gistfile1.js

		contentView: SC.View.design({
			layout: { top: 0, right: 0, bottom: 0, left: 0 },
			childViews: 'stackedView'.w(),

			stackedView: SC.StackedView.design({
				layout: { top: 0, right: 0, bottom: 0, left: 0 },
				contentBinding: 'DarkHorse.feedsController.arrangedObjects',
				selectionBinding: 'DarkHorse.feedsController.selection',
				contentExampleView: DarkHorse.FeedItemView
			})
		}),

gistfile2.js

sc_require('mixins/builders/fade_builder');
DarkHorse.FeedItemView = SC.View.extend(SC.StaticLayout, {
    childViews: 'contentView image triangle'.w(),

	useStaticLayout: YES, 


	init: function(){
		sc_super();
		var innerClassNames = ['feedItem'];
		// var triangleClassNames = [];
		// for(var i = 0; i < this.contentViewClassNames.length; i++){
		// 	innerClassNames.push(this.contentViewClassNames[i]);
		// 	triangleClassNames.push(this.contentViewClassNames[i]);
		// }
		// 
		// this.setPath("contentView.classNames",innerClassNames);
		// this.setPath("triangle.classNames",triangleClassNames);
		this.setPath("contentView.content",this.get('content'));
	},

	image:SC.ImageView.design({
		layout: { top: 10, right: 0, bottom: 0, left: 10 },
		valueBinding: '.parentView.content.icon'
	}),

	triangle:SC.View.design({
		layout: { top: 20, left: 89, width: 20, height: 20 },
		backgroundColor: 'white',
		classNames: ['triangle']
	}),

    contentView: SC.View.extend({
		useStaticLayout: YES,
        // layout: {top: 5, width: 500, bottom: 5, left: 99 },
        childViews: 'source slug content'.w(),

		init: function(){
			sc_super();
			console.log("Init?");
			this.more = this.createChildView(this.more);
		},

		mouseEntered: function(event){
			this.buildInChild(this.more);
		},

		mouseExited: function(event){
			this.buildOutChild(this.more);
		},

        source: SC.LabelView.design({
            layout: {	top: 10, right: 10, height: 15, left: 10 },
			valueBinding: '.parentView.content.sourceLine',
			fontWeight: SC.BOLD_WEIGHT
        }),

		slug: SC.LabelView.design({
			layout: { top: 30, left: 10, height: 20, right: 10 },
			valueBinding: '.parentView.content.subject',
			classNames: 'feedSubject',
			fontWeight: SC.BOLD_WEIGHT
		}),

		content: SC.LabelView.design(SC.StaticLayout,{
			valueBinding: '.parentView.content.content'
		}),

		more: SC.LabelView.design(SCUI.SimpleButton, DarkHorse.FadeBuilder,{
			layout: { height: 18, right: 5, bottom: 5, width:80 },
			classNames: ['showFeedButton'],
			textAlign: SC.ALIGN_CENTER,
			valueBinding: '.parentView.content.showSourceText',
			target: 'parentView.parentView',
			action: 'showSource',
			fontWeight: SC.BOLD_WEIGHT,
			color: '#999',
			fadeSpeed: 0.2
		})
    }),

	showSource: function(){
		// override me
	}

});