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class @FilesCommentButton
COMMENT_BUTTON_CLASS = '.add-diff-note'
COMMENT_BUTTON_TEMPLATE = _.template '<button name="button" type="submit" class="btn <%- COMMENT_BUTTON_CLASS %> js-add-diff-note-button" title="Add a comment to this line"><i class="fa fa-comment-o"></i></button>'
LINE_HOLDER_CLASS = '.line_holder'
LINE_NUMBER_CLASS = 'diff-line-num'
LINE_CONTENT_CLASS = 'line_content'
UNFOLDABLE_LINE_CLASS = 'js-unfold'
EMPTY_CELL_CLASS = 'empty-cell'
OLD_LINE_CLASS = 'old_line'
LINE_COLUMN_CLASSES = ".#{LINE_NUMBER_CLASS}, .line_content"
TEXT_FILE_SELECTOR = '.text-file'
DEBOUNCE_TIMEOUT_DURATION = 100
constructor: (@filesContainerElement) ->
@VIEW_TYPE = $('input#view[type=hidden]').val()
debounce = _.debounce @render, DEBOUNCE_TIMEOUT_DURATION
$(document)
.off 'mouseover', LINE_COLUMN_CLASSES
.off 'mouseleave', LINE_COLUMN_CLASSES
.on 'mouseover', LINE_COLUMN_CLASSES, debounce
.on 'mouseleave', LINE_COLUMN_CLASSES, @destroy
render: (e) =>
$currentTarget = $(e.currentTarget)
buttonParentElement = @getButtonParent $currentTarget
return unless @shouldRender e, buttonParentElement
textFileElement = @getTextFileElement $currentTarget
lineContentElement = @getLineContent $currentTarget
buttonParentElement.append @buildButton
noteableType: textFileElement.attr 'data-noteable-type'
noteableID: textFileElement.attr 'data-noteable-id'
commitID: textFileElement.attr 'data-commit-id'
noteType: lineContentElement.attr 'data-note-type'
position: lineContentElement.attr 'data-position'
lineType: lineContentElement.attr 'data-line-type'
discussionID: lineContentElement.attr 'data-discussion-id'
lineCode: lineContentElement.attr 'data-line-code'
return
destroy: (e) =>
return if @isMovingToSameType e
$(COMMENT_BUTTON_CLASS, @getButtonParent $(e.currentTarget)).remove()
return
buildButton: (buttonAttributes) ->
initializedButtonTemplate = COMMENT_BUTTON_TEMPLATE
COMMENT_BUTTON_CLASS: COMMENT_BUTTON_CLASS.substr 1
$(initializedButtonTemplate).attr
'data-noteable-type': buttonAttributes.noteableType
'data-noteable-id': buttonAttributes.noteableID
'data-commit-id': buttonAttributes.commitID
'data-note-type': buttonAttributes.noteType
'data-line-code': buttonAttributes.lineCode
'data-position': buttonAttributes.position
'data-discussion-id': buttonAttributes.discussionID
'data-line-type': buttonAttributes.lineType
getTextFileElement: (hoveredElement) ->
$(hoveredElement.closest TEXT_FILE_SELECTOR)
getLineContent: (hoveredElement) ->
return hoveredElement if hoveredElement.hasClass LINE_CONTENT_CLASS
if @VIEW_TYPE is 'inline'
return $(hoveredElement).closest(LINE_HOLDER_CLASS).find ".#{LINE_CONTENT_CLASS}"
else
return $(hoveredElement).next ".#{LINE_CONTENT_CLASS}"
getButtonParent: (hoveredElement) ->
if @VIEW_TYPE is 'inline'
return hoveredElement if hoveredElement.hasClass OLD_LINE_CLASS
hoveredElement.parent().find ".#{OLD_LINE_CLASS}"
else
return hoveredElement if hoveredElement.hasClass LINE_NUMBER_CLASS
$(hoveredElement).prev ".#{LINE_NUMBER_CLASS}"
isMovingToSameType: (e) ->
newButtonParent = @getButtonParent $(e.toElement)
return false unless newButtonParent
newButtonParent.is @getButtonParent $(e.currentTarget)
shouldRender: (e, buttonParentElement) ->
(not buttonParentElement.hasClass(EMPTY_CELL_CLASS) and \
not buttonParentElement.hasClass(UNFOLDABLE_LINE_CLASS) and \
$(COMMENT_BUTTON_CLASS, buttonParentElement).length is 0)
$.fn.filesCommentButton = ->
return unless this and @parent().data('can-create-note')?
@each ->
unless $.data this, 'filesCommentButton'
$.data this, 'filesCommentButton', new FilesCommentButton $(this)
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