<?php
include_once ("../lib/common.inc.php");
// Width and height of the graph
$width = 800;
$height = 300;
$query = "select procurementMethod, SUM(value) as value, MONTH(contractStart) as month, YEAR(contractStart) as year from `contractnotice`
where $agencyQ $supplierQ $standardQ group by procurementMethod,year,month order by procurementMethod,year,month";
$result = mysql_query($query);
$methods = Array("Direct","Open","Select");
$dates = Array();
$methodValuesP = Array();
$methodValues = Array();
$maxValue = 0;
while ($row = mysql_fetch_array($result, MYSQL_ASSOC)) {
  setlocale(LC_MONETARY, 'en_US');
  if ($row['value'] > $maxValue) $maxValue = $row['value'];
  $date = date( 'F ', mktime(0, 0, 0, $row["month"]) ). $row["year"];
  if (array_search($date,$dates) === false ) {
    $dates[$row["year"]*100 + $row["month"]] = $date;
    ksort($dates);
  }
  $methodValuesP[$row["procurementMethod"]][$date] = $row["value"];
 
}
foreach ($methods as $method) {
    foreach($dates as $date) {
        if ($methodValuesP[$method][$date] > 0) $methodValues[$method][] = $methodValuesP[$method][$date];
        else $methodValues[$method][] = 0;
    }
}
$dates = array_values($dates);
$totalRecords = array_sum_all($methodValues);
mysql_free_result($result);
// Create a graph instance
$graph = new Graph($width, $height);
$graph->SetScale('datint');
$graph->SetMargin(95, 145, 45, 100);
// Setup a title for the graph
$graph->title->Set($agencyQ.$supplierQ);
$graph->SetUserFont("liberation/LiberationSans-Regular.ttf");
$graph->title->SetFont(FF_USERFONT, FS_NORMAL, 12);
// Setup font for axis
$graph->xaxis->SetFont(FF_USERFONT, FS_NORMAL, 10);
$graph->xaxis->SetTickLabels($dates);
$graph->xaxis->SetLabelAngle(50);
$colors = Array ("orange","red","blue");
for ($i = 0; $i <= 2;$i++) {
   $lplot[$i] =   new LinePlot($methodValues[$methods[$i]]);
   $lplot[$i]->SetLegend($methods[$i]);
   $lplot[$i]->SetFillColor($colors[$i]);
}
 
// Create the grouped bar plot
$alplot = new AccLinePlot($lplot);
// ...and add it to the graPH
$graph->Add($alplot);
 
$graph->Stroke();
?>