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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.focus;
import java.io.IOException;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import javax.faces.application.FacesMessage;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.primefaces.expression.SearchExpressionFacade;
import org.primefaces.renderkit.CoreRenderer;
import org.primefaces.renderkit.RendererUtils;
public class FocusRenderer extends CoreRenderer {
private static final Map SEVERITY_ORDINALS = new HashMap<>();
static {
SEVERITY_ORDINALS.put("info", FacesMessage.SEVERITY_INFO.getOrdinal());
SEVERITY_ORDINALS.put("warn", FacesMessage.SEVERITY_WARN.getOrdinal());
SEVERITY_ORDINALS.put("error", FacesMessage.SEVERITY_ERROR.getOrdinal());
SEVERITY_ORDINALS.put("fatal", FacesMessage.SEVERITY_FATAL.getOrdinal());
}
@Override
public void encodeEnd(FacesContext context, UIComponent component) throws IOException {
Focus focus = (Focus) component;
ResponseWriter writer = context.getResponseWriter();
//Dummy markup for ajax update
writer.startElement("span", focus);
writer.writeAttribute("id", focus.getClientId(context), "id");
writer.endElement("span");
writer.startElement("script", focus);
RendererUtils.encodeScriptTypeIfNecessary(context);
if (isValueBlank(focus.getFor())) {
encodeImplicitFocus(context, focus);
}
else {
encodeExplicitFocus(context, focus);
}
writer.endElement("script");
}
protected void encodeExplicitFocus(FacesContext context, Focus focus) throws IOException {
ResponseWriter writer = context.getResponseWriter();
UIComponent forComponent = SearchExpressionFacade.resolveComponent(
context, focus, focus.getFor());
String clientId = forComponent.getClientId(context);
writer.write("$(function(){");
writer.write("PrimeFaces.focus('" + clientId + "');");
writer.write("});");
}
protected void encodeImplicitFocus(FacesContext context, Focus focus) throws IOException {
ResponseWriter writer = context.getResponseWriter();
String invalidClientId = findFirstInvalidComponentClientId(context, focus);
writer.write("$(function(){");
if (invalidClientId != null) {
writer.write("PrimeFaces.focus('" + invalidClientId + "');");
}
else if (focus.getContext() != null) {
UIComponent focusContext = SearchExpressionFacade.resolveComponent(
context, focus, focus.getContext());
writer.write("PrimeFaces.focus(null, '" + focusContext.getClientId(context) + "');");
}
else {
writer.write("PrimeFaces.focus();");
}
writer.write("});");
}
protected String findFirstInvalidComponentClientId(FacesContext context, Focus focus) {
int minSeverityOrdinal = SEVERITY_ORDINALS.get(focus.getMinSeverity());
for (Iterator iterator = context.getClientIdsWithMessages(); iterator.hasNext(); ) {
String clientId = iterator.next();
for (Iterator messageIter = context.getMessages(clientId); messageIter.hasNext(); ) {
FacesMessage message = messageIter.next();
if (message.getSeverity().getOrdinal() >= minSeverityOrdinal) {
return clientId;
}
}
}
return null;
}
}