80 lines
1.8 KiB
CoffeeScript
80 lines
1.8 KiB
CoffeeScript
# Zen Mode (full screen) textarea
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#
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#= provides zen_mode:enter
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#= provides zen_mode:leave
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#
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#= require jquery.scrollTo
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#= require dropzone
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#= require mousetrap
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#= require mousetrap/pause
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#
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# ### Events
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#
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# `zen_mode:enter`
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#
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# Fired when the "Edit in fullscreen" link is clicked.
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#
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# **Synchronicity** Sync
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# **Bubbles** Yes
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# **Cancelable** No
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# **Target** a.js-zen-enter
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#
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# `zen_mode:leave`
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#
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# Fired when the "Leave Fullscreen" link is clicked.
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#
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# **Synchronicity** Sync
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# **Bubbles** Yes
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# **Cancelable** No
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# **Target** a.js-zen-leave
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#
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class @ZenMode
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constructor: ->
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@active_backdrop = null
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@active_textarea = null
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$(document).on 'click', '.js-zen-enter', (e) ->
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e.preventDefault()
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$(e.currentTarget).trigger('zen_mode:enter')
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$(document).on 'click', '.js-zen-leave', (e) ->
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e.preventDefault()
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$(e.currentTarget).trigger('zen_mode:leave')
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$(document).on 'zen_mode:enter', (e) =>
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@enter($(e.target).closest('.md-area').find('.zen-backdrop'))
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$(document).on 'zen_mode:leave', (e) =>
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@exit()
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$(document).on 'keydown', (e) ->
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if e.keyCode == 27 # Esc
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e.preventDefault()
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$(document).trigger('zen_mode:leave')
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enter: (backdrop) ->
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Mousetrap.pause()
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@active_backdrop = $(backdrop)
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@active_backdrop.addClass('fullscreen')
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@active_textarea = @active_backdrop.find('textarea')
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# Prevent a user-resized textarea from persisting to fullscreen
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@active_textarea.removeAttr('style')
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@active_textarea.focus()
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exit: ->
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if @active_textarea
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Mousetrap.unpause()
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@active_textarea.closest('.zen-backdrop').removeClass('fullscreen')
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@scrollTo(@active_textarea)
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@active_textarea = null
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@active_backdrop = null
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Dropzone.forElement('.div-dropzone').enable()
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scrollTo: (zen_area) ->
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$.scrollTo(zen_area, 0, offset: -150)
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