mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
synced 2024-12-11 05:56:11 +00:00
1af18c3c12
New changes: 6bbcd6a Localisation updates from https://translatewiki.net. b8d8a5b [BREAKING CHANGE] The Great Selection Rewrite of 2014 Local changes: Update to use new selection/range API Change-Id: I5480d5c77d599c93c2d374fac88bb2fdb68b0024
476 lines
12 KiB
JavaScript
476 lines
12 KiB
JavaScript
/*!
|
|
* VisualEditor DataModel MWTransclusionModel class.
|
|
*
|
|
* @copyright 2011-2014 VisualEditor Team and others; see AUTHORS.txt
|
|
* @license The MIT License (MIT); see LICENSE.txt
|
|
*/
|
|
( function () {
|
|
var hasOwn = Object.hasOwnProperty,
|
|
specCache = {};
|
|
|
|
/**
|
|
* MediaWiki transclusion model.
|
|
*
|
|
* @class
|
|
* @mixins OO.EventEmitter
|
|
*
|
|
* @constructor
|
|
*/
|
|
ve.dm.MWTransclusionModel = function VeDmMWTransclusionModel() {
|
|
// Mixin constructors
|
|
OO.EventEmitter.call( this );
|
|
|
|
// Properties
|
|
this.parts = [];
|
|
this.uid = 0;
|
|
this.requests = [];
|
|
this.queue = [];
|
|
};
|
|
|
|
/* Inheritance */
|
|
|
|
OO.mixinClass( ve.dm.MWTransclusionModel, OO.EventEmitter );
|
|
|
|
/* Events */
|
|
|
|
/**
|
|
* @event replace
|
|
* @param {ve.dm.MWTransclusionPartModel|null} removed Removed part
|
|
* @param {ve.dm.MWTransclusionPartModel|null} added Added part
|
|
*/
|
|
|
|
/**
|
|
* @event change
|
|
*/
|
|
|
|
/* Methods */
|
|
|
|
/**
|
|
* Insert transclusion at the end of a surface fragment.
|
|
*
|
|
* @param {ve.dm.SurfaceFragment} surfaceModel Surface fragment to insert at
|
|
*/
|
|
ve.dm.MWTransclusionModel.prototype.insertTransclusionNode = function ( surfaceFragment ) {
|
|
surfaceFragment
|
|
.insertContent( [
|
|
{
|
|
type: 'mwTransclusionInline',
|
|
attributes: {
|
|
mw: this.getPlainObject()
|
|
}
|
|
},
|
|
{ type: '/mwTransclusionInline' }
|
|
] );
|
|
};
|
|
|
|
/**
|
|
* Update transclusion node in a document.
|
|
*
|
|
* @param {ve.dm.Surface} surfaceModel Surface model of main document
|
|
* @param {ve.dm.MWTransclusionNode} node Transclusion node to update
|
|
*/
|
|
ve.dm.MWTransclusionModel.prototype.updateTransclusionNode = function ( surfaceModel, node ) {
|
|
var obj = this.getPlainObject();
|
|
|
|
if ( obj !== null ) {
|
|
surfaceModel.getLinearFragment( node.getOuterRange(), true )
|
|
.changeAttributes( { mw: obj } );
|
|
} else {
|
|
surfaceModel.getLinearFragment( node.getOuterRange(), true )
|
|
.removeContent();
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Load from transclusion data, and fetch spec from server.
|
|
*
|
|
* @param {Object} data Transclusion data
|
|
* @returns {jQuery.Promise} Promise, resolved when spec is loaded
|
|
*/
|
|
ve.dm.MWTransclusionModel.prototype.load = function ( data ) {
|
|
var i, len, part, deferred,
|
|
promises = [];
|
|
|
|
// Convert single part format to multi-part format
|
|
// Parsoid doesn't use this format any more, but we accept it for backwards compatibility
|
|
if ( data.params && data.target ) {
|
|
data = { parts: [ { template: data } ] };
|
|
}
|
|
|
|
if ( Array.isArray( data.parts ) ) {
|
|
for ( i = 0, len = data.parts.length; i < len; i++ ) {
|
|
part = data.parts[i];
|
|
if ( part.template ) {
|
|
deferred = $.Deferred();
|
|
promises.push( deferred.promise() );
|
|
this.queue.push( {
|
|
add: ve.dm.MWTemplateModel.newFromData( this, part.template ),
|
|
deferred: deferred
|
|
} );
|
|
} else if ( typeof part === 'string' ) {
|
|
deferred = $.Deferred();
|
|
promises.push( deferred.promise() );
|
|
this.queue.push( {
|
|
add: new ve.dm.MWTransclusionContentModel( this, part, 'data' ),
|
|
deferred: deferred
|
|
} );
|
|
}
|
|
}
|
|
setTimeout( this.fetch.bind( this ) );
|
|
}
|
|
|
|
return $.when.apply( $, promises );
|
|
};
|
|
|
|
/**
|
|
* Process one or more queue items.
|
|
*
|
|
* @param {Object[]} queue List of objects containing parts to add and optionally indexes to add
|
|
* them at, if no index is given parts will be added at the end
|
|
* @fires replace For each item added
|
|
* @fires change
|
|
*/
|
|
ve.dm.MWTransclusionModel.prototype.process = function ( queue ) {
|
|
var i, len, item, title, index, remove, existing;
|
|
|
|
for ( i = 0, len = queue.length; i < len; i++ ) {
|
|
remove = 0;
|
|
item = queue[i];
|
|
|
|
if ( item.add instanceof ve.dm.MWTemplateModel ) {
|
|
title = item.add.getTitle();
|
|
if ( hasOwn.call( specCache, title ) && specCache[title] ) {
|
|
item.add.getSpec().extend( specCache[title] );
|
|
}
|
|
}
|
|
|
|
// Use specified index
|
|
index = item.index;
|
|
// Auto-remove if already existing, preserving index
|
|
existing = ve.indexOf( item.add, this.parts );
|
|
if ( existing !== -1 ) {
|
|
this.removePart( item.add );
|
|
if ( index && existing + 1 < index ) {
|
|
index--;
|
|
}
|
|
}
|
|
// Derive index from removal if given
|
|
if ( index === undefined && item.remove ) {
|
|
index = ve.indexOf( item.remove, this.parts );
|
|
if ( index !== -1 ) {
|
|
remove = 1;
|
|
}
|
|
}
|
|
// Use last index as a last resort
|
|
if ( index === undefined || index === -1 ) {
|
|
index = this.parts.length;
|
|
}
|
|
|
|
this.parts.splice( index, remove, item.add );
|
|
if ( item.add ) {
|
|
item.add.connect( this, { change: [ 'emit', 'change' ] } );
|
|
}
|
|
if ( item.remove ) {
|
|
item.remove.disconnect( this );
|
|
}
|
|
this.emit( 'replace', item.remove || null, item.add );
|
|
|
|
// Resolve promises
|
|
if ( item.deferred ) {
|
|
item.deferred.resolve();
|
|
}
|
|
}
|
|
this.emit( 'change' );
|
|
};
|
|
|
|
/** */
|
|
ve.dm.MWTransclusionModel.prototype.fetch = function () {
|
|
if ( !this.queue.length ) {
|
|
return;
|
|
}
|
|
|
|
var i, len, item, title, request,
|
|
titles = [],
|
|
specs = {},
|
|
queue = this.queue.slice();
|
|
|
|
// Clear shared queue for future calls
|
|
this.queue.length = 0;
|
|
|
|
// Get unique list of template titles that aren't already loaded
|
|
for ( i = 0, len = queue.length; i < len; i++ ) {
|
|
item = queue[i];
|
|
if ( item.add instanceof ve.dm.MWTemplateModel ) {
|
|
title = item.add.getTitle();
|
|
if (
|
|
// Skip titles that don't have a resolvable href
|
|
title &&
|
|
// Skip titles outside the template namespace
|
|
title.charAt( 0 ) !== ':' &&
|
|
// Skip already cached data
|
|
!hasOwn.call( specCache, title ) &&
|
|
// Skip duplicate titles in the same batch
|
|
ve.indexOf( title, titles ) === -1
|
|
) {
|
|
titles.push( title );
|
|
}
|
|
}
|
|
}
|
|
|
|
// Bypass server for empty lists
|
|
if ( !titles.length ) {
|
|
setTimeout( this.process.bind( this, queue ) );
|
|
return;
|
|
}
|
|
|
|
// Request template specs from server
|
|
request = ve.init.target.constructor.static.apiRequest( {
|
|
action: 'templatedata',
|
|
titles: titles.join( '|' ),
|
|
lang: mw.config.get( 'wgUserLanguage' ),
|
|
redirects: '1'
|
|
} )
|
|
.done( function ( data ) {
|
|
var i, len, id, aliasMap = [];
|
|
|
|
if ( data && data.pages ) {
|
|
// Keep spec data on hand for future use
|
|
for ( id in data.pages ) {
|
|
specs[data.pages[id].title] = data.pages[id];
|
|
}
|
|
// Follow redirects
|
|
if ( data.redirects ) {
|
|
aliasMap = data.redirects;
|
|
}
|
|
// Follow MW's normalisation
|
|
if ( data.normalized ) {
|
|
aliasMap.push.apply( aliasMap, data.normalized );
|
|
}
|
|
// Cross-reference aliased titles.
|
|
for ( i = 0, len = aliasMap.length; i < len; i++ ) {
|
|
// Only define the alias if the target exists, otherwise
|
|
// we create a new property with an invalid "undefined" value.
|
|
if ( hasOwn.call( specs, aliasMap[i].to ) ) {
|
|
specs[aliasMap[i].from] = specs[aliasMap[i].to];
|
|
}
|
|
}
|
|
|
|
// Prevent asking again for templates that have no specs
|
|
for ( i = 0, len = titles.length; i < len; i++ ) {
|
|
title = titles[i];
|
|
if ( !specs[title] ) {
|
|
specs[title] = null;
|
|
}
|
|
}
|
|
|
|
ve.extendObject( specCache, specs );
|
|
}
|
|
} )
|
|
.always( function () {
|
|
// Prune completed request
|
|
var index = ve.indexOf( request, this.requests );
|
|
if ( index !== -1 ) {
|
|
this.requests.splice( index, 1 );
|
|
}
|
|
// Actually add queued items
|
|
this.process( queue );
|
|
}.bind( this ) );
|
|
|
|
this.requests.push( request );
|
|
};
|
|
|
|
/**
|
|
* Abort any pending requests.
|
|
*/
|
|
ve.dm.MWTransclusionModel.prototype.abortRequests = function () {
|
|
var i, len;
|
|
|
|
for ( i = 0, len = this.requests.length; i < len; i++ ) {
|
|
this.requests[i].abort();
|
|
}
|
|
this.requests.length = 0;
|
|
};
|
|
|
|
/**
|
|
* Get plain object representation of template transclusion.
|
|
*
|
|
* @returns {Object|null} Plain object representation, or null if empty
|
|
*/
|
|
ve.dm.MWTransclusionModel.prototype.getPlainObject = function () {
|
|
var i, len, part, serialization,
|
|
obj = { parts: [] };
|
|
|
|
for ( i = 0, len = this.parts.length; i < len; i++ ) {
|
|
part = this.parts[i];
|
|
serialization = part.serialize();
|
|
if ( serialization !== undefined ) {
|
|
obj.parts.push( serialization );
|
|
}
|
|
}
|
|
|
|
if ( obj.parts.length === 0 ) {
|
|
return null;
|
|
}
|
|
|
|
return obj;
|
|
};
|
|
|
|
/**
|
|
* Get the wikitext for this transclusion.
|
|
*
|
|
* @returns {string} Wikitext like `{{foo|1=bar|baz=quux}}`
|
|
*/
|
|
ve.dm.MWTransclusionModel.prototype.getWikitext = function () {
|
|
var i, len,
|
|
wikitext = '';
|
|
|
|
for ( i = 0, len = this.parts.length; i < len; i++ ) {
|
|
wikitext += this.parts[i].getWikitext();
|
|
}
|
|
|
|
return wikitext;
|
|
};
|
|
|
|
/**
|
|
* Get a unique ID for a part in the transclusion.
|
|
*
|
|
* This is used to give parts unique IDs, and returns a different value each time it's called.
|
|
*
|
|
* @returns {number} Unique ID
|
|
*/
|
|
ve.dm.MWTransclusionModel.prototype.getUniquePartId = function () {
|
|
return this.uid++;
|
|
};
|
|
|
|
/**
|
|
* Replace part.
|
|
*
|
|
* Replace asynchonously.
|
|
*
|
|
* @param {ve.dm.MWTransclusionPartModel} remove Part to remove
|
|
* @param {ve.dm.MWTransclusionPartModel} add Part to add
|
|
* @throws {Error} If part to remove is not valid
|
|
* @throws {Error} If part to add is not valid
|
|
* @returns {jQuery.Promise} Promise, resolved when part is added
|
|
*/
|
|
ve.dm.MWTransclusionModel.prototype.replacePart = function ( remove, add ) {
|
|
var deferred = $.Deferred();
|
|
if (
|
|
!( remove instanceof ve.dm.MWTransclusionPartModel ) ||
|
|
!( add instanceof ve.dm.MWTransclusionPartModel )
|
|
) {
|
|
throw new Error( 'Invalid transclusion part' );
|
|
}
|
|
this.queue.push( { remove: remove, add: add, deferred: deferred } );
|
|
|
|
// Fetch on next yield to process items in the queue together, subsequent calls to fetch will
|
|
// have no effect because the queue will be clear
|
|
setTimeout( this.fetch.bind( this ) );
|
|
|
|
return deferred.promise();
|
|
};
|
|
|
|
/**
|
|
* Add part.
|
|
*
|
|
* Added asynchronously, but order is preserved.
|
|
*
|
|
* @param {ve.dm.MWTransclusionPartModel} part Part to add
|
|
* @param {number} [index] Specific index to add content at, defaults to the end
|
|
* @throws {Error} If part is not valid
|
|
* @returns {jQuery.Promise} Promise, resolved when part is added
|
|
*/
|
|
ve.dm.MWTransclusionModel.prototype.addPart = function ( part, index ) {
|
|
var deferred = $.Deferred();
|
|
if ( !( part instanceof ve.dm.MWTransclusionPartModel ) ) {
|
|
throw new Error( 'Invalid transclusion part' );
|
|
}
|
|
this.queue.push( { add: part, index: index, deferred: deferred } );
|
|
|
|
// Fetch on next yield to process items in the queue together, subsequent calls to fetch will
|
|
// have no effect because the queue will be clear
|
|
setTimeout( this.fetch.bind( this ) );
|
|
|
|
return deferred.promise();
|
|
};
|
|
|
|
/**
|
|
* Remove a part.
|
|
*
|
|
* @param {ve.dm.MWTransclusionPartModel} part Part to remove
|
|
* @fires replace
|
|
*/
|
|
ve.dm.MWTransclusionModel.prototype.removePart = function ( part ) {
|
|
var index = ve.indexOf( part, this.parts );
|
|
if ( index !== -1 ) {
|
|
this.parts.splice( index, 1 );
|
|
part.disconnect( this );
|
|
this.emit( 'replace', part, null );
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Get all parts.
|
|
*
|
|
* @returns {ve.dm.MWTransclusionPartModel[]} Parts in transclusion
|
|
*/
|
|
ve.dm.MWTransclusionModel.prototype.getParts = function () {
|
|
return this.parts;
|
|
};
|
|
|
|
/**
|
|
* Get part by its ID.
|
|
*
|
|
* Matching is performed against the first section of the `id`, delimited by a '/'.
|
|
*
|
|
* @param {string} id Part ID
|
|
* @returns {ve.dm.MWTransclusionPartModel|null} Part with matching ID, if found
|
|
*/
|
|
ve.dm.MWTransclusionModel.prototype.getPartFromId = function ( id ) {
|
|
var i, len,
|
|
// For ids from ve.dm.MWParameterModel, compare against the part id
|
|
// of the parameter instead of the entire model id (e.g. "part_1" instead of "part_1/foo").
|
|
partId = id.split( '/' )[0];
|
|
|
|
for ( i = 0, len = this.parts.length; i < len; i++ ) {
|
|
if ( this.parts[i].getId() === partId ) {
|
|
return this.parts[i];
|
|
}
|
|
}
|
|
return null;
|
|
};
|
|
|
|
/**
|
|
* Get the index of a part or parameter.
|
|
*
|
|
* Indexes are linear depth-first addresses in the transclusion tree.
|
|
*
|
|
* @param {ve.dm.MWTransclusionPartModel|ve.dm.MWParameterModel} model Part or parameter
|
|
* @returns {number} Page index of model
|
|
*/
|
|
ve.dm.MWTransclusionModel.prototype.getIndex = function ( model ) {
|
|
var i, iLen, j, jLen, part, names,
|
|
parts = this.parts,
|
|
index = 0;
|
|
|
|
for ( i = 0, iLen = parts.length; i < iLen; i++ ) {
|
|
part = parts[i];
|
|
if ( part === model ) {
|
|
return index;
|
|
}
|
|
index++;
|
|
if ( part instanceof ve.dm.MWTemplateModel ) {
|
|
names = part.getParameterNames();
|
|
for ( j = 0, jLen = names.length; j < jLen; j++ ) {
|
|
if ( part.getParameter( names[j] ) === model ) {
|
|
return index;
|
|
}
|
|
index++;
|
|
}
|
|
}
|
|
}
|
|
return -1;
|
|
};
|
|
|
|
}() );
|