mediawiki-extensions-Visual.../modules/ve-mw/dm/models/ve.dm.MWTransclusionModel.js
Thiemo Kreuz 76f563c929 Move .addPromptedParameters() calls to more canonical places
This was done in 3 rather "random" places:
1. Whenever a template is manually added. But rather late, after the
   template was added, in an event handler that is about focus
   behavior. It should not continue to manipulate the template that
   was just added.
2. When the dialog opens with a template preloaded by name, as it is
   done from the citation menu.
3. When the dialog is about to finish loading.

This patch fixes 2 issues:
* Get rid of a duplicate call (number 2 and 3) when using the
  citation menu.
* Move number 1 to a place where it's executed much earlier, and
  only when the user clicks "add template" in a template placeholder.
  There is no other way to add a template to an existing transclusion,
  but it's still a more appropriate place I feel.

Bug: T311069
Change-Id: I8a65ad703b95ba2092e9ef73493e9903e96b0dd6
2022-06-28 08:40:24 +02:00

601 lines
18 KiB
JavaScript

/*!
* VisualEditor DataModel MWTransclusionModel class.
*
* @copyright 2011-2020 VisualEditor Team and others; see AUTHORS.txt
* @license The MIT License (MIT); see LICENSE.txt
*/
( function () {
var hasOwn = Object.hasOwnProperty,
specCache = {};
/**
* Represents a MediaWiki transclusion, i.e. a sequence of one or more template invocations that
* strictly belong to each other (e.g. because they are unbalanced), possibly mixed with raw
* wikitext snippets. These individual "parts" are subclasses of
* {@see ve.dm.MWTransclusionPartModel}.
*
* @class
* @mixins OO.EventEmitter
*
* @constructor
* @param {ve.dm.Document} doc Document to use associate with API requests
* @property {ve.dm.MWTransclusionPartModel[]} parts
* @property {number} uid
* @property {jQuery.Promise[]} templateDataApiRequests Currently running API requests. The only
* reason to keep these around is to be able to abort them earlier when the template dialog
* closes or resets.
* @property {Object[]} changeQueue
*/
ve.dm.MWTransclusionModel = function VeDmMWTransclusionModel( doc ) {
// Mixin constructors
OO.EventEmitter.call( this );
// Properties
this.doc = doc;
this.parts = [];
this.uid = 0;
this.templateDataApiRequests = [];
this.changeQueue = [];
};
/* Inheritance */
OO.mixinClass( ve.dm.MWTransclusionModel, OO.EventEmitter );
/* Events */
/**
* Emitted when a part is added, removed, replaced (e.g. a placeholder with an actual template),
* or an existing part changed position.
*
* @event replace
* @param {ve.dm.MWTransclusionPartModel|null} removed Removed part
* @param {ve.dm.MWTransclusionPartModel|null} added Added or moved part
* @param {number} [newPosition] Position the part was added or moved to
*/
/**
* Emitted when anything changed, including any changes in the content of the parts.
*
* @event change
*/
/* Methods */
/**
* Insert transclusion at the end of a surface fragment.
*
* If forceType is not specified and this is used in async mode, users of this method
* should ensure the surface is not accessible while the type is being evaluated.
*
* @param {ve.dm.SurfaceFragment} surfaceFragment Surface fragment after which to insert.
* @param {string} [forceType] Force the type to 'inline' or 'block'. If not
* specified it will be evaluated asynchronously.
* @return {jQuery.Promise} Promise which resolves when the node has been inserted. If
* forceType was specified this will be instant.
*/
ve.dm.MWTransclusionModel.prototype.insertTransclusionNode = function ( surfaceFragment, forceType ) {
var model = this,
deferred = ve.createDeferred(),
baseNodeClass = ve.dm.MWTransclusionNode;
function insertNode( isInline, generatedContents ) {
var type = isInline ? baseNodeClass.static.inlineType : baseNodeClass.static.blockType,
data = [
{
type: type,
attributes: {
mw: model.getPlainObject()
}
},
{ type: '/' + type }
];
// If we just fetched the generated contents, put them in the store
// so we don't do a duplicate API call later.
if ( generatedContents ) {
var nodeClass = ve.dm.modelRegistry.lookup( type );
var store = surfaceFragment.getDocument().getStore();
var hash = OO.getHash( [ nodeClass.static.getHashObjectForRendering( data[ 0 ] ), undefined ] );
store.hash( generatedContents, hash );
}
surfaceFragment.insertContent( data );
deferred.resolve();
}
if ( forceType ) {
insertNode( forceType === 'inline' );
} else {
ve.init.target.parseWikitextFragment(
baseNodeClass.static.getWikitext( this.getPlainObject() ),
true,
surfaceFragment.getDocument()
).then( function ( response ) {
if ( ve.getProp( response, 'visualeditor', 'result' ) === 'success' ) {
// This method is only ever run by a client, so it is okay to use jQuery
// eslint-disable-next-line no-undef
var contentNodes = $.parseHTML( response.visualeditor.content, surfaceFragment.getDocument().getHtmlDocument() ) || [];
contentNodes = ve.ce.MWTransclusionNode.static.filterRendering( contentNodes );
insertNode(
baseNodeClass.static.isHybridInline( contentNodes, ve.dm.converter ),
contentNodes
);
} else {
// Request failed - just assume inline
insertNode( true );
}
}, function () {
insertNode( true );
} );
}
return deferred.promise();
};
/**
* 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
* @return {jQuery.Promise} Promise, resolved when spec is loaded
*/
ve.dm.MWTransclusionModel.prototype.load = function ( data ) {
var 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 ( var i = 0; i < data.parts.length; i++ ) {
var part = data.parts[ i ];
var deferred;
if ( part.template ) {
deferred = ve.createDeferred();
promises.push( deferred.promise() );
this.changeQueue.push( {
add: ve.dm.MWTemplateModel.newFromData( this, part.template ),
deferred: deferred
} );
} else if ( typeof part === 'string' ) {
deferred = ve.createDeferred();
promises.push( deferred.promise() );
this.changeQueue.push( {
add: new ve.dm.MWTransclusionContentModel( this, part ),
deferred: deferred
} );
}
}
setTimeout( this.processChangeQueue.bind( this ) );
}
return ve.promiseAll( promises );
};
/**
* Process one or more queue items.
*
* @private
* @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.resolveChangeQueue = function ( queue ) {
var resolveQueue = [];
for ( var i = 0; i < queue.length; i++ ) {
var item = queue[ i ],
remove = 0;
if ( item.add instanceof ve.dm.MWTemplateModel ) {
var title = item.add.getTemplateDataQueryTitle();
if ( hasOwn.call( specCache, title ) && specCache[ title ] ) {
item.add.getSpec().setTemplateData( specCache[ title ] );
}
}
// Use specified index
var index = item.index;
// Auto-remove if already existing, preserving index
var existing = this.parts.indexOf( item.add );
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 = this.parts.indexOf( item.remove );
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 ) {
// This forwards change events from the nested ve.dm.MWTransclusionPartModel upwards.
// The array syntax is a way to call `this.emit( 'change' )`.
item.add.connect( this, { change: [ 'emit', 'change' ] } );
}
if ( item.remove ) {
item.remove.disconnect( this );
}
this.emit( 'replace', item.remove || null, item.add, index );
// Resolve promises
if ( item.deferred ) {
resolveQueue.push( item.deferred );
}
}
this.emit( 'change' );
// We need to go back and resolve the deferreds after emitting change.
// Otherwise we get silly situations like a single change event being
// guaranteed after the transclusion loaded promise gets resolved.
resolveQueue.forEach( function ( queueItem ) {
queueItem.resolve();
} );
};
/**
* @private
*/
ve.dm.MWTransclusionModel.prototype.processChangeQueue = function () {
var templateNamespaceId = mw.config.get( 'wgNamespaceIds' ).template,
titles = [];
if ( !this.changeQueue.length ) {
return;
}
var queue = this.changeQueue.slice();
// Clear shared queue for future calls
this.changeQueue.length = 0;
// Get unique list of template titles that aren't already loaded
for ( var i = 0; i < queue.length; i++ ) {
var item = queue[ i ];
if ( item.add instanceof ve.dm.MWTemplateModel ) {
var title = item.add.getTemplateDataQueryTitle(),
mwTitle = title ? mw.Title.newFromText( title, templateNamespaceId ) : null;
if (
// Skip titles that don't have a resolvable href
mwTitle &&
// Skip already cached data
!hasOwn.call( specCache, title ) &&
// Skip duplicate titles in the same batch
titles.indexOf( title ) === -1
) {
titles.push( title );
}
}
}
// Bypass server for empty lists
if ( !titles.length ) {
setTimeout( this.resolveChangeQueue.bind( this, queue ) );
return;
}
this.templateDataApiRequests.push( this.callTemplateDataApi( titles, queue ) );
};
/**
* @private
* @param {string[]} titles
* @param {Object[]} queue
* @return {jQuery.Promise}
*/
ve.dm.MWTransclusionModel.prototype.callTemplateDataApi = function ( titles, queue ) {
var xhr = ve.init.target.getContentApi( this.doc ).get( {
action: 'templatedata',
titles: titles,
lang: mw.config.get( 'wgUserLanguage' ),
includeMissingTitles: '1',
redirects: '1'
} ).done( this.cacheTemplateDataApiResponse.bind( this ) );
xhr.always(
this.markRequestAsDone.bind( this, xhr ),
this.resolveChangeQueue.bind( this, queue )
);
return xhr;
};
/**
* @private
* @param {Object} [data]
* @param {Object.<number,Object>} [data.pages]
*/
ve.dm.MWTransclusionModel.prototype.cacheTemplateDataApiResponse = function ( data ) {
if ( !data || !data.pages ) {
return;
}
// Keep spec data on hand for future use
for ( var id in data.pages ) {
var title = data.pages[ id ].title;
if ( data.pages[ id ].missing ) {
// Remember templates that don't exist in the link cache
// { title: { missing: true|false }
var missingTitle = {};
missingTitle[ title ] = { missing: true };
ve.init.platform.linkCache.setMissing( missingTitle );
} else if ( data.pages[ id ].notemplatedata && !OO.isPlainObject( data.pages[ id ].params ) ) {
// (T243868) Prevent asking again for templates that have neither user-provided specs
// nor automatically detected params
specCache[ title ] = null;
} else {
specCache[ title ] = data.pages[ id ];
}
}
// Follow redirects
var aliasMap = data.redirects || [];
// Follow MW's normalisation
if ( data.normalized ) {
ve.batchPush( aliasMap, data.normalized );
}
// Cross-reference aliased titles.
for ( var i = 0; i < aliasMap.length; i++ ) {
// Only define the alias if the target exists, otherwise
// we create a new property with an invalid "undefined" value.
if ( hasOwn.call( specCache, aliasMap[ i ].to ) ) {
specCache[ aliasMap[ i ].from ] = specCache[ aliasMap[ i ].to ];
}
}
};
/**
* @private
* @param {jQuery.Promise} apiPromise
*/
ve.dm.MWTransclusionModel.prototype.markRequestAsDone = function ( apiPromise ) {
// Prune completed request
var index = this.templateDataApiRequests.indexOf( apiPromise );
if ( index !== -1 ) {
this.templateDataApiRequests.splice( index, 1 );
}
};
ve.dm.MWTransclusionModel.prototype.abortAllApiRequests = function () {
for ( var i = 0; i < this.templateDataApiRequests.length; i++ ) {
this.templateDataApiRequests[ i ].abort();
}
this.templateDataApiRequests.length = 0;
};
/**
* Get plain object representation of template transclusion.
*
* @return {Object|null} Plain object representation, or null if empty
*/
ve.dm.MWTransclusionModel.prototype.getPlainObject = function () {
var parts = [];
for ( var i = 0; i < this.parts.length; i++ ) {
var part = this.parts[ i ];
var serialization = part.serialize();
if ( serialization !== undefined && serialization !== '' ) {
parts.push( serialization );
}
}
return parts.length ? { parts: parts } : null;
};
/**
* @return {string} Next part ID, starting from "part_0", guaranteed to be unique for this
* transclusion
*/
ve.dm.MWTransclusionModel.prototype.nextUniquePartId = function () {
return 'part_' + this.uid++;
};
/**
* Replace asynchronously.
*
* @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
* @return {jQuery.Promise} Promise, resolved when part is added
*/
ve.dm.MWTransclusionModel.prototype.replacePart = function ( remove, add ) {
var deferred = ve.createDeferred();
if (
!( remove instanceof ve.dm.MWTransclusionPartModel ) ||
!( add instanceof ve.dm.MWTransclusionPartModel )
) {
throw new Error( 'Invalid transclusion part' );
}
this.changeQueue.push( { remove: remove, add: add, deferred: deferred } );
// Fetch on next yield to process items in the queue together, subsequent calls will
// have no effect because the queue will be clear
setTimeout( this.processChangeQueue.bind( this ) );
return deferred.promise();
};
/**
* Added asynchronously, but order is preserved.
*
* @param {ve.dm.MWTransclusionPartModel} part
* @param {number} [index] Specific index to add content at, defaults to the end
* @throws {Error} If part is not valid
* @return {jQuery.Promise} Promise, resolved when part is added
*/
ve.dm.MWTransclusionModel.prototype.addPart = function ( part, index ) {
var deferred = ve.createDeferred();
if ( !( part instanceof ve.dm.MWTransclusionPartModel ) ) {
throw new Error( 'Invalid transclusion part' );
}
this.changeQueue.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.processChangeQueue.bind( this ) );
return deferred.promise();
};
/**
* @param {ve.dm.MWTransclusionPartModel} part
* @fires replace
*/
ve.dm.MWTransclusionModel.prototype.removePart = function ( part ) {
var index = this.parts.indexOf( part );
if ( index !== -1 ) {
this.parts.splice( index, 1 );
part.disconnect( this );
this.emit( 'replace', part, null );
}
};
/**
* @return {boolean} True if the transclusion is literally empty or contains only placeholders
*/
ve.dm.MWTransclusionModel.prototype.isEmpty = function () {
return this.parts.every( function ( part ) {
return part instanceof ve.dm.MWTemplatePlaceholderModel;
} );
};
/**
* @return {boolean} True if this is a single template or template placeholder
*/
ve.dm.MWTransclusionModel.prototype.isSingleTemplate = function () {
return this.parts.length === 1 && (
this.parts[ 0 ] instanceof ve.dm.MWTemplateModel ||
this.parts[ 0 ] instanceof ve.dm.MWTemplatePlaceholderModel
);
};
/**
* @return {ve.dm.MWTransclusionPartModel[]} All parts in this transclusion
*/
ve.dm.MWTransclusionModel.prototype.getParts = function () {
return this.parts;
};
/**
* Matching is performed against the first section of the `id`, delimited by a '/'.
*
* @param {string} [id] Any id, including slash-delimited template parameter ids
* @return {ve.dm.MWTransclusionPartModel|undefined} Part with matching ID, if found
*/
ve.dm.MWTransclusionModel.prototype.getPartFromId = function ( id ) {
if ( !id ) {
return;
}
// 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").
var partId = id.split( '/', 1 )[ 0 ];
for ( var i = 0; i < this.parts.length; i++ ) {
if ( this.parts[ i ].getId() === partId ) {
return this.parts[ i ];
}
}
};
/**
* 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
* @return {number} Page index of model
*/
ve.dm.MWTransclusionModel.prototype.getIndex = function ( model ) {
var parts = this.parts,
index = 0;
for ( var i = 0; i < parts.length; i++ ) {
var part = parts[ i ];
if ( part === model ) {
return index;
}
index++;
if ( part instanceof ve.dm.MWTemplateModel ) {
var names = part.getOrderedParameterNames();
for ( var j = 0; j < names.length; j++ ) {
if ( part.getParameter( names[ j ] ) === model ) {
return index;
}
index++;
}
}
}
return -1;
};
/**
* Add missing required and suggested parameters to each transclusion.
*/
ve.dm.MWTransclusionModel.prototype.addPromptedParameters = function () {
this.parts.forEach( function ( part ) {
if ( part instanceof ve.dm.MWTemplateModel ) {
part.addPromptedParameters();
}
} );
};
/**
* @return {boolean} True if any transclusion part contains meaningful, non-default user input
*/
ve.dm.MWTransclusionModel.prototype.containsValuableData = function () {
return this.parts.some( function ( part ) {
return part.containsValuableData();
} );
};
/**
* Resets the model's state.
*/
ve.dm.MWTransclusionModel.prototype.reset = function () {
this.parts = [];
this.uid = 0;
this.templateDataApiRequests = [];
this.changeQueue = [];
};
// Temporary compatibility for https://github.com/femiwiki/Sanctions/pull/118. Remove when not
// needed any more.
mw.log.deprecate( ve.dm.MWTransclusionModel.prototype, 'abortRequests',
ve.dm.MWTransclusionModel.prototype.abortAllApiRequests,
'Use "abortAllApiRequests" instead.'
);
}() );