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org.primefaces.renderkit.MenuItemAwareRenderer Maven / Gradle / Ivy
/*
* 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.renderkit;
import java.io.IOException;
import java.util.*;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.regex.Pattern;
import javax.faces.component.UIComponent;
import javax.faces.component.UIForm;
import javax.faces.component.behavior.ClientBehavior;
import javax.faces.component.behavior.ClientBehaviorContext;
import javax.faces.component.behavior.ClientBehaviorHolder;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.event.PhaseId;
import org.primefaces.behavior.confirm.ConfirmBehavior;
import org.primefaces.component.api.*;
import org.primefaces.component.divider.Divider;
import org.primefaces.component.menuitem.UIMenuItem;
import org.primefaces.event.MenuActionEvent;
import org.primefaces.model.menu.*;
import org.primefaces.util.ComponentTraversalUtils;
import org.primefaces.util.Constants;
import org.primefaces.util.HTML;
import org.primefaces.util.LangUtils;
public class MenuItemAwareRenderer extends OutcomeTargetRenderer {
private static final Logger LOGGER = Logger.getLogger(MenuItemAwareRenderer.class.getName());
@Override
public void decode(FacesContext context, UIComponent component) {
decodeDynamicMenuItem(context, component);
}
protected boolean isMenuItemLink(FacesContext context, UIComponent source, MenuItem menuitem) {
return LangUtils.isNotBlank(menuitem.getUrl()) || LangUtils.isNotBlank(menuitem.getOutcome());
}
protected boolean isMenuItemSubmitting(FacesContext context, UIComponent source, MenuItem menuitem) {
boolean submitting;
// #1 first check for assigned server side callbacks
submitting = menuitem.getFunction() != null || LangUtils.isNotBlank(menuitem.getCommand());
if (!submitting && menuitem instanceof UIMenuItem) {
submitting = ((UIMenuItem) menuitem).getActionExpression() != null
|| ((UIMenuItem) menuitem).getActionListeners().length > 0;
}
// 2# AJAX
if (!submitting && menuitem.isAjax()) {
submitting = menuitem.isResetValues()
|| LangUtils.isNotBlank(menuitem.getUpdate())
|| LangUtils.isNotBlank(menuitem.getProcess());
}
return submitting;
}
protected void encodeOnClick(FacesContext context, UIComponent source, MenuItem menuitem) throws IOException {
ResponseWriter writer = context.getResponseWriter();
setConfirmationScript(context, menuitem);
String onclick = menuitem.getOnclick();
boolean isLink = isMenuItemLink(context, source, menuitem);
boolean isSubmitting = isMenuItemSubmitting(context, source, menuitem);
//GET
if (isLink) {
String targetURL = getTargetURL(context, (UIOutcomeTarget) menuitem);
writer.writeAttribute("href", targetURL, null);
if (menuitem.getTarget() != null) {
writer.writeAttribute("target", menuitem.getTarget(), null);
}
}
//POST
else {
writer.writeAttribute("href", "#", null);
}
if (isSubmitting) {
String menuClientId = source.getClientId(context);
UIForm form = ComponentTraversalUtils.closestForm(source);
if (form == null) {
LOGGER.log(Level.FINE, () -> "Menu '" + menuClientId
+ "' should be inside a form or should reference a form via its form attribute."
+ " We will try to find a fallback form on the client side.");
}
String command;
if (menuitem.isDynamic()) {
Map> params = menuitem.getParams();
if (params == null) {
params = new LinkedHashMap<>();
}
params.put(menuClientId + "_menuid", Collections.singletonList(menuitem.getId()));
command = menuitem.isAjax()
? buildAjaxRequest(context, source, (AjaxSource) menuitem, form, params)
: buildNonAjaxRequest(context, source, form, menuClientId, params, true);
}
else {
command = menuitem.isAjax()
? buildAjaxRequest(context, (UIComponent & AjaxSource) menuitem, form)
: buildNonAjaxRequest(context, ((UIComponent) menuitem), form, ((UIComponent) menuitem).getClientId(context), true);
}
if (isLink) {
// allow CTRL+CLICK link to open new tab
command = "if(PF.metaKey(event)){return true};" + command;
}
onclick = (onclick == null) ? command : onclick + ";" + command;
}
if (onclick != null) {
if (menuitem.requiresConfirmation()) {
writer.writeAttribute("data-pfconfirmcommand", onclick, null);
writer.writeAttribute("onclick", menuitem.getConfirmationScript(), "onclick");
}
else {
writer.writeAttribute("onclick", onclick, null);
}
}
if (menuitem instanceof DialogReturnAware) {
List behaviorParams = new ArrayList<>(1);
behaviorParams.add(new ClientBehaviorContext.Parameter(Constants.CLIENT_BEHAVIOR_RENDERING_MODE, ClientBehaviorRenderingMode.UNOBSTRUSIVE));
String dialogReturnBehavior = getEventBehaviors(context, (ClientBehaviorHolder) menuitem, DialogReturnAware.EVENT_DIALOG_RETURN,
behaviorParams);
if (dialogReturnBehavior != null) {
writer.writeAttribute(DialogReturnAware.ATTRIBUTE_DIALOG_RETURN_SCRIPT, dialogReturnBehavior, null);
}
}
}
protected void encodeSeparator(FacesContext context, Separator separator) throws IOException {
if (!separator.isRendered()) {
return;
}
ResponseWriter writer = context.getResponseWriter();
String style = separator.getStyle();
String styleClass;
if (separator instanceof Divider) {
String layout = ((Divider) separator).getLayout();
String align = ((Divider) separator).getAlign();
String type = ((Divider) separator).getType();
boolean isHorizontal = "horizontal".equals(layout);
boolean isVertical = "vertical".equals(layout);
styleClass = getStyleClassBuilder(context)
.add(Divider.STYLE_CLASS)
.add(separator.getStyleClass())
.add(isHorizontal, Divider.HORIZONTAL_CLASS)
.add(isVertical, Divider.VERTICAL_CLASS)
.add("solid".equals(type), Divider.SOLID_CLASS)
.add("dashed".equals(type), Divider.DASHED_CLASS)
.add("dotted".equals(type), Divider.DOTTED_CLASS)
.add(isHorizontal && (align == null || "left".equals(align)), Divider.ALIGN_LEFT_CLASS)
.add(isHorizontal && "right".equals(align), Divider.ALIGN_RIGHT_CLASS)
.add((isHorizontal && "center".equals(align)) || (isVertical && (align == null || "center".equals(align))), Divider.ALIGN_CENTER_CLASS)
.add(isVertical && "top".equals(align), Divider.ALIGN_TOP_CLASS)
.add(isVertical && "bottom".equals(align), Divider.ALIGN_BOTTOM_CLASS)
.build();
}
else {
styleClass = getStyleClassBuilder(context)
.add(Divider.STYLE_CLASS)
.add(Divider.HORIZONTAL_CLASS)
.add(Divider.SOLID_CLASS)
.add(separator.getStyleClass())
.build();
}
//title
writer.startElement("li", null);
writer.writeAttribute(HTML.ARIA_ROLE, HTML.ARIA_ROLE_SEPARATOR, null);
writer.writeAttribute("class", styleClass, null);
if (style != null) {
writer.writeAttribute("style", style, null);
}
writer.endElement("li");
}
protected void setConfirmationScript(FacesContext context, MenuItem item) {
if (item instanceof ClientBehaviorHolder) {
Map> behaviors = ((ClientBehaviorHolder) item).getClientBehaviors();
List clickBehaviors = (behaviors == null) ? null : behaviors.get("click");
if (clickBehaviors != null && !clickBehaviors.isEmpty()) {
for (int i = 0; i < clickBehaviors.size(); i++) {
ClientBehavior clientBehavior = clickBehaviors.get(i);
if (clientBehavior instanceof ConfirmBehavior) {
ClientBehaviorContext cbc = ClientBehaviorContext.createClientBehaviorContext(
context, (UIComponent) item, "click", item.getClientId(), Collections.emptyList());
clientBehavior.getScript(cbc);
break;
}
}
}
}
}
protected MenuItem findMenuItemById(List elements, String id) {
if (elements == null || elements.isEmpty()) {
return null;
}
for (int i = 0; i < elements.size(); i++) {
MenuElement element = elements.get(i);
String menuId = element.getId();
if (menuId != null) {
menuId = menuId.split(Pattern.quote(BaseMenuModel.COORDINATES_SEPARATOR))[0];
}
if (Objects.equals(menuId, id)) {
return (MenuItem) element;
}
if (element instanceof MenuGroup) {
MenuItem result = findMenuItemById(((MenuGroup) element).getElements(), id);
if (result != null) {
return result;
}
}
}
return null;
}
protected MenuItem findMenuItemByCoordinates(List elements, String coords) {
if (elements == null || elements.isEmpty()) {
return null;
}
String[] paths = coords.split(BaseMenuModel.ID_SEPARATOR);
if (paths.length == 0) {
return null;
}
int childIndex = Integer.parseInt(paths[0]);
if (childIndex >= elements.size()) {
return null;
}
MenuElement childElement = elements.get(childIndex);
if (paths.length == 1) {
return (MenuItem) childElement;
}
else {
String relativeIndex = coords.substring(coords.indexOf(BaseMenuModel.ID_SEPARATOR) + 1);
return findMenuItemByCoordinates(((MenuGroup) childElement).getElements(), relativeIndex);
}
}
/**
* Decode menu item not present in JSF tree but added using model attribute.
* ID is in format UUID|COORDS.
*
* @param context the FacesContext
* @param component the menu component
* @return true if a menu item has been decoded, otherwise false
*/
protected boolean decodeDynamicMenuItem(FacesContext context, UIComponent component) {
String clientId = component.getClientId(context);
Map params = context.getExternalContext().getRequestParameterMap();
String menuid = params.get(clientId + "_menuid");
if (menuid == null) {
return false;
}
// split the UUID|COORDINATES by |
String[] ids = menuid.split(Pattern.quote(BaseMenuModel.COORDINATES_SEPARATOR));
if (ids.length == 0) {
return false;
}
String uuid = ids[0];
String coordinates = ids.length == 2 ? ids[1] : null;
MenuItem menuitem = findMenuItemById(((MenuItemAware) component).getElements(), uuid);
if (menuitem == null && coordinates != null) {
// #8867 fallback to old PF logic for RequestScoped
menuitem = findMenuItemByCoordinates(((MenuItemAware) component).getElements(), coordinates);
}
// skip removed/disabled menu items
if (menuitem != null && !menuitem.isDisabled()) {
MenuActionEvent event = new MenuActionEvent(component, menuitem);
if (menuitem.isImmediate()) {
event.setPhaseId(PhaseId.APPLY_REQUEST_VALUES);
}
else {
event.setPhaseId(PhaseId.INVOKE_APPLICATION);
}
component.queueEvent(event);
}
return true;
}
}
