package org.agilejava.icustomer.web.util;

import java.util.Map;

import javax.faces.component.UIComponent;

import org.apache.myfaces.custom.tree2.HtmlTree;
import org.apache.myfaces.shared_impl.renderkit.JSFAttr;

import com.sun.facelets.FaceletContext;
import com.sun.facelets.tag.MetaRuleset;
import com.sun.facelets.tag.jsf.ComponentConfig;
import com.sun.facelets.tag.jsf.ComponentHandler;

public class Tree2TagHandler
  extends ComponentHandler
{
  public Tree2TagHandler(ComponentConfig cfg)
  {
    super(cfg);
  }
  
  protected void onComponentCreated(FaceletContext ctx, UIComponent c, UIComponent parent)
  {
    super.onComponentCreated(ctx, c, parent);
    
    HtmlTree component = (HtmlTree)c;
    
    Map attrs = component.getAttributes();
    ensureBoolean(attrs, JSFAttr.SHOW_NAV);
    ensureBoolean(attrs, JSFAttr.SHOW_LINES);
    ensureBoolean(attrs, JSFAttr.CLIENT_SIDE_TOGGLE);
    ensureBoolean(attrs, JSFAttr.SHOW_ROOT_NODE);
    ensureBoolean(attrs, JSFAttr.PRESERVE_TOGGLE);
  }
  
  private void ensureBoolean(Map attributes, String attrName)
  {
    Object value = attributes.get(attrName);
    if (value == null || !(value instanceof String)) return;
    attributes.put(attrName, Boolean.valueOf((String)value));
  }
  
  protected MetaRuleset createMetaRuleset(Class type)
  {
    return super.createMetaRuleset(type)
      .alias("showNav", JSFAttr.SHOW_NAV)
      .alias("showLines", JSFAttr.SHOW_LINES)
      .alias("clientSideToggle", JSFAttr.CLIENT_SIDE_TOGGLE)
      .alias("showRootNode", JSFAttr.SHOW_ROOT_NODE)
      .alias("preserveToggle", JSFAttr.PRESERVE_TOGGLE);      
  }
}