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Posted: **18 Jul 2014, 13:06**

Hi al,

i am following the on-line advices but i am not get along.

I want to change the theme based on the user logged in.

As try i added the theme glass-x.jar and changed the web.xml like this:

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	<context-param>
		<param-name>primefaces.THEME</param-name>
		<param-value>glass-x</param-value>
	</context-param>

and it works.

However i would like to store the theme in the DB. So I have an UserBean (SessionScope) with relative theme attribute and now is:

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	<context-param>
		<param-name>primefaces.THEME</param-name>
		<param-value>#{userBean.theme}</param-value>
	</context-param>

Of course when i load the application no user is logged-in. So i though the theme value default to 'aristo' but i get the following error:

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Caused by: javax.faces.FacesException: Error loading theme, cannot find "theme.css" resource of "primefaces-" library

can you pls tell me where i am worng?

thanks lot!

Posted: **18 Jul 2014, 22:15**

i think i found somethign following the code on-line.

However still i am not able to set the theme out of this code:

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<p:themeSwitcher value="#{guestPreferences.theme}" style="width:150px" effect="fade">
						<f:selectItem itemLabel="--Choose Theme--" itemValue=""/>
						<f:selectItems value="#{themeSwitcherBean.themes}"/>
						<p:ajax listener="#{themeSwitcherBean.saveTheme}"/>
				</p:themeSwitcher>

How can the selectItem in this xhtml can call the set on the ThemeSwtcherBean?

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public void setTheme(String theme) {
        this.theme = theme;
    }

I mean this is not SelectOneMenu component

so the result is that once the listener is called the "theme" on the backing bean is NULL!!

Please help. tks

Posted: **21 Jul 2014, 09:54**

If you want to ensure that the dynamic theme has a default set the value of the theme property in your bean to "aristo".

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