function gantt_chart($p_metrics, $p_title, $p_subtitle, $p_graph_width = 300, $p_graph_height = 380)
{
$t_graph_font = graph_get_font();
$t_metrics = $p_metrics['metrics'];
$t_range = $p_metrics['range'];
// Diff in weeks of the range:
$t_60s = 60;
// 1 minute
$t_60min = 60;
// 1 hour
$t_24h = 24;
// 1 day
$t_7d = 7;
// 1 week
$t_minute = $t_60s;
$t_hour = $t_60min * $t_minute;
$t_day = $t_24h * $t_hour;
$t_week = $t_7d * $t_day;
$t_gantt_chart_max_rows = plugin_config_get('rows_max');
error_check(is_array($t_metrics) ? count($t_metrics) : 0, $p_title . " (" . $p_subtitle . ")");
if (plugin_config_get('eczlibrary') == ON) {
// DO NOTHING SINCE eczlibrary DOES NOT SUPPORT GANTT CHART
} else {
// A new graph with automatic size
$graph = new GanttGraph(0, 0, "auto");
$graph->SetShadow();
// Add title and subtitle
$graph->title->Set($p_title);
$graph->title->SetFont($t_graph_font, FS_BOLD, 12);
$graph->subtitle->Set($p_subtitle);
// Show day, week and month scale
$graph->ShowHeaders(GANTT_HDAY | GANTT_HWEEK | GANTT_HMONTH);
// Instead of week number show the date for the first day in the week
// on the week scale
$graph->scale->week->SetStyle(WEEKSTYLE_FIRSTDAY);
// Make the week scale font smaller than the default
$graph->scale->week->SetFont($t_graph_font, FS_NORMAL, 8);
// Use the short name of the month together with a 2 digit year
// on the month scale
$graph->scale->month->SetStyle(MONTHSTYLE_SHORTNAMEYEAR4);
$graph->scale->month->SetFontColor("white");
$graph->scale->month->SetBackgroundColor("blue");
// Setup a horizontal grid
$graph->hgrid->Show();
$graph->hgrid->SetRowFillColor('darkblue@0.9');
// Setup a vertical grid
// $graph->vgrid->Show();
//Setup the divider display
$graph->scale->divider->SetWeight(3);
$graph->scale->divider->SetColor("darkblue");
$graph->scale->dividerh->SetWeight(3);
$graph->scale->dividerh->SetColor("darkblue");
$graph->scale->dividerh->Show();
$graph->scale->actinfo->vgrid->SetStyle('solid');
$graph->scale->actinfo->vgrid->SetColor('darkblue');
$graph->scale->actinfo->vgrid->Show();
// // Set the column headers and font
// $graph->scale->actinfo->SetColTitles( array('Task','Start','End'),array(100));
// $graph->scale->actinfo->SetFont( $t_graph_font, FS_BOLD, 10 );
//Adding columns:
//The following is an example: 1st element, an array of the columns,
// 2nd element an optional array of min width of the columns (here the min width of the 2 first columns)
//$graph->scale->actinfo->SetColTitles(
// array('Note','Task','Duration','Start','Finish'),array(30,100));
//Adding a table title
$graph->scale->tableTitle->Set("{$p_subtitle}");
$graph->scale->tableTitle->SetFont($t_graph_font, FS_NORMAL, 8);
$graph->scale->SetTableTitleBackground('darkblue@0.6');
$graph->scale->tableTitle->Show();
// if ( null != $t_constrain ){
// $t_activity->SetConstrain( $t_constrain, CONSTRAIN_ENDSTART );
// }
// if ( null != $t_constrain ){
// $t_activity->SetConstrain( $t_constrain['row'], $t_constrain['type'] );
// }
// We first need to get the list of rows, in order to know whether to
// display the constraint or not (in case of missing referenced row)
$t_row_list = array();
foreach ($t_metrics as $t_metric_row) {
$t_row_list[] = $t_metric_row[0];
}
foreach ($t_metrics as $t_metric_row) {
$t_row = $t_metric_row[0] % $t_gantt_chart_max_rows;
$t_activity_type = $t_metric_row[1];
$t_bug_id = $t_metric_row[2];
$t_start_date = $t_metric_row[3];
$t_end_date = $t_metric_row[4];
$t_extra = " {$t_bug_id}" . $t_metric_row[5];
$t_level = $t_metric_row[6];
$t_constraints = $t_metric_row[7];
if (isset($t_level)) {
$t_row_label = utf8_str_pad('', $t_level * 2, ' ') . htmlspecialchars_decode(bug_format_summary($t_bug_id, SUMMARY_FIELD));
} else {
$t_row_label = htmlspecialchars_decode(bug_format_summary($t_bug_id, SUMMARY_FIELD));
}
// Limit the label to max defined
$t_row_label = strlen($t_row_label) > plugin_config_get('label_max') ? substr($t_row_label, 0, plugin_config_get('label_max') - 3) . '...' : $t_row_label;
$t_activity_arr = array('left' => null, 'main' => array('row' => $t_row, 'label' => $t_row_label, 'start' => $t_start_date, 'end' => $t_end_date, 'info' => $t_extra), 'right' => null);
if ($t_end_date < $t_range['min']) {
// complete left bar
// ** | o[ ]-[ ]o
$t_activity_arr = array('left' => array('row' => $t_row, 'label' => $t_row_label, 'start' => $t_range['min'], 'end' => $t_range['min'], 'info' => "<- " . graph_date_format($t_start_date)), 'main' => null, 'right' => array('row' => $t_row, 'label' => "", 'start' => $t_range['min'] + $t_day, 'end' => $t_range['min'] + $t_day, 'info' => "<<- [" . graph_date_format($t_start_date) . " / " . graph_date_format($t_end_date) . "]" . $t_extra));
} else {
if ($t_range['max'] < $t_start_date) {
// complete right bar
// o[ ]-[ ]o | **
$t_activity_arr = array('left' => array('row' => $t_row, 'label' => $t_row_label, 'start' => $t_range['max'] - $t_day, 'end' => $t_range['max'] - $t_day, 'info' => ""), 'main' => null, 'right' => array('row' => $t_row, 'label' => "", 'start' => $t_range['max'], 'end' => $t_range['max'], 'info' => "[" . graph_date_format($t_start_date) . " / " . graph_date_format($t_end_date) . "] ->>" . $t_extra));
} else {
if ($t_start_date < $t_range['min']) {
// left bar
// * | o[ ]-[ ]
$t_activity_arr['left'] = array('row' => $t_row, 'label' => '', 'start' => $t_range['min'], 'end' => $t_range['min'], 'info' => "<- " . graph_date_format($t_start_date));
$t_activity_arr['main']['start'] = $t_range['min'] + $t_day;
//4 * $t_day;// @TODO: what happens if duration is less than that
}
if ($t_range['max'] < $t_end_date) {
// right bar
// [ ]-[ ]o | *
$t_activity_arr['main']['end'] = $t_range['max'] - $t_day;
//4 * $t_day;
$t_activity_arr['main']['info'] = "";
$t_activity_arr['right'] = array('row' => $t_row, 'label' => "", 'start' => $t_range['max'], 'end' => $t_range['max'], 'info' => graph_date_format($t_end_date) . " ->" . $t_extra);
}
}
}
switch ($t_activity_type) {
case ACTYPE_NORMAL:
if (null != $t_activity_arr['left']) {
$t_activity_left = new GanttBar($t_activity_arr['left']['row'], $t_activity_arr['left']['label'], graph_date_format($t_activity_arr['left']['start']), graph_date_format($t_activity_arr['left']['end']), $t_activity_arr['left']['info']);
// Add a left marker
$t_activity_left->leftMark->Show();
$t_activity_left->leftMark->SetType(MARK_FILLEDCIRCLE);
$t_activity_left->leftMark->SetWidth(8);
// $t_activity_left->leftMark->SetColor( 'red' );
$t_activity_left->leftMark->SetFillColor('red');
$t_activity_left->leftMark->title->Set('');
$t_activity_left->leftMark->title->SetFont($t_graph_font, FS_NORMAL, 8);
$t_activity_left->leftMark->title->SetColor('white');
if (null != gantt_get_resolution_date($t_bug_id)) {
$t_activity_left->SetPattern(BAND_RDIAG, get_status_color(bug_get_field($t_bug_id, 'status')));
}
$t_activity_left->SetFillColor(get_status_color(bug_get_field($t_bug_id, 'status')));
}
if (null != $t_activity_arr['main']) {
$t_activity_main = new GanttBar($t_activity_arr['main']['row'], $t_activity_arr['main']['label'], graph_date_format($t_activity_arr['main']['start']), graph_date_format($t_activity_arr['main']['end']), $t_activity_arr['main']['info']);
if (null != gantt_get_resolution_date($t_bug_id)) {
$t_activity_main->SetPattern(BAND_RDIAG, get_status_color(bug_get_field($t_bug_id, 'status')));
}
$t_activity_main->SetFillColor(get_status_color(bug_get_field($t_bug_id, 'status')));
$t_activity_main->title->SetFont($t_graph_font, FS_NORMAL, 8);
// Set the constraint if any...
foreach ($t_constraints as $t_constraint) {
// ... and if possible
if (in_array($t_constraint['row'], $t_row_list)) {
$t_activity_main->SetConstrain($t_constraint['row'], $t_constraint['type']);
}
}
$graph->add($t_activity_main);
}
if (null != $t_activity_arr['right']) {
$t_activity_right = new GanttBar($t_activity_arr['right']['row'], $t_activity_arr['right']['label'], graph_date_format($t_activity_arr['right']['start']), graph_date_format($t_activity_arr['right']['end']), $t_activity_arr['right']['info']);
// Add a left marker
$t_activity_right->rightMark->Show();
$t_activity_right->rightMark->SetType(MARK_FILLEDCIRCLE);
$t_activity_right->rightMark->SetWidth(8);
$t_activity_right->rightMark->SetColor('red');
$t_activity_right->rightMark->SetFillColor('red');
$t_activity_right->rightMark->title->Set('');
$t_activity_right->rightMark->title->SetFont($t_graph_font, FS_NORMAL, 8);
$t_activity_right->rightMark->title->SetColor('white');
if (null != gantt_get_resolution_date($t_bug_id)) {
$t_activity_right->SetPattern(BAND_RDIAG, get_status_color(bug_get_field($t_bug_id, 'status')));
}
$t_activity_right->SetFillColor(get_status_color(bug_get_field($t_bug_id, 'status')));
}
if (isset($t_activity_left)) {
$graph->add($t_activity_left);
}
if (isset($t_activity_right)) {
$graph->add($t_activity_right);
}
break;
case ACTYPE_MILESTONE:
$t_size = 5;
if ($t_start_date < $t_range['min']) {
$t_extra = "(<-- " . graph_date_format($t_start_date) . ")" . $t_extra;
$t_start_date = $t_range['min'];
$t_size = 8;
} else {
if ($t_range['max'] < $t_start_date) {
$t_extra = "(--> " . graph_date_format($t_start_date) . ")" . $t_extra;
$t_start_date = $t_range['max'];
$t_size = 8;
}
}
$t_milestone = new MileStone($t_row, $t_row_label, graph_date_format($t_start_date), $t_extra);
$t_milestone->title->SetFont($t_graph_font, FS_NORMAL, 8);
$t_milestone->mark->SetType(MARK_FILLEDCIRCLE);
$t_milestone->mark->SetWidth($t_size);
if (5 != $t_size) {
$t_milestone->mark->SetFillColor('red');
}
// foreach( $t_constraints as $t_constraint){
// $t_milestone->SetConstrain( $t_constraint['row'], $t_constraint['type'] );
// }
$graph->add($t_milestone);
break;
}
}
// Setting the min and max date:
$t_minmax = $graph->GetBarMinMax();
$t_week_in_seconds = 7 * 24 * 3600;
// 1 week offset min:
if ($t_minmax[0] - $t_week_in_seconds > 0) {
$t_graph_offset_min = $t_minmax[0] - $t_week_in_seconds;
} else {
$t_graph_offset_min = $t_minmax[0];
}
// 2 weeks offset max:
$t_graph_offset_max = $t_minmax[1] + 3 * $t_week_in_seconds;
$graph->SetDateRange(graph_date_format($t_graph_offset_min), graph_date_format($t_graph_offset_max));
// Add a vertical line for today if in the range of GetBarMinMax() (retruns an arry ($min, $max) ):
$t_minmax = $graph->GetBarMinMax();
$t_now = date(config_get('short_date_format'));
if ($t_now >= graph_date_format($t_graph_offset_min) && $t_now <= graph_date_format($t_graph_offset_max)) {
$t_today = new GanttVLine($t_now, "Today", "darkred", 2, "solid");
$t_today->SetDayOffset(0.5);
$graph->add($t_today);
}
// $t_today = new GanttVLine( "2011-03-01" , "" , "darkred", 2, "solid");//
// $t_today->SetDayOffset(0.5);
// $graph->add( $t_today );
$t_gantt_chart_height = gantt_chart_get_height($graph);
$t_legend = gantt_chart_legend(false);
$t_legend_height = 60;
// Display the Gantt chart
// $graph->Stroke();
//--------------------------------------
// Create a combined graph
//--------------------------------------
$mgraph = new MGraph();
$mgraph->Add($graph, 0, 0);
$mgraph->Add($t_legend, 0, $t_gantt_chart_height + $t_legend_height);
$mgraph->Stroke();
}
}