package org.apache.myfaces.tobago.renderkit.html.scarborough.standard.tag;
/*
* 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.
*/
import org.apache.myfaces.tobago.component.Facets;
import org.apache.myfaces.tobago.component.UIPanel;
import org.apache.myfaces.tobago.component.UIReload;
import org.apache.myfaces.tobago.internal.component.AbstractUIPanel;
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.Position;
import org.apache.myfaces.tobago.renderkit.css.Style;
import org.apache.myfaces.tobago.renderkit.html.HtmlAttributes;
import org.apache.myfaces.tobago.renderkit.html.HtmlElements;
import org.apache.myfaces.tobago.renderkit.html.util.HtmlRendererUtils;
import org.apache.myfaces.tobago.renderkit.util.RenderUtils;
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 javax.faces.context.ResponseWriter;
import java.io.IOException;
public class PanelRenderer extends LayoutComponentRendererBase {
private static final Logger LOG = LoggerFactory.getLogger(PanelRenderer.class);
@Override
public void prepareRender(FacesContext facesContext, UIComponent component) throws IOException {
super.prepareRender(facesContext, component);
HtmlRendererUtils.renderDojoDndSource(facesContext, component);
}
@Override
public boolean getRendersChildren() {
return true;
}
@Override
public void encodeChildren(FacesContext facesContext, UIComponent uiComponent) throws IOException {
UIPanel component = (UIPanel) uiComponent;
for (Object o : component.getChildren()) {
UIComponent child = (UIComponent) o;
RenderUtils.encode(facesContext, child);
}
}
@Override
public void encodeBegin(FacesContext facesContext, UIComponent component) throws IOException {
// UIPanel or UICell (deprecated)
AbstractUIPanel panel = (AbstractUIPanel) component;
TobagoResponseWriter writer = HtmlRendererUtils.getTobagoResponseWriter(facesContext);
String clientId = panel.getClientId(facesContext);
writer.startElement(HtmlElements.DIV, panel);
HtmlRendererUtils.renderDojoDndItem(panel, writer, true);
writer.writeIdAttribute(clientId);
writer.writeClassAttribute(Classes.create(panel));
Style style = new Style(facesContext, panel);
// XXX hotfix for panels in sheets
if (style.getPosition() == null) {
style.setPosition(Position.RELATIVE);
}
writer.writeStyleAttribute(style);
if (panel instanceof UIPanel && ((UIPanel) panel).getTip() != null) {
writer.writeAttribute(HtmlAttributes.TITLE, ((UIPanel) panel).getTip(), true);
}
HtmlRendererUtils.encodeContextMenu(facesContext, writer, panel);
// TODO check ajax id
if (!FacesContextUtils.isAjax(facesContext)) {
Integer frequency = null;
UIComponent facetReload = panel.getFacet(Facets.RELOAD);
if (facetReload != null && facetReload instanceof UIReload && facetReload.isRendered()) {
UIReload update = (UIReload) facetReload;
frequency = update.getFrequency();
}
if (frequency == null) {
frequency = 0;
}
final String[] cmds = {
"new Tobago.Panel(\"" + clientId + "\", " + true + ", " + frequency + ");"
};
HtmlRendererUtils.writeScriptLoader(facesContext, null, cmds);
}
HtmlRendererUtils.checkForCommandFacet(panel, facesContext, writer);
final Measure borderLeft = panel.getBorderLeft();
final Measure borderRight = panel.getBorderRight();
final Measure borderTop = panel.getBorderTop();
final Measure borderBottom = panel.getBorderBottom();
if (borderLeft.greaterThan(Measure.ZERO) || borderRight.greaterThan(Measure.ZERO)
|| borderTop.greaterThan(Measure.ZERO) || borderBottom.greaterThan(Measure.ZERO)) {
writer.startElement(HtmlElements.DIV, panel);
writer.writeClassAttribute(Classes.create(panel, "content")); // needed to be scrollable inside of the panel
final Style inner = new Style(facesContext, panel);
// Todo: FIXME (be null may occur in sheets)
if (inner.getWidth() != null) {
inner.setWidth(inner.getWidth().subtract(borderLeft).subtract(borderRight));
}
// Todo: FIXME (be null may occur in sheets)
if (inner.getHeight() != null) {
inner.setHeight(inner.getHeight().subtract(borderTop).subtract(borderBottom));
}
inner.setLeft(borderLeft);
inner.setTop(borderTop);
writer.writeStyleAttribute(inner);
}
}
@Override
public void encodeEnd(FacesContext facesContext, UIComponent component) throws IOException {
ResponseWriter writer = facesContext.getResponseWriter();
AbstractUIPanel panel = (AbstractUIPanel) component;
final Measure borderLeft = panel.getBorderLeft();
final Measure borderRight = panel.getBorderRight();
final Measure borderTop = panel.getBorderTop();
final Measure borderBottom = panel.getBorderBottom();
if (borderLeft.greaterThan(Measure.ZERO) || borderRight.greaterThan(Measure.ZERO)
|| borderTop.greaterThan(Measure.ZERO) || borderBottom.greaterThan(Measure.ZERO)) {
writer.endElement(HtmlElements.DIV);
}
writer.endElement(HtmlElements.DIV);
}
}