Files
gitlabhq/app/assets/javascripts/dropzone_input.js.coffee
T
Daniel Gerhardt 1ea2dfa5de Do not add the same icon multiple times to dropzones
Some DOM queries were to broad which caused paperclip icons and spinners
to be added multiple times to a dropzone in case of multiple dropzones
on a page.
2015-07-10 19:46:40 +02:00

274 lines
8.4 KiB
CoffeeScript

class @DropzoneInput
constructor: (form) ->
Dropzone.autoDiscover = false
alertClass = "alert alert-danger alert-dismissable div-dropzone-alert"
alertAttr = "class=\"close\" data-dismiss=\"alert\"" + "aria-hidden=\"true\""
divHover = "<div class=\"div-dropzone-hover\"></div>"
divSpinner = "<div class=\"div-dropzone-spinner\"></div>"
divAlert = "<div class=\"" + alertClass + "\"></div>"
iconPaperclip = "<i class=\"fa fa-paperclip div-dropzone-icon\"></i>"
iconSpinner = "<i class=\"fa fa-spinner fa-spin div-dropzone-icon\"></i>"
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_dropzone = $(form).find('.div-dropzone')
form_dropzone.parent().addClass "div-dropzone-wrapper"
form_dropzone.append divHover
form_dropzone.find(".div-dropzone-hover").append iconPaperclip
form_dropzone.append divSpinner
form_dropzone.find(".div-dropzone-spinner").append iconSpinner
form_dropzone.find(".div-dropzone-spinner").css
"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: ""
clickable: true
paramName: "file"
maxFilesize: max_file_size
uploadMultiple: false
headers:
"X-CSRF-Token": $("meta[name=\"csrf-token\"]").attr("content")
previewContainer: false
processing: ->
$(".div-dropzone-alert").alert "close"
dragover: ->
form_textarea.addClass "div-dropzone-focus"
form.find(".div-dropzone-hover").css "opacity", 0.7
return
dragleave: ->
form_textarea.removeClass "div-dropzone-focus"
form.find(".div-dropzone-hover").css "opacity", 0
return
drop: ->
form_textarea.removeClass "div-dropzone-focus"
form.find(".div-dropzone-hover").css "opacity", 0
form_textarea.focus()
return
success: (header, response) ->
child = $(dropzone[0]).children("textarea")
$(child).val $(child).val() + formatLink(response.link) + "\n"
return
error: (temp, errorMessage) ->
errorAlert = $(form).find('.error-alert')
checkIfMsgExists = errorAlert.children().length
if checkIfMsgExists is 0
errorAlert.append divAlert
$(".div-dropzone-alert").append btnAlert + errorMessage
return
sending: ->
form_dropzone.find(".div-dropzone-spinner").css
"opacity": 0.7
"display": "inherit"
return
complete: ->
$(".dz-preview").remove()
$(".markdown-area").trigger "input"
$(".div-dropzone-spinner").css
"opacity": 0
"display": "none"
return
)
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
renderReferencedUsers data.references.users
formatLink = (link) ->
text = "[#{link.alt}](#{link.url})"
text = "!#{text}" if link.is_image
text
handlePaste = (event) ->
pasteEvent = event.originalEvent
if pasteEvent.clipboardData and pasteEvent.clipboardData.items
image = isImage(pasteEvent)
if image
event.preventDefault()
filename = getFilename(pasteEvent) or "image.png"
text = "{{" + filename + "}}"
pasteText(text)
uploadFile image.getAsFile(), filename
isImage = (data) ->
i = 0
while i < data.clipboardData.items.length
item = data.clipboardData.items[i]
if item.type.indexOf("image") isnt -1
return item
i++
return false
pasteText = (text) ->
caretStart = $(child)[0].selectionStart
caretEnd = $(child)[0].selectionEnd
textEnd = $(child).val().length
beforeSelection = $(child).val().substring 0, caretStart
afterSelection = $(child).val().substring caretEnd, textEnd
$(child).val beforeSelection + text + afterSelection
form_textarea.trigger "input"
getFilename = (e) ->
if window.clipboardData and window.clipboardData.getData
value = window.clipboardData.getData("Text")
else if e.clipboardData and e.clipboardData.getData
value = e.clipboardData.getData("text/plain")
value = value.split("\r")
value.first()
uploadFile = (item, filename) ->
formData = new FormData()
formData.append "file", item, filename
$.ajax
url: project_uploads_path
type: "POST"
data: formData
dataType: "json"
processData: false
contentType: false
headers:
"X-CSRF-Token": $("meta[name=\"csrf-token\"]").attr("content")
beforeSend: ->
showSpinner()
closeAlertMessage()
success: (e, textStatus, response) ->
insertToTextArea(filename, formatLink(response.responseJSON.link))
error: (response) ->
showError(response.responseJSON.message)
complete: ->
closeSpinner()
insertToTextArea = (filename, url) ->
$(child).val (index, val) ->
val.replace("{{" + filename + "}}", url + "\n")
appendToTextArea = (url) ->
$(child).val (index, val) ->
val + url + "\n"
showSpinner = (e) ->
form.find(".div-dropzone-spinner").css
"opacity": 0.7
"display": "inherit"
closeSpinner = ->
form.find(".div-dropzone-spinner").css
"opacity": 0
"display": "none"
showError = (message) ->
errorAlert = $(form).find('.error-alert')
checkIfMsgExists = errorAlert.children().length
if checkIfMsgExists is 0
errorAlert.append divAlert
$(".div-dropzone-alert").append btnAlert + message
closeAlertMessage = ->
form.find(".div-dropzone-alert").alert "close"
form.find(".markdown-selector").click (e) ->
e.preventDefault()
$(@).closest('.gfm-form').find('.div-dropzone').click()
return
formatLink: (link) ->
text = "[#{link.alt}](#{link.url})"
text = "!#{text}" if link.is_image
text