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extendRibbon now is position-stable, now need to compensate for removal/addition...

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Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
This commit is contained in:
Alex A. Naanou 2013-05-13 17:44:24 +04:00
parent a02b835127
commit 445980802d
2 changed files with 10 additions and 14 deletions
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1
ui/ImageGrid.data.js
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@ -278,6 +278,7 @@ function updateImages(size){
// //
// NOTE: this will reload the current image elements... // NOTE: this will reload the current image elements...
// NOTE: this is similar to extendRibbon(...) but different in interface... // NOTE: this is similar to extendRibbon(...) but different in interface...
// XXX correctly align the result...
function loadImages(ref_gid, count, ribbon){ function loadImages(ref_gid, count, ribbon){
ribbon = $(ribbon) ribbon = $(ribbon)
var images = ribbon.find('.image') var images = ribbon.find('.image')

23
ui/ImageGrid.js
View File

@ -294,9 +294,6 @@ function removeRibbon(ribbon){
// NOTE: negative left or right will contract the ribbon... // NOTE: negative left or right will contract the ribbon...
// XXX check what goes on if left/right are far more than length... // XXX check what goes on if left/right are far more than length...
// XXX compensating for added/removed images at the start of the ribbon
// does not work the same in every situation...
// ...for some reason it is correct ONLY for left == -right
function extendRibbon(left, right, ribbon){ function extendRibbon(left, right, ribbon){
ribbon = ribbon == null ? ribbon = ribbon == null ?
getRibbon() getRibbon()
@ -309,6 +306,7 @@ function extendRibbon(left, right, ribbon){
left: $([]), left: $([]),
right: $([]) right: $([])
} }
var pre = getRelativeVisualPosition($('.viewer'), ribbon).left
// truncate... // truncate...
// NOTE: we save the detached elements to reuse them on extending, // NOTE: we save the detached elements to reuse them on extending,
@ -329,22 +327,19 @@ function extendRibbon(left, right, ribbon){
res.right = createImages(right, removed).appendTo(ribbon) res.right = createImages(right, removed).appendTo(ribbon)
} }
// compensate for the truncation... // normalize position...
// XXX do we need to split this into a separate function? // NOTE: this is fool-proof as it's based on relative visual
// ...the rest of the function is pretty generic... // position...
// XXX for some reason this works correctly ONLY if left = -right var post = getRelativeVisualPosition($('.viewer'), ribbon).left
// ...appears to be connected with scale, but in a really odd if(pre != post){
// way... var scale = getElementScale($('.ribbon-set'))
//var scale = getElementScale($('.ribbon-set'))
if(left != 0){
var l = parseFloat(ribbon.css('left')) var l = parseFloat(ribbon.css('left'))
l = isNaN(l) ? 0 : l l = isNaN(l) ? 0 : l
l = l + (-left * images.outerWidth())
console.log('>>> compensating to:', l)
ribbon.css({ ribbon.css({
left: l left: l + (pre - post)/scale,
}) })
} }
// compensate for the truncation...
return res return res
} }