files_reader: experimental PDF support, Work In Progress

files_reader/vendor/pdfjs/controllers/toc_controller.js

@@ -0,0 +1,115 @@
+PDFJS.reader.TocController = function(toc) {
+	var book = this.book;
+
+	var $list = $("#tocView"),
+			docfrag = document.createDocumentFragment();
+
+	var currentChapter = false;
+
+	var generateTocItems = function(toc, level) {
+		var container = document.createElement("ul");
+
+		if(!level) level = 1;
+
+		toc.forEach(function(chapter) {
+			var listitem = document.createElement("li"),
+					link = document.createElement("a");
+					toggle = document.createElement("a");
+
+			var subitems;
+
+			listitem.id = "toc-"+chapter.id;
+			listitem.classList.add('list_item');
+
+			link.textContent = chapter.label;
+			link.href = chapter.href;
+
+			link.classList.add('toc_link');
+
+			listitem.appendChild(link);
+
+			if(chapter.subitems.length > 0) {
+				level++;
+				subitems = generateTocItems(chapter.subitems, level);
+				toggle.classList.add('toc_toggle');
+
+				listitem.insertBefore(toggle, link);
+				listitem.appendChild(subitems);
+			}
+
+
+			container.appendChild(listitem);
+
+		});
+
+		return container;
+	};
+
+	var onShow = function() {
+        $list.addClass('open');
+	};
+
+	var onHide = function() {
+        $list.removeClass('open');
+	};
+
+	var chapterChange = function(e) {
+		var id = e.id,
+				$item = $list.find("#toc-"+id),
+				$current = $list.find(".currentChapter"),
+				$open = $list.find('.openChapter');
+
+		if($item.length){
+
+			if($item != $current && $item.has(currentChapter).length > 0) {
+				$current.removeClass("currentChapter");
+			}
+
+			$item.addClass("currentChapter");
+
+			// $open.removeClass("openChapter");
+			$item.parents('li').addClass("openChapter");
+		}
+	};
+
+	book.on('renderer:chapterDisplayed', chapterChange);
+
+	var tocitems = generateTocItems(toc);
+
+	docfrag.appendChild(tocitems);
+
+	$list.append(docfrag);
+	$list.find(".toc_link").on("click", function(event){
+			var url = this.getAttribute('href');
+
+			event.preventDefault();
+
+			//-- Provide the Book with the url to show
+			//   The Url must be found in the books manifest
+			book.goto(url);
+
+			$list.find(".currentChapter")
+					.addClass("openChapter")
+					.removeClass("currentChapter");
+
+			$(this).parent('li').addClass("currentChapter");
+
+	});
+
+	$list.find(".toc_toggle").on("click", function(event){
+			var $el = $(this).parent('li'),
+					open = $el.hasClass("openChapter");
+
+			event.preventDefault();
+			if(open){
+				$el.removeClass("openChapter");
+			} else {
+				$el.addClass("openChapter");
+			}
+	});
+
+	return {
+		"show" : onShow,
+		"hide" : onHide
+	};
+};