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added support for .walk(..)'ing custom lists of elements...

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Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
This commit is contained in:
Alex A. Naanou 2019-09-06 01:14:30 +03:00
parent 904d00d16d
commit a3bfda9a29
1 changed files with 30 additions and 10 deletions
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40
ui (gen4)/lib/widget/browse2.js
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@ -1791,9 +1791,6 @@ var BaseBrowserPrototype = {
// opts)
// : opts)
// XXX revise if stage 2 is applicable to sections other than .items
// XXX INLINED_ID: generate id's for inlined items (inlined arrays)...
// ...where do we store .id for arrays???
// ...should the id be human-readable, something like inlined<date> ???
make: function(options){
var that = this
options = Object.assign(
@ -2031,11 +2028,25 @@ var BaseBrowserPrototype = {
// .walk(null[, options])
// -> list
//
//
// Walk the tree passing each elem to func(..)
// .walk(func(..))
// .walk(func(..)[, options])
// -> list
// -> res
//
// Walk a list of items matching query (compatible with .search(..))...
// .walk(query, func(..))
// .walk(query, func(..), options)
// -> list
// -> res
//
// Walk a custom list of items...
// .walk([item, ...], func(..))
// .walk([item, ...], func(..), options)
// -> list
// -> res
//
//
// Handle elem...
// func(elem, index, path, next(..), stop(..))
@ -2139,10 +2150,14 @@ var BaseBrowserPrototype = {
//
//
// XXX might be good to be able to return the partial result via stop(..)
// XXX INLINED_ID: need to handle inlined item id correctly...
walk: function(func, options){
var that = this
var [func=null, options={}, path=[], context={}] = [...arguments]
var args = [...arguments]
var list = !(args[0] instanceof Function || args[0] == null) ?
args.shift()
: false
var [func=null, options={}, path=[], context={}] = args
// context...
context.root = context.root || this
@ -2290,10 +2305,14 @@ var BaseBrowserPrototype = {
try {
return handleReverse(
sections
.map(function(section){
return that[section] || [] })
.flat())
list ?
(list instanceof Array ?
list
: this.search(list, options))
: sections
.map(function(section){
return that[section] || [] })
.flat())
.map(makeMap(path))
.flat()
@ -3207,12 +3226,12 @@ var BaseBrowserPrototype = {
// XXX EXPERIMENTAL....
//
// XXX add support for headless nested blocks...
__renderer__: TextRenderer,
// XXX need:
// - section rendering... (DONE)
// - from/to/around/count support...
// - ability to render separate items/sub-trees or lists of items...
// ...pass the list to .walk(..), i.e. .walk(list/query, ...)
render2: function(options, renderer){
var that = this
@ -4165,6 +4184,7 @@ module.HTMLRenderer = {
},
inline: function(elem, lst, index, path, options){
},
// XXX add support for headless nested blocks...
nest: function(header, lst, index, path, options){
},