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dolibarr/htdocs/dolgraph.class.php

465 lines
10 KiB
PHP

<?php
/* Copyright (c) 2003 Rodolphe Quiedeville <rodolphe@quiedeville.org>
* Copyright (c) 2004-2006 Laurent Destailleur <eldy@users.sourceforge.net>
*
* This program 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.
*
* This program 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
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Id$
* $Source$
*/
/**
\file htdocs/dolgraph.class.php
\brief Fichier de la classe mère de gestion des graph phplot
\version $Revision$
\remarks Usage:
$graph_data = array(array('labelA',yA),array('labelB',yB));
array(array('labelA',yA1,...,yAn),array('labelB',yB1,...yBn));
$px = new DolGraph();
$px->SetData($graph_data);
$px->SetMaxValue($px->GetCeilMaxValue());
$px->SetMinValue($px->GetFloorMinValue());
$px->SetTitle("title");
$px->SetLegend(array("Val1","Val2"));
$px->SetWidth(width);
$px->SetHeight(height);
$px->draw("file.png");
*/
/**
\class Graph
\brief Classe mère permettant la gestion des graph
*/
class DolGraph
{
var $type='bars'; // Type de graph
var $data; // Tableau de donnees
var $width=380;
var $height=200;
var $MaxValue=0;
var $MinValue=0;
var $SetShading=0;
var $PrecisionY=-1;
var $SetHorizTickIncrement=-1;
var $SetNumXTicks=-1;
var $graph; // Objet PHPlot
var $error;
function DolGraph()
{
global $conf;
global $theme_bordercolor, $theme_datacolor, $theme_bgcolor, $theme_bgcoloronglet;
// Test si module GD présent
$modules_list = get_loaded_extensions();
$isgdinstalled=0;
foreach ($modules_list as $module)
{
if ($module == 'gd') { $isgdinstalled=1; }
}
if (! $isgdinstalled) {
$this->error="Erreur: Le module GD pour php ne semble pas disponible. Il est requis pour générer les graphiques.";
return -1;
}
// Vérifie que chemin vers PHPLOT_PATH est connu et definie $graphpath
$graphpathdir=DOL_DOCUMENT_ROOT."/includes/phplot";
if (defined('PHPLOT_PATH')) $graphpathdir=PHPLOT_PATH;
if ($conf->global->PHPLOT_PATH) $graphpathdir=$conf->global->PHPLOT_PATH;
if (! eregi('[\\\/]$',$graphpathdir)) $graphpathdir.='/';
include_once($graphpathdir.'phplot.php');
// Défini propriétés de l'objet graphe
$this->bordercolor = array(235,235,224);
$this->datacolor = array(array(120,130,150), array(160,160,180), array(190,190,220));
$this->bgcolor = array(235,235,224);
$color_file = DOL_DOCUMENT_ROOT."/theme/".$conf->theme."/graph-color.php";
if (is_readable($color_file))
{
include_once($color_file);
if (isset($theme_bordercolor)) $this->bordercolor = $theme_bordercolor;
if (isset($theme_datacolor)) $this->datacolor = $theme_datacolor;
if (isset($theme_bgcolor)) $this->bgcolor = $theme_bgcolor;
}
//print 'bgcolor: '.join(',',$this->bgcolor).'<br>';
return 1;
}
function isGraphKo()
{
return $this->error;
}
/**
* \brief Génère le fichier graphique sur le disque
* \param file Nom du fichier image
*/
function draw($file)
{
// Prepare parametres
$this->prepare($file);
// Génère le fichier $file
$this->graph->DrawGraph();
}
/**
* \brief Prépare l'objet PHPlot
* \param file Nom du fichier image à générer
*/
function prepare($file)
{
// Define the object
$this->graph = new PHPlot($this->width, $this->height);
$phplotversion=4;
if (defined('TOTY')) $phplotversion=5;
$this->graph->SetIsInline(1);
$this->graph->SetPlotType($this->type);
$this->graph->SetDataValues($this->data);
// Precision axe y (pas de decimal si 3 chiffres ou plus)
if ($this->PrecisionY > -1)
{
$this->graph->SetPrecisionY($this->PrecisionY);
if ($this->PrecisionY == 0) // Si precision de 0
{
// Determine un nombre de ticks qui permet decoupage qui tombe juste
$maxval=$this->getMaxValue();
$minval=$this->getMinValue();
if ($maxval * $minval >= 0) // Si du meme signe
{
$plage=$maxval;
}
else
{
$plage=$maxval-$minval;
}
if (abs($plage) <= 2)
{
$this->SetMaxValue(2);
$maxticks=2;
}
else
{
$maxticks=10;
if (substr($plage,0,1) == 3 || substr($plage,0,1) == 6)
{
$maxticks=min(6,$plage);
}
elseif (substr($plage,0,1) == 4 || substr($plage,0,1) == 8)
{
$maxticks=min(8,$plage);
}
elseif (substr($plage,0,1) == 7)
{
$maxticks=min(7,$plage);
}
elseif (substr($plage,0,1) == 9)
{
$maxticks=min(9,$plage);
}
}
$this->graph->SetNumVertTicks($maxticks);
// print 'minval='.$minval.' - maxval='.$maxval.' - plage='.$plage.' - maxticks='.$maxticks.'<br>';
}
}
else
{
$this->graph->SetPrecisionY(3-strlen(round($this->GetMaxValueInData())));
}
$this->graph->SetPrecisionX(0);
// Set areas
$top_space=40;
if ($phplotversion >= 5) $top_space=25;
$left_space=80; // For y labels
$right_space=10; // If no legend
if (isset($this->Legend)) $right_space=70; // For legend
$this->graph->SetNewPlotAreaPixels($left_space, $top_space, $this->width-$right_space, $this->height-40);
if (isset($this->MaxValue))
{
$this->graph->SetPlotAreaWorld(0,$this->MinValue,sizeof($this->data),$this->MaxValue);
}
// Define title
if (isset($this->title)) $this->graph->SetTitle($this->title);
// Défini position du graphe (et legende) au sein de l'image
if (isset($this->Legend))
{
$this->graph->SetLegendPixels($this->width-$right_space+8,40,'');
$this->graph->SetLegend($this->Legend);
}
if (isset($this->SetShading))
{
$this->graph->SetShading($this->SetShading);
}
$this->graph->SetTickLength(6);
$this->graph->SetBackgroundColor($this->bgcolor);
$this->graph->SetDataColors($this->datacolor, $this->bordercolor);
if ($this->SetNumXTicks > -1)
{
if ($phplotversion >= 5) // If PHPlot 5, for compatibility
{
$this->graph->SetXLabelType('');
$this->graph->SetNumXTicks($this->SetNumXTicks);
}
else
{
$this->graph->SetNumHorizTicks($this->SetNumXTicks);
}
}
if ($this->SetHorizTickIncrement > -1)
{
// Les ticks sont en mode forcé
$this->graph->SetHorizTickIncrement($this->SetHorizTickIncrement);
if ($phplotversion >= 5) // If PHPlot 5, for compatibility
{
$this->graph->SetXLabelType('');
$this->graph->SetXTickLabelPos('none');
}
}
else
{
// Les ticks sont en mode automatique
if ($phplotversion >= 5) // If PHPlot 5, for compatibility
{
$this->graph->SetXDataLabelPos('none');
}
}
if ($phplotversion >= 5)
{
// Ne gere pas la transparence
// $this->graph->SetBgImage(DOL_DOCUMENT_ROOT.'/theme/dolibarr_logo_2.png','tile');
$this->graph->SetDrawPlotAreaBackground(array(255,255,255));
}
$this->graph->SetPlotBorderType("left"); // Affiche axe y a gauche uniquement
$this->graph->SetVertTickPosition('plotleft'); // Affiche tick axe y a gauche uniquement
$this->graph->SetOutputFile($file);
}
function SetPrecisionY($which_prec)
{
$this->PrecisionY = $which_prec;
return true;
}
/*
\remarks Utiliser SetNumTicks ou SetHorizTickIncrement mais pas les 2
*/
function SetHorizTickIncrement($xi)
{
$this->SetHorizTickIncrement = $xi;
return true;
}
/*
\remarks Utiliser SetNumTicks ou SetHorizTickIncrement mais pas les 2
*/
function SetNumXTicks($xt)
{
$this->SetNumXTicks = $xt;
return true;
}
function SetYLabel($label)
{
$this->YLabel = $label;
}
function SetWidth($w)
{
$this->width = $w;
}
function SetTitle($title)
{
$this->title = $title;
}
function SetData($data)
{
$this->data = $data;
}
function SetType($type)
{
$this->type = $type;
}
function SetLegend($legend)
{
$this->Legend = $legend;
}
function SetMaxValue($max)
{
$this->MaxValue = $max;
}
function GetMaxValue()
{
return $this->MaxValue;
}
function SetMinValue($min)
{
$this->MinValue = $min;
}
function GetMinValue()
{
return $this->MinValue;
}
function SetHeight($h)
{
$this->height = $h;
}
function SetShading($s)
{
$this->SetShading = $s;
}
function ResetBgColor()
{
unset($this->bgcolor);
}
/**
* \brief Definie la couleur de fond du graphique
* \param bg_color array(R,G,B) ou 'onglet' ou 'default'
*/
function SetBgColor($bg_color = array(255,255,255))
{
global $theme_bgcolor,$theme_bgcoloronglet;
if (! is_array($bg_color))
{
if ($bg_color == 'onglet')
{
//print 'ee'.join(',',$theme_bgcoloronglet);
$this->bgcolor = $theme_bgcoloronglet;
}
else
{
$this->bgcolor = $theme_bgcolor;
}
}
else
{
$this->bgcolor = $bg_color;
}
}
function ResetDataColor()
{
unset($this->datacolor);
}
function GetMaxValueInData()
{
$k = 0;
$vals = array();
$nblines = sizeof($this->data);
$nbvalues = sizeof($this->data[0]) - 1;
for ($j = 0 ; $j < $nblines ; $j++)
{
for ($i = 0 ; $i < $nbvalues ; $i++)
{
$vals[$k] = $this->data[$j][$i+1];
$k++;
}
}
rsort($vals);
return $vals[0];
}
function GetMinValueInData()
{
$k = 0;
$vals = array();
$nblines = sizeof($this->data);
$nbvalues = sizeof($this->data[0]) - 1;
for ($j = 0 ; $j < $nblines ; $j++)
{
for ($i = 0 ; $i < $nbvalues ; $i++)
{
$vals[$k] = $this->data[$j][$i+1];
$k++;
}
}
sort($vals);
return $vals[0];
}
function GetCeilMaxValue()
{
$max = $this->GetMaxValueInData();
if ($max != 0) $max++;
$size=strlen(abs(ceil($max)));
$factor=1;
for ($i=0; $i < ($size-1); $i++)
{
$factor*=10;
}
$res=ceil($max/$factor)*$factor;
//print "max=".$max." res=".$res;
return $res;
}
function GetFloorMinValue()
{
$min = $this->GetMinValueInData();
if ($min != 0) $min--;
$size=strlen(abs(floor($min)));
$factor=1;
for ($i=0; $i < ($size-1); $i++)
{
$factor*=10;
}
$res=floor($min/$factor)*$factor;
//print "min=".$min." res=".$res;
return $res;
}
}
?>