From 247f5d615539784c46b5c7c5b35b6ee348e04151 Mon Sep 17 00:00:00 2001
From: Luke Shumaker <LukeShu@sbcglobal.net>
Date: Fri, 4 May 2012 09:48:27 -0700
Subject: initial commit

---
 view.coffee | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 view.coffee

(limited to 'view.coffee')

diff --git a/view.coffee b/view.coffee
new file mode 100644
index 0000000..8987630
--- /dev/null
+++ b/view.coffee
@@ -0,0 +1,54 @@
+$ = jQuery
+
+toReplace = 0
+replaced = 0
+
+class imageReplacer
+  constructor: (@orig, @src) ->
+    @replacement = new Image()
+    @replacement.onload = @replace
+    @replacement.src = @src
+    toReplace++
+    @updateText()
+  replace: =>
+    $(@orig).replaceWith(@replacement)
+    replaced++
+    @updateText()
+  updateText: =>
+    if ((toReplace-replaced)>0)
+      $('.loading').text('Please be patient, loading high-quality images ('+replaced+'/'+toReplace+')')
+    else
+      $('.loading').text('')
+
+loadHighRes = ->
+  images = $('img')
+  for image in images
+    new imageReplacer(image, image.src.replace('.small.', '.'))
+
+zoomIn = ->
+  width = $('.paper').width()
+  $('.paper').width(width*1.1)
+
+zoomOut = ->
+  width = $('.paper').width()
+  $('.paper').width(width*(1/1.1))
+
+fitPageHeight = ->
+  page_height = $('.paper img').height()
+  page_width = $('.paper img').width()
+  window_height = $(window).height() - $('.menu').height()
+  # We now want to set page_height=window_height, but through page_width
+  $('.paper').width(window_height*(2*page_width/page_height))
+
+updatePageNumber = ->
+
+
+$ ->
+  menu = $('.menu').text('')
+  $('<button>').text("Zoom Out").click(zoomOut).appendTo(menu)
+  $('<button>').text("Zoom In").click(zoomIn).appendTo(menu)
+  $('<button>').text("Fit Page Height").click(fitPageHeight).appendTo(menu)
+  $('<div>').addClass('loading').appendTo(menu)
+  $('.spacer').height(menu.height())
+  $('.paper').scroll(updatePageNumber)
+  loadHighRes()
-- 
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