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| − | <?php
| + | {{svn|extensions|Workflow/Workflow.php}} |
| − | # Extension:Workflow{{Category:Extensions|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','0.0.0, 2007-10-06');
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| − | | |
| − | $wgWorkflowMagic = "tag";
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| − | $wgExtensionFunctions[] = 'wfSetupWorkflow';
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| − | $wgHooks['LanguageGetMagic'][] = 'wfWorkflowLanguageGetMagic';
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| − | | |
| − | $wgExtensionCredits['parserhook'][] = array(
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| − | 'name' => 'Workflow',
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| − | 'author' => '[http://www.organicdesign.co.nz/nad User:Nad]',
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| − | 'description' => 'Allows dynamic content areas called tags which can be switched between pre-selected states by clicking. The states can contain normal content such as images and categorisation links.',
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| − | 'url' => 'http://www.mediawiki.org/wiki/Extension:Workflow',
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| − | 'version' => WORKFLOW_VERSION
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| − | );
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| − | | |
| − | # If it's a workflow-related ajax call, don't use dispatcher (because we need the catlinks generated by normal page render)
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| − | if ($wgUseAjax && $_REQUEST['action'] == 'ajax' && $_REQUEST['rs'] == 'wfWorkflowUpdateTag' && is_array($_REQUEST['rsargs'])) {
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| − | list($_REQUEST['title'],$wgWorkflowTagID,$wgWorkflowTagState) = $_REQUEST['rsargs'];
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| − | $wgHooks['OutputPageBeforeHTML'][] = 'wfWorkflowReturnCatlinks';
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| − | $wgWorkflowUpdateTag = true;
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| − | $_REQUEST['action'] = 'render';
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| − | } else $wgWorkflowUpdateTag = false;
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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 wfWorkflowExpandTag() {
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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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| − | | |
| − | # Extract reserved parameters
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| − | $id = isset($argv['id']) ? $argv['id'] : uniqid();
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| − | unset($argv['id']);
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| − | $state = isset($argv['state']) ? $argv['state'] : 0;
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| − | unset($argv['state']);
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| − | $format = isset($argv['format']) ? $argv['format'] : 'tag';
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| − | unset($argv['format']);
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| − | $class = isset($argv['class']) ? $argv['class'] : "workflow-$format";
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| − | unset($argv['class']);
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| − | $location = isset($argv['location']) ? $argv['format'] : 'inline';
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| − | unset($argv['location']);
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| − | $options = isset($argv['options']) ? $argv['format'] : '';
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| − | unset($argv['options']);
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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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| − | $text = '';
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| − | foreach ($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 $text;
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| − | }
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| − | | |
| − | # Update a tag state in an article
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| − | function wfWorkflowUpdateTag($pagename,$id,$state) {
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| − | global $wgWorkflowMagic,$wgWorkflowTagState;
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| − | $title = Title:newFromtext($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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| − | $wgWorkflowTagState = $state;
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| − | preg_replace_callback("/\\{\\{#$wgWorkflowMagic:.*?id\\s*=\\s*['\"]?$id\\W.*?\\}\\}/s",'wfWorkflowUpdateTagCallback,$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 wfWorkflowUpdateTagCallback($m) {
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| − | global $wgWorkflowMagic,$wgWorkflowTagState;
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| − | $m[0] = preg_replace("/(state\\s*=\\s*['\"]?)\\w+/","$1$wgWorkflowTagState",$m[0],1,$count);
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| − | if ($count < 1) $m[0] = preg_replace("/(\\{\\{#$wgWorkflowMagic:/","$0state=$wgWorkflowTagState|",$m[0]);
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| − | return $m[0];
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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 wfWorkflowReturnCatlinks() {
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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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| − | | |
| − | # Called from $wgExtensionFunctions array when initialising extensions
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| − | function wfSetupWorkflow() {
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| − | global $wgParser,$wgWorkflowMagic,$wgWorkflowUpdateTag;
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| − | $wgParser->setFunctionHook($wgWorkflowMagic,'wfWorkflowExpandTag');
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| − | if ($wgWorkflowUpdateTag) wfWorkflowUpdateTag($_REQUEST['title'],$wgWorkflowTagID,$wgWorkflowTagState);
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| − | }
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| − | | |
| − | # Needed in MediaWiki >1.8.0 for magic word hooks to work properly
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| − | function wfWorkflowLanguageGetMagic(&$magicWords,$langCode = 0) {
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| − | global $wgWorkflowMagic;
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| − | $magicWords[$wgWorkflowMagic] = array(0,$wgWorkflowMagic);
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| − | return true;
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| − | }
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| − | ?>
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