mediawiki-extensions-Visual.../modules/ve/ce/nodes/ve.ce.TextNode.js
Trevor Parscal efafed3231 Remove ve.{inheritClass,mixinClass} and use OO instead
Change-Id: I8df9226a358a76b661eab6e967ff0d63d361f691
2013-10-18 18:58:08 +02:00

101 lines
2.6 KiB
JavaScript

/*!
* VisualEditor ContentEditable TextNode class.
*
* @copyright 2011-2013 VisualEditor Team and others; see AUTHORS.txt
* @license The MIT License (MIT); see LICENSE.txt
*/
/**
* ContentEditable text node.
*
* @class
* @extends ve.ce.LeafNode
* @constructor
* @param {ve.dm.TextNode} model Model to observe
* @param {Object} [config] Configuration options
*/
ve.ce.TextNode = function VeCeTextNode( model, config ) {
// Parent constructor
ve.ce.LeafNode.call( this, model, config );
};
/* Inheritance */
OO.inheritClass( ve.ce.TextNode, ve.ce.LeafNode );
/* Static Properties */
ve.ce.TextNode.static.name = 'text';
ve.ce.TextNode.static.canBeSplit = true;
ve.ce.TextNode.whitespaceHtmlCharacters = {
'\n': '\u21b5', // ↵ / ↵
'\t': '\u279e' // ➞ / ➞
};
/* Methods */
/**
* Get an HTML rendering of the text.
*
* @method
* @returns {Array} Array of rendered HTML fragments with annotations
*/
ve.ce.TextNode.prototype.getAnnotatedHtml = function () {
var i, chr, character, nextCharacter,
data = this.model.getDocument().getDataFromNode( this.model ),
whitespaceHtmlChars = ve.ce.TextNode.whitespaceHtmlCharacters,
significantWhitespace = this.getModel().getParent().hasSignificantWhitespace();
function setChar( chr, index, data ) {
if ( ve.isArray( data[index] ) ) {
// Don't modify the original array, clone it first
data[index] = data[index].slice( 0 );
data[index][0] = chr;
} else {
data[index] = chr;
}
}
if ( !significantWhitespace ) {
// Replace spaces with   where needed
if ( data.length > 0 ) {
// Leading space
character = data[0];
if ( ve.isArray( character ) ? character[0] === ' ' : character === ' ' ) {
// \u00a0 ==   ==  
setChar( '\u00a0', 0, data );
}
}
if ( data.length > 1 ) {
// Trailing space
character = data[data.length - 1];
if ( ve.isArray( character ) ? character[0] === ' ' : character === ' ' ) {
setChar( '\u00a0', data.length - 1, data );
}
}
}
for ( i = 0; i < data.length; i++ ) {
chr = typeof data[i] === 'string' ? data[i] : data[i][0];
if ( chr === ' ' && !significantWhitespace && data.length > 2 && i !== 0 && i !== data.length - 1 ) {
// Replace any sequence of 2+ spaces with an alternating pattern
// (space-nbsp-space-nbsp-...)
nextCharacter = typeof data[i + 1] === 'string' ? data[i + 1] : data[i + 1][0];
if ( nextCharacter === ' ' ) {
setChar( '\u00a0', i + 1, data );
}
}
if ( !significantWhitespace && chr in whitespaceHtmlChars ) {
setChar( whitespaceHtmlChars[chr], i, data );
}
}
return data;
};
/* Registration */
ve.ce.nodeFactory.register( ve.ce.TextNode );