Re: Dexterity - TAL Expression to Display Images from Blobstorage

Hi

I think you need to use another syntax for a dexterity image field: Try this:

 <img src="" alt=""  
     tal:condition="context/image|nothing"
          tal:define="scales context/@@images;
          scale python:scales.scale('image', 'mini')"
           tal:replace="structure python:scale and scale.tag(css_class='myImage') or None" />
  
Where ‘image’ is the name of your image field (if your field has another name, it would be something like:
          scale python:scales.scale(‘my_image', 'mini')"

Espen


6. des. 2014 kl. 12:49 skrev andreasma [via Plone] <ml-node+s293351n7572982h95-PKuAHvtXa09l57MIdRCFDg@public.gmane.org>:

> Hi Asko, 
> 
> edited the wrong view-template. Now with the correct one. 
> 
> Am 06.12.2014 um 11:51 schrieb Andreas Mantke:
> 
> > Hi Asko, 
> > 
> > Am 06.12.2014 um 11:24 schrieb Asko Soukka: 
> >> Hi Andreas, 
> >> 
> >> have tried the following methods (included in Plone by default): 
> >> 
> >>     https://pypi.python.org/pypi/plone.app.imaging
> >> 
> >> e.g. 
> >> 
> >>     img tal:replace="structure context/@@images/image/mini" /> 
> >> 
> >> where 'image' is the fieldname. 
> >>
> But that doesn't works either. 
> 
> Traceback: 
> 
> Module zope.tal.talinterpreter, line 742, in do_insertStructure_tal 
>   Module Products.PageTemplates.Expressions, line 218, in evaluateStructure 
>   Module zope.tales.tales, line 696, in evaluate 
>    - URL: /home/andi/Plone/libotemplatecenter/src/tdf.extensionsuploadcenter/src/tdf/extensionsuploadcenter/eupproject_templates/view.pt 
>    - Line 42, Column 8 
>    - Expression: <PathExpr standard:u'context/@@images/project_logo/mini'> 
>    - Names: 
>       {'args': (), 
>        'container': <Container at /softwarecentertest/en/extensions/bundesgit-for-libreoffice>, 
>        'context': <Container at /softwarecentertest/en/extensions/bundesgit-for-libreoffice>, 
>        'default': <object object at 0x7f94611ba500>, 
>        'here': <Container at /softwarecentertest/en/extensions/bundesgit-for-libreoffice>, 
>        'loop': {}, 
>        'nothing': None, 
>        'options': {}, 
>        'repeat': <Products.PageTemplates.Expressions.SafeMapping object at 0x7f944c9350a8>, 
>        'request': <HTTPRequest, URL=http://localhost:9095/softwarecentertest/en/extensions/bundesgit-for-libreoffice/view>, 
>        'root': <Application at >, 
>        'static': <Products.Five.metaclass.DirectoryResource28 object at 0x7f94446730d0>, 
>        'template': <Products.Five.browser.pagetemplatefile.ViewPageTemplateFile object at 0x996d210>, 
>        'traverse_subpath': [], 
>        'user': <PropertiedUser 'admin'>, 
>        'view': <tdf.extensionsuploadcenter.eupproject.View object at 0x7f9444673190>, 
>        'views': <Products.Five.browser.pagetemplatefile.ViewMapper object at 0x7f9444657a10>} 
>   Module zope.tales.expressions, line 217, in __call__ 
>   Module Products.PageTemplates.Expressions, line 147, in _eval 
>   Module zope.tales.expressions, line 124, in _eval 
>   Module Products.PageTemplates.Expressions, line 97, in trustedBoboAwareZopeTraverse 
>   Module zope.traversing.adapters, line 136, in traversePathElement 
>    - __traceback_info__: (<plone.namedfile.scaling.ImmutableTraverser object at 0x7f9444668190>, 'mini') 
>   Module plone.namedfile.scaling, line 126, in traverse 
> LocationError: 'mini' 
> 
> 
> --- end of Traceback --------------- 
> 
> 
> Seemed there is an issue with the image scaling product? I could see image handling inside the configuration page and there is also an entry for mini. I tried also with no success the 'icon' tag. 
> 
> Kind regards, 
> 
> Andreas 
> 
> -- 
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