{"version":3,"file":"fuzzy-search.mjs","sources":["../../../../../../packages/components/tree/js/fuzzy-search.js"],"sourcesContent":["/*\r\n * email: bigablecat@hotmail.com\r\n * Date: 2018-04-14\r\n */\r\n\r\n/**\r\n * @param zTreeId the ztree id used to get the ztree object\r\n * @param searchField selector of your input for fuzzy search\r\n * @param isHighLight whether highlight the match words, default true\r\n * @param isExpand whether to expand the node, default false\r\n *\r\n * @returns\r\n */\r\nexport function fuzzySearch($, zTreeId, searchField, isHighLight, isExpand) {\r\n var zTreeObj = $.fn.zTree.getZTreeObj(zTreeId);//get the ztree object by ztree id\r\n if(!zTreeObj){\r\n console.error(\"fail to get ztree object\");\r\n }\r\n var nameKey = zTreeObj.setting.data.key.name; //get the key of the node name\r\n isHighLight = isHighLight===false?false:true;//default true, only use false to disable highlight\r\n isExpand = isExpand?true:false; // not to expand in default\r\n zTreeObj.setting.view.nameIsHTML = isHighLight; //allow use html in node name for highlight use\r\n\r\n var metaChar = '[\\\\[\\\\]\\\\\\\\\\^\\\\$\\\\.\\\\|\\\\?\\\\*\\\\+\\\\(\\\\)]'; //js meta characters\r\n var rexMeta = new RegExp(metaChar, 'gi');//regular expression to match meta characters\r\n\r\n // keywords filter function\r\n function ztreeFilter(zTreeObj,_keywords,callBackFunc) {\r\n if(!_keywords){\r\n _keywords =''; //default blank for _keywords\r\n }\r\n\r\n // function to find the matching node\r\n function filterFunc(node) {\r\n if(node && node.oldname && node.oldname.length>0){\r\n node[nameKey] = node.oldname; //recover oldname of the node if exist\r\n }\r\n zTreeObj.updateNode(node); //update node to for modifications take effect\r\n if (_keywords.length == 0) {\r\n //return true to show all nodes if the keyword is blank\r\n zTreeObj.showNode(node);\r\n zTreeObj.expandNode(node,isExpand);\r\n return true;\r\n }\r\n //transform node name and keywords to lowercase\r\n if (node[nameKey] && node[nameKey].toLowerCase().indexOf(_keywords.toLowerCase())!=-1) {\r\n if(isHighLight){ //highlight process\r\n //a new variable 'newKeywords' created to store the keywords information\r\n //keep the parameter '_keywords' as initial and it will be used in next node\r\n //process the meta characters in _keywords thus the RegExp can be correctly used in str.replace\r\n var newKeywords = _keywords.replace(rexMeta,function(matchStr){\r\n //add escape character before meta characters\r\n return '\\\\' + matchStr;\r\n });\r\n node.oldname = node[nameKey]; //store the old name\r\n var rexGlobal = new RegExp(newKeywords, 'gi');//'g' for global,'i' for ignore case\r\n //use replace(RegExp,replacement) since replace(/substr/g,replacement) cannot be used here\r\n node[nameKey] = node.oldname.replace(rexGlobal, function(originalText){\r\n //highlight the matching words in node name\r\n var highLightText =\r\n ''\r\n + originalText\r\n +'';\r\n return \thighLightText;\r\n });\r\n zTreeObj.updateNode(node); //update node for modifications take effect\r\n }\r\n zTreeObj.showNode(node);//show node with matching keywords\r\n return true; //return true and show this node\r\n }\r\n\r\n zTreeObj.hideNode(node); // hide node that not matched\r\n return false; //return false for node not matched\r\n }\r\n\r\n var nodesShow = zTreeObj.getNodesByFilter(filterFunc); //get all nodes that would be shown\r\n processShowNodes(nodesShow, _keywords);//nodes should be reprocessed to show correctly\r\n }\r\n\r\n /**\r\n * reprocess of nodes before showing\r\n */\r\n function processShowNodes(nodesShow,_keywords){\r\n if(nodesShow && nodesShow.length>0){\r\n //process the ancient nodes if _keywords is not blank\r\n if(_keywords.length>0){\r\n $.each(nodesShow, function(n,obj){\r\n var pathOfOne = obj.getPath();//get all the ancient nodes including current node\r\n if(pathOfOne && pathOfOne.length>0){\r\n //i < pathOfOne.length-1 process every node in path except self\r\n for(var i=0;i