web/htmlwidgets.py
author Rémi Cardona <remi.cardona@logilab.fr>
Mon, 20 Oct 2014 12:23:13 +0200
changeset 10029 832a2a0b7bd2
parent 9781 f5728fc3c486
child 10263 7c4e090bc25f
permissions -rw-r--r--
[facets] Correctly look for inputs of type "hidden" (closes #4502768) jQuery ':hidden' selector looks at CSS visual properties (eg, 'display', 'visibility'). The intent here was probably to look for inputs of type "hidden", which many facets use to store user selection data (eg, FacetRangeWidget). The problem is that regular text inputs (eg the "has_text" facet which has a '<input type="text"/>') will be picked up by this selector if they are inside a folded facet. Chaos and destruction ensue.
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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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"""html widgets
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those are in cubicweb since we need to know available widgets at schema
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serialization time
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"""
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import random
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from math import floor
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from logilab.mtconverter import xml_escape
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from logilab.common.deprecation import class_deprecated
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from cubicweb.utils import UStringIO
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from cubicweb.uilib import toggle_action, htmlescape
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from cubicweb.web import jsonize
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from cubicweb.web.component import _bwcompatible_render_item
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# XXX HTMLWidgets should have access to req (for datadir / static urls,
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#     i18n strings, etc.)
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class HTMLWidget(object):
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    def _initialize_stream(self, w=None):
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        if w:
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            self.w = w
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        else:
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            self._stream = UStringIO()
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            self.w = self._stream.write
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    def _render(self):
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        raise NotImplementedError
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    def render(self, w=None):
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        self._initialize_stream(w)
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        self._render()
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        if w is None:
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            return self._stream.getvalue()
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    def is_empty(self):
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        return False
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class BoxWidget(HTMLWidget): # XXX Deprecated
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    def __init__(self, title, id, items=None, _class="boxFrame",
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                 islist=True, shadow=True, escape=True):
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        self.title = title
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        self.id = id
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        self.items = items or []
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        self._class = _class
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        self.islist = islist
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        self.shadow = shadow
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        self.escape = escape
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    def __len__(self):
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        return len(self.items)
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    def is_empty(self):
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        return len(self) == 0
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    def append(self, item):
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        self.items.append(item)
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    def extend(self, items):
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        self.items.extend(items)
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    title_class = 'boxTitle'
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    main_div_class = 'boxContent'
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    listing_class = 'boxListing'
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    def box_begin_content(self):
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        self.w(u'<div class="%s">\n' % self.main_div_class)
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        if self.islist:
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            self.w(u'<ul class="%s">' % self.listing_class)
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    def box_end_content(self):
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        if self.islist:
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            self.w(u'</ul>\n')
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        self.w(u'</div>\n')
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        if self.shadow:
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            self.w(u'<div class="shadow">&#160;</div>')
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    def _render(self):
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        if self.id:
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            self.w(u'<div class="%s" id="%s">' % (self._class, self.id))
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        else:
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            self.w(u'<div class="%s">' % self._class)
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        if self.title:
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            if self.escape:
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                title = '<span>%s</span>' % xml_escape(self.title)
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            else:
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                title = '<span>%s</span>' % self.title
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            self.w(u'<div class="%s">%s</div>' % (self.title_class, title))
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        if self.items:
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            self.box_begin_content()
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            for item in self.items:
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                _bwcompatible_render_item(self.w, item)
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            self.box_end_content()
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        self.w(u'</div>')
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class SideBoxWidget(BoxWidget):
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    """default CubicWeb's sidebox widget"""
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    __metaclass__ = class_deprecated
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    __deprecation_warning__ = '[3.10] class %(cls)s is deprecated'
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    title_class = u'sideBoxTitle'
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    main_div_class = u'sideBoxBody'
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    listing_class = ''
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    def __init__(self, title, id=None):
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        super(SideBoxWidget, self).__init__(title, id=id, _class='sideBox',
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                                            shadow=False)
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class MenuWidget(BoxWidget):
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    main_div_class = 'menuContent'
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    listing_class = 'menuListing'
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    def box_end_content(self):
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        if self.islist:
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            self.w(u'</ul>\n')
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        self.w(u'</div>\n')
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class RawBoxItem(HTMLWidget): # XXX deprecated
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    """a simpe box item displaying raw data"""
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    def __init__(self, label, liclass=None):
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        self.label = label
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        self.liclass = liclass
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    def _start_li(self):
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        if self.liclass is None:
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            return u'<li>'
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        else:
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            return u'<li class="%s">' % self.liclass
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    def _render(self):
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        self.w(u'%s%s</li>' % (self._start_li(), self.label))
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class BoxMenu(RawBoxItem):
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    """a menu in a box"""
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    link_class = 'boxMenu'
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    def __init__(self, label, items=None, isitem=True, liclass=None, ident=None,
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                 link_class=None):
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        super(BoxMenu, self).__init__(label, liclass)
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        self.items = items or []
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        self.isitem = isitem
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        self.ident = ident or u'boxmenu_%s' % label.replace(' ', '_').replace("'", '')
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        if link_class:
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            self.link_class = link_class
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    def append(self, item):
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        self.items.append(item)
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    def _begin_menu(self, ident):
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        self.w(u'<ul id="%s" class="hidden">' % ident)
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    def _end_menu(self):
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        self.w(u'</ul>')
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    def _render(self):
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        if self.isitem:
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            self.w(self._start_li())
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        ident = self.ident
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        self.w(u'<a href="%s" class="%s">%s</a>' % (
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            toggle_action(ident), self.link_class, self.label))
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        self._begin_menu(ident)
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        for item in self.items:
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            _bwcompatible_render_item(self.w, item)
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        self._end_menu()
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        if self.isitem:
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            self.w(u'</li>')
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class PopupBoxMenu(BoxMenu):
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    """like BoxMenu but uses div and specific css class
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    in order to behave like a popup menu
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    """
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    link_class = 'popupMenu'
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    def _begin_menu(self, ident):
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        self.w(u'<div class="popupWrapper"><div id="%s" class="hidden popup"><ul>' % ident)
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    def _end_menu(self):
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        self.w(u'</ul></div></div>')
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class BoxField(HTMLWidget):
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    """couples label / value meant to be displayed in a box"""
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    __metaclass__ = class_deprecated
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    __deprecation_warning__ = '[3.10] class %(cls)s is deprecated'
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    def __init__(self, label, value):
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        self.label = label
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        self.value = value
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    def _render(self):
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        self.w(u'<li><div><span class="label">%s</span>&#160;'
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               u'<span class="value">%s</span></div></li>'
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               % (self.label, self.value))
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class BoxSeparator(HTMLWidget):
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    """a menu separator"""
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    __metaclass__ = class_deprecated
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    __deprecation_warning__ = '[3.10] class %(cls)s is deprecated'
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0
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    def _render(self):
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        self.w(u'</ul><hr class="boxSeparator"/><ul>')
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class BoxLink(HTMLWidget):
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    """a link in a box"""
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    __metaclass__ = class_deprecated
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    __deprecation_warning__ = '[3.10] class %(cls)s is deprecated'
0
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    def __init__(self, href, label, _class='', title='', ident='', escape=False):
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        self.href = href
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        if escape:
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            self.label = xml_escape(label)
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        else:
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            self.label = label
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        self._class = _class or ''
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        self.title = title
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        self.ident = ident
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    def _render(self):
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        link = u'<a href="%s" title="%s">%s</a>' % (
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            xml_escape(self.href), xml_escape(self.title), self.label)
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        if self.ident:
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            self.w(u'<li id="%s" class="%s">%s</li>\n' % (self.ident, self._class, link))
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        else:
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            self.w(u'<li class="%s">%s</li>\n' % (self._class, link))
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class BoxHtml(HTMLWidget):
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    """a form in a box"""
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    __metaclass__ = class_deprecated
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    __deprecation_warning__ = '[3.10] class %(cls)s is deprecated'
0
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    def __init__(self, rawhtml):
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        self.rawhtml = rawhtml
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    def _render(self):
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        self.w(self.rawhtml)
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class TableColumn(object):
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    def __init__(self, name, rset_sortcol):
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        """
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        :param name: the column's name
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        :param rset_sortcol: the model's column used to sort this column view
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        """
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        self.name = name
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        self.cellrenderers = []
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        self.rset_sortcol = rset_sortcol
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        self.cell_attrs = {}
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    def append_renderer(self, cellvid, colindex):
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        # XXX (adim) : why do we need colindex here ?
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        self.cellrenderers.append( (cellvid, colindex) )
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    def add_attr(self, attr, value):
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        self.cell_attrs[attr] = value
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class SimpleTableModel(object):
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    """
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    uses a list of lists as a storage backend
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    NB: the model expectes the cellvid passed to
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    TableColumn.append_renderer to be a callable accepting a single
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    argument and returning a unicode object
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    """
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    def __init__(self, rows):
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        self._rows = rows
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    def get_rows(self):
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        return self._rows
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    def render_cell(self, cellvid, rowindex, colindex, w):
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        value = self._rows[rowindex][colindex]
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        w(cellvid(value))
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    @htmlescape
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    @jsonize
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    def sortvalue(self, rowindex, colindex):
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        value =  self._rows[rowindex][colindex]
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        if value is None:
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            return u''
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        elif isinstance(value, int):
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            return u'%09d' % value
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        else:
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            return unicode(value)
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0
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class TableWidget(HTMLWidget):
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    """
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    Display data in a Table with sortable column.
0
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    When using remember to include the required css and js with:
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    self._cw.add_js('jquery.tablesorter.js')
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    self._cw.add_css(('cubicweb.tablesorter.css', 'cubicweb.tableview.css'))
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    """
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    highlight = "onmouseover=\"$(this).addClass('highlighted');\" " \
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                "onmouseout=\"$(this).removeClass('highlighted');\""
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0
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    def __init__(self, model):
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        self.model = model
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        self.columns = []
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    def append_column(self, column):
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        """
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        :type column: TableColumn
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        """
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        self.columns.append(column)
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    def _render(self):
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        self.w(u'<table class="listing">')
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        self.w(u'<thead>')
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        self.w(u'<tr class="header">')
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        for column in self.columns:
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            attrs = ('%s="%s"' % (name, value) for name, value in column.cell_attrs.iteritems())
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            self.w(u'<th %s>%s</th>' % (' '.join(attrs), column.name or u''))
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        self.w(u'</tr>')
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        self.w(u'</thead><tbody>')
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        for rowindex in xrange(len(self.model.get_rows())):
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            klass = (rowindex%2==1) and 'odd' or 'even'
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            self.w(u'<tr class="%s" %s>' % (klass, self.highlight))
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            for column, sortvalue in self.itercols(rowindex):
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                attrs = dict(column.cell_attrs)
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                attrs["cubicweb:sortvalue"] = sortvalue
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                attrs = ('%s="%s"' % (name, value) for name, value in attrs.iteritems())
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                self.w(u'<td %s>' % (' '.join(attrs)))
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                for cellvid, colindex in column.cellrenderers:
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                    self.model.render_cell(cellvid, rowindex, colindex, w=self.w)
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                self.w(u'</td>')
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            self.w(u'</tr>')
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        self.w(u'</tbody>')
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        self.w(u'</table>')
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    def itercols(self, rowindex):
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        for column in self.columns:
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            yield column, self.model.sortvalue(rowindex, column.rset_sortcol)
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