Package org.apache.myfaces.tobago.util

Source Code of org.apache.myfaces.tobago.util.EncodeAjaxCallback

/*
* 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.util;


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.util.EncodeUtils;

import javax.faces.FacesException;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.event.PhaseId;
import java.io.IOException;

public class EncodeAjaxCallback implements TobagoCallback {

  public void invokeContextCallback(final FacesContext facesContext, final UIComponent component) {
    try {
       final UIComponent reload = component.getFacet(Facets.RELOAD);
       if (reload != null && reload.isRendered()) {
         final Boolean immediate = (Boolean) reload.getAttributes().get(Attributes.IMMEDIATE);
         if (immediate != null && !immediate) {
           final Boolean update = (Boolean) reload.getAttributes().get(Attributes.UPDATE);
           if (update != null && !update) {
             return;
           }
         }
      }
      EncodeUtils.prepareRendererAll(facesContext, component);
      if (component instanceof LayoutContainer) {
        final LayoutContainer layoutContainer = (LayoutContainer) component;
        final Measure width = layoutContainer.getCurrentWidth();
        final Measure height = layoutContainer.getCurrentHeight();
        final Measure oldWidth = layoutContainer.getWidth();
        final Measure oldHeight = layoutContainer.getHeight();
        layoutContainer.setWidth(width);
        layoutContainer.setHeight(height);
        new LayoutContext(layoutContainer).layout();
        layoutContainer.setWidth(oldWidth);
        layoutContainer.setHeight(oldHeight);
      }
      component.encodeAll(facesContext);
    } catch (final IOException e) {
      throw new FacesException(e);
    }
  }
 
  public PhaseId getPhaseId() {
      return PhaseId.RENDER_RESPONSE;
  }
 
  /**
   * @deprecated since 2.0.0, please use component.encodeAll()
   */
  @Deprecated
  public static void encodeAll(final FacesContext facesContext, final UIComponent component) throws IOException {
    component.encodeAll(facesContext);
  }

  /**
   * @deprecated since 2.0.0, please use EncodeUtils.prepareRendererAll()
   */
  @Deprecated
  public static void prepareRendererAll(final FacesContext facesContext, final UIComponent component)
      throws IOException {
    EncodeUtils.prepareRendererAll(facesContext, component);
  }
}
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