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− | <?php
| + | {{svn|extensions|Workflow/Workflow.php}} |
− | # Extension:Workflow{{Category:Extensions|Workflow}}{{Category:Code that uses voodoo|Workflow}}{{php}}
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− | # - Licenced under LGPL (http://www.gnu.org/copyleft/lesser.html)
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− | # - Author: [http://www.organicdesign.co.nz/nad User:Nad]{{Category:Extensions created with Template:Extension}}
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− | # - Started: 2007-10-06
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− | | |
− | if (!defined('MEDIAWIKI')) die('Not an entry point.');
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− | | |
− | define('WORKFLOW_VERSION','0.0.2, 2007-10-24');
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− | | |
− | $wgWorkflowMagic = "workflow";
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− | | |
− | $wgExtensionCredits['parserhook'][] = array(
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− | 'name' => 'Workflow',
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− | 'author' => '[http://www.organicdesign.co.nz/nad User:Nad]',
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− | 'description' => 'Adds the ability for articles to be part of workflow sequences and easily moved dynamically between phases in the sequence using AJAX.',
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− | 'url' => 'http://www.mediawiki.org/wiki/Extension:Workflow',
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− | 'version' => WORKFLOW_VERSION
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− | );
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− | | |
− | class Workflow {
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− | | |
− | var $magic;
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− | var $state;
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− | var $name;
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− | var $pagename;
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− | var $update;
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− | | |
− | # Constructor
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− | function Workflow() {
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− | global $wgHooks,$wgExtensionFunctions,$wgWorkflowMagic;
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− | $wgExtensionFunctions[] = array($this,'init');
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− | $wgHooks['LanguageGetMagic'][] = array($this,'languageGetMagic');
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− | $this->bypassAjaxDispatcher();
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− | $this->magic = $wgWorkflowMagic;
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− | $this->pagename = $_REQUEST['title'];
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− | }
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− | | |
− | # Called from $wgExtensionFunctions array when initialising extensions
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− | function init() {
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− | global $wgParser,$wgWorkflowMagic,$wgWorkflowUpdateState;
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− | $wgParser->setFunctionHook($wgWorkflowMagic,array($this,'expandMagic'));
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− | if ($this->update) $this->updateState();
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− | }
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− | | |
− | # Expand the #tags to reveal the current state and hide the others and add javascript
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− | # - note the hidden states mustn't be rendered because they contain categorisation links which shouldn't be processed
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− | function expandMagic() {
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− | | |
− | # Extend catlinks information to include workflows
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− | $this->extendCatlinks();
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− | | |
− | # Populate $argv with both named and numeric parameters
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− | $argv = array();
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− | $items = array();
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− | foreach (func_get_args() as $arg) if (!is_object($arg)) {
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− | if (preg_match('/^(.+?)\\s*=\\s*(.+)$/',$arg,$match)) $argv[$match[1]] = $match[2]; else $argv[] = $arg;
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− | }
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− | | |
− | # Render the visible item
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− | # - could also render all non-visible items here too, but with a cloned parser object so that the categorisation doesn't occur
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− | # - that way the JS can instantly cycle through all rendered states, then set new state and get updated catlinks via ajax
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− | $text = 'done';
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− | foreach ($argv as $k => $v) {
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− | if ($format == 'tag') {
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− | $text = "<div class='$class' id='$id'>\n$text</div>";
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− | }
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− | elseif ($format == 'list') {
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− | $text .= "<div class='$class item' id='$k'>$v</div>\n";
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− | $text = "<div class='$class' id='$id'>\n$text</div>";
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− | }
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− | }
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− | | |
− | return $text;
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− | }
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− | | |
− | # Update a tag state in an article
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− | function updateState() {
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− | $title = Title::newFromtext($this->pagename);
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− | if (is_object($title) && $title->exists()) {
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− | $article = new Article($title);
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− | $text = $article->getContent();
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− | preg_replace_callback("/\\{\\{#{$this->magic}:.*?id\\s*=\\s*['\"]?$id\\W.*?\\}\\}/s",array($this,'updateStateCallback'),$text,1,$count);
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− | if ($count) $article->updateArticle($text,"summary",false,false);
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− | }
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− | }
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− | | |
− | # Replacement callback for updating tag state
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− | function updateStateCallback($m) {
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− | $m[0] = preg_replace("/(state\\s*=\\s*['\"]?)\\w+/","$1{$this->state}",$m[0],1,$count);
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− | if ($count < 1) $m[0] = preg_replace("/(\\{\\{#{$this->magic}:/","$0state=${$this->state}|",$m[0]);
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− | return $m[0];
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− | }
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− | | |
− | # Extend catlinks information to include workflows
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− | function extendCatlinks() {
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− | static $done = 0;
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− | if ($done++) return;
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− | global $wgUser;
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− | $skin = $wgUser->getSkin();
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− | | |
− | # Create a new Skin class (WorkflowSkin) by extending the existing one with overridden getCategoryLinks method
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− | $class = get_class($skin);
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− | eval("class WorkflowSkin extends {$class} ".'{
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− | function getCategoryLinks() {
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− | $catlinks = parent::getCategoryLinks();
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− | $catlinks .= "<br>foo";
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− | return $catlinks;
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− | }
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− | }');
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− | | |
− | # Replace user's skin with a WorkflowSkin replica
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− | $wgUser->mSkin = new WorkflowSkin();
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− | foreach (array_keys(get_class_vars($class)) as $k) $wgUser->mSkin->$k = $skin->$k;
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− | }
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− | | |
− | # Return just the catlinks to the client after updating a tag state
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− | function returnCatlinks() {
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− | global $wgUser,$wgOut;
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− | $skin = $wgUser->getSkin();
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− | $catlinks = is_object($skin) ? $skin->getCategoryLinks() : 'Error: no skin!';
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− | $wgOut->disable();
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− | while(@ob_end_clean());
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− | if (in_array('Content-Encoding: gzip',headers_list())) $catlinks = gzencode($catlinks);
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− | echo($catlinks);
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− | return false;
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− | }
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− | | |
− | # If it's a workflow-related ajax call, don't use dispatcher (because we need the catlinks generated by normal page render)
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− | function bypassAjaxDispatcher() {
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− | global $wgUseAjax,$wgHooks;
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− | if ($wgUseAjax && $_REQUEST['action'] == 'ajax' && $_REQUEST['rs'] == $this->magic && is_array($_REQUEST['rsargs'])) {
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− | list($_REQUEST['title'],$this->name,$this->state) = $_REQUEST['rsargs'];
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− | $wgHooks['OutputPageBeforeHTML'][] = array($this,'returnCatlinks');
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− | $this->update = true;
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− | $_REQUEST['action'] = 'render';
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− | }
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− | else $this->update = false;
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− | }
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− | | |
− | # Needed in some versions to prevent Special:Version from breaking
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− | function __toString() { return 'Workflow'; }
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− | | |
− | # Set up the magic words
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− | function languageGetMagic(&$magicWords,$langCode = 0) {
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− | $magicWords[$this->magic] = array(0,$this->magic);
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− | return true;
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− | }
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− |
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− | }
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− | | |
− | $wgWorkflow = new Workflow();
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− | ?>
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