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/**
* Animate watch/unwatch links to use asynchronous API requests to
* watch pages, rather than clicking on links. Requires jQuery.
*/
( function( $ ) {
var $links;
var setLinkText = function( $link, action ) {
if ( action == 'watch' || action == 'unwatch' ) {
// save the accesskey from the title
var keyCommand = $link.attr( 'title' ).match( /\[.*?\]$/ ) ? $link.attr( 'title' ).match( /\[.*?\]$/ )[0] : '';
$link.attr( 'title', mw.msg( 'tooltip-ca-' + action ) + ' ' + keyCommand );
}
if ( $link.data( 'icon' ) ) {
$link.attr( 'alt', mw.msg( action ) );
if ( action == 'watching' || action == 'unwatching' ) {
$link.addClass( 'loading' );
} else {
$link.removeClass( 'loading' );
}
} else {
$link.html( mw.msg( action ) );
}
};
var errorHandler = function( $link ) {
// Reset link text to whatever it was before we switching it to the '(un)watch'+ing message.
setLinkText( $link, $link.data( 'action' ) );
// Format error message
var cleanTitle = mw.config.get( 'wgPageName' ).replace( /_/g, ' ' );
var link = mw.html.element(
'a', {
'href': mw.util.wikiGetlink( mw.config.get( 'wgPageName' ) ),
'title': cleanTitle
}, cleanTitle
);
var msg = mw.msg( 'watcherrortext', link );
// Report to user about the error
mw.util.jsMessage( msg, 'watch' );
};
/**
* Process the result of the API watch action.
*
* @param response Data object from API request.
* @param $link jQuery object of the watch link.
* @return Boolean true on success, false otherwise.
*/
var processResult = function( response, $link ) {
if ( ( 'error' in response ) || !response.watch ) {
errorHandler( $link );
return false;
}
var watchResponse = response.watch;
// To ensure we set the same status for all watch links with the
// same target we trigger a custom event on *all* watch links.
if ( watchResponse.watched !== undefined ) {
$links.trigger( 'mw-ajaxwatch', [watchResponse.title, 'watch', $link] );
} else if ( watchResponse.unwatched !== undefined ) {
$links.trigger( 'mw-ajaxwatch', [watchResponse.title, 'unwatch', $link] );
} else {
// Either we got an error code or it just plain broke.
window.location.href = $link[0].href;
return false;
}
mw.util.jsMessage( watchResponse.message, 'watch' );
// Bug 12395 - update the watch checkbox on edit pages when the
// page is watched or unwatched via the tab.
if ( watchResponse.watched !== undefined ) {
$( '#wpWatchthis' ).attr( 'checked', 'checked' );
} else {
$( '#wpWatchthis' ).removeAttr( 'checked' );
}
return true;
};
$( document ).ready( function() {
$links = $( '.mw-watchlink a, a.mw-watchlink' );
// BC with older skins
$links = $links
.add( '#ca-watch a, #ca-unwatch a, a#mw-unwatch-link1, ' +
'a#mw-unwatch-link2, a#mw-watch-link2, a#mw-watch-link1' );
// allowing people to add inline animated links is a little scary
$links = $links.filter( ':not( #bodyContent *, #content * )' );
$links.each( function() {
var $link = $( this );
var link = this;
$link
.data( 'icon', $link.closest( 'li' ).hasClass( 'icon' ) )
.data( 'action', mw.util.getParamValue( 'action', link.href ) == 'unwatch' ? 'unwatch' : 'watch' );
var title = mw.util.getParamValue( 'title', link.href );
$link.data( 'target', title.replace( /_/g, ' ' ) );
});
$links.click( function( event ) {
var $link = $( this );
if ( !mw.config.get( 'wgEnableWriteAPI' ) ) {
// Lazy initialization so we don't toss up
// ActiveX warnings on initial page load
// for IE 6 users with security settings.
$links.unbind( 'click' );
return true;
}
setLinkText( $link, $link.data( 'action' ) + 'ing' );
var reqData = {
'action': 'watch',
'format': 'json',
'title': $link.data( 'target' ),
'token': mw.user.tokens.get( 'watchToken' ),
// API return contains a localized data.watch.message string.
'uselang': mw.config.get( 'wgUserLanguage' )
};
if ( $link.data( 'action' ) == 'unwatch' ) {
reqData.unwatch = '';
}
$.ajax({
url: mw.util.wikiScript( 'api' ),
dataType: 'json',
type: 'POST',
data: reqData,
success: function( data, textStatus, xhr ) {
processResult( data, $link );
},
error: function(){
processResult( {}, $link );
}
});
return false;
});
// When a request returns, a custom event 'mw-ajaxwatch' is triggered
// on *all* watch links, so they can be updated if necessary
$links.bind( 'mw-ajaxwatch', function( event, target, action, $link ) {
var foo = $link.data( 'target' );
if ( $link.data( 'target' ) == target ) {
var otheraction = action == 'watch'
? 'unwatch'
: 'watch';
$link.data( 'action', otheraction );
setLinkText( $link, otheraction );
$link.attr( 'href',
mw.config.get( 'wgScript' )
+ '?title=' + mw.util.wikiUrlencode( mw.config.get( 'wgPageName' ) )
+ '&action=' + otheraction
);
if ( $link.closest( 'li' ).attr( 'id' ) == 'ca-' + action ) {
$link.closest( 'li' ).attr( 'id', 'ca-' + otheraction );
// update the link text with the new message
$link.text( mw.msg( otheraction ) );
}
}
return false;
});
});
})( jQuery );
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