MediaWiki:Gadget-watchlist-notice-core.js

 /**
  * Add dismiss buttons to watchlist-message, then unhide it
  * Allows multiple dismiss buttons on [[MediaWiki:Watchlist-messages]] with bumpable cookie IDs (now used for LS).
  * Note: HTML is backwards compatible with old version, new version ignores old syntax, except for dismissed IDs.
  * @author: [[:en:User:Ruud Koot]]
  * @author: [[:en:User:MZMcBride]]
  */
 /*jslint white: true, regexp: true */
 /*global jQuery, mediaWiki */
 (function(mw,$){
 'use strict';

 varstorageKey='hidewatchlistmessages';

 functiongetDismissedNotices(){
 varhiddenNotices=mw.storage.get(storageKey)
 ||mw.storage.session.get(storageKey);

 try{
 returnJSON.parse(hiddenNotices)||[];
 }catch(e){
 return[];
 }
 }

 functionsaveDismissedNotices(notices){
 notices=JSON.stringify(notices);
 mw.storage.set(storageKey,notices)
 ||mw.storage.session.set(storageKey,notices);
 }

 // Remove ids which are no longer defined
 functionexpungeOldNotices(currentList){
 vardismissedNotices=getDismissedNotices(),
 originalLength=dismissedNotices.length;
 for(vari=dismissedNotices.length-1;i>=0;i--){
 if(currentList.indexOf(dismissedNotices[i])===-1){
 dismissedNotices.splice(i,1);
 }
 }
 if(originalLength!==dismissedNotices.length){
 saveDismissedNotices(dismissedNotices);
 }
 }

 functiondismissWatchlistMessage(event){
 var$message=$(this).closest('.watchlist-message');
 varcid=$(this).data('watchlistMessage').cid;
 varnotices=getDismissedNotices();

 $message.hide();

 notices.push(cid);
 saveDismissedNotices(notices);

 event.preventDefault();
 }

 functionaddDismissButton(){
 varwatchItems=$('div.watchlist-message');
 varwatchItemIds=[];
 vardismissedNotices=getDismissedNotices();
 vardismissedNoticesLength=dismissedNotices.length;

 if(watchItems.length===0){
 watchItems=$('li.watchlist-message');
 }
 if(watchItems.length===0){
 return;
 }
 for(vari=0;i<watchItems.length;i++){
 varwatchlistCookieID=parseInt(watchItems[i].className.replace(/.*cookie\-ID\_(\d*).*/ig,'1ドル'));
 if(isNaN(watchlistCookieID)){
 continue;
 }
 watchItemIds.push(watchlistCookieID);
 if(dismissedNotices.indexOf(watchlistCookieID)!==-1){
 watchItems[i].style.display='none';
 continue;
 }
 varButton=document.createElement('span');
 varButtonLink=document.createElement('a');
 varButtonText=document.createTextNode('dismiss');

 ButtonLink.className='dismissButton';
 ButtonLink.setAttribute('href','#');
 ButtonLink.setAttribute('title','Hide this message');
 ButtonLink.appendChild(ButtonText);
 $(ButtonLink).data('watchlistMessage',{
 index:i,
 cid:watchlistCookieID
 });
 $(ButtonLink).click(dismissWatchlistMessage);

 Button.appendChild(document.createTextNode(' ['));
 Button.appendChild(ButtonLink);
 Button.appendChild(document.createTextNode(']'));
 watchItems[i].appendChild(Button);
 }
 expungeOldNotices(watchItemIds);

 $('#watchlist-message').show();
 }

 $(addDismissButton);

 }(mediaWiki,jQuery));