Alex A. Naanou 448099d9e7 mostly fixed broken drag...
Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
2016-12-07 02:03:10 +03:00

686 lines
18 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 toggler = require('lib/toggler')
var core = require('features/core')
/*********************************************************************/
// helper...
function didAdvance(indicator){
return function(){
var img = this.data ? this.data.current : null
return function(){
if(img == null || img == this.data.current){
this.flashIndicator(indicator)
}
}
}
}
var BoundsIndicatorsActions = actions.Actions({
flashIndicator: ['- Interface/Flash an indicator',
function(direction){
if(this.ribbons.getRibbonSet().length == 0){
return
}
var cls = {
// shift up/down...
up: '.up-indicator',
down: '.down-indicator',
// hit start/end/top/bottom of view...
start: '.start-indicator',
end: '.end-indicator',
top: '.top-indicator',
bottom: '.bottom-indicator',
}[direction]
var indicator = this.ribbons.viewer.find(cls)
if(indicator.length == 0){
indicator = $('<div>')
.addClass(cls.replace('.', ''))
.appendTo(this.ribbons.viewer)
}
return indicator
// NOTE: this needs to be visible in all cases and key press
// rhythms...
.show()
.delay(100)
.fadeOut(300)
}],
})
var BoundsIndicators =
module.BoundsIndicators = core.ImageGridFeatures.Feature({
title: '',
doc: '',
tag: 'ui-bounds-indicators',
depends: ['ui'],
actions: BoundsIndicatorsActions,
handlers: [
// basic navigation...
['nextImage.pre lastImage.pre', didAdvance('end')],
['prevImage.pre firstImage.pre', didAdvance('start')],
['nextRibbon.pre lastRibbon.pre', didAdvance('bottom')],
['prevRibbon.pre firstRibbon.pre', didAdvance('top')],
// vertical shifting...
['shiftImageUp.pre',
function(target){
target = target || this.current
var r = this.data.getRibbonOrder(target)
var l = this.data.getImages(r).length
var l0 = this.data.getImages(0).length
return function(){
// when shifting last image of top ribbon (i.e. length == 1)
// up the state essentially will not change...
if((r == 0 && l == 1)
// we are shifting to a new empty ribbon...
|| (r == 1 && l == 1 && l0 == 0)){
this.flashIndicator('top')
} else {
this.flashIndicator('up')
}
}
}],
['shiftImageDown.pre',
function(target){
target = target || this.current
var r0 = this.data.getRibbonOrder(target)
var l = this.data.getImages(r0).length
return function(){
var r1 = this.data.getRibbonOrder(target)
if(r0 == r1 && r0 == this.data.ribbon_order.length-1 && l == 1){
this.flashIndicator('bottom')
} else {
this.flashIndicator('down')
}
}
}],
// horizontal shifting...
['shiftImageLeft.pre',
function(target){
if(target == null
//&& actions.data.getImageOrder('ribbon') == 0){
&& this.data.getImage('prev') == null){
this.flashIndicator('start')
}
}],
['shiftImageRight.pre',
function(target){
if(target == null
&& this.data.getImage('next') == null){
this.flashIndicator('end')
}
}],
],
})
//---------------------------------------------------------------------
var CurrentImageIndicatorActions = actions.Actions({
config: {
'current-image-border': 3,
'current-image-min-border': 2,
'current-image-border-timeout': 200,
'current-image-shift-timeout': 200,
'current-image-indicator-fadein': 500,
'current-image-indicator-hide-timeout': 250,
'current-image-indicator-restore-delay': 500,
// this can be:
// 'hide' - simply hide on next/prev screen action
// and show on focus image.
// 'hide-show' - hide on fast scroll through screens and
// show when slowing down.
'current-image-indicator-screen-nav-mode': 'hide',
},
updateCurrentImageIndicator: ['- Interface/Update current image indicator',
function(target, update_border, scale){
var ribbon_set = this.ribbons.getRibbonSet()
var locator = this.ribbons.getRibbonLocator()
if(ribbon_set.length == 0){
return
}
scale = scale || this.scale
var cur = this.ribbons.getImage(target)
// NOTE: cur may be unloaded...
var ribbon = this.ribbons.getRibbon(cur.length > 0 ? target : this.currentRibbon)
var marker = ribbon.find('.current-marker')
// remove marker if current image is not loaded...
if(cur.length == 0){
marker.remove()
return
}
// get config...
var border = this.config['current-image-border']
var min_border = this.config['current-image-min-border']
var border_timeout = this.config['current-image-border-timeout']
var fadein = this.config['current-image-indicator-fadein']
// no marker found -- either in different ribbon or not created yet...
if(marker.length == 0){
// get marker globally...
marker = this.ribbons.viewer.find('.current-marker')
// no marker exists -- create a marker...
if(marker.length == 0){
var marker = $('<div/>')
.addClass('current-marker ui-current-image-indicator')
.css({
opacity: '0',
// NOTE: these are not used for positioning
// but are needed for correct absolute
// placement...
top: '0px',
left: '0px',
})
.appendTo(ribbon)
.animate({
'opacity': 1
}, fadein)
this.ribbons.dom.setOffset(marker, 0, 0)
// add marker to current ribbon...
} else {
marker.appendTo(ribbon)
}
}
// NOTE: we will update only the attrs that need to be updated...
var css = {}
var w = cur.outerWidth(true)
var h = cur.outerHeight(true)
// accommodate for non-square images...
// XXX this might have problems when scaling...
if(Math.floor(w) != Math.floor(h)){
css.width = w / scale
// XXX do we ever need to set height in a ribbon???
//css.height = h / scale
// square image -> let CSS do the work...
} else {
css.width = ''
css.height = ''
}
// update border...
if(update_border !== false){
var border = Math.max(min_border, border / scale)
// set border right away...
if(update_border == 'before'){
//css.borderWidth = border
marker.css({ borderWidth: border })
// set border with a delay...
// NOTE: this is to prevent the ugly border resize before
// the scale on scale down animation starts...
} else {
setTimeout(function(){
marker.css({ borderWidth: border })
}, border_timeout)
}
}
/* // set absolute offset...
this.ribbons.dom.setOffset(marker,
cur[0].offsetLeft - (parseFloat(cur[0].style.marginLeft) || 0),
0)
*/
// set relative offset...
var W = Math.min(document.body.offsetWidth, document.body.offsetHeight)
var x = ((cur[0].offsetLeft - (parseFloat(cur[0].style.marginLeft) || 0))/W)*100 + 'vmin'
marker.transform({x: x, y: 0, z: 0})
marker.css(css)
}],
})
var CurrentImageIndicator =
module.CurrentImageIndicator = core.ImageGridFeatures.Feature({
title: '',
doc: '',
tag: 'ui-current-image-indicator',
depends: ['ui'],
actions: CurrentImageIndicatorActions,
handlers: [
// move marker to current image...
['focusImage.post',
function(){ this.updateCurrentImageIndicator() }],
// prevent animations when focusing ribbons...
['focusRibbon.pre',
function(){
var m = this.ribbons.viewer.find('.current-marker')
this.ribbons.preventTransitions(m)
return function(){
this.ribbons.restoreTransitions(m)
}
}],
// this is here to compensate for position change on ribbon
// resize...
// NOTE: hide/show of indicator on resize appears to have solved
// the jumpy animation issue.
// this might cause some blinking on slow resizes (visible
// only on next/prev screen)...
// ...still not sure why .preventTransitions(m) did not
// do the job.
//
// XXX BUG: sometimes this is out of sync with ribbon update resulting
// in the marker positioned in the wrong spot...
['resizeRibbon.pre',
function(target, s){
var m = this.ribbons.viewer.find('.current-marker')
// only update if marker exists and we are in current ribbon...
if(m.length != 0 && this.currentRibbon == this.data.getRibbon(target)){
m.hide()
return function(){
this.updateCurrentImageIndicator(target, false)
m
.show()
// NOTE: keeping display in inline style will
// prevent the element from being hidden
// by css...
.css({display: ''})
}
}
}],
// Change border size in the appropriate spot in the animation:
// - before animation when scaling up
// - after when scaling down
// This is done to make the visuals consistent...
//['fitImage.pre fitRibbon.pre setScale.pre',
['resizing.pre',
function(unit, w1){
var w0 = this[unit]
w1 = w1 || 1
w0 > w1
&& this.updateCurrentImageIndicator(null,
'before',
// NOTE: we need to get the target scale as we
// have not started resizing yet...
(w0 / w1) * this.scale)
}],
['resizingDone',
function(){
this.updateCurrentImageIndicator(null, 'before') }],
['shiftImageLeft.pre shiftImageRight.pre',
function(){
this.ribbons.viewer.find('.current-marker').hide()
if(this._current_image_indicator_timeout != null){
clearTimeout(this._current_image_indicator_timeout)
delete this._current_image_indicator_timeout
}
return function(){
var ribbons = this.ribbons
var fadein = this.config['current-image-indicator-fadein']
this._current_image_indicator_timeout = setTimeout(function(){
var m = ribbons.viewer.find('.current-marker')
m.fadeIn(fadein, function(){
m.css({display: ''})
})
}, this.config['current-image-shift-timeout'])
}
}],
// hide and remove current image indicator...
// NOTE: it will be reconstructed on
// next .focusImage(..)
['ribbonPanning.pre',
function(){
this.__current_image_indicator_restore_timeout
&& clearTimeout(this.__current_image_indicator_restore_timeout)
delete this.__current_image_indicator_restore_timeout
var m = this.ribbons.viewer
.find('.current-marker')
.velocity({opacity: 0}, {
duration: 100,
complete: function(){
m.remove()
},
})
}],
['ribbonPanning.post',
function(){
var that = this
this.__current_image_indicator_restore_timeout = setTimeout(function(){
that.updateCurrentImageIndicator()
}, this.config['current-image-indicator-restore-delay'] || 500)
}],
// single image view...
['toggleSingleImage',
function(){
this.toggleSingleImage('?') == 'off'
&& this.updateCurrentImageIndicator()
}],
],
})
var CurrentImageIndicatorHideOnFastScreenNav =
module.CurrentImageIndicatorHideOnFastScreenNav = core.ImageGridFeatures.Feature({
title: '',
doc: '',
tag: 'ui-current-image-indicator-hide-on-fast-screen-nav',
depends: [
'ui',
'ui-current-image-indicator'
],
exclusive: ['ui-current-image-indicator-hide'],
handlers: [
// hide indicator on screen next/prev...
//
// XXX experimental -- not sure if we need this...
// XXX need to think about the trigger mechanics here and make
// them more natural...
['prevScreen.pre nextScreen.pre',
function(){
var m = this.ribbons.viewer.find('.current-marker')
var t = this.config['current-image-indicator-hide-timeout']
var cur = this.current
return function(){
var that = this
// delay fadeout...
if(cur != this.current
&& m.css('opacity') == 1
&& this.__current_indicator_t0 == null){
this.__current_indicator_t0 = setTimeout(function(){
delete that.__current_indicator_t0
m.css({ opacity: 0 })
}, t)
}
// cancel/delay previous fadein...
if(this.__current_indicator_t1 != null){
clearTimeout(this.__current_indicator_t1)
}
// cancel fadeout and do fadein...
this.__current_indicator_t1 = setTimeout(function(){
delete that.__current_indicator_t1
// cancel fadeout...
if(that.__current_indicator_t0 != null){
clearTimeout(that.__current_indicator_t0)
delete that.__current_indicator_t0
}
// show...
m.animate({ opacity: '1' })
}, t-50)
}
}],
],
})
var CurrentImageIndicatorHideOnScreenNav =
module.CurrentImageIndicatorHideOnScreenNav = core.ImageGridFeatures.Feature({
title: '',
doc: '',
tag: 'ui-current-image-indicator-hide-on-screen-nav',
depends: [
'ui',
'ui-current-image-indicator'
],
exclusive: ['ui-current-image-indicator-hide'],
handlers: [
// this does the following:
// - hide on screen jump
// - show on any other action
//
// NOTE: we use .pre events here to see if we have moved...
['prevScreen.post nextScreen.post',
function(){
var m = this.ribbons.viewer.find('.current-marker')
m.css({ opacity: 0 })
}],
['focusImage.post',
function(){
var m = this.ribbons.viewer.find('.current-marker')
m.css({ opacity: '' })
}],
],
})
//---------------------------------------------------------------------
// XXX this should:
// - float to the left of a ribbon if image #1 is fully visible (working)
// - float at left of viewer if image #1 is off screen...
// - float on the same level as the base ribbon...
// XXX make this an action...
var updateBaseRibbonIndicator = function(img){
var scale = this.ribbons.scale()
var base = this.ribbons.getRibbon('base')
img = this.ribbons.getImage(img)
var m = base.find('.base-ribbon-marker')
if(base.length == 0){
return
}
if(m.length == 0){
m = this.ribbons.viewer.find('.base-ribbon-marker')
// make the indicator...
if(m.length == 0){
m = $('<div>')
.addClass('base-ribbon-marker')
.text('base ribbon')
}
m.prependTo(base)
}
// XXX this is wrong -- need to calculate the offset after the move and not now...
if(base.offset().left < 0){
m.css('left', (img.position().left + img.width()/2 - this.ribbons.viewer.width()/2) / scale)
} else {
m.css('left', '')
}
}
var BaseRibbonIndicator =
module.BaseRibbonIndicator = core.ImageGridFeatures.Feature({
title: '',
doc: '',
tag: 'ui-base-ribbon-indicator',
depends: ['ui'],
handlers: [
// move marker to current image...
['focusImage.pre',
function(target){
updateBaseRibbonIndicator.call(this, target)
}],
// prevent animations when focusing ribbons...
['focusRibbon.pre setBaseRibbon',
function(){
updateBaseRibbonIndicator.call(this)
/*
this.ribbons.preventTransitions(m)
return function(){
this.ribbons.restoreTransitions(m)
}
*/
}],
]
})
var PassiveBaseRibbonIndicator =
module.PassiveBaseRibbonIndicator = core.ImageGridFeatures.Feature({
title: '',
doc: '',
tag: 'ui-passive-base-ribbon-indicator',
depends: ['ui'],
config: {
'ui-show-passive-base-ribbon-indicator': true,
},
actions: actions.Actions({
togglePassiveBaseRibbonIndicator: ['Interface/Toggle passive base ribbon indicator',
toggler.CSSClassToggler(
function(){ return this.ribbons.viewer },
'show-passive-base-ribbon-indicator',
function(state){
this.config['ui-show-passive-base-ribbon-indicator'] = state == 'on' }) ],
}),
handlers: [
['start',
function(){
this.togglePassiveBaseRibbonIndicator(
this.config['ui-show-passive-base-ribbon-indicator'] ?
'on' : 'off')
}]
],
})
//---------------------------------------------------------------------
// XXX make this work in browser
var UIScaleActions = actions.Actions({
config: {
// XXX
'ui-scale-modes': {
desktop: 0,
touch: 3,
},
},
// XXX need to account for scale in PartialRibbons
// XXX should this be browser API???
// XXX this does not re-scale the ribbons correctly in nw0.13
toggleInterfaceScale: ['Interface/Toggle interface modes',
core.makeConfigToggler('ui-scale-mode',
function(){ return Object.keys(this.config['ui-scale-modes']) },
function(state){
var gui = requirejs('nw.gui')
var win = gui.Window.get()
this.ribbons.preventTransitions()
var w = this.screenwidth
// NOTE: scale = Math.pow(1.2, zoomLevel)
// XXX in nw0.13 this appears to be async...
win.zoomLevel = this.config['ui-scale-modes'][state] || 0
this.screenwidth = w
this.centerViewer()
this.ribbons.restoreTransitions()
})],
})
// XXX enable scale loading...
// ...need to make this play nice with restoring scale on startup...
var UIScale =
module.UIScale = core.ImageGridFeatures.Feature({
title: '',
doc: '',
tag: 'ui-scale',
depends: [
'ui',
],
actions: UIScaleActions,
// XXX test if in:
// - chrome app
// - nw
// - mobile
isApplicable: function(){ return this.runtime == 'nw' },
// XXX show main window...
handlers: [
['start',
function(){
// XXX this messes up ribbon scale...
// ...too close/fast?
//this.toggleInterfaceScale('!')
}],
],
})
/**********************************************************************
* vim:set ts=4 sw=4 : */ return module })