/**
* @throws ProjectIDMissingException
* @throws ProjectSecuriyAccessDeniedException
*/
public static function gantt_view()
{
global $project_security;
if ($_GET['project_id']) {
if ($project_security->is_access(1, false) == true) {
$project_task_array = ProjectTask::list_tasks($_GET['project_id']);
$left_limit = 0;
$right_limit = 0;
if (is_array($project_task_array) and count($project_task_array) >= 1) {
foreach ($project_task_array as $key => $value) {
$project_task = new ProjectTask($value);
if ($project_task->get_start_date()) {
$begin_timestamp = $project_task->get_start_date() . " 00:00:00";
if ($project_task->get_uf_end_time() != "-1") {
$end_timestamp = $project_task->get_end_date() . " " . $project_task->get_end_time();
} else {
$end_timestamp = $project_task->get_end_date() . " 00:00:00";
}
$begin_datetime_handler = new DatetimeHandler($begin_timestamp);
$end_datetime_handler = new DatetimeHandler($end_timestamp);
$begin_mktime = $begin_datetime_handler->get_mktime();
$end_mktime = $end_datetime_handler->get_mktime();
if ($left_limit == 0 or $left_limit > $begin_mktime) {
$left_limit = $begin_mktime;
}
if ($right_limit == 0 or $right_limit < $end_mktime) {
$right_limit = $end_mktime;
}
}
}
$left_limit_handler = new DatetimeHandler($left_limit);
$right_limit_handler = new DatetimeHandler($right_limit);
$day_distance = $left_limit_handler->day_distance($right_limit_handler);
$date_range = $right_limit - $left_limit;
if ($day_distance < 30) {
if ($day_distance < 15) {
if ($day_distance < 7) {
$date_range_addition = ceil($date_range / ($day_distance * 4));
$date_mktime = $left_limit;
$number_of_rows = $day_distance * 4 + 4;
} else {
$date_range_addition = ceil($date_range / ($day_distance * 2));
$date_mktime = $left_limit;
$number_of_rows = $day_distance * 2 + 2;
}
} else {
$date_range_addition = ceil($date_range / $day_distance);
$date_mktime = $left_limit;
$number_of_rows = $day_distance + 1;
}
} else {
$date_range_addition = ceil($date_range / 29);
$date_mktime = $left_limit;
$number_of_rows = 30;
}
$width_of_row = 705 / $number_of_rows;
$gantt_array = array();
for ($i = 0; $i <= $number_of_rows - 1; $i++) {
$day = date("d", $date_mktime);
$month = date("M", $date_mktime);
$gantt_array[$i]['title'] = $day . "<br />" . $month;
$gantt_array[$i]['mktime'] = $date_mktime;
$date_mktime = $date_mktime + $date_range_addition;
}
$template = new HTMLTemplate("project/tasks/gantt_view.html");
$table_view_paramquery = $_GET;
$table_view_paramquery['show'] = "table";
$table_view_params = http_build_query($table_view_paramquery, '', '&');
$template->set_var("table_view_params", $table_view_params);
$gantt_view_paramquery = $_GET;
$gantt_view_paramquery['show'] = "gantt";
$gantt_view_params = http_build_query($gantt_view_paramquery, '', '&');
$template->set_var("gantt_view_params", $gantt_view_params);
$cal_view_paramquery = $_GET;
$cal_view_paramquery['show'] = "cal";
$cal_view_params = http_build_query($cal_view_paramquery, '', '&');
$template->set_var("cal_view_params", $cal_view_params);
$table = "<table class='ProjectTaskGanttTable'>";
$table .= "<tr>";
foreach ($gantt_array as $key => $value) {
$table .= "<th width='" . $width_of_row . "px'>" . $value['title'] . "</th>";
}
$table .= "</tr>";
foreach ($project_task_array as $key => $value) {
$project_task = new ProjectTask($value);
$begin_timestamp = $project_task->get_start_date() . " 00:00:00";
if ($project_task->get_uf_end_time() != "-1") {
$end_timestamp = $project_task->get_end_date() . " " . $project_task->get_end_time();
} else {
$end_timestamp = $project_task->get_end_date() . " 23:59:59";
}
$begin_datetime_handler = new DatetimeHandler($begin_timestamp);
$end_datetime_handler = new DatetimeHandler($end_timestamp);
$begin_mktime = $begin_datetime_handler->get_mktime();
$end_mktime = $end_datetime_handler->get_mktime();
$table .= "<tr>";
$paramquery = $_GET;
$paramquery['run'] = "task_detail";
$paramquery['id'] = $value;
$params = http_build_query($paramquery, '', '&');
$table .= "<td colspan='30'><span class='smallText'><a href='index.php?" . $params . "'>" . $project_task->get_name() . " (" . $begin_datetime_handler->get_formatted_string("j/n/Y") . " - " . $end_datetime_handler->get_formatted_string("j/n/Y") . ")</a></span></td>";
$table .= "</tr><tr class='ProjectTaskGanttBlockEnd'>";
$begin_key = -1;
$end_key = -1;
foreach ($gantt_array as $fe_key => $fe_value) {
if ($fe_value['mktime'] >= $begin_mktime) {
if ($begin_key == -1) {
$begin_key = $fe_key;
}
}
if ($begin_key != -1 and $fe_value['mktime'] <= $end_mktime) {
$end_key = $fe_key;
}
}
$key_range = $end_key - $begin_key + 1;
$in_task = false;
for ($i = 0; $i <= $number_of_rows - 1; $i++) {
if ($i == $begin_key) {
$in_task = true;
$width = $key_range * ($width_of_row + 1);
if ($project_task->get_type() == 3) {
$table .= "<td colspan='" . $key_range . "' style='text-align: center;'><img src='images/icons/milestone.png' alt='' /></td>";
} else {
$table .= "<td colspan='" . $key_range . "'><img src='core/images/status_bar.php?length=" . $width . "&height=15&linecolor=A0A0A0&bgcolor=EAEAEA&color=" . $project_task->get_color() . "&value=" . $project_task->get_progress() . "' /></td>";
}
}
if ($in_task == false) {
$table .= "<td></td>";
}
if ($i == $end_key) {
$in_task = false;
}
}
$table .= "</tr>";
}
$table .= "</table>";
$template->set_var("table", $table);
$template->output();
} else {
$template = new HTMLTemplate("project/tasks/gantt_view.html");
$table_view_paramquery = $_GET;
$table_view_paramquery['show'] = "table";
$table_view_params = http_build_query($table_view_paramquery, '', '&');
$template->set_var("table_view_params", $table_view_params);
$gantt_view_paramquery = $_GET;
$gantt_view_paramquery['show'] = "gantt";
$gantt_view_params = http_build_query($gantt_view_paramquery, '', '&');
$template->set_var("gantt_view_params", $gantt_view_params);
$cal_view_paramquery = $_GET;
$cal_view_paramquery['show'] = "cal";
$cal_view_params = http_build_query($cal_view_paramquery, '', '&');
$template->set_var("cal_view_params", $cal_view_params);
$template->set_var("table", "<span class='italic'>No Entries Found</span>");
$template->output();
}
} else {
throw new ProjectSecuriyAccessDeniedException();
}
} else {
throw new ProjectIDMissingException();
}
}