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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>"
iconPicture = "<i class=\"fa fa-picture-o div-dropzone-icon\"></i>"
iconSpinner = "<i class=\"fa fa-spinner fa-spin div-dropzone-icon\"></i>"
btnAlert = "<button type=\"button\"" + alertAttr + ">×</button>"
project_image_path_upload = window.project_image_path_upload or null
form_textarea = $(form).find("textarea.markdown-area")
form_textarea.wrap "<div class=\"div-dropzone\"></div>"
form_textarea.bind 'paste', (event) =>
handlePaste(event)
form_dropzone = $(form).find('.div-dropzone')
form_dropzone.parent().addClass "div-dropzone-wrapper"
form_dropzone.append divHover
$(".div-dropzone-hover").append iconPicture
form_dropzone.append divSpinner
$(".div-dropzone-spinner").append iconSpinner
$(".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()
preview = form.find(".js-md-preview")
mdText = form.find(".markdown-area").val()
if mdText.trim().length is 0
preview.text "Nothing to preview."
else
preview.text "Loading..."
$.post($(this).data("url"),
md_text: mdText
).success (previewData) ->
preview.html previewData
# 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_image_path_upload
dictDefaultMessage: ""
clickable: true
paramName: "markdown_img"
maxFilesize: 10
uploadMultiple: false
acceptedFiles: "image/jpg,image/jpeg,image/gif,image/png"
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) ->
checkIfMsgExists = $(".error-alert").children().length
if checkIfMsgExists is 0
$(".error-alert").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")
formatLink = (str) ->
"![" + str.alt + "](" + str.url + ")"
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 "markdown_img", item, filename
$.ajax
url: project_image_path_upload
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) ->
checkIfMsgExists = $(".error-alert").children().length
if checkIfMsgExists is 0
$(".error-alert").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: (str) ->
"![" + str.alt + "](" + str.url + ")"
|
