mediawiki-extensions-Visual.../modules/ve/init/mw/ve.init.mw.Target.js
Ed Sanders 0b14b0da66 Fixes to permaturely merged browser compatibility checks
See comments on Idc5f4a23a2709264d869a9

Bug: 38128
Change-Id: Ic38992e04b5f3932cf18f2dfc217cd733196efb8
2013-06-05 18:11:59 +02:00

750 lines
21 KiB
JavaScript

/*!
* VisualEditor MediaWiki Initialization Target class.
*
* @copyright 2011-2013 VisualEditor Team and others; see AUTHORS.txt
* @license The MIT License (MIT); see LICENSE.txt
*/
/*global mw */
/**
* Initialization MediaWiki target.
*
* @class
* @extends ve.init.Target
*
* @constructor
* @param {jQuery} $container Conainter to render target into
* @param {string} pageName Name of target page
* @param {number} [revision] Revision ID
*/
ve.init.mw.Target = function VeInitMwTarget( $container, pageName, revision ) {
// Parent constructor
ve.init.Target.call( this, $container );
// Properties
this.pageName = pageName;
this.pageExists = mw.config.get( 'wgArticleId', 0 ) !== 0;
this.oldid = revision || mw.config.get( 'wgCurRevisionId' );
this.editToken = mw.user.tokens.get( 'editToken' );
this.apiUrl = mw.util.wikiScript( 'api' );
this.submitUrl = ( new mw.Uri( mw.util.wikiGetlink( this.pageName ) ) )
.extend( { 'action': 'submit' } );
this.modules = [
mw.config.get( 'wgVisualEditorConfig' ).enableExperimentalCode ?
'ext.visualEditor.experimental' : 'ext.visualEditor.core',
'ext.visualEditor.specialMessages'
]
.concat(
document.createElementNS && document.createElementNS( 'http://www.w3.org/2000/svg', 'svg' ).createSVGRect ?
['ext.visualEditor.viewPageTarget.icons-vector', 'ext.visualEditor.icons-vector'] :
['ext.visualEditor.viewPageTarget.icons-raster', 'ext.visualEditor.icons-raster']
);
this.loading = false;
this.saving = false;
this.serializing = false;
this.submitting = false;
this.baseTimeStamp = null;
this.startTimeStamp = null;
this.doc = null;
this.editNotices = null;
this.remoteNotices = [];
this.localNoticeMessages = [];
this.isMobileDevice = (
'ontouchstart' in window ||
( window.DocumentTouch && document instanceof window.DocumentTouch )
);
};
/**
* @event load
* @param {HTMLDocument} dom
*/
/**
* @event editConflict
*/
/**
* @event save
* @param {string} html
*/
/**
* @event showChanges
* @param {string} diff
*/
/**
* @event noChanges
*/
/**
* @event loadError
* @param {jqXHR|null} jqXHR
* @param {string} status Text status message
* @param {Mixed|null} error HTTP status text
*/
/**
* @event tokenError
* @param {jqXHR|null} jqXHR
* @param {string} status Text status message
* @param {Mixed|null} error HTTP status text
*/
/**
* @event saveError
* @param {jqXHR|null} jqXHR
* @param {string} status Text status message
* @param {Mixed|null} error HTTP status text
*/
/**
* @event showChangesError
* @param {jqXHR|null} jqXHR
* @param {string} status Text status message
* @param {Mixed|null} error HTTP status text
*/
/**
* @event serializeError
* @param {jqXHR|null} jqXHR
* @param {string} status Text status message
* @param {Mixed|null} error HTTP status text
*/
/* Inheritance */
ve.inheritClass( ve.init.mw.Target, ve.init.Target );
/* Static Methods */
/**
* Handle response to a successful load request.
*
* This method is called within the context of a target instance. If successful the DOM from the
* server will be parsed, stored in {this.doc} and then {ve.init.mw.Target.onReady} will be called once
* the modules are ready.
*
* @static
* @method
* @param {Object} response XHR Response object
* @param {string} status Text status message
* @emits loadError
*/
ve.init.mw.Target.onLoad = function ( response ) {
var data = response ? response.visualeditor : null;
if ( !data && !response.error ) {
ve.init.mw.Target.onLoadError.call(
this, null, 'Invalid response in response from server', null
);
} else if ( response.error || data.result === 'error' ) {
if ( response.error.code === 'badtoken' && !this.retriedToken ) {
// Only retry once
this.retriedToken = true;
// Refresh the edit token and try again
this.retryToken();
} else {
ve.init.mw.Target.onLoadError.call( this, null,
response.error.code + ': ' + response.error.info,
null
);
}
} else if ( typeof data.content !== 'string' ) {
ve.init.mw.Target.onLoadError.call(
this, null, 'No HTML content in response from server', null
);
} else {
this.originalHtml = data.content;
this.doc = ve.createDocumentFromHtml( this.originalHtml );
this.remoteNotices = data.notices;
this.baseTimeStamp = data.basetimestamp;
this.startTimeStamp = data.starttimestamp;
// Everything worked, the page was loaded, continue as soon as the module is ready
mw.loader.using( this.modules, ve.bind( ve.init.mw.Target.onReady, this ) );
}
};
/**
* Handle the edit notices being ready for rendering.
*
* @static
* @method
*/
ve.init.mw.Target.onNoticesReady = function () {
var i, len, noticeHtmls, tmp, el;
// Since we're going to parse them, we might as well save these nodes
// so we don't have to parse them again later.
this.editNotices = {};
/* Don't show notices without visible html (bug 43013). */
// This is a temporary container for parsed notices in the <body>.
// We need the elements to be in the DOM in order for stylesheets to apply
// and jquery.visibleText to determine whether a node is visible.
tmp = document.createElement( 'div' );
// The following is essentially display none, but we can't use that
// since then all descendants will be considered invisible too.
tmp.style.cssText = 'position: static; top: 0; width: 0; height: 0; border: 0; visibility: hidden;';
document.body.appendChild( tmp );
// Merge locally and remotely generated notices
noticeHtmls = this.remoteNotices.slice( 0 );
for ( i = 0, len = this.localNoticeMessages.length; i < len; i++ ) {
noticeHtmls.push(
'<p>' + ve.init.platform.getParsedMessage( this.localNoticeMessages[i] ) + '</p>'
);
}
for ( i = 0, len = noticeHtmls.length; i < len; i++ ) {
el = $( '<div>' )
.addClass( 've-init-mw-viewPageTarget-toolbar-editNotices-notice' )
.html( noticeHtmls[i] )
.get( 0 );
tmp.appendChild( el );
if ( $.getVisibleText( el ).trim() !== '' ) {
this.editNotices[i] = el;
}
tmp.removeChild( el );
}
document.body.removeChild( tmp );
};
/**
* Handle response to a successful edit token refresh request.
*
* This method is called within the context of a target instance. If successful the token will
* be stored and load() will be called.
*
* @static
* @method
* @param {Object} response XHR Response object
* @param {string} status Text status message
* @emits tokenError
*/
ve.init.mw.Target.onToken = function ( response ) {
var token = response && response.tokens && response.tokens.edittoken;
if ( token ) {
this.editToken = token;
mw.user.tokens.set( 'editToken', token );
this.loading = false; // Otherwise this.load() doesn't do anything
this.load();
} else if ( !response.error ) {
ve.init.mw.Target.onTokenError.call(
this, null, 'Invalid response in response from server', null
);
} else {
ve.init.mw.Target.onTokenError.call( this, null,
response.error.code + ': ' + response.error.info,
null
);
}
};
/**
* Handle both DOM and modules being loaded and ready.
*
* This method is called within the context of a target instance.
*
* @static
* @method
* @emits load
*/
ve.init.mw.Target.onReady = function () {
// We need to wait until onReady as local notices may require special messages
ve.init.mw.Target.onNoticesReady.call( this );
this.loading = false;
this.emit( 'load', this.doc );
};
/**
* Handle an unsuccessful load request.
*
* This method is called within the context of a target instance.
*
* @static
* @method
* @param {Object} jqXHR
* @param {string} status Text status message
* @param {Mixed} error HTTP status text
* @emits loadError
*/
ve.init.mw.Target.onLoadError = function ( jqXHR, status, error ) {
this.loading = false;
this.emit( 'loadError', jqXHR, status, error );
};
/**
* Handle an unsuccessful token refresh request.
*
* This method is called within the context of a target instance.
*
* @param {Object} jqXHR
* @param {string} status Text status message
* @param {Mixed} error HTTP status text
* @emits tokenError
*/
ve.init.mw.Target.onTokenError = function ( jqXHR, status, error ) {
this.loading = false;
this.emit( 'tokenError', jqXHR, status, error );
};
/**
* Handle a successful save request.
*
* This method is called within the context of a target instance.
*
* @static
* @method
* @param {Object} response Response data
* @param {string} status Text status message
* @emits editConflict
* @emits save
*/
ve.init.mw.Target.onSave = function ( response ) {
this.saving = false;
var data = response.visualeditor;
if ( !data && !response.error ) {
ve.init.mw.Target.onSaveError.call( this, null, 'Invalid response from server', null );
} else if ( response.error ) {
if (response.error.code === 'editconflict' ) {
this.emit( 'editConflict' );
} else {
ve.init.mw.Target.onSaveError.call(
this, null, 'Unsuccessful request: ' + response.error.info, null
);
}
} else if ( data.result !== 'success' ) {
ve.init.mw.Target.onSaveError.call( this, null, 'Failed request: ' + data.result, null );
} else if ( typeof data.content !== 'string' ) {
ve.init.mw.Target.onSaveError.call(
this, null, 'Invalid HTML content in response from server', null
);
} else {
this.emit( 'save', data.content, data.newrevid );
}
};
/**
* Handle an unsuccessful save request.
*
* @static
* @method
* @this ve.init.mw.Target
* @param {Object} jqXHR
* @param {string} status Text status message
* @param {Mixed} error HTTP status text
* @emits saveError
*/
ve.init.mw.Target.onSaveError = function ( jqXHR, status, error ) {
this.saving = false;
this.emit( 'saveError', jqXHR, status, error );
};
/**
* Handle a successful show changes request.
*
* @static
* @method
* @param {Object} response API response data
* @param {string} status Text status message
* @emits showChanges
* @emits noChanges
*/
ve.init.mw.Target.onShowChanges = function ( response ) {
var data = response.visualeditor;
if ( !data && !response.error ) {
ve.init.mw.Target.onShowChangesError.call( this, null, 'Invalid response from server', null );
} else if ( response.error ) {
ve.init.mw.Target.onShowChangesError.call(
this, null, 'Unsuccessful request: ' + response.error.info, null
);
} else if ( data.result === 'nochanges' ) {
this.emit( 'noChanges' );
} else if ( data.result !== 'success' ) {
ve.init.mw.Target.onShowChangesError.call( this, null, 'Failed request: ' + data.result, null );
} else if ( typeof data.diff !== 'string' ) {
ve.init.mw.Target.onShowChangesError.call(
this, null, 'Invalid HTML content in response from server', null
);
} else {
this.emit( 'showChanges', data.diff );
}
};
/**
* Handle errors during saveChanges action.
*
* @static
* @method
* @this ve.init.mw.Target
* @param {Object} jqXHR
* @param {string} status Text status message
* @param {Mixed} error HTTP status text
* @emits showChangesError
*/
ve.init.mw.Target.onShowChangesError = function ( jqXHR, status, error ) {
this.saving = false;
this.emit( 'showChangesError', jqXHR, status, error );
};
/**
* Handle a successful serialize request.
*
* This method is called within the context of a target instance.
*
* @static
* @method
* @param {Object} data API response data
* @param {string} status Text status message
*/
ve.init.mw.Target.onSerialize = function ( response ) {
this.serializing = false;
var data = response.visualeditor;
if ( !data && !response.error ) {
ve.init.mw.Target.onSerializeError.call( this, null, 'Invalid response from server', null );
} else if ( response.error ) {
ve.init.mw.Target.onSerializeError.call(
this, null, 'Unsuccessful request: ' + response.error.info, null
);
} else if ( data.result === 'error' ) {
ve.init.mw.Target.onSerializeError.call( this, null, 'Server error', null );
} else if ( typeof data.content !== 'string' ) {
ve.init.mw.Target.onSerializeError.call(
this, null, 'No Wikitext content in response from server', null
);
} else {
if ( typeof this.serializeCallback === 'function' ) {
this.serializeCallback( data.content );
delete this.serializeCallback;
}
}
};
/**
* Handle an unsuccessful serialize request.
*
* This method is called within the context of a target instance.
*
* @static
* @method
* @param {jqXHR|null} jqXHR
* @param {string} status Text status message
* @param {Mixed|null} error HTTP status text
* @emits serializeError
*/
ve.init.mw.Target.onSerializeError = function ( jqXHR, status, error ) {
this.serializing = false;
this.emit( 'serializeError', jqXHR, status, error );
};
/* Methods */
/**
* Get HTML to send to Parsoid. This takes a document generated by the converter and
* transplants the head tag from the old document into it, as well as the attributes on the
* html and body tags.
*
* @param {HTMLDocument} newDoc Document generated by ve.dm.Converter. Will be modified.
* @returns {string} Full HTML document
*/
ve.init.mw.Target.prototype.getHtml = function ( newDoc ) {
var i, len, oldDoc = this.doc;
function copyAttributes( from, to ) {
var i, len;
for ( i = 0, len = from.attributes.length; i < len; i++ ) {
to.setAttribute( from.attributes[i].name, from.attributes[i].value );
}
}
// Copy the head from the old document
for ( i = 0, len = oldDoc.head.childNodes.length; i < len; i++ ) {
newDoc.head.appendChild( oldDoc.head.childNodes[i].cloneNode( true ) );
}
// Copy attributes from the old document for the html, head and body
copyAttributes( oldDoc.documentElement, newDoc.documentElement );
copyAttributes( oldDoc.head, newDoc.head );
copyAttributes( oldDoc.body, newDoc.body );
return '<!doctype html>' + ve.properOuterHtml( newDoc.documentElement );
};
/**
* Get DOM data from the Parsoid API.
*
* This method performs an asynchronous action and uses a callback function to handle the result.
*
* A side-effect of calling this method is that it requests {this.modules} be loaded.
*
* @method
* @returns {boolean} Loading has been started
*/
ve.init.mw.Target.prototype.load = function () {
// Prevent duplicate requests
if ( this.loading ) {
return false;
}
// Start loading the module immediately
mw.loader.load( this.modules );
// Load DOM
this.loading = $.ajax( {
'url': this.apiUrl,
'data': {
'action': 'visualeditor',
'paction': 'parse',
'page': this.pageName,
'oldid': this.oldid,
'token': this.editToken,
'format': 'json'
},
'dataType': 'json',
'type': 'POST',
// Wait up to 100 seconds before giving up
'timeout': 100000,
'cache': 'false',
'success': ve.bind( ve.init.mw.Target.onLoad, this ),
'error': ve.bind( ve.init.mw.Target.onLoadError, this )
} );
return true;
};
/**
* Refresh the edit token, then call load()
*/
ve.init.mw.Target.prototype.retryToken = function () {
$.ajax( {
'url': this.apiUrl,
'data': {
'action': 'tokens',
'format': 'json'
},
'dataType': 'json',
'type': 'GET',
'cache': 'false',
'success': ve.bind( ve.init.mw.Target.onToken, this ),
'error': ve.bind( ve.init.mw.Target.onTokenError, this )
} );
};
/**
* Post DOM data to the Parsoid API.
*
* This method performs an asynchronous action and uses a callback function to handle the result.
*
* target.save( dom, { 'summary': 'test', 'minor': true, 'watch': false } );
*
* @method
* @param {HTMLDocument} doc Document to save
* @param {Object} options Saving options
* - {string} summary Edit summary
* - {boolean} minor Edit is a minor edit
* - {boolean} watch Watch the page
* @returns {boolean} Saving has been started
*/
ve.init.mw.Target.prototype.save = function ( doc, options ) {
// Prevent duplicate requests
if ( this.saving ) {
return false;
}
// Save DOM
this.saving = true;
$.ajax( {
'url': this.apiUrl,
'data': {
'format': 'json',
'action': 'visualeditor',
'paction': 'save',
'page': this.pageName,
'oldid': this.oldid,
'basetimestamp': this.baseTimeStamp,
'starttimestamp': this.startTimeStamp,
'html': this.getHtml( doc ),
'token': this.editToken,
'summary': options.summary,
'minor': Number( options.minor ),
'watch': Number( options.watch )
},
'dataType': 'json',
'type': 'POST',
// Wait up to 100 seconds before giving up
'timeout': 100000,
'success': ve.bind( ve.init.mw.Target.onSave, this ),
'error': ve.bind( ve.init.mw.Target.onSaveError, this )
} );
return true;
};
/**
* Post DOM data to the Parsoid API to retreive wikitext diff.
*
* @method
* @param {HTMLDocument} doc Document to compare against (via wikitext)
*/
ve.init.mw.Target.prototype.showChanges = function ( doc ) {
$.ajax( {
'url': this.apiUrl,
'data': {
'format': 'json',
'action': 'visualeditor',
'paction': 'diff',
'page': this.pageName,
'oldid': this.oldid,
'html': this.getHtml( doc ),
// TODO: API required editToken, though not relevant for diff
'token': this.editToken
},
'dataType': 'json',
'type': 'POST',
// Wait up to 100 seconds before giving up
'timeout': 100000,
'success': ve.bind( ve.init.mw.Target.onShowChanges, this ),
'error': ve.bind( ve.init.mw.Target.onShowChangesError, this )
} );
};
/**
* Post DOM data to the Parsoid API.
*
* This method performs a synchronous action and will take the user to a new page when complete.
*
* target.submit( wikitext, { 'summary': 'test', 'minor': true, 'watch': false } );
*
* @method
* @param {string} wikitext Wikitext to submit
* @param {Object} options Saving options
* - {string} summary Edit summary
* - {boolean} minor Edit is a minor edit
* - {boolean} watch Watch the page
* @returns {boolean} Submitting has been started
*/
ve.init.mw.Target.prototype.submit = function ( wikitext, options ) {
// Prevent duplicate requests
if ( this.submitting ) {
return false;
}
// Save DOM
this.submitting = true;
var key,
$form = $( '<form method="post" enctype="multipart/form-data"></form>' ),
params = {
'format': 'text/x-wiki',
'oldid': this.oldid,
'wpStarttime': this.baseTimeStamp,
'wpEdittime': this.startTimeStamp,
'wpTextbox1': wikitext,
'wpSummary': options.summary,
'wpWatchthis': Number( options.watch ),
'wpMinoredit': Number( options.minor ),
'wpEditToken': this.editToken,
'wpSave': 1
};
// Add params as hidden fields
for ( key in params ) {
$form.append( $( '<input type="hidden">' ).attr( { 'name': key, 'value': params[key] } ) );
}
// Submit the form, mimicking a traditional edit
$form.attr( 'action', this.submitUrl ).appendTo( 'body' ).submit();
return true;
};
/**
* Get Wikitext data from the Parsoid API.
*
* This method performs an asynchronous action and uses a callback function to handle the result.
*
* target.serialize(
* dom,
* function ( wikitext ) {
* // Do something with the loaded DOM
* }
* );
*
* @method
* @param {HTMLDocument} doc Document to serialize
* @param {Function} callback Function to call when complete, accepts error and wikitext arguments
* @returns {boolean} Serializing has beeen started
*/
ve.init.mw.Target.prototype.serialize = function ( doc, callback ) {
// Prevent duplicate requests
if ( this.serializing ) {
return false;
}
// Load DOM
this.serializing = true;
this.serializeCallback = callback;
$.ajax( {
'url': this.apiUrl,
'data': {
'action': 'visualeditor',
'paction': 'serialize',
'html': this.getHtml( doc ),
'page': this.pageName,
'oldid': this.oldid,
'token': this.editToken,
'format': 'json'
},
'dataType': 'json',
'type': 'POST',
// Wait up to 100 seconds before giving up
'timeout': 100000,
'cache': 'false',
'success': ve.bind( ve.init.mw.Target.onSerialize, this ),
'error': ve.bind( ve.init.mw.Target.onSerializeError, this )
} );
return true;
};
/**
* Send a problem report to the Parsoid API.
*
* @method
* @param {string} message
*/
ve.init.mw.Target.prototype.reportProblem = function ( message ) {
// Gather reporting information
var now = new Date(),
doc = this.surface.getModel().getDocument(),
editedData = doc.getFullData(),
store = doc.getStore(),
internalList = doc.getInternalList(),
report = {
'title': this.pageName,
'oldid': this.oldid,
'timestamp': now.getTime() + 60000 * now.getTimezoneOffset(),
'message': message,
'diff': this.diffHtml,
'originalHtml': this.originalHtml,
'originalData':
// originalHtml only has the body's HTML for now, see TODO comment in
// ve.init.mw.ViewPageTarget.prototype.setupSurface
// FIXME: need to expand this data before sending it, see bug 47319
ve.dm.converter.getDataFromDom(
ve.createDocumentFromHtml( '<body>' + this.originalHtml + '</body>' ),
store, internalList
).getData(),
'editedData': editedData,
'editedHtml': this.getHtml(
ve.dm.converter.getDomFromData( editedData, store, internalList )
),
'store': doc.data.getUsedStoreValues(),
'wiki': mw.config.get( 'wgDBname' )
};
$.post(
mw.config.get( 'wgVisualEditorConfig' ).reportProblemURL,
{ 'data': JSON.stringify( ve.copyObject( report, ve.convertDomElements ) ) },
function () {
// This space intentionally left blank
},
'text'
);
};