mirror of
https://github.com/flynx/ImageGrid.git
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400 lines
11 KiB
JavaScript
Executable File
400 lines
11 KiB
JavaScript
Executable File
/**********************************************************************
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*
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*
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*
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**********************************************************************/
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((typeof define)[0]=='u'?function(f){module.exports=f(require)}:define)
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(function(require){ var module={} // make module AMD/node compatible...
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/*********************************************************************/
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var toggler = require('lib/toggler')
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var actions = require('lib/actions')
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var features = require('lib/features')
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var core = require('features/core')
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var base = require('features/base')
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var widgets = require('features/ui-widgets')
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var browse = require('lib/widget/browse')
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var overlay = require('lib/widget/overlay')
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/*********************************************************************/
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// NOTE: this uses ui-chrome-hidden workspace to set the initial state
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// of the slideshow workspace.
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//
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// XXX would be a good idea to add provision for a timer to indicate
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// slideshow progress/status...
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// - make this a separate feature with a toggler
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// XXX might be a good idea to add "slideshow hold", for example while
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// mouse down...
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var SlideshowActions = actions.Actions({
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config: {
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'slideshow-looping': 'on',
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'slideshow-direction': 'forward',
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'slideshow-interval': '3s',
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'slideshow-interval-max-count': 7,
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'slideshow-hold': 'on',
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'slideshow-intervals': [
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'0.2s',
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'1s',
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'3s',
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'5s',
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'7s',
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],
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},
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toggleSlideshow: ['Slideshow/$Slideshow quick toggle',
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toggler.CSSClassToggler(
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function(){ return this.dom },
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'slideshow-running',
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function(state){
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// start...
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if(state == 'on'){
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var that = this
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// reset the timer...
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// NOTE: this means we were in a slideshow mode so we do not
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// need to prepare...
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if(this.__slideshow_timer){
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this.__slideshow_timer != 'suspended'
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&& clearInterval(this.__slideshow_timer)
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delete this.__slideshow_timer
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// prepare for the slideshow...
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} else {
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// single image mode...
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this.toggleSingleImage('on')
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// save current workspace...
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this.pushWorkspace()
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// construct the slideshow workspace if it does
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// not exist...
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//
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// NOTE: this is partially redundant with the
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// loadWorkspace.pre handler in the feature...
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if(this.workspaces['slideshow'] == null){
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this.loadWorkspace('ui-chrome-hidden')
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this.saveWorkspace('slideshow')
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}
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// load the slideshow workspace...
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this.loadWorkspace('slideshow')
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}
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// disable getting in/out of single image mode via clicks...
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if(this.config['single-image-toggle-on-click']){
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this.config['single-image-toggle-on-click'] = false
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}
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// start the timer...
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this.__slideshow_timer = setInterval(function(){
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var cur = that.current
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// next step...
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that.config['slideshow-direction'] == 'forward' ?
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that.nextImage()
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: that.prevImage()
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// we have reached the end...
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if(that.current == cur){
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// loop...
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if(that.config['slideshow-looping'] == 'on'){
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that.config['slideshow-direction'] == 'forward' ?
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that.firstImage()
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: that.lastImage()
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// stop...
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} else {
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that.toggleSlideshow('off')
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}
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}
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}, Date.str2ms(this.config['slideshow-interval'] || '3s'))
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// stop...
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} else {
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// stop timer...
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this.__slideshow_timer
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&& clearInterval(this.__slideshow_timer)
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delete this.__slideshow_timer
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// restore the original workspace...
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this.popWorkspace()
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}
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})],
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// XXX should this reflect slideshow state???? (ready, running, paused???)
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slideshowDialog: ['Slideshow/Slideshow...',
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widgets.makeUIDialog(function(){
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var that = this
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// suspend the timer if it's not suspended outside...
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var suspended_timer = this.__slideshow_timer == 'suspended'
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suspended_timer || this.suspendSlideshowTimer()
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// XXX might be a good idea to make this generic...
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var _makeToggleHandler = function(toggler){
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return function(){
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var txt = $(this).find('.text').first().text()
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that[toggler]()
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o.update()
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.then(function(){ o.select(txt) })
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that.toggleSlideshow('?') == 'on'
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&& o.close()
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}
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}
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var o = browse.makeLister(null, function(path, make){
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make(['$Interval: ',
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function(){ return that.config['slideshow-interval'] }])
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.on('open', function(){
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that.slideshowIntervalDialog(make.dialog) })
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make(['$Direction: ',
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function(){ return that.config['slideshow-direction'] }])
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.on('open', _makeToggleHandler('toggleSlideshowDirection'))
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make(['$Looping: ',
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function(){ return that.config['slideshow-looping'] }])
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.on('open', _makeToggleHandler('toggleSlideshowLooping'))
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// Start/stop...
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make([function(){
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return that.toggleSlideshow('?') == 'on' ? '$Stop' : '$Start' }])
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.on('open', function(){
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that.toggleSlideshow()
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o.close()
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})
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},
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{
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path: that.toggleSlideshow('?') == 'on' ? 'Stop' : 'Start',
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cls: 'table-view tail-action',
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})
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.on('close', function(){
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// reset the timer if it was not suspended outside...
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suspended_timer
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|| that.resetSlideshowTimer()
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})
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return o
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})],
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// settings...
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// NOTE: these are disabled as they are repeated in the slideshow dialog...
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// XXX do we need both these and the dialog???
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slideshowIntervalDialog: ['- Slideshow/Slideshow $interval...',
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widgets.makeUIDialog(function(parent){
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var that = this
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var dialog = widgets.makeConfigListEditor(
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that,
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'slideshow-intervals',
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'slideshow-interval',
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{
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length_limit: that.config['slideshow-interval-max-count'],
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check: Date.str2ms,
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unique: Date.str2ms,
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sort: function(a, b){
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return Date.str2ms(a) - Date.str2ms(b) },
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})
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.on('start', function(){
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// suspend the timer if it's not suspended outside...
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this.__slideshow_timer == 'suspended'
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|| this.suspendSlideshowTimer()
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})
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.on('close', function(){
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// reset the timer if it was not suspended outside...
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this.__slideshow_timer == 'suspended'
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|| that.resetSlideshowTimer()
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if(parent){
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var txt = parent.select('!').find('.text').first().text()
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parent.update()
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.then(function(){
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txt != ''
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&& parent.select(txt)
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})
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}
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})
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return dialog
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})],
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toggleSlideshowDirection: ['- Slideshow/Slideshow $direction',
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core.makeConfigToggler('slideshow-direction', ['forward', 'reverse'])],
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toggleSlideshowLooping: ['- Slideshow/Slideshow $looping',
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core.makeConfigToggler('slideshow-looping', ['on', 'off'])],
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toggleSlideshowHold: ['Interface|Slideshow/Slideshow $hold',
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core.makeConfigToggler('slideshow-hold', ['on', 'off'])],
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resetSlideshowTimer: ['- Slideshow/Reset slideshow timer',
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function(){
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this.__slideshow_timer && this.toggleSlideshow('on') }],
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suspendSlideshowTimer: ['- Slideshow/Suspend slideshow timer',
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function(){
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if(this.__slideshow_timer){
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clearInterval(this.__slideshow_timer)
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this.__slideshow_timer = 'suspended'
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}
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}],
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toggleSlideshowTimer:['Slideshow/Pause or resume running slideshow',
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core.doc`
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NOTE: this will have no effect if the slideshow is not running...
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`,
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{browseMode: function(){ return this.toggleSlideshow('?') == 'off' && 'disabled' }},
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toggler.Toggler(null,
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function(_, state){
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if(state == null){
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return this.__slideshow_timer == 'suspended' ? 'paused'
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: !!this.__slideshow_timer ? 'running'
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: 'off'
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}
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if(this.toggleSlideshow('?') != 'on'){
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return
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}
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// handle state changing...
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if(state == 'paused' || state == 'off'){
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this.suspendSlideshowTimer()
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return 'paused'
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} else {
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this.resetSlideshowTimer()
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return 'running'
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}
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},
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// XXX should we return different sets of states when
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// slideshow is running and when not?
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// ...the problem is what to return when slideshow is
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// not running???
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['paused', 'running', 'off'])],
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resetSlideshowWorkspace: ['Slideshow/Reset workspace',
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function(){ delete this.workspaces['slideshow'] }],
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})
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var Slideshow =
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module.Slideshow = core.ImageGridFeatures.Feature({
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title: '',
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doc: '',
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tag: 'ui-slideshow',
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depends: [
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'ui',
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'ui-single-image',
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],
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actions: SlideshowActions,
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handlers: [
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// add a placeholder for slideshow workspace, this is to make the
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// workspace toggler show it as one of the options...
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//
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// NOTE: the slideshow workspace will get populated either on
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// loading it for the first time or on first running a
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// slideshow...
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['start',
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function(){
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if(this.workspaces['slideshow'] == null){
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this.workspaces['slideshow'] = null
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}
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}],
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['load',
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function(){ this.toggleSlideshow('off') }],
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// - build the slideshow workspace for the first time if it's not
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// present yet (is null)...
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// - restore .config['single-image-toggle-on-click']
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['loadWorkspace.pre',
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function(workspace){
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// going out of slideshow -> restore settings...
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var data = this.workspaces[workspace] || {}
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if(this.workspace == 'slideshow'){
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if(!('single-image-toggle-on-click' in data)){
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delete this.config['single-image-toggle-on-click']
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} else {
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this.config['single-image-toggle-on-click'] =
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data['single-image-toggle-on-click']
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}
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}
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// going into slideshow for first time -> setup...
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if(workspace == 'slideshow' && this.workspaces['slideshow'] == null){
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return function(){
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this.loadWorkspace('ui-chrome-hidden')
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this.saveWorkspace('slideshow')
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}
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}
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}],
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// do not leave the viewer in slideshow mode...
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['stop',
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function(){ this.toggleSlideshow('off') }],
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// slideshow hold...
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//
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// Holding down a key or mouse button will suspend the slideshow
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// and resume it when the key/button is released...
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//
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// XXX experimental, needs more testing...
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['toggleSlideshow',
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function(){
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var that = this
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if(!this.dom){
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return
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}
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var hold = this.__slideshow_hold_handler
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= this.__slideshow_hold_handler
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|| function(){
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var h = that.__slideshow_holding
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if(h == null && that.toggleSlideshowTimer('?') == 'running'){
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that.__slideshow_holding = 1
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that.suspendSlideshowTimer()
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// handle multiple events stacked...
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} else {
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that.__slideshow_holding += 1
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}
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}
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var release = this.__slideshow_release_handler
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= this.__slideshow_release_handler
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|| function(){
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var h = that.__slideshow_holding =
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// unstack multiple events...
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(that.__slideshow_holding || -1) - 1
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if(h == 0){
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that.resetSlideshowTimer()
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delete that.__slideshow_holding
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}
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}
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if(this.toggleSlideshow('?') == 'on'){
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this.dom.on('keydown mousedown', hold)
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this.dom.on('keydown mouseup', release)
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} else {
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this.dom.off('keyup mousedown', hold)
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this.dom.off('keyup mouseup', release)
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}
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}]
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//*/
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],
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})
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/**********************************************************************
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* vim:set ts=4 sw=4 : */ return module })
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