git.sur5r.net Git - bacula/bacula/blob - gui/bacula-web/classes/graph/bgraph.inc.php

   1 <?php
   2
   3 class BGraph{
   4         private $title;
   5
   6         private $data;
   7         private $data_type;
   8         private $type;
   9
  10         private $colors;
  11         private $shading;
  12
  13         private $width;
  14         private $height;
  15         private $output_file;
  16         private $plot;
  17
  18         function __construct( $filename = "graph.png" )
  19         {
  20                 $this->output_file = 'templates_c/' . $filename;
  21         }
  22
  23         public function SetData( $data_in, $type, $data_type, $shading = 5 )
  24         {
  25                 $this->data             = $data_in;
  26                 $this->type             = $type;
  27                 $this->data_type        = $data_type;
  28                 $this->shadding         = $shading;
  29         }
  30
  31         public function SetGraphSize( $width, $height )
  32         {
  33                 $this->width  = $width;
  34                 $this->height = $height;
  35         }
  36
  37         public function SetTitle( $title )
  38         {
  39                 if( !empty($title) )
  40                         $this->title = $title;
  41                 else
  42                         die( "Please provide a non empty title for the graph" );
  43         }
  44
  45         public function SetColors( $colors )
  46         {
  47                 if( is_array( $colors ) )
  48                         $this->colors = $colors;
  49                 else
  50                         die( "Please provide a array in BGraph->SetColors()" );
  51         }
  52
  53         public function Get_Image_file()
  54         {
  55                 return $this->output_file;
  56         }
  57
  58         public function Render()
  59         {
  60                 // Setting the size
  61                 $this->plot = new PHPlot( $this->width, $this->height );
  62
  63                 // Render to file instead of screen
  64                 $this->plot->SetOutputFile( $this->output_file );
  65                 $this->plot->SetFileFormat("png");
  66                 $this->plot->SetIsInline( true );
  67
  68
  69                 $this->plot->SetImageBorderType('plain');
  70
  71                 // Data, type and data type
  72                 $this->plot->SetPlotType( $this->type );
  73                 $this->plot->SetDataType( $this->data_type );
  74                 $this->plot->SetDataValues( $this->data );
  75
  76                 // Plot colors
  77                 $this->plot->SetDataColors( $this->colors );
  78
  79                 // Plot shading
  80                 $this->plot->SetShading( $this->shading );
  81
  82                 // Image border
  83                 $this->plot->SetImageBorderType( 'none' );
  84
  85                 // Plot area (calculated regarding the width and height of the graph)
  86                 if( $this->type == 'pie' )
  87                         $this->plot->SetPlotAreaPixels( 10, 10, ($this->width / 2), $this->height-10 );
  88
  89                 // Legend position (calculated regarding the width and height of the graph)
  90                 $this->plot->SetLegendPixels( ($this->width / 2) + 10, 25 );
  91
  92                 // Labels scale position
  93                 if( $this->type == 'pie' )
  94                         $this->plot->SetLabelScalePosition( 0.2 );
  95
  96                 // Graph title
  97                 $this->plot->SetTitle( $this->title );
  98
  99                 // Setting up legends
 100                 if( $this->type != 'bars' ) {
 101                         $legends = array();
 102                         foreach( $this->data as $key => $legend ) {
 103                                 $this->plot->SetLegend( implode(': ',$legend) );
 104                         }
 105                 }
 106
 107                 # Turn off X tick labels and ticks because they don't apply here:
 108                 $this->plot->SetXTickLabelPos('none');
 109                 $this->plot->SetXTickPos('none');
 110                 $this->plot->SetPlotAreaWorld(NULL, 0, NULL, NULL);
 111
 112
 113                 $this->plot->DrawGraph();
 114         } // end function Render()
 115 } // end BGraph classe
 116
 117 ?>