Package org.apache.myfaces.tobago.renderkit.html.scarborough.standard.tag

Source Code of org.apache.myfaces.tobago.renderkit.html.scarborough.standard.tag.TreeNodeRendererBase

/*
* 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.context.Markup;
import org.apache.myfaces.tobago.internal.component.AbstractUIData;
import org.apache.myfaces.tobago.internal.component.AbstractUITree;
import org.apache.myfaces.tobago.internal.component.AbstractUITreeNode;
import org.apache.myfaces.tobago.renderkit.LayoutComponentRendererBase;
import org.apache.myfaces.tobago.util.ComponentUtils;

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

public class TreeNodeRendererBase extends LayoutComponentRendererBase {

  @Override
  public void prepareRender(FacesContext facesContext, UIComponent component) throws IOException {
    super.prepareRender(facesContext, component);

    final AbstractUITreeNode node = (AbstractUITreeNode) component;
    final AbstractUIData data = ComponentUtils.findAncestor(node, AbstractUIData.class);
    if (data instanceof AbstractUITree && ((AbstractUITree) data).getSelectedState().isSelected(node.getPath())) {
      ComponentUtils.addCurrentMarkup(node, Markup.SELECTED);
    }
    if (node.isFolder()) {
      ComponentUtils.addCurrentMarkup(node, Markup.FOLDER);
      if (data.getExpandedState().isExpanded(node.getPath())) {
        ComponentUtils.addCurrentMarkup(node, Markup.EXPANDED);
      }
    }
  }

}
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