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added first pChart charts.

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This commit is contained in:
Martynas Mickevicius
2010-06-17 16:01:09 +03:00
parent fc21678fa4
commit f1b5ab52ef
6 changed files with 3961 additions and 0 deletions
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libraries/chart/pChart/fonts/tahoma.ttf Normal file
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libraries/chart/pChart/pCache.class Normal file
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<?php
/*
pCache - Faster renderding using data cache
Copyright (C) 2008 Jean-Damien POGOLOTTI
Version 1.1.2 last updated on 06/17/08
http://pchart.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 1,2,3 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, see <http://www.gnu.org/licenses/>.
Class initialisation :
pCache($CacheFolder="Cache/")
Cache management :
IsInCache($Data)
GetFromCache($ID,$Data)
WriteToCache($ID,$Data,$Picture)
DeleteFromCache($ID,$Data)
ClearCache()
Inner functions :
GetHash($ID,$Data)
*/
/* pCache class definition */
class pCache
{
var $HashKey = "";
var $CacheFolder = "Cache/";
/* Create the pCache object */
function pCache($CacheFolder="Cache/")
{
$this->CacheFolder = $CacheFolder;
}
/* This function is clearing the cache folder */
function ClearCache()
{
if ($handle = opendir($this->CacheFolder))
{
while (false !== ($file = readdir($handle)))
{
if ( $file != "." && $file != ".." )
unlink($this->CacheFolder.$file);
}
closedir($handle);
}
}
/* This function is checking if we have an offline version of this chart */
function IsInCache($ID,$Data,$Hash="")
{
if ( $Hash == "" )
$Hash = $this->GetHash($ID,$Data);
if ( file_exists($this->CacheFolder.$Hash) )
return(TRUE);
else
return(FALSE);
}
/* This function is making a copy of drawn chart in the cache folder */
function WriteToCache($ID,$Data,$Picture)
{
$Hash = $this->GetHash($ID,$Data);
$FileName = $this->CacheFolder.$Hash;
imagepng($Picture->Picture,$FileName);
}
/* This function is removing any cached copy of this chart */
function DeleteFromCache($ID,$Data)
{
$Hash = $this->GetHash($ID,$Data);
$FileName = $this->CacheFolder.$Hash;
if ( file_exists($FileName ) )
unlink($FileName);
}
/* This function is retrieving the cached picture if applicable */
function GetFromCache($ID,$Data)
{
$Hash = $this->GetHash($ID,$Data);
if ( $this->IsInCache("","",$Hash ) )
{
$FileName = $this->CacheFolder.$Hash;
header('Content-type: image/png');
@readfile($FileName);
exit();
}
}
/* This function is building the graph unique hash key */
function GetHash($ID,$Data)
{
$mKey = "$ID";
foreach($Data as $key => $Values)
{
$tKey = "";
foreach($Values as $Serie => $Value)
$tKey = $tKey.$Serie.$Value;
$mKey = $mKey.md5($tKey);
}
return(md5($mKey));
}
}
?>

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libraries/chart/pChart/pChart.class Normal file
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libraries/chart/pChart/pData.class Normal file
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<?php
/*
pData - Simplifying data population for pChart
Copyright (C) 2008 Jean-Damien POGOLOTTI
Version 1.13 last updated on 08/17/08
http://pchart.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 1,2,3 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, see <http://www.gnu.org/licenses/>.
Class initialisation :
pData()
Data populating methods :
ImportFromCSV($FileName,$Delimiter=",",$DataColumns=-1,$HasHeader=FALSE,$DataName=-1)
AddPoint($Value,$Serie="Serie1",$Description="")
Series manipulation methods :
AddSerie($SerieName="Serie1")
AddAllSeries()
RemoveSerie($SerieName="Serie1")
SetAbsciseLabelSerie($SerieName = "Name")
SetSerieName($Name,$SerieName="Serie1")
+ SetSerieSymbol($Name,$Symbol)
SetXAxisName($Name="X Axis")
SetYAxisName($Name="Y Axis")
SetXAxisFormat($Format="number")
SetYAxisFormat($Format="number")
SetXAxisUnit($Unit="")
SetYAxisUnit($Unit="")
removeSerieName($SerieName)
removeAllSeries()
Data retrieval methods :
GetData()
GetDataDescription()
*/
/* pData class definition */
class pData
{
var $Data;
var $DataDescription;
function pData()
{
$this->Data = "";
$this->DataDescription = "";
$this->DataDescription["Position"] = "Name";
$this->DataDescription["Format"]["X"] = "number";
$this->DataDescription["Format"]["Y"] = "number";
$this->DataDescription["Unit"]["X"] = NULL;
$this->DataDescription["Unit"]["Y"] = NULL;
}
function ImportFromCSV($FileName,$Delimiter=",",$DataColumns=-1,$HasHeader=FALSE,$DataName=-1)
{
$handle = @fopen($FileName,"r");
if ($handle)
{
$HeaderParsed = FALSE;
while (!feof($handle))
{
$buffer = fgets($handle, 4096);
$buffer = str_replace(chr(10),"",$buffer);
$buffer = str_replace(chr(13),"",$buffer);
$Values = split($Delimiter,$buffer);
if ( $buffer != "" )
{
if ( $HasHeader == TRUE && $HeaderParsed == FALSE )
{
if ( $DataColumns == -1 )
{
$ID = 1;
foreach($Values as $key => $Value)
{ $this->SetSerieName($Value,"Serie".$ID); $ID++; }
}
else
{
$SerieName = "";
foreach($DataColumns as $key => $Value)
$this->SetSerieName($Values[$Value],"Serie".$Value);
}
$HeaderParsed = TRUE;
}
else
{
if ( $DataColumns == -1 )
{
$ID = 1;
foreach($Values as $key => $Value)
{ $this->AddPoint(intval($Value),"Serie".$ID); $ID++; }
}
else
{
$SerieName = "";
if ( $DataName != -1 )
$SerieName = $Values[$DataName];
foreach($DataColumns as $key => $Value)
$this->AddPoint($Values[$Value],"Serie".$Value,$SerieName);
}
}
}
}
fclose($handle);
}
}
function AddPoint($Value,$Serie="Serie1",$Description="")
{
if (is_array($Value) && count($Value) == 1)
$Value = $Value[0];
$ID = 0;
for($i=0;$i<=count($this->Data);$i++)
{ if(isset($this->Data[$i][$Serie])) { $ID = $i+1; } }
if ( count($Value) == 1 )
{
$this->Data[$ID][$Serie] = $Value;
if ( $Description != "" )
$this->Data[$ID]["Name"] = $Description;
elseif (!isset($this->Data[$ID]["Name"]))
$this->Data[$ID]["Name"] = $ID;
}
else
{
foreach($Value as $key => $Val)
{
$this->Data[$ID][$Serie] = $Val;
if (!isset($this->Data[$ID]["Name"]))
$this->Data[$ID]["Name"] = $ID;
$ID++;
}
}
}
function AddSerie($SerieName="Serie1")
{
if ( !isset($this->DataDescription["Values"]) )
{
$this->DataDescription["Values"][] = $SerieName;
}
else
{
$Found = FALSE;
foreach($this->DataDescription["Values"] as $key => $Value )
if ( $Value == $SerieName ) { $Found = TRUE; }
if ( !$Found )
$this->DataDescription["Values"][] = $SerieName;
}
}
function AddAllSeries()
{
unset($this->DataDescription["Values"]);
if ( isset($this->Data[0]) )
{
foreach($this->Data[0] as $Key => $Value)
{
if ( $Key != "Name" )
$this->DataDescription["Values"][] = $Key;
}
}
}
function RemoveSerie($SerieName="Serie1")
{
if ( !isset($this->DataDescription["Values"]) )
return(0);
$Found = FALSE;
foreach($this->DataDescription["Values"] as $key => $Value )
{
if ( $Value == $SerieName )
unset($this->DataDescription["Values"][$key]);
}
}
function SetAbsciseLabelSerie($SerieName = "Name")
{
$this->DataDescription["Position"] = $SerieName;
}
function SetSerieName($Name,$SerieName="Serie1")
{
$this->DataDescription["Description"][$SerieName] = $Name;
}
function SetXAxisName($Name="X Axis")
{
$this->DataDescription["Axis"]["X"] = $Name;
}
function SetYAxisName($Name="Y Axis")
{
$this->DataDescription["Axis"]["Y"] = $Name;
}
function SetXAxisFormat($Format="number")
{
$this->DataDescription["Format"]["X"] = $Format;
}
function SetYAxisFormat($Format="number")
{
$this->DataDescription["Format"]["Y"] = $Format;
}
function SetXAxisUnit($Unit="")
{
$this->DataDescription["Unit"]["X"] = $Unit;
}
function SetYAxisUnit($Unit="")
{
$this->DataDescription["Unit"]["Y"] = $Unit;
}
function SetSerieSymbol($Name,$Symbol)
{
$this->DataDescription["Symbol"][$Name] = $Symbol;
}
function removeSerieName($SerieName)
{
if ( isset($this->DataDescription["Description"][$SerieName]) )
unset($this->DataDescription["Description"][$SerieName]);
}
function removeAllSeries()
{
foreach($this->DataDescription["Values"] as $Key => $Value)
unset($this->DataDescription["Values"][$Key]);
}
function GetData()
{
return($this->Data);
}
function GetDataDescription()
{
return($this->DataDescription);
}
}
?>

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libraries/chart/pma_pchart_chart.php Normal file
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<?php
require_once 'pma_chart.php';
/*
* Base class for every chart implemented using pChart.
*/
class PMA_pChart_Chart extends PMA_Chart
{
protected $imageEncoded;
protected $fontPath = './libraries/chart/pChart/fonts/';
function __construct($options = null)
{
parent::__construct($options);
}
function toString()
{
return '<img id="pChartPicture1" src="data:image/png;base64,'.$this->imageEncoded.'" />';
}
}
?>

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libraries/chart/pma_pchart_pie.php Normal file
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<?php
require_once 'pma_pchart_chart.php';
class PMA_pChart_Pie extends PMA_pChart_Chart
{
private $border1Width = 7;
private $border2Width = 5;
function __construct($titleText, $data, $options = null)
{
parent::__construct($options);
require_once './libraries/chart/pChart/pData.class';
require_once './libraries/chart/pChart/pChart.class';
// Dataset definition
$DataSet = new pData;
$DataSet->AddPoint(array_values($data),"Serie1");
$DataSet->AddPoint(array_keys($data),"Serie2");
$DataSet->AddAllSeries();
$DataSet->SetAbsciseLabelSerie("Serie2");
// Initialise the graph
$Test = new pChart($this->width, $this->height);
foreach ($this->colors as $key => $color) {
$Test->setColorPalette(
$key,
hexdec(substr($color, 1, 2)),
hexdec(substr($color, 3, 2)),
hexdec(substr($color, 5, 2))
);
}
$Test->setFontProperties($this->fontPath.'tahoma.ttf', 8);
$Test->drawFilledRoundedRectangle(
$this->border1Width,
$this->border1Width,
$this->width - $this->border1Width,
$this->height - $this->border1Width,
5,240,240,240);
$Test->drawRoundedRectangle(
$this->border1Width,
$this->border1Width,
$this->width - $this->border1Width,
$this->height - $this->border1Width,
5,230,230,230);
// Draw the pie chart
$Test->AntialiasQuality = 0;
$Test->setShadowProperties(2,2,200,200,200);
//$Test->drawFlatPieGraphWithShadow($DataSet->GetData(),$DataSet->GetDataDescription(),180,160,120,PIE_PERCENTAGE,8);
//$Test->drawBasicPieGraph($DataSet->GetData(),$DataSet->GetDataDescription(),180,160,120,PIE_PERCENTAGE,255,255,218,2);
$Test->drawPieGraph($DataSet->GetData(),$DataSet->GetDataDescription(),180,160,120,PIE_PERCENTAGE,FALSE,60,30,10,1);
$Test->clearShadow();
$Test->drawTitle(10,20,$titleText,0,0,0);
$Test->drawPieLegend(340,15,$DataSet->GetData(),$DataSet->GetDataDescription(),250,250,250);
ob_start();
imagepng($Test->Picture);
$output = ob_get_contents();
ob_end_clean();
$this->imageEncoded = base64_encode($output);
}
}
?>