mirror of
https://github.com/flynx/ImageGrid.git
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462 lines
12 KiB
JavaScript
Executable File
462 lines
12 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 STEPS_TO_CHANGE_DIRECTION = 2
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var _STEPS_LEFT_TO_CHANGE_DIRECTION = STEPS_TO_CHANGE_DIRECTION
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// XXX code related to this needs testing...
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var DIRECTION = 'next'
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/*********************************************************************/
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var KEYBOARD_CONFIG = {
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// info overlay...
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//
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// NOTE: this is here to prevent selecting images while trying to
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// select info text...
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'.overlay-info:hover': {
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title: 'Info overlay',
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doc: 'Displayed on bottom of the screen if enabled (toggle with '+
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'<b>I</b>) and/or inline, at bottom of and image when cursor '+
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'is over it (only in ribbon mode, toggle with <b>alt-I</b>)<p>'+
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'<p>NOTE: when the cursor is over the info overlay one can use '+
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'Ctrl-A and Ctrl-D for info text selection, without affecting '+
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'image selection/marks.',
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ignore: [ 'A' ],
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A: {
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// NOTE: this is here only for documentation...
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ctrl: doc('Select all'),
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},
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D: {
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ctrl: doc('Clear selection',
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function(){
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document.getSelection().empty()
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return false
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})
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}
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},
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// help mode...
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//
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// NOTE: need to keep all info modes before the rest so as to give
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// their bindings priority...
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'.help-mode': {
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title: 'Help',
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doc: 'To enter this mode press <b>H</b> or <b>?</b>.'+
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'<p>NOTE: In this mode all other key bindings are disabled, '+
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'except the ones explicitly defined here.',
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ignore: '*',
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Esc: doc('Close help',
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function(){
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toggleKeyboardHelp('off')
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return false
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}),
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H: 'Esc',
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Q: 'Esc',
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'?': 'Esc',
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},
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// slideshow mode...
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//
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'.slideshow-mode': {
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title: 'Slideshow mode',
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doc: 'To enter this mode press <b>S</b>.',
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// XXX think about what else to disable here...
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ignore: [
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'Up', 'Down', 'Enter', 'R', 'L',
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],
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L: doc('Toggle slideshow looping',
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function(){
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SLIDESHOW_LOOP = SLIDESHOW_LOOP ? false : true
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showStatus('Slideshow: looping', SLIDESHOW_LOOP ? 'enabled...' : 'disabled...')
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return false
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}),
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R: doc('Reverse slideshow direction',
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function(){
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SLIDESHOW_DIRECTION = SLIDESHOW_DIRECTION == 'next' ? 'prev' : 'next'
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showStatus('Slideshow: direction:', SLIDESHOW_DIRECTION + '...')
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return false
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}),
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Esc: doc('Exit/stop slideshow',
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function(){
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toggleSlideShowMode('off')
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return false
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}),
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S: 'Esc',
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Q: 'Esc',
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},
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// single image mode...
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//
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'.single-image-mode': {
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title: 'Single image mode',
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doc: 'To toggle between this and ribbon modes press <b>Enter</b>.',
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// XXX this should only work on single image mode...
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F: doc('Toggle view proportions',
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function(){
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var mode = toggleImageProportions()
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showStatus('Fitting image to:', mode + '...')
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centerRibbons()
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}),
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Esc: doc('Exit single image mode',
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function(){
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toggleSingleImageMode('off')
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return false
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}),
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Q: 'Esc',
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},
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// marked only ribbon mode...
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//
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'.marked-only-view:not(.single-image-mode)': {
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title: 'Marked only view',
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doc: 'To toggle this mode press <b>shift-F2</b>.',
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Esc: doc('Exit marked only view',
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function(){
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toggleMarkedOnlyView('off')
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return false
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}),
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Q: 'Esc',
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},
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// general setup...
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//
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'.viewer:not(.overlay)': {
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title: 'Global',
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doc: 'These key bindings work in most other modes.',
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// Actions...
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'.next-screen': doc('Next screen',
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function(){
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event.preventDefault()
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nextScreenImages()
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centerRibbons()
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}),
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'.prev-screen': doc('Previous screen',
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function(){
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event.preventDefault()
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prevScreenImages()
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centerRibbons()
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}),
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// Navigation...
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// XXX need to cancel the animation of the prev action...
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Left: {
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default: doc('Previous image',
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function(){
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event.preventDefault()
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// update direction...
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if(DIRECTION != 'prev'){
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_STEPS_LEFT_TO_CHANGE_DIRECTION--
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if(_STEPS_LEFT_TO_CHANGE_DIRECTION == 0){
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DIRECTION = 'prev'
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_STEPS_LEFT_TO_CHANGE_DIRECTION = 2
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}
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} else {
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_STEPS_LEFT_TO_CHANGE_DIRECTION = 2
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}
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prevImage()
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centerRibbons()
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}),
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ctrl: '.prev-screen',
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},
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Right: {
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default: doc('Next image',
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function(){
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event.preventDefault()
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// update direction...
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if(DIRECTION != 'next'){
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_STEPS_LEFT_TO_CHANGE_DIRECTION--
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if(_STEPS_LEFT_TO_CHANGE_DIRECTION == 0){
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DIRECTION = 'next'
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_STEPS_LEFT_TO_CHANGE_DIRECTION = 2
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}
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} else {
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_STEPS_LEFT_TO_CHANGE_DIRECTION = 2
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}
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nextImage()
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centerRibbons()
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}),
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ctrl: '.next-screen',
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},
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Space: {
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default: 'Right',
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shift: 'Left',
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// screen-oriented movement...
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ctrl: 'Right',
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'ctrl+shift': '.prev-screen',
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},
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Backspace: {
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default: 'Left',
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shift: 'Right',
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// screen-oriented movement...
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ctrl: 'Left',
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'ctrl+shift': '.next-screen',
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},
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Home: doc('First image',
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function(){
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event.preventDefault()
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firstImage()
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centerRibbons()
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}),
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End: doc('Last image',
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function(){
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event.preventDefault()
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lastImage()
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centerRibbons()
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}),
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// combined navigation and editor actions...
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Up: {
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default: doc('Go to ribbon above',
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function(){
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event.preventDefault()
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prevRibbon()
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centerRibbons()
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}),
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shift: doc('Shift image up',
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function(){
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event.preventDefault()
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shiftImageUp(null, DIRECTION)
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centerRibbons()
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}),
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'ctrl+shift': doc('Shift image up to empty ribbon',
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function(){
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event.preventDefault()
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shiftImageUpNewRibbon(null, DIRECTION)
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centerRibbons()
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}),
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},
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Down: {
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default: doc('Go to ribbon below',
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function(){
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event.preventDefault()
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nextRibbon()
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centerRibbons()
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}),
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shift: doc('Shift image down',
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function(){
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event.preventDefault()
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shiftImageDown(null, DIRECTION)
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centerRibbons()
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}),
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'ctrl+shift': doc('Shift image down to empty ribbon',
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function(){
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event.preventDefault()
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shiftImageDownNewRibbon(null, DIRECTION)
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centerRibbons()
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}),
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},
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L: doc('Rotate image left', function(){ rotateLeft() }),
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R: doc('Rotate image right', function(){ rotateRight() }),
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// zooming...
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'#1': doc('Fit one image', function(){ fitNImages(1) }),
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'#2': doc('Fit two images', function(){ fitNImages(2) }),
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'#3': doc('Fit three images', function(){ fitNImages(3) }),
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'#4': doc('Fit four images', function(){ fitNImages(4) }),
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'#5': doc('Fit five images', function(){ fitNImages(5) }),
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'#6': doc('Fit six images', function(){ fitNImages(6) }),
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'#7': doc('Fit seven images', function(){ fitNImages(7) }),
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'#8': doc('Fit eight images', function(){ fitNImages(8) }),
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'#9': doc('Fit nine images', function(){ fitNImages(9) }),
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'-': doc('Zoom in', function(){ zoomOut() }),
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'=': doc('Zoom out', function(){ zoomIn() }),
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Enter: doc('Toggle single image view',
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function(){ toggleSingleImageMode() }),
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B: doc('Toggle theme', function(){ toggleTheme() }),
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S: {
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default: doc('Start slideshow',
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function(){ toggleSlideShowMode('on') }),
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ctrl: doc('Save current state',
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function(){
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event.preventDefault()
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//saveLocalStorage()
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saveLocalStorageData()
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saveLocalStorageMarks()
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saveLocalStorageSettings()
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saveFileState()
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})
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},
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Z: {
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ctrl: doc('Restore to last saved state',
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function(){
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loadLocalStorage()
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loadLocalStorageMarks()
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})
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},
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// marking...
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// XXX not final, think of a better way to do this...
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// XXX need mark navigation...
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// XXX need marked image shift up/down actions...
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// XXX unmarking an image in marked-only mode results in nothing
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// visible focused if we unmark the first or last image in
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// the ribbon...
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M: {
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// NOTE: marking moves in the same direction as the last
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// move...
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// i.e. marking can change direction depending on where
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// we moved last...
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// NOTE: marking does not change move direction...
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default: doc('Mark current image and advance',
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function(){
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toggleImageMark()
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if(DIRECTION == 'next'){
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nextImage()
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} else {
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prevImage()
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}
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if(getImage().filter(':visible').length == 0){
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centerView(focusImage(getImageBefore()))
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}
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centerRibbons()
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}),
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// same as default but in reverse direction...
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shift: doc('Mark current image and return',
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function(){
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toggleImageMark()
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if(DIRECTION == 'prev'){
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nextImage()
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} else {
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prevImage()
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}
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if(getImage().filter(':visible').length == 0){
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centerView(focusImage(getImageBefore()))
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}
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centerRibbons()
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}),
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ctrl: doc('Mark current image',
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function(){
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var action = toggleImageMark()
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}),
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},
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I: {
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// XXX group this with other info stuff into a single on/off toggle...
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default: doc('Toggle image info display',
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function(){ toggleImageInfo() }),
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// XXX STUB -- replace with a real info window...
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shift: doc('Show current image info',
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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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alert('"'+ name +'"\n'+
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'Orientation: '+ orientation +'deg\n'+
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'GID: '+ gid +'\n'+
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'Path: "'+ data.path +'"\n'+
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'Order: '+ order +'\n'+
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'Position (ribbon): '+ DATA.ribbons[r].indexOf(gid) +
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'/'+ DATA.ribbons[r].length +'\n'+
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'Position (global): '+ order +'/'+ DATA.order.length +'\n'+
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'')
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}),
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alt: doc('Toggle inline image info display',
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function(){
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toggleInlineImageInfo()
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}),
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// marking...
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ctrl: doc('Invert image marks',
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function(){ invertImageMarks() }),
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},
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A: {
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// XXX does not yet work with DATA (???)
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//shift: doc('Toggle marks in current contagious block',
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// function(){ toggleImageMarkBlock() }),
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ctrl: doc('Mark current ribbon',
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function(){ markAll('ribbon') }),
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'ctrl+shift': doc('Mark all images',
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function(){ markAll('all') }),
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},
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D: {
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ctrl: doc('Unmark current ribbon',
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function(){ removeImageMarks('ribbon') }),
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'ctrl+shift': doc('Unmark all images',
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function(){ removeImageMarks('all') }),
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},
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U: {
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ctrl: doc('Unmark current ribbon',
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function(){ removeImageMarks('ribbon') }),
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shift: doc('Unamrk all',
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function(){ removeImageMarks('all') }),
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},
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F2: {
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default: doc('Toggle mark visibility',
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function(){ toggleMarkesView() }),
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shift: doc('Toggle marked only images view',
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function(){
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toggleMarkedOnlyView()
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})
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},
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F4: doc('Open image in external software', openImage),
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E: 'F4',
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'?': doc('Show keyboard bindings',
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function(){ toggleKeyboardHelp() }),
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H: '?',
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/* testing the shift-key feature...
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'~': {
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default: function(){ alert('~') },
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// this is inaccessible...
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shift: function(){ alert('shift-~') },
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ctrl: function(){ alert('ctrl-~') },
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'ctrl+alt': function(){ alert('ctrl-alt-~') },
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},
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'`': {
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default: function(){ alert('`') },
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// this is also not accessible as it is shadowed by '''...
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shift: function(){ alert('shift-`') },
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ctrl: function(){ alert('ctrl-`') },
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'ctrl+alt': function(){ alert('ctrl-alt-`') },
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},
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*/
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}
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}
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/**********************************************************************
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* vim:set ts=4 sw=4 : */
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