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