mirror of
https://github.com/flynx/ImageGrid.git
synced 2025-10-29 10:20:08 +00:00
232 lines
7.2 KiB
JavaScript
Executable File
232 lines
7.2 KiB
JavaScript
Executable File
/**********************************************************************
|
|
*
|
|
*
|
|
*
|
|
**********************************************************************/
|
|
((typeof define)[0]=='u'?function(f){module.exports=f(require)}:define)
|
|
(function(require){ var module={} // make module AMD/node compatible...
|
|
/*********************************************************************/
|
|
|
|
var actions = require('lib/actions')
|
|
var features = require('lib/features')
|
|
|
|
var core = require('features/core')
|
|
|
|
|
|
|
|
/*********************************************************************/
|
|
|
|
var PartialRibbonsActions = actions.Actions({
|
|
config: {
|
|
// Number of screen widths to load...
|
|
'ribbon-size-screens': 7,
|
|
|
|
// Amount of screen widths to keep around the current image...
|
|
'ribbon-update-threshold': 1.2,
|
|
|
|
// Oversize multiplier limit when we resize the ribbon down...
|
|
'ribbon-resize-threshold': 2,
|
|
|
|
// Sets size of ribbons in single image mode...
|
|
'ribbons-resize-single-image': 21,
|
|
},
|
|
|
|
updateRibbon: ['- Interface/Update partial ribbon size',
|
|
function(target, w, size, threshold){
|
|
target = target instanceof jQuery
|
|
? this.ribbons.getElemGID(target)
|
|
// NOTE: data.getImage(..) can return null at start or end
|
|
// of ribbon, thus we need to account for this...
|
|
: (this.data.getImage(target)
|
|
|| this.data.getImage(target, 'after'))
|
|
w = w || this.screenwidth
|
|
// get config data and normalize...
|
|
size = (size
|
|
|| this.config['ribbon-size-screens']
|
|
|| 9) * w
|
|
threshold = threshold == 0 ? threshold
|
|
: (threshold
|
|
|| this.config['ribbon-resize-threshold']
|
|
|| 2)
|
|
var update_threshold = (this.config['ribbon-update-threshold'] || 2) * w
|
|
var data = this.data
|
|
var ribbons = this.ribbons
|
|
|
|
// localize transition prevention...
|
|
// NOTE: we can't get ribbon via target directly here as
|
|
// the target might not be loaded...
|
|
var r_gid = data.getRibbon(target)
|
|
if(r_gid == null){
|
|
return
|
|
}
|
|
// NOTE: for the initial load this may be empty...
|
|
var r = ribbons.getRibbon(r_gid)
|
|
|
|
// next/prev loaded...
|
|
var img = this.ribbons.getImage(target)
|
|
var nl = img.nextAll('.image:not(.clone)').length
|
|
var pl = img.prevAll('.image:not(.clone)').length
|
|
var loaded = nl + pl + 1
|
|
|
|
// next/prev available...
|
|
// NOTE: we do not include target in counts...
|
|
var gids = this.data.getImages(target, size, 'total')
|
|
var na = gids.slice(gids.indexOf(target)+1).length
|
|
var pa = gids.slice(0, gids.indexOf(target)).length
|
|
|
|
// full resize...
|
|
if(threshold == 0
|
|
// ribbon not loaded...
|
|
|| img.length == 0
|
|
// ribbon shorter than we expect...
|
|
|| (loaded < size && na + pa > loaded)
|
|
// ribbon too long...
|
|
|| loaded > size * threshold){
|
|
//console.log('RESIZE')
|
|
this.resizeRibbon(target, size)
|
|
//*/
|
|
|
|
/*/ XXX long jump condition......
|
|
if(img.length != 0
|
|
&& (r.length == 0
|
|
// ribbon shorter than we expect...
|
|
|| (loaded < size && na + pa > loaded)
|
|
// ribbon too long...
|
|
|| loaded > size * threshold)){
|
|
console.log('RESIZE')
|
|
this.resizeRibbon(target, size)
|
|
|
|
// image is off screen -- align off then animate...
|
|
// 1) initial state
|
|
// T <- [---|---x---|---------------]
|
|
// 2) load new state but align off screen
|
|
// [-------T-------|-------|---]
|
|
// 3) animate
|
|
// [---|---T---|---------------]
|
|
// XXX this makes the draw worse...
|
|
} else if(img.length == 0 ){
|
|
console.log('LONG-JUMP')
|
|
r.length == 0 ?
|
|
// ribbon not loaded...
|
|
this.resizeRibbon(target, size)
|
|
// simply update...
|
|
: this.ribbons
|
|
.preventTransitions(r)
|
|
.updateRibbonInPlace(
|
|
gids,
|
|
r_gid,
|
|
data.getImageOrder(this.current) > data.getImageOrder(target) ?
|
|
gids[gids.length - w]
|
|
: gids[w])
|
|
.restoreTransitions(r, true)
|
|
//*/
|
|
|
|
// in-place update...
|
|
// passed threshold on the right...
|
|
} else if((nl < update_threshold && na > nl)
|
|
// passed threshold on the left...
|
|
|| (pl < update_threshold && pa > pl)
|
|
// loaded more than we need by threshold...
|
|
|| nl + pl + 1 > size + update_threshold){
|
|
//console.log('UPDATE')
|
|
// XXX a bit jumpy, need to make this work sync within
|
|
// as close to a single frame as possible...
|
|
// XXX .preventTransitions(..) seems not to have the
|
|
// desired effect...
|
|
// ...might also be a good idea to update the indicator
|
|
// or give it an event to update to...
|
|
(r.length == 0
|
|
|| (this.toggleSingleImage
|
|
&& this.toggleSingleImage('?') == 'on')) ?
|
|
// resize...
|
|
this.resizeRibbon(target, size)
|
|
// simply update...
|
|
: this.ribbons
|
|
.preventTransitions(r)
|
|
.updateRibbonInPlace(
|
|
gids,
|
|
r_gid,
|
|
// XXX this makes the animation of the ribbon
|
|
// a bit smoother but messes up the indicator
|
|
// a bit...
|
|
// ...this needs the update process to happen
|
|
// very fast comparing to the animation itself
|
|
// to stay in sync...
|
|
//gids.indexOf(this.current) >= 0 ? 'current' : target)
|
|
// XXX STUB: this makes the ribbon animation a bit
|
|
// jumpy but does not touch the indicator
|
|
// animation...
|
|
target)
|
|
//.restoreTransitions(r, true)
|
|
.restoreTransitions(r)
|
|
}
|
|
}],
|
|
})
|
|
|
|
var PartialRibbons =
|
|
module.PartialRibbons = core.ImageGridFeatures.Feature({
|
|
title: '',
|
|
doc: '',
|
|
|
|
priority: 'high',
|
|
|
|
tag: 'ui-partial-ribbons-2',
|
|
exclusive: ['ui-partial-ribbons'],
|
|
depends: [
|
|
'ui',
|
|
],
|
|
suggested: [
|
|
'ui-partial-ribbons-precache',
|
|
],
|
|
|
|
actions: PartialRibbonsActions,
|
|
|
|
handlers: [
|
|
['focusImage.pre centerImage.pre',
|
|
function(target, list){
|
|
// NOTE: we have to do this as we are called BEFORE the
|
|
// actual focus change happens...
|
|
// XXX is there a better way to do this???
|
|
target = list != null ? target = this.data.getImage(target, list) : target
|
|
|
|
this.updateRibbon(target)
|
|
}],
|
|
['resizing.post',
|
|
function(_, unit, size){
|
|
// keep constant size in single image...
|
|
if(this.toggleSingleImage && this.toggleSingleImage('?') == 'on'){
|
|
this.updateRibbon(
|
|
'current',
|
|
this.config['ribbons-resize-single-image'] || 13)
|
|
|
|
} else if(unit == 'scale'){
|
|
this.updateRibbon('current', this.screenwidth / size || 1)
|
|
|
|
} else if(unit == 'screenwidth'){
|
|
this.updateRibbon('current', size || 1)
|
|
|
|
} else if(unit == 'screenheight'){
|
|
size = size || 1
|
|
|
|
// convert target height in ribbons to width in images...
|
|
// NOTE: this does not account for compensation that
|
|
// .updateRibbon(..) makes for fitting whole image
|
|
// counts, this is a small enough error so as not
|
|
// to waste time on...
|
|
var s = this.ribbons.scale()
|
|
var h = this.ribbons.getScreenHeightRibbons()
|
|
var w = this.ribbons.getScreenWidthImages()
|
|
var nw = w / (h/size)
|
|
|
|
this.updateRibbon('current', nw)
|
|
}
|
|
}],
|
|
],
|
|
})
|
|
|
|
|
|
|
|
|
|
/**********************************************************************
|
|
* vim:set ts=4 sw=4 : */ return module })
|