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Adding stacked views to an existing perspective via "perspectiveExtensions" [message #323831]

Wed, 09 January 2008 11:55

Eclipse User

hi I've been trying different ways to add a stack of views to an
existing perspective via the extension point "perspectiveExtensions".
Sounds fairly standard. The problem is that at the location where I'd
like to add the stacked views, there is not an existing view in the
target perspective. So using the extension point I can add the first
view but I can't add any additional views to the same stack since the
extension point requires an existing view, in the original perspective
definition, as the reference point.

I'm pretty sure it is not possible as per the current API but would like
to as if anyone has found a way to do that.

Thanks!

Re: Adding stacked views to an existing perspective via "perspectiveExtensions" [message #323869 is a reply to message #323831]

Thu, 10 January 2008 12:37

Eclipse User

Originally posted by: eclipse-news.rizzoweb.com

Jim Zhang wrote:
> hi I've been trying different ways to add a stack of views to an
> existing perspective via the extension point "perspectiveExtensions".
> Sounds fairly standard. The problem is that at the location where I'd
> like to add the stacked views, there is not an existing view in the
> target perspective. So using the extension point I can add the first
> view but I can't add any additional views to the same stack since the
> extension point requires an existing view, in the original perspective
> definition, as the reference point.
>
> I'm pretty sure it is not possible as per the current API but would like
> to as if anyone has found a way to do that.

If I understand your need correctly, you should be able to accomplish it
by adding one of your views relative to something that is already in the
perspective (another view or the editor area) and then stack the rest of
your new views relative to the first one.
For example,
ViewA added relative to the bottom of org.eclipse.ui.editorss (the
editor area).
ViewB and ViewC added as stacked relative to ViewA.

Hope this helps,
Eric

Re: Adding stacked views to an existing perspective via "perspectiveExtensions" [message #323874 is a reply to message #323869]

Thu, 10 January 2008 13:58

Eclipse User

Eric, thanks for the reply. It tried the exact tactic before I wrote
the post, which didn't work. My theory at the time was that it was not
supported. However just now I tried it again and it worked for me.

I checked the source of PerspectiveExtensionReader, and whether the
above will work or not reliably depends on if
IConfigurationElement.getChildren() preserves the order of the <view>
elements as they appear in the plugin.xml. Anybody knows if that's
indeed the case?

Re: Adding stacked views to an existing perspective via "perspectiveExtensions" [message #323875 is a reply to message #323874]

Thu, 10 January 2008 14:47

Eclipse User

Originally posted by: eclipse-news.rizzoweb.com

Jim Zhang wrote:
> Eric, thanks for the reply. It tried the exact tactic before I wrote
> the post, which didn't work. My theory at the time was that it was not
> supported. However just now I tried it again and it worked for me.
>
> I checked the source of PerspectiveExtensionReader, and whether the
> above will work or not reliably depends on if
> IConfigurationElement.getChildren() preserves the order of the <view>
> elements as they appear in the plugin.xml. Anybody knows if that's
> indeed the case?

I'll be curios to hear the answer, because it the answer is "no" then
I'd really like to know how the whole relative positioning strategy can
work at all. Plus the fact that my current project is relying on the
kind of structure where most of our custom views are relative to one
particular one.

Eric

Re: Adding stacked views to an existing perspective via "perspectiveExtensions" [message #323894 is a reply to message #323875]

Fri, 11 January 2008 08:50

Eclipse User

The extension registry won't guarantee the order of extensions for an
extension point, but within an extension the IConfigurationElements (for
something like "view" or "command", etc) seem to be in the plugin.xml order.

Assuming that's correct (and org.eclipse.ui.actionSets depends on that
behaviour, as well as a number of other UI extension points) you can
stack views within one perspectiveExtension:

<extension
point="org.eclipse.ui.perspectiveExtensions">
<perspectiveExtension
targetID="org.eclipse.jdt.ui.JavaPerspective">
<view
id="org.eclipse.ui.views.ResourceNavigator"
minimized="false"
ratio="0.5"
relationship="top"
relative="org.eclipse.ui.views.ContentOutline"
visible="true">
</view>
<view
id="org.eclipse.ui.views.BookmarkView"
minimized="false"
relationship="stack"
relative="org.eclipse.ui.views.ResourceNavigator"
visible="true">
</view>
</perspectiveExtension>
</extension>
[/xml]

Later,
PW

--
Paul Webster
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http://wiki.eclipse.org/Menus_Extension_Mapping
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