Improved performance of tab highlighting.

app/assets/javascripts/app/controllers/ticket_zoom.coffee

@@ -47,7 +47,7 @@ class App.TicketZoom extends App.Controller
       (data) =>
 
         # check if current ticket has changed
-        if data.id.toString() is @ticket_id.toString()
+        return if data.id.toString() isnt @ticket_id.toString()
 
         # check if we already have the request queued
         #@log 'notice', 'TRY', @ticket_id, new Date(data.updated_at), new Date(@ticketUpdatedAtLastCall)
@@ -143,14 +143,13 @@ class App.TicketZoom extends App.Controller
     @positionPageHeaderStop()
 
   fetch: (ticket_id, force) ->
-
     return if !@Session.get()
 
     # get data
     @ajax(
-      id:    'ticket_zoom_' + ticket_id
+      id:    "ticket_zoom_#{ticket_id}"
       type:  'GET'
-      url:   @apiPath + '/ticket_full/' + ticket_id
+      url:   "#{@apiPath}/ticket_full/#{ticket_id}"
       processData: true
       success: (data, status, xhr) =>
 
@@ -178,6 +177,7 @@ class App.TicketZoom extends App.Controller
         # scroll to end of page
         if force
           @scrollToBottom()
+          @positionPageHeaderUpdate()
 
       error: (xhr) =>
         statusText = xhr.statusText

app/assets/javascripts/app/controllers/ticket_zoom/article_new.coffee

@@ -162,7 +162,7 @@ class App.TicketZoomArticleNew extends App.Controller
     @$('[data-name="body"]').ce({
       mode:      'richtext'
       multiline: true
-      maxlength: 5000
+      maxlength: 40000
     })
 
     html5Upload.initialize(

app/assets/javascripts/app/controllers/ticket_zoom/article_view.coffee

@@ -48,12 +48,8 @@ class ArticleViewItem extends App.Controller
         # set highlighter
         @setHighlighter()
 
-        if !@shown
-
         # set see more
         @setSeeMore()
-
-          @shown = true
     )
 
     # subscribe to changes
@@ -64,7 +60,11 @@ class ArticleViewItem extends App.Controller
 
   setHighlighter: =>
     return if !@el.is(':visible')
+    # use delay do no ui blocking
+    #@highligher.loadHighlights(@ticket_article_id)
+    d = =>
       @highligher.loadHighlights(@ticket_article_id)
+    @delay(d, 800)
 
   hasChanged: (article) =>
 
@@ -127,6 +127,7 @@ class ArticleViewItem extends App.Controller
     )
 
     # set see more
+    @shown = false
     @setSeeMore()
 
     # set highlighter
@@ -134,6 +135,10 @@ class ArticleViewItem extends App.Controller
 
   # set see more options
   setSeeMore: =>
+    return if !@el.is(':visible')
+    return if @shown
+    @shown = true
+
     maxHeight               = 560
     bubbleContent           = @textBubbleContent
     bubbleOvervlowContainer = @textBubbleOverflowContainer
@@ -183,10 +188,10 @@ class ArticleViewItem extends App.Controller
     # allow double click select
     # by adding a delay to the toggle
 
-    if @lastClick and +new Date - @lastClick < 150
+    if @lastClick and +new Date - @lastClick < 100
       clearTimeout(@toggleMetaTimeout)
     else
-      @toggleMetaTimeout = setTimeout(@toggle_meta, 150, e)
+      @toggleMetaTimeout = setTimeout(@toggle_meta, 100, e)
       @lastClick = +new Date
 
   toggle_meta: (e) =>

app/assets/javascripts/app/controllers/ticket_zoom/higlighter.coffee

@@ -38,6 +38,8 @@ class App.TicketZoomHighlighter extends App.Controller
 
     return if !@isRole('Agent')
 
+    @currentHighlights = {}
+
     rangy.init()
 
     @highlighter = rangy.createHighlighter(document, 'TextRange')
@@ -86,6 +88,8 @@ class App.TicketZoomHighlighter extends App.Controller
     articles = @el.closest('.content').find('.textBubble-content')
     articles.off('mouseup', @onMouseUp)
     articles.on('mouseup', @onMouseUp) #future: touchend
+    articles.off('mousedown', @onMouseDown)
+    articles.on('mousedown', @onMouseDown) #future: touchend
 
   # for testing purposes the highlights get stored in localStorage
   loadHighlights: (ticket_article_id) ->
@@ -95,7 +99,9 @@ class App.TicketZoomHighlighter extends App.Controller
     return if !article.preferences.highlight
     return if _.isEmpty(article.preferences.highlight)
     return if article.preferences.highlight is 'type:TextRange'
-    @highlighter.deserialize(article.preferences['highlight'])
+    return if @currentHighlights[ticket_article_id] is article.preferences.highlight
+    @currentHighlights[ticket_article_id] = article.preferences.highlight
+    @highlighter.deserialize(article.preferences.highlight)
 
   # the serialization creates one string for the entiery ticket
   # containing the offsets and the highlight classes
@@ -136,6 +142,8 @@ class App.TicketZoomHighlighter extends App.Controller
       articles.attr('data-highlightcolor', @colors[@activeColorIndex].name)
 
   toggleHighlight: (e) =>
+    @mouseDownInside = false
+    @mouseUpInside = false
 
     if @isActive
       $(e.currentTarget).removeClass('active')
@@ -168,19 +176,31 @@ class App.TicketZoomHighlighter extends App.Controller
     # check if selection exists - highlight it or remove highlight
     @toggleHighlightAtSelection(@content, @article_id)
 
-  onMouseUp: (e) =>
-    @updateSelectedArticle(e)
+  onMouseDown: (e) =>
+    if @updateSelectedArticle(e)
+      @mouseDownInside = true
+    else
+      @mouseDownInside = false
 
-    console.log('onMouseUp', @isActive, @content, @article_id)
-    if @isActive
-      @toggleHighlightAtSelection(@content, @article_id) # @articles.selector
+  onMouseUp: (e) =>
+    if @updateSelectedArticle(e)
+      @mouseUpInside = true
+    else
+      @mouseUpInside = false
+
+    return if !@mouseDownInside
+    return if !@mouseUpInside
+    return if !@isActive
+    @toggleHighlightAtSelection(@content, @article_id)
 
   updateSelectedArticle: (e) =>
     @content    = $(e.currentTarget).closest('.textBubble-content')
     @article_id = @content.data('id')
-    if !@article_id
+    return true if @article_id
     @content    = $(e.currentTarget)
     @article_id = @content.data('id')
+    return true if @article_id
+    false
 
   #
   # toggle Highlight