RichFaces - Rich Skin


Advertisements


RichFaces comes with a new feature to control the look and feel of your website in a centralized manner, called Rich Skin. Skin is a high level implementation of old CSS files, which is more convenient for the back-end developer to control the look and feel of the website. There are some built-in skins available, which can be customized according to your choice.

Built-in Skin

There are a number of built-in skins available in the RichFaces component jar file. Following are some built-in rich skin available.

  • Default
  • Plain
  • emeraldTown
  • blueSky
  • wine
  • japanCherry
  • ruby
  • classic
  • deepMarine
  • NULL

In the following example, we will implement ”classic” skin. It is very easy to implement any of the above-mentioned skins. Before proceeding further, please add the skin in the “web.xml” file using the line of code given below. We can add any skin of our choice from the above list. We just need to modify the <param-value> tag with the appropriate skin name.

<context-param>   
   <param-name>org.richfaces.skin</param-name>
   <param-value>classic</param-value>   
</context-param> 

After adding this, please create a “SkinExample.xhtml” file and add the following line of code into it.

<?xml version = '1.0' encoding = 'UTF-8' ?>    
<ui:composition xmlns = "http://www.w3.org/1999/xhtml"   
   xmlns:h = "http://java.sun.com/jsf/html"   
   xmlns:f = "http://java.sun.com/jsf/core"   
   xmlns:ui = "http://java.sun.com/jsf/facelets"
   xmlns:a4j = "http://richfaces.org/a4j"   
   xmlns:rich = "http://richfaces.org/rich">   
   
   <f:view>   
      <h:head>   
         <title>Rich Faces Built in Skin</title>   
      </h:head>   
      
      <h:body>   
         <h:form>   
            <rich:panel style = "width:60%"> 
               <rich:tabPanel switchType = "AJAX"> 
                  <rich:tab header = "Name"> 
                     Tutorials Point 
                  </rich:tab> 
                  
                  <rich:tab header = "Features"> 
                     Best Place to learn 
                  </rich:tab> 
               </rich:tabPanel> 
            </rich:panel>           
         </h:form>   
      </h:body>
      
   </f:view>   
</ui:composition>  

Once we run this page, following will be the output in the browser, where each tab dynamically propagates to generate a different output. Once you hit the next tab, it will show a different output.

Next Tab

In the above example, <rich:panel> creates a panel where we are creating different tabs using <rich:tab>. The <rich:tabPanel switchType = "AJAX"> provides AJAX transition of the used tab.

Creating/Modifying the Skin

Skin is nothing but an extended version of CSS design, which will be applied to the webpage at runtime. In the previous section, we learned some basic in-built functionality of the skin. In this section, we will create our own skin or modify the existing skin. Skin in the RichFaces can be customized at the following three levels.

Skin property file − All the skins are generated through different property files mentioned under “rechfaces-a4j-4.5.17.Final” jar file. All we need to do is create a same property file and keep it under our source folder and edit its property. We need to change our “web.xml” accordingly to reflect on our new skin property in the website.

Component style sheet − Implement new CSS file of choice and use it in the application.

Overwrite style class − One can overwrite the style by directly mentioning the style properties in the xhtml file.

Let us consider an example. We will customize our previous ”classic” skin. Create a property file inside the “source” package and name it “custom.skin.properties”. Following are the entries of this property file that were copied from other property files available in the jar file mention above.

#Colors 
headerBackgroundColor = #black 
headerGradientColor = #DF5858 
headerTextColor = #FFFFFF 
headerWeightFont = bold 

generalBackgroundColor = #f1f1f1 
generalTextColor = #000000 
generalSizeFont = 10px 
generalFamilyFont = Arial, Verdana, sans-serif 

controlTextColor = #000000 
controlBackgroundColor = #ffffff 
additionalBackgroundColor = #F9E4E4 

shadowBackgroundColor = #000000 
shadowOpacity = 1 
panelBorderColor = #C0C0C0 
subBorderColor = #ffffff 

tabBackgroundColor = #EDAEAE 
tabDisabledTextColor = #C47979 
trimColor = #F7C4C4 
tipBackgroundColor = #FAE6B0 
tipBorderColor = #E5973E 

selectControlColor = #FF9409 
generalLinkColor = #CF0000 
hoverLinkColor = #FF0000 
visitedLinkColor = #CF0000 

# Fonts
headerSizeFont = 11px 
headerFamilyFont = Arial, Verdana, sans-serif 
tabSizeFont = 11 
tabFamilyFont = Arial, Verdana, sans-serif 
buttonSizeFont = 11 
CHAPTER 11 ■ SKINS 223 
buttonFamilyFont = Arial, Verdana, sans-serif 

tableBackgroundColor = #FFFFFF 
tableFooterBackgroundColor = #cccccc 
tableSubfooterBackgroundColor = #f1f1f1 
tableBorderColor = #C0C0C0 
tableBorderWidth = 1px 

#Calendar colors 
calendarWeekBackgroundColor = #f5f5f5 
calendarHolidaysBackgroundColor = #FFF1F1 
calendarHolidaysTextColor = #980808 
calendarCurrentBackgroundColor = #808080 
calendarCurrentTextColor = #ffffff 
calendarSpecBackgroundColor = #f1f1f1 
calendarSpecTextColor = #000000 

warningColor = #FFE6E6 
warningBackgroundColor = #FF0000 
editorBackgroundColor = #F1F1F1 
editBackgroundColor = #FEFFDA 

#Gradients 
Gradient Type = plain 

Depending the skill level, we can change any attribute in this property file. We can add new Style class or edit the existing one. Once we are done with the creation of the new property file, it is time to add the same in the “web.xml ” file. Following is the entry of the “web.xml”, which should point to our skin.

<context-param> 
   <param-name>org.richfaces.skin</param-name> 
   <param-value>custom</param-value> 
</context-param>

Note − Make sure the new property file is present inside the source directory, otherwise it will throw a runtime error saying “NoClassFound Exception”.

Go ahead and run the previous file named” SkinExample.xhtml”. Following will be the output in the browser, where we will able to see that the entire look and feel of the website has changed to “Ruby” as a new property file was copied from ruby.properties file.

Creating Modifying Skin

Changing the Skin at Runtime

In this example, we will change the skin at run time. Create a skin class like the following.

import javax.faces.bean.ManagedBean; 
import javax.faces.bean.RequestScoped;  

@ManagedBean   
@RequestScoped 

public class skinBean {  
   private String skin;  
   public skinBean() { 
      this.skin="plane"; 
   }
   public String getSkin() { 
      return skin; 
   } 
   public void setSkin(String skin) { 
      this.skin = skin; 
   } 
}

Then change the “web.xml” file as follows, to populate the skin name at runtime.

<context-param>   
   <param-name>org.richfaces.skin</param-name>
   <param-value>#{skinBean.skin}</param-value>
</context-param>

After doing so, we need to change the configuration files of the JSF application. The files can be located under web-INF folder. Add the following bean property to it.

<managed-bean> 
   <managed-bean-name>skinBean</managed-bean-name> 
   <managed-bean-class>SkinBean</managed-bean-class>> 
   <managed-bean-scope>session</managed-bean-scope> 
   
   <managed-property> 
      <property-name>skin</property-name> 
      <value>plain</value> 
   </managed-property> 
</managed-bean>

Following is the xhtml file code.

<?xml version = "1.0" encoding = "UTF-8"?>  
<!DOCTYPE html> 
<html xmlns = "http://www.w3.org/1999/xhtml"   
   xmlns:h = "http://java.sun.com/jsf/html" 
   xmlns:a4j = "http://richfaces.org/a4j" 
   xmlns:f = "http://java.sun.com/jsf/core" 
   xmlns:rich = "http://richfaces.org/rich">
   
   <h:head> 
      <title>TODO supply a title</title> 
   </h:head> 
   
   <h:body> 
      <h:form> 
         <div style = "display: block; float: left"> 
            <h:selectOneRadio value = "#{skinBean.skin}" border = "0" 
               layout = "pageDirection" title = "Changing skin" style = "font-size: 8; 
               font-family: comic" onchange = "submit()"> 
               <f:selectItem itemLabel = "plain" itemValue = "plain" /> 
               <f:selectItem itemLabel = "emeraldTown" itemValue = "emeraldTown" /> 
               <f:selectItem itemLabel = "blueSky" itemValue = "blueSky" /> 
               <f:selectItem itemLabel = "wine" itemValue = "wine" /> 
               <f:selectItem itemLabel = "japanCherry" itemValue = "japanCherry" /> 
               <f:selectItem itemLabel = "ruby" itemValue = "ruby" /> 
               <f:selectItem itemLabel = "deepMarine" itemValue = "deepMarine" /> 
            </h:selectOneRadio> 
         </div> 
         
         <div style = "display: block; float: left"> 
            <rich:panel > 
               <rich:panelMenu style = "font-family: monospace; font-size: 12;"> 
                  Changing skin in runtime 
               </rich:panelMenu> 
  
               <rich:panelMenu  style = "font-family: monospace; font-size: 12;"> 
                  This is a result of the modification "blueSky" skin 
               </rich:panelMenu> 
            </rich:panel> 
         </div> 
      </h:form> 
   </h:body> 
   
</html>      

The above piece of code will produce the following output in the browser.

Plain

In the above example, initially we are selecting “plain”, hence it is pointing to plain. Once you propagate through the radio button, it will change the color accordingly.



Advertisements
E-Books Store