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Re: [e4-dev] Problem with css theme switching

I solved my problem. The theme engine worked fine but it couldnât find the css files because it didnât knew where they are.

I forgot the applicationCSSResources property in my plugin.xml.

 

<property

             name="applicationCSSResources"

             value="platform:/plugin/â/css/">

</property>

 

 

greetings

Christian Strotz

 

Von: e4-dev-bounces@xxxxxxxxxxx [mailto:e4-dev-bounces@xxxxxxxxxxx] Im Auftrag von Bogdan Gheorghe
Gesendet: Mittwoch, 4. Juli 2012 17:25
An: E4 Project developer mailing list
Betreff: Re: [e4-dev] Problem with css theme switching

 

Hi Christian -

Take a look at ThemeEngine.setTheme and put a breakpoint at the part where it tries to resolve the stylesheet URL. Is the resolved URL valid for your stylesheets?

- Bogdan

From:

Christian Strotz <Christian.Strotz@xxxxxxxxxxxxx>

To:

"'e4-dev@xxxxxxxxxxx'" <e4-dev@xxxxxxxxxxx>

Date:

07/04/2012 10:26 AM

Subject:

[e4-dev] Problem with css theme switching

Sent by:

e4-dev-bounces@xxxxxxxxxxx

 





Hello together
 
In my e4 rcp app I use three different css styles. With the org.eclipse.e4.ui.css.swt.theme bundle itâs possible to switch between the themes.
 
What I have:
 
1.       In plugin.xml I use the extension point of org.eclipse.e4.ui.css.swt.theme to register my themes
 
<extension point="org.eclipse.e4.ui.css.swt.theme">
             <theme
                    basestylesheeturi="css/default.css"
                    id="themes.default"
                    label="Default Theme">
             </theme>
             <theme
                    basestylesheeturi="css/bright.css"
                    id="themes.bright"
                    label="Bright Theme">
             </theme>
             <theme
                   basestylesheeturi="css/blue.css"
                    id="themes.blue"
                    label="Blue Theme">
             </theme>
</extension>
 
2.  In build.properties I set that all css files will be exported and the org.eclipse.e4.ui.css.swt.theme is in the product configuration as dependency
3.  I defined some menus in Application.e4xmi to switch between the themes
4.  The handler to switch between the themes:
 
public final class SwitchThemeHandler {
             @Execute
             public void execute(IThemeEngine engine, @Named(XmiIDs.COMMANDPARAMETERS_THEME_ID) String themeId) {
                    engine.setTheme(themeId, true);
             }
 
             @CanExecute
             public boolean canExecute(IThemeEngine engine, @Named(XmiIDs.COMMANDPARAMETERS_THEME_ID) String themeId) {
                    String activeThemeId = engine.getActiveTheme().getId();
                    return !activeThemeId.equals(themeId);
             }
}
 
It works great if I start the product in eclipse. When I export the product I can properly run it without errors but there is no style active and I canât switch between it. When I go into the exported plugin jar I can see my css files.
 
What is going wrong and how can I fix it?
 
greetings
Christian Strotz
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