mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-08-19 22:26:18 +00:00
![Xavier Cazin](/assets/img/avatar_default.png)
* fr-FR translation of additional error strings * allbefore:include should be the identity function when applied to the 1st item
191 lines
6.5 KiB
JavaScript
191 lines
6.5 KiB
JavaScript
/*\
|
|
title: $:/core/modules/filters/x-listops.js
|
|
type: application/javascript
|
|
module-type: filteroperator
|
|
|
|
Extended filter operators to manipulate the current list.
|
|
|
|
\*/
|
|
(function () {
|
|
|
|
/*jslint node: true, browser: true */
|
|
/*global $tw: false */
|
|
"use strict";
|
|
|
|
/*
|
|
Fetch titles from the current list
|
|
*/
|
|
var prepare_results = function (source) {
|
|
var results = [];
|
|
source(function (tiddler, title) {
|
|
results.push(title);
|
|
});
|
|
return results;
|
|
};
|
|
|
|
/*
|
|
Moves a number of items from the tail of the current list before the item named in the operand
|
|
*/
|
|
exports.putbefore = function (source, operator) {
|
|
var results = prepare_results(source),
|
|
index = results.indexOf(operator.operand),
|
|
count = parseInt(operator.suffix) || 1;
|
|
return (index === -1) ?
|
|
results.slice(0, -1) :
|
|
results.slice(0, index).concat(results.slice(-count)).concat(results.slice(index, -count));
|
|
};
|
|
|
|
/*
|
|
Moves a number of items from the tail of the current list after the item named in the operand
|
|
*/
|
|
exports.putafter = function (source, operator) {
|
|
var results = prepare_results(source),
|
|
index = results.indexOf(operator.operand),
|
|
count = parseInt(operator.suffix) || 1;
|
|
return (index === -1) ?
|
|
results.slice(0, -1) :
|
|
results.slice(0, index + 1).concat(results.slice(-count)).concat(results.slice(index + 1, -count));
|
|
};
|
|
|
|
/*
|
|
Replaces the item named in the operand with a number of items from the tail of the current list
|
|
*/
|
|
exports.replace = function (source, operator) {
|
|
var results = prepare_results(source),
|
|
index = results.indexOf(operator.operand),
|
|
count = parseInt(operator.suffix) || 1;
|
|
return (index === -1) ?
|
|
results.slice(0, -count) :
|
|
results.slice(0, index).concat(results.slice(-count)).concat(results.slice(index + 1, -count));
|
|
};
|
|
|
|
/*
|
|
Moves a number of items from the tail of the current list to the head of the list
|
|
*/
|
|
exports.putfirst = function (source, operator) {
|
|
var results = prepare_results(source),
|
|
count = parseInt(operator.suffix) || 1;
|
|
return results.slice(-count).concat(results.slice(0, -count));
|
|
};
|
|
|
|
/*
|
|
Moves a number of items from the head of the current list to the tail of the list
|
|
*/
|
|
exports.putlast = function (source, operator) {
|
|
var results = prepare_results(source),
|
|
count = parseInt(operator.suffix) || 1;
|
|
return results.slice(count).concat(results.slice(0, count));
|
|
};
|
|
|
|
/*
|
|
Moves the item named in the operand a number of places forward or backward in the list
|
|
*/
|
|
exports.move = function (source, operator) {
|
|
var results = prepare_results(source),
|
|
index = results.indexOf(operator.operand),
|
|
count = parseInt(operator.suffix) || 1,
|
|
marker = results.splice(index, 1),
|
|
offset = (index + count) > 0 ? index + count : 0;
|
|
return results.slice(0, offset).concat(marker).concat(results.slice(offset));
|
|
};
|
|
|
|
/*
|
|
Returns the items from the current list that are after the item named in the operand
|
|
*/
|
|
exports.allafter = function (source, operator) {
|
|
var results = prepare_results(source),
|
|
index = results.indexOf(operator.operand);
|
|
return (index === -1 || index > (results.length - 2)) ? [] :
|
|
(operator.suffix) ? results.slice(index) :
|
|
results.slice(index + 1);
|
|
};
|
|
|
|
/*
|
|
Returns the items from the current list that are before the item named in the operand
|
|
*/
|
|
exports.allbefore = function (source, operator) {
|
|
var results = prepare_results(source),
|
|
index = results.indexOf(operator.operand);
|
|
return (index < 0) ? [] :
|
|
(operator.suffix) ? results.slice(0, index + 1) :
|
|
results.slice(0, index);
|
|
};
|
|
|
|
/*
|
|
Appends the items listed in the operand array to the tail of the current list
|
|
*/
|
|
exports.append = function (source, operator) {
|
|
var append = $tw.utils.parseStringArray(operator.operand, "true"),
|
|
results = prepare_results(source),
|
|
count = parseInt(operator.suffix) || append.length;
|
|
return (append.length === 0) ? results :
|
|
(operator.prefix) ? results.concat(append.slice(-count)) :
|
|
results.concat(append.slice(0, count));
|
|
};
|
|
|
|
/*
|
|
Prepends the items listed in the operand array to the head of the current list
|
|
*/
|
|
exports.prepend = function (source, operator) {
|
|
var prepend = $tw.utils.parseStringArray(operator.operand, "true"),
|
|
results = prepare_results(source),
|
|
count = parseInt(operator.suffix) || prepend.length;
|
|
return (prepend.length === 0) ? results :
|
|
(operator.prefix) ? prepend.slice(-count).concat(results) :
|
|
prepend.slice(0, count).concat(results);
|
|
};
|
|
|
|
/*
|
|
Returns all items from the current list except the items listed in the operand array
|
|
*/
|
|
exports.remove = function (source, operator) {
|
|
var array = $tw.utils.parseStringArray(operator.operand, "true"),
|
|
results = prepare_results(source),
|
|
count = parseInt(operator.suffix) || array.length,
|
|
p,
|
|
len,
|
|
index;
|
|
len = array.length - 1;
|
|
for (p = 0; p < count; ++p) {
|
|
if (operator.prefix) {
|
|
index = results.indexOf(array[len - p]);
|
|
} else {
|
|
index = results.indexOf(array[p]);
|
|
}
|
|
if (index !== -1) {
|
|
results.splice(index, 1);
|
|
}
|
|
}
|
|
return results;
|
|
};
|
|
|
|
/*
|
|
Returns all items from the current list sorted in the order of the items in the operand array
|
|
*/
|
|
exports.sortby = function (source, operator) {
|
|
var results = prepare_results(source);
|
|
if (!results || results.length < 2) {
|
|
return results;
|
|
}
|
|
var lookup = $tw.utils.parseStringArray(operator.operand, "true");
|
|
results.sort(function (a, b) {
|
|
return lookup.indexOf(a) - lookup.indexOf(b);
|
|
});
|
|
return results;
|
|
};
|
|
|
|
/*
|
|
Removes all duplicate items from the current list
|
|
*/
|
|
exports.unique = function (source, operator) {
|
|
var results = prepare_results(source);
|
|
var set = results.reduce(function (a, b) {
|
|
if (a.indexOf(b) < 0) {
|
|
a.push(b);
|
|
}
|
|
return a;
|
|
}, []);
|
|
return set;
|
|
};
|
|
})();
|