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notes and some minor experimentation....

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Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
This commit is contained in:
Alex A. Naanou 2019-07-03 03:56:14 +03:00
parent 0384afebee
commit 5bf1e40d2e
1 changed files with 21 additions and 5 deletions
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26
ui (gen4)/lib/widget/browse2.js
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@ -2823,6 +2823,15 @@ var BaseBrowserPrototype = {
// the .options attribute...
//
// XXX use partial render for things like search....
// ...current filter implementation is crude, need a way to combine/chain
// this with selectors...
// ...a hacky way to do search is:
// s = dialog.search(..)
// dialog.render({
// filter: e => s.includes(e)
// })
// the downside here is this is only render, control still uses
// the full data...
// XXX make partial render be lazy -- i.e. add/remove elements and
// do not reconstruct the ones already present...
// XXX should from/to/around/count be a feature of this or of .walk(..)???
@ -2852,7 +2861,7 @@ var BaseBrowserPrototype = {
// .iterateNonIterable here it is not seen down the line...
{from: null, to: null, around: null,
iterateNonIterable: options.iterateNonIterable})
//{from: null, to: null, around: null, count: null})
// index getter...
var normIndex = function(i){
return (i === undefined || typeof(i) == typeof(123)) ?
@ -2907,30 +2916,34 @@ var BaseBrowserPrototype = {
// root call -> build sections (calling .render(..) per section)...
if(context.root == null && section instanceof Array){
context.root = this
// NOTE: we are not passing context down to make each section
// independent of the others... (XXX ???)
var s= {}
section
.forEach(function(name){
s[name] = this.render(
Object.assign(
Object.create(options),
{},
options,
{
section: name,
nonFinalized: true,
}),
renderer) }.bind(this))
// setup context for final render...
context.root = this
return (!options.nonFinalized && context.root === this) ?
renderer.renderFinalize(s.header, s.items, s.footer, context)
: s
// build specific sections...
} else {
var filter = options.filter
// do the walk...
var items = this.walk(
function(elem, i, path, nested){
return (
// special case: nested <from> elem -> topology only...
// special case: nested <from> elem -> render topology only...
(from_path
&& i < from
// only for nested...
@ -2938,6 +2951,9 @@ var BaseBrowserPrototype = {
// only sub-path...
&& path.cmp(from_path.slice(0, path.length))) ?
[ renderer.renderNestedBlank(nested(), i, context) ]
// filter -> skip unmatching...
: (filter && !filter.call(this, elem, i, path, section)) ?
[]
// out of range -> skip...
: ((from != null && i < from)
|| (to != null && i >= to)) ?