Function getTextNodes

example/scripts/annotation.js:241–256

(node)

            found = false;

            function getTextNodes(node) {
                if (node.nodeType == Node.TEXT_NODE && !/^\s*$/.test(node.nodeValue)) {
                    if ( found != true) {
                        if(count+node.nodeValue.length >= offset) {
                            textNode = node;
                            found = true;    
                        } else {
                            count += node.nodeValue.length
                        }
                    }
                } else if (node.nodeType == Node.ELEMENT_NODE ) {
                    for (var i = 0, len = node.childNodes.length; i < len; ++i) {
                        getTextNodes(node.childNodes[i]);
                    }
                }
            }

            getTextNodes(rootNode);
            return [textNode, (count == 0 ? offset : offset - count)];