description = o.getDescription();
if (description != null) copy.setDescription(new String(description));
copy.setDisabled(o.isDisabled());
copy.setEscape(o.isEscape());
String label = o.getLabel();
if (label != null) copy.setLabel(new String(label));
copy.setNoSelectionOption(o.isNoSelectionOption());
copy.setValue(o.getValue());
return copy;
}
}