| 1 | ## $Id: hrefwidget.py 12288 2014-12-21 17:01:15Z henrik $ |
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| 2 | ## |
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| 3 | ## Copyright (C) 2012 Uli Fouquet & Henrik Bettermann |
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| 4 | ## This program is free software; you can redistribute it and/or modify |
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| 5 | ## it under the terms of the GNU General Public License as published by |
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| 6 | ## the Free Software Foundation; either version 2 of the License, or |
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| 7 | ## (at your option) any later version. |
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| 8 | ## |
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| 9 | ## This program is distributed in the hope that it will be useful, |
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| 10 | ## but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 12 | ## GNU General Public License for more details. |
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| 13 | ## |
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| 14 | ## You should have received a copy of the GNU General Public License |
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| 15 | ## along with this program; if not, write to the Free Software |
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| 16 | ## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 17 | ## |
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| 18 | """A widget that renders a persistent object title inside an anchor element |
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| 19 | referring to the object. |
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| 20 | """ |
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| 21 | import grok |
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| 22 | from zope.formlib.widget import DisplayWidget |
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| 23 | |
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| 24 | |
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| 25 | class HREFDisplayWidget(DisplayWidget): |
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| 26 | |
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| 27 | def __call__(self): |
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| 28 | if self._renderedValueSet(): |
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| 29 | title = getattr(self._data, 'title', '') |
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| 30 | name = getattr(self._data, '__name__', '') |
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| 31 | if not name: |
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| 32 | return '' |
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| 33 | url = grok.url(self.request, self._data) |
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| 34 | else: |
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| 35 | return '' |
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| 36 | return '<a href="%s">%s - %s</a>' % (url, name, title) |
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