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org.icefaces.ace.component.message.MessageRenderer Maven / Gradle / Ivy
/*
* 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.message;
import org.icefaces.ace.util.ComponentUtils;
import org.icefaces.ace.util.JSONBuilder;
import org.icefaces.render.MandatoryResourceComponent;
import org.icefaces.util.EnvUtils;
import javax.faces.application.FacesMessage;
import javax.faces.application.ProjectStage;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.render.Renderer;
import java.io.IOException;
import java.util.*;
import java.util.logging.Level;
import java.util.logging.Logger;
@MandatoryResourceComponent(tagName = "message", value = "org.icefaces.ace.component.message.Message")
public class MessageRenderer extends Renderer {
private static final String[] icons = new String[]{"info", "notice", "alert", "alert"};
private static final String[] states = new String[]{"highlight", "highlight", "error", "error"};
private static final Set effectSet = new HashSet(Arrays.asList("blind", "bounce", "clip", "drop", "explode", "fade", "fold", "highlight", "puff", "pulsate", "scale", "shake", "size", "slide"));
private static final Set durationSet = new HashSet(Arrays.asList("slow", "_default", "fast"));
private static final Logger logger = Logger.getLogger(MessageRenderer.class.getName());
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
ResponseWriter writer = context.getResponseWriter();
Message message = (Message) component;
String forId = (forId = message.getFor()) == null ? "" : forId.trim();
boolean ariaEnabled = EnvUtils.isAriaEnabled(context);
String sourceMethod = "encodeEnd";
UIComponent forComponent = forId.equals("") ? null : message.findComponent(forId);
if (forComponent == null) {
log(Level.WARNING, sourceMethod, "'for' attribute value cannot be null or empty or non-existent id in ace:message component with id "+component.getId()+" in view "+context.getViewRoot().getViewId()+".");
return;
}
Iterator messageIter = context.getMessages(forComponent.getClientId(context));
writer.startElement("span", message);
String clientId = message.getClientId();
writer.writeAttribute("id", clientId, "id");
ComponentUtils.enableOnElementUpdateNotify(writer, clientId);
String styleClass = "ui-faces-message" + ((styleClass = message.getStyleClass()) == null ? "" : messageIter.hasNext() ? " " + styleClass : "");
writer.writeAttribute("class", styleClass, null);
writeAttributes(writer, component, "lang", "title");
if (messageIter.hasNext()) writeAttributes(writer, component, "style");
if (ariaEnabled) {
writer.writeAttribute("role", "alert", null);
writer.writeAttribute("aria-atomic", "true", null);
writer.writeAttribute("aria-live", "polite", null);
writer.writeAttribute("aria-relevant", "all", null);
}
writer.startElement("span", null);
writer.writeAttribute("id", clientId + "_msg", "id");
boolean rendered = false;
FacesMessage facesMessage;
while (messageIter.hasNext()) {
facesMessage = (FacesMessage) messageIter.next();
if (!facesMessage.isRendered() || message.isRedisplay()) {
encodeMessage(writer, message, facesMessage, "");
/*encodeMessage(writer, message, facesMessage, styleClass);*/
rendered = true;
break;
}
}
if (!rendered) {
message.setCurrText("");
/*writer.writeAttribute("class", styleClass, null);*/
}
writer.endElement("span");
String event = "", effect = "", duration = "";
String prevText = (prevText = message.getPrevText()) != null ? prevText : "";
String currText = (currText = message.getCurrText()) != null ? currText : "";
if (prevText.equals("") && !currText.equals("")) {
event = "init";
effect = (effect = message.getInitEffect()) != null ? effect.trim() : "";
logInvalid(effectSet, "effect", effect, sourceMethod);
effect = effectSet.contains(effect) ? effect : "";
duration = (duration = message.getInitEffectDuration()) != null ? duration.trim() : "";
} else if (!prevText.equals("") && !currText.equals("") && !prevText.equals(currText)) {
event = "change";
effect = (effect = message.getChangeEffect()) != null ? effect.trim() : "";
logInvalid(effectSet, "effect", effect, sourceMethod);
effect = effectSet.contains(effect) ? effect : "";
duration = (duration = message.getChangeEffectDuration()) != null ? duration.trim() : "";
}
if (!(event.equals("") || effect.equals(""))) {
JSONBuilder jb = JSONBuilder.create();
jb.beginMap()
.entry("id", clientId)
.entry("event", event)
.entry("effect", effect);
try {
jb.entry("duration", Integer.parseInt(duration));
} catch (NumberFormatException e) {
logInvalid(durationSet, "duration", duration, sourceMethod);
duration = durationSet.contains(duration) ? duration : "_default";
jb.entry("duration", duration);
}
jb.endMap();
writer.startElement("script", null);
writer.write("ice.ace.Message.factory(" + jb + ");//" + UUID.randomUUID());
writer.endElement("script");
}
writer.endElement("span");
message.setPrevText(message.getCurrText());
}
private void encodeMessage(ResponseWriter writer, Message message, FacesMessage facesMessage, String styleClass) throws IOException {
boolean showSummary = message.isShowSummary();
boolean showDetail = message.isShowDetail();
String summary = (null != (summary = facesMessage.getSummary())) ? summary : "";
String detail = (null != (detail = facesMessage.getDetail())) ? detail : ""; // Mojarra defaults to summary. Not good.
String text = ((showSummary ? summary : "") + " " + (showDetail ? detail : "")).trim();
message.setCurrText(text);
int ordinal = (ordinal = FacesMessage.VALUES.indexOf(facesMessage.getSeverity())) > -1 && ordinal < states.length ? ordinal : 0;
if (text.equals("")) {
styleClass += " ui-empty-message";
}
writer.writeAttribute("class", styleClass + " ui-widget ui-corner-all ui-state-" + states[ordinal], null);
writer.startElement("span", null);
writer.writeAttribute("class", "ui-faces-message-icon", null);
writer.startElement("span", null);
writer.writeAttribute("class", "ui-icon ui-icon-" + icons[ordinal], null);
writer.endElement("span");
writer.endElement("span");
writer.startElement("span", null);
writer.writeAttribute("class", "ui-faces-message-text", null);
if (!text.equals("")) {
if (message.isEscape()) {
writer.writeText(text, message, null);
} else {
writer.write(text);
}
}
writer.endElement("span");
facesMessage.rendered();
}
private void writeAttributes(ResponseWriter writer, UIComponent component, String... keys) throws IOException {
Object value;
for (String key : keys) {
value = component.getAttributes().get(key);
if (value != null) {
writer.writeAttribute(key, value, key);
}
}
}
private void log(Level level, String sourceMethod, String message) {
if (!FacesContext.getCurrentInstance().isProjectStage(ProjectStage.Development)) return;
logger.logp(level, logger.getName(), sourceMethod, message);
}
private void logInvalid(Set validSet, String name, String value, String sourceMethod) {
if (!value.equals("") && !validSet.contains(value)) {
log(Level.WARNING, sourceMethod, "Invalid " + name + " \"" + value + "\" reset to default. Read TLD doc.");
}
}
}