function fs_gantt_chart($title, $from, $to, $tasks, $milestones, $width, $height)
{
// Generate the XML
$chart = new FusionCharts("Gantt", $width, $height, "1", "0");
$chart->setSWFPath("include/graphs/FusionCharts/");
$chart->setChartParams('dateFormat=dd/mm/yyyy;hoverCapBorderColor=2222ff;hoverCapBgColor=e1f5ff;ganttLineAlpha=80;canvasBorderColor=024455;canvasBorderThickness=0;gridBorderColor=2179b1;gridBorderAlpha=20;ganttWidthPercent=80');
$chart->setGanttProcessesParams('headerText=' . __('Task') . ';fontColor=ffffff;fontSize=9;isBold=1;isAnimated=1;bgColor=2179b1;headerbgColor=2179b1;headerFontColor=ffffff;headerFontSize=12;align=left');
$chart->setGanttTasksParams('');
$start_date = explode('/', $from);
$start_day = $start_date[0];
$start_month = $start_date[1];
$start_year = $start_date[2];
$end_date = explode('/', $to);
$end_day = $end_date[0];
$end_month = $end_date[1];
$end_year = $end_date[2];
$time_span = date_to_epoch($to) - date_to_epoch($from);
// Years
$chart->addGanttCategorySet('bgColor=2179b1;fontColor=ff0000');
for ($i = $start_year; $i <= $end_year; $i++) {
if ($i == $start_year) {
$start = sprintf('%02d/%02d/%04d', $start_day, $start_month, $start_year);
} else {
$start = sprintf('%02d/%02d/%04d', 1, 1, $i);
}
if ($i == $end_year) {
$end = sprintf('%02d/%02d/%04d', $end_day, $end_month, $end_year);
} else {
$end = sprintf('%02d/%02d/%04d', cal_days_in_month(CAL_GREGORIAN, 12, $i), 12, $i);
}
$chart->addGanttCategory($i, ';start=' . $start . ';end=' . $end . ';align=center;fontColor=ffffff;isBold=1;fontSize=16');
}
// Months
$chart->addGanttCategorySet('bgColor=ffffff;fontColor=1288dd;fontSize=10');
for ($i = $start_year; $i <= $end_year; $i++) {
for ($j = 1; $j <= 12; $j++) {
if ($i == $start_year && $j < $start_month) {
continue;
} else {
if ($i == $end_year && $j > $end_month) {
break;
}
}
if ($i == $start_year && $j == $start_month) {
$start = sprintf('%02d/%02d/%04d', $start_day, $start_month, $start_year);
} else {
$start = sprintf('%02d/%02d/%04d', 1, $j, $i);
}
if ($i == $end_year && $j == $end_month) {
$end = sprintf('%02d/%02d/%04d', $end_day, $end_month, $end_year);
} else {
$end = sprintf('%02d/%02d/%04d', cal_days_in_month(CAL_GREGORIAN, $j, $i), $j, $i);
}
$chart->addGanttCategory(date('F', mktime(0, 0, 0, $j, 1)), ';start=' . $start . ';end=' . $end . ';align=center;isBold=1');
}
}
// Days
if ($time_span < 2592000) {
$chart->addGanttCategorySet();
for ($i = $start_year; $i <= $end_year; $i++) {
for ($j = 1; $j <= 12; $j++) {
if ($i == $start_year && $j < $start_month) {
continue;
} else {
if ($i == $end_year && $j > $end_month) {
break;
}
}
$num_days = cal_days_in_month(CAL_GREGORIAN, $j, $i);
for ($k = 1; $k <= $num_days; $k++) {
if ($i == $start_year && $j == $start_month && $k < $start_day) {
continue;
} else {
if ($i == $end_year && $j == $end_month && $k > $end_day) {
break;
}
}
$start = sprintf('%02d/%02d/%04d', $k, $j, $i);
$end = sprintf('%02d/%02d/%04d', $k, $j, $i);
$chart->addGanttCategory($k, ';start=' . $start . ';end=' . $end . ';fontSize=8;isBold=0');
}
}
}
} else {
if ($time_span < 10368000) {
$chart->addGanttCategorySet();
for ($i = $start_year; $i <= $end_year; $i++) {
for ($j = 1; $j <= 12; $j++) {
if ($i == $start_year && $j < $start_month) {
continue;
} else {
if ($i == $end_year && $j > $end_month) {
break;
}
}
$num_days = cal_days_in_month(CAL_GREGORIAN, $j, $i);
for ($k = 1, $l = 1; $k <= $num_days; $k += 8, $l++) {
if ($i == $start_year && $j == $start_month && $k + 7 < $start_day) {
continue;
}
if ($i == $end_year && $j == $end_month && $k > $end_day) {
break;
}
if ($i == $start_year && $j == $start_month && $k < $start_day) {
$start = sprintf('%02d/%02d/%04d', $start_day, $j, $i);
} else {
$start = sprintf('%02d/%02d/%04d', $k, $j, $i);
}
if ($i == $end_year && $j == $end_month && $k + 7 > $end_day) {
$end = sprintf('%02d/%02d/%04d', $end_day, $j, $i);
} else {
if ($k + 7 > $num_days) {
$end = sprintf('%02d/%02d/%04d', $num_days, $j, $i);
} else {
$end = sprintf('%02d/%02d/%04d', $k + 7, $j, $i);
}
}
$chart->addGanttCategory(__('Week') . " {$l}", ';start=' . $start . ';end=' . $end . ';fontSize=8;isBold=0');
}
}
}
}
}
// Tasks
foreach ($tasks as $task) {
$chart->addGanttProcess(clean_flash_string($task['name']), 'id=' . $task['id'] . ';link=' . urlencode($task['link']));
$chart->addGanttTask(__('Planned'), 'start=' . $task['start'] . ';end=' . $task['end'] . ';id=' . $task['id'] . ';processId=' . $task['id'] . ';color=4b3cff;height=5;topPadding=10;animation=0');
if ($task['real_start'] !== false && $task['real_end']) {
$chart->addGanttTask(__('Actual'), 'start=' . $task['real_start'] . ';end=' . $task['real_end'] . ';processId=' . $task['id'] . ';color=ff3c4b;alpha=100;topPadding=15;height=5');
}
if ($task['completion'] != 0) {
$task_span = date_to_epoch($task['end']) - date_to_epoch($task['start']);
$end = date('d/m/Y', date_to_epoch($task['start']) + $task_span * $task['completion'] / 100.0);
$chart->addGanttTask(__('Completion') . " (" . $task['completion'] . ")", 'start=' . $task['start'] . ';end=' . $end . ';processId=' . $task['id'] . ';color=32cd32;alpha=100;topPadding=20;height=5');
}
if ($task['parent'] != 0) {
$chart->addGanttConnector($task['parent'], $task['id'], 'color=2179b1;thickness=2;fromTaskConnectStart=1');
}
}
// Milestones
if ($milestones !== '') {
$chart->addGanttProcess(__('Milestones'), 'id=0');
foreach ($milestones as $milestone) {
$chart->addGanttTask(clean_flash_string($milestone['name']), 'start=' . $milestone['date'] . ';end=' . $milestone['date'] . ';id=ms-' . $milestone['id'] . ';processId=0;color=ffffff;alpha=0;height=60;topPadding=0;animation=0');
$chart->addGanttMilestone('ms-' . $milestone['id'], 'date=' . $milestone['date'] . ';radius=8;color=efbb07;shape=star;numSides=3;borderThickness=1');
}
}
// Today
$chart->addTrendLine('start=' . date('d/m/Y') . ';displayValue=' . __('Today') . ';color=666666;isTrendZone=1;alpha=20');
// Return the code
return get_chart_code($chart, $width, $height, 'include/graphs/FusionCharts/FCF_Gantt.swf');
}