/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.myfaces.tobago.renderkit.html.scarborough.standard.tag;
import org.apache.myfaces.tobago.component.UIPopup;
import org.apache.myfaces.tobago.context.Markup;
import org.apache.myfaces.tobago.internal.component.AbstractUIPage;
import org.apache.myfaces.tobago.internal.layout.LayoutContext;
import org.apache.myfaces.tobago.internal.util.FacesContextUtils;
import org.apache.myfaces.tobago.layout.Measure;
import org.apache.myfaces.tobago.renderkit.LayoutComponentRendererBase;
import org.apache.myfaces.tobago.renderkit.css.Classes;
import org.apache.myfaces.tobago.renderkit.css.Style;
import org.apache.myfaces.tobago.renderkit.html.HtmlElements;
import org.apache.myfaces.tobago.renderkit.html.util.HtmlRendererUtils;
import org.apache.myfaces.tobago.util.ComponentUtils;
import org.apache.myfaces.tobago.webapp.TobagoResponseWriter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import java.io.IOException;
public class PopupRenderer extends LayoutComponentRendererBase {
private static final Logger LOG = LoggerFactory.getLogger(PopupRenderer.class);
@Override
public boolean getRendersChildren() {
return true;
}
@Override
public void prepareRender(final FacesContext facesContext, final UIComponent component) throws IOException {
final UIPopup popup = (UIPopup) component;
FacesContextUtils.addPopup(facesContext, popup);
super.prepareRender(facesContext, popup);
if (popup.isModal()) {
ComponentUtils.addCurrentMarkup(popup, Markup.MODAL);
}
}
@Override
public void encodeBegin(final FacesContext facesContext, final UIComponent component) throws IOException {
final TobagoResponseWriter writer = HtmlRendererUtils.getTobagoResponseWriter(facesContext);
final UIPopup popup = (UIPopup) component;
final LayoutContext layoutContext = new LayoutContext(popup);
layoutContext.layout();
// XXX fixing invisible popups
if (popup.getCurrentWidth() == null || popup.getCurrentWidth().equals(Measure.ZERO)) {
LOG.warn("Undefined width of popup with id='" + popup.getClientId(facesContext) + "'");
popup.setCurrentWidth(getPreferredWidth(facesContext, popup));
}
if (popup.getCurrentHeight() == null || popup.getCurrentHeight().equals(Measure.ZERO)) {
LOG.warn("Undefined height of popup with id='" + popup.getClientId(facesContext) + "'");
popup.setCurrentHeight(getPreferredHeight(facesContext, popup));
}
final String clientId = popup.getClientId(facesContext);
// XXX May be computed in the "Layout Manager Phase"
final AbstractUIPage page = ComponentUtils.findPage(facesContext);
if (popup.getLeft() == null) {
popup.setLeft(page.getCurrentWidth().subtract(popup.getCurrentWidth()).divide(2));
}
if (popup.getTop() == null) {
popup.setTop(page.getCurrentHeight().subtract(popup.getCurrentHeight()).divide(2));
}
writer.startElement(HtmlElements.DIV, popup);
writer.writeIdAttribute(clientId);
HtmlRendererUtils.writeDataAttributes(facesContext, writer, popup);
final Style style = new Style(facesContext, popup);
Integer zIndex = popup.getZIndex();
if (zIndex == null) {
zIndex = 100;
LOG.warn("No z-index found for UIPopup. Set to " + zIndex);
}
style.setZIndex(zIndex);
writer.writeStyleAttribute(style);
writer.writeClassAttribute(Classes.create(popup));
}
@Override
public void encodeEnd(final FacesContext facesContext, final UIComponent component) throws IOException {
final TobagoResponseWriter writer = HtmlRendererUtils.getTobagoResponseWriter(facesContext);
writer.endElement(HtmlElements.DIV);
}
}