/*
   	StatCvs - CVS statistics generation
   	Copyright (C) 2002  Lukasz Pekacki <lukasz@pekacki.de>
   	http://statcvs.sf.net/
   
   	This library is free software; you can redistribute it and/or
   	modify it under the terms of the GNU Lesser General Public
   	License as published by the Free Software Foundation; either
   	version 2.1 of the License, or (at your option) any later version.
  
  	This library is distributed in the hope that it will be useful,
  	but WITHOUT ANY WARRANTY; without even the implied warranty of
  	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  	Lesser General Public License for more details.
  
  	You should have received a copy of the GNU Lesser General Public
  	License along with this library; if not, write to the Free Software
  	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  
  	$RCSfile: HTMLTableCellRenderer.java,v $
  	$Date: 2008/04/02 11:22:15 $
  */
  package net.sf.statcvs.renderer;
  
  import net.sf.statcvs.Messages;
  import net.sf.statcvs.model.Author;
  import net.sf.statcvs.model.Directory;
  import net.sf.statcvs.model.VersionedFile;
  import net.sf.statcvs.output.WebRepositoryIntegration;
  import net.sf.statcvs.pages.HTML;
  import net.sf.statcvs.pages.MarkupSyntax;
  import net.sf.statcvs.pages.ReportSuiteMaker;
  
  /**
   * Helper class for rendering different types of table cells and table heads
   * to HTML
   *
   * @author Richard Cyganiak <rcyg@gmx.de>
   * @version $Id: HTMLTableCellRenderer.java,v 1.10 2008/04/02 11:22:15 benoitx Exp $
   */
  public class HTMLTableCellRenderer implements TableCellRenderer {
      private String html = null;
      private MarkupSyntax output = null;
  
      /**
       * Render a generic table cell to HTML
       * @param content the cell's content
       */
      public void renderCell(final String content) {
          html = content;
      }
  
      /**
       * Render an empty cell to HTML
       */
      public void renderEmptyCell() {
          html = null;
      }
  
      /**
       * Render an integer cell to HTML
       * @param value the cell's content
       */
      public void renderIntegerCell(final int value) {
          html = Integer.toString(value);
      }
  
      /**
       * Render an integer cell to HTML, showing both the integer value and
       * a percentage of a total
       * @param value the cell's content
       * @param total the total, worth 100%
       */
      public void renderIntegerCell(final int value, final int total) {
          html = Integer.toString(value) + " (" + getPercentage((double) value / (double) total) + ")";
      }
  
      /**
       * Render a percentage cell to HTML
       * @param ratio the cell's content
       */
      public void renderPercentageCell(final double ratio) {
          html = getPercentage(ratio);
      }
  
      /**
       * Render a cell containing an author to HTML
       * @param author the author
       */
      public void renderAuthorCell(final Author author) {
          html = HTML.getAuthorLink(author);
      }
  
      /**
       * Render a cell containing an author Id to HTML
       * @param author the author
       */
      public void renderAuthorIdCell(final Author author) {
          html = HTML.getAuthorIdLink(author);
     }
 
     /**
      * Render a cell containing a directory to HTML
      * @param directory the directory
      */
     public void renderDirectoryCell(final Directory directory) {
         html = HTML.getDirectoryLink(directory);
     }
 
     /**
      * Render a cell containing a file to HTML
      * @param file the file
      * @param withIcon display an icon in front of the filename?
      * @param webRepository for creating links; might be <tt>null</tt>
      */
     public void renderFileCell(final VersionedFile file, final boolean withIcon, final WebRepositoryIntegration webRepository) {
         if (webRepository == null) {
             html = file.getFilenameWithPath();
         } else {
             html = HTML.getLink(webRepository.getFileViewUrl(file), file.getFilenameWithPath());
         }
         if (withIcon) {
             if (file.isDead()) {
                 html = HTML.getIcon(ReportSuiteMaker.DELETED_FILE_ICON, Messages.getString("DELETED_FILE_ICON")) + " " + html;
             } else {
                 html = HTML.getIcon(ReportSuiteMaker.FILE_ICON, Messages.getString("FILE_ICON")) + " " + html;
             }
         }
     }
 
     /**
      * Render a cell containing a repository tag.
      */
     public void renderLinkCell(final String url, final String label) {
         this.html = HTML.getLink(url, label);
     }
 
     /**
      * Return the results of the last <tt>renderCell</tt> call
      * @return HTML
      */
     public String getColumnHead() {
         return getHtml("th");
     }
 
     /**
      * Return the results of the last <tt>renderCell</tt> call
      * as a row head
      * @return HTML
      */
     public String getRowHead() {
         return getHtml("th");
     }
 
     /**
      * Return the results of the last <tt>renderCell</tt> call
      * as an ordinary table cell
      * @return HTML
      */
     public String getTableCell() {
         return getHtml("td");
     }
 
     private String getPercentage(final double ratio) {
         if (Double.isNaN(ratio)) {
             return "-";
         }
         final int percentTimes10 = (int) Math.round(ratio * 1000);
         final double percent = percentTimes10 / 10.0;
         return Double.toString(percent) + "%";
     }
 
     private String getHtml(final String tag) {
         if (html == null) {
             return "<" + tag + "></" + tag + ">";
         }
         return "<" + tag + ">" + html + "</" + tag + ">";
     }
 
     /**
      * @return the output
      */
     public MarkupSyntax getOutput() {
         return output;
     }
 
     /**
      * @param output the output to set
      */
     public void setOutput(final MarkupSyntax output) {
         this.output = output;
     }
 
     public String getOddRowFormat() {
         return " class=\"even\"";
     }
 
     public String getEvenRowFormat() {
         return " class=\"odd\"";
     }
 }