mediawiki-extensions-Visual.../modules/ve-mw/dm/nodes/ve.dm.MWTransclusionNode.js
Timo Tijhof ee954cbdd5 Use String#slice instead of discouraged String#substr
Aside from the confusion and differences between substr() and
substring() and IE8 bugs with substr(), substr() was removed from
the spec as of ECMAScript 5. It's been standardised in the
optional Annex B section of ES5.

Change-Id: I221ef6ae6956ce20dd9bb74510500f747d04c3b1
2014-12-06 21:26:20 +00:00

384 lines
11 KiB
JavaScript

/*!
* VisualEditor DataModel MWTransclusionNode class.
*
* @copyright 2011-2014 VisualEditor Team and others; see AUTHORS.txt
* @license The MIT License (MIT); see LICENSE.txt
*/
/**
* DataModel MediaWiki transclusion node.
*
* @class
* @abstract
* @extends ve.dm.LeafNode
* @mixins ve.dm.GeneratedContentNode
* @mixins ve.dm.FocusableNode
*
* @constructor
* @param {Object} [element] Reference to element in linear model
*/
ve.dm.MWTransclusionNode = function VeDmMWTransclusionNode() {
// Parent constructor
ve.dm.LeafNode.apply( this, arguments );
// Mixin constructors
ve.dm.GeneratedContentNode.call( this );
ve.dm.FocusableNode.call( this );
// Properties
this.partsList = null;
// Events
this.connect( this, { attributeChange: 'onAttributeChange' } );
};
/* Inheritance */
OO.inheritClass( ve.dm.MWTransclusionNode, ve.dm.LeafNode );
OO.mixinClass( ve.dm.MWTransclusionNode, ve.dm.GeneratedContentNode );
OO.mixinClass( ve.dm.MWTransclusionNode, ve.dm.FocusableNode );
/* Static members */
ve.dm.MWTransclusionNode.static.name = 'mwTransclusion';
ve.dm.MWTransclusionNode.static.matchTagNames = null;
ve.dm.MWTransclusionNode.static.matchRdfaTypes = [
'mw:Transclusion',
// We're interested in all nodes that have mw:Transclusion, even if they also have other mw:
// types. So we match all mw: types, then use a matchFunction to assert that mw:Transclusion
// is in there.
/^mw:/
];
ve.dm.MWTransclusionNode.static.matchFunction = function ( domElement ) {
return ve.indexOf( 'mw:Transclusion',
( domElement.getAttribute( 'typeof' ) || '' ).split( ' ' )
) !== -1;
};
ve.dm.MWTransclusionNode.static.enableAboutGrouping = true;
ve.dm.MWTransclusionNode.static.getHashObject = function ( dataElement ) {
return {
type: dataElement.type,
mw: dataElement.attributes.mw
};
};
ve.dm.MWTransclusionNode.static.toDataElement = function ( domElements, converter ) {
if ( converter.isDomAllMetaOrWhitespace( domElements, ['mwTransclusion', 'mwTransclusionInline', 'mwTransclusionBlock'] ) ) {
return ve.dm.MWTransclusionMetaItem.static.toDataElement( domElements, converter );
}
var dataElement, index,
mwDataJSON = domElements[0].getAttribute( 'data-mw' ),
mwData = mwDataJSON ? JSON.parse( mwDataJSON ) : {},
isInline = this.isHybridInline( domElements, converter ),
type = isInline ? 'mwTransclusionInline' : 'mwTransclusionBlock';
dataElement = {
type: type,
attributes: {
mw: mwData,
originalDomElements: ve.copy( domElements ),
originalMw: mwDataJSON
}
};
if ( !domElements[0].getAttribute( 'data-ve-no-generated-contents' ) ) {
index = this.storeGeneratedContents( dataElement, domElements, converter.getStore() );
dataElement.attributes.originalIndex = index;
}
return dataElement;
};
ve.dm.MWTransclusionNode.static.toDomElements = function ( dataElement, doc, converter ) {
var els, currentDom, i, len, wrapper,
index = converter.getStore().indexOfHash( OO.getHash( [ this.getHashObject( dataElement ), undefined ] ) ),
originalMw = dataElement.attributes.originalMw;
// If the transclusion is unchanged just send back the
// original DOM elements so selser can skip over it
if (
dataElement.attributes.originalDomElements && (
index === dataElement.attributes.originalIndex ||
( originalMw && ve.compare( dataElement.attributes.mw, JSON.parse( originalMw ) ) )
)
) {
// The object in the store is also used for CE rendering so return a copy
return ve.copyDomElements( dataElement.attributes.originalDomElements, doc );
} else {
if ( dataElement.attributes.originalDomElements ) {
els = [ doc.createElement( dataElement.attributes.originalDomElements[0].nodeName ) ];
} else {
els = [ doc.createElement( 'span' ) ];
if ( converter.isForClipboard() ) {
// For the clipboard use the current DOM contents but mark as ignored
// for the converter
currentDom = converter.getStore().value( index );
if ( currentDom ) {
currentDom = ve.copyDomElements( currentDom, doc );
// i = 0 is the data-mw span
for ( i = 1, len = currentDom.length; i < len; i++ ) {
// Wrap plain text nodes so we can give them an attribute
if ( currentDom[i].nodeType === Node.TEXT_NODE ) {
wrapper = doc.createElement( 'span' );
wrapper.appendChild( currentDom[i] );
currentDom[i] = wrapper;
}
currentDom[i].setAttribute( 'data-ve-ignore', 'true' );
els.push( currentDom[i] );
}
}
}
}
// All we need to send back to Parsoid is the original transclusion marker, with a
// reconstructed data-mw property.
els[0].setAttribute( 'typeof', 'mw:Transclusion' );
els[0].setAttribute( 'data-mw', JSON.stringify( dataElement.attributes.mw ) );
// Mark the element as not having valid generated contents with it in case it is
// inserted into another editor (e.g. via paste).
els[0].setAttribute( 'data-ve-no-generated-contents', true );
// TODO: Include last-known generated contents in the output for rich
// paste into a non-VE editor
return els;
}
};
/**
* Escape a template parameter. Helper function for #getWikitext.
*
* @static
* @param {string} param Parameter value
* @returns {string} Escaped parameter value
*/
ve.dm.MWTransclusionNode.static.escapeParameter = function ( param ) {
var match, needsNowiki, input = param, output = '',
inNowiki = false, bracketStack = 0, linkStack = 0;
while ( input.length > 0 ) {
match = input.match( /(?:\[\[)|(?:\]\])|(?:\{\{)|(?:\}\})|\|+|<\/?nowiki>|<nowiki\s*\/>/ );
if ( !match ) {
output += input;
break;
}
output += input.slice( 0, match.index );
input = input.slice( match.index + match[0].length );
if ( inNowiki ) {
if ( match[0] === '</nowiki>' ) {
inNowiki = false;
output += match[0];
} else {
output += match[0];
}
} else {
needsNowiki = true;
if ( match[0] === '<nowiki>' ) {
inNowiki = true;
needsNowiki = false;
} else if ( match[0] === '</nowiki>' || match[0].match( /<nowiki\s*\/>/ ) ) {
needsNowiki = false;
} else if ( match[0].match( /(?:\[\[)/ ) ) {
linkStack++;
needsNowiki = false;
} else if ( match[0].match( /(?:\]\])/ ) ) {
if ( linkStack > 0 ) {
linkStack--;
needsNowiki = false;
}
} else if ( match[0].match( /(?:\{\{)/ ) ) {
bracketStack++;
needsNowiki = false;
} else if ( match[0].match( /(?:\}\})/ ) ) {
if ( bracketStack > 0 ) {
bracketStack--;
needsNowiki = false;
}
} else if ( match[0].match( /\|+/ ) ) {
if ( bracketStack > 0 || linkStack > 0 ) {
needsNowiki = false;
}
}
if ( needsNowiki ) {
output += '<nowiki>' + match[0] + '</nowiki>';
} else {
output += match[0];
}
}
}
return output;
};
/* Methods */
/**
* Handle attribute change events.
*
* @method
* @param {string} key Attribute key
* @param {string} from Old value
* @param {string} to New value
*/
ve.dm.MWTransclusionNode.prototype.onAttributeChange = function ( key ) {
if ( key === 'mw' ) {
this.partsList = null;
}
};
/**
* Check if transclusion contains only a single template.
*
* @param {string|string[]} [templates] Names of templates to allow, omit to allow any template name
* @return {boolean} Transclusion only contains a single template, which is one of the ones in templates
*/
ve.dm.MWTransclusionNode.prototype.isSingleTemplate = function ( templates ) {
function normalizeTitle( name ) {
var title = mw.Title.newFromText( name );
return title ? title.getPrefixedText() : name;
}
var i, len, partsList = this.getPartsList();
if ( partsList.length !== 1 ) {
return false;
}
if ( templates === undefined ) {
return true;
}
if ( typeof templates === 'string' ) {
templates = [ templates ];
}
for ( i = 0, len = templates.length; i < len; i++ ) {
if (
partsList[0].template &&
normalizeTitle( partsList[0].template ) === normalizeTitle( templates[i] )
) {
return true;
}
}
return false;
};
/**
* Get a simplified description of the transclusion's parts.
*
* @returns {Object[]} List of objects with either template or content properties
*/
ve.dm.MWTransclusionNode.prototype.getPartsList = function () {
var i, len, part, content;
if ( !this.partsList ) {
this.partsList = [];
content = this.getAttribute( 'mw' );
for ( i = 0, len = content.parts.length; i < len; i++ ) {
part = content.parts[i];
this.partsList.push(
part.template ?
{ template: part.template.target.wt } :
{ content: part }
);
}
}
return this.partsList;
};
/**
* Get the wikitext for this transclusion.
*
* @method
* @returns {string} Wikitext like `{{foo|1=bar|baz=quux}}`
*/
ve.dm.MWTransclusionNode.prototype.getWikitext = function () {
var i, len, part, template, param,
content = this.getAttribute( 'mw' ),
wikitext = '';
// Normalize to multi template format
if ( content.params ) {
content = { parts: [ { template: content } ] };
}
// Build wikitext from content
for ( i = 0, len = content.parts.length; i < len; i++ ) {
part = content.parts[i];
if ( part.template ) {
// Template
template = part.template;
wikitext += '{{' + template.target.wt;
for ( param in template.params ) {
wikitext += '|' + param + '=' +
this.constructor.static.escapeParameter( template.params[param].wt );
}
wikitext += '}}';
} else {
// Plain wikitext
wikitext += part;
}
}
return wikitext;
};
/** */
ve.dm.MWTransclusionNode.prototype.getClonedElement = function () {
var clone = ve.dm.LeafNode.prototype.getClonedElement.call( this );
delete clone.attributes.originalMw;
delete clone.attributes.originalDomElements;
// Remove about attribute to prevent about grouping of duplicated transclusions
this.constructor.static.removeHtmlAttribute( clone, 'about' );
return clone;
};
/* Concrete subclasses */
/**
* DataModel MediaWiki transclusion block node.
*
* @class
* @extends ve.dm.MWTransclusionNode
*
* @constructor
* @param {Object} [element] Reference to element in linear model
*/
ve.dm.MWTransclusionBlockNode = function VeDmMWTransclusionBlockNode() {
// Parent constructor
ve.dm.MWTransclusionNode.apply( this, arguments );
};
OO.inheritClass( ve.dm.MWTransclusionBlockNode, ve.dm.MWTransclusionNode );
ve.dm.MWTransclusionBlockNode.static.matchTagNames = [];
ve.dm.MWTransclusionBlockNode.static.name = 'mwTransclusionBlock';
/**
* DataModel MediaWiki transclusion inline node.
*
* @class
* @extends ve.dm.MWTransclusionNode
*
* @constructor
* @param {Object} [element] Reference to element in linear model
*/
ve.dm.MWTransclusionInlineNode = function VeDmMWTransclusionInlineNode() {
// Parent constructor
ve.dm.MWTransclusionNode.apply( this, arguments );
};
OO.inheritClass( ve.dm.MWTransclusionInlineNode, ve.dm.MWTransclusionNode );
ve.dm.MWTransclusionInlineNode.static.matchTagNames = [];
ve.dm.MWTransclusionInlineNode.static.name = 'mwTransclusionInline';
ve.dm.MWTransclusionInlineNode.static.isContent = true;
/* Registration */
ve.dm.modelRegistry.register( ve.dm.MWTransclusionNode );
ve.dm.modelRegistry.register( ve.dm.MWTransclusionBlockNode );
ve.dm.modelRegistry.register( ve.dm.MWTransclusionInlineNode );