Reupload after bitbucket wipe
This commit is contained in:
Chris Lynch
119
web/includes/pChart/pCache.class
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119
web/includes/pChart/pCache.class
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<?php
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/*
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pCache - Faster renderding using data cache
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Copyright (C) 2008 Jean-Damien POGOLOTTI
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Version 1.1.2 last updated on 06/17/08
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http://pchart.sourceforge.net
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 1,2,3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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Class initialisation :
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pCache($CacheFolder="Cache/")
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Cache management :
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IsInCache($Data)
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GetFromCache($ID,$Data)
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WriteToCache($ID,$Data,$Picture)
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DeleteFromCache($ID,$Data)
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ClearCache()
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Inner functions :
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GetHash($ID,$Data)
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*/
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/* pCache class definition */
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class pCache
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{
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var $HashKey = "";
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var $CacheFolder = "Cache/";
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/* Create the pCache object */
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function pCache($CacheFolder="Cache/")
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{
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$this->CacheFolder = $CacheFolder;
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}
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/* This function is clearing the cache folder */
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function ClearCache()
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{
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if ($handle = opendir($this->CacheFolder))
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{
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while (false !== ($file = readdir($handle)))
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{
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if ( $file != "." && $file != ".." )
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unlink($this->CacheFolder.$file);
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}
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closedir($handle);
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}
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}
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/* This function is checking if we have an offline version of this chart */
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function IsInCache($ID,$Data,$Hash="")
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{
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if ( $Hash == "" )
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$Hash = $this->GetHash($ID,$Data);
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if ( file_exists($this->CacheFolder.$Hash) )
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return(TRUE);
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else
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return(FALSE);
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}
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/* This function is making a copy of drawn chart in the cache folder */
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function WriteToCache($ID,$Data,$Picture)
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{
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$Hash = $this->GetHash($ID,$Data);
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$FileName = $this->CacheFolder.$Hash;
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imagepng($Picture->Picture,$FileName);
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}
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/* This function is removing any cached copy of this chart */
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function DeleteFromCache($ID,$Data)
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{
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$Hash = $this->GetHash($ID,$Data);
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$FileName = $this->CacheFolder.$Hash;
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if ( file_exists($FileName ) )
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unlink($FileName);
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}
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/* This function is retrieving the cached picture if applicable */
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function GetFromCache($ID,$Data)
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{
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$Hash = $this->GetHash($ID,$Data);
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if ( $this->IsInCache("","",$Hash ) )
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{
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$FileName = $this->CacheFolder.$Hash;
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header('Content-type: image/png');
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@readfile($FileName);
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exit();
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}
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}
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/* This function is building the graph unique hash key */
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function GetHash($ID,$Data)
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{
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$mKey = "$ID";
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foreach($Data as $key => $Values)
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{
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$tKey = "";
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foreach($Values as $Serie => $Value)
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$tKey = $tKey.$Serie.$Value;
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$mKey = $mKey.md5($tKey);
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}
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return(md5($mKey));
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}
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}
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?>
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3537
web/includes/pChart/pChart.class
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3537
web/includes/pChart/pChart.class
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File diff suppressed because it is too large
Load Diff
260
web/includes/pChart/pData.class
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260
web/includes/pChart/pData.class
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<?php
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/*
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pData - Simplifying data population for pChart
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Copyright (C) 2008 Jean-Damien POGOLOTTI
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Version 1.13 last updated on 08/17/08
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http://pchart.sourceforge.net
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 1,2,3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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Class initialisation :
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pData()
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Data populating methods :
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ImportFromCSV($FileName,$Delimiter=",",$DataColumns=-1,$HasHeader=FALSE,$DataName=-1)
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AddPoint($Value,$Serie="Serie1",$Description="")
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Series manipulation methods :
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AddSerie($SerieName="Serie1")
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AddAllSeries()
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RemoveSerie($SerieName="Serie1")
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SetAbsciseLabelSerie($SerieName = "Name")
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SetSerieName($Name,$SerieName="Serie1")
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+ SetSerieSymbol($Name,$Symbol)
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SetXAxisName($Name="X Axis")
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SetYAxisName($Name="Y Axis")
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SetXAxisFormat($Format="number")
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SetYAxisFormat($Format="number")
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SetXAxisUnit($Unit="")
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SetYAxisUnit($Unit="")
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removeSerieName($SerieName)
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removeAllSeries()
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Data retrieval methods :
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GetData()
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GetDataDescription()
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*/
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/* pData class definition */
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class pData
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{
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var $Data;
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var $DataDescription;
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function pData()
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{
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$this->Data = "";
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$this->DataDescription = "";
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$this->DataDescription["Position"] = "Name";
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$this->DataDescription["Format"]["X"] = "number";
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$this->DataDescription["Format"]["Y"] = "number";
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$this->DataDescription["Unit"]["X"] = NULL;
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$this->DataDescription["Unit"]["Y"] = NULL;
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}
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function ImportFromCSV($FileName,$Delimiter=",",$DataColumns=-1,$HasHeader=FALSE,$DataName=-1)
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{
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$handle = @fopen($FileName,"r");
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if ($handle)
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{
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$HeaderParsed = FALSE;
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while (!feof($handle))
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{
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$buffer = fgets($handle, 4096);
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$buffer = str_replace(chr(10),"",$buffer);
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$buffer = str_replace(chr(13),"",$buffer);
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$Values = split($Delimiter,$buffer);
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if ( $buffer != "" )
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{
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if ( $HasHeader == TRUE && $HeaderParsed == FALSE )
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{
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if ( $DataColumns == -1 )
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{
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$ID = 1;
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foreach($Values as $key => $Value)
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{ $this->SetSerieName($Value,"Serie".$ID); $ID++; }
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}
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else
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{
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$SerieName = "";
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foreach($DataColumns as $key => $Value)
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$this->SetSerieName($Values[$Value],"Serie".$Value);
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}
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$HeaderParsed = TRUE;
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}
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else
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{
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if ( $DataColumns == -1 )
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{
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$ID = 1;
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foreach($Values as $key => $Value)
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{ $this->AddPoint(intval($Value),"Serie".$ID); $ID++; }
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}
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else
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{
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$SerieName = "";
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if ( $DataName != -1 )
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$SerieName = $Values[$DataName];
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foreach($DataColumns as $key => $Value)
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$this->AddPoint($Values[$Value],"Serie".$Value,$SerieName);
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}
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}
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}
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}
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fclose($handle);
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}
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}
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function AddPoint($Value,$Serie="Serie1",$Description="")
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{
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if (is_array($Value) && count($Value) == 1)
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$Value = $Value[0];
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$ID = 0;
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for($i=0;$i<=count($this->Data);$i++)
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{ if(isset($this->data[$i][$Serie])) { $ID = $i+1; } }
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if ( count($Value) == 1 )
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{
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$this->Data[$ID][$Serie] = $Value;
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if ( $Description != "" )
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$this->Data[$ID]["Name"] = $Description;
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elseif (!isset($this->Data[$ID]["Name"]))
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$this->Data[$ID]["Name"] = $ID;
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}
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else
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{
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foreach($Value as $key => $Val)
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{
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$this->Data[$ID][$Serie] = $Val;
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if (!isset($this->Data[$ID]["Name"]))
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$this->Data[$ID]["Name"] = $ID;
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$ID++;
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}
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}
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}
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function AddSerie($SerieName="Serie1")
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{
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if ( !isset($this->DataDescription["Values"]) )
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{
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$this->DataDescription["Values"][] = $SerieName;
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}
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else
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{
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$Found = FALSE;
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foreach($this->DataDescription["Values"] as $key => $Value )
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if ( $Value == $SerieName ) { $Found = TRUE; }
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if ( !$Found )
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$this->DataDescription["Values"][] = $SerieName;
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}
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}
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function AddAllSeries()
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{
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unset($this->DataDescription["Values"]);
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if ( isset($this->Data[0]) )
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{
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foreach($this->Data[0] as $Key => $Value)
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{
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if ( $Key != "Name" )
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$this->DataDescription["Values"][] = $Key;
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}
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}
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}
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function RemoveSerie($SerieName="Serie1")
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{
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if ( !isset($this->DataDescription["Values"]) )
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return(0);
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$Found = FALSE;
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foreach($this->DataDescription["Values"] as $key => $Value )
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{
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if ( $Value == $SerieName )
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unset($this->DataDescription["Values"][$key]);
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}
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}
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function SetAbsciseLabelSerie($SerieName = "Name")
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{
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$this->DataDescription["Position"] = $SerieName;
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}
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function SetSerieName($Name,$SerieName="Serie1")
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{
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$this->DataDescription["Description"][$SerieName] = $Name;
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}
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function SetXAxisName($Name="X Axis")
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{
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$this->DataDescription["Axis"]["X"] = $Name;
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}
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function SetYAxisName($Name="Y Axis")
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{
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$this->DataDescription["Axis"]["Y"] = $Name;
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}
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function SetXAxisFormat($Format="number")
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{
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$this->DataDescription["Format"]["X"] = $Format;
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}
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function SetYAxisFormat($Format="number")
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{
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$this->DataDescription["Format"]["Y"] = $Format;
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}
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function SetXAxisUnit($Unit="")
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{
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$this->DataDescription["Unit"]["X"] = $Unit;
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}
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function SetYAxisUnit($Unit="")
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{
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$this->DataDescription["Unit"]["Y"] = $Unit;
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}
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function SetSerieSymbol($Name,$Symbol)
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{
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$this->DataDescription["Symbol"][$Name] = $Symbol;
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}
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function removeSerieName($SerieName)
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{
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if ( isset($this->DataDescription["Description"][$SerieName]) )
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unset($this->DataDescription["Description"][$SerieName]);
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}
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function removeAllSeries()
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{
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foreach($this->DataDescription["Values"] as $Key => $Value)
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unset($this->DataDescription["Values"][$Key]);
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}
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function GetData()
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{
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return($this->Data);
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}
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function GetDataDescription()
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{
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return($this->DataDescription);
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}
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}
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?>
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