/******************************************************************************
    * PicsInDirDom.java - XML Chains for PicMan's Editors
    * 
    * PicMan - The BuckoSoft Picture Manager in Java
    * Copyright(c) 2008 - Dick Balaska
    * 
    */
   package com.buckosoft.PicMan.dom;
   
  import java.util.Iterator;
  import java.util.List;
  
  import org.dom4j.Document;
  import org.dom4j.DocumentHelper;
  import org.dom4j.Element;
  
  import com.buckosoft.PicMan.business.PicManFacade;
  import com.buckosoft.PicMan.domain.Pic;
  import com.buckosoft.PicMan.domain.User;
  
  
  /** Fetch the Sets as a DOM
   * @author Dick Balaska
   * @since 2008/01/14
   * @see <a href="http://cvs.buckosoft.com/Projects/java/PicMan/PicMan/src/com/buckosoft/PicMan/dom/PicsInDirDom.java">PicsInDirDom.java</a>
   */
  public class PicsInDirDom {
  	/** Create a DOM of the Pics in this directory
  	 * @param pmf The PicMan Facade
  	 * @param user The user that is logged in.
  	 * @param rid The Root Id to query
  	 * @param dirName The directory to query.  i.e. "2002/20021225" 
  	 * @return The DOM
  	 */
  	static public Document createDocument(PicManFacade pmf, User user, int rid, String dirName) {
  		Document document = DocumentHelper.createDocument();
  		Element root = document.addElement("PicsInDir");
  		List<Pic> list = pmf.getDB().getPicsInDir(rid, dirName);
  		root.addElement("filterPagePicCount").addText("" + user.getFilterPagePicCount());
  		Element pics = DocumentHelper.createElement("Pics");
  		Iterator<Pic> iter = list.iterator();
  		int row = 0;
  		int col = 0;
  		while (iter.hasNext()) {
  			Pic pic = iter.next();
  			//System.out.println("name=" + pic.getName());
  			Element ele = DocumentHelper.createElement("Pic");
  			ele.addElement("row").addText(((Integer)row).toString());
  			ele.addElement("col").addText(((Integer)col).toString());
  			ele.addElement("name").addText(pic.getName());
  			pics.add(ele);
  			if (++col >= user.getFilterPagePicCount()) {
  				col = 0;
  				row++;
  			}
  		}
  		root.add(pics);
  		return document;
  	}
  
  }