TiddlyWiki5/core/modules/filterrunprefixes/sort.js

60 lines
1.7 KiB
JavaScript

/*\
title: $:/core/modules/filterrunprefixes/sort.js
type: application/javascript
module-type: filterrunprefix
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
/*
Export our filter prefix function
*/
exports.sort = function(operationSubFunction,options) {
return function(results,source,widget) {
if(results.length > 0) {
var suffixes = options.suffixes,
sortType = (suffixes[0] && suffixes[0][0]) ? suffixes[0][0] : "string",
invert = suffixes[1] ? (suffixes[1].indexOf("reverse") !== -1) : false,
isCaseSensitive = suffixes[1] ? (suffixes[1].indexOf("casesensitive") !== -1) : false,
inputTitles = results.toArray(),
sortKeys = [],
indexes = new Array(inputTitles.length),
compareFn;
results.each(function(title) {
var key = operationSubFunction(options.wiki.makeTiddlerIterator([title]),{
getVariable: function(name) {
switch(name) {
case "currentTiddler":
return "" + title;
case "..currentTiddler":
return widget.getVariable("currentTiddler");
default:
return widget.getVariable(name);
}
}
});
sortKeys.push(key[0] || "");
});
results.clear();
// Prepare an array of indexes to sort
for(var t=0; t<inputTitles.length; t++) {
indexes[t] = t;
}
// Sort the indexes
compareFn = $tw.utils.makeCompareFunction(sortType,{defaultType: "string", invert:invert, isCaseSensitive:isCaseSensitive});
indexes = indexes.sort(function(a,b) {
return compareFn(sortKeys[a],sortKeys[b]);
});
// Add to results in correct order
$tw.utils.each(indexes,function(index) {
results.push(inputTitles[index]);
});
}
}
};
})();