Update javascript to use document metadata JSON.

OregonDigital · May 16, 2014 · 38c5443 · 38c5443
1 parent 92514c5
commit 38c5443
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Showing 2 changed files with 18 additions and 11 deletions.
diff --git a/app/assets/javascripts/bookreader/oregondigital_bookreader.js.coffee b/app/assets/javascripts/bookreader/oregondigital_bookreader.js.coffee
@@ -4,20 +4,26 @@ class BookReaderManager
   constructor: ->
     return unless $("#BookReader").length > 0
     @element = $("#BookReader")
-    @br = this.initialize_bookreader()
-    $('#BRtoolbar').find('.read').hide();
-    $('#textSrch').hide();
-    $('#btnSrch').hide();
+    this.get_metadata($.proxy(this.initialize_bookreader, this))
+    $('#BRtoolbar').find('.read').hide()
+    $('#textSrch').hide()
+    $('#btnSrch').hide()
+  get_metadata: (callback) ->
+    pid = @element.data("pid")
+    $.getJSON("/document/#{pid}.json", (data) =>
+      @page_info = data["pages"]
+      callback()
+    )
   initialize_bookreader: ->
     @br = new BookReader()
     @br.imagesBaseURL = "/assets/bookreader/images/"
-    @br.getPageWidth = (index) -> 1000
-    @br.getPageHeight = (index) -> 1000
+    @br.getPageWidth = (index) => @page_info[index]["size"]["width"]
+    @br.getPageHeight = (index) => @page_info[index]["size"]["height"]
     @br.getPageURI = this.getPageURI
     @br.getPageSide = this.getPageSide
     @br.getSpreadIndices = this.getSpreadIndices
     @br.getPageNum = (index) -> index+1
-    @br.numLeafs = @element.data("pages")
+    @br.numLeafs = @page_info.length
     @br.bookTitle = @element.data("title")
     @br.bookUrl = ''
     @br.getEmbedCode = -> return "Embedding is disabled."
@@ -31,7 +37,7 @@ class BookReaderManager
     else
       return'L'
   getSpreadIndices: (pindex) =>
-    spreadIndices = [null, null];
+    spreadIndices = [null, null]
     if 'rl' == @br.pageProgression
       if this.getPageSide(pindex) == 'R'
         spreadIndices[1] = pindex
@@ -42,8 +48,8 @@ class BookReaderManager
     else
       if this.getPageSide(pindex) == 'L'
         spreadIndices[0] = pindex
-        spreadIndices[1] = pindex + 1;
+        spreadIndices[1] = pindex + 1
       else
         spreadIndices[1] = pindex
         spreadIndices[0] = pindex-1
-    return spreadIndices
+    return spreadIndices
diff --git a/app/decorators/document_decorator.rb b/app/decorators/document_decorator.rb
@@ -22,7 +22,8 @@ def data_hash
     {
       :pages => pages,
       :title => title,
-      :root => root
+      :root => root,
+      :pid => pid
     }
   end