Extension:QuickGV

MediaWiki extensions manual

QuickGV Release status: stable
Implementation	Tag
Description	Generate graph with few code.
Author(s)	Raymond Wu (小璋丸talk)
Latest version	0.3.0 (2025-04-03)
MediaWiki	>=1.31
Database changes	No
License	Apache License 2.0
Download	No link Cache mechanism
Help	Help:Extension:QuickGV
Example	http://www.graphviz.org/Gallery.php
Tags ‎<quickgv>
Hooks used ParserFirstCallInit
Quarterly downloads	0

The QuickGV extension helps you generate graph with few code.

All you have to do is giving the nodes and edges, styles are not necessary.

How to

Just a tag

Default graph.

<quickgv name="nothing" />

Metadata

Default graph and metadata.

<quickgv name="withmeta" showmeta="true"/>

Usage option

ER Model (usage="er")

<quickgv name="ER_Model" usage="er">
   // node 123456789012345678901
   A [label="<fT> user_data | <fPK> [PK] user_id\l | <f0> user_type\l | <f1>gender\l | <f2> country\l | <f3> city\l }"];
   B [label="<fT> user_type | <fPK> [PK] user_type\l | desc\l"];
   C [label="<fT> gender | <fPK> [PK] gender\l | desc\l"];

   // edges
   A:f0 -> B:fPK [label="1 .. N"];
   A:f1 -> C:fPK [label="1 .. N"];
   A:f3 -> A:f2;
</quickgv>

Mindmap (usage="mindmap")

<quickgv name="MM" usage="mindmap">
start = "A";

A [label="Project"];
B1 [label="Budget"];
B2 [label="Risk"];
B3 [label="Members"];

A -> {B1 B2 B3};
</quickgv>

Theme option

Default (theme="default")

<quickgv name="Pointer1" usage="ram">
   A [label="RAM (0x71xx) | 0x710c\l | 0x7108\l | <fsrc> 0x7104 - 0x830c\l (int* a) | 0x7100\l "];
   B [label="RAM (0x83xx) | <fdst> 0x830c - 0x00ff\l | 0x8308\l | 0x8304\l | 0x8300\l"];
   A:fsrc -> B:fdst [label="a = 0x830c;\l*a = 0x00ff;\l"];
</quickgv>

Cold (theme="cold")

<quickgv name="Pointer2" usage="ram" theme="cold">
   A [label="RAM (0x71xx) | 0x710c\l | 0x7108\l | <fsrc> 0x7104 - 0x830c\l (int* a) | 0x7100\l "];
   B [label="RAM (0x83xx) | <fdst> 0x830c - 0x00ff\l | 0x8308\l | 0x8304\l | 0x8300\l"];
   A:fsrc -> B:fdst [label="a = 0x830c;\l*a = 0x00ff;\l"];
</quickgv>

Warm (theme="warm")

<quickgv name="Pointer3" usage="ram" theme="warm">
   A [label="RAM (0x71xx) | 0x710c\l | 0x7108\l | <fsrc> 0x7104 - 0x830c\l (int* a) | 0x7100\l "];
   B [label="RAM (0x83xx) | <fdst> 0x830c - 0x00ff\l | 0x8308\l | 0x8304\l | 0x8300\l"];
   A:fsrc -> B:fdst [label="a = 0x830c;\l*a = 0x00ff;\l"];
</quickgv>

Sakura (theme="sakura")

<quickgv name="Pointer4" usage="ram" theme="sakura">
   A [label="RAM (0x71xx) | 0x710c\l | 0x7108\l | <fsrc> 0x7104 - 0x830c\l (int* a) | 0x7100\l "];
   B [label="RAM (0x83xx) | <fdst> 0x830c - 0x00ff\l | 0x8308\l | 0x8304\l | 0x8300\l"];
   A:fsrc -> B:fdst [label="a = 0x830c;\l*a = 0x00ff;\l"];
</quickgv>

Attribute Reference

Attribute	Available Values	Description
name	RegExp: [a-zA-Z0-9_]+	Name of the graph. (default G)
showmeta	true, false	Set true to show metadata. (default false)
showdot	true, false	Set true to show dot source code. (default false)
theme	default, cold, warm, sakura	See theme option.
usage	default, neato (mindmap), record (er, ram)	See usage option.

Installation

Install repository

Step 1: Install from GitHub

cd /path/to/wiki/extensions
git clone https://github.com/virus-warnning/QuickGV

Install zip package

Step 1: Install from zip package

• Download ZIP package from QuickGV Releases
• unzip package
• rename mw-quickgv to QuickGV

Step 2: Apply this extension

Append following code to LocalSettings.php

require_once("$IP/extensions/QuickGV/QuickGV.php");

Requirements

• Graphviz 2.38 or later
  • OSX: brew install graphviz
  • CentOS: yum install graphviz
  • Ubuntu: sudo apt-get install graphviz
  • Windows: Install from an Installer package (Tested on Win7)
• PHP 5.x, and need these functions
  • exec()
  • proc_open()
  • proc_close()

Changelog

• 0.3.0 (2025-03-03)
  • Fix problems on MW>=1.35
  • Tested on 4 LTS versions 1.31, 1.35, 1.39, 1.43
• 0.2.4 (2016-08-17)
  • Extension registration.
  • JSON format language file.
• 0.2.3 (2016-03-18)
  • Support URL attribute of node, open the link in new tab.
  • Set arrowsize=0.6.
  • Set splines=ortho for usage not set.
  • Set splines=curved for usage="neato".
  • Set splines=spline for usage="record".

The project is hosted at wikimedia.org since 0.2.4, see project dashboard.