package org.apache.myfaces.tobago.util;
/*
* 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.Attributes;
import org.apache.myfaces.tobago.component.Facets;
import org.apache.myfaces.tobago.internal.layout.LayoutContext;
import org.apache.myfaces.tobago.layout.LayoutContainer;
import org.apache.myfaces.tobago.layout.Measure;
import org.apache.myfaces.tobago.renderkit.RendererBase;
import javax.faces.FacesException;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.event.PhaseId;
import java.io.IOException;
import java.util.Iterator;
public class EncodeAjaxCallback implements TobagoCallback {
public void invokeContextCallback(FacesContext facesContext, UIComponent component) {
try {
UIComponent reload = component.getFacet(Facets.RELOAD);
if (reload != null && reload.isRendered()) {
Boolean immediate = (Boolean) reload.getAttributes().get(Attributes.IMMEDIATE);
if (immediate != null && !immediate) {
Boolean update = (Boolean) reload.getAttributes().get(Attributes.UPDATE);
if (update != null && !update) {
return;
}
}
}
if (component instanceof LayoutContainer) {
LayoutContainer layoutContainer = (LayoutContainer) component;
Measure width = layoutContainer.getCurrentWidth();
Measure height = layoutContainer.getCurrentHeight();
Measure oldWidth = layoutContainer.getWidth();
Measure oldHeight = layoutContainer.getHeight();
layoutContainer.setWidth(width);
layoutContainer.setHeight(height);
new LayoutContext(layoutContainer).layout();
layoutContainer.setWidth(oldWidth);
layoutContainer.setHeight(oldHeight);
}
prepareRendererAll(facesContext, component);
encodeAll(facesContext, component);
} catch (IOException e) {
throw new FacesException(e);
}
}
public PhaseId getPhaseId() {
return PhaseId.RENDER_RESPONSE;
}
// TODO replace with component.encodeAll after removing jsf 1.1 support
public static void encodeAll(FacesContext facesContext, UIComponent component) throws IOException {
if (component.isRendered()) {
component.encodeBegin(facesContext);
if (component.getRendersChildren()) {
component.encodeChildren(facesContext);
} else {
for (Object o : component.getChildren()) {
UIComponent kid = (UIComponent) o;
encodeAll(facesContext, kid);
}
}
component.encodeEnd(facesContext);
}
}
// TODO merge with RenderUtils.prepareRendererAll
public static void prepareRendererAll(FacesContext facesContext, UIComponent component) throws IOException {
RendererBase renderer = ComponentUtils.getRenderer(facesContext, component);
boolean prepareRendersChildren = false;
if (renderer != null) {
renderer.prepareRender(facesContext, component);
prepareRendersChildren = renderer.getPrepareRendersChildren();
}
if (prepareRendersChildren) {
renderer.prepareRendersChildren(facesContext, component);
} else {
Iterator it = component.getFacetsAndChildren();
while (it.hasNext()) {
UIComponent child = (UIComponent) it.next();
prepareRendererAll(facesContext, child);
}
}
}
}