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phptsmadmin/application/classes/lnapp/jpgraph/gantt.php

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2011-05-27 08:44:44 +00:00
<?php defined('SYSPATH') or die('No direct access allowed.');
/**
* This is class helps with rendering JPGraph Gantt images.
*
* @package lnApp
* @subpackage JPGraph
* @category Helpers
* @author Deon George
* @copyright (c) 2010 Deon George
* @license http://dev.leenooks.net/license.html
*/
class lnApp_JPGraph_Gantt extends JPGraph {
// Our JPGraph object
public $jpgraph;
private $_count;
private $_items = array();
public function __construct() {
// Run through our parent checks
$jpgraph = parent::__construct();
if (! file_exists($jpgraph.'/jpgraph_gantt.php'))
throw new Kohana_Exception('jpgraph_gantt.php must be installed in '.$jpgraph);
require_once $jpgraph.'/jpgraph_gantt.php';
$this->jpgraph = new GanttGraph(0,0,'auto');
return $this;
}
// Add a new line item to the Gantt Chart
public function add($summary,$start,$end) {
$this->_count = count($this->_items);
$this->_items[$this->_count]['summary'] = $summary;
$this->_items[$this->_count]['start'] = $start;
$this->_items[$this->_count]['end'] = $end;
return $this;
}
public function caption($value) {
$this->_items[$this->_count]['caption'] = $value;
return $this;
}
public function csim($value) {
$this->_items[$this->_count]['csim'] = $value;
return $this;
}
public function progress($value) {
$this->_items[$this->_count]['progress'] = $value;
return $this;
}
public function sort($value) {
$this->_items[$this->_count]['sort'] = $value;
return $this;
}
// This will compile the gantt and output a URL that has the image
public function draw($name) {
// Sort our items by sort criteria.
sort::MAsort($this->_items,'sort,summary',0);
$c = 0;
$ls = '';
foreach ($this->_items as $item) {
// Put a gap between our priority items.
if ($c AND ($lp != $item['sort']))
$c++;
if ($ls != $item['summary'])
$c++;
$lp = $item['sort'];
$ls = $item['summary'];
$activity = new GanttBar($c,$item['summary'],$item['start'],$item['end']);
$activity->progress->Set($item['progress']);
$activity->caption ->Set($item['caption']);
$activity->SetCSIMTarget('#',($item['csim'] ? $item['csim'] : 'NoCSIM'));
$activity->title->SetCSIMTarget('#',($item['csim'] ? $item['csim'] : 'NoCSIM'));
$this->jpgraph->Add($activity);
}
$tmpfile = '/tmp/'.$name.'.png';
$file = 'session/'.$name.'.png';
$this->jpgraph->Stroke($tmpfile);
Session::instance()->set($file,file_get_contents($tmpfile));
unlink($tmpfile);
return $file;
}
}
?>