bigbluebutton-Github/labs/meteor-client/app/client/views/whiteboard/slide.coffee
2014-10-16 06:24:31 -07:00

102 lines
3.4 KiB
CoffeeScript
Executable File

Template.slide.rendered = ->
currentSlide = getCurrentSlideDoc()
if currentSlide?.slide?.png_uri?
createWhiteboardPaper (wpm) ->
displaySlide wpm
@createWhiteboardPaper = (callback) =>
@whiteboardPaperModel = new Meteor.WhiteboardPaperModel('whiteboard-paper')
callback(@whiteboardPaperModel)
Template.slide.helpers
displaySlide: (wpm) ->
currentSlide = getCurrentSlideDoc()
wpm.create()
pic = new Image()
pic.onload = ->
originalWidth = this.width
originalHeight = this.height
boardWidth = $("#whiteboard").width()
boardHeight = $("#whiteboard").height() - $("#whiteboard-navbar").height() - 10
if originalWidth <= originalHeight
adjustedWidth = boardHeight * originalWidth / originalHeight
$('#whiteboard-paper').width(adjustedWidth)
if boardWidth < adjustedWidth
adjustedHeight = boardHeight * boardWidth / adjustedWidth
adjustedWidth = boardWidth
else
adjustedHeight = boardHeight
$("#whiteboard-paper").height(adjustedHeight)
else
adjustedHeight = boardWidth * originalHeight / originalWidth
$('#whiteboard-paper').height(adjustedHeight)
if boardHeight < adjustedHeight
adjustedWidth = boardWidth * boardHeight / adjustedHeight
adjustedHeight = boardHeight
else
adjustedWidth = boardWidth
$("#whiteboard-paper").width(adjustedWidth)
height = $('#whiteboard').height()
$('#whiteboard-paper').height((height-$("#whiteboard-navbar").height()-10)+'px')
wpm._displayPage(currentSlide?.slide?.png_uri, originalWidth, originalHeight)
Template.slide.manuallyDisplayShapes()
wpm.scale(adjustedWidth, adjustedHeight)
pic.src = currentSlide?.slide?.png_uri
@displaySlide= (wpm) ->
currentSlide = getCurrentSlideDoc()
wpm?.create()
# loading the image to find its original dimensions
pic = new Image()
pic.onload = ->
wpm?._displayPage(currentSlide?.slide?.png_uri, this.width, this.height)
manuallyDisplayShapes()
pic.src = currentSlide?.slide?.png_uri
@manuallyDisplayShapes = ->
currentSlide = getCurrentSlideDoc()
wpm = @whiteboardPaperModel
shapes = Meteor.Shapes.find({whiteboardId: currentSlide?.slide?.id}).fetch()
for s in shapes
shapeInfo = s.shape?.shape or s?.shape
shapeType = shapeInfo?.type
if shapeType isnt "text"
len = shapeInfo.points.length
for num in [0..len] # the coordinates must be in the range 0 to 1
shapeInfo?.points[num] = shapeInfo?.points[num] / 100
wpm?.makeShape(shapeType, shapeInfo)
wpm?.updateShape(shapeType, shapeInfo)
Template.slide.helpers
updatePointerLocation: (pointer) ->
wpm = @whiteboardPaperModel
wpm?.moveCursor(pointer.x, pointer.y)
#### SHAPE ####
Template.shape.rendered = ->
# @data is the shape object coming from the {{#each}} in the html file
shapeInfo = @data.shape?.shape or @data.shape
shapeType = shapeInfo?.type
if shapeType isnt "text"
len = shapeInfo.points.length
for num in [0..len] # the coordinates must be in the range 0 to 1
shapeInfo.points[num] = shapeInfo.points[num] / 100
wpm = @whiteboardPaperModel
wpm?.makeShape(shapeType, shapeInfo)
wpm?.updateShape(shapeType, shapeInfo)
Template.shape.destroyed = ->
wpm = @whiteboardPaperModel
wpm?.clearShapes()
displaySlide(wpm)
manuallyDisplayShapes()