[Zope-Checkins] CVS: Zope3/lib/python/Zope/App/Publisher/Browser - IconDirective.py:1.1 meta.zcml:1.3

[Jim Fulton]

Update of /cvs-repository/Zope3/lib/python/Zope/App/Publisher/Browser
In directory cvs.zope.org:/tmp/cvs-serv8329/lib/python/Zope/App/Publisher/Browser

Modified Files:
	meta.zcml 
Added Files:
	IconDirective.py 
Log Message:
Changed 

  <zmi:icon for=".IFoo." file="splat.gif" />

to:

  <browser:icon name="zmi_icon" for=".IFoo." file="splat.gif" />



=== Added File Zope3/lib/python/Zope/App/Publisher/Browser/IconDirective.py ===
##############################################################################
#
# Copyright (c) 2001, 2002 Zope Corporation and Contributors.
# All Rights Reserved.
# 
# This software is subject to the provisions of the Zope Public License,
# Version 2.0 (ZPL).  A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
# 
##############################################################################
"""

$Id: IconDirective.py,v 1.1 2002/06/18 20:33:33 jim Exp $
"""
import os
import re

from Zope.App.ComponentArchitecture.metaConfigure import handler
from Zope.Configuration.Action import Action
from Zope.ComponentArchitecture import getResource
from Zope.App.Publisher.Browser.metaConfigure import resource
from Zope.App.Traversing.GetResource import getResource
from Zope.Publisher.Browser.IBrowserPresentation import IBrowserPresentation

IName = re.compile('I[A-Z][a-z]')

class IconView:

    def __init__(self, context, request, rname, alt):
        self.context = context
        self.request = request
        self.rname = rname
        self.alt = alt
        
    def __call__(self):
        resource = getResource(self.context, self.rname, self.request)
        src = resource()
        
        return ('<img src="%s" alt="%s" width="16" height="16" border="0" />'
                % (src, self.alt))

class IconViewFactory:

    def __init__(self, rname, alt):
        self.rname = rname
        self.alt = alt

    def __call__(self, context, request):
        return IconView(context, request, self.rname, self.alt)

def IconDirective(_context, name, for_, file, layer='default',
                  alt=None):

    for_ = _context.resolve(for_)
    iname = for_.__name__

    if alt is None:
        alt = iname    
        if IName.match(alt):
            alt = alt[1:] # Remove leading 'I'

    rname = '-'.join(for_.__module__.split('.'))
    rname = "%s-%s-%s" % (rname, iname, name)

    ext = os.path.splitext(file)[1]
    if ext:
        rname += ext
    
    vfactory = IconViewFactory(rname, alt)

    return resource(_context, image=file, name=rname, layer=layer)() + [
        Action(
        discriminator = ('view', name, vfactory, layer),
        callable = handler,
        args = ('Views', 'provideView',
                for_, name, IBrowserPresentation,
                vfactory, layer)),
        
        ]
    
    


=== Zope3/lib/python/Zope/App/Publisher/Browser/meta.zcml 1.2 => 1.3 ===
     </directive>
 
+    <directive name="icon" attributes="name for file image alt layer"
+               handler="Zope.App.Publisher.Browser.IconDirective." />
+
   </directives>
 
 </zopeConfigure>