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Own messages in the splash screen [message #489316]

Fri, 02 October 2009 08:10

Eclipse User

I have a small RCP application consisting in several plug-ins.

When each plug-in is loaded I want to add a message along with the progress bar displayed in the splash screen. Similar with the messages I see when my Eclipse IDE is starting.

Do I have to use a particular extension point for this? Or is there a messages service I need to register my plug-in's to it in order to display those messages?

Any help would be appreciated.

Catalin

Re: Own messages in the splash screen [message #489417 is a reply to message #489316]

Fri, 02 October 2009 17:22

Eclipse User

I believe you will need to use the org.eclipse.ui.splashHandlers extension point.

The splash screen you see on eclipse with the progress bar is implemented by EclipseSplashHandler. You might be able to extend that, or perhaps just use it as an example.

-Andrew

Catalin Gerea wrote on Fri, 02 October 2009 08:10

Re: Own messages in the splash screen [message #489456 is a reply to message #489417]

Sat, 03 October 2009 07:18

Eclipse User

Hello Andrew

Thank you for your reply.

I already implement the org.eclipse.ui.splashHandlers in one of the plugins (so it wouldn't be a problem to add it to all the plugins).
I was able to customize the color of the progress bar and the color of the text as well as the position of the text.

My splash handler class is extending BasicSplashHandler and not EclipseSplashHandler.

I looked now at the code of the EclipseSplashHandler but I did not found any public or protected method to set the message. Nor any method to set the time when the message is displayed. I saw that the text message is written using a plain drawText() method and this can be easily duplicated.

But what I do not know is when the splash handler code is called. Is there a order of executing the extension points implemented by a plug-in?

Re: Own messages in the splash screen [message #489720 is a reply to message #489456]

Mon, 05 October 2009 12:10

Eclipse User

Catalin,
You only need one splash handler, it takes care of managing the entire
splash. After a second look, BasicSplashHandler is probably sufficient,
the EclipsesplashHandler is just added extra static text with the build-id.

The key there is the BasicSplashHandler.getBundleProgressMonitor(). The
workbench registers a StartupProgressBundleListenerlistener on the osgi
framework, it receives events as bundles get started, and this is where
the text you see beside the progress bar in the eclipse IDE splash
screen comes from. This listener calls the progress monitor it got from
the splash handler.

You can probably extend the AbsolutePositionProgressMonitorPart to
change the message it gets, or perhaps register your own listener on the
framework and interpret the BundleEvent's yourself.

See Workbench.runStartupWithProgress to see where these get hooked together.

-Andrew

Catalin Gerea wrote:
> Hello Andrew
>
> Thank you for your reply.
>
> I already implement the org.eclipse.ui.splashHandlers in one of the
> plugins (so it wouldn't be a problem to add it to all the plugins).
> I was able to customize the color of the progress bar and the color of
> the text as well as the position of the text.
>
> My splash handler class is extending BasicSplashHandler and not
> EclipseSplashHandler.
>
> I looked now at the code of the EclipseSplashHandler but I did not found
> any public or protected method to set the message. Nor any method to set
> the time when the message is displayed. I saw that the text message is
> written using a plain drawText() method and this can be easily duplicated.
>
> But what I do not know is when the splash handler code is called. Is
> there a order of executing the extension points implemented by a plug-in?

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