kopia lustrzana https://github.com/miklobit/TiddlyWiki5
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/*\
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title: $:/core/modules/filters/getindex.js
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type: application/javascript
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module-type: filteroperator
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returns the value at a given index of datatiddlers
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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/*
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Export our filter function
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*/
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exports.getIndex = function(source,operator,options) {
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var data,title,results = [];
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if(operator.operand){
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source(function(tiddler,title) {
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title = tiddler ? tiddler.fields.title : title;
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data = options.wiki.extractTiddlerDataItem(tiddler,operator.operand);
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if(data) {
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results.push(data);
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}
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});
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}
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return results;
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};
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})();
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created: 20150203140000000
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modified: 20150203140000000
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tags: [[getindex Operator]] [[Operator Examples]]
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title: getindex Operator (Examples)
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<<.operator-example 1 "[[$:/palettes/Vanilla]getindex[background]]" "returns the value at index ''background'' of the [[DataTiddler|DataTiddlers]] [[$:/palettes/Vanilla]]">>
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<<.operator-example 2 "[tag[$:/tags/Palette]getindex[background]]" "returns all background colors defined in any of the ColourPalettes">>
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created: 20150203140000000
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modified: 20150203140000000
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tags: [[Filter Operators]] [[Field Operators]]
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title: getindex Operator
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caption: getindex
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purpose: select all values of a data property in the input titles
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<$macrocall $name=".operator-def"
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input="a [[selection of titles|Title Selection]]"
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parameter="the name of a [[property|DataTiddlers]]"
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paramName="P"
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output="the values of property <<.place P>> in each of the input titles"
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/>
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Each input title is processed in turn, and is ignored if it does not denote a [[data tiddler|DataTiddlers]]. If the tiddler contains property <<.place P>>, the value of that property is [[dominantly appended|Dominant Append]] to the output.
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<<.operator-examples "getindex">>
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