require_api('authentication_api.php'); require_api('compress_api.php'); require_api('config_api.php'); require_api('graphviz_api.php'); require_api('workflow_api.php'); auth_ensure_user_authenticated(); if (!config_get('relationship_graph_enable')) { access_denied(); } compress_enable(); $t_status_arr = MantisEnum::getAssocArrayIndexedByValues(config_get('status_enum_string')); $t_graph_fontname = config_get('relationship_graph_fontname'); $t_graph_fontsize = config_get('relationship_graph_fontsize'); $t_graph_fontpath = get_font_path(); $t_dot_tool = config_get('dot_tool'); $t_graph_attributes = array(); if (!empty($t_graph_fontpath)) { $t_graph_attributes['fontpath'] = $t_graph_fontpath; } $t_graph = new Graph('workflow', $t_graph_attributes, $t_dot_tool); $t_graph->set_default_node_attr(array('fontname' => $t_graph_fontname, 'fontsize' => $t_graph_fontsize, 'shape' => 'record', 'style' => 'filled', 'height' => '0.2', 'width' => '0.4')); $t_graph->set_default_edge_attr(array('style' => 'solid', 'color' => '#0000C0', 'dir' => 'forward')); foreach ($t_status_arr as $t_from_status => $t_from_label) { $t_enum_status = MantisEnum::getAssocArrayIndexedByValues(config_get('status_enum_string')); foreach ($t_enum_status as $t_to_status_id => $t_to_status_label) { if (workflow_transition_edge_exists($t_from_status, $t_to_status_id)) { $t_graph->add_edge(string_no_break(MantisEnum::getLabel(lang_get('status_enum_string'), $t_from_status)), string_no_break(MantisEnum::getLabel(lang_get('status_enum_string'), $t_to_status_id)), array()); } } } $t_graph->output('png', true);
function handle_render_request($request) { $graph = new Graph(); /* Assign the requested graph direction and export format */ $graph->set_direction($request["direction"]); $graph->set_export_format($request["export"]); /* Add each node and set its shape */ foreach ($request["nodes"] as $node) { $graph->add_node($node["name"]); $graph->set_node_shape($node["name"], $node["shape"]); } /* Add each edge */ foreach ($request["edges"] as $edge) { $graph->add_edge($edge["origin"], $edge["destination"], $edge["label"]); } /* Export each graph and lookup it's mediatype */ error_log($graph->compile()); $binary = $graph->export(); $mediatype = export_media_type($request); $encoding = base64_encode($binary); $response = array("mediatype" => $mediatype, "encoding" => $encoding); return $response; }