Current File : //www/varak.net/wiki.varak.net/resources/src/mediawiki.page/mediawiki.page.watch.ajax.js
/**
* Animate watch/unwatch links to use asynchronous API requests to
* watch pages, rather than navigating to a different URI.
*
* @class mw.page.watch.ajax
*/
( function ( mw, $ ) {
// The name of the page to watch or unwatch
var title = mw.config.get( 'wgRelevantPageName' );
/**
* Update the link text, link href attribute and (if applicable)
* "loading" class.
*
* @param {jQuery} $link Anchor tag of (un)watch link
* @param {string} action One of 'watch', 'unwatch'
* @param {string} [state="idle"] 'idle' or 'loading'. Default is 'idle'
*/
function updateWatchLink( $link, action, state ) {
var msgKey, $li, otherAction;
// A valid but empty jQuery object shouldn't throw a TypeError
if ( !$link.length ) {
return;
}
// Invalid actions shouldn't silently turn the page in an unrecoverable state
if ( action !== 'watch' && action !== 'unwatch' ) {
throw new Error( 'Invalid action' );
}
// message keys 'watch', 'watching', 'unwatch' or 'unwatching'.
msgKey = state === 'loading' ? action + 'ing' : action;
otherAction = action === 'watch' ? 'unwatch' : 'watch';
$li = $link.closest( 'li' );
// Trigger a 'watchpage' event for this List item.
// Announce the otherAction value as the first param.
// Used to monitor the state of watch link.
// TODO: Revise when system wide hooks are implemented
if ( state === undefined ) {
$li.trigger( 'watchpage.mw', otherAction );
}
$link
.text( mw.msg( msgKey ) )
.attr( 'title', mw.msg( 'tooltip-ca-' + action ) )
.updateTooltipAccessKeys()
.attr( 'href', mw.util.wikiScript() + '?' + $.param( {
title: title,
action: action
} )
);
// Most common ID style
if ( $li.prop( 'id' ) === 'ca-' + otherAction ) {
$li.prop( 'id', 'ca-' + action );
}
if ( state === 'loading' ) {
$link.addClass( 'loading' );
} else {
$link.removeClass( 'loading' );
}
}
/**
* TODO: This should be moved somewhere more accessible.
*
* @private
* @param {string} url
* @return {string} The extracted action, defaults to 'view'
*/
function mwUriGetAction( url ) {
var action, actionPaths, key, i, m, parts;
// TODO: Does MediaWiki give action path or query param
// precedence? If the former, move this to the bottom
action = mw.util.getParamValue( 'action', url );
if ( action !== null ) {
return action;
}
actionPaths = mw.config.get( 'wgActionPaths' );
for ( key in actionPaths ) {
if ( actionPaths.hasOwnProperty( key ) ) {
parts = actionPaths[ key ].split( '$1' );
for ( i = 0; i < parts.length; i++ ) {
parts[ i ] = mw.RegExp.escape( parts[ i ] );
}
m = new RegExp( parts.join( '(.+)' ) ).exec( url );
if ( m && m[ 1 ] ) {
return key;
}
}
}
return 'view';
}
// Expose public methods
mw.page.watch = {
updateWatchLink: updateWatchLink
};
$( function () {
var $links = $( '.mw-watchlink a, a.mw-watchlink, ' +
'#ca-watch a, #ca-unwatch a, #mw-unwatch-link1, ' +
'#mw-unwatch-link2, #mw-watch-link2, #mw-watch-link1' );
// Allowing people to add inline animated links is a little scary
$links = $links.filter( ':not( #bodyContent *, #content * )' );
$links.click( function ( e ) {
var action, api, $link;
// Start preloading the notification module (normally loaded by mw.notify())
mw.loader.load( 'mediawiki.notification' );
action = mwUriGetAction( this.href );
if ( action !== 'watch' && action !== 'unwatch' ) {
// Could not extract target action from link url,
// let native browsing handle it further
return true;
}
e.preventDefault();
e.stopPropagation();
$link = $( this );
if ( $link.hasClass( 'loading' ) ) {
return;
}
updateWatchLink( $link, action, 'loading' );
api = new mw.Api();
api[ action ]( title )
.done( function ( watchResponse ) {
var otherAction = action === 'watch' ? 'unwatch' : 'watch';
mw.notify( $.parseHTML( watchResponse.message ), {
tag: 'watch-self'
} );
// Set link to opposite
updateWatchLink( $link, otherAction );
// Update the "Watch this page" checkbox on action=edit when the
// page is watched or unwatched via the tab (bug 12395).
$( '#wpWatchthis' ).prop( 'checked', watchResponse.watched !== undefined );
} )
.fail( function () {
var cleanTitle, msg, link;
// Reset link to non-loading mode
updateWatchLink( $link, action );
// Format error message
cleanTitle = title.replace( /_/g, ' ' );
link = mw.html.element(
'a', {
href: mw.util.getUrl( title ),
title: cleanTitle
}, cleanTitle
);
msg = mw.message( 'watcherrortext', link );
// Report to user about the error
mw.notify( msg, {
tag: 'watch-self',
type: 'error'
} );
} );
} );
} );
}( mediaWiki, jQuery ) );
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