add displayValueOnly attribute to all richfaces components
----------------------------------------------------------
Key: RF-8247
URL: https://jira.jboss.org/jira/browse/RF-8247
Project: RichFaces
Issue Type: Feature Request
Security Level: Public (Everyone can see)
Environment: ALL
Reporter: Dave Chen
A compont can be editing mode for users to input data, or in showing mode for
display values only.
Attribute "displayValueOnly" will reduce JSF page size and memory size, and
simplify programming.
For example: for pickList, we have to use two components: one for editing, and
one for showing:
<rich:pickList rendered="#{bean.isEditing}"
value="#{bean.values}" >
<f:selectItems value="#{bean.selectItems}"/>
</rich:pickList>
<h:outputText rendered="#{!bean.isEditing}" value="#{bean.valuesAsString}" />
After adding displayValueOnly, one component will be sufficient, very clean.
<rich:pickList rendered="#{bean.isEditing}"
value="#{bean.values}" displayValueOnly="#{!bean.isEditing}" >
<f:selectItems value="#{bean.selectItems}"/>
</rich:pickList>
This applies to all components.
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