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/*
* The MIT License
*
* Copyright (c) 2009-2023 PrimeTek Informatics
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.primefaces.component.picklist;
import java.util.*;
import javax.faces.FacesException;
import javax.faces.application.FacesMessage;
import javax.faces.application.ResourceDependency;
import javax.faces.context.FacesContext;
import javax.faces.convert.Converter;
import javax.faces.event.AjaxBehaviorEvent;
import javax.faces.event.BehaviorEvent;
import javax.faces.event.FacesEvent;
import org.primefaces.event.SelectEvent;
import org.primefaces.event.TransferEvent;
import org.primefaces.event.UnselectEvent;
import org.primefaces.model.DualListModel;
import org.primefaces.util.*;
@ResourceDependency(library = "primefaces", name = "components.css")
@ResourceDependency(library = "primefaces", name = "jquery/jquery.js")
@ResourceDependency(library = "primefaces", name = "jquery/jquery-plugins.js")
@ResourceDependency(library = "primefaces", name = "core.js")
@ResourceDependency(library = "primefaces", name = "components.js")
public class PickList extends PickListBase {
public static final String COMPONENT_TYPE = "org.primefaces.component.PickList";
public static final String CONTAINER_CLASS = "ui-picklist ui-widget ui-helper-clearfix";
public static final String LIST_CLASS = "ui-widget-content ui-picklist-list";
public static final String LIST_WRAPPER_CLASS = "ui-picklist-list-wrapper";
public static final String SOURCE_CLASS = LIST_CLASS + " ui-picklist-source";
public static final String TARGET_CLASS = LIST_CLASS + " ui-picklist-target";
public static final String BUTTONS_CLASS = "ui-picklist-buttons";
public static final String BUTTONS_CELL_CLASS = "ui-picklist-buttons-cell";
public static final String SOURCE_CONTROLS = "ui-picklist-source-controls ui-picklist-buttons";
public static final String TARGET_CONTROLS = "ui-picklist-target-controls ui-picklist-buttons";
public static final String ITEM_CLASS = "ui-picklist-item ui-corner-all";
public static final String ITEM_DISABLED_CLASS = "ui-state-disabled";
public static final String CAPTION_CLASS = "ui-picklist-caption ui-widget-header ui-corner-tl ui-corner-tr";
public static final String ADD_BUTTON_CLASS = "ui-picklist-button-add";
public static final String ADD_ALL_BUTTON_CLASS = "ui-picklist-button-add-all";
public static final String REMOVE_BUTTON_CLASS = "ui-picklist-button-remove";
public static final String REMOVE_ALL_BUTTON_CLASS = "ui-picklist-button-remove-all";
public static final String ADD_BUTTON_ICON_CLASS = "ui-icon ui-icon-arrow-1-e";
public static final String ADD_ALL_BUTTON_ICON_CLASS = "ui-icon ui-icon-arrowstop-1-e";
public static final String REMOVE_BUTTON_ICON_CLASS = "ui-icon ui-icon-arrow-1-w";
public static final String REMOVE_ALL_BUTTON_ICON_CLASS = "ui-icon ui-icon-arrowstop-1-w";
public static final String VERTICAL_ADD_BUTTON_ICON_CLASS = "ui-icon ui-icon-arrow-1-s";
public static final String VERTICAL_ADD_ALL_BUTTON_ICON_CLASS = "ui-icon ui-icon-arrowstop-1-s";
public static final String VERTICAL_REMOVE_BUTTON_ICON_CLASS = "ui-icon ui-icon-arrow-1-n";
public static final String VERTICAL_REMOVE_ALL_BUTTON_ICON_CLASS = "ui-icon ui-icon-arrowstop-1-n";
public static final String MOVE_UP_BUTTON_CLASS = "ui-picklist-button-move-up";
public static final String MOVE_DOWN_BUTTON_CLASS = "ui-picklist-button-move-down";
public static final String MOVE_TOP_BUTTON_CLASS = "ui-picklist-button-move-top";
public static final String MOVE_BOTTOM_BUTTON_CLASS = "ui-picklist-button-move-bottom";
public static final String MOVE_UP_BUTTON_ICON_CLASS = "ui-icon ui-icon-arrow-1-n";
public static final String MOVE_DOWN_BUTTON_ICON_CLASS = "ui-icon ui-icon-arrow-1-s";
public static final String MOVE_TOP_BUTTON_ICON_CLASS = "ui-icon ui-icon-arrowstop-1-n";
public static final String MOVE_BOTTOM_BUTTON_ICON_CLASS = "ui-icon ui-icon-arrowstop-1-s";
public static final String FILTER_CLASS = "ui-picklist-filter ui-inputfield ui-inputtext ui-widget ui-state-default ui-corner-all";
public static final String FILTER_CONTAINER = "ui-picklist-filter-container";
private static final Map> BEHAVIOR_EVENT_MAPPING = MapBuilder.>builder()
.put("transfer", TransferEvent.class)
.put("select", SelectEvent.class)
.put("unselect", UnselectEvent.class)
.put("reorder", null)
.build();
private static final Collection EVENT_NAMES = BEHAVIOR_EVENT_MAPPING.keySet();
private Map customEvents = new HashMap<>(1);
@Override
public Map> getBehaviorEventMapping() {
return BEHAVIOR_EVENT_MAPPING;
}
@Override
public Collection getEventNames() {
return EVENT_NAMES;
}
@Override
protected void validateValue(FacesContext facesContext, Object newValue) {
super.validateValue(facesContext, newValue);
DualListModel newModel = (DualListModel) newValue;
DualListModel oldModel = (DualListModel) getValue();
String clientId = getClientId(facesContext);
String label = getLabel();
if (label == null) {
label = clientId;
}
if (isRequired() && newModel.getTarget().isEmpty()) {
String requiredMessage = getRequiredMessage();
FacesMessage message = null;
if (requiredMessage != null) {
message = new FacesMessage(FacesMessage.SEVERITY_ERROR, requiredMessage, requiredMessage);
}
else {
message = MessageFactory.getFacesMessage(REQUIRED_MESSAGE_ID, FacesMessage.SEVERITY_ERROR, label);
}
facesContext.addMessage(clientId, message);
setValid(false);
}
checkDisabled(facesContext, label, newModel.getSource(), oldModel == null ? Collections.emptyList() : oldModel.getSource());
checkDisabled(facesContext, label, newModel.getTarget(), oldModel == null ? Collections.emptyList() : oldModel.getTarget());
}
/**
* Prohibits client-side manipulation of disabled entries, when CSS style-class ui-state-disabled is removed. See
* https://github.com/primefaces/primefaces/issues/2127
*
* @param newEntries new/set entries of model source/target list
* @param oldEntries old/former entries of model source/target list
*/
protected void checkDisabled(FacesContext facesContext, String label, List newEntries, List oldEntries) {
if (!isValid()) {
return;
}
Map requestMap = facesContext.getExternalContext().getRequestMap();
String varName = getVar();
String clientId = getClientId(facesContext);
Object originalItem = requestMap.get(varName);
for (int i = 0; i < newEntries.size(); i++) {
Object item = newEntries.get(i);
// Set the current item in request map to get its properties via stateHelper().eval() call
requestMap.put(varName, item);
boolean itemDisabled = isItemDisabled();
// Check if disabled item has been moved from its former/original list
if (itemDisabled && !oldEntries.contains(item)) {
FacesMessage message = MessageFactory.getFacesMessage(UPDATE_MESSAGE_ID, FacesMessage.SEVERITY_ERROR, label);
facesContext.addMessage(clientId, message);
setValid(false);
break;
}
}
// put the original value back
requestMap.put(varName, originalItem);
}
@Override
public void validate(FacesContext context) {
super.validate(context);
if (isValid() && customEvents != null) {
for (Map.Entry event : customEvents.entrySet()) {
String eventName = event.getKey();
AjaxBehaviorEvent behaviorEvent = event.getValue();
Map params = context.getExternalContext().getRequestParameterMap();
String clientId = getClientId(context);
DualListModel list = (DualListModel) getValue();
FacesEvent wrapperEvent = null;
if ("select".equals(eventName)) {
String listName = params.get(clientId + "_listName");
int itemIndex = Integer.parseInt(params.get(clientId + "_itemIndex"));
if ("target".equals(listName)) {
wrapperEvent = new SelectEvent(this, behaviorEvent.getBehavior(), list.getTarget().get(itemIndex));
}
else {
wrapperEvent = new SelectEvent(this, behaviorEvent.getBehavior(), list.getSource().get(itemIndex));
}
}
else if ("unselect".equals(eventName)) {
String listName = params.get(clientId + "_listName");
int itemIndex = Integer.parseInt(params.get(clientId + "_itemIndex"));
if ("target".equals(listName)) {
wrapperEvent = new UnselectEvent(this, behaviorEvent.getBehavior(), list.getTarget().get(itemIndex));
}
else {
wrapperEvent = new UnselectEvent(this, behaviorEvent.getBehavior(), list.getSource().get(itemIndex));
}
}
else if ("reorder".equals(eventName)) {
wrapperEvent = behaviorEvent;
}
if (wrapperEvent == null) {
throw new FacesException("Component " + this.getClass().getName() + " does not support event " + eventName + "!");
}
wrapperEvent.setPhaseId(behaviorEvent.getPhaseId());
super.queueEvent(wrapperEvent);
}
}
}
@Override
public void queueEvent(FacesEvent event) {
FacesContext context = getFacesContext();
if (ComponentUtils.isRequestSource(this, context) && event instanceof AjaxBehaviorEvent) {
Map paramValues = context.getExternalContext().getRequestParameterValuesMap();
Map params = context.getExternalContext().getRequestParameterMap();
String eventName = params.get(Constants.RequestParams.PARTIAL_BEHAVIOR_EVENT_PARAM);
String clientId = getClientId(context);
AjaxBehaviorEvent behaviorEvent = (AjaxBehaviorEvent) event;
if ("transfer".equals(eventName)) {
String[] items = paramValues.get(clientId + "_transferred");
boolean isAdd = Boolean.parseBoolean(params.get(clientId + "_add"));
List transferredItems = new ArrayList();
populateModel(context, items, transferredItems);
TransferEvent transferEvent = new TransferEvent(this, behaviorEvent.getBehavior(), transferredItems, isAdd);
transferEvent.setPhaseId(event.getPhaseId());
super.queueEvent(transferEvent);
}
else if ("select".equals(eventName) || "unselect".equals(eventName) || "reorder".equals(eventName)) {
customEvents.put(eventName, (AjaxBehaviorEvent) event);
}
}
else {
super.queueEvent(event);
}
}
@SuppressWarnings("unchecked")
public void populateModel(FacesContext context, String[] values, List model) {
Converter converter = getConverter();
if (values != null) {
for (String item : values) {
if (LangUtils.isBlank(item)) {
continue;
}
Object convertedValue = converter != null ? converter.getAsObject(context, this, item) : item;
if (convertedValue != null) {
model.add(convertedValue);
}
}
}
}
@Override
public Object saveState(FacesContext context) {
// reset component for MyFaces view pooling
if (customEvents != null) {
customEvents.clear();
}
return super.saveState(context);
}
}
