From the Creator of SproutCore and CEO of Sproutit

Charles Jolley

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Top Stories by Charles Jolley

In my last post I introduced event delegation in SproutCore and the basics of how to handle events.   In this post I’m going to build on this foundation to show you how you can add event handlers to drag a view around the window.* Introducing the Mouse Events As I noted in the first post, SproutCore recognizes several different types of mouse events.  Most of these events are essentially the same events sent by most browsers, though some differ significantly in order to give you tighter control. Remember that to listen for events, you just need to add a method to your view with the same name.  Here is a quick rundown of the different methods you can add to your view: mouseDown() - Called when the mouse button is pressed while over your view.   You must return YES (i.e. true) from this method for mouseDragged() or mouseUp() to be called. mouseDragged() - Called when t... (more)

What Server Does SproutCore Run On?

Ha ha! Trick question! SproutCore is a client-side application framework (unlike, say, Google Web Toolkit). No part of SproutCore “runs” on the server, and SproutCore contains no “server-side” libraries. A web server (Apache, for example) is only used to deliver plain old HTML, CSS, and JavaScript to the browser. Once those initial files have been served, a SproutCore-based application runs entirely in the browser (and can easily be run “offline”, with no network access at all). Any server that can receive HTTP requests (which is all of them) can interact with a running SproutC... (more)

SproutCore and PhoneGap

Making sure your apps work everywhere is an important part of any mobile strategy. The mobile web allows you to reach your users wherever they are, and users have grown to expect that you’ll be there wherever they go. Increasingly, users want to access applications through app stores; to reach your users, you have to be available to them as many ways as possible. PhoneGap allows you to put your web applications in a native wrapper and deliver them in the Apple App Store, Android Marketplace, and many other native app stores. It also integrates really well with SproutCore, making i... (more)

SproutCore 1.10.1 Release

The first patch release of SproutCore 1.10 is now available. This update includes the following fixes: Allows inline text fields to work with automatic child view layout. Fixed SC.Module loading for IE11 and future versions. Fixed SC.Drag cancellation with the Escape key to call dragEnded for cleanup. Added a retina image for the default theme of SC.MenuPane. Fixed the touch selection of SC.CollectionView to prevent an item from appearing deselected when touched twice in a row. Fixed the insertion point code for SC.GridView in order to show an insertion view when dragging and dr... (more)

Aspect-Oriented Programming and You

One of the coolest parts of the new SproutCore View layer is its ability to use aspect-based programming to add behaviors to views. Aspect-based programming is built on the premise that often objects that don’t follow from the same class hierarchy may in fact need similar behaviors. This is especially true in GUI programming when designers come to you and say something like “I came up with this new widget - it looks kind of like a progress bar but it acts like a button when you click on it”. In SproutCore, you capture these common behaviors in a “mixin”.  A mixin is just a colle... (more)