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			354 lines
		
	
	
		
			8.5 KiB
		
	
	
	
		
			JavaScript
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			354 lines
		
	
	
		
			8.5 KiB
		
	
	
	
		
			JavaScript
		
	
	
		
			Executable File
		
	
	
	
	
/**********************************************************************
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* 
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*
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*
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**********************************************************************/
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//var DEBUG = DEBUG != null ? DEBUG : true
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var SLIDESHOW_INTERVAL = 3000
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var SLIDESHOW_LOOP = true
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var SLIDESHOW_DIRECTION = 'next'
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/**********************************************************************
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* Utils...
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*/
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// NOTE: this expects a certain structure, this it is not generic...
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//function makeDrawerToggler(contentRenderer, root, element_class, mode_class){
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function makeDrawerToggler(contentRenderer, root){
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	var element_class = '.drawer-block'
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	var toggler = createCSSClassToggler(
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			root, 
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			'drawer-mode overlay',
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			function(action){
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				// XXX
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				var body = $(document.body)
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				var win = $(window)
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				// on...
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				if(action == 'on'){
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					// remove helo when we scroll to the top...
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					var scroll_handler = function(){
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						if(body.scrollTop() <= 0){
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							toggler('off')
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						}
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					}
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					// prepare and cleanup...
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					$(element_class).remove()
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					$(root).addClass('overlay')
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					// build the help...
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					var doc = contentRenderer()
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						.addClass(element_class.replace('.', ' '))
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						.on('click', function(){
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							event.stopImmediatePropagation()
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							return false
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						})
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						.css({
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							cursor: 'auto',
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						})
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						// XXX depends on body...
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						.appendTo(body)
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					// add exit by click...
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					// XXX depends on body...
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					body
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						.one('click', function(){
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							toggler('off')
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						})
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						.css({
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							cursor: 'hand',
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						})
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					// scroll to the help...
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					// NOTE: need to set the scroll handler AFTER we 
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					// 		scroll down, or it will be more of a 
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					// 		tease than a help...
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					var t = getRelativeVisualPosition($(root), doc).top
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					body
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						.animate({
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							scrollTop: Math.abs(t) - 40,
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						}, function(){
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							// XXX depends on window...
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							win
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								.on('scroll', scroll_handler)
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						})
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				// off...
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				} else {
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					// things to cleanup...
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					var _cleanup = function(){
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						$(element_class).remove()
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						$(root).removeClass('overlay')
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						// XXX depends on body...
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						body.click()
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						win.off('scroll', scroll_handler)
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					}
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					// animate things if we are not at the top...
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					if(body.scrollTop() > 0){
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							// XXX depends on body...
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							body
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								.css({
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									cursor: '',
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								})
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								.animate({
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									scrollTop: 0,
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								}, _cleanup) 
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					// if we are at the top do things fast...
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					} else {
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						_cleanup()
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					}
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				}
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			})
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	return toggler
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}
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/**********************************************************************
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* Modes
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*/
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// XXX make this save and restore settings...
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var toggleSingleImageMode = createCSSClassToggler(
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		'.viewer', 
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		'single-image-mode',
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		function(action){
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			// prevent reiniting...
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			if(action == toggleSingleImageMode('?')){
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				return false
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			}
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		},
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		function(action){
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			var w = getScreenWidthInImages()
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			// single image mode...
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			if(action == 'on'){
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				TRANSITION_MODE_DEFAULT = 'css'
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				// save things...
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				SETTINGS['screen-images-ribbon-mode'] = w
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				SETTINGS['image-info-ribbon-mode'] = toggleImageInfo('?')
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				// load things...
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				w = SETTINGS['screen-images-single-image-mode']
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				w = w == null ? 1 : w
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				var p = SETTINGS['single-image-mode-proportions']
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				p = p == null ? 'square' : p
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				// set stuff...
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				toggleImageProportions(p)
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				fitNImages(w)
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				toggleImageInfo('off')
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			// ribbon mode...
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			} else {
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				TRANSITION_MODE_DEFAULT = 'animate'
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				// save things...
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				SETTINGS['screen-images-single-image-mode'] = w
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				SETTINGS['single-image-mode-proportions'] = toggleImageProportions('?')
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				// load things...
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				w = SETTINGS['screen-images-ribbon-mode']
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				w = w == null ? DEFAULT_SCREEN_IMAGES : w
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				toggleImageProportions('none')
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				fitNImages(w)
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				var i = SETTINGS['image-info-ribbon-mode'] == 'on' ? 'on' : 'off'
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				toggleImageInfo(i)
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				SETTINGS['image-info-ribbon-mode'] = i
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				centerRibbons()
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			}
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		})
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// TODO transitions...
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// TODO a real setup UI (instead of prompt)
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var toggleSlideShowMode = createCSSClassToggler(
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		'.viewer', 
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		'.slideshow-mode',
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		function(action){
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			if(action == 'on'){
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				updateStatus('Slideshow...').show()
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				// interval from user...
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				// XXX make this a real UI...
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				var interval = prompt('Slideshow interval (sec):', SLIDESHOW_INTERVAL/1000)
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				// user cancelled...
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				if(interval == null){
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					showStatus('Slideshow: cencelled...')
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					toggleSlideShowMode('off')
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					return 
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				}
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				SLIDESHOW_INTERVAL = isNaN(interval) ? 3000 : interval*1000
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				showStatus('Slideshow: starting', SLIDESHOW_LOOP ? 'looped...' : 'unlooped...')
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				toggleSingleImageMode('on')
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				_slideshow_timer = setInterval(function(){
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					var cur = getImage()
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					// advance the image...
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					var next = SLIDESHOW_DIRECTION == 'next' ? nextImage() : prevImage()
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					// handle slideshow end...
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					if(getImageGID(cur) == getImageGID(next)){
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						if(SLIDESHOW_LOOP){
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							SLIDESHOW_DIRECTION == 'next' ? firstImage() : lastImage()
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						} else {
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							toggleSlideShowMode('off')
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							return 
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						}
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					}
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					// center and trigger load events...
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					centerRibbon()
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				}, SLIDESHOW_INTERVAL)
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			} else {
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				window._slideshow_timer != null && clearInterval(_slideshow_timer)
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				showStatus('Slideshow: stopped...')
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			}
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		})
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var toggleTheme = createCSSClassToggler(
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		'.viewer',
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		[
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			'gray',
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			'dark',
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			'light'
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		],
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		// XXX does this get called for default state (gray)???
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		function(action){
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			SETTINGS['theme'] = action
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		})
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var toggleImageInfo = createCSSClassToggler(
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		'.viewer',
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		'.image-info-visible',
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		function(action){
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			if(toggleSingleImageMode('?') == 'off'){
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				SETTINGS['image-info-ribbon-mode'] = action
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			}
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		})
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var toggleInlineImageInfo = createCSSClassToggler(
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		'.viewer', 
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		'.image-info-inline-visible',
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		function(action){
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			if(action == 'on'){
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				$(document)
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					.on('mouseover', inlineImageInfoHoverHandler)
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			} else {
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				$(document)
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					.off('mouseover', inlineImageInfoHoverHandler)
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					$('.inline-image-info').remove()
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			}
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		})
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var toggleImageProportions = createCSSClassToggler(
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		'.viewer',
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		[
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			'none',
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			'fit-viewer'
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		],
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		function(action){
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			var image = $('.image')
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			var h = image.outerHeight(true)
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			var w = image.outerWidth(true)
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			// viewer proportions...
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			if(action == 'fit-viewer'){
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				var viewer = $('.viewer')
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				var W = viewer.innerWidth()
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				var H = viewer.innerHeight()
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				if(W > H){
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					image.css('width', W * h/H)
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				} else {
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					image.css('height', H * w/W)
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				}
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				// account for rotation...
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				correctImageProportionsForRotation(image)
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				centerView(null, 'css')
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			// square proportions...
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			} else {
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				var size = Math.min(w, h)
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				image.css({
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					width: size,
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					height: size
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				})
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				// account for rotation...
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				correctImageProportionsForRotation(image)
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				centerView(null, 'css')
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			}
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		})
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var toggleHelp = makeDrawerToggler(
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		function(){
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			// XXX populate...
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			// 		...load from file.
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			return $('<h1>Help</h1>')
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		}, '.viewer')
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var toggleKeyboardHelp = makeDrawerToggler(
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		function(){
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			return buildKeybindingsHelpHTML(KEYBOARD_CONFIG)
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		}, '.viewer')
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var toggleOptionsUI = makeDrawerToggler(
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		function(){
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			// XXX populate...
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			return $('<h1>Options</h1>')
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		}, '.viewer')
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// XXX needs styling and cleanup...
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// XXX add a preview...
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var toggleImageInfoDrawer = makeDrawerToggler(
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		function(){
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			var gid = getImageGID(getImage())
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			var r = getRibbonIndex(getRibbon())
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			var data = IMAGES[gid]
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			var orientation = data.orientation
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			orientation = orientation == null ? 0 : orientation
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			var order = DATA.order.indexOf(gid)
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			var name = data.path.split('/').pop()
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			return $('<div>'+
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					'<h1>"'+ name +'"</h1>'+
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					'Orientation: '+ orientation +'deg<br>'+
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					'GID: '+ gid +'<br>'+
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					'Path: "'+ data.path +'"<br>'+
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					'Order: '+ order +'<br>'+
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					'Position (ribbon): '+ (DATA.ribbons[r].indexOf(gid)+1) +
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						'/'+ DATA.ribbons[r].length +'<br>'+
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					'Position (global): '+ (order+1) +'/'+ DATA.order.length +'<br>'+
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				'</div>')
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		}, '.viewer')
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/**********************************************************************
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* vim:set ts=4 sw=4 :                                                */
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