New continuos render

lib/epubjs/viewmanager.js

@@ -0,0 +1,86 @@
+// View Management
+EPUBJS.ViewManager = function(container){
+	this.views = [];
+	this.container = container;
+};
+
+EPUBJS.ViewManager.prototype.append = function(view){
+	this.views.push(view);
+	// view.appendTo(this.container);
+	this.container.appendChild(view.element());
+
+};
+
+EPUBJS.ViewManager.prototype.prepend = function(view){
+	this.views.unshift(view);
+	// view.prependTo(this.container);
+	this.container.insertBefore(view.element(), this.container.firstChild);
+};
+
+EPUBJS.ViewManager.prototype.insert = function(view, index) {
+	this.views.splice(index, 0, view);
+	
+	if(index < this.cotainer.children.length){
+		this.container.insertBefore(view.element(), this.container.children[index]);
+	} else {
+		this.container.appendChild(view.element());
+	}
+	
+};
+
+EPUBJS.Renderer.prototype.add = function(view) {
+	var section = view.section;
+	var index = -1;
+
+	if(this.views.length === 0 || view.index > this.last().index) {
+		this.append(view);
+		index = this.views.length;
+	} else if(view.index < this.first().index){
+		this.prepend(view);
+		index = 0;
+	} else {
+		// Sort the views base on index
+		index = EPUBJS.core.locationOf(view, this.views, function(){
+			if (a.index > b.index) {
+				return 1;
+			}
+			if (a.index < b.index) {
+				return -1;
+			}
+			return 0;
+		});
+
+		// Place view in correct position
+		this.insert(view, index);
+	}
+};
+
+// Remove the render element and clean up listeners
+EPUBJS.ViewManager.prototype.remove = function(view) {
+	var index = this.views.indexOf(view);
+	view.destroy();
+	if(index > -1) {
+		this.views.splice(index, 1);
+	}
+};
+
+EPUBJS.ViewManager.prototype.clear = function(){
+	this.views.forEach(function(view){
+		view.destroy();
+	});
+
+	this.views = [];
+};
+
+EPUBJS.ViewManager.prototype.first = function() {
+	return this.views[0];
+};
+
+EPUBJS.ViewManager.prototype.last = function() {
+	return this.views[this.views.length-1];
+};
+
+EPUBJS.ViewManager.prototype.map = function(func) {
+	return this.views.map(func);
+};
+