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refactored and updated docs of data.getImage(..)...

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Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
This commit is contained in:
Alex A. Naanou 2016-03-24 20:34:51 +03:00
parent e48742f4f6
commit d0480ab14e
2 changed files with 54 additions and 25 deletions
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84
ui (gen4)/data.js
View File

@ -513,21 +513,40 @@ var DataPrototype = {
// -> gid
//
// Check if image is loaded/exists:
// .getImage(gid|order)
// .getImage(gid|order, list|ribbon)
// .getImage(gid)
// -> gid
// -> null
//
// Get image or closest to it from list/ribbon:
// .getImage(gid, list|ribbon)
// -> gid
// -> null
// NOTE: null is returned if image does not exist.
//
// Get image by order in ribbon:
// .getImage(n)
// .getImage(n, ribbon)
// -> gid
// -> null
// NOTE: n can be negative, thus getting an image from the tail.
// NOTE: the second argument must not be an int (ribbon order)
// to avoid conflict with the offset case below.
// NOTE: image order can be negative, thus getting an image
// from the tail.
// NOTE: null is returned if image does not exist.
//
// Get image by global order:
// .getImage(n, 'global')
// -> gid
// -> null
// NOTE: n can be negative, thus getting an image from the tail.
// NOTE: this is similar to .order[n], aside from negative index
// processing.
// NOTE: null is returned if image does not exist.
//
// Get first or last image in ribbon:
// .getImage('first'[, ribbon])
// .getImage('last'[, ribbon])
// -> gid
// -> null (XXX ???)
// -> null (XXX empty ribbon??? ...test!)
// NOTE: the second argument must be .getRibbon(..) compatible.
// NOTE: to get global first/last image use the index, e.g.:
// .getImage(0) / .getImage(-1)
@ -610,16 +629,6 @@ var DataPrototype = {
target = x != null ? x : target
}
// order -> gid special case...
if(typeof(target) == typeof(123)){
if(target >= this.order.length){
return null
}
target = target < 0 ?
this.order[this.order.length+target]
: this.order[target]
}
// first/last special case...
// XXX need to get first loaded...
if(target == 'first'){
@ -670,6 +679,9 @@ var DataPrototype = {
: offset > 0 ? 'after'
: mode
offset = Math.abs(offset)
} else if(mode == 'global'){
list = mode
mode = 'before'
} else if(mode == 'next'){
offset = 1
} else if(mode == 'prev'){
@ -679,26 +691,42 @@ var DataPrototype = {
mode = mode == null ? 'before' : mode
}
var i = this.order.indexOf(target)
// normalize the list to a sparse list of gids...
list = list == null ?
this.ribbons[
this.getRibbon(typeof(target) == typeof(123) ? undefined : target)
// target exists but is not loaded...
|| this.getRibbon()
// no current ribbon...
|| this.getRibbon(this.getImage(target, 'before', this.getImages()))
|| this.getRibbon(this.getImage(target, 'after', this.getImages()))]
: list == 'global' ?
this.order
: list.constructor === Array ?
this.makeSparseImages(list)
: this.ribbons[this.getRibbon(list)]
// order -> gid special case...
var i
if(typeof(target) == typeof(123)){
list = list.compact()
if(target >= list.length){
return null
}
i = target
} else {
i = this.order.indexOf(target)
// invalid gid...
// XXX need a better way to report errors...
if(i == -1){
return -1
}
}
// normalize the list to a sparse list of gids...
list = list == null ?
this.ribbons[
this.getRibbon(target)
// target exists but is not loaded...
|| this.getRibbon()
// no current ribbon...
|| this.getRibbon(this.getImage(target, 'before', this.getImages()))
|| this.getRibbon(this.getImage(target, 'after', this.getImages()))]
: list.constructor === Array ?
this.makeSparseImages(list)
: this.ribbons[this.getRibbon(list)]
// normalize i...
i = i >= 0 ? i : list.length+i
var res = list[i]
// we have a direct hit...

3
ui (gen4)/package.json
View File

@ -33,8 +33,9 @@
"ig": "ig.js"
},
"devDependencies": {
"less": "*",
"nw-builder": "^2.2.0",
"less": "*"
"webdriverio": "^4.0.4"
},
"scripts": {
"build-css": "lessc css/layout.less css/layout.css"