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POAdd "tag" method to ATEvent
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8975005
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8982666
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CreationDate
2012-01-23T16:29:12.207
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2012-01-24T06:06:07.313
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I use archetypes.schemaextender to extend the schema of ATEvent in order to add an ImageField. That works. Now, I want to add the "tag" method to the ATEvent in order to use the "new" way of scaling images. So I do this : In a file extender.py : <pre><code>from Products.CMFCore.permissions import View from AccessControl import ClassSecurityInfo from zope.interface import Interface class IImageExtender(Interface): """ """ def tag(): """ """ class ImageExtender(object): """ """ implements(IImageExtender) security = ClassSecurityInfo() def __init__(self, context): self.context = context security.declareProtected(View, 'tag') def tag(self, **kwargs): """Generate image tag using the api of the ImageField """ return self.getField('image').tag(self, **kwargs) </code></pre> After that in the configure.zcml: <pre><code><adapter for="Products.ATContentTypes.interface.IATEvent" provides=".extender.IImageExtender" factory=".extender.ImageExtender" /> </code></pre> But it doesn't work. I get those errors : <pre><code>Module zope.tales.pythonexpr, line 59, in __call__ - __traceback_info__: ( path('nocall:item_object/tag')(scale=size, css_class='tileImage')) Module <string>, line 1, in <module> Module zope.tales.pythonexpr, line 77, in __call__ Module zope.tales.expressions, line 217, in __call__ Module zope.tales.expressions, line 194, in _eval Module zope.tales.expressions, line 217, in __call__ Module zope.tales.expressions, line 194, in _eval Module zope.tales.expressions, line 124, in _eval Module zope.pagetemplate.engine, line 66, in __call__ Module zope.traversing.adapters, line 136, in traversePathElement - __traceback_info__: (<ATEvent at /Plone/manifestations/visites-conferences/conf>, 'tag') Module zope.traversing.adapters, line 50, in traverse - __traceback_info__: (<ATEvent at /Plone/manifestations/visites-conferences/conf>, 'tag', []) LocationError: (<ATEvent at /Plone/manifestations/visites-conferences/conf>, 'tag') </code></pre> Any clues ? Thanks.
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<plone><adapter>
Title
Add "tag" method to ATEvent
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1. PO
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1. USJihaisse
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