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Add a very simple transaction builder for content replacements

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Roan Kattouw 2012-03-08 23:21:21 +00:00
parent cac9971299
commit d978797fca
Notes: Roan Kattouw 2012-03-08 23:21:21 +00:00 
https://mediawiki.org/wiki/Special:Code/MediaWiki/113422
1 changed files with 23 additions and 0 deletions
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23
modules/ve/dm/nodes/ve.dm.DocumentNode.js
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@ -1098,6 +1098,29 @@ ve.dm.DocumentNode.prototype.prepareRemoval = function( range ) {
return tx;
};
/**
* Generates a transaction which removes content from a given range and
* replaces it with other content.
*
* @param {ve.Range} range
* @param {Array} content data
* @returns {ve.dm.Transaction}
*/
ve.dm.DocumentNode.prototype.prepareContentReplacement = function( range, data ) {
// TODO this is way too simple and doesn't verify that there's no structural changes being snuck in
var tx = new ve.dm.Transaction();
range.normalize();
if ( range.start > 0 ) {
tx.pushRetain( range.start );
}
tx.pushReplace( this.data.slice( range.start, range.end ), data );
if ( range.end < this.data.length ) {
tx.pushRetain( this.data.length - range.end );
}
return tx;
};
/**
* Generates a transaction which annotates content within a given range.
*