author | Pierre-Yves David <pierre-yves.david@logilab.fr> |
Mon, 30 May 2011 16:16:19 +0200 | |
branch | stable |
changeset 7449 | 5e45e32071aa |
parent 6620 | 43ba6cfcf75c |
child 7300 | 4058ed1e3bc2 |
permissions | -rw-r--r-- |
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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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"""the facets box and some basic facets""" |
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__docformat__ = "restructuredtext en" |
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_ = unicode |
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from logilab.mtconverter import xml_escape |
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from cubicweb.appobject import objectify_selector |
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from cubicweb.selectors import (non_final_entity, multi_lines_rset, |
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match_context_prop, yes, relation_possible) |
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from cubicweb.utils import json_dumps |
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from cubicweb.web import component, facet |
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@objectify_selector |
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def contextview_selector(cls, req, rset=None, row=None, col=None, view=None, |
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**kwargs): |
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if view and getattr(view, 'filter_box_context_info', lambda: None)(): |
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return 1 |
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return 0 |
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||
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class FilterBox(component.CtxComponent): |
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"""filter results of a query""" |
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__regid__ = 'facet.filters' |
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__select__ = ((non_final_entity() & multi_lines_rset()) |
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| contextview_selector()) |
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context = 'left' # XXX doesn't support 'incontext', only 'left' or 'right' |
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title = _('facet.filters') |
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visible = True # functionality provided by the search box by default |
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order = 1 |
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roundcorners = True |
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needs_css = 'cubicweb.facets.css' |
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needs_js = ('cubicweb.ajax.js', 'cubicweb.facets.js') |
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bk_linkbox_template = u'<div class="facetTitle">%s</div>' |
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def facetargs(self): |
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"""this method returns the list of extra arguments that should |
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be used by the facet |
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""" |
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return {} |
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def _get_context(self): |
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view = self.cw_extra_kwargs.get('view') |
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context = getattr(view, 'filter_box_context_info', lambda: None)() |
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if context: |
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rset, vid, divid, paginate = context |
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else: |
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rset = self.cw_rset |
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vid, divid = None, 'pageContent' |
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paginate = view and view.paginable |
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return rset, vid, divid, paginate |
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def render(self, w, **kwargs): |
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req = self._cw |
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req.add_js( self.needs_js ) |
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req.add_css( self.needs_css) |
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if self.roundcorners: |
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req.html_headers.add_onload('jQuery(".facet").corner("tl br 10px");') |
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rset, vid, divid, paginate = self._get_context() |
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# XXX done by selectors, though maybe necessary when rset has been hijacked |
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if rset.rowcount < 2: |
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return |
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rqlst = rset.syntax_tree() |
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# union not yet supported |
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if len(rqlst.children) != 1: |
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return () |
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rqlst = rqlst.copy() |
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req.vreg.rqlhelper.annotate(rqlst) |
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mainvar, baserql = facet.prepare_facets_rqlst(rqlst, rset.args) |
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widgets = [] |
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for facetobj in self.get_facets(rset, rqlst.children[0], mainvar): |
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wdg = facetobj.get_widget() |
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if wdg is not None: |
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widgets.append(wdg) |
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if not widgets: |
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return |
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if vid is None: |
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vid = req.form.get('vid') |
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if self.bk_linkbox_template and req.vreg.schema['Bookmark'].has_perm(req, 'add'): |
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w(self.bookmark_link(rset)) |
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w(u'<form method="post" id="%sForm" cubicweb:facetargs="%s" action="">' % ( |
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divid, xml_escape(json_dumps([divid, vid, paginate, self.facetargs()])))) |
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w(u'<fieldset>') |
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hiddens = {'facets': ','.join(wdg.facet.__regid__ for wdg in widgets), |
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'baserql': baserql} |
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for param in ('subvid', 'vtitle'): |
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if param in req.form: |
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hiddens[param] = req.form[param] |
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facet.filter_hiddens(w, **hiddens) |
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for wdg in widgets: |
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wdg.render(w=w) |
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w(u'</fieldset>\n</form>\n') |
0 | 112 |
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def bookmark_link(self, rset): |
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req = self._cw |
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bk_path = u'rql=%s' % req.url_quote(rset.printable_rql()) |
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116 |
if req.form.get('vid'): |
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bk_path += u'&vid=%s' % req.url_quote(req.form['vid']) |
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118 |
bk_path = u'view?' + bk_path |
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119 |
bk_title = req._('my custom search') |
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120 |
linkto = u'bookmarked_by:%s:subject' % req.user.eid |
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121 |
bkcls = req.vreg['etypes'].etype_class('Bookmark') |
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122 |
bk_add_url = bkcls.cw_create_url(req, path=bk_path, title=bk_title, |
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123 |
__linkto=linkto) |
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124 |
bk_base_url = bkcls.cw_create_url(req, title=bk_title, __linkto=linkto) |
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125 |
bk_link = u'<a cubicweb:target="%s" id="facetBkLink" href="%s">%s</a>' % ( |
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126 |
xml_escape(bk_base_url), xml_escape(bk_add_url), |
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127 |
req._('bookmark this search')) |
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128 |
return self.bk_linkbox_template % bk_link |
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129 |
|
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130 |
def get_facets(self, rset, rqlst, mainvar): |
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131 |
return self._cw.vreg['facets'].poss_visible_objects( |
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132 |
self._cw, rset=rset, rqlst=rqlst, |
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133 |
context='facetbox', filtered_variable=mainvar) |
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134 |
|
0 | 135 |
# facets ###################################################################### |
136 |
||
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137 |
class CWSourceFacet(facet.RelationFacet): |
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138 |
__regid__ = 'cw_source-facet' |
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rtype = 'cw_source' |
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target_attr = 'name' |
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141 |
|
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142 |
class CreatedByFacet(facet.RelationFacet): |
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143 |
__regid__ = 'created_by-facet' |
0 | 144 |
rtype = 'created_by' |
145 |
target_attr = 'login' |
|
146 |
||
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147 |
class InGroupFacet(facet.RelationFacet): |
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148 |
__regid__ = 'in_group-facet' |
0 | 149 |
rtype = 'in_group' |
150 |
target_attr = 'name' |
|
151 |
||
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152 |
class InStateFacet(facet.RelationAttributeFacet): |
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153 |
__regid__ = 'in_state-facet' |
0 | 154 |
rtype = 'in_state' |
155 |
target_attr = 'name' |
|
156 |
||
157 |
# inherit from RelationFacet to benefit from its possible_values implementation |
|
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158 |
class ETypeFacet(facet.RelationFacet): |
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159 |
__regid__ = 'etype-facet' |
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160 |
__select__ = yes() |
0 | 161 |
order = 1 |
162 |
rtype = 'is' |
|
163 |
target_attr = 'name' |
|
164 |
||
165 |
@property |
|
166 |
def title(self): |
|
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167 |
return self._cw._('entity type') |
0 | 168 |
|
169 |
def vocabulary(self): |
|
170 |
"""return vocabulary for this facet, eg a list of 2-uple (label, value) |
|
171 |
""" |
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172 |
etypes = self.cw_rset.column_types(0) |
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173 |
return sorted((self._cw._(etype), etype) for etype in etypes) |
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174 |
|
0 | 175 |
def add_rql_restrictions(self): |
176 |
"""add restriction for this facet into the rql syntax tree""" |
|
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177 |
value = self._cw.form.get(self.__regid__) |
0 | 178 |
if not value: |
179 |
return |
|
180 |
self.rqlst.add_type_restriction(self.filtered_variable, value) |
|
181 |
||
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182 |
def possible_values(self): |
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183 |
"""return a list of possible values (as string since it's used to |
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184 |
compare to a form value in javascript) for this facet |
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|
185 |
""" |
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186 |
rqlst = self.rqlst |
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187 |
rqlst.save_state() |
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|
188 |
try: |
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189 |
facet._cleanup_rqlst(rqlst, self.filtered_variable) |
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190 |
etype_var = facet._prepare_vocabulary_rqlst( |
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191 |
rqlst, self.filtered_variable, self.rtype, self.role) |
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192 |
attrvar = rqlst.make_variable() |
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193 |
rqlst.add_selected(attrvar) |
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194 |
rqlst.add_relation(etype_var, 'name', attrvar) |
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195 |
return [etype for _, etype in self.rqlexec(rqlst.as_string())] |
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|
196 |
finally: |
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|
197 |
rqlst.recover() |
0 | 198 |
|
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199 |
class HasTextFacet(facet.AbstractFacet): |
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200 |
__select__ = relation_possible('has_text', 'subject') & match_context_prop() |
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|
201 |
__regid__ = 'has_text-facet' |
0 | 202 |
rtype = 'has_text' |
203 |
role = 'subject' |
|
204 |
order = 0 |
|
205 |
@property |
|
206 |
def title(self): |
|
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207 |
return self._cw._('has_text') |
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|
208 |
|
0 | 209 |
def get_widget(self): |
210 |
"""return the widget instance to use to display this facet |
|
211 |
||
212 |
default implentation expects a .vocabulary method on the facet and |
|
213 |
return a combobox displaying this vocabulary |
|
214 |
""" |
|
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|
215 |
return facet.FacetStringWidget(self) |
0 | 216 |
|
217 |
def add_rql_restrictions(self): |
|
218 |
"""add restriction for this facet into the rql syntax tree""" |
|
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|
219 |
value = self._cw.form.get(self.__regid__) |
0 | 220 |
if not value: |
221 |
return |
|
222 |
self.rqlst.add_constant_restriction(self.filtered_variable, 'has_text', value, 'String') |