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added item event default getter...

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Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
This commit is contained in:
Alex A. Naanou 2019-05-26 03:38:38 +03:00
parent 6f2a15fa2d
commit 9499108401
1 changed files with 48 additions and 22 deletions
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50
ui (gen4)/lib/widget/browse2.js
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@ -304,7 +304,13 @@ var callItemEventHandlers = function(item, event, evt, ...args){
// up the tree.
//
// XXX need reasonable default item selections...
var makeItemEventMethod = function(event, handler, options){
var makeItemEventMethod = function(event, handler, default_item, options){
options = default_item instanceof Function ?
options
: default_item
default_item = default_item instanceof Function ?
default_item
: null
options = Object.assign(
// NOTE: we need to be able to pass item objects, so we can not
// use queries at the same time as there is not way to
@ -344,6 +350,9 @@ var makeItemEventMethod = function(event, handler, options){
// explicit item or query...
: item != null ?
this.search(item, options)
// item is null or undefined -- get default...
: default_item instanceof Function ?
[default_item.call(that) || []].flat()
: [],
...args) },
// get base method attributes -- keep the event method format...
@ -2019,8 +2028,8 @@ var BaseBrowserPrototype = {
// .focus(query[, ...])
// -> this
//
// XXX need reasonable default item selections...
focus: makeItemEventMethod('focus', function(evt, items){
focus: makeItemEventMethod('focus',
function(evt, items){
// blur .focused...
this.focused
&& this.blur(this.focused)
@ -2028,21 +2037,38 @@ var BaseBrowserPrototype = {
var item = items.shift()
item != null
&& (item.focused = true)
}),
},
// default...
function(){ return this.get(0) }),
blur: makeItemEventMethod('blur', function(evt, items){
items.forEach(function(item){
delete item.focused }) }),
select: makeItemEventMethod('select', function(evt, items){
// XXX should we select .focused by default???
select: makeItemEventMethod('select',
function(evt, items){
items.forEach(function(item){
item.selected = true }) }),
deselect: makeItemEventMethod('deselect', function(evt, items){
item.selected = true }) },
// XXX is this a good default???
function(){ return this.focused }),
// XXX should we deselect .focused by default???
deselect: makeItemEventMethod('deselect',
function(evt, items){
items.forEach(function(item){
delete item.selected }) }),
open: makeItemEventMethod('open', function(evt, item){}),
enter: makeItemEventMethod('enter', function(evt, item){}),
delete item.selected }) },
function(){ return this.focused }),
open: makeItemEventMethod('open',
function(evt, item){},
function(){ return this.focused }),
enter: makeItemEventMethod('enter',
function(evt, item){},
function(){ return this.focused }),
// XXX can/should we unify these???
collapse: makeItemEventMethod('collapse', function(evt, item){}),
expand: makeItemEventMethod('expand', function(evt, item){}),
collapse: makeItemEventMethod('collapse',
function(evt, item){},
function(){ return this.focused }),
expand: makeItemEventMethod('expand',
function(evt, item){},
function(){ return this.focused }),
// XXX target can be item or path...
load: makeEventMethod('load', function(evt, item){}),