RfTouch sees light

Posted by Rohde Fischer on Saturday, December 15. 2012

RfTouch is a framework for Sencha Touch 2. As it is right now the project is at it’s very beginning. Currently it offers a ReloadStore, which is a simple addition to the default store, so it can handle reloads. In it self it’s nothing special, just a simplification of a common usage when using ST 2 as part of a native app.

To try it out go to https://github.com/rohdef/rftouch and download the RfTouch folder. Put the folder in your project and adding RfTouch to the loader:

//<debug> Ext.Loader.setPath({ 'Ext': 'touch/src', 'RfTouch': 'RfTouch', // Make sure the value of RfTouch match the path to RfTouch 'Project': 'app' }); //</debug>

Then you can create your own store, almost like you’d normally create a store, except that you extend RfTouch.data.ReloadStore.

Ext.define('Project.store.MyStore', { extend: 'RfTouch.data.ReloadStore', config: { // Setting retries to 5, default is 2 // Note that a retry of 2 causes 3 tries - try, retry and retry retries: 5, listeners: { bailout: 'bailoutHandle' } }, bailoutHandle: function(store) { // Note retryLoad, this resets the try-count, otherwise it will only try once, // since the amount of reloads have already been used. Ext.Msg.alert('Load failed', 'Press ok to try again', store.retryLoad); } });

From here on you should just listen to the bailout event, which specifies that the store didn’t get any successful response from the proxy and use the resetReload method if you want to reset the retry count (note that to start with the retry count is 0, so load will also work on the first load, but will not if the bailout handler allows retrying).

Upcomming: RfMap – an Ext.Map that handles connectivity.

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