[Chameleon-dev] [Bug 990] New: [Chameleon - Core] add capbaility to load language resource files

[bugzilla-daemon at maptools.org]

http://www.maptools.org/bugzilla/show_bug.cgi?id=990

           Summary: [Chameleon - Core] add capbaility to load language
                    resource files
           Product: Chameleon
           Version: 2.2
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: Core
        AssignedTo: chameleon-dev at lists.maptools.org
        ReportedBy: pspencer at dmsolutions.ca


this is a small enhancement to provide a hook in the chameleon core to load
language-specific resource files.  Resource files are php scripts that provide a
loadResources($oApp) function that does the actual loading.

Modifications are:
* add a new array maszResourceFiles to Chameleon to keep a single resource file
per language
* modify CWCAddRegionalTemplate to accept optional third parameter that
specifies the resource file
* modify CWCSetTemplate to include resource file and invoke loadResource
function if a resource file is set for the current template

Modifications will be done so that it everything will work exactly the same if
no resource file is provided.  This provides the flexibility to use a single
template or multiple templates and manage translations either in the template or
in a separate file.

The initial intent is to have the loadResources() function insert
language-specific values using setVar so that template translation can be done
using [$str1|English$] type of syntax, removing the need for duplicated templates

In this model, the index.phtml file will contain:

$oApp->CWCAddRegionalTemplate( 'en-CA', 'sample_bilingual.html',
'resource_en.php' );
$oApp->CWCAddRegionalTemplate( 'en-CA', 'sample_bilingual.html',
'resource_fr.php' );

resource_en.php contains:

<?php

function loadResources( $oApp )
{
    $aRes['str1'] = 'English';
    $aRes['str2'] = 'fr-CA';
    $aRes['str3'] = 'French';
    
    foreach($aRes as $key=>$val)
    {
        $oApp->setVar($key, $val);
    }
}
?>

resource_fr.php contains:

<?php

function loadResources($oApp)
{
    $aRes['str1'] = 'French';
    $aRes['str2'] = 'en-CA';
    $aRes['str3'] = 'English';

    
    foreach($aRes as $key=>$val)
    {
        $oApp->setVar($key, $val);
    }
}
?>

and the template contains

current: [$str1|English$]
switch to: <a href="javascript:setLanguage('[$str2|fr-CA$]')">[$str3|French$]</a>



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