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   1  <?php
   2  /* Copyright (c) 2003      Rodolphe Quiedeville <rodolphe@quiedeville.org>
   3   * Copyright (c) 2004-2005 Laurent Destailleur  <eldy@users.sourceforge.net>
   4   * 
   5   * This program is free software; you can redistribute it and/or modify
   6   * it under the terms of the GNU General Public License as published by
   7   * the Free Software Foundation; either version 2 of the License, or
   8   * (at your option) any later version.
   9   *
  10   * This program is distributed in the hope that it will be useful,
  11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13   * GNU General Public License for more details.
  14   *
  15   * You should have received a copy of the GNU General Public License
  16   * along with this program; if not, write to the Free Software
  17   * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18   *
  19   * $Id: graph.class.php,v 1.15 2005/09/02 21:39:10 eldy Exp $
  20   * $Source: /cvsroot/dolibarr/dolibarr/htdocs/graph.class.php,v $
  21   */
  22  
  23  /**
  24          \file       htdocs/graph.class.php
  25          \brief      Fichier de la classe mère de gestion des graph phplot
  26          \version    $Revision: 1.15 $
  27  */
  28  
  29  include_once (DOL_DOCUMENT_ROOT."/includes/phplot/phplot.php");
  30  
  31  
  32  /**
  33          \class      Graph
  34          \brief      Classe mère permettant la gestion des graph phplot
  35  */
  36  
  37  class Graph
  38  {
  39      var $db;
  40      var $errorstr;
  41  
  42      var $graph;     // Objet PHPlot
  43      
  44      
  45      /**
  46       *    \brief      Génère le fichier graphique sur le disque
  47       *    \param      file    Nom du fichier image
  48       */
  49      function draw($file)
  50      {
  51          // Prepare parametres
  52          $this->prepare($file);
  53  
  54          // Génère le fichier $file
  55          $this->graph->DrawGraph();
  56      }
  57      
  58      /**
  59       *    \brief      Prépare l'objet PHPlot
  60       *    \param      file    Nom du fichier image à générer
  61       */
  62      function prepare($file)
  63      {
  64          // Define the object
  65          $this->graph = new PHPlot($this->width, $this->height);
  66          $this->graph->SetIsInline(1);
  67      
  68          $this->graph->SetPlotType( $this->PlotType );
  69      
  70          //Set some data
  71          $this->graph->SetDataValues($this->data);
  72  
  73          if (isset($this->MaxValue))
  74          {
  75              $nts = array();
  76              $this->MaxValue = $this->MaxValue + 1;
  77              $max = $this->MaxValue;
  78              if (($max % 2) <> 0)
  79              {
  80                  $this->MaxValue = $this->MaxValue + 1;
  81                  $max++;
  82              }
  83      
  84              $this->graph->SetPlotAreaWorld(0,0,12,$this->MaxValue);
  85      
  86              $j = 0;
  87              for ($i = 1 ; $i < 11 ; $i++)
  88              {
  89                  $res = $max % $i;
  90                  $cal = $max / $i;
  91      
  92                  if ($res == 0 && $cal <= 11)
  93                  {
  94                      $nts[$j] = $cal;
  95                      $j++;
  96                  }
  97      
  98              }
  99              rsort($nts);
 100      
 101              $this->graph->SetNumVertTicks($nts[0]);
 102          }
 103          else
 104          {
 105              $this->graph->SetPlotAreaPixels(60, 10, $this->width-10, $this->height - 30) ;
 106          }
 107      
 108          $this->graph->SetBackgroundColor($this->bgcolor);
 109          $this->graph->SetDataColors($this->datacolor, $this->bordercolor);
 110      
 111          // Define title
 112          if (strlen($this->title)) $this->graph->SetTitle($this->title);
 113      
 114          // TODO
 115          //$this->graph->SetPrecisionY($this->precision_Y);
 116          //    $this->graph->SetVertTickIncrement(0);
 117          //    $this->graph->SetSkipBottomTick(1);
 118  
 119          $this->graph->SetVertTickPosition('plotleft');
 120     
 121          $this->graph->SetYGridLabelType("data");
 122      
 123          $this->graph->SetDrawYGrid(1);
 124      
 125          // Affiche les valeurs
 126          //$this->graph->SetDrawDataLabels('1');
 127          //$this->graph->SetLabelScalePosition('1');
 128  
 129          $this->graph->SetOutputFile($file);
 130      
 131          // Défini position du graphe (et legende) au sein de l'image
 132          if (isset($this->Legend))
 133          {
 134              $this->graph->SetMarginsPixels(100,100,10,30);
 135  
 136              $this->graph->SetLegend($this->Legend);
 137              $this->graph->SetLegendWorld(13,$this->MaxValue);
 138          }
 139          else
 140          {
 141              $this->graph->SetMarginsPixels(100,10,10,30);
 142          }
 143              
 144          if (substr($this->MaxValue,0,1) == 1)
 145          {
 146              $this->graph->SetNumVertTicks(10);
 147          }
 148          elseif (substr($this->MaxValue,0,1) == 2)
 149          {
 150              $this->graph->SetNumVertTicks(4);
 151          }
 152          elseif (substr($this->MaxValue,0,1) == 3)
 153          {
 154              $this->graph->SetNumVertTicks(6);
 155          }
 156          elseif (substr($this->MaxValue,0,1) == 4)
 157          {
 158              $this->graph->SetNumVertTicks(8);
 159          }
 160          else
 161          {
 162              $this->graph->SetNumVertTicks(substr($this->MaxValue,0,1));
 163          }
 164      
 165      }
 166  
 167    function SetPrecisionY($which_prec)
 168    {
 169      $this->precision_y = $which_prec;
 170      return true;
 171    }
 172  
 173    function SetYLabel($label)
 174    {
 175      $this->YLabel = $label;
 176    }
 177  
 178    function SetWidth($w)
 179    {
 180      $this->width = $w;
 181    }
 182  
 183    function SetTitle($title)
 184    {
 185      $this->title = $title;
 186    }
 187  
 188    function SetData($data)
 189    {
 190      $this->data = $data;
 191    }
 192  
 193    function SetLegend($legend)
 194    {
 195      $this->Legend = $legend;
 196    }
 197  
 198    function SetMaxValue($max)
 199    {
 200      $this->MaxValue = $max;
 201    }
 202  
 203    function SetHeight($h)
 204    {
 205      $this->height = $h;
 206    }
 207  
 208    function ResetBgColor()
 209    {
 210      unset($this->bgcolor);
 211    }
 212    
 213    function SetBgColor($bg_color = array(255,255,255))
 214    {
 215      $this->bgcolor = $bg_color;
 216    }
 217  
 218    function ResetDataColor()
 219    {
 220      unset($this->datacolor);
 221    }
 222  
 223    function GetMaxValue()
 224    {
 225      $k = 0;
 226      $vals = array();
 227  
 228      $nblines = sizeof($this->data);
 229      $nbvalues = sizeof($this->data[0]) - 1;
 230  
 231      for ($j = 0 ; $j < $nblines ; $j++)
 232        {
 233      for ($i = 0 ; $i < $nbvalues ; $i++)
 234        {
 235          $vals[$k] = $this->data[$j][$i+1];
 236          $k++;
 237        }
 238        }
 239      rsort($vals);
 240      return $vals[0];
 241    }
 242  
 243    function GetAmountMaxValue()
 244    {
 245  
 246      $max = ceil($this->GetMaxValue());
 247      $size = strlen("$max");
 248      if (substr($max,0,1) == 9)
 249        {
 250      $res = 1;
 251        }
 252      else
 253        {
 254      $size = $size - 1;
 255      $res = substr($max,0,1) + 1;
 256        }
 257  
 258      for ($i = 0 ; $i < $size ; $i++)
 259        {
 260      $res .= "0";
 261        }
 262  
 263      return ($res - 2);
 264    }
 265  
 266  }
 267  
 268  ?>