Merge pull request #7032 from erbunao/markdown_clipboard

Implements clipboard feature for markdown areas.

Merge pull request #7032 from erbunao/markdown_clipboard
Implements clipboard feature for markdown areas.
Dmitriy Zaporozhets
2 parents 260c877c 22732346
Showing 9 changed files with 127 additions and 23 deletions Show diff stats
app/assets/javascripts/markdown_area.js.coffee
app/assets/stylesheets/generic/markdown_area.scss
app/controllers/projects_controller.rb
app/views/projects/issues/_form.html.haml
app/views/projects/merge_requests/_form.html.haml
app/views/projects/merge_requests/_new_submit.html.haml
app/views/projects/milestones/_form.html.haml
app/views/projects/notes/_form.html.haml
app/views/projects/wikis/_form.html.haml
-formatLink = (str) ->
-  "![" + str.alt + "](" + str.url + ")"
-
 $(document).ready ->
   alertClass = "alert alert-danger alert-dismissable div-dropzone-alert"
   alertAttr = "class=\"close\" data-dismiss=\"alert\"" + "aria-hidden=\"true\""
@@ -13,15 +10,12 @@ $(document).ready -&gt;
   project_image_path_upload = window.project_image_path_upload or null
   $("textarea.markdown-area").wrap "<div class=\"div-dropzone\"></div>"  
-  
   $(".div-dropzone").parent().addClass "div-dropzone-wrapper"
-
   $(".div-dropzone").append divHover
   $(".div-dropzone-hover").append iconPicture
   $(".div-dropzone").append divSpinner 
   $(".div-dropzone-spinner").append iconSpinner
-
   dropzone = $(".div-dropzone").dropzone(
     url: project_image_path_upload
     dictDefaultMessage: ""
@@ -36,7 +30,7 @@ $(document).ready -&gt;
     previewContainer: false
     processing: ->
-      $(".div-dropzone-alert").alert "close"
+      closeAlertMessage()
     dragover: ->
       $(".div-dropzone > textarea").addClass "div-dropzone-focus"
@@ -55,31 +49,127 @@ $(document).ready -&gt;
       return
     success: (header, response) ->
-      child = $(dropzone[0]).children("textarea")
-      $(child).val $(child).val() + formatLink(response.link) + "\n"
+      appendToTextArea(formatLink(response.link))
       return
     error: (temp, errorMessage) ->
-      checkIfMsgExists = $(".error-alert").children().length
-      if checkIfMsgExists is 0
-        $(".error-alert").append divAlert
-        $(".div-dropzone-alert").append btnAlert + errorMessage
+      showError(errorMessage)
       return
     sending: ->
-      $(".div-dropzone-spinner").css "opacity", 0.7
+      showSpinner()
       return
     complete: ->
       $(".dz-preview").remove()
       $(".markdown-area").trigger "input"
-      $(".div-dropzone-spinner").css "opacity", 0
+      closeSpinner()
       return
   )
+  child = $(dropzone[0]).children("textarea")
+
+  formatLink = (str) ->
+    "![" + str.alt + "](" + str.url + ")"
+
+  handlePaste = (e) ->
+    e.preventDefault()
+    my_event = e.originalEvent
+    
+    if my_event.clipboardData and my_event.clipboardData.items
+      i = 0
+      while i < my_event.clipboardData.items.length
+        item = my_event.clipboardData.items[i]
+        processItem(my_event, item)
+        i++
+
+  processItem = (e, item) ->
+    if isImage(item)
+      filename = getFilename(e) or "image.png"
+      text = "{{" + filename + "}}"
+      pasteText(text)
+      uploadFile item.getAsFile(), filename
+    else if e.clipboardData.items.length == 1
+      text = e.clipboardData.getData("text/plain")
+      pasteText(text)
+
+  isImage = (item) ->
+    if item
+      item.type.indexOf("image") isnt -1
+
+  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
+    $(".markdown-area").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) ->
+    $(".div-dropzone-spinner").css "opacity", 0.7
+
+  closeSpinner = ->
+    $(".div-dropzone-spinner").css "opacity", 0
+
+  showError = (message) ->
+    checkIfMsgExists = $(".error-alert").children().length
+    if checkIfMsgExists is 0
+      $(".error-alert").append divAlert
+      $(".div-dropzone-alert").append btnAlert + message
+
+  closeAlertMessage = ->
+    $(".div-dropzone-alert").alert "close"
+
   $(".markdown-selector").click (e) ->
     e.preventDefault()
     $(".div-dropzone").click()
     return
+  $(".div-dropzone").on "paste", handlePaste
+
   return
 \ No newline at end of file
@@ -43,6 +43,11 @@
       display: none;
     }
   }
+  
+  .hint {
+    padding: 0;
+    margin: 0;
+  }
 }
 .div-dropzone-alert {
@@ -11,6 +11,8 @@ class ProjectsController &lt; ApplicationController
   layout 'navless', only: [:new, :create, :fork]
   before_filter :set_title, only: [:new, :create]
+  rescue_from CarrierWave::IntegrityError, with: :invalid_file
+
   def new
     @project = Project.new
   end
@@ -185,6 +187,10 @@ class ProjectsController &lt; ApplicationController
     %w(png jpg jpeg gif)
   end
+  def invalid_file(error)
+    render json: { message: error.message }, status: :internal_server_error
+  end
+
   def set_title
     @title = 'New Project'
   end
@@ -23,7 +23,7 @@
         = f.text_area :description, class: 'form-control js-gfm-input markdown-area', rows: 14
         .col-sm-12.hint
           .pull-left Issues are parsed with #{link_to "GitLab Flavored Markdown", help_markdown_path, target: '_blank'}.
-          .pull-right Attach images (JPG, PNG, GIF) by dragging & dropping or #{link_to "selecting them", '#', class: 'markdown-selector' }.
+          .pull-right Attach images (JPG, PNG, GIF) by dragging & dropping, #{link_to "selecting them", '#', class: 'markdown-selector' } or pasting from the clipboard.
         .clearfix
         .error-alert
     %hr
@@ -25,7 +25,8 @@
         = f.text_area :description, class: "form-control js-gfm-input markdown-area", rows: 14
         .col-sm-12.hint
           .pull-left Description is parsed with #{link_to "GitLab Flavored Markdown", help_markdown_path, target: '_blank'}.
-          .pull-right Attach images (JPG, PNG, GIF) by dragging & dropping or #{link_to "selecting them", '#', class: 'markdown-selector' }.
+          .pull-right Attach images (JPG, PNG, GIF) by dragging & dropping, #{link_to "selecting them", '#', class: 'markdown-selector' } or pasting from the clipboard.
+
         .clearfix
         .error-alert
     %hr
@@ -26,7 +26,8 @@
         = f.text_area :description, class: "form-control js-gfm-input markdown-area", rows: 10
         .col-sm-12.hint
           .pull-left Description is parsed with #{link_to "GitLab Flavored Markdown", help_markdown_path, target: '_blank'}.
-          .pull-right Attach images (JPG, PNG, GIF) by dragging & dropping or #{link_to "selecting them", '#', class: 'markdown-selector' }.
+          .pull-right Attach images (JPG, PNG, GIF) by dragging & dropping, #{link_to "selecting them", '#', class: 'markdown-selector' } or pasting from the clipboard.
+
         .clearfix
         .error-alert
       .form-group
@@ -24,7 +24,7 @@
           = f.text_area :description, maxlength: 2000, class: "form-control markdown-area", rows: 10
           .hint
             .pull-left Milestones are parsed with #{link_to "GitLab Flavored Markdown", help_markdown_path, target: '_blank'}.
-            .pull-left Attach images (JPG, PNG, GIF) by dragging & dropping or #{link_to "selecting them", '#', class: 'markdown-selector' }.
+            .pull-left Attach images (JPG, PNG, GIF) by dragging & dropping, #{link_to "selecting them", '#', class: 'markdown-selector' } or pasting from the clipboard.
           .clearfix
           .error-alert
     .col-md-6
@@ -16,10 +16,10 @@
     .note-write-holder
       = f.text_area :note, size: 255, class: 'note_text js-note-text js-gfm-input markdown-area'
-      .light.clearfix
+      .light.clearfix.hint
         .pull-left Comments are parsed with #{link_to "GitLab Flavored Markdown", help_markdown_path, target: '_blank'}.
-        .pull-right Attach images (JPG, PNG, GIF) by dragging &amp; dropping or #{link_to "selecting them", '#', class: 'markdown-selector' }.
-
+        .pull-right Attach images (JPG, PNG, GIF) by dragging & dropping, #{link_to "selecting them", '#', class: 'markdown-selector' } or pasting from the clipboard.      
+      .error-alert
     .note-preview-holder.hide
       .js-note-preview
@@ -25,7 +25,8 @@
       = f.text_area :content, class: 'form-control js-gfm-input markdown-area', rows: 18
       .col-sm-12.hint
         .pull-left Wiki content is parsed with #{link_to "GitLab Flavored Markdown", help_markdown_path, target: '_blank'}.
-        .pull-right Attach images (JPG, PNG, GIF) by dragging & dropping or #{link_to "selecting them", '#', class: 'markdown-selector' }.
+        .pull-right Attach images (JPG, PNG, GIF) by dragging & dropping, #{link_to "selecting them", '#', class: 'markdown-selector' } or pasting from the clipboard.
+
       .clearfix
       .error-alert
   .form-group
1	-formatLink = (str) ->
2	- "![" + str.alt + "](" + str.url + ")"
3	-
4	$(document).ready ->	1	$(document).ready ->
5	alertClass = "alert alert-danger alert-dismissable div-dropzone-alert"	2	alertClass = "alert alert-danger alert-dismissable div-dropzone-alert"
6	alertAttr = "class=\"close\" data-dismiss=\"alert\"" + "aria-hidden=\"true\""	3	alertAttr = "class=\"close\" data-dismiss=\"alert\"" + "aria-hidden=\"true\""
	@@ -13,15 +10,12 @@ $(document).ready ->		@@ -13,15 +10,12 @@ $(document).ready ->
13	project_image_path_upload = window.project_image_path_upload or null	10	project_image_path_upload = window.project_image_path_upload or null
14		11
15	$("textarea.markdown-area").wrap "<div class=\"div-dropzone\"></div>"	12	$("textarea.markdown-area").wrap "<div class=\"div-dropzone\"></div>"
16	-
17	$(".div-dropzone").parent().addClass "div-dropzone-wrapper"	13	$(".div-dropzone").parent().addClass "div-dropzone-wrapper"
18	-
19	$(".div-dropzone").append divHover	14	$(".div-dropzone").append divHover
20	$(".div-dropzone-hover").append iconPicture	15	$(".div-dropzone-hover").append iconPicture
21	$(".div-dropzone").append divSpinner	16	$(".div-dropzone").append divSpinner
22	$(".div-dropzone-spinner").append iconSpinner	17	$(".div-dropzone-spinner").append iconSpinner
23		18
24	-
25	dropzone = $(".div-dropzone").dropzone(	19	dropzone = $(".div-dropzone").dropzone(
26	url: project_image_path_upload	20	url: project_image_path_upload
27	dictDefaultMessage: ""	21	dictDefaultMessage: ""
	@@ -36,7 +30,7 @@ $(document).ready ->		@@ -36,7 +30,7 @@ $(document).ready ->
36	previewContainer: false	30	previewContainer: false
37		31
38	processing: ->	32	processing: ->
39	- $(".div-dropzone-alert").alert "close"	33	+ closeAlertMessage()
40		34
41	dragover: ->	35	dragover: ->
42	$(".div-dropzone > textarea").addClass "div-dropzone-focus"	36	$(".div-dropzone > textarea").addClass "div-dropzone-focus"
	@@ -55,31 +49,127 @@ $(document).ready ->		@@ -55,31 +49,127 @@ $(document).ready ->
55	return	49	return
56		50
57	success: (header, response) ->	51	success: (header, response) ->
58	- child = $(dropzone[0]).children("textarea")
59	- $(child).val $(child).val() + formatLink(response.link) + "\n"	52	+ appendToTextArea(formatLink(response.link))
60	return	53	return
61		54
62	error: (temp, errorMessage) ->	55	error: (temp, errorMessage) ->
63	- checkIfMsgExists = $(".error-alert").children().length
64	- if checkIfMsgExists is 0
65	- $(".error-alert").append divAlert
66	- $(".div-dropzone-alert").append btnAlert + errorMessage	56	+ showError(errorMessage)
67	return	57	return
68		58
69	sending: ->	59	sending: ->
70	- $(".div-dropzone-spinner").css "opacity", 0.7	60	+ showSpinner()
71	return	61	return
72		62
73	complete: ->	63	complete: ->
74	$(".dz-preview").remove()	64	$(".dz-preview").remove()
75	$(".markdown-area").trigger "input"	65	$(".markdown-area").trigger "input"
76	- $(".div-dropzone-spinner").css "opacity", 0	66	+ closeSpinner()
77	return	67	return
78	)	68	)
79		69
		70	+ child = $(dropzone[0]).children("textarea")
		71	+
		72	+ formatLink = (str) ->
		73	+ "![" + str.alt + "](" + str.url + ")"
		74	+
		75	+ handlePaste = (e) ->
		76	+ e.preventDefault()
		77	+ my_event = e.originalEvent
		78	+
		79	+ if my_event.clipboardData and my_event.clipboardData.items
		80	+ i = 0
		81	+ while i < my_event.clipboardData.items.length
		82	+ item = my_event.clipboardData.items[i]
		83	+ processItem(my_event, item)
		84	+ i++
		85	+
		86	+ processItem = (e, item) ->
		87	+ if isImage(item)
		88	+ filename = getFilename(e) or "image.png"
		89	+ text = "{{" + filename + "}}"
		90	+ pasteText(text)
		91	+ uploadFile item.getAsFile(), filename
		92	+ else if e.clipboardData.items.length == 1
		93	+ text = e.clipboardData.getData("text/plain")
		94	+ pasteText(text)
		95	+
		96	+ isImage = (item) ->
		97	+ if item
		98	+ item.type.indexOf("image") isnt -1
		99	+
		100	+ pasteText = (text) ->
		101	+ caretStart = $(child)[0].selectionStart
		102	+ caretEnd = $(child)[0].selectionEnd
		103	+ textEnd = $(child).val().length
		104	+
		105	+ beforeSelection = $(child).val().substring 0, caretStart
		106	+ afterSelection = $(child).val().substring caretEnd, textEnd
		107	+ $(child).val beforeSelection + text + afterSelection
		108	+ $(".markdown-area").trigger "input"
		109	+
		110	+ getFilename = (e) ->
		111	+ if window.clipboardData and window.clipboardData.getData
		112	+ value = window.clipboardData.getData("Text")
		113	+ else if e.clipboardData and e.clipboardData.getData
		114	+ value = e.clipboardData.getData("text/plain")
		115	+
		116	+ value = value.split("\r")
		117	+ value.first()
		118	+
		119	+ uploadFile = (item, filename) ->
		120	+ formData = new FormData()
		121	+ formData.append "markdown_img", item, filename
		122	+ $.ajax
		123	+ url: project_image_path_upload
		124	+ type: "POST"
		125	+ data: formData
		126	+ dataType: "json"
		127	+ processData: false
		128	+ contentType: false
		129	+ headers:
		130	+ "X-CSRF-Token": $("meta[name=\"csrf-token\"]").attr("content")
		131	+
		132	+ beforeSend: ->
		133	+ showSpinner()
		134	+ closeAlertMessage()
		135	+
		136	+ success: (e, textStatus, response) ->
		137	+ insertToTextArea(filename, formatLink(response.responseJSON.link))
		138	+
		139	+ error: (response) ->
		140	+ showError(response.responseJSON.message)
		141	+
		142	+ complete: ->
		143	+ closeSpinner()
		144	+
		145	+ insertToTextArea = (filename, url) ->
		146	+ $(child).val (index, val) ->
		147	+ val.replace("{{" + filename + "}}", url + "\n")
		148	+
		149	+ appendToTextArea = (url) ->
		150	+ $(child).val (index, val) ->
		151	+ val + url + "\n"
		152	+
		153	+ showSpinner = (e) ->
		154	+ $(".div-dropzone-spinner").css "opacity", 0.7
		155	+
		156	+ closeSpinner = ->
		157	+ $(".div-dropzone-spinner").css "opacity", 0
		158	+
		159	+ showError = (message) ->
		160	+ checkIfMsgExists = $(".error-alert").children().length
		161	+ if checkIfMsgExists is 0
		162	+ $(".error-alert").append divAlert
		163	+ $(".div-dropzone-alert").append btnAlert + message
		164	+
		165	+ closeAlertMessage = ->
		166	+ $(".div-dropzone-alert").alert "close"
		167	+
80	$(".markdown-selector").click (e) ->	168	$(".markdown-selector").click (e) ->
81	e.preventDefault()	169	e.preventDefault()
82	$(".div-dropzone").click()	170	$(".div-dropzone").click()
83	return	171	return
84		172
		173	+ $(".div-dropzone").on "paste", handlePaste
		174	+
85	return	175	return
86	\ No newline at end of file	176	\ No newline at end of file
	@@ -23,7 +23,7 @@		@@ -23,7 +23,7 @@
23	= f.text_area :description, class: 'form-control js-gfm-input markdown-area', rows: 14	23	= f.text_area :description, class: 'form-control js-gfm-input markdown-area', rows: 14
24	.col-sm-12.hint	24	.col-sm-12.hint
25	.pull-left Issues are parsed with #{link_to "GitLab Flavored Markdown", help_markdown_path, target: '_blank'}.	25	.pull-left Issues are parsed with #{link_to "GitLab Flavored Markdown", help_markdown_path, target: '_blank'}.
26	- .pull-right Attach images (JPG, PNG, GIF) by dragging & dropping or #{link_to "selecting them", '#', class: 'markdown-selector' }.	26	+ .pull-right Attach images (JPG, PNG, GIF) by dragging & dropping, #{link_to "selecting them", '#', class: 'markdown-selector' } or pasting from the clipboard.
27	.clearfix	27	.clearfix
28	.error-alert	28	.error-alert
29	%hr	29	%hr
	@@ -24,7 +24,7 @@		@@ -24,7 +24,7 @@
24	= f.text_area :description, maxlength: 2000, class: "form-control markdown-area", rows: 10	24	= f.text_area :description, maxlength: 2000, class: "form-control markdown-area", rows: 10
25	.hint	25	.hint
26	.pull-left Milestones are parsed with #{link_to "GitLab Flavored Markdown", help_markdown_path, target: '_blank'}.	26	.pull-left Milestones are parsed with #{link_to "GitLab Flavored Markdown", help_markdown_path, target: '_blank'}.
27	- .pull-left Attach images (JPG, PNG, GIF) by dragging & dropping or #{link_to "selecting them", '#', class: 'markdown-selector' }.	27	+ .pull-left Attach images (JPG, PNG, GIF) by dragging & dropping, #{link_to "selecting them", '#', class: 'markdown-selector' } or pasting from the clipboard.
28	.clearfix	28	.clearfix
29	.error-alert	29	.error-alert
30	.col-md-6	30	.col-md-6