/**
* Calculate the weeknumber for an ISO8601 date
* based on pear/Date/Calc.php
* @return int
* @param int $day
* @param int $month
* @param int $year
*/
function getWeeknumber($day, $month, $year)
{
$mnth = array(0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334);
$y_isleap = dateutil::isLeapYear($year);
$y_1_isleap = dateutil::isLeapYear($year - 1);
$day_of_year_number = $day + $mnth[$month - 1];
if ($y_isleap && $month > 2) {
$day_of_year_number++;
}
// find Jan 1 weekday (monday = 1, sunday = 7)
$yy = ($year - 1) % 100;
$c = $year - 1 - $yy;
$g = $yy + intval($yy / 4);
$jan1_weekday = 1 + intval(($c / 100 % 4 * 5 + $g) % 7);
// weekday for year-month-day
$h = $day_of_year_number + ($jan1_weekday - 1);
$weekday = 1 + intval(($h - 1) % 7);
// find if Y M D falls in YearNumber Y-1, WeekNumber 52 or
if ($day_of_year_number <= 8 - $jan1_weekday && $jan1_weekday > 4) {
$yearnumber = $year - 1;
if ($jan1_weekday == 5 || $jan1_weekday == 6 && $y_1_isleap) {
$weeknumber = 53;
} else {
$weeknumber = 52;
}
} else {
$yearnumber = $year;
}
// find if Y M D falls in YearNumber Y+1, WeekNumber 1
if ($yearnumber == $year) {
if ($y_isleap) {
$i = 366;
} else {
$i = 365;
}
if ($i - $day_of_year_number < 4 - $weekday) {
$yearnumber++;
$weeknumber = 1;
}
}
// find if Y M D falls in YearNumber Y, WeekNumber 1 through 53
if ($yearnumber == $year) {
$j = $day_of_year_number + (7 - $weekday) + ($jan1_weekday - 1);
$weeknumber = intval($j / 7);
if ($jan1_weekday > 4) {
$weeknumber--;
}
}
// put it all together
if ($weeknumber < 10) {
$weeknumber = '0' . $weeknumber;
}
return $weeknumber;
}
$caption .= '[0/' . round($gantphase['planned'] / 60) . ']';
}
}
} else {
$activity[$i]->SetPattern(BAND_RDIAG, "red");
}
$activity[$i]->caption->Set($caption);
//$graph->Add($activity[$i]);
$i++;
}
atkimport("module.utils.dateutil");
// milestones
$milestonenode =& atkGetNode("project.deliverable");
$deliverables = $milestonenode->selectDb("project_id=" . $projectid, "duedate");
for ($i = 0, $_i = count($deliverables); $i < $_i; $i++) {
$due = date("Y-m-d", dateutil::arr2stamp($deliverables[$i]["duedate"]));
$ms = new MileStone(count($gant) + $i, $deliverables[$i]["name"], $due, $due . " (" . $deliverables[$i]["name"] . ")");
$graph->Add($ms);
}
// dependencies
for ($i = 0, $_i = count($dbrecordsdep); $i < $_i; $i++) {
$activity[$reverselookup[$dbrecordsdep[$i]["dependency_phaseid_row"]]]->SetConstrain($reverselookup[$dbrecordsdep[$i]["dependency_phaseid_col"]], CONSTRAIN_ENDSTART);
}
for ($i = 0, $_i = count($activity); $i < $_i; $i++) {
$graph->Add($activity[$i]);
}
//TO DO: find a good solution for errorhandling
//here you can set a subtitle
//$graph->subtitle->Set('title');
if (count($gant) == 0) {
$graph->SetDateRange(time(), time() + 86400);
