From d534d43ad01f262f370d487939b0010b8ec207fc Mon Sep 17 00:00:00 2001
From: Martin Edenhofer <me@edenhofer.de>
Date: Sun, 21 Jun 2015 01:31:41 +0200
Subject: [PATCH] Show placeholder if no activity stream is shown.

---
 .../_dashboard/activity_stream.js.coffee      |   4 +
 .../_dashboard/first_steps_clues.js.coffee    | 317 ++++++++++++++++++
 .../app/controllers/dashboard.js.coffee       |   6 +
 3 files changed, 327 insertions(+)
 create mode 100644 app/assets/javascripts/app/controllers/_dashboard/first_steps_clues.js.coffee

diff --git a/app/assets/javascripts/app/controllers/_dashboard/activity_stream.js.coffee b/app/assets/javascripts/app/controllers/_dashboard/activity_stream.js.coffee
index 529d0c6be..268a13cae 100644
--- a/app/assets/javascripts/app/controllers/_dashboard/activity_stream.js.coffee
+++ b/app/assets/javascripts/app/controllers/_dashboard/activity_stream.js.coffee
@@ -38,6 +38,10 @@ class App.DashboardActivityStream extends App.Controller
     @render(items)
 
   render: (items) ->
+    if _.isEmpty(items)
+      @$('.activity-description').removeClass('hidden')
+      return
+
     items = @prepareForObjectList(items)
 
     html = $('<div></div>')
diff --git a/app/assets/javascripts/app/controllers/_dashboard/first_steps_clues.js.coffee b/app/assets/javascripts/app/controllers/_dashboard/first_steps_clues.js.coffee
new file mode 100644
index 000000000..89200ec9f
--- /dev/null
+++ b/app/assets/javascripts/app/controllers/_dashboard/first_steps_clues.js.coffee
@@ -0,0 +1,317 @@
+class App.FirstStepsClues extends App.Controller
+  clues: [
+    {
+      container: '.search-holder'
+      headline: 'Suche'
+      text: 'Um alles zu finden nutze den <kbd>*</kbd>-Platzhalter'
+    }
+    {
+      container: '.user-menu'
+      headline: 'Erstellen'
+      text: 'Hier kannst du Tickets, Kunden und Organisationen anlegen.'
+      actions: [
+        'click .add .js-action',
+        'hover .add'
+      ]
+    }
+    {
+      container: '.user-menu'
+      headline: 'Persönliches Menü'
+      text: 'Hier findest du den Logout, den Weg zu deinen Einstellungen und deinen Verlauf.'
+      actions: [
+        'click .user .js-action',
+        'hover .user'
+      ]
+    }
+    {
+      container: '.main-navigation .overviews'
+      headline: 'Übersichten'
+      text: 'Hier findest du eine Liste aller Tickets.'
+      actions: [
+        'hover'
+      ]
+    }
+    {
+      container: '.main-navigation .dashboard'
+      headline: 'Dashboard'
+      text: 'Hier siehst du auf einem Blick ob sich alle Agenten an die Spielregeln halten.'
+      actions: [
+        'hover'
+      ]
+    }
+  ]
+
+  elements:
+    '.js-positionOrigin': 'modalWindow'
+    '.js-backdrop':       'backdrop'
+
+  events:
+    'click': 'stopPropagation'
+    'click .js-next': 'next'
+    'click .js-previous': 'previous'
+    'click .js-close': 'close'
+
+  constructor: ->
+    super
+
+    ###
+
+    options
+      clues: list of clues
+      onComplete: a callback for when the user is done
+
+    ###
+    @el = $('body')
+    @options.onComplete = -> null
+    @position = 0
+    @render()
+
+  stopPropagation: (event) ->
+    event.stopPropagation()
+
+  next: (event) =>
+    event.stopPropagation()
+    @navigate 1
+
+  previous: (event) =>
+    event.stopPropagation()
+    @navigate -1
+
+  close: =>
+    @cleanUp()
+    @options.onComplete()
+    @remove()
+
+  remove: ->
+    @$('.modal').remove()
+
+  navigate: (direction) ->
+    @cleanUp =>
+      @position += direction
+
+      if @position < @clues.length
+        @showClue()
+      else
+        @options.onComplete()
+        @remove()
+
+  cleanUp: (callback) ->
+    @hideWindow =>
+      clue = @clues[@position]
+      container = $(clue.container)
+      container.removeClass('selected-clue')
+
+      # undo click perform by doing it again
+      if clue.actions
+        @perform clue.actions, container
+
+      callback()
+
+  render: =>
+    html = App.view('layout_ref/clues')
+    console.log('HH', html)
+    @el.append(html)
+    #@modalWindow = $('.js-positionOrigin')
+    #@backdrop = $('.js-backdrop')
+    @backdrop.velocity
+      properties:
+        opacity: [1, 0]
+      options:
+        duration: 300
+        complete: @showClue
+
+  showClue: =>
+    clue = @clues[@position]
+    container = $(clue.container)
+    container.addClass('selected-clue')
+    console.log('showClue', clue, clue.container)
+    if clue.actions
+      @perform clue.actions, container
+
+    # calculate bounding box after actions
+    # to take toggled child nodes into account
+    boundingBox = @getVisibleBoundingBox(container.get(0))
+
+    center =
+      x: boundingBox.left + boundingBox.width/2
+      y: boundingBox.top + boundingBox.height/2
+
+    @modalWindow.html App.view('layout_ref/clue_content')
+      headline: clue.headline
+      text: clue.text
+      position: @position
+      max: @clues.length
+
+    @placeWindow(boundingBox)
+
+    @backdrop.velocity
+      properties:
+        translateX: center.x
+        translateY: center.y
+        translateZ: 0
+      options:
+        duration: 300
+        complete: @showWindow
+
+  showWindow: =>
+    @modalWindow.velocity
+      properties: 
+        scale: [1, 0.2]
+        opacity: [1, 0]
+      options:
+        duration: 300
+        easing: [0.34,1.61,0.7,1]
+
+  hideWindow: (callback) =>
+    @modalWindow.velocity
+      properties: 
+        scale: [0.2, 1]
+        opacity: 0
+      options:
+        duration: 200
+        complete: callback
+
+
+  placeWindow: (target) ->
+    # reset scale in order to get correct measurements
+    $.Velocity.hook(@modalWindow, 'scale', 1)
+
+    modal = @modalWindow.get(0).getBoundingClientRect()
+    position = ''
+    left = 0
+    top = 0
+    maxWidth = $(window).width()
+    maxHeight = $(window).height()
+
+    # try to place it parallel to the larger side
+    if target.height > target.width
+      # try to place it aside
+      # prefer right
+      if target.right + modal.width <= maxWidth
+        left = target.right
+        position = 'right'
+      else 
+        # place left
+        left = target.left - modal.width
+        position = 'left'
+
+      if position
+        top = target.top + target.height/2 - modal.height/2
+    else if target.height <= target.width or !position
+      # try to place it above or below
+      # prefer above
+      if target.top - modal.height >= 0
+        top = target.top - modal.height
+        position = 'above'
+      else
+        top = target.bottom
+        position = 'below'
+
+      if position
+        left = target.left + target.width/2 - modal.width/2
+
+    # keep it inside the window
+    # horizontal
+    if left < 0
+      moveArrow = modal.width/2 + left
+      left = 0
+    else if left + modal.width > maxWidth
+      moveArrow = modal.width/2 + maxWidth - (left + modal.width)
+      left = maxWidth - modal.width
+
+    if top < 0
+      moveArrow = modal.height/2 + height
+      top = 0
+    else if top + modal.height > maxHeight
+      moveArrow = modal.height/2 + maxHeight - (top + modal.height)
+      top = maxHeight - modal.height
+
+    transformOrigin = @getTransformOrigin(modal, position)
+
+    if moveArrow
+      parameter = if position is 'above' or position is 'below' then 'left' else 'top'
+      # move arrow
+      @modalWindow.find('.js-arrow').css(parameter, moveArrow)
+
+      # adjust transform origin
+      if position is 'above' or position is 'below'
+        transformOrigin.x = moveArrow
+      else
+        transformOrigin.y = moveArrow
+
+    # place window
+    @modalWindow
+      .attr 'data-position', position
+      .css
+        left: left
+        top: top
+        transformOrigin: "#{transformOrigin.x}px #{transformOrigin.y}px"
+
+  getTransformOrigin: (modal, position) ->
+    positionDictionary =
+      above:
+        x: modal.width/2
+        y: modal.height
+      below:
+        x: modal.width/2
+        y: 0
+      left:
+        x: modal.width + @transformOriginPadding
+        y: modal.height/2
+      right:
+        x: -@transformOriginPadding
+        y: modal.height/2
+
+    return positionDictionary[position]
+
+  getVisibleBoundingBox: (el) ->
+    ###
+
+      getBoundingClientRect doesn't take 
+      absolute-positioned child nodes into account
+
+    ###
+    children = el.querySelectorAll('*')
+    bb = el.getBoundingClientRect()
+    dimensions =
+      left: bb.left,
+      right: bb.right,
+      top: bb.top,
+      bottom: bb.bottom
+
+    for child in children
+
+      continue if getComputedStyle(child).position is not 'absolute'
+
+      bb = child.getBoundingClientRect()
+
+      continue if bb.width is 0 or bb.height is 0
+
+      if bb.left < dimensions.left
+        dimensions.left = bb.left
+      if bb.top < dimensions.top
+        dimensions.top = bb.top
+      if bb.right > dimensions.right
+        dimensions.right = bb.right
+      if bb.bottom > dimensions.bottom
+        dimensions.bottom = bb.bottom
+
+    dimensions.width = dimensions.right - dimensions.left
+    dimensions.height = dimensions.bottom - dimensions.top
+
+    dimensions
+
+  perform: (actions, container) ->
+    for action in actions
+      if action.indexOf(" ") < 0
+        # 'click'
+        eventName = action
+        target = container
+      else
+        # 'click .target'
+        eventName = action.substr 0, action.indexOf(' ')
+        target = container.find( action.substr action.indexOf(' ') + 1 )
+
+      switch eventName
+        when 'click' then target.trigger('click')
+        when 'hover' then target.toggleClass('is-hovered')
\ No newline at end of file
diff --git a/app/assets/javascripts/app/controllers/dashboard.js.coffee b/app/assets/javascripts/app/controllers/dashboard.js.coffee
index d7f9b70c4..1449e9c0c 100644
--- a/app/assets/javascripts/app/controllers/dashboard.js.coffee
+++ b/app/assets/javascripts/app/controllers/dashboard.js.coffee
@@ -1,6 +1,7 @@
 class App.Dashboard extends App.Controller
   events:
     'click .tabs .tab': 'toggle'
+    'click .intro': 'clues'
   constructor: ->
     super
 
@@ -29,6 +30,11 @@ class App.Dashboard extends App.Controller
 
     @renderWidgetClockFace 25
 
+  clues: =>
+    new App.FirstStepsClues(
+      el: @el
+    )
+
   renderWidgetClockFace: (time) =>
     canvas = @el.find 'canvas'
     ctx    = canvas.get(0).getContext '2d'