[jbosstools-dev] In VPE was added support for taglibs versions

[Max Areshkau]

Max Rydahl Andersen wrote:
>> Yes, It's possible.
>>     
>
> ok, so but wouldn't it make more sense to add it as a seperate tag instead of string based function embedded into an attribute of vpe:if ?
>
> -max
>
>   
By my opinion no, because in VPE already exists some examples of using 
vpe:if for testing various conditions, for examples:
Example 1:
    <vpe:tag name="h:graphicImage" case-sensitive="yes">
            <vpe:if test="attrpresent('value')">
Example 2:
    <vpe:if test="(@disabled='true')">
            <vpe:template children="yes" modify="yes">
Examples 3:
        <vpe:if test="@disabled='on'">
            <vpe:template children="no" modify="no">
Example 4:
    <vpe:tag name="img" case-sensitive="no">
        <!-- in this case the tag is a facelets's tag -->
        <vpe:if test="attrpresent('jsfc')" >
            <vpe:template children="no" modify="no">
But  I haven't founded not  one tag  which  used for filter 
functionality, except vpe:if, so I think it better to use vpe:if for 
filtering templates using various
functions like tld_version, attrpresent and others.
>>>> In VPE was added support for taglib versions
>>>> see(http://jira.jboss.com/jira/browse/JBIDE-1466).
>>>> Checks for versions was resolved in
>>>> org.jboss.tools.vpe.editor.template.expression.VpeFunctionTldVersionCheck
>>>> class.
>>>> Here some examples how it's can be used in template configuration file:
>>>> Example 1:
>>>>      <vpe:tag name="f:testTldVersion" case-sensitive="yes">
>>>>          <vpe:if test="tld_version('min=0.0 max=1.2')" >
>>>>          <vpe:template children="yes" modify="yes">
>>>>              <div  style="background-color:red">
>>>>              Tld Check function
>>>>              </div>
>>>>          </vpe:template>
>>>>          </vpe:if>
>>>>      </vpe:tag>
>>>>  Example 2:
>>>>      <vpe:tag name="f:testTldVersion" case-sensitive="yes">
>>>>          <vpe:if test="tld_version('min=0.0')" >
>>>>          <vpe:template children="yes" modify="yes">
>>>>              <div  style="background-color:red">
>>>>              Tld Check function
>>>>              </div>
>>>>          </vpe:template>
>>>>         </vpe:if>
>>>>     </vpe:tag>
>>>>  Example 3:
>>>>  <vpe:tag name="f:testTldVersion" case-sensitive="yes">
>>>>          <vpe:if test="tld_version('max=1.2')" >
>>>>          <vpe:template children="yes" modify="yes">
>>>>              <div  style="background-color:red">
>>>>              Tld Check function
>>>>              </div>
>>>>          </vpe:template>
>>>>          </vpe:if>
>>>>     </vpe:tag>
>>>> Function tld_version() checks for taglib version in projects, here can
>>>> be 2 parametrs:
>>>> 1) 'min' -  minimal taglib  version
>>>> 2) 'max' - maximal taglib version
>>>> In function can' be specified only one paramter 'min'  or 'max'.
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>>>>
>>>>
>>>>         
>>>
>>>
>>>       
>>     
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