/**
    * Copyright 2005-2015 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    *
   * 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.kuali.rice.krad.datadictionary;
  
  import java.io.Serializable;
  import java.util.HashMap;
  import java.util.Map;
  
  import org.apache.commons.lang.StringUtils;
  import org.kuali.rice.krad.datadictionary.parse.BeanTag;
  import org.kuali.rice.krad.datadictionary.parse.BeanTagAttribute;
  import org.kuali.rice.krad.datadictionary.uif.UifDictionaryBean;
  
  /**
   * The help element provides the keys to obtain a
   * help description from the database.
   *
   * On document JSP pages, a help icon may be rendered.  If this tag is specified, then
   * the filename of this page will be located in the value of the parameter specified by the namespace, detail type, and
   * name.
   *
   * The value of the parameter is relative to the value of the "externalizable.help.url" property in
   * ConfigurationService
   * (see KualiHelpAction).
   * parameterNamespace: namespace of the parameter that has the path to the help page
   * parameterName: name of the parameter that has the path to the help page
   * parameterDetailType: detail type of the parameter that has the path to the help page
   */
  @BeanTag(name = "helpDefinition")
  public class HelpDefinition extends DataDictionaryDefinitionBase implements UifDictionaryBean, Serializable {
      private static final long serialVersionUID = -6869646654597012863L;
  
      protected String parameterNamespace;
      protected String parameterDetailType;
      protected String parameterName;
  
      private Map<String, String> expressionGraph;
      private Map<String, String> refreshExpressionGraph;
      private Map<String, String> propertyExpressions;
  
      /**
       * Constructs a HelpDefinition.
       */
      public HelpDefinition() {
          expressionGraph = new HashMap<String, String>();
          refreshExpressionGraph = new HashMap<String, String>();
          propertyExpressions = new HashMap<String, String>();
  
      }
  
      /**
       * @return parameter name
       */
      @BeanTagAttribute(name = "parameterName")
      public String getParameterName() {
          return parameterName;
      }
  
      /**
       * @param parameterName name of the parameter that has the path to the help page
       */
      public void setParameterName(String parameterName) {
          if (StringUtils.isBlank(parameterName)) {
              throw new IllegalArgumentException("invalid (blank) parameterName");
          }
          this.parameterName = parameterName;
      }
  
      /**
       * @return parameter namespace
       */
      @BeanTagAttribute(name = "parameterNamespace")
      public String getParameterNamespace() {
          return parameterNamespace;
      }
  
      /**
       * parameterNamespace: namespace of the parameter that has the path to the help page
       */
      public void setParameterNamespace(String parameterNamespace) {
          this.parameterNamespace = parameterNamespace;
      }
  
      @BeanTagAttribute(name = "parameterDetailType")
      public String getParameterDetailType() {
          return this.parameterDetailType;
     }
 
     /**
      * parameterDetailType: detail type of the parameter that has the path to the help page
      */
     public void setParameterDetailType(String parameterDetailType) {
         if (StringUtils.isBlank(parameterDetailType)) {
             throw new IllegalArgumentException("invalid (blank) parameterDetailType");
         }
         this.parameterDetailType = parameterDetailType;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public Map<String, String> getExpressionGraph() {
         return expressionGraph;
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
     public void setExpressionGraph(Map<String, String> expressionGraph) {
         this.expressionGraph = expressionGraph;
     }
 
     /**
      * @see org.kuali.rice.krad.datadictionary.uif.UifDictionaryBean#getPropertyExpressions
      */
     public Map<String, String> getPropertyExpressions() {
         return propertyExpressions;
     }
 
     /**
      * {@inheritDoc}
      */
     public void setPropertyExpressions(Map<String, String> propertyExpressions) {
         this.propertyExpressions = propertyExpressions;
     }
 
     /**
      * {@inheritDoc}
      */
     public String getPropertyExpression(String propertyName) {
         if (this.propertyExpressions.containsKey(propertyName)) {
             return this.propertyExpressions.get(propertyName);
         }
 
         return null;
     }
 
 }