mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/Cite
synced 2024-11-24 06:54:00 +00:00
343 lines
10 KiB
JavaScript
343 lines
10 KiB
JavaScript
'use strict';
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/*!
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* VisualEditor ContentEditable MWReferencesListNode class.
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*
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* @copyright 2011-2018 VisualEditor Team's Cite sub-team and others; see AUTHORS.txt
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* @license MIT
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*/
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/**
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* ContentEditable MediaWiki references list node.
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*
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* @constructor
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* @extends ve.ce.LeafNode
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* @mixes ve.ce.FocusableNode
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* @param {ve.dm.MWReferencesListNode} model Model to observe
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* @param {Object} [config] Configuration options
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*/
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ve.ce.MWReferencesListNode = function VeCeMWReferencesListNode() {
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// Parent constructor
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ve.ce.MWReferencesListNode.super.apply( this, arguments );
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// Mixin constructors
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ve.ce.FocusableNode.call( this );
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// Properties
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this.internalList = null;
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this.listNode = null;
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this.modified = false;
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// DOM changes
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this.$element.addClass( 've-ce-mwReferencesListNode' );
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this.$reflist = $( '<ol>' ).addClass( 'mw-references references' );
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this.$originalRefList = null;
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this.$refmsg = $( '<p>' )
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.addClass( 've-ce-mwReferencesListNode-muted' );
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// Events
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this.getModel().connect( this, { attributeChange: 'onAttributeChange' } );
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this.updateDebounced = ve.debounce( this.update.bind( this ) );
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// Initialization
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// Rendering the reference list can be slow, so do it in an idle callback
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// (i.e. after the editor has finished loading). Previously we used the
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// Parsoid DOM rendering for the first paint, and updated only when references
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// were modified, but this means the reference list is out of sync with the
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// model for features such as T54750.
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mw.requestIdleCallback( this.update.bind( this ) );
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};
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/* Inheritance */
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OO.inheritClass( ve.ce.MWReferencesListNode, ve.ce.LeafNode );
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OO.mixinClass( ve.ce.MWReferencesListNode, ve.ce.FocusableNode );
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/* Static Properties */
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ve.ce.MWReferencesListNode.static.name = 'mwReferencesList';
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ve.ce.MWReferencesListNode.static.tagName = 'div';
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ve.ce.MWReferencesListNode.static.primaryCommandName = 'referencesList';
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/* Static Methods */
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/**
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* @override
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* @see ve.ce.LeafNode
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*/
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ve.ce.MWReferencesListNode.static.getDescription = function ( model ) {
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return model.getAttribute( 'refGroup' );
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};
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/**
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* @override
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* @see ve.ce.FocusableNode
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*/
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ve.ce.MWReferencesListNode.prototype.getExtraHighlightClasses = function () {
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return ve.ce.FocusableNode.prototype
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.getExtraHighlightClasses.apply( this, arguments )
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.concat( [ 've-ce-mwReferencesListNode-highlight' ] );
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};
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/* Methods */
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/**
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* Handle setup events.
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*/
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ve.ce.MWReferencesListNode.prototype.onSetup = function () {
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this.internalList = this.getModel().getDocument().getInternalList();
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this.listNode = this.internalList.getListNode();
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this.internalList.connect( this, { update: 'onInternalListUpdate' } );
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this.listNode.connect( this, { update: 'onListNodeUpdate' } );
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// Parent method
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ve.ce.MWReferencesListNode.super.prototype.onSetup.call( this );
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};
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/**
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* Handle teardown events.
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*/
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ve.ce.MWReferencesListNode.prototype.onTeardown = function () {
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// Parent method
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ve.ce.MWReferencesListNode.super.prototype.onTeardown.call( this );
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if ( !this.listNode ) {
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return;
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}
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this.internalList.disconnect( this, { update: 'onInternalListUpdate' } );
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this.listNode.disconnect( this, { update: 'onListNodeUpdate' } );
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this.internalList = null;
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this.listNode = null;
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};
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/**
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* Handle the updating of the InternalList object.
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*
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* This will occur after a document transaction.
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*
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* @param {string[]} groupsChanged A list of groups which have changed in this transaction
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*/
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ve.ce.MWReferencesListNode.prototype.onInternalListUpdate = function ( groupsChanged ) {
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// Only update if this group has been changed
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if ( groupsChanged.indexOf( this.getModel().getAttribute( 'listGroup' ) ) !== -1 ) {
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this.modified = true;
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this.updateDebounced();
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}
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};
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/**
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* Rerender when the 'listGroup' attribute changes in the model.
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*
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* @param {string} key Attribute key
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* @param {string} from Old value
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* @param {string} to New value
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*/
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ve.ce.MWReferencesListNode.prototype.onAttributeChange = function ( key ) {
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switch ( key ) {
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case 'listGroup':
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this.updateDebounced();
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this.modified = true;
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break;
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case 'isResponsive':
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this.updateClasses();
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break;
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}
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};
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/**
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* Handle the updating of the InternalListNode.
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*
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* This will occur after changes to any InternalItemNode.
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*/
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ve.ce.MWReferencesListNode.prototype.onListNodeUpdate = function () {
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// When the list node updates we're not sure which list group the item
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// belonged to so we always update
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// TODO: Only re-render the reference which has been edited
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this.updateDebounced();
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};
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/**
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* Update the references list.
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*/
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ve.ce.MWReferencesListNode.prototype.update = function () {
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const model = this.getModel();
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// Check the node hasn't been destroyed, as this method is debounced.
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if ( !model ) {
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return;
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}
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const internalList = model.getDocument().internalList;
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const refGroup = model.getAttribute( 'refGroup' );
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const listGroup = model.getAttribute( 'listGroup' );
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const nodes = internalList.getNodeGroup( listGroup );
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const hasModelReferences = !!( nodes && nodes.indexOrder.length );
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let emptyText;
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if ( refGroup !== '' ) {
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emptyText = ve.msg( 'cite-ve-referenceslist-isempty', refGroup );
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} else {
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emptyText = ve.msg( 'cite-ve-referenceslist-isempty-default' );
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}
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// Use the Parsoid-provided DOM if:
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//
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// * There are no references in the model
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// * There have been no changes to the references in the model (!this.modified)
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//
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// In practice this is for he.wiki where references are template-generated (T187495)
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if (
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!hasModelReferences &&
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!this.modified &&
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model.getElement().originalDomElementsHash
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) {
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// Create a copy when importing to the main document, as extensions may
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// modify DOM nodes in the main doc.
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this.$originalRefList = $( ve.copyDomElements( model.getStore().value(
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model.getElement().originalDomElementsHash
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), document ) );
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if ( this.$originalRefList.find( 'li' ).length ) {
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this.$element.append( this.$originalRefList );
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} else {
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this.$refmsg.text( emptyText );
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this.$element.append( this.$refmsg );
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}
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return;
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}
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if ( this.$originalRefList ) {
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this.$originalRefList.remove();
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this.$originalRefList = null;
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}
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this.$reflist.detach().empty().attr( 'data-mw-group', refGroup || null );
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this.$refmsg.detach();
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if ( !hasModelReferences ) {
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this.$refmsg.text( emptyText );
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this.$element.append( this.$refmsg );
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} else {
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nodes.indexOrder.forEach( function ( index ) {
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const firstNode = nodes.firstNodes[ index ];
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const key = internalList.keys[ index ];
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let keyedNodes = nodes.keyedNodes[ key ];
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keyedNodes = keyedNodes.filter( function ( node ) {
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// Exclude placeholders and references defined inside the references list node
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return !node.getAttribute( 'placeholder' ) &&
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!node.findParent( ve.dm.MWReferencesListNode );
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} );
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if ( !keyedNodes.length ) {
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return;
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}
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const $li = $( '<li>' )
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.append( this.renderBacklinks( keyedNodes, refGroup ), ' ' );
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// Generate reference HTML from first item in key
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const modelNode = internalList.getItemNode( firstNode.getAttribute( 'listIndex' ) );
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if ( modelNode && modelNode.length ) {
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const refPreview = new ve.ui.MWPreviewElement( modelNode, { useView: true } );
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$li.append(
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$( '<span>' )
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.addClass( 'reference-text' )
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.append( refPreview.$element )
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);
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} else {
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$li.append(
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$( '<span>' )
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.addClass( 've-ce-mwReferencesListNode-muted' )
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.text( ve.msg( 'cite-ve-referenceslist-missingref-in-list' ) )
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).addClass( 've-ce-mwReferencesListNode-missingRef' );
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}
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if ( this.getRoot() ) {
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const surface = this.getRoot().getSurface().getSurface();
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$li.on( 'mousedown', function ( e ) {
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if ( ve.isUnmodifiedLeftClick( e ) && modelNode && modelNode.length ) {
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const items = ve.ui.contextItemFactory.getRelatedItems( [ firstNode ] )
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.filter( ( item ) => item.name !== 'mobileActions' );
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if ( items.length ) {
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const contextItem = ve.ui.contextItemFactory.lookup( items[ 0 ].name );
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if ( contextItem ) {
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const command = surface.commandRegistry
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.lookup( contextItem.static.commandName );
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if ( command ) {
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const fragmentArgs = {
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fragment: surface.getModel()
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.getLinearFragment( firstNode.getOuterRange(), true ),
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selectFragmentOnClose: false
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};
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const newArgs = ve.copy( command.args );
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if ( command.name === 'reference' ) {
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newArgs[ 1 ] = fragmentArgs;
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} else {
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ve.extendObject( newArgs[ 0 ], fragmentArgs );
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}
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command.execute( surface, newArgs );
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}
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}
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}
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}
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e.preventDefault();
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} );
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}
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this.$reflist.append( $li );
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}.bind( this ) );
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this.updateClasses();
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this.$element.append( this.$reflist );
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}
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};
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/**
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* Update ref list classes.
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*
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* Currently used to set responsive layout
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*/
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ve.ce.MWReferencesListNode.prototype.updateClasses = function () {
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const isResponsive = this.getModel().getAttribute( 'isResponsive' );
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this.$element
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.toggleClass( 'mw-references-wrap', isResponsive )
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.toggleClass( 'mw-references-columns', isResponsive && this.$reflist.children().length > 10 );
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};
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/**
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* Build markers for backlinks
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*
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* @param {ve.dm.Node[]} keyedNodes A list of ref nodes linked to a reference list item
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* @param {string} refGroup Reference group name
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* @return {jQuery} Element containing backlinks
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*/
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ve.ce.MWReferencesListNode.prototype.renderBacklinks = function ( keyedNodes, refGroup ) {
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if ( keyedNodes.length === 1 ) {
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return $( '<a>' )
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.attr( 'rel', 'mw:referencedBy' )
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.attr( 'data-mw-group', refGroup || null )
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.append( $( '<span>' ).addClass( 'mw-linkback-text' ).text( '↑ ' ) );
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}
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// named reference with multiple usages
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const $refSpan = $( '<span>' ).attr( 'rel', 'mw:referencedBy' );
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for ( let i = 0; i < keyedNodes.length; i++ ) {
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$( '<a>' )
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.attr( 'data-mw-group', refGroup || null )
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.append( $( '<span>' ).addClass( 'mw-linkback-text' ).text( ( i + 1 ) + ' ' ) )
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.appendTo( $refSpan );
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}
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return $refSpan;
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};
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/* Registration */
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ve.ce.nodeFactory.register( ve.ce.MWReferencesListNode );
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