<?php /* vim: set binary expandtab tabstop=4 shiftwidth=4 textwidth=80:
-------------------------------------------------------------------------------
                             Ministerio de Economía
                                    meconlib
-------------------------------------------------------------------------------
This file is part of meconlib.

meconlib is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your option)
any later version.

meconlib 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 General Public License for more details.
 
You should have received a copy of the GNU General Public License; if not,
write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
Boston, MA  02111-1307  USA
-------------------------------------------------------------------------------
Creado: Fri Oct 24 16:34:11 2003
Autor:  Martin Marrese <mmarre@mecon.gov.ar>
-------------------------------------------------------------------------------
$Id$
-----------------------------------------------------------------------------*/

require_once 'MECON/PDF/Marco.php';

/**
 * Libreria que permite agregar una tabla a un pdf.
 */
class MECON_PDF_Tabla extends MECON_PDF_Marco {

    /**
     * Funcion que envia el archivo a pantalla (para que el usuario haga un
     * download)
     *
     * @return string
     * @access public
     */
    function display() {
        if ($this->getRowCount()) {
            $this->_agregarContenido();
        }
        else {
            $this->_pdf->newPage($this->_tamanio);
            $this->_pdf->addText($this->_config['Xi'], 
                    $this->_config['contenido']['Y'], 
                    'No hay contenido para mostrar.', 
                    $this->_config['contenido']);
            $this->buildPage();
        }
        $this->_pdf->display();
    }

    /**
     * Funcion que devuelve el estilo de la celda segun la configuracion.  
     *
     * @param int $row Indicador de la fila
     * @param int $col Indicador de la columna
     *
     * @return array
     * @access protected
     */
    function _obtenerEstiloCelda($row, $col) {
        $clase = $this->getCellAttributes($row, $col);
        switch ($clase['class']) {
            case 'mecon_html_tabla_comun_cabecera':
                $estilo = $this->_config['celda_cabecera'];
                break;
            case 'mecon_html_tabla_comun_titulo':
                $estilo = $this->_config['celda_titulo'];
                break;
            default : 
                $estilo = $this->_config['celda_comun'];
                break;
        }
        return $estilo;
    }

    /**
     * Funcion que agrega las filas y columnas a la pagina.                  
     *
     * @return void
     * @access protected
     */
    function _agregarContenido() {
        //Calculo el ancho de la columnas basandome en el ancho que tienen las
        //mismas en la primer fila {{{
        $ancho_pagina = abs($this->_config['Xf'] - 
                $this->_config['Xi']) ;
        for ($i=0; $i<$this->getColCount(); $i++ ) {
            $tmp = $this->getCellAttributes(0,$i);
            if (is_null(@$tmp['width'])) {
                die ('Todas las columnas deben tener asignado un ancho.');                
            }
            $attr[$i] = intval($tmp['width']);
        }
        $tmp = array_sum($attr);
        $attr2[0] = $this->_config['Xi'];
        for ($i=1; $i<count($attr); $i++) {
            $attr2[$i] = intval(($ancho_pagina * $attr[$i-1] / $tmp) +
                    $attr2[$i-1]);
        }
        $attr2[$i] = $this->_config['Xf'];
        ///}}}
        
        $this->_pdf->newPage($this->_tamanio);       
        
        $alto = $this->_getAvailableSpace($this->_pdf->numPage());
        
        for ($i = 0; $i < $this->getRowCount(); $i++) {
            $max = 0;
            for ($j = 0; $j < $this->getColCount(); $j++) {
                $estilo = $this->_obtenerEstiloCelda($i, $j);
                $txt = $this->_pdf->wordWrap($this->getCellContents($i,$j),
                        $attr2[$j+1] - $attr2[$j], $estilo);
                $max = max($estilo['alto_linea'] * count($txt), $max);
                
            }
            $alto -= $max;
            
            if ($alto < $this->_config['Yi']) {
                $this->_pdf->newPage($this->_tamanio);
                $alto = $this->_getAvailableSpace($this->_pdf->numPage());
            }
            for ($j = 0; $j < $this->getColCount(); $j++) {
                $estilo = $this->_obtenerEstiloCelda($i, $j);
                
                $this->_pdf->addRectangle($alto, $attr2[$j],
                        $alto+$max,
                        $attr2[$j+1], @$estilo['fill']);
                
                $txt = $this->_pdf->wordWrap($this->getCellContents($i,$j),
                        $attr2[$j+1] - $attr2[$j], $estilo);
                $alto1 = $alto + $max;
                foreach ($txt as $t) {
                    $alto1 -= $estilo['alto_linea'];
                    $this->_pdf->addText($attr2[$j] + 1, $alto1 + 1,
                            $t, $estilo);
                }
            }
        }
        $t = true;
        foreach ($this->_pdf->getPages() as $page) {
            $this->_pdf->_pagina_actual = $page;
            $this->buildPage($t, $t);
            $t = false;
        }
    }

}
?>