kopia lustrzana https://github.com/miklobit/TiddlyWiki5
59 wiersze
1.5 KiB
JavaScript
59 wiersze
1.5 KiB
JavaScript
/*\
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title: $:/core/modules/filters/all.js
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type: application/javascript
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module-type: filteroperator
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Filter operator for selecting tiddlers
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[all[shadows+tiddlers]]
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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var allFilterOperators;
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function getAllFilterOperators() {
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if(!allFilterOperators) {
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allFilterOperators = {};
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$tw.modules.applyMethods("allfilteroperator",allFilterOperators);
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}
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return allFilterOperators;
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}
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/*
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Export our filter function
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*/
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exports.all = function(source,operator,options) {
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// Get our suboperators
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var allFilterOperators = getAllFilterOperators();
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// Cycle through the suboperators accumulating their results
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var results = new $tw.utils.LinkedList(),
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subops = operator.operand.split("+");
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// Check for common optimisations
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if(subops.length === 1 && subops[0] === "") {
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return source;
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} else if(subops.length === 1 && subops[0] === "tiddlers") {
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return options.wiki.each;
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} else if(subops.length === 1 && subops[0] === "shadows") {
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return options.wiki.eachShadow;
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} else if(subops.length === 2 && subops[0] === "tiddlers" && subops[1] === "shadows") {
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return options.wiki.eachTiddlerPlusShadows;
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} else if(subops.length === 2 && subops[0] === "shadows" && subops[1] === "tiddlers") {
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return options.wiki.eachShadowPlusTiddlers;
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}
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// Do it the hard way
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for(var t=0; t<subops.length; t++) {
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var subop = allFilterOperators[subops[t]];
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if(subop) {
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results.pushTop(subop(source,operator.prefix,options));
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}
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}
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return results.makeTiddlerIterator(options.wiki);
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};
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})();
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