281 lines
8.7 KiB
CoffeeScript
281 lines
8.7 KiB
CoffeeScript
class @DropzoneInput
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constructor: (form) ->
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Dropzone.autoDiscover = false
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alertClass = "alert alert-danger alert-dismissable div-dropzone-alert"
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alertAttr = "class=\"close\" data-dismiss=\"alert\"" + "aria-hidden=\"true\""
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divHover = "<div class=\"div-dropzone-hover\"></div>"
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divSpinner = "<div class=\"div-dropzone-spinner\"></div>"
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divAlert = "<div class=\"" + alertClass + "\"></div>"
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iconPaperclip = "<i class=\"fa fa-paperclip div-dropzone-icon\"></i>"
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iconSpinner = "<i class=\"fa fa-spinner fa-spin div-dropzone-icon\"></i>"
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uploadProgress = $("<div class=\"div-dropzone-progress\"></div>")
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btnAlert = "<button type=\"button\"" + alertAttr + ">×</button>"
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project_uploads_path = window.project_uploads_path or null
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markdown_preview_path = window.markdown_preview_path or null
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max_file_size = gon.max_file_size or 10
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form_textarea = $(form).find("textarea.markdown-area")
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form_textarea.wrap "<div class=\"div-dropzone\"></div>"
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form_textarea.on 'paste', (event) =>
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handlePaste(event)
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form_textarea.on "input", ->
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hideReferencedUsers()
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form_textarea.on "blur", ->
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renderMarkdown()
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form_dropzone = $(form).find('.div-dropzone')
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form_dropzone.parent().addClass "div-dropzone-wrapper"
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form_dropzone.append divHover
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form_dropzone.find(".div-dropzone-hover").append iconPaperclip
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form_dropzone.append divSpinner
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form_dropzone.find(".div-dropzone-spinner").append iconSpinner
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form_dropzone.find(".div-dropzone-spinner").append uploadProgress
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form_dropzone.find(".div-dropzone-spinner").css
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"opacity": 0
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"display": "none"
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# Preview button
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$(document).off "click", ".js-md-preview-button"
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$(document).on "click", ".js-md-preview-button", (e) ->
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###
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Shows the Markdown preview.
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Lets the server render GFM into Html and displays it.
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###
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e.preventDefault()
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form = $(this).closest("form")
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# toggle tabs
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form.find(".js-md-write-button").parent().removeClass "active"
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form.find(".js-md-preview-button").parent().addClass "active"
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# toggle content
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form.find(".md-write-holder").hide()
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form.find(".md-preview-holder").show()
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renderMarkdown()
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# Write button
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$(document).off "click", ".js-md-write-button"
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$(document).on "click", ".js-md-write-button", (e) ->
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###
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Shows the Markdown textarea.
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###
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e.preventDefault()
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form = $(this).closest("form")
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# toggle tabs
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form.find(".js-md-write-button").parent().addClass "active"
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form.find(".js-md-preview-button").parent().removeClass "active"
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# toggle content
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form.find(".md-write-holder").show()
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form.find(".md-preview-holder").hide()
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dropzone = form_dropzone.dropzone(
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url: project_uploads_path
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dictDefaultMessage: ""
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clickable: true
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paramName: "file"
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maxFilesize: max_file_size
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uploadMultiple: false
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headers:
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"X-CSRF-Token": $("meta[name=\"csrf-token\"]").attr("content")
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previewContainer: false
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processing: ->
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$(".div-dropzone-alert").alert "close"
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dragover: ->
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form_textarea.addClass "div-dropzone-focus"
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form.find(".div-dropzone-hover").css "opacity", 0.7
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return
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dragleave: ->
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form_textarea.removeClass "div-dropzone-focus"
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form.find(".div-dropzone-hover").css "opacity", 0
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return
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drop: ->
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form_textarea.removeClass "div-dropzone-focus"
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form.find(".div-dropzone-hover").css "opacity", 0
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form_textarea.focus()
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return
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success: (header, response) ->
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child = $(dropzone[0]).children("textarea")
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$(child).val $(child).val() + formatLink(response.link) + "\n"
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return
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error: (temp, errorMessage) ->
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errorAlert = $(form).find('.error-alert')
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checkIfMsgExists = errorAlert.children().length
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if checkIfMsgExists is 0
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errorAlert.append divAlert
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$(".div-dropzone-alert").append btnAlert + errorMessage
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return
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totaluploadprogress: (totalUploadProgress) ->
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uploadProgress.text Math.round(totalUploadProgress) + "%"
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return
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sending: ->
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form_dropzone.find(".div-dropzone-spinner").css
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"opacity": 0.7
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"display": "inherit"
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return
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queuecomplete: ->
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uploadProgress.text ""
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$(".dz-preview").remove()
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$(".markdown-area").trigger "input"
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$(".div-dropzone-spinner").css
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"opacity": 0
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"display": "none"
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return
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)
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child = $(dropzone[0]).children("textarea")
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hideReferencedUsers = ->
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referencedUsers = form.find(".referenced-users")
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referencedUsers.hide()
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renderReferencedUsers = (users) ->
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referencedUsers = form.find(".referenced-users")
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if referencedUsers.length
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if users.length >= 10
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referencedUsers.show()
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referencedUsers.find(".js-referenced-users-count").text users.length
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else
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referencedUsers.hide()
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renderMarkdown = ->
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preview = form.find(".js-md-preview")
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mdText = form.find(".markdown-area").val()
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if mdText.trim().length is 0
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preview.text "Nothing to preview."
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hideReferencedUsers()
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else
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preview.text "Loading..."
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$.ajax(
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type: "POST",
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url: markdown_preview_path,
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data: {
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text: mdText
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},
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dataType: "json"
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).success (data) ->
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preview.html data.body
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preview.syntaxHighlight()
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renderReferencedUsers data.references.users
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formatLink = (link) ->
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text = "[#{link.alt}](#{link.url})"
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text = "!#{text}" if link.is_image
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text
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handlePaste = (event) ->
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pasteEvent = event.originalEvent
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if pasteEvent.clipboardData and pasteEvent.clipboardData.items
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image = isImage(pasteEvent)
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if image
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event.preventDefault()
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filename = getFilename(pasteEvent) or "image.png"
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text = "{{" + filename + "}}"
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pasteText(text)
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uploadFile image.getAsFile(), filename
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isImage = (data) ->
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i = 0
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while i < data.clipboardData.items.length
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item = data.clipboardData.items[i]
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if item.type.indexOf("image") isnt -1
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return item
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i++
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return false
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pasteText = (text) ->
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caretStart = $(child)[0].selectionStart
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caretEnd = $(child)[0].selectionEnd
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textEnd = $(child).val().length
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beforeSelection = $(child).val().substring 0, caretStart
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afterSelection = $(child).val().substring caretEnd, textEnd
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$(child).val beforeSelection + text + afterSelection
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form_textarea.trigger "input"
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getFilename = (e) ->
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if window.clipboardData and window.clipboardData.getData
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value = window.clipboardData.getData("Text")
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else if e.clipboardData and e.clipboardData.getData
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value = e.clipboardData.getData("text/plain")
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value = value.split("\r")
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value.first()
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uploadFile = (item, filename) ->
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formData = new FormData()
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formData.append "file", item, filename
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$.ajax
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url: project_uploads_path
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type: "POST"
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data: formData
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dataType: "json"
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processData: false
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contentType: false
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headers:
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"X-CSRF-Token": $("meta[name=\"csrf-token\"]").attr("content")
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beforeSend: ->
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showSpinner()
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closeAlertMessage()
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success: (e, textStatus, response) ->
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insertToTextArea(filename, formatLink(response.responseJSON.link))
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error: (response) ->
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showError(response.responseJSON.message)
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complete: ->
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closeSpinner()
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insertToTextArea = (filename, url) ->
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$(child).val (index, val) ->
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val.replace("{{" + filename + "}}", url + "\n")
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appendToTextArea = (url) ->
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$(child).val (index, val) ->
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val + url + "\n"
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showSpinner = (e) ->
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form.find(".div-dropzone-spinner").css
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"opacity": 0.7
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"display": "inherit"
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closeSpinner = ->
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form.find(".div-dropzone-spinner").css
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"opacity": 0
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"display": "none"
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showError = (message) ->
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errorAlert = $(form).find('.error-alert')
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checkIfMsgExists = errorAlert.children().length
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if checkIfMsgExists is 0
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errorAlert.append divAlert
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$(".div-dropzone-alert").append btnAlert + message
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closeAlertMessage = ->
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form.find(".div-dropzone-alert").alert "close"
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form.find(".markdown-selector").click (e) ->
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e.preventDefault()
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$(@).closest('.gfm-form').find('.div-dropzone').click()
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return
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formatLink: (link) ->
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text = "[#{link.alt}](#{link.url})"
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text = "!#{text}" if link.is_image
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text
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