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Code Issues Releases Wiki Activity

Improve wiki.sortByList()

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Previously list-before and list-after didn’t work if they referenced
entries that hadn’t yet been placed
This commit is contained in:
Jermolene 2014-04-14 21:30:30 +01:00
parent fe0ed5e4ce
commit dad60cda05
1 changed files with 35 additions and 28 deletions
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63
core/modules/wiki.js
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@ -497,7 +497,7 @@ exports.sortByList = function(array,listTitle) {
var list = this.getTiddlerList(listTitle);
if(!array || array.length === 0) {
return [];
} else if(list) {
} else {
var titles = [], t, title;
// First place any entries that are present in the list
for(t=0; t<list.length; t++) {
@ -510,36 +510,43 @@ exports.sortByList = function(array,listTitle) {
for(t=0; t<array.length; t++) {
title = array[t];
if(list.indexOf(title) === -1) {
// Entry isn't in the list yet, so either append or insert;
// obey list-before and list-after if present for relative insertion point
var tiddler = this.getTiddler(title),
pos = -1;
if(tiddler) {
var beforeTitle = tiddler.fields["list-before"];
if(beforeTitle === "") {
pos = 0;
} else if(beforeTitle) {
pos = list.indexOf(beforeTitle);
} else {
var afterTitle = tiddler.fields["list-after"];
if(afterTitle) {
pos = list.indexOf(afterTitle);
if(pos >= 0) {
++pos;
}
}
}
}
if(pos >= 0) {
titles.splice(pos,0,title);
} else {
titles.push(title);
}
titles.push(title);
}
}
// Finally obey the list-before and list-after fields of each tiddler in turn
var sortedTitles = titles.slice(0);
for(t=0; t<sortedTitles.length; t++) {
title = sortedTitles[t];
var currPos = titles.indexOf(title),
newPos = -1,
tiddler = this.getTiddler(title);
if(tiddler) {
var beforeTitle = tiddler.fields["list-before"],
afterTitle = tiddler.fields["list-after"];
if(beforeTitle === "") {
newPos = 0;
} else if(beforeTitle) {
newPos = titles.indexOf(beforeTitle);
} else if(afterTitle) {
newPos = titles.indexOf(afterTitle);
if(newPos >= 0) {
++newPos;
}
}
if(newPos === -1) {
newPos = currPos;
}
if(newPos !== currPos) {
titles.splice(currPos,1);
if(newPos >= currPos) {
newPos--;
}
titles.splice(newPos,0,title);
}
}
}
return titles;
} else {
return array;
}
};