author | Sylvain Thénault <sylvain.thenault@logilab.fr> |
Fri, 19 Feb 2010 09:34:14 +0100 | |
branch | stable |
changeset 4643 | 921737d2e3a8 |
parent 4618 | 412a9f1f5fd0 |
child 5234 | e2476d78b060 |
child 5312 | d2dbba898a96 |
permissions | -rw-r--r-- |
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"""generic table view, including filtering abilities |
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:organization: Logilab |
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update copyright: welcome 2010
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:copyright: 2001-2010 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2. |
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:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr |
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:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses |
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""" |
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__docformat__ = "restructuredtext en" |
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from simplejson import dumps |
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use xml_escape
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from logilab.mtconverter import xml_escape |
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from cubicweb.selectors import nonempty_rset, match_form_params |
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from cubicweb.utils import make_uid |
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from cubicweb.view import EntityView, AnyRsetView |
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from cubicweb import tags |
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from cubicweb.uilib import toggle_action, limitsize, htmlescape |
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from cubicweb.web import jsonize |
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from cubicweb.web.htmlwidgets import (TableWidget, TableColumn, MenuWidget, |
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PopupBoxMenu, BoxLink) |
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from cubicweb.web.facet import prepare_facets_rqlst, filter_hiddens |
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class TableView(AnyRsetView): |
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__regid__ = 'table' |
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title = _('table') |
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finalview = 'final' |
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def form_filter(self, divid, displaycols, displayactions, displayfilter, |
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hidden=True): |
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rqlst = self.cw_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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self._cw.vreg.rqlhelper.annotate(rqlst) |
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mainvar, baserql = prepare_facets_rqlst(rqlst, self.cw_rset.args) |
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wdgs = [facet.get_widget() for facet in self._cw.vreg['facets'].poss_visible_objects( |
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self._cw, rset=self.cw_rset, rqlst=rqlst.children[0], context='tablefilter', |
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filtered_variable=mainvar)] |
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wdgs = [wdg for wdg in wdgs if wdg is not None] |
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if wdgs: |
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self._generate_form(divid, baserql, wdgs, hidden, |
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vidargs={'displaycols': displaycols, |
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'displayactions': displayactions, |
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'displayfilter': displayfilter}) |
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return self.show_hide_actions(divid, not hidden) |
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return () |
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def _generate_form(self, divid, baserql, fwidgets, hidden=True, vidargs={}): |
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"""display a form to filter table's content. This should only |
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occurs when a context eid is given |
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""" |
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self._cw.add_css('cubicweb.facets.css') |
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self._cw.add_js( ('cubicweb.ajax.js', 'cubicweb.facets.js')) |
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# drop False / None values from vidargs |
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vidargs = dict((k, v) for k, v in vidargs.iteritems() if v) |
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self.w(u'<form method="post" cubicweb:facetargs="%s" action="">' % |
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xml_escape(dumps([divid, 'table', False, vidargs]))) |
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self.w(u'<fieldset id="%sForm" class="%s">' % (divid, hidden and 'hidden' or '')) |
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self.w(u'<input type="hidden" name="divid" value="%s" />' % divid) |
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self.w(u'<input type="hidden" name="fromformfilter" value="1" />') |
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filter_hiddens(self.w, facets=','.join(wdg.facet.__regid__ for wdg in fwidgets), |
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baserql=baserql) |
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self.w(u'<table class="filter">\n') |
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self.w(u'<tr>\n') |
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for wdg in fwidgets: |
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self.w(u'<td>') |
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wdg.render(w=self.w) |
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self.w(u'</td>\n') |
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self.w(u'</tr>\n') |
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self.w(u'</table>\n') |
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self.w(u'</fieldset>\n') |
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self.w(u'</form>\n') |
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def main_var_index(self): |
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"""returns the index of the first non-attribute variable among the RQL |
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selected variables |
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""" |
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eschema = self._cw.vreg.schema.eschema |
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for i, etype in enumerate(self.cw_rset.description[0]): |
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try: |
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if not eschema(etype).final: |
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return i |
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except KeyError: # XXX possible? |
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continue |
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return None |
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def displaycols(self, displaycols): |
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if displaycols is None: |
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if 'displaycols' in self._cw.form: |
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displaycols = [int(idx) for idx in self._cw.form['displaycols']] |
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else: |
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displaycols = range(len(self.cw_rset.syntax_tree().children[0].selection)) |
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return displaycols |
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def call(self, title=None, subvid=None, displayfilter=None, headers=None, |
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displaycols=None, displayactions=None, actions=(), divid=None, |
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cellvids=None, cellattrs=None, mainindex=None): |
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"""Dumps a table displaying a composite query |
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:param title: title added before table |
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:param subvid: cell view |
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:param displayfilter: filter that selects rows to display |
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:param headers: columns' titles |
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""" |
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req = self._cw |
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req.add_js('jquery.tablesorter.js') |
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req.add_css(('cubicweb.tablesorter.css', 'cubicweb.tableview.css')) |
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# compute label first since the filter form may remove some necessary |
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# information from the rql syntax tree |
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if mainindex is None: |
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mainindex = self.main_var_index() |
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computed_labels = self.columns_labels(mainindex) |
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hidden = True |
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if not subvid and 'subvid' in req.form: |
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subvid = req.form.pop('subvid') |
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divid = divid or req.form.get('divid') or 'rs%s' % make_uid(id(self.cw_rset)) |
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actions = list(actions) |
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if mainindex is None: |
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displayfilter, displayactions = False, False |
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else: |
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if displayfilter is None and 'displayfilter' in req.form: |
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displayfilter = True |
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if req.form['displayfilter'] == 'shown': |
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hidden = False |
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if displayactions is None and 'displayactions' in req.form: |
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displayactions = True |
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displaycols = self.displaycols(displaycols) |
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fromformfilter = 'fromformfilter' in req.form |
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# if fromformfilter is true, this is an ajax call and we only want to |
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# replace the inner div, so don't regenerate everything under the if |
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# below |
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if not fromformfilter: |
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self.w(u'<div class="section">') |
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if not title and 'title' in req.form: |
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title = req.form['title'] |
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if title: |
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self.w(u'<h2 class="tableTitle">%s</h2>\n' % title) |
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if displayfilter: |
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actions += self.form_filter(divid, displaycols, displayfilter, |
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displayactions) |
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elif displayfilter: |
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actions += self.show_hide_actions(divid, True) |
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self.w(u'<div id="%s"' % divid) |
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if displayactions: |
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actionsbycat = self._cw.vreg['actions'].possible_actions(req, self.cw_rset) |
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for action in actionsbycat.get('mainactions', ()): |
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for action in action.actual_actions(): |
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actions.append( (action.url(), req._(action.title), |
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action.html_class(), None) ) |
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self.w(u' cubicweb:displayactions="1">') # close <div tag |
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else: |
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self.w(u'>') # close <div tag |
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# render actions menu |
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if actions: |
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self.render_actions(divid, actions) |
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# render table |
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table = TableWidget(self) |
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for column in self.get_columns(computed_labels, displaycols, headers, |
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subvid, cellvids, cellattrs, mainindex): |
0 | 163 |
table.append_column(column) |
164 |
table.render(self.w) |
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self.w(u'</div>\n') |
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if not fromformfilter: |
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self.w(u'</div>\n') |
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def show_hide_actions(self, divid, currentlydisplayed=False): |
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showhide = u';'.join(toggle_action('%s%s' % (divid, what))[11:] |
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for what in ('Form', 'Show', 'Hide', 'Actions')) |
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showhide = 'javascript:' + showhide |
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showlabel = self._cw._('show filter form') |
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hidelabel = self._cw._('hide filter form') |
0 | 175 |
if currentlydisplayed: |
176 |
return [(showhide, showlabel, 'hidden', '%sShow' % divid), |
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(showhide, hidelabel, None, '%sHide' % divid)] |
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return [(showhide, showlabel, None, '%sShow' % divid), |
0 | 179 |
(showhide, hidelabel, 'hidden', '%sHide' % divid)] |
180 |
||
181 |
def render_actions(self, divid, actions): |
|
182 |
box = MenuWidget('', 'tableActionsBox', _class='', islist=False) |
|
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label = tags.img(src=self._cw.external_resource('PUCE_DOWN'), |
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alt=xml_escape(self._cw._('action(s) on this selection'))) |
0 | 185 |
menu = PopupBoxMenu(label, isitem=False, link_class='actionsBox', |
186 |
ident='%sActions' % divid) |
|
187 |
box.append(menu) |
|
188 |
for url, label, klass, ident in actions: |
|
189 |
menu.append(BoxLink(url, label, klass, ident=ident, escape=True)) |
|
190 |
box.render(w=self.w) |
|
191 |
self.w(u'<div class="clear"/>') |
|
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192 |
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def get_columns(self, computed_labels, displaycols, headers, subvid, |
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cellvids, cellattrs, mainindex): |
0 | 195 |
columns = [] |
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eschema = self._cw.vreg.schema.eschema |
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for colindex, label in enumerate(computed_labels): |
0 | 198 |
if colindex not in displaycols: |
199 |
continue |
|
200 |
# compute column header |
|
201 |
if headers is not None: |
|
202 |
label = headers[displaycols.index(colindex)] |
|
203 |
if colindex == mainindex: |
|
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label += ' (%s)' % self.cw_rset.rowcount |
0 | 205 |
column = TableColumn(label, colindex) |
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coltype = self.cw_rset.description[0][colindex] |
0 | 207 |
# compute column cell view (if coltype is None, it's a left outer |
208 |
# join, use the default non final subvid) |
|
209 |
if cellvids and colindex in cellvids: |
|
210 |
column.append_renderer(cellvids[colindex], colindex) |
|
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elif coltype is not None and eschema(coltype).final: |
0 | 212 |
column.append_renderer(self.finalview, colindex) |
213 |
else: |
|
214 |
column.append_renderer(subvid or 'incontext', colindex) |
|
215 |
if cellattrs and colindex in cellattrs: |
|
216 |
for name, value in cellattrs[colindex].iteritems(): |
|
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column.add_attr(name, value) |
0 | 218 |
# add column |
219 |
columns.append(column) |
|
220 |
return columns |
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221 |
|
0 | 222 |
|
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223 |
def render_cell(self, cellvid, row, col, w): |
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self._cw.view('cell', self.cw_rset, row=row, col=col, cellvid=cellvid, w=w) |
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|
0 | 226 |
def get_rows(self): |
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return self.cw_rset |
0 | 228 |
|
229 |
@htmlescape |
|
230 |
@jsonize |
|
231 |
@limitsize(10) |
|
232 |
def sortvalue(self, row, col): |
|
233 |
# XXX it might be interesting to try to limit value's |
|
234 |
# length as much as possible (e.g. by returning the 10 |
|
235 |
# first characters of a string) |
|
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|
236 |
val = self.cw_rset[row][col] |
0 | 237 |
if val is None: |
238 |
return u'' |
|
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239 |
etype = self.cw_rset.description[row][col] |
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240 |
if self._cw.vreg.schema.eschema(etype).final: |
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|
241 |
entity, rtype = self.cw_rset.related_entity(row, col) |
0 | 242 |
if entity is None: |
243 |
return val # remove_html_tags() ? |
|
244 |
return entity.sortvalue(rtype) |
|
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245 |
entity = self.cw_rset.get_entity(row, col) |
0 | 246 |
return entity.sortvalue() |
247 |
||
843 | 248 |
|
0 | 249 |
class EditableTableView(TableView): |
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250 |
__regid__ = 'editable-table' |
0 | 251 |
finalview = 'editable-final' |
252 |
title = _('editable-table') |
|
253 |
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254 |
|
0 | 255 |
class CellView(EntityView): |
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256 |
__regid__ = 'cell' |
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__select__ = nonempty_rset() |
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258 |
|
0 | 259 |
def cell_call(self, row, col, cellvid=None): |
260 |
""" |
|
261 |
:param row, col: indexes locating the cell value in view's result set |
|
262 |
:param cellvid: cell view (defaults to 'outofcontext') |
|
263 |
""" |
|
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|
264 |
etype, val = self.cw_rset.description[row][col], self.cw_rset[row][col] |
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|
265 |
if val is not None and not self._cw.vreg.schema.eschema(etype).final: |
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|
266 |
e = self.cw_rset.get_entity(row, col) |
0 | 267 |
e.view(cellvid or 'outofcontext', w=self.w) |
268 |
elif val is None: |
|
269 |
# This is usually caused by a left outer join and in that case, |
|
270 |
# regular views will most certainly fail if they don't have |
|
271 |
# a real eid |
|
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|
272 |
self.wview('final', self.cw_rset, row=row, col=col) |
0 | 273 |
else: |
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|
274 |
self.wview(cellvid or 'final', self.cw_rset, 'null', row=row, col=col) |
0 | 275 |
|
276 |
||
277 |
class InitialTableView(TableView): |
|
278 |
"""same display as table view but consider two rql queries : |
|
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279 |
|
0 | 280 |
* the default query (ie `rql` form parameter), which is only used to select |
281 |
this view and to build the filter form. This query should have the same |
|
282 |
structure as the actual without actual restriction (but link to |
|
283 |
restriction variables) and usually with a limit for efficiency (limit set |
|
284 |
to 2 is advised) |
|
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|
285 |
|
0 | 286 |
* the actual query (`actualrql` form parameter) whose results will be |
287 |
displayed with default restrictions set |
|
288 |
""" |
|
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289 |
__regid__ = 'initialtable' |
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__select__ = nonempty_rset() & match_form_params('actualrql') |
0 | 291 |
# should not be displayed in possible view since it expects some specific |
292 |
# parameters |
|
293 |
title = None |
|
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294 |
|
469 | 295 |
def call(self, title=None, subvid=None, headers=None, divid=None, |
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|
296 |
displaycols=None, displayactions=None, mainindex=None): |
0 | 297 |
"""Dumps a table displaying a composite query""" |
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298 |
actrql = self._cw.form['actualrql'] |
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299 |
self._cw.ensure_ro_rql(actrql) |
0 | 300 |
displaycols = self.displaycols(displaycols) |
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|
301 |
if displayactions is None and 'displayactions' in self._cw.form: |
0 | 302 |
displayactions = True |
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|
303 |
if divid is None and 'divid' in self._cw.form: |
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|
304 |
divid = self._cw.form['divid'] |
0 | 305 |
self.w(u'<div class="section">') |
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|
306 |
if not title and 'title' in self._cw.form: |
0 | 307 |
# pop title so it's not displayed by the table view as well |
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|
308 |
title = self._cw.form.pop('title') |
0 | 309 |
if title: |
310 |
self.w(u'<h2>%s</h2>\n' % title) |
|
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|
311 |
if mainindex is None: |
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|
312 |
mainindex = self.main_var_index() |
0 | 313 |
if mainindex is not None: |
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|
314 |
actions = self.form_filter(divid, displaycols, displayactions, True) |
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|
315 |
else: |
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|
316 |
actions = () |
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|
317 |
if not subvid and 'subvid' in self._cw.form: |
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|
318 |
subvid = self._cw.form.pop('subvid') |
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|
319 |
self._cw.view('table', self._cw.execute(actrql), |
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|
320 |
'noresult', w=self.w, displayfilter=False, subvid=subvid, |
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|
321 |
displayactions=displayactions, displaycols=displaycols, |
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|
322 |
actions=actions, headers=headers, divid=divid) |
0 | 323 |
self.w(u'</div>\n') |
324 |
||
325 |
||
527 | 326 |
class EditableInitialTableTableView(InitialTableView): |
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|
327 |
__regid__ = 'editable-initialtable' |
0 | 328 |
finalview = 'editable-final' |