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some minor refactoring...

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Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
This commit is contained in:
Alex A. Naanou 2013-05-16 20:50:31 +04:00
parent 1ec78e80f8
commit 74efe28d26
1 changed files with 6 additions and 37 deletions
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43
ui/data.js
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@ -281,18 +281,9 @@ function updateImages(size){
//
// NOTE: this will reload the current image elements...
// NOTE: this is similar to extendRibbon(...) but different in interface...
// XXX correctly align the result...
// XXX BUG scenarion:
// - load with LOAD_SCREENS = 4
// - change LOAD_SCREENS to 6
// - press right (next)
// Expected:
// - focus image #2
// Actial:
// - focused #6
// Reason:
// loadImages(...) does not care about currently loaded images
// and positions, this first image reloads as #5...
// NOTE: load only what is needed instead of reloading everything...
// NOTE: this will not change alignment if the current image is within
// the target range...
function loadImages(ref_gid, count, ribbon){
ribbon = $(ribbon)
var images = ribbon.find('.image')
@ -313,28 +304,6 @@ function loadImages(ref_gid, count, ribbon){
from_i = l - from_i < count ? l - count : from_i
var from_gid = DATA.ribbons[ribbon_i][from_i]
var size = getVisibleImageSize()
// XXX load only what is needed instead of reloading everything...
// XXX possible intersections:
//
// +------------+ - before
// +----------------+ - after
//
// +--------+ - before
// +--------------------+ - after
//
// NOTE: both cases symmetrical.
// NOTE: the ref_gid can be at any position in the after ribbon.
//
// In all cases it's a question of finding the minimal common
// section...
// ...essentially it's the first gid in both groups at the head
// and the same for the tail...
// so, we essentially need to test the current head/tail and
// new head tail for inclusion in the other ribbon and the
// ones that pass are the common section's head/tail, so we
// can splice that out of the gids and simply extendRibbon(...)
var old_gids = getImageGIDs(getImageGID(images.first()), images.length, ribbon_i, true)
var gids = getImageGIDs(from_gid, count, ribbon_i, true)
@ -342,7 +311,6 @@ function loadImages(ref_gid, count, ribbon){
var head = gids.indexOf(old_gids[0]) != -1 ?
gids.indexOf(old_gids[0])
// check if we need to truncate...
// XXX needs testing...
: old_gids.indexOf(gids[0]) != -1 ?
-old_gids.indexOf(gids[0])
: 0
@ -350,11 +318,12 @@ function loadImages(ref_gid, count, ribbon){
var tail = gids.indexOf(old_gids[old_gids.length-1]) > 0 ?
gids.length - gids.indexOf(old_gids[old_gids.length-1]) - 1
// check if we need to truncate...
// XXX needs testing...
: old_gids.indexOf(gids[gids.length-1]) > 0 ?
-(old_gids.length - old_gids.indexOf(gids[gids.length-1]) - 1)
: 0
var size = getVisibleImageSize()
// XXX the next section might need some simplification -- fells bulky...
// check if we have a common section at all / full reload...
if(head == 0 && tail == 0){
@ -397,7 +366,7 @@ function loadImages(ref_gid, count, ribbon){
}
// XXX here for testing...
// NOTE: this is here for testing...
function loadImagesAround(ref_gid, count, ribbon){
var ribbon_i = getRibbonIndex(ribbon)
var gid = getGIDBefore(ref_gid, ribbon_i)