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			2041 lines
		
	
	
		
			54 KiB
		
	
	
	
		
			JavaScript
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			2041 lines
		
	
	
		
			54 KiB
		
	
	
	
		
			JavaScript
		
	
	
		
			Executable File
		
	
	
	
	
/**********************************************************************
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* 
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*
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*
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**********************************************************************/
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define(function(require){ var module = {}
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//var DEBUG = DEBUG != null ? DEBUG : true
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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 data = require('data')
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var images = require('images')
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var ribbons = require('ribbons')
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var core = require('features/core')
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var base = require('features/base')
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/*********************************************************************/
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var reloadAfter =
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module.reloadAfter =
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function(force, callback){
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	return function(){
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		return function(){
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			// NOTE: this may seem like cheating, but .reload() should
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			// 		be very efficient, reusing all of the items loaded...
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			this.reload(force)
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			callback && callback.apply(this, arguments)
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		}
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	}
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}
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// XXX make this compatible with multiple images...
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// XXX for muptiple targets this will just do a .reload()...
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var updateImagePosition =
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module.updateImagePosition =
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function updateImagePosition(actions, target){
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	if(actions.ribbons.getRibbonSet().length == 0){
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		return
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	}
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	target = target || actions.current
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	target = target instanceof jQuery 
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		? actions.ribbons.getElemGID(target) 
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		: target
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	var source_ribbon = actions.ribbons.getElemGID(actions.ribbons.getRibbon(target))
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	var source_order = actions.data.getImageOrder(target)
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	return function(){
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		actions.ribbons.preventTransitions()
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		// XXX hack...
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		if(target.constructor === Array){
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			actions.reload()
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			return
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		}
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		var target_ribbon = actions.data.getRibbon(target)
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		// nothing changed...
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		if(source_ribbon == target_ribbon 
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				&& actions.data.getImageOrder(target) == source_order){
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			return
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		}
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		// place image at position...
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		var to = actions.data.getImage(target, 'next')
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		if(to != null){
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			actions.ribbons.placeImage(target, to, 'before')
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		} else {
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			// place image after position...
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			to = actions.data.getImage(target, 'prev')
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			if(to != null){
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				actions.ribbons.placeImage(target, to, 'after')
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			// new ribbon...
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			} else {
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				to = actions.data.getRibbon(target)
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				if(actions.ribbons.getRibbon(to).length == 0){
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					actions.ribbons.placeRibbon(to, actions.data.getRibbonOrder(target))
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				}
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				actions.ribbons.placeImage(target, to)
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			}
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		}
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		if(actions.data.getImages(source_ribbon).length == 0){
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			actions.ribbons.getRibbon(source_ribbon).remove()
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		}
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		actions.focusImage()
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		actions.ribbons.restoreTransitions(true)
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	}
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}
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/*********************************************************************/
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// Viewer (widget/interface)...
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//
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// Workspaces:
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// 	ui-chrome-hidden		- all features handling chrome elements 
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// 								should hide all the chrome when this 
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// 								workspace loads.
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// 								NOTE: other workspace functionality 
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// 									should be handled without change.
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//
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// NOTE: this uses the base feature API but does not need it imported...
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//
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// XXX split this into read and write actions...
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var ViewerActions = 
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module.ViewerActions = actions.Actions({
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	config: {
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		// The maximum screen width allowed when zooming...
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		'max-screen-images': 30,
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		// A step (multiplier) used by .zoomIn()/.zoomOut() actions.
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		// NOTE: this is rounded to the nearest whole screen width in images
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		// 		and current fit-overflow added.
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		'zoom-step': 1.2,
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		// added to odd number of images to fit to indicate scroll ability...
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		// ...this effectively sets the closest distance an image can be from
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		// the viewer edge...
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		'fit-overflow': 0.2,
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		// Theme to set on startup...
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		'theme': null,
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		// Supported themes...
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		'themes': [
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			'gray', 
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			'dark', 
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			'light',
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		],
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		'ribbon-theme': 'black',
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		'ribbon-themes': [
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			'black-ribbon',
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			'gray-ribbon',
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			'light-gray-ribbon',
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			'transparent-ribbon',
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		],
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		// XXX BUG: for some reason this get's shadowed by base.config...
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		'ribbon-focus-modes': [
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			'visual',	// select image closest visually 
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			'order',	// select image closest to current in order
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			'first',	// select first image
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			'last',		// select last image
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		],
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		'ribbon-focus-mode': 'visual',
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	},
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	// Images...
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	// XXX this seems like a hack...
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	// 		...should this be here???
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	get images(){
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		return this.ribbons != null ? this.ribbons.images : null
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	},
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	// NOTE: if ribbons are null this will have no effect...
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	set images(value){
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		if(this.ribbons != null){
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			this.ribbons.images = value
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		}
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	},
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	get screenwidth(){
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		return this.ribbons != null ? this.ribbons.getScreenWidthImages() : null
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	},
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	set screenwidth(n){
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		this.fitImage(n)
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	},
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	get screenheight(){
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		return this.ribbons != null ? this.ribbons.getScreenHeightRibbons() : null
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	},
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	set screenheight(n){
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		this.fitRibbon(n)
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	},
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	load: [
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		function(data){
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			return function(){
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				// recycle the viewer if one is not given specifically...
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				var viewer = data.viewer
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				viewer = viewer == null && this.ribbons != null 
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					? this.ribbons.viewer 
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					: viewer
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				if(this.ribbons == null){
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					this.ribbons = ribbons.Ribbons(viewer, this.images)
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					// XXX is this correct???
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					this.ribbons.__image_updaters = [this.updateImage.bind(this)]
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				} else {
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					this.ribbons.clear()
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					this.ribbons.images = this.images
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				}
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				this.reload()
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			}
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		}],
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	// NOTE: this will pass the .ribbons.updateData(..) a custom ribbon 
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	// 		updater if one is defined here as .updateRibbon(target) action
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	//
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	// XXX HACK: two sins:
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	// 		- actions.updateRibbon(..) and ribbons.updateRibbon(..)
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	// 		  are NOT signature compatible...
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	// 		- we depend on the internals of a custom add-on feature
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	reload: ['Interface/Reload viewer',
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		function(force){
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			this.ribbons.preventTransitions()
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			// NOTE: this essentially sets the update threshold to 0...
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			// XXX this should be a custom arg...
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			force = force ? 0 : null
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			return function(){
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				// see if we've got a custom ribbon updater...
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				var that = this
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				var settings = this.updateRibbon != null 
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					// XXX this should be: { updateRibbon: this.updateRibbon.bind(this) }
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					? { updateRibbon: function(_, ribbon){ 
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							return that.updateRibbon(ribbon, null, null, force) 
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						} }
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					: null
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				this.ribbons.updateData(this.data, settings)
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				this
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					// XXX should this be here???
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					.refresh()
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					.focusImage()
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				this.ribbons.restoreTransitions()
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			}
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		}],
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	// NOTE: this will trigger .updateImage hooks...
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	refresh: ['Interface/Refresh images without reloading',
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		function(gids){
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			gids = gids || '*'
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			this.ribbons.updateImage(gids)
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		}],
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	clear: [
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		function(){ this.ribbons && this.ribbons.clear() }],
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	clone: [function(full){
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		return function(res){
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			if(this.ribbons){
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				// NOTE: this is a bit wasteful as .ribbons will clone 
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				// 		their ref to .images that we will throw away...
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				res.ribbons = this.ribbons.clone()
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				res.ribbons.images = res.images
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			} 
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		}
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	}],
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	replaceGid: [
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		function(from, to){
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			return function(res){
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				res && this.ribbons.replaceGid(from, to)
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			}
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		}],
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	// This is called by .ribbons, the goal is to use it to hook into 
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	// image updating from features and extensions...
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	//
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	// NOTE: not intended for calling manually, use .refresh(..) instead...
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	//
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	// XXX experimental...
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	// 		...need this to get triggered by .ribbons
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	// 		at this point manually triggering this will not do anything...
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	// XXX problem: need to either redesign this or distinguish from 
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	// 		other actions as I keep calling it expecting results...
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	// XXX hide from user action list...
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	updateImage: ['- Interface/Update image (This will do nothing)',
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		'This will be called by .refresh(..) and intended for use as an '
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			+'trigger for handlers, and not as a callable acation.',
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		function(gid, image){ }],
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	// General UI stuff...
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	// NOTE: this is applicable to all uses...
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	toggleTheme: ['Interface/Toggle viewer theme', 
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		toggler.CSSClassToggler(
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			function(){ return this.ribbons.viewer }, 
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			function(){ return this.config.themes },
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			function(state){ this.config.theme = state }) ],
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	toggleRibbonTheme: ['Interface/Toggle ribbon theme', 
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		toggler.CSSClassToggler(
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			function(){ return this.ribbons.viewer }, 
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			function(){ return this.config['ribbon-themes'] },
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			function(state){ this.config['ribbon-theme'] = state }) ],
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	setEmptyMsg: ['- Interface/Set message to be displayed when nothing is loaded.',
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		function(msg, help){ this.ribbons 
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			&& this.ribbons.length > 0 
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			&& this.ribbons.setEmptyMsg(msg, help) }],
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	// align modes...
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	// XXX these should also affect up/down navigation...
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	// 		...navigate by proximity (closest to center) rather than by
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	// 		order...
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	// XXX skip off-screen ribbons (???)
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	alignByOrder: ['Interface/Align ribbons by image order',
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		function(target){
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			var ribbons = this.ribbons
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			var data = this.data
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			// XXX handle raw dom elements...
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			var gid = target instanceof jQuery 
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				? ribbons.getElemGID(target)
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				: data.getImage(target)
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			// align current ribbon...
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			// NOTE: the ordering of calls here makes it simpler to load
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			// 		data into ribbons based on target gid... i.e. first
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			// 		we know the section we need then align it vertically...
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			this
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				.centerImage(gid)
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				.centerRibbon(gid)
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			// if we are going fast we might skip an update... 
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			if(this._align_timeout != null){
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				clearTimeout(this._align_timeout)
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				this._align_timeout = null
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			}
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			var that = this
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			this._align_timeout = setTimeout(function(){
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				this._align_timeout = null
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				// align other ribbons...
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				var ribbon = data.getRibbon(gid)
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				for(var r in data.ribbons){
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					// skip the current ribbon...
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					if(r == ribbon){
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						continue
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					}
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					// XXX skip off-screen ribbons... (???)
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					// center...
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					// XXX is there a 'last' special case here???
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					var t = data.getImage(gid, r)
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					if(t == null){
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						var f = data.getImage('first', r)
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						// nothing found -- empty ribbon?
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						if(f == null){
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							continue
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						}
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						that.centerImage(f, 'before')
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					} else {
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						that.centerImage(t, 'after')
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					}
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				}
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			}, 50)
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		}],
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	alignByFirst: ['Interface/Align ribbons except current to first image',
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		function(target){
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			var ribbons = this.ribbons
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			var data = this.data
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			// XXX handle raw dom elements...
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			var gid = target instanceof jQuery 
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				? ribbons.getElemGID(target)
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				: data.getImage(target)
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			// align current ribbon...
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			this
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				.centerRibbon(gid)
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				.centerImage(gid)
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 | 
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			var that = this
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			//setTimeout(function(){
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				// align other ribbons...
 | 
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				var ribbon = data.getRibbon(gid)
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						|
				for(var r in data.ribbons){
 | 
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					// skip the current ribbon...
 | 
						|
					if(r == ribbon){
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						continue
 | 
						|
					}
 | 
						|
 | 
						|
					// XXX skip off-screen ribbons...
 | 
						|
 | 
						|
					// XXX see if we need to do some loading...
 | 
						|
 | 
						|
					// center...
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					var f = data.getImage('first', r)
 | 
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					// nothing found -- empty ribbon?
 | 
						|
					if(f == null){
 | 
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						continue
 | 
						|
					}
 | 
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					that.centerImage(f, 'before')
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						|
				}
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			//}, 0)
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						|
		}],
 | 
						|
 | 
						|
	// NOTE: this will align only a single image...
 | 
						|
	// XXX do we need these low level primitives here???
 | 
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	centerImage: ['- Interface/Center an image in ribbon horizontally',
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		function(target, align){
 | 
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			target = target instanceof jQuery 
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				? this.ribbons.getElemGID(target)
 | 
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				: target
 | 
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 | 
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			// align current ribbon...
 | 
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			this.ribbons.centerImage(target, align)
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						|
		}],
 | 
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	centerRibbon: ['- Interface/Center a ribbon vertically',
 | 
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		function(target){
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			target = target instanceof jQuery 
 | 
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				? this.ribbons.getElemGID(target)
 | 
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				: target
 | 
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 | 
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			// align current ribbon...
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			this.ribbons.centerRibbon(target)
 | 
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		}],
 | 
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	centerViewer: ['- Interface/Center the viewer',
 | 
						|
		function(target){
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			this
 | 
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				.centerImage(target)
 | 
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				.centerRibbon(target)
 | 
						|
				.ribbons
 | 
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					.origin(target)
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		}],
 | 
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 | 
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	focusImage: [
 | 
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		function(target, list){
 | 
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			var ribbons = this.ribbons
 | 
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			var data = this.data
 | 
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 | 
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			// NOTE: we do not need to do anything in the alternative 
 | 
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			// 		case as it's done in data/Client, so we'll just 
 | 
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			// 		peek there later...
 | 
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			if(data == null){
 | 
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				target = ribbons.focusImage(target)
 | 
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				var gid = ribbons.getElemGID(target)
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			}
 | 
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 | 
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			return function(){
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				if(data != null){
 | 
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					// use the data for all the heavy lifting...
 | 
						|
					// NOTE: this will prevent sync errors...
 | 
						|
					var gid = data.getImage()
 | 
						|
 | 
						|
					target = ribbons.focusImage(gid)
 | 
						|
				}
 | 
						|
			}
 | 
						|
		}],
 | 
						|
	focusRibbon: [
 | 
						|
		function(target, mode){
 | 
						|
			mode = mode || this.config['ribbon-focus-mode']
 | 
						|
 | 
						|
			var c = this.data.getRibbonOrder()
 | 
						|
			var i = this.data.getRibbonOrder(target)
 | 
						|
			// NOTE: we are not changing the direction here based on 
 | 
						|
			// 		this.direction as swap will confuse the user...
 | 
						|
			var direction = c < i ? 'before' : 'after'
 | 
						|
 | 
						|
			if(mode == 'visual'){
 | 
						|
				var ribbons = this.ribbons
 | 
						|
				var r = this.data.getRibbon(target)
 | 
						|
				var t = ribbons.getImageByPosition('current', r)
 | 
						|
 | 
						|
				if(t.length > 1){
 | 
						|
					t = t.eq(direction == 'before' ? 0 : 1)
 | 
						|
				}
 | 
						|
 | 
						|
				t = ribbons.getElemGID(t)
 | 
						|
 | 
						|
				this.focusImage(t, r)
 | 
						|
			}
 | 
						|
		}],
 | 
						|
	setBaseRibbon: [
 | 
						|
		function(target){
 | 
						|
			var r = this.data.getRibbon(target)
 | 
						|
			r =  r == null ? this.ribbons.getRibbon(target) : r
 | 
						|
			this.ribbons.setBaseRibbon(r)
 | 
						|
		}],
 | 
						|
 | 
						|
	// NOTE: these prioritize whole images, i.e. each image will at least
 | 
						|
	// 		once be fully shown.
 | 
						|
	prevScreen: ['Navigate/Screen width back',
 | 
						|
		function(){
 | 
						|
			// NOTE: the 0.2 is added to compensate for alignment/scaling
 | 
						|
			// 		errors -- 2.99 images wide counts as 3 while 2.5 as 2.
 | 
						|
			var w = Math.floor(this.ribbons.getScreenWidthImages() + 0.2)
 | 
						|
			w += (w % 2) - 1
 | 
						|
			this.prevImage(w)
 | 
						|
		}],
 | 
						|
	nextScreen: ['Navigate/Screen width forward',
 | 
						|
		function(){
 | 
						|
			var w = Math.floor(this.ribbons.getScreenWidthImages() + 0.2)
 | 
						|
			w += (w % 2) - 1
 | 
						|
			this.nextImage(w)
 | 
						|
		}],
 | 
						|
 | 
						|
	// zooming...
 | 
						|
	//
 | 
						|
	// Zooming is done by multiplying the current scale by config['zoom-step']
 | 
						|
	// and rounding to nearest discrete number of images to fit on screen.
 | 
						|
	zoomIn: ['Zoom/Zoom in',
 | 
						|
		function(){ 
 | 
						|
			this.ribbons.origin()
 | 
						|
 | 
						|
			//var n = Math.round(this.ribbons.getScreenWidthImages())-1
 | 
						|
			var d = this.config['zoom-step'] || 1.2
 | 
						|
			var s = a.ribbons.scale() * d
 | 
						|
			var n = Math.floor(this.ribbons.getScreenWidthImages(s))
 | 
						|
		
 | 
						|
			this.fitImage(n <= 0 ? 1 : n)
 | 
						|
		}],
 | 
						|
	zoomOut: ['Zoom/Zoom out',
 | 
						|
		function(){ 
 | 
						|
			this.ribbons.origin()
 | 
						|
 | 
						|
			//var n = Math.round(this.ribbons.getScreenWidthImages())+1
 | 
						|
			var d = this.config['zoom-step'] || 1.2
 | 
						|
			var s = a.ribbons.scale() / d
 | 
						|
			var n = Math.ceil(this.ribbons.getScreenWidthImages(s))
 | 
						|
 | 
						|
			var max = this.config['max-screen-images']
 | 
						|
			this.fitImage(n > max ? max : n)
 | 
						|
		}],
 | 
						|
 | 
						|
	fitOrig: ['Zoom/Fit to original scale',
 | 
						|
		function(){ 
 | 
						|
			this.ribbons.scale(1) 
 | 
						|
			this.refresh()
 | 
						|
		}],
 | 
						|
	// NOTE: if this gets a count argument it will fit count images, 
 | 
						|
	// 		default is one.
 | 
						|
	// NOTE: this will add .config['fit-overflow'] to odd counts if no 
 | 
						|
	// 		overflow if passed.
 | 
						|
	// 		...this is done to add ability to control scroll indication.
 | 
						|
	fitImage: ['Zoom/Fit image',
 | 
						|
		function(count, overflow){
 | 
						|
			if(count != null){
 | 
						|
				overflow = overflow == false ? 0 : overflow
 | 
						|
				var o = overflow != null ? overflow 
 | 
						|
					: count % 2 != 1 ? 0
 | 
						|
					: (this.config['fit-overflow'] || 0)
 | 
						|
				count += o
 | 
						|
			}
 | 
						|
			this.ribbons.fitImage(count)
 | 
						|
			this.refresh()
 | 
						|
		}],
 | 
						|
	fitMax: ['Zoom/Fit the maximum number of images',
 | 
						|
		function(){ this.fitImage(this.config['max-screen-images']) }],
 | 
						|
 | 
						|
 | 
						|
	// XXX the question with these is how to make these relatively 
 | 
						|
	// 		similar across platforms...
 | 
						|
	// 		...for this we need to get display dpi...
 | 
						|
	fitSmall: ['Zoom/Show small image',
 | 
						|
		function(){  }],
 | 
						|
	fitNormal: ['Zoom/Show normal image',
 | 
						|
		function(){  }],
 | 
						|
	fitScreen: ['Zoom/Fit image to screen',
 | 
						|
		function(){  }],
 | 
						|
 | 
						|
 | 
						|
	fitRibbon: ['Zoom/Fit ribbon vertically',
 | 
						|
		function(count){
 | 
						|
			this.ribbons.fitRibbon(count)
 | 
						|
			this.refresh()
 | 
						|
		}],
 | 
						|
 | 
						|
 | 
						|
	// NOTE: these work by getting the target position from .data...
 | 
						|
	shiftImageTo: [ 
 | 
						|
		function(target){ return updateImagePosition(this, target) }],
 | 
						|
	shiftImageUp: [ 
 | 
						|
		function(target){ return updateImagePosition(this, target) }],
 | 
						|
	shiftImageDown: [
 | 
						|
		function(target){ return updateImagePosition(this, target) }],
 | 
						|
	shiftImageLeft: [
 | 
						|
		function(target){ this.ribbons.placeImage(target, -1) }],
 | 
						|
	shiftImageRight: [
 | 
						|
		function(target){ this.ribbons.placeImage(target, 1) }],
 | 
						|
 | 
						|
	/*
 | 
						|
	// XXX how should these animate???
 | 
						|
	travelImageUp: [
 | 
						|
		function(){
 | 
						|
		}],
 | 
						|
	travelImageDown: [
 | 
						|
		function(){
 | 
						|
		}],
 | 
						|
	*/
 | 
						|
 | 
						|
	shiftRibbonUp: [
 | 
						|
		function(target){
 | 
						|
			target = this.ribbons.getRibbon(target)
 | 
						|
			var i = this.ribbons.getRibbonOrder(target)
 | 
						|
			if(i > 0){
 | 
						|
				this.ribbons.placeRibbon(target, i-1)
 | 
						|
			}
 | 
						|
		}],
 | 
						|
	shiftRibbonDown: [
 | 
						|
		function(target){
 | 
						|
			target = this.ribbons.getRibbon(target)
 | 
						|
			var i = this.ribbons.getRibbonOrder(target)
 | 
						|
			if(i < this.data.ribbon_order.length-1){
 | 
						|
				this.ribbons.placeRibbon(target, i+1)
 | 
						|
			}
 | 
						|
		}],
 | 
						|
 | 
						|
	reverseImages: [ reloadAfter() ],
 | 
						|
	reverseRibbons: [ reloadAfter() ],
 | 
						|
 | 
						|
 | 
						|
	// basic image editing...
 | 
						|
	//
 | 
						|
	// XXX should we have .rotate(..) and .flip(..) generic actions???
 | 
						|
	rotateCW: [ 
 | 
						|
		function(target){ this.ribbons.rotateCW(target) }],
 | 
						|
	rotateCCW: [ 
 | 
						|
		function(target){ this.ribbons.rotateCCW(target) }],
 | 
						|
	flipVertical: [ 
 | 
						|
		function(target){ this.ribbons.flipVertical(target, 'view') }],
 | 
						|
	flipHorizontal: [
 | 
						|
		function(target){ this.ribbons.flipHorizontal(target, 'view') }],
 | 
						|
 | 
						|
 | 
						|
	// tags...
 | 
						|
	tag: [ 
 | 
						|
		function(tags, gids){ 
 | 
						|
			gids = gids != null && gids.constructor !== Array ? [gids] : gids
 | 
						|
			return function(){
 | 
						|
				//this.ribbons.updateImage(gids) 
 | 
						|
				this.refresh(gids)
 | 
						|
			}
 | 
						|
		}],
 | 
						|
	untag: [
 | 
						|
		function(tags, gids){ 
 | 
						|
			gids = gids != null && gids.constructor !== Array ? [gids] : gids
 | 
						|
			return function(){
 | 
						|
				//this.ribbons.updateImage(gids) 
 | 
						|
				this.refresh(gids)
 | 
						|
			}
 | 
						|
		}],
 | 
						|
 | 
						|
 | 
						|
	// group stuff...
 | 
						|
	group: [ reloadAfter(true) ],
 | 
						|
	ungroup: [ reloadAfter(true) ],
 | 
						|
	groupTo: [ reloadAfter(true) ],
 | 
						|
	groupMarked: [ reloadAfter(true) ],
 | 
						|
	expandGroup: [ reloadAfter(true) ],
 | 
						|
	collapseGroup: [ reloadAfter(true) ],
 | 
						|
 | 
						|
 | 
						|
	// XXX BUG? reloadAfter() here does not remove some images...
 | 
						|
	crop: [ reloadAfter(true) ],
 | 
						|
	// XXX BUG? reloadAfter() produces an align error...
 | 
						|
	uncrop: [ reloadAfter(true) ],
 | 
						|
	// XXX might be a good idea to do this in a new viewer in an overlay...
 | 
						|
	cropGroup: [ reloadAfter() ],
 | 
						|
 | 
						|
 | 
						|
	// XXX experimental: not sure if this is the right way to go...
 | 
						|
	// XXX make this play nice with crops...
 | 
						|
	toggleRibbonList: ['Interface/Toggle ribbons as images view',
 | 
						|
		function(){
 | 
						|
			if(this._full_data == null){
 | 
						|
				// XXX do a better name here...
 | 
						|
				this._full_data = this.data
 | 
						|
 | 
						|
				// generate the view...
 | 
						|
				this.data = this.data.cropRibbons()
 | 
						|
 | 
						|
			} else {
 | 
						|
				var data = this._full_data
 | 
						|
				delete this._full_data
 | 
						|
 | 
						|
				// restore...
 | 
						|
				this.data = data.mergeRibbonCrop(this.data)
 | 
						|
			}
 | 
						|
 | 
						|
			this.reload()
 | 
						|
		}],
 | 
						|
})
 | 
						|
 | 
						|
var Viewer =
 | 
						|
module.Viewer = core.ImageGridFeatures.Feature({
 | 
						|
	title: 'Graphical User Interface',
 | 
						|
 | 
						|
	tag: 'ui',
 | 
						|
 | 
						|
	depends: [
 | 
						|
		'lifecycle',
 | 
						|
		'base',
 | 
						|
		'workspace',
 | 
						|
	],
 | 
						|
 | 
						|
	actions: ViewerActions,
 | 
						|
 | 
						|
	// check if we are running in a UI context...
 | 
						|
	// NOTE: this will prevent loading of any features dependant on the 
 | 
						|
	// 		UI in a non UI context...
 | 
						|
	isApplicable: function(){ return typeof(window) == typeof({}) },
 | 
						|
 | 
						|
	handlers: [
 | 
						|
		['start',
 | 
						|
			function(){
 | 
						|
				var that = this
 | 
						|
 | 
						|
				// load themes from config...
 | 
						|
				this.config.theme 
 | 
						|
					&& this.toggleTheme(this.config.theme)
 | 
						|
				this.config['ribbon-theme'] 
 | 
						|
					&& this.toggleRibbonTheme(this.config['ribbon-theme'])
 | 
						|
 | 
						|
				// center viewer on resize events...
 | 
						|
				if(!this.__viewer_resize){
 | 
						|
					this.__viewer_resize = function(){
 | 
						|
						if(that.__centering_on_resize){
 | 
						|
							return
 | 
						|
						}
 | 
						|
						// this will prevent centering calls from overlapping...
 | 
						|
						that.__centering_on_resize = true
 | 
						|
 | 
						|
						that.centerViewer()
 | 
						|
 | 
						|
						delete that.__centering_on_resize
 | 
						|
					}
 | 
						|
 | 
						|
					$(window).resize(this.__viewer_resize)
 | 
						|
				}
 | 
						|
 | 
						|
				// setup basic workspaces...
 | 
						|
				if(this.workspaces['ui-chrome-hidden'] == null){
 | 
						|
					this.workspaces['ui-chrome-hidden'] = {}
 | 
						|
				}
 | 
						|
			}],
 | 
						|
		['stop', 
 | 
						|
			function(){
 | 
						|
				if(this.__viewer_resize){
 | 
						|
					$(window).off('resize', this.__viewer_resize) 
 | 
						|
					delete this.__viewer_resize
 | 
						|
				}
 | 
						|
			}],
 | 
						|
		// manage the .crop-mode css class...
 | 
						|
		['crop uncrop',
 | 
						|
			function(){
 | 
						|
				this.ribbons.viewer[this.cropped ? 
 | 
						|
						'addClass' 
 | 
						|
					: 'removeClass']('crop-mode')
 | 
						|
			}],
 | 
						|
	],
 | 
						|
})
 | 
						|
 | 
						|
 | 
						|
 | 
						|
 | 
						|
/*********************************************************************/
 | 
						|
// Utilities and Services...
 | 
						|
 | 
						|
var ConfigLocalStorageActions = actions.Actions({
 | 
						|
	config: {
 | 
						|
		'config-local-storage-key': 'config',
 | 
						|
		
 | 
						|
		// NOTE: this is in seconds...
 | 
						|
		// NOTE: if this is null or 0 the timer will not start...
 | 
						|
		'config-auto-save-local-storage-interval': 3*60,
 | 
						|
 | 
						|
		// XXX not sure what should be the default...
 | 
						|
		'config-local-storage-save-diff': true,
 | 
						|
	},
 | 
						|
 | 
						|
	// XXX should we store this in something like .default_config and
 | 
						|
	// 		clone it???
 | 
						|
	// 		...do not think so, as the __base_config xhould always be set
 | 
						|
	// 		to the values set in code... (check this!)
 | 
						|
	__base_config: null,
 | 
						|
	__config_loaded: null,
 | 
						|
	__auto_save_config_timer: null,
 | 
						|
 | 
						|
	// Disable localStorage in child, preventing two viewers from messing
 | 
						|
	// things up in one store...
 | 
						|
	clone: [function(){
 | 
						|
		return function(res){
 | 
						|
			res.config['config-local-storage-key'] = null
 | 
						|
		}
 | 
						|
	}],
 | 
						|
 | 
						|
	storeConfig: ['File/Store configuration',
 | 
						|
		function(key){
 | 
						|
			var key = key || this.config['config-local-storage-key']
 | 
						|
 | 
						|
			if(key != null){
 | 
						|
				// build a diff...
 | 
						|
				if(this.config['config-local-storage-save-diff']){
 | 
						|
					var base = this.__base_config || {}
 | 
						|
					var cur = this.config
 | 
						|
					var config = {}
 | 
						|
					Object.keys(cur)
 | 
						|
						.forEach(function(e){
 | 
						|
							if(cur.hasOwnProperty(e) 
 | 
						|
									&& base[e] != cur[e] 
 | 
						|
									// NOTE: this may go wrong for objects
 | 
						|
									// 		if key order is different...
 | 
						|
									// 		...this is no big deal as false
 | 
						|
									// 		positives are not lost data...
 | 
						|
									|| JSON.stringify(base[e]) != JSON.stringify(cur[e])){
 | 
						|
								config[e] = cur[e]
 | 
						|
							}
 | 
						|
						})
 | 
						|
 | 
						|
				// full save...
 | 
						|
				} else {
 | 
						|
					var config = this.config
 | 
						|
				}
 | 
						|
 | 
						|
				// store...
 | 
						|
				localStorage[key] = JSON.stringify(config) 
 | 
						|
			}
 | 
						|
		}],
 | 
						|
	loadStoredConfig: ['File/Load stored configuration',
 | 
						|
		function(key){
 | 
						|
			key = key || this.config['config-local-storage-key']
 | 
						|
 | 
						|
			if(key && localStorage[key]){
 | 
						|
				// get the original (default) config and keep it for 
 | 
						|
				// reference...
 | 
						|
				// NOTE: this is here so as to avoid creating 'endless'
 | 
						|
				// 		config inheritance chains...
 | 
						|
				base = this.__base_config = this.__base_config || this.config
 | 
						|
 | 
						|
				var loaded = JSON.parse(localStorage[key])
 | 
						|
				loaded.__proto__ = base
 | 
						|
 | 
						|
				this.config = loaded 
 | 
						|
			}
 | 
						|
		}],
 | 
						|
	// XXX need to load the reset config, and not just set it...
 | 
						|
	resetConfig: ['File/Reset configuration to default state',
 | 
						|
		function(){
 | 
						|
			this.config = this.__base_config || this.config
 | 
						|
		}],
 | 
						|
 | 
						|
	toggleAutoStoreConfig: ['File/Store configuration',
 | 
						|
		toggler.Toggler(null, function(_, state){ 
 | 
						|
				if(state == null){
 | 
						|
					return this.__auto_save_config_timer || 'none'
 | 
						|
 | 
						|
				} else {
 | 
						|
					var that = this
 | 
						|
					var interval = this.config['config-auto-save-local-storage-interval']
 | 
						|
 | 
						|
					// no timer interval set...
 | 
						|
					if(!interval){
 | 
						|
						return false
 | 
						|
					}
 | 
						|
 | 
						|
					// this cleans up before 'on' and fully handles 'off' action...
 | 
						|
					if(this.__auto_save_config_timer != null){
 | 
						|
						clearTimeout(this.__auto_save_config_timer)
 | 
						|
						delete this.__auto_save_config_timer
 | 
						|
					}
 | 
						|
 | 
						|
					if(state == 'running' 
 | 
						|
							&& interval 
 | 
						|
							&& this.__auto_save_config_timer == null){
 | 
						|
 | 
						|
						var runner = function(){
 | 
						|
							clearTimeout(that.__auto_save_config_timer)
 | 
						|
 | 
						|
							//that.logger && that.logger.emit('config', 'saving to local storage...')
 | 
						|
							that.storeConfig()
 | 
						|
 | 
						|
							var interval = that.config['config-auto-save-local-storage-interval']
 | 
						|
							if(!interval){
 | 
						|
								delete that.__auto_save_config_timer
 | 
						|
								return
 | 
						|
							}
 | 
						|
							interval *= 1000
 | 
						|
 | 
						|
							that.__auto_save_config_timer = setTimeout(runner, interval)
 | 
						|
						}
 | 
						|
 | 
						|
						runner()
 | 
						|
					}
 | 
						|
				}
 | 
						|
			},
 | 
						|
			'running')],
 | 
						|
})
 | 
						|
 | 
						|
var ConfigLocalStorage = 
 | 
						|
module.ConfigLocalStorage = core.ImageGridFeatures.Feature({
 | 
						|
	title: '',
 | 
						|
	doc: '',
 | 
						|
 | 
						|
	tag: 'config-local-storage',
 | 
						|
	depends: [
 | 
						|
		'ui',
 | 
						|
	],
 | 
						|
	priority: 80,
 | 
						|
 | 
						|
	isApplicable: function(){ 
 | 
						|
		return typeof(localStorage) != 'undefined' 
 | 
						|
			&& localStorage != null },
 | 
						|
 | 
						|
	actions: ConfigLocalStorageActions,
 | 
						|
 | 
						|
	handlers: [
 | 
						|
		// NOTE: considering that allot depends on this it must be 
 | 
						|
		// 		first to run...
 | 
						|
		['start.pre',
 | 
						|
			function(){ 
 | 
						|
				this.logger && this.logger.emit('loaded', 'config')
 | 
						|
				this
 | 
						|
					.loadStoredConfig() 
 | 
						|
					.toggleAutoStoreConfig('on')
 | 
						|
			}],
 | 
						|
		['stop.pre',
 | 
						|
			function(){ 
 | 
						|
				this.logger && this.logger.emit('loaded', 'config')
 | 
						|
				this
 | 
						|
					.storeConfig() 
 | 
						|
					.toggleAutoStoreConfig('off')
 | 
						|
			}],
 | 
						|
	],
 | 
						|
})
 | 
						|
 | 
						|
 | 
						|
 | 
						|
//---------------------------------------------------------------------
 | 
						|
 | 
						|
// XXX make this work for external links in a stable manner...
 | 
						|
// 		...a bit unpredictable when working in combination with history
 | 
						|
// 		feature -- need to stop them from competing...
 | 
						|
// 		...appears to be a bug in location....
 | 
						|
var URLHash = 
 | 
						|
module.URLHash = core.ImageGridFeatures.Feature({
 | 
						|
	title: 'Handle URL hash',
 | 
						|
	doc: '',
 | 
						|
 | 
						|
	tag: 'ui-url-hash',
 | 
						|
	depends: ['ui'],
 | 
						|
 | 
						|
	//isApplicable: function(){ 
 | 
						|
	//	return typeof(location) != 'undefined' && location.hash != null },
 | 
						|
	isApplicable: function(){ return this.runtime == 'browser' },
 | 
						|
 | 
						|
	handlers: [
 | 
						|
		// hanlde window.onhashchange event...
 | 
						|
		['start',
 | 
						|
			function(){
 | 
						|
				var that = this
 | 
						|
				var handler = this.__hashchange_handler = function(){
 | 
						|
					var h = location.hash
 | 
						|
					h = h.replace(/^#/, '')
 | 
						|
					that.current = h
 | 
						|
				}
 | 
						|
				$(window).on('hashchange', handler)
 | 
						|
			}],
 | 
						|
		['stop',
 | 
						|
			function(){
 | 
						|
				this.__hashchange_handler 
 | 
						|
					&& $(window).on('hashchange', this.__hashchange_handler)
 | 
						|
			}],
 | 
						|
		// store/restore hash when we focus images...
 | 
						|
		['focusImage',
 | 
						|
			function(res, a){
 | 
						|
				if(this.current && this.current != ''){
 | 
						|
					location.hash = this.current
 | 
						|
				}
 | 
						|
			}],
 | 
						|
		['load.pre',
 | 
						|
			function(){
 | 
						|
				var h = location.hash
 | 
						|
				h = h.replace(/^#/, '')
 | 
						|
 | 
						|
				return function(){
 | 
						|
					if(h != '' && this.data.getImageOrder(h) >= 0){
 | 
						|
						this.current = h
 | 
						|
					}
 | 
						|
				}
 | 
						|
			}],
 | 
						|
	],
 | 
						|
})
 | 
						|
 | 
						|
 | 
						|
 | 
						|
 | 
						|
/*********************************************************************/
 | 
						|
// Ribbons...
 | 
						|
 | 
						|
// NOTE: this is split out to an action so as to enable ui elements to 
 | 
						|
// 		adapt to ribbon size changes...
 | 
						|
//
 | 
						|
// XXX try a strategy: load more in the direction of movement by an offset...
 | 
						|
// XXX updateRibbon(..) is not signature compatible with data.updateRibbon(..)
 | 
						|
var PartialRibbonsActions = actions.Actions({
 | 
						|
	config: {
 | 
						|
		// number of screen widths to load...
 | 
						|
		'ribbon-size-screens': 7,
 | 
						|
 | 
						|
		// number of screen widths to edge to trigger reload...
 | 
						|
		'ribbon-resize-threshold': 1.5,
 | 
						|
 | 
						|
		// timeout before a non-forced ribbon size update happens after
 | 
						|
		// the action...
 | 
						|
		// NOTE: if set to null, the update will be sync...
 | 
						|
		'ribbon-update-timeout': 120,
 | 
						|
 | 
						|
		// how many non-adjacent images to preload...
 | 
						|
		'preload-radius': 5,
 | 
						|
 | 
						|
		// sources to preload...
 | 
						|
		'preload-sources': ['bookmark', 'selected'],
 | 
						|
	},
 | 
						|
 | 
						|
	// NOTE: this will not work from chrome when loading from a local fs...
 | 
						|
	// XXX experimental...
 | 
						|
	startCacheWorker: ['Interface/',
 | 
						|
		function(){
 | 
						|
			// a worker is started already...
 | 
						|
			if(this.cacheWorker != null){
 | 
						|
				return
 | 
						|
			}
 | 
						|
 | 
						|
			var b = new Blob([[
 | 
						|
				'addEventListener(\'message\', function(e) {',
 | 
						|
				'	var urls = e.data',
 | 
						|
				'	urls = urls.constructor !== Array ? [urls] : urls',
 | 
						|
				'	var l = urls.length',
 | 
						|
				'	urls.forEach(function(url){',
 | 
						|
				'		var xhr = new XMLHttpRequest()',
 | 
						|
				'		xhr.responseType = \'blob\'',
 | 
						|
				/*
 | 
						|
				'		xhr.onload = xhr.onerror = function(){',
 | 
						|
				'			l -= 1',
 | 
						|
				'			if(l <= 0){',
 | 
						|
				'				postMessage({status: \'done.\', urls: urls})',
 | 
						|
				'			}',
 | 
						|
				'		}',
 | 
						|
				*/
 | 
						|
				'		xhr.open(\'GET\', url, true)',
 | 
						|
				'		xhr.send()',
 | 
						|
				'	})',
 | 
						|
				'}, false)',
 | 
						|
			].join('\n')])
 | 
						|
 | 
						|
			var url = URL.createObjectURL(b)
 | 
						|
 | 
						|
			this.cacheWorker = new Worker(url)
 | 
						|
			this.cacheWorker.url = url
 | 
						|
		}],
 | 
						|
	stopCacheWorker: ['Interface/',
 | 
						|
		function(){
 | 
						|
			if(this.cacheWorker){
 | 
						|
				this.cacheWorker.terminate()
 | 
						|
				URL.revokeObjectURL(this.cacheWorker.url)
 | 
						|
				delete this.cacheWorker
 | 
						|
			}
 | 
						|
		}],
 | 
						|
 | 
						|
 | 
						|
	// Pre-load images...
 | 
						|
	//
 | 
						|
	// Sources supported:
 | 
						|
	// 	<tag>			- pre-load images tagged with <tag> 
 | 
						|
	// 					  (default: ['bookmark', 'selected']) 
 | 
						|
	// 	<ribbon-gid>	- pre-cache from a specific ribbon
 | 
						|
	// 	'ribbon'		- pre-cache from current ribbon
 | 
						|
	// 	'order'			- pre-cache from images in order
 | 
						|
	//
 | 
						|
	// NOTE: workers when loaded from file:// in a browser context 
 | 
						|
	// 		will not have access to local images...
 | 
						|
	//
 | 
						|
	// XXX need a clear strategy to run this...
 | 
						|
	// XXX might be a good idea to make the worker queue the lists...
 | 
						|
	// 		...this will need careful prioritization logic...
 | 
						|
	// 			- avoid loading the same url too often
 | 
						|
	// 			- load the most probable urls first
 | 
						|
	// 				- next targets
 | 
						|
	// 					- next/prev
 | 
						|
	// 						.preCacheJumpTargets(target, 'ribbon', this.screenwidth)
 | 
						|
	// 					- next/prev marked/bookmarked/order
 | 
						|
	// 						.preCacheJumpTargets(target, 'marked')
 | 
						|
	// 						.preCacheJumpTargets(target, 'bookmarked')
 | 
						|
	// 						.preCacheJumpTargets(target, 'order')
 | 
						|
	// 					- next/prev screen
 | 
						|
	// 						.preCacheJumpTargets(target, 'ribbon',
 | 
						|
	// 							this.config['preload-radius'] * this.screenwidth)
 | 
						|
	// 					- next/prev ribbon
 | 
						|
	// 						.preCacheJumpTargets(target, this.data.getRibbon(target, 1))
 | 
						|
	// 						.preCacheJumpTargets(target, this.data.getRibbon(target, -1))
 | 
						|
	// 				- next blocks
 | 
						|
	// 					- what resize ribbon does...
 | 
						|
	// XXX coordinate this with .resizeRibbon(..)
 | 
						|
	// XXX make this support an explicit list of gids....
 | 
						|
	// XXX should this be here???
 | 
						|
	preCacheJumpTargets: ['- Interface/Pre-cache potential jump target images',
 | 
						|
		function(target, sources, radius, size){
 | 
						|
			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'))
 | 
						|
 | 
						|
			sources = sources || this.config['preload-sources'] || ['bookmark', 'selected']
 | 
						|
			sources = sources.constructor !== Array ? [sources] : sources
 | 
						|
			radius = radius || this.config['preload-radius'] || 9
 | 
						|
 | 
						|
			var that = this
 | 
						|
 | 
						|
			// get preview...
 | 
						|
			var _getPreview = function(c){
 | 
						|
				return that.images[c] 
 | 
						|
					&& that.images.getBestPreview(c, size, true).url
 | 
						|
			}
 | 
						|
 | 
						|
			// get a set of paths...
 | 
						|
			// NOTE: we are also ordering the resulting gids by their 
 | 
						|
			// 		distance from target...
 | 
						|
			var _get = function(i, lst, source, radius, oddity, step){
 | 
						|
				var found = oddity
 | 
						|
				var max = source.length 
 | 
						|
 | 
						|
				for(var j = i+step; (step > 0 && j < max) || (step < 0 && j >= 0); j += step){
 | 
						|
					var c = source[j]
 | 
						|
 | 
						|
					if(c == null || that.images[c] == null){
 | 
						|
						continue
 | 
						|
					}
 | 
						|
 | 
						|
					// build the URL...
 | 
						|
					lst[found] = _getPreview(c)
 | 
						|
 | 
						|
					found += 2
 | 
						|
					if(found >= radius*2){
 | 
						|
						break
 | 
						|
					}
 | 
						|
				}
 | 
						|
			}
 | 
						|
 | 
						|
			// run the actual preload...
 | 
						|
			var _run = function(){
 | 
						|
				sources.forEach(function(tag){
 | 
						|
					// order...
 | 
						|
					if(tag == 'order'){
 | 
						|
						var source = that.data.order
 | 
						|
 | 
						|
					// current ribbon...
 | 
						|
					}else if(tag == 'ribbon'){
 | 
						|
						var source = that.data.ribbons[that.data.getRibbon()]
 | 
						|
 | 
						|
					// ribbon-gid...
 | 
						|
					} else if(tag in that.data.ribbons){
 | 
						|
						var source = that.data.ribbons[tag]
 | 
						|
				
 | 
						|
					// nothing tagged then nothing to do...
 | 
						|
					} else if(that.data.tags == null 
 | 
						|
							|| that.data.tags[tag] == null 
 | 
						|
							|| that.data.tags[tag].length == 0){
 | 
						|
						return 
 | 
						|
 | 
						|
					// tag...
 | 
						|
					} else {
 | 
						|
						var source = that.data.tags[tag]
 | 
						|
					}
 | 
						|
 | 
						|
					size = size || that.ribbons.getVisibleImageSize() 
 | 
						|
 | 
						|
					var i = that.data.order.indexOf(target)
 | 
						|
					var lst = []
 | 
						|
 | 
						|
					// get the list of URLs before and after current...
 | 
						|
					_get(i ,lst, source, radius, 0, 1)
 | 
						|
					_get(i, lst, source, radius, 1, -1)
 | 
						|
 | 
						|
					// get target preview in case the target is not loaded...
 | 
						|
					var p = _getPreview(that.data.getImage(target))
 | 
						|
					p && lst.splice(0, 0, p)
 | 
						|
 | 
						|
					// web worker...
 | 
						|
					if(that.cacheWorker != null){
 | 
						|
						that.cacheWorker.postMessage(lst)
 | 
						|
 | 
						|
					// async inline...
 | 
						|
					} else {
 | 
						|
						// do the actual preloading...
 | 
						|
						lst.forEach(function(url){
 | 
						|
							var img = new Image()
 | 
						|
							img.src = url
 | 
						|
						})
 | 
						|
					}
 | 
						|
				})
 | 
						|
			}
 | 
						|
 | 
						|
			if(that.cacheWorker != null){
 | 
						|
				_run()
 | 
						|
 | 
						|
			} else {
 | 
						|
				setTimeout(_run, 0)
 | 
						|
			}
 | 
						|
		}],
 | 
						|
 | 
						|
	// NOTE: this will force sync resize if one of the following is true:
 | 
						|
	// 		- the target is not loaded
 | 
						|
	// 		- we are less than screen width from the edge
 | 
						|
	// 		- threshold is set to 0
 | 
						|
	// XXX this is not signature compatible with data.updateRibbon(..)
 | 
						|
	// XXX do not do anything for off-screen ribbons...
 | 
						|
	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'] 
 | 
						|
				|| 5) * w
 | 
						|
			threshold = threshold == 0 ? threshold
 | 
						|
				: (threshold 
 | 
						|
					|| this.config['ribbon-resize-threshold'] 
 | 
						|
					|| 1) * w
 | 
						|
 | 
						|
			var timeout = this.config['ribbon-update-timeout']
 | 
						|
 | 
						|
			// 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
 | 
						|
 | 
						|
			// next/prev available...
 | 
						|
			// NOTE: we subtract 1 to remove the current and make these 
 | 
						|
			// 		compatible with: nl, pl
 | 
						|
			var na = this.data.getImages(target, size, 'after').length - 1
 | 
						|
			var pa = this.data.getImages(target, size, 'before').length - 1
 | 
						|
 | 
						|
			// do the update...
 | 
						|
			// no threshold means force load...
 | 
						|
			if(threshold == 0 
 | 
						|
					// the target is not loaded...
 | 
						|
					|| img.length == 0
 | 
						|
					// passed hard threshold on the right...
 | 
						|
					|| (nl < w && na > nl) 
 | 
						|
					// passed hard threshold on the left...
 | 
						|
					|| (pl < w && pa > pl)){
 | 
						|
 | 
						|
				this.resizeRibbon(target, size)
 | 
						|
 | 
						|
			// do a late resize...
 | 
						|
			// loaded more than we need (crop?)...
 | 
						|
			} else if(na + pa < nl + pl
 | 
						|
					// passed threshold on the right...
 | 
						|
					|| (nl < threshold && na > nl) 
 | 
						|
					// passed threshold on the left...
 | 
						|
					|| (pl < threshold && pa > pl) 
 | 
						|
					// loaded more than we need by threshold...
 | 
						|
					|| nl + pl + 1 > size + threshold){
 | 
						|
 | 
						|
				return function(){
 | 
						|
					// sync update...
 | 
						|
					if(timeout == null){
 | 
						|
						this.resizeRibbon(target, size)
 | 
						|
 | 
						|
					// async update...
 | 
						|
					} else {
 | 
						|
						// XXX need to check if we are too close to the edge...
 | 
						|
						var that = this
 | 
						|
						//setTimeout(function(){ that.resizeRibbon(target, size) }, 0)
 | 
						|
						if(this.__update_timeout){
 | 
						|
							clearTimeout(this.__update_timeout)
 | 
						|
						}
 | 
						|
						this.__update_timeout = setTimeout(function(){ 
 | 
						|
							delete that.__update_timeout
 | 
						|
							that.resizeRibbon(target, size) 
 | 
						|
						}, timeout)
 | 
						|
					}
 | 
						|
				}
 | 
						|
			}
 | 
						|
		}],
 | 
						|
	// XXX do we handle off-screen ribbons here???
 | 
						|
	resizeRibbon: ['- Interface/Resize ribbon to n images',
 | 
						|
		function(target, size){
 | 
						|
			size = size 
 | 
						|
				|| (this.config['ribbon-size-screens'] * this.screenwidth)
 | 
						|
				|| (5 * this.screenwidth)
 | 
						|
			var data = this.data
 | 
						|
			var ribbons = this.ribbons
 | 
						|
 | 
						|
			// 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
 | 
						|
			}
 | 
						|
 | 
						|
			// localize transition prevention... 
 | 
						|
			// NOTE: for the initial load this may be empty...
 | 
						|
			var r = ribbons.getRibbon(r_gid)
 | 
						|
 | 
						|
			// XXX do we need to for example ignore unloaded (r.length == 0)
 | 
						|
			// 		ribbons here, for example not load ribbons too far off 
 | 
						|
			// 		screen??
 | 
						|
			
 | 
						|
			ribbons
 | 
						|
				.preventTransitions(r)
 | 
						|
				.updateRibbon(
 | 
						|
					data.getImages(target, size), 
 | 
						|
					r_gid,
 | 
						|
					target)
 | 
						|
				.restoreTransitions(r, true)
 | 
						|
		}]
 | 
						|
})
 | 
						|
 | 
						|
// NOTE: I do not fully understand it yet, but PartialRibbons must be 
 | 
						|
// 		setup BEFORE RibbonAlignToFirst, otherwise the later will break
 | 
						|
// 		on shifting an image to a new ribbon...
 | 
						|
// 			To reproduce:
 | 
						|
// 				- setupe RibbonAlignToFirst first
 | 
						|
// 				- go to top ribbon
 | 
						|
// 				- shift image up
 | 
						|
// 		XXX The two should be completely independent.... (???)
 | 
						|
var PartialRibbons = 
 | 
						|
module.PartialRibbons = core.ImageGridFeatures.Feature({
 | 
						|
	title: 'Partial Ribbons',
 | 
						|
	doc: 'Maintains partially loaded ribbons, this enables very lage '
 | 
						|
		+'image sets to be hadled eficiently.',
 | 
						|
 | 
						|
	// NOTE: partial ribbons needs to be setup first...
 | 
						|
	// 		...the reasons why things break otherwise is not too clear.
 | 
						|
	priority: 'high',
 | 
						|
 | 
						|
	tag: 'ui-partial-ribbons',
 | 
						|
	depends: ['ui'],
 | 
						|
 | 
						|
 | 
						|
	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)
 | 
						|
			}],
 | 
						|
		['focusImage.post', 
 | 
						|
			function(_, target){
 | 
						|
				this.preCacheJumpTargets(target)
 | 
						|
			}],
 | 
						|
		['fitImage.pre', 
 | 
						|
			function(n){
 | 
						|
				this.updateRibbon('current', n || 1)
 | 
						|
				//this.preCacheJumpTargets()
 | 
						|
			}],
 | 
						|
		['fitRibbon.pre', 
 | 
						|
			function(n){
 | 
						|
				n = n || 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/n)
 | 
						|
 | 
						|
				this.updateRibbon('current', nw)
 | 
						|
				//this.preCacheJumpTargets()
 | 
						|
			}],
 | 
						|
	],
 | 
						|
})
 | 
						|
 | 
						|
 | 
						|
 | 
						|
//---------------------------------------------------------------------
 | 
						|
// These features glue traverse and ribbon alignment...
 | 
						|
 | 
						|
 | 
						|
// XXX manual align needs more work...
 | 
						|
var AutoAlignRibbons = 
 | 
						|
module.AutoAlignRibbons = core.ImageGridFeatures.Feature({
 | 
						|
	title: '',
 | 
						|
	doc: '',
 | 
						|
 | 
						|
	tag: 'ui-ribbon-auto-align',
 | 
						|
	depends: ['ui'],
 | 
						|
	exclusive: ['ui-ribbon-align'],
 | 
						|
 | 
						|
	config: {
 | 
						|
		// control ribbon alignment...
 | 
						|
		//
 | 
						|
		// NOTE: when this is null then 'ribbon-focus-mode' will be used...
 | 
						|
		// NOTE: this supports the same modes as 'ribbon-focus-mode'...
 | 
						|
		'ribbon-align-modes': [
 | 
						|
			'none',		// use .config['ribbon-focus-mode']'s value
 | 
						|
			'visual',
 | 
						|
			'order',
 | 
						|
			'first',
 | 
						|
			//'last',
 | 
						|
			'manual',
 | 
						|
		],
 | 
						|
		'ribbon-align-mode': null,
 | 
						|
	},
 | 
						|
 | 
						|
	actions: actions.Actions({
 | 
						|
		toggleRibbonAlignMode : ['Interface/Toggle ribbon align mode',
 | 
						|
			core.makeConfigToggler('ribbon-align-mode', 
 | 
						|
				function(){ return this.config['ribbon-align-modes'] })],
 | 
						|
	}),
 | 
						|
 | 
						|
	handlers: [
 | 
						|
		['focusImage.post', 
 | 
						|
			function(){ 
 | 
						|
				var mode = this.config['ribbon-align-mode'] 
 | 
						|
					|| this.config['ribbon-focus-mode']
 | 
						|
 | 
						|
				if(mode == 'visual' || mode == 'order'){
 | 
						|
					this.alignByOrder() 
 | 
						|
 | 
						|
				} else if(mode == 'first'){
 | 
						|
					this.alignByFirst()
 | 
						|
 | 
						|
				// manual...
 | 
						|
				// XXX is this correct???
 | 
						|
				} else {
 | 
						|
					this
 | 
						|
						.centerRibbon()
 | 
						|
						.centerImage()
 | 
						|
				}
 | 
						|
			}],
 | 
						|
	],
 | 
						|
})
 | 
						|
 | 
						|
 | 
						|
// XXX should .alignByOrder(..) be a feature-specific action or global 
 | 
						|
// 		as it is now???
 | 
						|
var AlignRibbonsToImageOrder = 
 | 
						|
module.AlignRibbonsToImageOrder = core.ImageGridFeatures.Feature({
 | 
						|
	title: '',
 | 
						|
	doc: '',
 | 
						|
 | 
						|
	tag: 'ui-ribbon-align-to-order',
 | 
						|
	depends: ['ui'],
 | 
						|
	exclusive: ['ui-ribbon-align'],
 | 
						|
 | 
						|
	config: {
 | 
						|
		//'ribbon-focus-mode': 'order',
 | 
						|
		'ribbon-focus-mode': 'visual',
 | 
						|
	},
 | 
						|
 | 
						|
	handlers: [
 | 
						|
		['focusImage.post', function(){ this.alignByOrder() }]
 | 
						|
	],
 | 
						|
})
 | 
						|
 | 
						|
 | 
						|
var AlignRibbonsToFirstImage = 
 | 
						|
module.AlignRibbonsToFirstImage = core.ImageGridFeatures.Feature({
 | 
						|
	title: '',
 | 
						|
	doc: '',
 | 
						|
 | 
						|
	tag: 'ui-ribbon-align-to-first',
 | 
						|
	depends: ['ui'],
 | 
						|
	exclusive: ['ui-ribbon-align'],
 | 
						|
 | 
						|
	config: {
 | 
						|
		'ribbon-focus-mode': 'first',
 | 
						|
	},
 | 
						|
 | 
						|
	handlers: [
 | 
						|
		['focusImage.post', function(){ this.alignByFirst() }],
 | 
						|
	],
 | 
						|
})
 | 
						|
 | 
						|
// XXX needs more work...
 | 
						|
// XXX need to save position in some way, ad on each load the same 
 | 
						|
// 		initial state will get loaded...
 | 
						|
// 		...also would need an initial state...
 | 
						|
var ManualAlignRibbons = 
 | 
						|
module.ManualAlignRibbons = core.ImageGridFeatures.Feature({
 | 
						|
	title: '',
 | 
						|
	doc: '',
 | 
						|
 | 
						|
	tag: 'ui-ribbon-manual-align',
 | 
						|
	depends: ['ui'],
 | 
						|
	exclusive: ['ui-ribbon-align'],
 | 
						|
 | 
						|
	config: {
 | 
						|
		'ribbon-focus-mode': 'visual',
 | 
						|
	},
 | 
						|
 | 
						|
	handlers: [
 | 
						|
		['focusImage.post', function(){ 
 | 
						|
			this
 | 
						|
				.centerRibbon()
 | 
						|
				.centerImage()
 | 
						|
		}],
 | 
						|
	],
 | 
						|
})
 | 
						|
 | 
						|
 | 
						|
 | 
						|
//---------------------------------------------------------------------
 | 
						|
 | 
						|
// Adds user management of different back-ends for low level ribbon 
 | 
						|
// alignment and placement...
 | 
						|
var RibbonsPlacement = 
 | 
						|
module.RibbonsPlacement = core.ImageGridFeatures.Feature({
 | 
						|
	title: '',
 | 
						|
	doc: '',
 | 
						|
 | 
						|
	tag: 'ui-ribbons-placement',
 | 
						|
	depends: [ 'ui' ],
 | 
						|
 | 
						|
	config: {
 | 
						|
		// NOTE: the adapter names bust be registered in the ribbons module
 | 
						|
		// 		...not sure if this is good, but it's how it works now...
 | 
						|
		'ui-ribbons-placement-modes': {
 | 
						|
			'legacy': 'legacyDOMAdapter',
 | 
						|
			'new': 'DOMAdapter',
 | 
						|
		},
 | 
						|
		'ui-ribbons-placement-mode': 'new',
 | 
						|
	},
 | 
						|
 | 
						|
	actions: actions.Actions({
 | 
						|
		toggleRibbonsPlacementMode: ['- Interface/',
 | 
						|
			toggler.Toggler(null, function(_, state){ 
 | 
						|
					if(state == null){
 | 
						|
						return this.config['ui-ribbons-placement-mode']
 | 
						|
					}
 | 
						|
 | 
						|
					this.config['ui-ribbons-placement-mode'] = state
 | 
						|
					var modes = this.config['ui-ribbons-placement-modes']
 | 
						|
 | 
						|
					this.ribbons.dom = ribbons[modes[state]]
 | 
						|
 | 
						|
					// NOTE: this will lose any state/configuration that
 | 
						|
					// 		was stored in ribbon dom...
 | 
						|
					this.ribbons.clear('full')
 | 
						|
					this.reload(true)
 | 
						|
				},
 | 
						|
				function(){ 
 | 
						|
					return Object.keys(this.config['ui-ribbons-placement-modes']) } )],
 | 
						|
	}),
 | 
						|
 | 
						|
	handlers: [
 | 
						|
		['setup', 
 | 
						|
			function(){
 | 
						|
				this.toggleRibbonsPlacementMode(this.config['ui-ribbons-placement-mode'])
 | 
						|
			}],
 | 
						|
	]
 | 
						|
})
 | 
						|
 | 
						|
 | 
						|
 | 
						|
 | 
						|
/*********************************************************************/
 | 
						|
// Animation...
 | 
						|
 | 
						|
// XXX at this point this does not support target lists...
 | 
						|
// XXX shift up/down to new ribbon is not too correct...
 | 
						|
var ShiftAnimation =
 | 
						|
module.ShiftAnimation = core.ImageGridFeatures.Feature({
 | 
						|
	title: '',
 | 
						|
	doc: '',
 | 
						|
 | 
						|
	tag: 'ui-animation',
 | 
						|
	depends: ['ui'],
 | 
						|
 | 
						|
	handlers: [
 | 
						|
		//['shiftImageUp.pre shiftImageDown.pre '
 | 
						|
		//		+'travelImageUp.pre travelImageDown.pre', 
 | 
						|
		['shiftImageUp.pre shiftImageDown.pre',
 | 
						|
			function(target){
 | 
						|
				// XXX do not do target lists...
 | 
						|
				if(target != null && target.constructor === Array 
 | 
						|
						// do not animate in single image mode...
 | 
						|
						&& this.toggleSingleImage('?') == 'on'){
 | 
						|
					return
 | 
						|
				}
 | 
						|
				var s = this.ribbons.makeShadow(target, true)
 | 
						|
				return function(){ s() }
 | 
						|
			}],
 | 
						|
		// NOTE: this will keep the shadow in place -- the shadow will not
 | 
						|
		// 		go to the mountain, the mountain will come to the shadow ;)
 | 
						|
		['shiftImageLeft.pre shiftImageRight.pre', 
 | 
						|
			function(target){
 | 
						|
				// XXX do not do target lists...
 | 
						|
				if(target != null && target.constructor === Array
 | 
						|
						// do not animate in single image mode...
 | 
						|
						&& this.toggleSingleImage('?') == 'on'){
 | 
						|
					return
 | 
						|
				}
 | 
						|
				var s = this.ribbons.makeShadow(target)
 | 
						|
				return function(){ s() }
 | 
						|
			}],
 | 
						|
	],
 | 
						|
})
 | 
						|
 | 
						|
 | 
						|
 | 
						|
 | 
						|
/*********************************************************************/
 | 
						|
// Mouse...
 | 
						|
 | 
						|
// XXX add setup/taredown...
 | 
						|
var Clickable = 
 | 
						|
module.Clickable = core.ImageGridFeatures.Feature({
 | 
						|
	title: '',
 | 
						|
	doc: '',
 | 
						|
 | 
						|
	tag: 'ui-clickable',
 | 
						|
	depends: ['ui'],
 | 
						|
 | 
						|
	handlers: [
 | 
						|
		// setup click targets...
 | 
						|
		// XXX click only if we did not drag...
 | 
						|
		['updateImage', 
 | 
						|
			function(res, gid){
 | 
						|
				var that = this
 | 
						|
				var img = this.ribbons.getImage(gid)
 | 
						|
 | 
						|
				// set the clicker only once...
 | 
						|
				if(!img.prop('clickable')){
 | 
						|
					var x, y
 | 
						|
					img
 | 
						|
						.prop('clickable', true)
 | 
						|
						.on('mousedown touchstart', function(){ 
 | 
						|
							x = event.clientX
 | 
						|
							y = event.clientY
 | 
						|
							t = Date.now()
 | 
						|
						})
 | 
						|
						.on('mouseup touchend', function(){ 
 | 
						|
							if(x != null 
 | 
						|
								&& Math.max(
 | 
						|
									Math.abs(x - event.clientX), 
 | 
						|
									Math.abs(y - event.clientY)) < 5){
 | 
						|
								// this will prevent double clicks...
 | 
						|
								x = null
 | 
						|
								y = null
 | 
						|
								that.focusImage(that.ribbons.getElemGID($(this)))
 | 
						|
							}
 | 
						|
						})
 | 
						|
				}
 | 
						|
			}],
 | 
						|
	],
 | 
						|
})
 | 
						|
 | 
						|
 | 
						|
 | 
						|
//---------------------------------------------------------------------
 | 
						|
// Auto-hide cursor...
 | 
						|
 | 
						|
// NOTE: removing the prop 'cursor-autohide' will stop hiding the cursor
 | 
						|
// 		and show it on next timeout/mousemove.
 | 
						|
// 		This will not stop watching the cursor, this setting the prop back
 | 
						|
// 		on will re-enable autohide.
 | 
						|
// 		XXX needs testing...
 | 
						|
// NOTE: chrome 49 + devtools open appears to prevent the cursor from 
 | 
						|
// 		being hidden...
 | 
						|
var AutoHideCursor = 
 | 
						|
module.AutoHideCursor = core.ImageGridFeatures.Feature({
 | 
						|
	title: '',
 | 
						|
	doc: '',
 | 
						|
 | 
						|
	tag: 'ui-autohide-cursor',
 | 
						|
	depends: [
 | 
						|
		'ui'
 | 
						|
	],
 | 
						|
 | 
						|
	config: {
 | 
						|
		'cursor-autohide-timeout': 1000,
 | 
						|
		'cursor-autohide-threshold': 10,
 | 
						|
	},
 | 
						|
 | 
						|
	actions: actions.Actions({
 | 
						|
		toggleAutoHideCursor: ['Interface/Toggle cursor auto hiding',
 | 
						|
			toggler.CSSClassToggler(
 | 
						|
				function(){ return this.ribbons.viewer }, 
 | 
						|
				'cursor-hidden',
 | 
						|
				function(state){
 | 
						|
					var that = this
 | 
						|
					var viewer = this.ribbons.viewer
 | 
						|
 | 
						|
					// setup...
 | 
						|
					if(state == 'on'){
 | 
						|
						var x, y
 | 
						|
						var timer
 | 
						|
						var timeout = this.config['cursor-autohide-timeout'] || 1000
 | 
						|
 | 
						|
						var handler 
 | 
						|
							= this.__cursor_autohide_handler 
 | 
						|
							= (this.__cursor_autohide_handler 
 | 
						|
								|| function(){
 | 
						|
									timer && clearTimeout(timer)
 | 
						|
 | 
						|
									var threshold = that.config['cursor-autohide-threshold'] || 0
 | 
						|
									x = x || event.clientX
 | 
						|
									y = y || event.clientY
 | 
						|
 | 
						|
									// show only if cursor moved outside of threshold...
 | 
						|
									if(threshold > 0){ 
 | 
						|
										if(Math.max(Math.abs(x - event.clientX), 
 | 
						|
												Math.abs(y - event.clientY)) > threshold){
 | 
						|
											x = y = null
 | 
						|
											that.ribbons.viewer
 | 
						|
												.removeClass('cursor-hidden')
 | 
						|
										}
 | 
						|
 | 
						|
									// show right away -- no threshold...
 | 
						|
									} else {
 | 
						|
										that.ribbons.viewer
 | 
						|
											.removeClass('cursor-hidden')
 | 
						|
									}
 | 
						|
 | 
						|
									var timeout = that.config['cursor-autohide-timeout'] || 1000
 | 
						|
									if(timeout && timeout > 0){
 | 
						|
										timer = setTimeout(function(){
 | 
						|
											var viewer = that.ribbons.viewer
 | 
						|
 | 
						|
											if(!viewer.prop('cursor-autohide')){
 | 
						|
												viewer.removeClass('cursor-hidden')
 | 
						|
												return
 | 
						|
											}
 | 
						|
 | 
						|
											timer && viewer.addClass('cursor-hidden')
 | 
						|
										}, timeout)
 | 
						|
									}
 | 
						|
								})
 | 
						|
 | 
						|
						// do the base setup...
 | 
						|
						!viewer.prop('cursor-autohide')
 | 
						|
							&& viewer
 | 
						|
								.prop('cursor-autohide', true)
 | 
						|
								.addClass('cursor-hidden')
 | 
						|
								// prevent multiple handlers...
 | 
						|
								.off('mousemove', this.__cursor_autohide_handler)
 | 
						|
								.mousemove(handler)
 | 
						|
 | 
						|
					// teardown...
 | 
						|
					} else {
 | 
						|
						viewer
 | 
						|
							.off('mousemove', this.__cursor_autohide_handler)
 | 
						|
							.prop('cursor-autohide', false)
 | 
						|
							.removeClass('cursor-hidden')
 | 
						|
						delete this.__cursor_autohide_handler
 | 
						|
					}
 | 
						|
				})],
 | 
						|
	}),
 | 
						|
})
 | 
						|
 | 
						|
 | 
						|
 | 
						|
 | 
						|
/*********************************************************************/
 | 
						|
// Touch/Control...
 | 
						|
 | 
						|
// Direct control mode...
 | 
						|
// XXX add vertical scroll...
 | 
						|
// XXX add pinch-zoom...
 | 
						|
// XXX disable drag in single image mode unless image is larger than the screen...
 | 
						|
 | 
						|
// XXX BUG: current image indicator gets shown in random places...
 | 
						|
// XXX BUG: this does it's work via css left which is both slow and 
 | 
						|
// 		messes up positioning...
 | 
						|
var DirectControljQ = 
 | 
						|
module.DirectControljQ = core.ImageGridFeatures.Feature({
 | 
						|
	title: '',
 | 
						|
	doc: '',
 | 
						|
 | 
						|
	tag: 'ui-direct-control-jquery',
 | 
						|
	exclusive: ['ui-direct-control'],
 | 
						|
	depends: [
 | 
						|
		'ui',
 | 
						|
		// this is only used to trigger reoad...
 | 
						|
		//'ui-partial-ribbons',
 | 
						|
	],
 | 
						|
 | 
						|
	// XXX add setup/taredown...
 | 
						|
	handlers: [
 | 
						|
		// setup ribbon dragging...
 | 
						|
		// XXX this is really sloooooow...
 | 
						|
		// XXX hide current image indicator as soon as the image is not visible...
 | 
						|
		// XXX inertia...
 | 
						|
		// XXX limit scroll to at least one image being on screen (center?)...
 | 
						|
		['updateRibbon', 
 | 
						|
			function(_, target){
 | 
						|
				var that = this
 | 
						|
				var r = this.ribbons.getRibbon(target)
 | 
						|
 | 
						|
				var scale = 1
 | 
						|
 | 
						|
				// setup dragging...
 | 
						|
				r.length > 0 
 | 
						|
					&& !r.hasClass('ui-draggable')
 | 
						|
					&& r.draggable({
 | 
						|
						axis: 'x',
 | 
						|
 | 
						|
						start: function(evt, ui){
 | 
						|
							scale = that.ribbons.scale()	
 | 
						|
						},
 | 
						|
						// compensate for ribbon scale...
 | 
						|
						drag: function(evt, ui) {
 | 
						|
							// compensate for scale...
 | 
						|
							ui.position = {
 | 
						|
								left: ui.originalPosition.left 
 | 
						|
									+ (ui.position.left 
 | 
						|
										- ui.originalPosition.left) / scale,
 | 
						|
								top: ui.originalPosition.top 
 | 
						|
									+ (ui.position.top 
 | 
						|
										- ui.originalPosition.top) / scale,
 | 
						|
							}
 | 
						|
						},
 | 
						|
 | 
						|
						stop: function(){
 | 
						|
							var c = that.ribbons.getImageByPosition('center', r)
 | 
						|
							that
 | 
						|
								.updateRibbon(c)
 | 
						|
								// XXX is this correct???
 | 
						|
								//.updateCurrentImageIndicator()
 | 
						|
						}
 | 
						|
					})
 | 
						|
			}],
 | 
						|
	],
 | 
						|
})
 | 
						|
 | 
						|
 | 
						|
// XXX BUG: this does not account for scale when setting the initial drag
 | 
						|
// 		position, resulting in a jump...
 | 
						|
// XXX do not use this for production -- GSAp has a bad license...
 | 
						|
var DirectControlGSAP = 
 | 
						|
module.DirectControlGSAP = core.ImageGridFeatures.Feature({
 | 
						|
	title: '',
 | 
						|
	doc: '',
 | 
						|
 | 
						|
	tag: 'ui-direct-control-gsap',
 | 
						|
	exclusive: ['ui-direct-control'],
 | 
						|
	depends: [
 | 
						|
		'ui',
 | 
						|
		// this is only used to trigger reoad...
 | 
						|
		//'ui-partial-ribbons',
 | 
						|
	],
 | 
						|
 | 
						|
	// XXX add setup/taredown...
 | 
						|
	handlers: [
 | 
						|
		// setup ribbon dragging...
 | 
						|
		['updateRibbon', 
 | 
						|
			function(_, target){
 | 
						|
				var that = this
 | 
						|
				var r = this.ribbons.getRibbon(target)
 | 
						|
 | 
						|
				// setup dragging...
 | 
						|
				if(r.length > 0 && !r.hasClass('draggable')){
 | 
						|
					r.addClass('draggable')
 | 
						|
 | 
						|
					Draggable.create(r, {
 | 
						|
						type: 'x',
 | 
						|
						cursor: 'auto',
 | 
						|
						onDragEnd: function(){
 | 
						|
							var c = that.ribbons.getImageByPosition('center', r)
 | 
						|
							that
 | 
						|
								.updateRibbon(c)
 | 
						|
						}})
 | 
						|
				}
 | 
						|
			}],
 | 
						|
	],
 | 
						|
})
 | 
						|
 | 
						|
 | 
						|
// XXX try direct control with hammer.js
 | 
						|
// XXX load state from config...
 | 
						|
// XXX sometimes this makes the indicator hang for longer than needed...
 | 
						|
// XXX BUG: this conflicts a bit whith ui-clickable...
 | 
						|
// 		...use this with hammer.js taps instead...
 | 
						|
// XXX might be a good idea to make a universal and extensible control 
 | 
						|
// 		mode toggler...
 | 
						|
// 		...obvious chice would seem to be a meta toggler:
 | 
						|
// 			config['control-mode'] = {
 | 
						|
// 				<mode-name>: <mode-toggler>
 | 
						|
// 			}
 | 
						|
// 			and the action will toggle the given mode on and the previous
 | 
						|
// 			off...
 | 
						|
// 			XXX this seems a bit too complicated...
 | 
						|
var IndirectControl = 
 | 
						|
module.IndirectControl = core.ImageGridFeatures.Feature({
 | 
						|
	title: '',
 | 
						|
	doc: '',
 | 
						|
 | 
						|
	tag: 'ui-indirect-control',
 | 
						|
	// XXX is this correct???
 | 
						|
	exclusive: ['ui-direct-control'],
 | 
						|
	depends: ['ui'],
 | 
						|
 | 
						|
	config: {
 | 
						|
	},
 | 
						|
 | 
						|
	actions: actions.Actions({
 | 
						|
		toggleSwipeHandling:['Interface/Toggle indirect control swipe handling',
 | 
						|
			toggler.Toggler(null,
 | 
						|
				function(_, state){
 | 
						|
 | 
						|
					if(state == null){
 | 
						|
						return (this.ribbons 
 | 
						|
								&& this.ribbons.viewer 
 | 
						|
								&& this.ribbons.viewer.data('hammer')) 
 | 
						|
							|| 'none'
 | 
						|
 | 
						|
					// on...
 | 
						|
					} else if(state == 'handling-swipes'){
 | 
						|
						var that = this
 | 
						|
						var viewer = this.ribbons.viewer
 | 
						|
 | 
						|
						// prevent multiple handlers...
 | 
						|
						if(viewer.data('hammer') != null){
 | 
						|
							return
 | 
						|
						}
 | 
						|
 | 
						|
						viewer.hammer()
 | 
						|
 | 
						|
						var h = viewer.data('hammer')
 | 
						|
						h.get('swipe').set({direction: Hammer.DIRECTION_ALL})
 | 
						|
 | 
						|
						viewer
 | 
						|
							.on('swipeleft', function(){ that.nextImage() })
 | 
						|
							.on('swiperight', function(){ that.prevImage() })
 | 
						|
							.on('swipeup', function(){ that.shiftImageUp() })
 | 
						|
							.on('swipedown', function(){ that.shiftImageDown() })
 | 
						|
 | 
						|
					// off...
 | 
						|
					} else {
 | 
						|
						this.ribbons.viewer
 | 
						|
							.off('swipeleft')
 | 
						|
							.off('swiperight')
 | 
						|
							.off('swipeup')
 | 
						|
							.off('swipedown')
 | 
						|
							.removeData('hammer')
 | 
						|
					}
 | 
						|
 | 
						|
				},
 | 
						|
				'handling-swipes')],
 | 
						|
	}),
 | 
						|
 | 
						|
	handlers: [
 | 
						|
		['load', 
 | 
						|
			function(){ a.toggleSwipeHandling('on') }],
 | 
						|
		['stop', 
 | 
						|
			function(){ a.toggleSwipeHandling('off') }],
 | 
						|
	],
 | 
						|
})
 | 
						|
 | 
						|
 | 
						|
 | 
						|
 | 
						|
/*********************************************************************/
 | 
						|
// XXX experimental...
 | 
						|
 | 
						|
// 		...not sure if this is the right way to go...
 | 
						|
// XXX need to get the minimal size and not the width as results will 
 | 
						|
// 		depend on viewer format...
 | 
						|
var AutoSingleImage = 
 | 
						|
module.AutoSingleImage = core.ImageGridFeatures.Feature({
 | 
						|
	title: '',
 | 
						|
	doc: '',
 | 
						|
 | 
						|
	tag: 'auto-single-image',
 | 
						|
 | 
						|
	// NOTE: this feature has no actions defined but needs the config...
 | 
						|
	config: {
 | 
						|
		'auto-single-image-in': 2,
 | 
						|
		'auto-single-image-out': 7,
 | 
						|
	},
 | 
						|
 | 
						|
	handlers: [
 | 
						|
		['fitImage.pre',
 | 
						|
			function(count){
 | 
						|
				count = count || 1
 | 
						|
 | 
						|
				if(this.toggleSingleImage('?') == 'off' 
 | 
						|
						&& count < this.config['auto-single-image-in']
 | 
						|
						&& count < this.screenwidth){
 | 
						|
					this.toggleSingleImage()
 | 
						|
 | 
						|
				} else if(this.toggleSingleImage('?') == 'on' 
 | 
						|
						&& count >= this.config['auto-single-image-out']
 | 
						|
						&& count > this.screenwidth){
 | 
						|
					this.toggleSingleImage()
 | 
						|
				}
 | 
						|
			}],
 | 
						|
	],
 | 
						|
})
 | 
						|
 | 
						|
var AutoRibbon = 
 | 
						|
module.AutoRibbon = core.ImageGridFeatures.Feature({
 | 
						|
	title: '',
 | 
						|
	doc: '',
 | 
						|
 | 
						|
	tag: 'auto-ribbon',
 | 
						|
 | 
						|
	handlers: [
 | 
						|
		['nextRibbon prevRibbon',
 | 
						|
			function(){
 | 
						|
				this.toggleSingleImage('?') == 'on' 
 | 
						|
					&& this.toggleSingleImage('off') }],
 | 
						|
	],
 | 
						|
})
 | 
						|
 | 
						|
 | 
						|
 | 
						|
 | 
						|
/**********************************************************************
 | 
						|
* vim:set ts=4 sw=4 :                                                */
 | 
						|
return module })
 |