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Re: [platform-ui-dev] Using the Workspace Selection Dialog with a custom product

As long as nobody has changed a preference to a non-default value, a configuration/.settings/org.eclipse.ui.ide.prefs file is not necessary and won't be created.
The default is to show the dialog, so if the *.prefs file is not there, then this is probably not the problem (or you're using a different configuration area).

I guess it's easiest if you just debug the startup process on your end.
Set a breakpoint in IDEApplication#checkInstanceLocation(Shell, Map) and see why it doesn't reach promptForWorkspace(..).

If you can't reproduce the problem in an "Eclipse Application" launch configuration where "Main > Workspace Data > Location" is empty, then you may have to remote-debug the built product:

Launch the product with this VM arg (replace <free-port> with a free port number, e.g. 50000):

        -agentlib:jdwp=transport=dt_socket,suspend=y,server=y,address=localhost:<free-port>

... and then create and launch a "Remote Java Application" launch configuration that uses the same port number.

Markus



From:        Jay Jay Billings <jayjaybillings@xxxxxxxxx>
To:        "Eclipse Platform UI component developers list." <platform-ui-dev@xxxxxxxxxxx>
Date:        2015-06-18 16:03
Subject:        Re: [platform-ui-dev] Using the Workspace Selection Dialog with a custom product
Sent by:        platform-ui-dev-bounces@xxxxxxxxxxx




Markus,

I think we may be on to something here. In the build generated by Tycho, there is no configuration/.settings directory. Even after running the executable this directory does not appear, although the SHOW_WORKSPACE_SELECTION_DIALOG is checked under the workspace preferences menu ("Startup and Shutdown").

Any thoughts on that?

Jay

On Thu, Jun 18, 2015 at 9:06 AM, Markus Keller <markus_keller@xxxxxxxxxx> wrote:
Maybe the problem is that your configuration is set to not show the workspace selection dialog.
This can be toggled in the UI at Preferences > General > Startup and Shutdown > Workspaces > Prompt for workspace on startup.


The value is stored in <path-to-eclipse-install>/configuration/.settings/org.eclipse.ui.ide.prefs. This setting should make the dialog appear again:

SHOW_WORKSPACE_SELECTION_DIALOG=true


More information about the configuration location can be found here:

http://help.eclipse.org/mars/topic/org.eclipse.platform.doc.isv/reference/misc/runtime-options.html#locations

Or maybe your configuration/config.ini sets a specific workspace location?


Markus




From:        
Jay Jay Billings <jayjaybillings@xxxxxxxxx>
To:        
"Eclipse Platform UI component developers list." <platform-ui-dev@xxxxxxxxxxx>
Date:        
2015-06-18 13:54
Subject:        
Re: [platform-ui-dev] Using the Workspace Selection Dialog with a custom product
Sent by:        
platform-ui-dev-bounces@xxxxxxxxxxx




Thanks Daniel and Andrew.

We're running Kepler, but should have a Mars target by the end of the week.

We are only setting the osgi.instance. area location on the command line. Here's our product.

https://github.com/eclipse/ice/blob/jay/reflectivity/repository/org.eclipse.ice.repository/ice.product

I think some of our plugins are getting loaded before the workbench, yes. They are all set to start at the default level, but I think our plugins are getting loaded before the workbench application because they are OSGi services. Most of them depend on the ResourcePlugin and I imagine that when the framework stages the services it is triggering the configuration of the ResourcePlugin. I tried changing the start level of our bundles to be one greater than the default so that the would start later, but that didn't fix it. I also tried to start the workbench earlier at a lower start level, but that failed as well.

Jay

On Jun 18, 2015 6:35 AM, "Andrew Eidsness" <eclipse@xxxxxxxxxx> wrote:
The Eclipse runtime has a few locations that can only be set once.  The workspace location (-data or osgi.instance.area) is one of them.  Also included in this set are the configuration location (-configuration or osgi.configuration.area) is another, the user location (-user or osgi.user.area), and the state location.  See org.eclipse.core.internal.runtime.InternalPlatform for gory details.

When a value is provided for one of these locations, it cannot be changed.  Setting the instance location can prevent the ChooseWorkspaceDialog from opening -- if -data (osgi.instance.area) has been set, then the dialog will not open.

Further, some locations are linked.  Setting a value for one of them will cause a value to be set in the others (the default value if one was not provided).  For example, the state location is usually within the workspace (the instance location).

Are you setting any other areas (e.g., the state location) from the command line?  Are any of your customizations running before the org.eclipse.ui.ide.workbench application -- perhaps they are triggering a load of the state location?

There are more details (some out of date) and pointers in
http://eclip.se/32147 .

-Andrew

On 15-06-17 01:04 PM, Jay Jay Billings wrote:
Dear List,

Eclipse ICE (
www.eclipse.org/ice) uses a custom product to include our feature and some other things in our binary. Our product actually uses org.eclipse.platform.ide as the product it launches and org.eclipse.ui.ide.workbench as the application.

ICE is currently configured to use a dedicated workspace by passing the osgi.instance.area flag in the VM args, but I am trying to change that so that the workspace dialog will pop up at the beginning and users can pick their workspace. Does anyone know what I need to do for this to work? I've spent two days looking at this and nothing I try will cause the workspace dialog to pop up, except adding -data @noDefault, which only messes up the ResourcePlugin completely and prevents ICE from starting.

I'm not sure if this is the best place for this email, but it seemed like a good start. I would greatly appreciate your thoughts (even if they are just "Go away!" ;-)).

Jay

--
Jay Jay Billings
Oak Ridge National Laboratory
Twitter Handle: @jayjaybillings


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--

Jay Jay Billings
Oak Ridge National Laboratory
Twitter Handle: @jayjaybillings_______________________________________________
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