view.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Tue, 18 May 2010 10:28:50 +0200
branchstable
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permissions -rw-r--r--
[dtd] add unselimg attribute use by widget for HasRelationFacet
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# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
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# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
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#
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# This file is part of CubicWeb.
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#
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# CubicWeb is free software: you can redistribute it and/or modify it under the
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# terms of the GNU Lesser General Public License as published by the Free
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# Software Foundation, either version 2.1 of the License, or (at your option)
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# any later version.
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#
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# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License along
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# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
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"""abstract views and templates classes for CubicWeb web client"""
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__docformat__ = "restructuredtext en"
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_ = unicode
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from cStringIO import StringIO
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from warnings import warn
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from cubicweb.utils import json
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from logilab.common.deprecation import deprecated
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from logilab.mtconverter import xml_escape
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from rql import nodes
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from cubicweb import NotAnEntity
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from cubicweb.selectors import yes, non_final_entity, nonempty_rset, none_rset
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from cubicweb.appobject import AppObject
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from cubicweb.utils import UStringIO, HTMLStream
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from cubicweb.schema import display_name
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# robots control
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NOINDEX = u'<meta name="ROBOTS" content="NOINDEX" />'
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NOFOLLOW = u'<meta name="ROBOTS" content="NOFOLLOW" />'
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CW_XHTML_EXTENSIONS = '''[
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  <!ATTLIST html xmlns:cubicweb CDATA  #FIXED \'http://www.logilab.org/2008/cubicweb\'  >
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<!ENTITY % coreattrs
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 "id          ID            #IMPLIED
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  class       CDATA         #IMPLIED
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  style       CDATA         #IMPLIED
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  title       CDATA         #IMPLIED
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 cubicweb:accesskey         CDATA   #IMPLIED
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 cubicweb:actualrql         CDATA   #IMPLIED
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 cubicweb:dataurl           CDATA   #IMPLIED
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 cubicweb:displayactions    CDATA   #IMPLIED
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 cubicweb:facetName         CDATA   #IMPLIED
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 cubicweb:facetargs         CDATA   #IMPLIED
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 cubicweb:fallbackvid       CDATA   #IMPLIED
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 cubicweb:fname             CDATA   #IMPLIED
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 cubicweb:initfunc          CDATA   #IMPLIED
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 cubicweb:inputid           CDATA   #IMPLIED
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 cubicweb:inputname         CDATA   #IMPLIED
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 cubicweb:limit             CDATA   #IMPLIED
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 cubicweb:loadtype          CDATA   #IMPLIED
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 cubicweb:loadurl           CDATA   #IMPLIED
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 cubicweb:maxlength         CDATA   #IMPLIED
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 cubicweb:required          CDATA   #IMPLIED
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 cubicweb:rooteid           CDATA   #IMPLIED
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 cubicweb:rql               CDATA   #IMPLIED
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 cubicweb:size              CDATA   #IMPLIED
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 cubicweb:sortvalue         CDATA   #IMPLIED
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 cubicweb:target            CDATA   #IMPLIED
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 cubicweb:tindex            CDATA   #IMPLIED
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 cubicweb:tlunit            CDATA   #IMPLIED
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 cubicweb:type              CDATA   #IMPLIED
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 cubicweb:unselimg          CDATA   #IMPLIED
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 cubicweb:uselabel          CDATA   #IMPLIED
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 cubicweb:value             CDATA   #IMPLIED
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 cubicweb:variables         CDATA   #IMPLIED
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 cubicweb:vid               CDATA   #IMPLIED
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 cubicweb:wdgtype           CDATA   #IMPLIED
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  "> ] '''
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TRANSITIONAL_DOCTYPE = u'<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" %s>\n' % CW_XHTML_EXTENSIONS
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TRANSITIONAL_DOCTYPE_NOEXT = u'<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">\n'
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STRICT_DOCTYPE = u'<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd" %s>\n' % CW_XHTML_EXTENSIONS
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STRICT_DOCTYPE_NOEXT = u'<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">\n'
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# base view object ############################################################
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class View(AppObject):
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    """abstract view class, used as base for every renderable object such
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    as views, templates, some components...web
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    A view is instantiated to render a [part of a] result set. View
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    subclasses may be parametred using the following class attributes:
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    * `templatable` indicates if the view may be embeded in a main
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      template or if it has to be rendered standalone (i.e. XML for
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      instance)
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    * if the view is not templatable, it should set the `content_type` class
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      attribute to the correct MIME type (text/xhtml by default)
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    * the `category` attribute may be used in the interface to regroup related
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      objects together
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    At instantiation time, the standard `_cw`, and `cw_rset` attributes are
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    added and the `w` attribute will be set at rendering time to a write
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    function to use.
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    """
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    __registry__ = 'views'
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    templatable = True
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    # content_type = 'application/xhtml+xml' # text/xhtml'
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    binary = False
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    add_to_breadcrumbs = True
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    category = 'view'
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    @property
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    @deprecated('[3.6] need_navigation is deprecated, use .paginable')
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    def need_navigation(self):
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        return True
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    @property
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    def paginable(self):
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        if not isinstance(self.__class__.need_navigation, property):
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            warn('[3.6] %s.need_navigation is deprecated, use .paginable'
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                 % self.__class__, DeprecationWarning)
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            return self.need_navigation
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        return True
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    def __init__(self, req=None, rset=None, **kwargs):
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        super(View, self).__init__(req, rset=rset, **kwargs)
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        self.w = None
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    @property
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    def content_type(self):
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        return self._cw.html_content_type()
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    def set_stream(self, w=None):
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        if self.w is not None:
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            return
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        if w is None:
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            if self.binary:
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                self._stream = stream = StringIO()
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            else:
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                self._stream = stream = UStringIO()
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            w = stream.write
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        else:
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            stream = None
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        self.w = w
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        return stream
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    # main view interface #####################################################
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    def render(self, w=None, **context):
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        """called to render a view object for a result set.
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        This method is a dispatched to an actual method selected
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        according to optional row and col parameters, which are locating
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        a particular row or cell in the result set:
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        * if row is specified, `cell_call` is called
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        * if none of them is supplied, the view is considered to apply on
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          the whole result set (which may be None in this case), `call` is
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          called
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        """
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        row = context.get('row')
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        if row is not None:
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            context.setdefault('col', 0)
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            view_func = self.cell_call
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        else:
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            view_func = self.call
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        stream = self.set_stream(w)
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        # stream = self.set_stream(context)
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        view_func(**context)
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        # return stream content if we have created it
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        if stream is not None:
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            return self._stream.getvalue()
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    def tal_render(self, template, variables):
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        """render a precompiled page template with variables in the given
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        dictionary as context
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        """
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        from cubicweb.ext.tal import CubicWebContext
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        context = CubicWebContext()
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        context.update({'self': self, 'rset': self.cw_rset, '_' : self._cw._,
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                        'req': self._cw, 'user': self._cw.user})
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        context.update(variables)
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        output = UStringIO()
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        template.expand(context, output)
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        return output.getvalue()
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    dispatch = deprecated('[3.4] .dispatch is deprecated, use .render')(render)
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    # should default .call() method add a <div classs="section"> around each
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    # rset item
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    add_div_section = True
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    def call(self, **kwargs):
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        """the view is called for an entire result set, by default loop
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        other rows of the result set and call the same view on the
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        particular row
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        Views applicable on None result sets have to override this method
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        """
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        rset = self.cw_rset
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        if rset is None:
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            raise NotImplementedError, (self, "an rset is required")
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        wrap = self.templatable and len(rset) > 1 and self.add_div_section
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        # XXX propagate self.extra_kwars?
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        for i in xrange(len(rset)):
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            if wrap:
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                self.w(u'<div class="section">')
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            self.wview(self.__regid__, rset, row=i, **kwargs)
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            if wrap:
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                self.w(u"</div>")
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    def cell_call(self, row, col, **kwargs):
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        """the view is called for a particular result set cell"""
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        raise NotImplementedError, self
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    def linkable(self):
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        """return True if the view may be linked in a menu
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        by default views without title are not meant to be displayed
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        """
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        if not getattr(self, 'title', None):
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            return False
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        return True
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    def is_primary(self):
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        return self.cw_extra_kwargs.get('is_primary', self.__regid__ == 'primary')
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0
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    def url(self):
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        """return the url associated with this view. Should not be
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        necessary for non linkable views, but a default implementation
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        is provided anyway.
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        """
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        rset = self.cw_rset
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        if rset is None:
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            return self._cw.build_url('view', vid=self.__regid__)
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        coltypes = rset.column_types(0)
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        if len(coltypes) == 1:
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            etype = iter(coltypes).next()
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   244
            if not self._cw.vreg.schema.eschema(etype).final:
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   245
                if len(rset) == 1:
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   246
                    entity = rset.get_entity(0, 0)
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   247
                    return entity.absolute_url(vid=self.__regid__)
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   248
            # don't want to generate /<etype> url if there is some restriction
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   249
            # on something else than the entity type
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   250
            restr = rset.syntax_tree().children[0].where
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parents: 2418
diff changeset
   251
            # XXX norestriction is not correct here. For instance, in cases like
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   252
            # "Any P,N WHERE P is Project, P name N" norestriction should equal
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parents: 2418
diff changeset
   253
            # True
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   254
            norestriction = (isinstance(restr, nodes.Relation) and
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diff changeset
   255
                             restr.is_types_restriction())
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diff changeset
   256
            if norestriction:
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   257
                return self._cw.build_url(etype.lower(), vid=self.__regid__)
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   258
        return self._cw.build_url('view', rql=rset.printable_rql(), vid=self.__regid__)
0
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   260
    def set_request_content_type(self):
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   261
        """set the content type returned by this view"""
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diff changeset
   262
        self._cw.set_content_type(self.content_type)
0
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   263
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   264
    # view utilities ##########################################################
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sylvain.thenault@logilab.fr
parents: 1432
diff changeset
   265
1985
9c1db4e06095 move view method's logic on the registry, so it's easier to call it from outside an appobject. Also make rset argument optional
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   266
    def wview(self, __vid, rset=None, __fallback_vid=None, **kwargs):
0
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        """shortcut to self.view method automatically passing self.w as argument
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   268
        """
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diff changeset
   269
        self._cw.view(__vid, rset, __fallback_vid, w=self.w, **kwargs)
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parents: 1432
diff changeset
   270
819
7fd66f389ef7 fix w/ template drop
sylvain.thenault@logilab.fr
parents: 816
diff changeset
   271
    # XXX Template bw compat
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   272
    template = deprecated('[3.4] .template is deprecated, use .view')(wview)
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    def whead(self, data):
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   275
        self._cw.html_headers.write(data)
0
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   277
    def wdata(self, data):
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   278
        """simple helper that escapes `data` and writes into `self.w`"""
2312
af4d8f75c5db use xml_escape
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2217
diff changeset
   279
        self.w(xml_escape(data))
0
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   280
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   281
    def html_headers(self):
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   282
        """return a list of html headers (eg something to be inserted between
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parents:
diff changeset
   283
        <head> and </head> of the returned page
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parents:
diff changeset
   284
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   285
        by default return a meta tag to disable robot indexation of the page
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diff changeset
   286
        """
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parents:
diff changeset
   287
        return [NOINDEX]
543
c0f2b6378f70 simplification of lazy tabs mechanism
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 522
diff changeset
   288
0
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   289
    def page_title(self):
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   290
        """returns a title according to the result set - used for the
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parents:
diff changeset
   291
        title in the HTML header
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   292
        """
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diff changeset
   293
        vtitle = self._cw.form.get('vtitle')
0
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diff changeset
   294
        if vtitle:
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diff changeset
   295
            return self._cw._(vtitle)
0
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parents:
diff changeset
   296
        # class defined title will only be used if the resulting title doesn't
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   297
        # seem clear enough
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parents:
diff changeset
   298
        vtitle = getattr(self, 'title', None) or u''
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parents:
diff changeset
   299
        if vtitle:
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parents: 3369
diff changeset
   300
            vtitle = self._cw._(vtitle)
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
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parents: 3369
diff changeset
   301
        rset = self.cw_rset
0
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parents:
diff changeset
   302
        if rset and rset.rowcount:
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   303
            if rset.rowcount == 1:
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parents:
diff changeset
   304
                try:
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parents: 3369
diff changeset
   305
                    entity = rset.complete_entity(0, 0)
0
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parents:
diff changeset
   306
                    # use long_title to get context information if any
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   307
                    clabel = entity.dc_long_title()
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   308
                except NotAnEntity:
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6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3369
diff changeset
   309
                    clabel = display_name(self._cw, rset.description[0][0])
0
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diff changeset
   310
                    clabel = u'%s (%s)' % (clabel, vtitle)
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parents:
diff changeset
   311
            else :
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diff changeset
   312
                etypes = rset.column_types(0)
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parents:
diff changeset
   313
                if len(etypes) == 1:
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parents:
diff changeset
   314
                    etype = iter(etypes).next()
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3369
diff changeset
   315
                    clabel = display_name(self._cw, etype, 'plural')
0
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parents:
diff changeset
   316
                else :
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diff changeset
   317
                    clabel = u'#[*] (%s)' % vtitle
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parents:
diff changeset
   318
        else:
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parents:
diff changeset
   319
            clabel = vtitle
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3369
diff changeset
   320
        return u'%s (%s)' % (clabel, self._cw.property_value('ui.site-title'))
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   321
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diff changeset
   322
    def output_url_builder( self, name, url, args ):
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parents:
diff changeset
   323
        self.w(u'<script language="JavaScript"><!--\n' \
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   324
               u'function %s( %s ) {\n' % (name, ','.join(args) ) )
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   325
        url_parts = url.split("%s")
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
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diff changeset
   326
        self.w(u' url="%s"' % url_parts[0] )
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   327
        for arg, part in zip(args, url_parts[1:]):
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parents:
diff changeset
   328
            self.w(u'+str(%s)' % arg )
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   329
            if part:
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parents:
diff changeset
   330
                self.w(u'+"%s"' % part)
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parents:
diff changeset
   331
        self.w('\n document.window.href=url;\n')
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parents:
diff changeset
   332
        self.w('}\n-->\n</script>\n')
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parents:
diff changeset
   333
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diff changeset
   334
    def create_url(self, etype, **kwargs):
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parents:
diff changeset
   335
        """ return the url of the entity creation form for a given entity type"""
3890
d7a270f50f54 backport stable branch (one more time painfully)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3720 3839
diff changeset
   336
        return self._cw.build_url('add/%s' % etype, **kwargs)
0
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parents:
diff changeset
   337
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1b9b51ee543e [web ui] PrimaryView.render_attributes now uses a table
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diff changeset
   338
    def field(self, label, value, row=True, show_label=True, w=None, tr=True, table=False):
1b9b51ee543e [web ui] PrimaryView.render_attributes now uses a table
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diff changeset
   339
        """read-only field"""
0
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diff changeset
   340
        if w is None:
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diff changeset
   341
            w = self.w
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diff changeset
   342
        if table:
1b9b51ee543e [web ui] PrimaryView.render_attributes now uses a table
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 3782
diff changeset
   343
            w(u'<tr class="entityfield">')
1b9b51ee543e [web ui] PrimaryView.render_attributes now uses a table
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parents: 3782
diff changeset
   344
        else:
1b9b51ee543e [web ui] PrimaryView.render_attributes now uses a table
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parents: 3782
diff changeset
   345
            w(u'<div class="entityfield">')
3326
e3089ceee1ea don't show label if no label given
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3010
diff changeset
   346
        if show_label and label:
0
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parents:
diff changeset
   347
            if tr:
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diff changeset
   348
                label = display_name(self._cw, label)
3809
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parents: 3782
diff changeset
   349
            if table:
1b9b51ee543e [web ui] PrimaryView.render_attributes now uses a table
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 3782
diff changeset
   350
                w(u'<th>%s</th>' % label)
1b9b51ee543e [web ui] PrimaryView.render_attributes now uses a table
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 3782
diff changeset
   351
            else:
3839
84c9aab84d8c missing space between label and value
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3809
diff changeset
   352
                w(u'<span>%s</span> ' % label)
3809
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Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 3782
diff changeset
   353
        if table:
3969
970a748684b5 when fields are displayed in a table and label should'nt be displayed, set colspan to 2 on the field value cell
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3839
diff changeset
   354
            if not (show_label and label):
970a748684b5 when fields are displayed in a table and label should'nt be displayed, set colspan to 2 on the field value cell
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3839
diff changeset
   355
                w(u'<td colspan="2">%s</td></tr>' % value)
970a748684b5 when fields are displayed in a table and label should'nt be displayed, set colspan to 2 on the field value cell
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3839
diff changeset
   356
            else:
970a748684b5 when fields are displayed in a table and label should'nt be displayed, set colspan to 2 on the field value cell
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3839
diff changeset
   357
                w(u'<td>%s</td></tr>' % value)
3809
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Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 3782
diff changeset
   358
        else:
1b9b51ee543e [web ui] PrimaryView.render_attributes now uses a table
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 3782
diff changeset
   359
            w(u'<span>%s</span></div>' % value)
1433
091ac3ba5d51 remove trailing white spaces
sylvain.thenault@logilab.fr
parents: 1432
diff changeset
   360
0
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parents:
diff changeset
   361
543
c0f2b6378f70 simplification of lazy tabs mechanism
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parents: 522
diff changeset
   362
640
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 635
diff changeset
   363
# concrete views base classes #################################################
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 635
diff changeset
   364
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 635
diff changeset
   365
class EntityView(View):
843
5676811ef760 cleanup
sylvain.thenault@logilab.fr
parents: 822
diff changeset
   366
    """base class for views applying on an entity (i.e. uniform result set)"""
781
323656dd85a9 fix import, use non_final_entity instead of implements('Any')
sylvain.thenault@logilab.fr
parents: 757
diff changeset
   367
    __select__ = non_final_entity()
640
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 635
diff changeset
   368
    category = 'entityview'
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 635
diff changeset
   369
8e64f12be69c drop EntityAction usage in cw, upgrade rql_condition and friends
sylvain.thenault@logilab.fr
parents: 635
diff changeset
   370
0
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parents:
diff changeset
   371
class StartupView(View):
843
5676811ef760 cleanup
sylvain.thenault@logilab.fr
parents: 822
diff changeset
   372
    """base class for views which doesn't need a particular result set to be
5676811ef760 cleanup
sylvain.thenault@logilab.fr
parents: 822
diff changeset
   373
    displayed (so they can always be displayed !)
0
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parents:
diff changeset
   374
    """
707
21a59b468f1a __selectors__ -> __select__
sylvain.thenault@logilab.fr
parents: 700
diff changeset
   375
    __select__ = none_rset()
1433
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sylvain.thenault@logilab.fr
parents: 1432
diff changeset
   376
0
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parents:
diff changeset
   377
    category = 'startupview'
1433
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sylvain.thenault@logilab.fr
parents: 1432
diff changeset
   378
0
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   379
    def html_headers(self):
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parents:
diff changeset
   380
        """return a list of html headers (eg something to be inserted between
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   381
        <head> and </head> of the returned page
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   382
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   383
        by default startup views are indexed
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   384
        """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   385
        return []
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   386
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   387
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   388
class EntityStartupView(EntityView):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   389
    """base class for entity views which may also be applied to None
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   390
    result set (usually a default rql is provided by the view class)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   391
    """
781
323656dd85a9 fix import, use non_final_entity instead of implements('Any')
sylvain.thenault@logilab.fr
parents: 757
diff changeset
   392
    __select__ = none_rset() | non_final_entity()
543
c0f2b6378f70 simplification of lazy tabs mechanism
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 522
diff changeset
   393
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   394
    default_rql = None
543
c0f2b6378f70 simplification of lazy tabs mechanism
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 522
diff changeset
   395
2418
8f06e4f02733 optional rset
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2312
diff changeset
   396
    def __init__(self, req, rset=None, **kwargs):
2890
fdcb8a2bb6eb fix __init__ parameters
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2822
diff changeset
   397
        super(EntityStartupView, self).__init__(req, rset=rset, **kwargs)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   398
        if rset is None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   399
            # this instance is not in the "entityview" category
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   400
            self.category = 'startupview'
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Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   401
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   402
    def startup_rql(self):
873
3d9df99b0bfa cleanup
sylvain.thenault@logilab.fr
parents: 843
diff changeset
   403
        """return some rql to be executed if the result set is None"""
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   404
        return self.default_rql
543
c0f2b6378f70 simplification of lazy tabs mechanism
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 522
diff changeset
   405
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   406
    def call(self, **kwargs):
873
3d9df99b0bfa cleanup
sylvain.thenault@logilab.fr
parents: 843
diff changeset
   407
        """override call to execute rql returned by the .startup_rql method if
3d9df99b0bfa cleanup
sylvain.thenault@logilab.fr
parents: 843
diff changeset
   408
        necessary
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   409
        """
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3369
diff changeset
   410
        rset = self.cw_rset
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3369
diff changeset
   411
        if rset is None:
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3369
diff changeset
   412
            rset = self.cw_rset = self._cw.execute(self.startup_rql())
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   413
        for i in xrange(len(rset)):
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3369
diff changeset
   414
            self.wview(self.__regid__, rset, row=i, **kwargs)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   415
543
c0f2b6378f70 simplification of lazy tabs mechanism
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 522
diff changeset
   416
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   417
class AnyRsetView(View):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   418
    """base class for views applying on any non empty result sets"""
707
21a59b468f1a __selectors__ -> __select__
sylvain.thenault@logilab.fr
parents: 700
diff changeset
   419
    __select__ = nonempty_rset()
543
c0f2b6378f70 simplification of lazy tabs mechanism
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 522
diff changeset
   420
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   421
    category = 'anyrsetview'
543
c0f2b6378f70 simplification of lazy tabs mechanism
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 522
diff changeset
   422
2203
efdd3a9f9028 update to new rql get_description api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1999
diff changeset
   423
    def columns_labels(self, mainindex=0, tr=True):
370
7e76f651314b fix rset xml view
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 369
diff changeset
   424
        if tr:
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3369
diff changeset
   425
            translate = lambda val, req=self._cw: display_name(req, val)
370
7e76f651314b fix rset xml view
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 369
diff changeset
   426
        else:
2207
5fad58e603f4 fix translate argument
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2203
diff changeset
   427
            translate = lambda val: val
2203
efdd3a9f9028 update to new rql get_description api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1999
diff changeset
   428
        # XXX [0] because of missing Union support
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3369
diff changeset
   429
        rqlstdescr = self.cw_rset.syntax_tree().get_description(mainindex,
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3369
diff changeset
   430
                                                                translate)[0]
369
c8a6edc224bb new rsetxml view, reusing most code from csvexport view
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 361
diff changeset
   431
        labels = []
2203
efdd3a9f9028 update to new rql get_description api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1999
diff changeset
   432
        for colindex, label in enumerate(rqlstdescr):
369
c8a6edc224bb new rsetxml view, reusing most code from csvexport view
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 361
diff changeset
   433
            # compute column header
2203
efdd3a9f9028 update to new rql get_description api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1999
diff changeset
   434
            if label == 'Any': # find a better label
2207
5fad58e603f4 fix translate argument
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2203
diff changeset
   435
                label = ','.join(translate(et)
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3369
diff changeset
   436
                                 for et in self.cw_rset.column_types(colindex))
369
c8a6edc224bb new rsetxml view, reusing most code from csvexport view
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 361
diff changeset
   437
            labels.append(label)
c8a6edc224bb new rsetxml view, reusing most code from csvexport view
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 361
diff changeset
   438
        return labels
543
c0f2b6378f70 simplification of lazy tabs mechanism
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 522
diff changeset
   439
1433
091ac3ba5d51 remove trailing white spaces
sylvain.thenault@logilab.fr
parents: 1432
diff changeset
   440
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   441
# concrete template base classes ##############################################
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   442
816
9cd49a910fce kill Template class and 'templates' registry
sylvain.thenault@logilab.fr
parents: 781
diff changeset
   443
class MainTemplate(View):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   444
    """main template are primary access point to render a full HTML page.
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   445
    There is usually at least a regular main template and a simple fallback
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   446
    one to display error if the first one failed
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   447
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   448
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   449
    @property
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   450
    def doctype(self):
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3369
diff changeset
   451
        if self._cw.xhtml_browser():
1421
77ee26df178f doc type handling refactoring: do the ext substitution at the module level
sylvain.thenault@logilab.fr
parents: 1181
diff changeset
   452
            return STRICT_DOCTYPE
77ee26df178f doc type handling refactoring: do the ext substitution at the module level
sylvain.thenault@logilab.fr
parents: 1181
diff changeset
   453
        return STRICT_DOCTYPE_NOEXT
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   454
1424
0a440312913b set_stream simplification
sylvain.thenault@logilab.fr
parents: 1421
diff changeset
   455
    def set_stream(self, w=None):
0a440312913b set_stream simplification
sylvain.thenault@logilab.fr
parents: 1421
diff changeset
   456
        if self.w is not None:
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   457
            return
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   458
        if w is None:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   459
            if self.binary:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   460
                self._stream = stream = StringIO()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   461
            else:
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3369
diff changeset
   462
                self._stream = stream = HTMLStream(self._cw)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   463
            w = stream.write
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   464
        else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   465
            stream = None
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   466
        self.w = w
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   467
        return stream
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   468
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   469
    def write_doctype(self, xmldecl=True):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   470
        assert isinstance(self._stream, HTMLStream)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   471
        self._stream.doctype = self.doctype
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   472
        if not xmldecl:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   473
            self._stream.xmldecl = u''
661
4f61eb8a96b7 properly kill/depreciate component base class, only keep Component
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   474
822
e3d8db01f3f5 test_views fixes
sylvain.thenault@logilab.fr
parents: 819
diff changeset
   475
    def linkable(self):
e3d8db01f3f5 test_views fixes
sylvain.thenault@logilab.fr
parents: 819
diff changeset
   476
        return False
1433
091ac3ba5d51 remove trailing white spaces
sylvain.thenault@logilab.fr
parents: 1432
diff changeset
   477
661
4f61eb8a96b7 properly kill/depreciate component base class, only keep Component
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   478
# concrete component base classes #############################################
4f61eb8a96b7 properly kill/depreciate component base class, only keep Component
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   479
4f61eb8a96b7 properly kill/depreciate component base class, only keep Component
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   480
class ReloadableMixIn(object):
4f61eb8a96b7 properly kill/depreciate component base class, only keep Component
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   481
    """simple mixin for reloadable parts of UI"""
1433
091ac3ba5d51 remove trailing white spaces
sylvain.thenault@logilab.fr
parents: 1432
diff changeset
   482
661
4f61eb8a96b7 properly kill/depreciate component base class, only keep Component
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   483
    def user_callback(self, cb, args, msg=None, nonify=False):
4f61eb8a96b7 properly kill/depreciate component base class, only keep Component
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   484
        """register the given user callback and return an url to call it ready to be
4f61eb8a96b7 properly kill/depreciate component base class, only keep Component
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   485
        inserted in html
4f61eb8a96b7 properly kill/depreciate component base class, only keep Component
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   486
        """
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3369
diff changeset
   487
        self._cw.add_js('cubicweb.ajax.js')
661
4f61eb8a96b7 properly kill/depreciate component base class, only keep Component
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   488
        if nonify:
4f61eb8a96b7 properly kill/depreciate component base class, only keep Component
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   489
            _cb = cb
4f61eb8a96b7 properly kill/depreciate component base class, only keep Component
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   490
            def cb(*args):
4f61eb8a96b7 properly kill/depreciate component base class, only keep Component
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   491
                _cb(*args)
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3369
diff changeset
   492
        cbname = self._cw.register_onetime_callback(cb, *args)
2312
af4d8f75c5db use xml_escape
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2217
diff changeset
   493
        return self.build_js(cbname, xml_escape(msg or ''))
1433
091ac3ba5d51 remove trailing white spaces
sylvain.thenault@logilab.fr
parents: 1432
diff changeset
   494
661
4f61eb8a96b7 properly kill/depreciate component base class, only keep Component
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   495
    def build_update_js_call(self, cbname, msg):
4059
f1da1a7ef29b backport stable
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4045 4058
diff changeset
   496
        rql = self.cw_rset.printable_rql()
4058
b3578583b57b properly escape arguments of user callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3973
diff changeset
   497
        return "javascript:userCallbackThenUpdateUI('%s', '%s', %s, %s, '%s', '%s')" % (
5389
809d3b5b3d31 [python2.6] careful: json-py provides a json package. We don't want that.
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5377
diff changeset
   498
            cbname, self.id, json.dumps(rql), json.dumps(msg),
4058
b3578583b57b properly escape arguments of user callbacks
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3973
diff changeset
   499
            self.__registry__, self.div_id())
1433
091ac3ba5d51 remove trailing white spaces
sylvain.thenault@logilab.fr
parents: 1432
diff changeset
   500
4062
d16b2927afe6 oops, bad indent
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 4060
diff changeset
   501
    def build_reload_js_call(self, cbname, msg):
5389
809d3b5b3d31 [python2.6] careful: json-py provides a json package. We don't want that.
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents: 5377
diff changeset
   502
        return "javascript:userCallbackThenReloadPage('%s', %s)" % (cbname, json.dumps(msg))
661
4f61eb8a96b7 properly kill/depreciate component base class, only keep Component
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   503
4f61eb8a96b7 properly kill/depreciate component base class, only keep Component
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   504
    build_js = build_update_js_call # expect updatable component by default
1433
091ac3ba5d51 remove trailing white spaces
sylvain.thenault@logilab.fr
parents: 1432
diff changeset
   505
661
4f61eb8a96b7 properly kill/depreciate component base class, only keep Component
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   506
    def div_id(self):
4f61eb8a96b7 properly kill/depreciate component base class, only keep Component
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   507
        return ''
4f61eb8a96b7 properly kill/depreciate component base class, only keep Component
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   508
4f61eb8a96b7 properly kill/depreciate component base class, only keep Component
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   509
4f61eb8a96b7 properly kill/depreciate component base class, only keep Component
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   510
class Component(ReloadableMixIn, View):
4f61eb8a96b7 properly kill/depreciate component base class, only keep Component
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   511
    """base class for components"""
4f61eb8a96b7 properly kill/depreciate component base class, only keep Component
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   512
    __registry__ = 'components'
707
21a59b468f1a __selectors__ -> __select__
sylvain.thenault@logilab.fr
parents: 700
diff changeset
   513
    __select__ = yes()
661
4f61eb8a96b7 properly kill/depreciate component base class, only keep Component
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   514
3010
684a0c546774 [ui props] drop htmlclass as a persistent property, this is definitly useless/unusable
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2656
diff changeset
   515
    # XXX huummm, much probably useless
684a0c546774 [ui props] drop htmlclass as a persistent property, this is definitly useless/unusable
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2656
diff changeset
   516
    htmlclass = 'mainRelated'
661
4f61eb8a96b7 properly kill/depreciate component base class, only keep Component
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   517
    def div_class(self):
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3369
diff changeset
   518
        return '%s %s' % (self.htmlclass, self.__regid__)
661
4f61eb8a96b7 properly kill/depreciate component base class, only keep Component
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   519
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3369
diff changeset
   520
    # XXX a generic '%s%s' % (self.__regid__, self.__registry__.capitalize()) would probably be nicer
661
4f61eb8a96b7 properly kill/depreciate component base class, only keep Component
sylvain.thenault@logilab.fr
parents: 660
diff changeset
   521
    def div_id(self):
3451
6b46d73823f5 [api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3369
diff changeset
   522
        return '%sComponent' % self.__regid__