/*
    * Copyright 2008 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.ole.sys.document.web.renderers;
  
  import java.io.IOException;
  
  import javax.servlet.jsp.JspException;
  import javax.servlet.jsp.JspWriter;
  import javax.servlet.jsp.PageContext;
  import javax.servlet.jsp.tagext.Tag;
  
  import org.apache.struts.taglib.bean.WriteTag;
  import org.kuali.ole.sys.context.SpringContext;
  import org.kuali.rice.core.api.config.property.ConfigurationService;
  
  public class DebitCreditTotalRenderer extends TotalRendererBase {
      private String debitTotalProperty;
      private String creditTotalProperty;
      private String representedProperty;
      
      private String debitTotalLabelProperty = "accounting.line.group.debitTotal.label";
      private String creditTotalLabelProperty = "accounting.line.group.creditTotal.label";
      
      private String formName = "KualiForm";   
      
      private WriteTag debitWriteTag = new WriteTag();
      private WriteTag creditWriteTag = new WriteTag();
      
      /**
       * Constructs a GroupTotalRenderer, setting permanent values on the writeTag tag
       */
      public DebitCreditTotalRenderer() {
          debitWriteTag.setName(formName);
          creditWriteTag.setName(formName);
      }
  
      /**
       * Clears out the totalProperty
       * @see org.kuali.ole.sys.document.web.renderers.Renderer#clear()
       */
      public void clear() {
          super.clear();
          debitTotalProperty = null;
          creditTotalProperty = null;
          representedProperty = null;
          
          debitWriteTag.setPageContext(null);
          debitWriteTag.setParent(null);
          debitWriteTag.setProperty(null);
          
          creditWriteTag.setPageContext(null);
          creditWriteTag.setParent(null);
          creditWriteTag.setProperty(null);
      }
  
      /**
       * Uses a Struts write tag to dump out the total
       * @see org.kuali.ole.sys.document.web.renderers.Renderer#render(javax.servlet.jsp.PageContext, javax.servlet.jsp.tagext.Tag)
       */
      public void render(PageContext pageContext, Tag parentTag) throws JspException {
          JspWriter out = pageContext.getOut();
          
          try {
              out.write("<tr>");
              
              final int emptyCellSpanBefore = this.getColumnNumberOfRepresentedCell() - 1;
              out.write("<td  class=\"total-line\" colspan=\"");
              out.write(Integer.toString(emptyCellSpanBefore));
              out.write("\">&nbsp;</td>");
              
              out.write("<td class=\"total-line\" style=\"border-left: 0px; white-space:nowrap;\">");            
              out.write("<strong>");
              
              out.write(SpringContext.getBean(ConfigurationService.class).getPropertyValueAsString(debitTotalLabelProperty));
              out.write("&nbsp;");
              
              debitWriteTag.setPageContext(pageContext);
              debitWriteTag.setParent(parentTag);
              debitWriteTag.setProperty(debitTotalProperty);
              debitWriteTag.doStartTag();
              debitWriteTag.doEndTag();
              
              out.write("</strong>");            
              out.write("</td>");
              
              out.write("<td class=\"total-line\" style=\"border-left: 0px; white-space:nowrap;\">");            
             out.write("<strong>");
             
             out.write(SpringContext.getBean(ConfigurationService.class).getPropertyValueAsString(creditTotalLabelProperty));
             out.write("&nbsp;");
             
             creditWriteTag.setPageContext(pageContext);
             creditWriteTag.setParent(parentTag);
             creditWriteTag.setProperty(creditTotalProperty);
             creditWriteTag.doStartTag();
             creditWriteTag.doEndTag();
             
             out.write("</strong>");            
             out.write("</td>");
             
             final int emptyCellSpanAfter = this.getCellCount() - this.getColumnNumberOfRepresentedCell() - 1;
             if(emptyCellSpanAfter > 0) {
                 out.write("<td class=\"total-line\" style=\"border-left: 0px;\" colspan=\"");
                 out.write(Integer.toString(emptyCellSpanAfter));
                 out.write("\">&nbsp;</td>");
             }
             
             out.write("</tr>");
         }
         catch (IOException ioe) {
             throw new JspException("Difficulty rendering debit credit totals", ioe);
         }
     }
 
     /**
      * Gets the debitTotalProperty attribute. 
      * @return Returns the debitTotalProperty.
      */
     public String getDebitTotalProperty() {
         return debitTotalProperty;
     }
 
     /**
      * Sets the debitTotalProperty attribute value.
      * @param debitTotalProperty The debitTotalProperty to set.
      */
     public void setDebitTotalProperty(String debitTotalProperty) {
         this.debitTotalProperty = debitTotalProperty;
     }
 
     /**
      * Gets the creditTotalProperty attribute. 
      * @return Returns the creditTotalProperty.
      */
     public String getCreditTotalProperty() {
         return creditTotalProperty;
     }
 
     /**
      * Sets the creditTotalProperty attribute value.
      * @param creditTotalProperty The creditTotalProperty to set.
      */
     public void setCreditTotalProperty(String creditTotalProperty) {
         this.creditTotalProperty = creditTotalProperty;
     }
 
     /**
      * Gets the debitTotalLabelProperty attribute. 
      * @return Returns the debitTotalLabelProperty.
      */
     public String getDebitTotalLabelProperty() {
         return debitTotalLabelProperty;
     }
 
     /**
      * Sets the debitTotalLabelProperty attribute value.
      * @param debitTotalLabelProperty The debitTotalLabelProperty to set.
      */
     public void setDebitTotalLabelProperty(String debitTotalLabelProperty) {
         this.debitTotalLabelProperty = debitTotalLabelProperty;
     }
 
     /**
      * Gets the creditTotalLabelProperty attribute. 
      * @return Returns the creditTotalLabelProperty.
      */
     public String getCreditTotalLabelProperty() {
         return creditTotalLabelProperty;
     }
 
     /**
      * Sets the creditTotalLabelProperty attribute value.
      * @param creditTotalLabelProperty The creditTotalLabelProperty to set.
      */
     public void setCreditTotalLabelProperty(String creditTotalLabelProperty) {
         this.creditTotalLabelProperty = creditTotalLabelProperty;
     }
 }