author | Sylvain Thénault <sylvain.thenault@logilab.fr> |
Fri, 21 Aug 2009 15:03:00 +0200 | |
branch | stable |
changeset 2960 | 1c6eafc68586 |
parent 2675 | f84ba1a66abb |
child 2789 | 39712da6f397 |
child 3026 | 17644247f0ff |
permissions | -rw-r--r-- |
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"""base classes to handle tabbed views |
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:organization: Logilab |
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:copyright: 2008-2009 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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|
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__docformat__ = "restructuredtext en" |
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|
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from logilab.mtconverter import xml_escape |
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from cubicweb import NoSelectableObject, role |
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from cubicweb.selectors import partial_has_related_entities |
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from cubicweb.view import EntityView |
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from cubicweb.common import tags, uilib |
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from cubicweb.utils import make_uid |
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|
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class LazyViewMixin(object): |
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"""provides two convenience methods for the tab machinery |
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can also be used to lazy-load arbitrary views |
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caveat : lazyview is not recursive, i.e : you can't (successfully) |
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lazyload a view that in turns does the same |
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""" |
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def _prepare_bindings(self, vid, reloadable): |
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self.req.add_onload(u""" |
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jQuery('#lazy-%(vid)s').bind('%(event)s', function(event) { |
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load_now('#lazy-%(vid)s', '#%(vid)s-hole', %(reloadable)s); |
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});""" % {'event': 'load_%s' % vid, 'vid': vid, |
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'reloadable' : str(reloadable).lower()}) |
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|
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def lazyview(self, vid, rql=None, eid=None, rset=None, static=False, |
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reloadable=False, show_spinbox=True, w=None): |
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"""a lazy version of wview |
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first version only support lazy viewing for an entity at a time |
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""" |
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assert rql or eid or rset or static, \ |
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'lazyview wants at least : rql, or an eid, or an rset -- or call it with static=True' |
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w = w or self.w |
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self.req.add_js('cubicweb.lazy.js') |
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urlparams = {'vid' : vid, 'fname' : 'view'} |
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if rql: |
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urlparams['rql'] = rql |
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elif eid: |
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urlparams['rql'] = uilib.rql_for_eid(eid) |
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elif rset: |
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urlparams['rql'] = rset.printable_rql() |
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w(u'<div id="lazy-%s" cubicweb:loadurl="%s">' % ( |
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vid, xml_escape(self.build_url('json', **urlparams)))) |
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if show_spinbox: |
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w(u'<img src="data/loading.gif" id="%s-hole" alt="%s"/>' |
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% (vid, self.req._('loading'))) |
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w(u'</div>') |
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self._prepare_bindings(vid, reloadable) |
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|
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def forceview(self, vid): |
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"""trigger an event that will force immediate loading of the view |
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on dom readyness |
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""" |
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self.req.add_js('cubicweb.lazy.js') |
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self.req.add_onload("trigger_load('%s');" % vid) |
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|
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|
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class TabsMixin(LazyViewMixin): |
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"""a tab mixin |
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""" |
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|
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@property |
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def cookie_name(self): |
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return str('%s_active_tab' % self.config.appid) |
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|
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def active_tab(self, tabs, default): |
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cookies = self.req.get_cookie() |
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cookiename = self.cookie_name |
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activetab = cookies.get(cookiename) |
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if activetab is None: |
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cookies[cookiename] = default |
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self.req.set_cookie(cookies, cookiename) |
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tab = default |
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else: |
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tab = activetab.value |
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return tab in tabs and tab or default |
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|
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def prune_tabs(self, tabs): |
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selected_tabs = [] |
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for tab in tabs: |
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try: |
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self.vreg['views'].select(tab, self.req, rset=self.rset) |
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selected_tabs.append(tab) |
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except NoSelectableObject: |
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continue |
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return selected_tabs |
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|
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def render_tabs(self, tabs, default, entity=None): |
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# delegate to the default tab if there is more than one entity |
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# in the result set (tabs are pretty useless there) |
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if entity and len(self.rset) > 1: |
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MUST NOT consider req.form['rql'] in a view, use len(rset) > 1 to detect if we can apply tabs or not
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parents:
1112
diff
changeset
|
99 |
entity.view(default, w=self.w) |
6c6dbc0df829
MUST NOT consider req.form['rql'] in a view, use len(rset) > 1 to detect if we can apply tabs or not
sylvain.thenault@logilab.fr
parents:
1112
diff
changeset
|
100 |
return |
2673
9e639925ca2f
Backed out changeset 3e1d2ab5f8c0 (restore ui.tabs.js instead of jquery tools)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
2123
diff
changeset
|
101 |
self.req.add_css('ui.tabs.css') |
9e639925ca2f
Backed out changeset 3e1d2ab5f8c0 (restore ui.tabs.js instead of jquery tools)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
2123
diff
changeset
|
102 |
self.req.add_js(('ui.core.js', 'ui.tabs.js', |
522
385ce5e0b30b
cubicweb__loadurl -> cubicweb:lazyloadurl
sylvain.thenault@logilab.fr
parents:
510
diff
changeset
|
103 |
'cubicweb.ajax.js', 'cubicweb.tabs.js', 'cubicweb.lazy.js')) |
490
b84d64db2350
[tabs] prune tab set _before_ computing & setting 'active' tab
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
489
diff
changeset
|
104 |
# prune tabs : not all are to be shown |
b84d64db2350
[tabs] prune tab set _before_ computing & setting 'active' tab
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
489
diff
changeset
|
105 |
tabs = self.prune_tabs(tabs) |
b84d64db2350
[tabs] prune tab set _before_ computing & setting 'active' tab
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
489
diff
changeset
|
106 |
# select a tab |
485
0f830732be19
[tabs] provide a working tabs implementation, that lazy-loads tab content & should remember the current position
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
235
diff
changeset
|
107 |
active_tab = self.active_tab(tabs, default) |
214
aaf2957bf69e
tabview is used to call each view for each tab
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff
changeset
|
108 |
# build the html structure |
235
b43362d92a1d
rename to tabs.py
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents:
220
diff
changeset
|
109 |
w = self.w |
2386
b246d5cee44e
[tabs] backport entity-less support for tabs
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
2383
diff
changeset
|
110 |
uid = entity and entity.eid or make_uid('tab') |
b246d5cee44e
[tabs] backport entity-less support for tabs
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
2383
diff
changeset
|
111 |
w(u'<div id="entity-tabs-%s">' % uid) |
2673
9e639925ca2f
Backed out changeset 3e1d2ab5f8c0 (restore ui.tabs.js instead of jquery tools)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
2123
diff
changeset
|
112 |
w(u'<ul>') |
214
aaf2957bf69e
tabview is used to call each view for each tab
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff
changeset
|
113 |
for tab in tabs: |
235
b43362d92a1d
rename to tabs.py
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents:
220
diff
changeset
|
114 |
w(u'<li>') |
b43362d92a1d
rename to tabs.py
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents:
220
diff
changeset
|
115 |
w(u'<a href="#as-%s">' % tab) |
606
40c7c2cf0797
[tabs] reuse the new set_cookie controller method
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
559
diff
changeset
|
116 |
w(u'<span onclick="set_tab(\'%s\', \'%s\')">' % (tab, self.cookie_name)) |
235
b43362d92a1d
rename to tabs.py
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents:
220
diff
changeset
|
117 |
w(self.req._(tab)) |
b43362d92a1d
rename to tabs.py
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents:
220
diff
changeset
|
118 |
w(u'</span>') |
b43362d92a1d
rename to tabs.py
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents:
220
diff
changeset
|
119 |
w(u'</a>') |
b43362d92a1d
rename to tabs.py
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents:
220
diff
changeset
|
120 |
w(u'</li>') |
b43362d92a1d
rename to tabs.py
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents:
220
diff
changeset
|
121 |
w(u'</ul>') |
b43362d92a1d
rename to tabs.py
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents:
220
diff
changeset
|
122 |
w(u'</div>') |
490
b84d64db2350
[tabs] prune tab set _before_ computing & setting 'active' tab
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
489
diff
changeset
|
123 |
for tab in tabs: |
2673
9e639925ca2f
Backed out changeset 3e1d2ab5f8c0 (restore ui.tabs.js instead of jquery tools)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
2123
diff
changeset
|
124 |
w(u'<div id="as-%s">' % tab) |
1997
554eb4dd533d
[views] get tabs to work with startup views
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents:
1977
diff
changeset
|
125 |
if entity: |
554eb4dd533d
[views] get tabs to work with startup views
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents:
1977
diff
changeset
|
126 |
self.lazyview(tab, eid=entity.eid) |
554eb4dd533d
[views] get tabs to work with startup views
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents:
1977
diff
changeset
|
127 |
else: |
554eb4dd533d
[views] get tabs to work with startup views
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents:
1977
diff
changeset
|
128 |
self.lazyview(tab, static=True) |
485
0f830732be19
[tabs] provide a working tabs implementation, that lazy-loads tab content & should remember the current position
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
235
diff
changeset
|
129 |
w(u'</div>') |
543
c0f2b6378f70
simplification of lazy tabs mechanism
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
542
diff
changeset
|
130 |
# call the set_tab() JS function *after* each tab is generated |
c0f2b6378f70
simplification of lazy tabs mechanism
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
542
diff
changeset
|
131 |
# because the callback binding needs to be done before |
2383
96780c1e0c53
shrink a bit the tabs
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
2381
diff
changeset
|
132 |
# XXX make work history: true |
2293 | 133 |
self.req.add_onload(u''' |
2674
ff6114c2c416
merge (after jquery.tools backout)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
diff
changeset
|
134 |
jQuery('#entity-tabs-%(eeid)s > ul').tabs( { selected: %(tabindex)s }); |
ff6114c2c416
merge (after jquery.tools backout)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
diff
changeset
|
135 |
set_tab('%(vid)s', '%(cookiename)s'); |
ff6114c2c416
merge (after jquery.tools backout)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
diff
changeset
|
136 |
''' % {'tabindex' : tabs.index(active_tab), |
ff6114c2c416
merge (after jquery.tools backout)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
diff
changeset
|
137 |
'vid' : active_tab, |
ff6114c2c416
merge (after jquery.tools backout)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
diff
changeset
|
138 |
'eeid' : (entity and entity.eid or uid), |
ff6114c2c416
merge (after jquery.tools backout)
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
diff
changeset
|
139 |
'cookiename' : self.cookie_name}) |
489 | 140 |
|
982
ba5257deec7d
rename EntityRelatedTab into EntityRelationView, some fixes
sylvain.thenault@logilab.fr
parents:
981
diff
changeset
|
141 |
class EntityRelationView(EntityView): |
ba5257deec7d
rename EntityRelatedTab into EntityRelationView, some fixes
sylvain.thenault@logilab.fr
parents:
981
diff
changeset
|
142 |
"""view displaying entity related stuff. |
489 | 143 |
Such a view _must_ provide the rtype, target and vid attributes : |
144 |
||
145 |
Example : |
|
146 |
||
147 |
class ProjectScreenshotsView(EntityRelationView): |
|
542
46d4ff5aa917
use lgc.decorators.monkeypatch in tabs.py
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
522
diff
changeset
|
148 |
'''display project's screenshots''' |
489 | 149 |
id = title = _('projectscreenshots') |
982
ba5257deec7d
rename EntityRelatedTab into EntityRelationView, some fixes
sylvain.thenault@logilab.fr
parents:
981
diff
changeset
|
150 |
__select__ = EntityRelationView.__select__ & implements('Project') |
489 | 151 |
rtype = 'screenshot' |
982
ba5257deec7d
rename EntityRelatedTab into EntityRelationView, some fixes
sylvain.thenault@logilab.fr
parents:
981
diff
changeset
|
152 |
role = 'subject' |
489 | 153 |
vid = 'gallery' |
154 |
||
982
ba5257deec7d
rename EntityRelatedTab into EntityRelationView, some fixes
sylvain.thenault@logilab.fr
parents:
981
diff
changeset
|
155 |
in this example, entities related to project entity by the'screenshot' |
ba5257deec7d
rename EntityRelatedTab into EntityRelationView, some fixes
sylvain.thenault@logilab.fr
parents:
981
diff
changeset
|
156 |
relation (where the project is subject of the relation) will be displayed |
ba5257deec7d
rename EntityRelatedTab into EntityRelationView, some fixes
sylvain.thenault@logilab.fr
parents:
981
diff
changeset
|
157 |
using the 'gallery' view. |
489 | 158 |
""" |
838
f2c56312b03a
rename abstract_* selectors into partial_* + add docstrings
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
782
diff
changeset
|
159 |
__select__ = EntityView.__select__ & partial_has_related_entities() |
489 | 160 |
vid = 'list' |
1802
d628defebc17
delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
1498
diff
changeset
|
161 |
|
489 | 162 |
def cell_call(self, row, col): |
542
46d4ff5aa917
use lgc.decorators.monkeypatch in tabs.py
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
522
diff
changeset
|
163 |
rset = self.entity(row, col).related(self.rtype, role(self)) |
489 | 164 |
self.w(u'<div class="mainInfo">') |
982
ba5257deec7d
rename EntityRelatedTab into EntityRelationView, some fixes
sylvain.thenault@logilab.fr
parents:
981
diff
changeset
|
165 |
if self.title: |
1014 | 166 |
self.w(tags.h1(self.req._(self.title))) |
489 | 167 |
self.wview(self.vid, rset, 'noresult') |
168 |
self.w(u'</div>') |