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class @FilesCommentButton
constructor: (@filesContainerElement) ->
return unless @filesContainerElement
return if _.isUndefined @filesContainerElement.data 'can-create-note'
@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 = 150
@VIEW_TYPE = $('input#view[type=hidden]').val()
$(document)
.on 'mouseover', @LINE_COLUMN_CLASSES, @debounceRender
.on 'mouseleave', @LINE_COLUMN_CLASSES, @destroy
debounceRender: (e) =>
clearTimeout @debounceTimeout if @debounceTimeout
@debounceTimeout = setTimeout =>
@render e
, @DEBOUNCE_TIMEOUT_DURATION
return
render: (e) ->
currentTarget = $(e.currentTarget)
textFileElement = @getTextFileElement(currentTarget)
lineHolderElement = @getLineHolder(currentTarget)
lineContentElement = @getLineContent(currentTarget)
buttonParentElement = @getButtonParent(currentTarget)
return unless @shouldRender e, buttonParentElement
buttonParentElement.append @buildButton
commit_id: textFileElement.attr 'data-commit-id'
discussion_id: lineContentElement.attr('data-discussion-id') or lineHolderElement.attr('data-discussion-id')
line_code: lineContentElement.attr('data-line-code') or lineHolderElement.attr('id')
line_type: lineContentElement.attr 'data-line-type'
note_type: textFileElement.attr 'data-note-type'
noteable_id: textFileElement.attr 'data-noteable-id'
noteable_type: textFileElement.attr 'data-noteable-type'
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-id': buttonAttributes.noteable_id
'data-commit-id': buttonAttributes.commit_id
'data-discussion-id': buttonAttributes.discussion_id
'data-noteable-type': buttonAttributes.noteable_type
'data-line-type': buttonAttributes.line_type
'data-note-type': buttonAttributes.note_type
'data-line-code': buttonAttributes.line_code
getTextFileElement: (hoveredElement) ->
$(hoveredElement.closest(@TEXT_FILE_SELECTOR))
getLineHolder: (hoveredElement) ->
return hoveredElement if hoveredElement.hasClass @LINE_HOLDER_CLASS
$(hoveredElement.parent())
getLineContent: (hoveredElement) ->
return hoveredElement if hoveredElement.hasClass @LINE_CONTENT_CLASS
$(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) ->
(!buttonParentElement.hasClass(@EMPTY_CELL_CLASS) and \
!buttonParentElement.hasClass(@UNFOLDABLE_LINE_CLASS) and \
$(@COMMENT_BUTTON_CLASS, buttonParentElement).length is 0)
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