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/*!
* JavaScript for signup form.
*/
( function ( mw, $ ) {
// When sending password by email, hide the password input fields.
$( function () {
// Always required if checked, otherwise it depends, so we use the original
var $emailLabel = $( 'label[for="wpEmail"]' ),
originalText = $emailLabel.text(),
requiredText = mw.message( 'createacct-emailrequired' ).text(),
$createByMailCheckbox = $( '#wpCreateaccountMail' ),
$beforePwds = $( '.mw-row-password:first' ).prev(),
$pwds;
function updateForCheckbox() {
var checked = $createByMailCheckbox.prop( 'checked' );
if ( checked ) {
$pwds = $( '.mw-row-password' ).detach();
$emailLabel.text( requiredText );
} else {
if ( $pwds ) {
$beforePwds.after( $pwds );
$pwds = null;
}
$emailLabel.text( originalText );
}
}
$createByMailCheckbox.on( 'change', updateForCheckbox );
updateForCheckbox();
} );
// Check if the username is invalid or already taken
$( function () {
var
// We need to hook to all of these events to be sure we are notified of all changes to the
// value of an <input type=text> field.
events = 'keyup keydown change mouseup cut paste focus blur',
$input = $( '#wpName2' ),
$statusContainer = $( '#mw-createacct-status-area' ),
api = new mw.Api(),
currentRequest;
// Hide any present status messages.
function clearStatus() {
$statusContainer.slideUp( function () {
$statusContainer
.removeAttr( 'class' )
.empty();
} );
}
// Returns a promise receiving a { state:, username: } object, where:
// * 'state' is one of 'invalid', 'taken', 'ok'
// * 'username' is the validated username if 'state' is 'ok', null otherwise (if it's not
// possible to register such an account)
function checkUsername( username ) {
// We could just use .then() if we didn't have to pass on .abort()…
var d, apiPromise;
d = $.Deferred();
apiPromise = api.get( {
action: 'query',
list: 'users',
ususers: username // '|' in usernames is handled below
} )
.done( function ( resp ) {
var userinfo = resp.query.users[ 0 ];
if ( resp.query.users.length !== 1 ) {
// Happens if the user types '|' into the field
d.resolve( { state: 'invalid', username: null } );
} else if ( userinfo.invalid !== undefined ) {
d.resolve( { state: 'invalid', username: null } );
} else if ( userinfo.userid !== undefined ) {
d.resolve( { state: 'taken', username: null } );
} else {
d.resolve( { state: 'ok', username: username } );
}
} )
.fail( d.reject );
return d.promise( { abort: apiPromise.abort } );
}
function updateUsernameStatus() {
var
username = $.trim( $input.val() ),
currentRequestInternal;
// Abort any pending requests.
if ( currentRequest ) {
currentRequest.abort();
}
if ( username === '' ) {
clearStatus();
return;
}
currentRequest = currentRequestInternal = checkUsername( username ).done( function ( info ) {
var message;
// Another request was fired in the meantime, the result we got here is no longer current.
// This shouldn't happen as we abort pending requests, but you never know.
if ( currentRequest !== currentRequestInternal ) {
return;
}
// If we're here, then the current request has finished, avoid calling .abort() needlessly.
currentRequest = undefined;
if ( info.state === 'ok' ) {
clearStatus();
} else {
if ( info.state === 'invalid' ) {
message = mw.message( 'noname' ).text();
} else if ( info.state === 'taken' ) {
message = mw.message( 'userexists' ).text();
}
$statusContainer
.attr( 'class', 'errorbox' )
.empty()
.append(
// Ugh…
// @todo Change the HTML structure in includes/templates/Usercreate.php
$( '<strong>' ).text( mw.message( 'createacct-error' ).text() ),
$( '<br>' ),
document.createTextNode( message )
)
.slideDown();
}
} ).fail( function () {
clearStatus();
} );
}
$input.on( events, $.debounce( 1000, updateUsernameStatus ) );
} );
}( mediaWiki, jQuery ) );
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