56 lines
1.7 KiB
CoffeeScript
56 lines
1.7 KiB
CoffeeScript
#= require dropzone
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#= require mousetrap
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#= require mousetrap/pause
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class @ZenMode
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constructor: ->
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@active_zen_area = null
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@active_checkbox = null
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@scroll_position = 0
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$(window).scroll =>
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if not @active_checkbox
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@scroll_position = window.pageYOffset
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$('body').on 'click', '.zen-enter-link', (e) =>
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e.preventDefault()
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$(e.currentTarget).closest('.zennable').find('.zen-toggle-comment').prop('checked', true).change()
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$('body').on 'click', '.zen-leave-link', (e) =>
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e.preventDefault()
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$(e.currentTarget).closest('.zennable').find('.zen-toggle-comment').prop('checked', false).change()
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$('body').on 'change', '.zen-toggle-comment', (e) =>
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checkbox = e.currentTarget
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if checkbox.checked
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# Disable other keyboard shortcuts in ZEN mode
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Mousetrap.pause()
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@updateActiveZenArea(checkbox)
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else
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@exitZenMode()
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$(document).on 'keydown', (e) =>
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if e.keyCode is 27 # Esc
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@exitZenMode()
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e.preventDefault()
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updateActiveZenArea: (checkbox) =>
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@active_checkbox = $(checkbox)
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@active_checkbox.prop('checked', true)
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@active_zen_area = @active_checkbox.parent().find('textarea')
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# Prevent a user-resized textarea from persisting to fullscreen
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@active_zen_area.removeAttr('style')
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@active_zen_area.focus()
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exitZenMode: =>
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if @active_zen_area isnt null
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Mousetrap.unpause()
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@active_checkbox.prop('checked', false)
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@active_zen_area = null
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@active_checkbox = null
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@restoreScroll(@scroll_position)
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# Enable dropzone when leaving ZEN mode
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Dropzone.forElement('.div-dropzone').enable()
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restoreScroll: (y) ->
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window.scrollTo(window.pageXOffset, y)
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