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Public API for the Apache MyFaces Trinidad project
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//          or you will lose your changes.

/*
 * 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.trinidad.component;

import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import org.apache.myfaces.trinidad.bean.FacesBean;
import org.apache.myfaces.trinidad.bean.PropertyKey;
import org.apache.myfaces.trinidad.context.PartialPageContext;
import org.apache.myfaces.trinidad.util.ComponentUtils;

/**
 *
 * This is base abstraction for column.
 *
 * Events:
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * Type Phases Description
org.apache.myfaces.trinidad.event.AttributeChangeEvent Invoke
Application
Apply
Request
Values Event delivered to describe an attribute change.  Attribute change events are not delivered for any programmatic change to a property.  They are only delivered when a renderer changes a property without the application's specific request.  An example of an attribute change event might include the width of a column that supported client-side resizing.
 */
public class UIXColumn extends UIXComponentBase
{
  static public final String SORT_STRENGTH_PRIMARY = "Primary";
  static public final String SORT_STRENGTH_SECONDARY = "Secondary";
  static public final String SORT_STRENGTH_TERTIARY = "Tertiary";
  static public final String SORT_STRENGTH_IDENTICAL = "Identical";
  static public final FacesBean.Type TYPE = new FacesBean.Type(
    UIXComponentBase.TYPE);
  static public final PropertyKey SORT_PROPERTY_KEY =
    TYPE.registerKey("sortProperty", String.class);
  static public final PropertyKey SORT_STRENGTH_KEY =
    TYPE.registerKey("sortStrength", String.class, "Identical");
  static public final String HEADER_FACET = "header";
  static public final String FOOTER_FACET = "footer";

  static public final String COMPONENT_FAMILY =
    "org.apache.myfaces.trinidad.Column";
  static public final String COMPONENT_TYPE =
    "org.apache.myfaces.trinidad.Column";

  /**
   * Construct an instance of the UIXColumn.
   */
  public UIXColumn()
  {
    super("org.apache.myfaces.trinidad.Column");
  }
    /**
   * Does not process the facets of this column. Only this column and
   * its children are processed.
   */
  @Override
  public void processDecodes(FacesContext context)
  {
    if (!isRendered())
      return;

    // Process all the children of this component:
    new ChildLoop.Decode().runAlways(context, this);

    // Process this component itself
    decode(context);
  }

  /**
   * Does not process the facets of this column. Only this column and
   * its children are processed.
   */
  @Override
  public void processValidators(FacesContext context)
  {
    if (!isRendered())
      return;

    // Process all the children of this component
    new ChildLoop.Validate().runAlways(context, this);
  }

  /**
   * Does not process the facets of this column. Only this column and
   * its children are processed.
   */
  @Override
  public void processUpdates(FacesContext context)
  {
    if (!isRendered())
      return;

    // Process all the children of this component
    new ChildLoop.Update().runAlways(context, this);
  }
  
  /**
   * When the column is being PPR-ed, we have to PPR the entire table
   * Note that this will work for the nested columns too because the parent column's 
   * setPartialTarget() will in turn delegate to the table
   */
  @Override
  protected void setPartialTarget(FacesContext facesContext,
    PartialPageContext partialContext)
  {
    UIXComponent.addPartialTarget(facesContext, partialContext, getParent());
  }

  /**
   * the node to use to render this column's header.
   */
  final public UIComponent getHeader()
  {
    return getFacet(HEADER_FACET);
  }

  /**
   * the node to use to render this column's header.
   */
  @SuppressWarnings("unchecked")
  final public void setHeader(UIComponent headerFacet)
  {
    getFacets().put(HEADER_FACET, headerFacet);
  }

  /**
   * the node to render as this column's footer.
   */
  final public UIComponent getFooter()
  {
    return getFacet(FOOTER_FACET);
  }

  /**
   * the node to render as this column's footer.
   */
  @SuppressWarnings("unchecked")
  final public void setFooter(UIComponent footerFacet)
  {
    getFacets().put(FOOTER_FACET, footerFacet);
  }

  /**
   * Gets The property that is displayed by this Column. This is the
   *             property that the framework might use to (for example) sort
   *             the Table's data.
   *
   * @return  the new sortProperty value
   */
  final public String getSortProperty()
  {
    return ComponentUtils.resolveString(getProperty(SORT_PROPERTY_KEY));
  }

  /**
   * Sets The property that is displayed by this Column. This is the
   *             property that the framework might use to (for example) sort
   *             the Table's data.
   * 
   * @param sortProperty  the new sortProperty value
   */
  final public void setSortProperty(String sortProperty)
  {
    setProperty(SORT_PROPERTY_KEY, (sortProperty));
  }

  /**
   * Gets The sorting strength for this column. It controls how this column should
   *       be sorted, what level of difference considered significant during comparison. Currently the
   *       values supported are: "Primary", "Secondary", "Tertiary" and "Identical". Default value is
   *       "Identical".
   *
   * @return  the new sortStrength value
   */
  final public String getSortStrength()
  {
    return ComponentUtils.resolveString(getProperty(SORT_STRENGTH_KEY), "Identical");
  }

  /**
   * Sets The sorting strength for this column. It controls how this column should
   *       be sorted, what level of difference considered significant during comparison. Currently the
   *       values supported are: "Primary", "Secondary", "Tertiary" and "Identical". Default value is
   *       "Identical".
   * 
   * @param sortStrength  the new sortStrength value
   */
  final public void setSortStrength(String sortStrength)
  {
    setProperty(SORT_STRENGTH_KEY, (sortStrength));
  }

  @Override
  public String getFamily()
  {
    return COMPONENT_FAMILY;
  }

  @Override
  protected FacesBean.Type getBeanType()
  {
    return TYPE;
  }

  /**
   * Construct an instance of the UIXColumn.
   */
  protected UIXColumn(
    String rendererType
    )
  {
    super(rendererType);
  }

  static
  {
    TYPE.lockAndRegister("org.apache.myfaces.trinidad.Column","org.apache.myfaces.trinidad.Column");
  }
}