/*
    * Copyright 2004 Jeff Johnston
    *
    * Licensed 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.extremecomponents.table.view;
  
  import java.util.Iterator;
  import java.util.List;
  
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  import org.extremecomponents.table.bean.Export;
  import org.extremecomponents.table.model.TableModel;
  import org.extremecomponents.table.model.TableModelUtils;
  import org.extremecomponents.table.model.ViewHandler;
  
  
  /***
   * @author jeff johnston
   */
  public class PdfView implements View
  {
  	private static Log logger = LogFactory.getLog(PdfView.class);
  	private StringBuffer xlsfo = new StringBuffer();
  	
  	public PdfView(){}
  	
  	public void beforeBody(TableModel model) 
  	{
  		xlsfo.append(startRoot());
  		xlsfo.append(regionBefore(model));
  		xlsfo.append(regionAfter());
  		xlsfo.append(columnDefinitions(model));
  		xlsfo.append(header(model));
  		xlsfo.append(" <fo:table-body> ");
  	}
  
  	public void body(TableModel model, String value, boolean isFirstColumn, boolean isLastColumn) 
  	{
  		if (isFirstColumn)
  		{
  			xlsfo.append(" <fo:table-row> ");
  		}
  		
  		xlsfo.append(" <fo:table-cell border=\"solid silver .5px\" display-align=\"center\" padding=\"3pt\"> ");
  		xlsfo.append(" <fo:block>" + value + "</fo:block> ");
  		xlsfo.append(" </fo:table-cell> ");
  
  		if (isLastColumn)
  		{
  			xlsfo.append(" </fo:table-row> ");
  		}
  	}
  	
  	public Object afterBody(TableModel model) 
  	{
  		xlsfo.append(" </fo:table-body> ");
  		xlsfo.append(endRoot());
  		return xlsfo.toString();
  	}
  
  	public String startRoot()
  	{
  		StringBuffer sb = new StringBuffer();
  
  		sb.append("<fo:root xmlns:fo=\"http://www.w3.org/1999/XSL/Format\">");
  
  		sb.append(" <fo:layout-master-set> ");
  		sb.append(" <fo:simple-page-master master-name=\"simple\" ");
  		sb.append(" page-height=\"8.5in\" ");
  		sb.append(" page-width=\"11in\" ");
  		sb.append(" margin-top=\".5in\" ");
  		sb.append(" margin-bottom=\".25in\" ");
  		sb.append(" margin-left=\".5in\" ");
  		sb.append(" margin-right=\".5in\"> ");
  		sb.append(" <fo:region-body margin-top=\".5in\" margin-bottom=\".25in\"/> ");
  		sb.append(" <fo:region-before extent=\".5in\"/> ");
  		sb.append(" <fo:region-after extent=\".25in\"/> ");
  		sb.append(" </fo:simple-page-master> ");
  		sb.append(" </fo:layout-master-set> ");
  
  		sb.append(" <fo:page-sequence master-reference=\"simple\" initial-page-number=\"1\"> ");
  
  		return sb.toString();
  	}
  
  	public String regionBefore(TableModel model)
  	{
 		StringBuffer sb = new StringBuffer();
 
 		Export export =  model.getExportHandler().getCurrentExport();
 		String headerBackgroundColor = export.getHeaderBackgroundColor();
 		
 		sb.append(" <fo:static-content flow-name=\"xsl-region-before\"> ");
 
 		//		sb.append(" <fo:block space-after.optimum=\"12pt\"> ");
 		//		
 		//		sb.append(" <fo:inline><fo:external-graphic src=\"url(http://localhost:8080/eXtremeTest/images/clear.gif)\"/></fo:inline> ");		
 		//
 		//		sb.append(" </fo:block> ");
 
 		sb.append(" <fo:block space-after.optimum=\"15pt\" color=\"" + headerBackgroundColor + "\" font-size=\"17pt\" font-family=\"'Arial'\">" + export.getTitle() + "</fo:block> ");
 
 		sb.append(" </fo:static-content> ");
 
 		return sb.toString();
 	}
 
 	public String regionAfter()
 	{
 		StringBuffer sb = new StringBuffer();
 
 		sb.append(" <fo:static-content flow-name=\"xsl-region-after\" display-align=\"after\"> ");
 
 		//		sb.append(" <fo:block font-size=\"10pt\" space-after.optimum=\"5pt\"> ");
 		//			
 		//		sb.append(" this is the text that goes here ");
 		//				
 		//		sb.append(" </fo:block> ");
 		sb.append(" <fo:block text-align=\"end\">Page <fo:page-number/></fo:block> ");
 
 		sb.append(" </fo:static-content> ");
 
 		return sb.toString();
 	}
 
 	public String columnDefinitions(TableModel model)
 	{
 		StringBuffer sb = new StringBuffer();
 
 		sb.append(" <fo:flow flow-name=\"xsl-region-body\"> ");
 
 		sb.append(" <fo:block> ");
 
 		sb.append(" <fo:table font-size=\"10pt\"> ");
 
 		double columnCount = model.getColumnMetaData().columnCount();
 
 		double colwidth = 10 / columnCount;
 
 		for (int i = 1; i <= columnCount; i++)
 		{
 			sb.append(" <fo:table-column column-number=\"" + i + "\" column-width=\"" + colwidth + "in\"/> ");
 		}
 
 		return sb.toString();
 	}
 
 	public String header(TableModel model)
 	{
 		StringBuffer sb = new StringBuffer();
 
 		Export export = model.getExportHandler().getCurrentExport();
 		String headerColor = export.getHeaderColor();
 		String headerBackgroundColor = export.getHeaderBackgroundColor();
 
 		sb.append(" <fo:table-header background-color=\"" + headerBackgroundColor + "\" color=\"" + headerColor + "\"> ");
 
 		sb.append(" <fo:table-row> ");
 		
 		List header = TableModelUtils.getHeader(model, ViewHandler.VALUE);
 
 		for (Iterator iter = header.iterator(); iter.hasNext();)
 		{
 			sb.append(" <fo:table-cell border=\"solid silver .5px\" text-align=\"center\" display-align=\"center\" padding=\"3pt\"> ");
 			sb.append(" <fo:block>" + (String) iter.next() + "</fo:block> ");
 			sb.append(" </fo:table-cell> ");
 		}
 
 		sb.append(" </fo:table-row> ");
 
 		sb.append(" </fo:table-header> ");
 
 		return sb.toString();
 	}
 
 	public String endRoot()
 	{
 		StringBuffer sb = new StringBuffer();
 
 		sb.append(" </fo:table> ");
 
 		sb.append(" </fo:block> ");
 
 		sb.append(" </fo:flow> ");
 
 		sb.append(" </fo:page-sequence> ");
 
 		sb.append(" </fo:root> ");
 
 		return sb.toString();
 	}
 }