Levure update 0.9.5

Bob Sneidar bobsneidar at iotecdigital.com
Tue Feb 20 16:42:41 EST 2018


Well since you put it THAT way... ;-P

I will offer this advice, and maybe it's not really needed, but I keep all the files necessary for a project in a single folder for that project, much like Levure does. For the purposes of cutting over, it may help to make a duplicate of your project and "Levureize" that, making it the default for that project when you are done. 

Bob S


> On Feb 20, 2018, at 11:56 , Trevor DeVore via use-livecode <use-livecode at lists.runrev.com> wrote:
> 
> On Tue, Feb 20, 2018 at 11:20 AM, Mike Kerner via use-livecode <
> use-livecode at lists.runrev.com> wrote:
> 
>> I'm interested in hearing more about other people who are thinking about
>> moving existing projects over.  I've moved several small ones over (and
>> built a couple from scratch), and have been thinking about moving my bigger
>> ones.  I'm not sure how much work it's going to be to rewrite anything,
>> though (which is why I'm curious to hear what others think before I decide
>> to move something big and get stuck).  Geoff has tackled one of the bigger
>> issues with Navigator (scriptifying stacks and chained behaviors).  That
>> seems to be the biggest barrier to getting moved for me.
> 
> 
> Remember that you don’t have to scriptify anything in order to move a
> project over to Levure. Scriptifying stacks is only necessary in order to
> properly incorporate version control software (VCS) into your project.
> Levure itself doesn’t care whether or not your stacks are binary or script
> only.
> 
> I *think* this is the bare minimum someone would need to do if they wanted
> to move their app to Levure:
> 
> 1) Pull out library, frontscript, back scripts from app and put in proper
> folders in Levure app.
> 2) Pull out any code that runs at app startup and place in the
> `InitializeApplication` or `OpenApplication` handlers in the Levure
> `app.livecodescript` script. Make sure and open the first stack the user
> should see at the end of the `OpenApplication` handler.
> 3) Pull out any code that needs to run when the application quits and place
> it in `PreShutdownApplication` in the Levure `app.livecodescript` script.
> 4) Pull out your UI stacks and place them in the proper folder structure
> for Levure.
> 5) Configure the standalone.livecode stack for your app, making sure to
> include any externals or extensions your app uses.
> 
> Once you’ve finished the above steps and your app runs as it did before
> then you can choose to go back and scriptify your stacks. You could start
> with the libraries, front and back scripts. Then move to the UI stacks
> using something like Navigator or the PI in LC 8 or 9 to convert control
> scripts to behaviors one at a time.
> 
> If you step back and look at what Levure is doing it isn’t terribly
> complicated conceptually:
> 
> * It provides a project structure for your UI stacks, library stacks,
> behavior stacks, etc. Because Levure projects use YAML files and the file
> system they are VCS friendly.
> * It provides a plugin system (helpers) that allows you to drop in
> functionality.
> 
> Because of these qualities, Levure can automate the launching, packaging,
> and updating of your app. It can also facilitate the addition of features
> which require multiple stacks and/or extensions.
> 
> -- 
> Trevor DeVore
> ScreenSteps
> www.screensteps.com
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