mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/Cite
synced 2024-12-13 07:28:28 +00:00
bbc1f2c91d
See https://spdx.org/licenses/ Change-Id: Ic091ebc3844abcd6de90b3241382fb4732200a6d
284 lines
7.5 KiB
JavaScript
284 lines
7.5 KiB
JavaScript
/*!
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* VisualEditor DataModel MWReferenceModel 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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* MediaWiki reference model.
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*
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* @class
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* @mixins OO.EventEmitter
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*
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* @constructor
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* @param {ve.dm.Document} parentDoc Document that contains or will contain the reference
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*/
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ve.dm.MWReferenceModel = function VeDmMWReferenceModel( parentDoc ) {
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// Mixin constructors
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OO.EventEmitter.call( this );
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// Properties
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this.listKey = '';
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this.listGroup = '';
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this.listIndex = null;
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this.group = '';
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this.doc = null;
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this.parentDoc = parentDoc;
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this.deferDoc = null;
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};
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/* Inheritance */
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OO.mixinClass( ve.dm.MWReferenceModel, OO.EventEmitter );
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/* Static Methods */
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/**
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* Create a reference model from a reference internal item.
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*
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* @param {ve.dm.MWReferenceNode} node Reference node
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* @return {ve.dm.MWReferenceModel} Reference model
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*/
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ve.dm.MWReferenceModel.static.newFromReferenceNode = function ( node ) {
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var doc = node.getDocument(),
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internalList = doc.getInternalList(),
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attr = node.getAttributes(),
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ref = new ve.dm.MWReferenceModel( doc );
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ref.setListKey( attr.listKey );
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ref.setListGroup( attr.listGroup );
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ref.setListIndex( attr.listIndex );
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ref.setGroup( attr.refGroup );
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ref.deferDoc = function () {
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// cloneFromRange is very expensive, so lazy evaluate it
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return doc.cloneFromRange( internalList.getItemNode( attr.listIndex ).getRange() );
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};
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return ref;
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};
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/* Methods */
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/**
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* Find matching item in a surface.
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*
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* @param {ve.dm.Surface} surfaceModel Surface reference is in
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* @return {ve.dm.InternalItemNode|null} Internal reference item, null if none exists
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*/
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ve.dm.MWReferenceModel.prototype.findInternalItem = function ( surfaceModel ) {
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if ( this.listIndex !== null ) {
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return surfaceModel.getDocument().getInternalList().getItemNode( this.listIndex );
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}
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return null;
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};
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/**
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* Insert reference internal item into a surface.
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*
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* If the internal item for this reference doesn't exist, use this method to create one.
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* The inserted reference is empty and auto-numbered.
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*
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* @param {ve.dm.Surface} surfaceModel Surface model of main document
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*/
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ve.dm.MWReferenceModel.prototype.insertInternalItem = function ( surfaceModel ) {
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// Create new internal item
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var item,
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doc = surfaceModel.getDocument(),
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internalList = doc.getInternalList();
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// Fill in data
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this.setListKey( 'auto/' + internalList.getNextUniqueNumber() );
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this.setListGroup( 'mwReference/' + this.group );
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// Insert internal reference item into document
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item = internalList.getItemInsertion( this.listGroup, this.listKey, [] );
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surfaceModel.change( item.transaction );
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this.setListIndex( item.index );
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// Inject reference document into internal reference item
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surfaceModel.change(
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ve.dm.TransactionBuilder.static.newFromDocumentInsertion(
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doc,
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internalList.getItemNode( item.index ).getRange().start,
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this.getDocument()
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)
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);
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};
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/**
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* Update an internal reference item.
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*
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* An internal item for the reference will be created if no `ref` argument is given.
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*
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* @param {ve.dm.Surface} surfaceModel Surface model of main document
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*/
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ve.dm.MWReferenceModel.prototype.updateInternalItem = function ( surfaceModel ) {
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var i, len, txs, group, refNodes, keyIndex, itemNodeRange,
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doc = surfaceModel.getDocument(),
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internalList = doc.getInternalList(),
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listGroup = 'mwReference/' + this.group;
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// Group/key has changed
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if ( this.listGroup !== listGroup ) {
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// Get all reference nodes with the same group and key
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group = internalList.getNodeGroup( this.listGroup );
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refNodes = group.keyedNodes[ this.listKey ] ?
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group.keyedNodes[ this.listKey ].slice() :
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[ group.firstNodes[ this.listIndex ] ];
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// Check for name collision when moving items between groups
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keyIndex = internalList.getKeyIndex( this.listGroup, this.listKey );
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if ( keyIndex !== undefined ) {
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// Resolve name collision by generating a new list key
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this.listKey = 'auto/' + internalList.getNextUniqueNumber();
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}
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// Update the group name of all references nodes with the same group and key
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txs = [];
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for ( i = 0, len = refNodes.length; i < len; i++ ) {
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txs.push( ve.dm.TransactionBuilder.static.newFromAttributeChanges(
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doc,
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refNodes[ i ].getOuterRange().start,
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{ refGroup: this.group, listGroup: listGroup }
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) );
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}
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surfaceModel.change( txs );
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this.listGroup = listGroup;
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}
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// Update internal node content
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itemNodeRange = internalList.getItemNode( this.listIndex ).getRange();
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surfaceModel.change( ve.dm.TransactionBuilder.static.newFromRemoval( doc, itemNodeRange, true ) );
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surfaceModel.change(
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ve.dm.TransactionBuilder.static.newFromDocumentInsertion( doc, itemNodeRange.start, this.getDocument() )
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);
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};
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/**
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* Insert reference at the end of a surface fragment.
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*
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* @param {ve.dm.SurfaceFragment} surfaceFragment Surface fragment to insert at
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* @param {boolean} [placeholder] Reference is a placeholder for staging purposes
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*/
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ve.dm.MWReferenceModel.prototype.insertReferenceNode = function ( surfaceFragment, placeholder ) {
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var attributes = {
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listKey: this.listKey,
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listGroup: this.listGroup,
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listIndex: this.listIndex,
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refGroup: this.group
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};
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if ( placeholder ) {
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attributes.placeholder = true;
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}
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surfaceFragment
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.insertContent( [
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{
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type: 'mwReference',
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attributes: attributes
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},
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{ type: '/mwReference' }
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] );
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};
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/**
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* Get the key of a reference in the references list.
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*
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* @return {string} Reference's list key
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*/
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ve.dm.MWReferenceModel.prototype.getListKey = function () {
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return this.listKey;
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};
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/**
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* Get the name of the group a references list is in.
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*
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* @return {string} References list's group
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*/
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ve.dm.MWReferenceModel.prototype.getListGroup = function () {
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return this.listGroup;
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};
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/**
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* Get the index of reference in the references list.
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*
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* @return {string} Reference's index
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*/
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ve.dm.MWReferenceModel.prototype.getListIndex = function () {
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return this.listIndex;
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};
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/**
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* Get the name of the group a reference is in.
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*
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* @return {string} Reference's group
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*/
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ve.dm.MWReferenceModel.prototype.getGroup = function () {
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return this.group;
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};
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/**
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* Get reference document.
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*
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* Auto-generates a blank document if no document exists.
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*
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* @return {ve.dm.Document} Reference document
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*/
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ve.dm.MWReferenceModel.prototype.getDocument = function () {
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if ( !this.doc ) {
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if ( this.deferDoc ) {
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this.doc = this.deferDoc();
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} else {
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this.doc = this.parentDoc.cloneWithData( [
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{ type: 'paragraph', internal: { generated: 'wrapper' } },
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{ type: '/paragraph' },
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{ type: 'internalList' },
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{ type: '/internalList' }
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] );
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}
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}
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return this.doc;
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};
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/**
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* Set key of reference in list.
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*
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* @param {string} listKey Reference's list key
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*/
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ve.dm.MWReferenceModel.prototype.setListKey = function ( listKey ) {
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this.listKey = listKey;
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};
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/**
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* Set name of the group a references list is in.
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*
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* @param {string} listGroup References list's group
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*/
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ve.dm.MWReferenceModel.prototype.setListGroup = function ( listGroup ) {
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this.listGroup = listGroup;
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};
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/**
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* Set the index of reference in list.
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*
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* @param {string} listIndex Reference's list index
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*/
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ve.dm.MWReferenceModel.prototype.setListIndex = function ( listIndex ) {
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this.listIndex = listIndex;
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};
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/**
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* Set the name of the group a reference is in.
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*
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* @param {string} group Reference's group
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*/
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ve.dm.MWReferenceModel.prototype.setGroup = function ( group ) {
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this.group = group;
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};
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/**
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* Set the reference document.
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*
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* @param {ve.dm.Document} doc Reference document
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*/
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ve.dm.MWReferenceModel.prototype.setDocument = function ( doc ) {
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this.doc = doc;
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};
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