Commit 73eca2a9 authored by Robert Speicher's avatar Robert Speicher

Decouple Markdown previews from DropzoneInput

parent dee28c50
#= require markdown_preview
class @DropzoneInput
constructor: (form) ->
Dropzone.autoDiscover = false
......@@ -11,17 +13,14 @@ class @DropzoneInput
uploadProgress = $("<div class=\"div-dropzone-progress\"></div>")
btnAlert = "<button type=\"button\"" + alertAttr + ">&times;</button>"
project_uploads_path = window.project_uploads_path or null
markdown_preview_path = window.markdown_preview_path or null
max_file_size = gon.max_file_size or 10
form_textarea = $(form).find("textarea.markdown-area")
form_textarea.wrap "<div class=\"div-dropzone\"></div>"
form_textarea.on 'paste', (event) =>
handlePaste(event)
form_textarea.on "input", ->
hideReferencedUsers()
form_textarea.on "blur", ->
renderMarkdown()
$(form).setupMarkdownPreview()
form_dropzone = $(form).find('.div-dropzone')
form_dropzone.parent().addClass "div-dropzone-wrapper"
......@@ -34,42 +33,6 @@ class @DropzoneInput
"opacity": 0
"display": "none"
# Preview button
$(document).off "click", ".js-md-preview-button"
$(document).on "click", ".js-md-preview-button", (e) ->
###
Shows the Markdown preview.
Lets the server render GFM into Html and displays it.
###
e.preventDefault()
form = $(this).closest("form")
# toggle tabs
form.find(".js-md-write-button").parent().removeClass "active"
form.find(".js-md-preview-button").parent().addClass "active"
# toggle content
form.find(".md-write-holder").hide()
form.find(".md-preview-holder").show()
renderMarkdown()
# Write button
$(document).off "click", ".js-md-write-button"
$(document).on "click", ".js-md-write-button", (e) ->
###
Shows the Markdown textarea.
###
e.preventDefault()
form = $(this).closest("form")
# toggle tabs
form.find(".js-md-write-button").parent().addClass "active"
form.find(".js-md-preview-button").parent().removeClass "active"
# toggle content
form.find(".md-write-holder").show()
form.find(".md-preview-holder").hide()
dropzone = form_dropzone.dropzone(
url: project_uploads_path
dictDefaultMessage: ""
......@@ -136,41 +99,6 @@ class @DropzoneInput
child = $(dropzone[0]).children("textarea")
hideReferencedUsers = ->
referencedUsers = form.find(".referenced-users")
referencedUsers.hide()
renderReferencedUsers = (users) ->
referencedUsers = form.find(".referenced-users")
if referencedUsers.length
if users.length >= 10
referencedUsers.show()
referencedUsers.find(".js-referenced-users-count").text users.length
else
referencedUsers.hide()
renderMarkdown = ->
preview = form.find(".js-md-preview")
mdText = form.find(".markdown-area").val()
if mdText.trim().length is 0
preview.text "Nothing to preview."
hideReferencedUsers()
else
preview.text "Loading..."
$.ajax(
type: "POST",
url: markdown_preview_path,
data: {
text: mdText
},
dataType: "json"
).success (data) ->
preview.html data.body
preview.syntaxHighlight()
renderReferencedUsers data.references.users
formatLink = (link) ->
text = "[#{link.alt}](#{link.url})"
text = "!#{text}" if link.is_image
......
# MarkdownPreview
#
# Handles toggling the "Write" and "Preview" tab clicks, rendering the preview,
# and showing a warning when more than `x` users are referenced.
#
class @MarkdownPreview
# Minimum number of users referenced before triggering a warning
referenceThreshold: 10
showPreview: (form) ->
preview = form.find('.js-md-preview')
mdText = form.find('textarea.markdown-area').val()
if mdText.trim().length == 0
preview.text('Nothing to preview.')
@hideReferencedUsers(form)
else
preview.text('Loading...')
@renderMarkdown mdText, (response) =>
preview.html(response.body)
preview.syntaxHighlight()
@renderReferencedUsers(response.references.users, form)
renderMarkdown: (text, success) ->
return unless window.markdown_preview_path
$.ajax
type: 'POST'
url: window.markdown_preview_path
data: { text: text }
dataType: 'json'
success: success
hideReferencedUsers: (form) ->
referencedUsers = form.find('.referenced-users')
referencedUsers.hide()
renderReferencedUsers: (users, form) ->
referencedUsers = form.find('.referenced-users')
if referencedUsers.length
if users.length >= @referenceThreshold
referencedUsers.show()
referencedUsers.find('.js-referenced-users-count').text(users.length)
else
referencedUsers.hide()
markdownPreview = new MarkdownPreview()
previewButtonSelector = '.js-md-preview-button'
writeButtonSelector = '.js-md-write-button'
$.fn.setupMarkdownPreview = ->
$form = $(this)
form_textarea = $form.find('textarea.markdown-area')
form_textarea.on 'input', -> markdownPreview.hideReferencedUsers($form)
form_textarea.on 'blur', -> markdownPreview.showPreview($form)
$(document).on 'click', previewButtonSelector, (e) ->
e.preventDefault()
$form = $(this).closest('form')
# toggle tabs
$form.find(writeButtonSelector).parent().removeClass('active')
$form.find(previewButtonSelector).parent().addClass('active')
# toggle content
$form.find('.md-write-holder').hide()
$form.find('.md-preview-holder').show()
markdownPreview.showPreview($form)
$(document).on 'click', writeButtonSelector, (e) ->
e.preventDefault()
$form = $(this).closest('form')
# toggle tabs
$form.find(writeButtonSelector).parent().addClass('active')
$form.find(previewButtonSelector).parent().removeClass('active')
# toggle content
$form.find('.md-write-holder').show()
$form.find('.md-preview-holder').hide()
......@@ -5,7 +5,7 @@
%a.js-md-write-button(href="#md-write-holder" tabindex="-1")
Write
%li
%a.js-md-preview-button(href="md-preview-holder" tabindex="-1")
%a.js-md-preview-button(href="#md-preview-holder" tabindex="-1")
Preview
- if defined?(referenced_users) && referenced_users
......
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