1 files changed, 142 insertions, 0 deletions
diff --git a/public/js/lib/view.js b/public/js/lib/view.js
new file mode 100644
index 0000000..87d6ee4
--- /dev/null
+++ b/public/js/lib/view.js
@@ -0,0 +1,142 @@
+var View = (function($, _){
+
+  var View = function(options) {
+    this._id = _.uniqueId('view')
+    this.type = "view"
+    options || (options = {});
+    _.extend(this, _.pick(options, viewOptions))
+    this._ensureElement()
+    this.initialize.apply(this, arguments)
+    this.delegateEvents()
+  }
+
+  var delegateEventSplitter = /^(\S+)\s*(.*)$/;
+
+  var viewOptions = ['model', 'collection', 'el', 'id', 'attributes', 'className', 'tagName', 'events'];
+
+  _.extend(View.prototype, {
+
+    // The default `tagName` of a View's element is `"div"`.
+    tagName: 'div',
+
+    $: function(selector) {
+      return this.$el.find(selector);
+    },
+
+    initialize: function(){},
+
+    setElement: function(element, delegate) {
+      if (this.$el) this.undelegateEvents();
+      this.$el = element instanceof $ ? element : $(element);
+      this.el = this.$el[0];
+      if (delegate !== false) this.delegateEvents();
+      return this;
+    },
+
+    // Set callbacks, where `this.events` is a hash of
+    //
+    // *{"event selector": "callback"}*
+    //
+    //     {
+    //       'mousedown .title':  'edit',
+    //       'click .button':     'save',
+    //       'click .open':       function(e) { ... }
+    //     }
+    //
+    // pairs. Callbacks will be bound to the view, with `this` set properly.
+    // Uses event delegation for efficiency.
+    // Omitting the selector binds the event to `this.el`.
+    // This only works for delegate-able events: not `focus`, `blur`, and
+    // not `change`, `submit`, and `reset` in Internet Explorer.
+    delegateEvents: function(events) {
+      if (!(events || (events = _.result(this, 'events')))) return this;
+      this.undelegateEvents();
+      for (var key in events) {
+        var method = events[key];
+        if (!_.isFunction(method)) method = this[events[key]];
+        if (!method) continue;
+
+        var match = key.match(delegateEventSplitter);
+        var eventName = match[1], selector = match[2];
+        method = _.bind(method, this);
+        eventName += '.delegateEvents' + this._id;
+        if (is_mobile && (selector === 'mouseenter' || selector === 'mouseleave')) {
+          continue
+        }
+        else if (selector === '') {
+          this.$el.on(eventName, method);
+        } else {
+          this.$el.on(eventName, selector, method);
+        }
+      }
+      return this;
+    },
+
+    // Clears all callbacks previously bound to the view with `delegateEvents`.
+    undelegateEvents: function() {
+      this.$el.off('.delegateEvents' + this._id);
+      return this;
+    },
+
+    // Ensure that the View has a DOM element to render into.
+    // If `this.el` is a string, pass it through `$()`, take the first
+    // matching element, and re-assign it to `el`. Otherwise, create
+    // an element from the `id`, `className` and `tagName` properties.
+    _ensureElement: function() {
+      this.setElement(_.result(this, 'el'), false);
+    },
+    
+    preventDefault: function(e){
+      e && e.preventDefault()
+    },
+    
+    stopPropagation: function(e){
+      e && e.stopPropagation()
+    },
+
+  });
+
+
+  var extend = function(protoProps, staticProps) {
+    var staticProps = staticProps || {}
+    var parent = this;
+    var child;
+    var childEvents = {};
+
+    // The constructor function for the new subclass is either defined by you
+    // (the "constructor" property in your `extend` definition), or defaulted
+    // by us to simply call the parent's constructor.
+    if (protoProps && _.has(protoProps, 'constructor')) {
+      child = protoProps.constructor;
+    } else {
+      child = function(){ return parent.apply(this, arguments); };
+    }
+
+    // Extend events so we can subclass views
+    _.extend(childEvents, parent.prototype.events, protoProps.events)
+
+    // Add static properties to the constructor function, if supplied.
+    _.extend(child, parent, staticProps);
+
+    // Set the prototype chain to inherit from `parent`, without calling
+    // `parent`'s constructor function.
+    var Surrogate = function(){ this.constructor = child; };
+    Surrogate.prototype = parent.prototype;
+    child.prototype = new Surrogate;
+
+    // Add prototype properties (instance properties) to the subclass,
+    // if supplied.
+    if (protoProps) _.extend(child.prototype, protoProps);
+
+    // Set a convenience property in case the parent's prototype is needed
+    // later.
+    child.prototype.__super__ = parent.prototype;
+    child.prototype.events = childEvents
+
+    return child;
+  };
+
+  View.extend = extend;
+  
+  return View;
+})(Zepto, _)