Wikipédia:Scripts/Twinkle/twinklediff.js

//Status.debugLevel = 1;

/**

• Last diff tab, show difference between last revision and the one before
• /

/** TwinkleConfig.toolboxButtons (string) If id defined in this array, the button of the action is located inthe toolbox instead of in the actions bar.

• /

if( typeof( TwinkleConfig.toolboxButtons ) == 'undefined' ) {

TwinkleConfig.toolboxButtons = [];

} function lastdiff() {

if( wgNamespaceNumber >= 0 ) {
var query = {
'title': wgPageName,
'diff': 'cur',
'oldid': 'prev'
};
mw.util.addPortletLink(chooseBox( 'tw-lastdiff', TwinkleConfig.toolboxButtons ), mw.config.get('wgServer') + mw.config.get('wgScriptPath') + '/index.php?' + QueryString.create( query ), 'last', 'tw-lastdiff', 'Show most recent diff' );
}

} $(lastdiff);

var dataXML; var ntitle; var me;

function diffSincePrevUserButton() {

if( wgNamespaceNumber < 0 ) {
return;
}

if( !QueryString.exists( 'diff' ) ) {
// Not diff page
return;
} 

ntitle = getElementsByClassName( document.getElementById('bodyContent'), 'td' , 'diff-ntitle' )[0];

if( !ntitle ) {
// Nothing to see here, move along...
return;
}

var l = mw.util.addPortletLink(chooseBox( 'tw-since', TwinkleConfig.toolboxButtons ), "javascript:diffSincePrevUserInit(false);", 'since', 'tw-since', 'Show difference between last diff and the revision made by previous user' );

var l = mw.util.addPortletLink(chooseBox( 'tw-sincemine', TwinkleConfig.toolboxButtons ), "javascript:diffSincePrevUserInit(true);", 'since mine', 'tw-sincemine', 'Show difference between last diff and my last revision' );

} $(diffSincePrevUserButton);

function diffSincePrevUserInit(me) {

try {
Status.init( document.getElementById('bodyContent') );
var rev = wgCurRevisionId;
var user;
if( me ) {
Status.debug( '"me" is choosen' );
user = wgUserName;
} else if( vandal ) { 
Status.debug( 'vandal ' + vandal + ' already defined' );
// twinklefluff or simlar have already parsed this thingi
user = vandal;
} else {
Status.debug( 'testing 3:rd element' );
user = ntitle.getElementsByTagName('a')[3].firstChild.nodeValue;
Status.debug( '3:rd element: ' + user );
if( user == 'Current revision' ) {
Status.debug( 'testing 6:th element' );
user = ntitle.getElementsByTagName('a')[6].firstChild.nodeValue;
Status.debug( '6:th element: ' + user );
}
}

diffSincePrevUser( user, rev, me );
} catch(e) {
if(e.what){
alert(e.what())
} else {
alert(e);
}
}

}

function diffSincePrevUser( user, rev, pMe ) {

me = pMe;
dataXML = sajax_init_object();

dataXML.overrideMimeType('text/xml');

var query = {
'prop': 'revisions',
'format': 'xml',
'action': 'query',
'titles': wgPageName,
'rvlimit': 50,
'rvprop': 'user',
'rvendid': wgCurRevisionId
};

Status.debug( "Query string:" + QueryString.create( query ), 1 );
Status.status( 'Querying revisions' );

dataXML.open( 'GET', mw.config.get('wgServer') + mw.config.get('wgScriptPath') + "/api.php?" + QueryString.create( query ) , true );

dataXML.onreadystatechange = function() {
if ( dataXML.readyState != 4 ){
Status.progress('.'); 
return;
} 

if( dataXML.status != 200 ){
Status.error('Bad status , bailing out'); 
return;
}
Status.progress(' Done.'); 

var doc = dataXML.responseXML.documentElement;
var revisions = doc.getElementsByTagName('rev');
Status.debug( 'length: ' + revisions.length, 1 );

var curNode = revisions[0];

Status.debug( 'curNode: ' + curNode, 1 );
Status.debug( 'user: ' + user, 1 );
Status.debug( "rev: " + rev, 1 );

var last = null;

Status.status( 'Finding last revision made by user...' );

while( curNode != null ) {
Status.debug( 'curNode: ' + curNode.getAttribute( 'revid' ), 1 );

if( me ) {
if( curNode.getAttribute( 'revid' ) < rev && curNode.getAttribute( 'user' ) == user ) {
Status.debug( "found rev and user", 1 );
last = curNode.getAttribute( 'revid' );
break;
} 
} else {
if( curNode.getAttribute( 'revid' ) < rev && curNode.getAttribute( 'user' ) != user ) {
Status.debug( "found rev and user", 1 );
last = curNode.getAttribute( 'revid' );
break;
} 
}
curNode = curNode.nextSibling;
}

if( last == null ) {
Status.error( [ 'No previous revision found, or ', user , ' is only contributor ' ] );
return;
}

var query = {
'title': wgPageName,
'oldid': last,
'diff': rev
};

window.location = mw.config.get('wgServer') + mw.config.get('wgScriptPath') + '/index.php?' + QueryString.create( query );

};
dataXML.send( null );

}