--- a/web/views/treeview.py Mon Jan 04 18:40:30 2016 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,315 +0,0 @@
-# copyright 2003-2011 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
-# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
-#
-# This file is part of CubicWeb.
-#
-# CubicWeb is free software: you can redistribute it and/or modify it under the
-# terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation, either version 2.1 of the License, or (at your option)
-# any later version.
-#
-# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
-# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
-# details.
-#
-# You should have received a copy of the GNU Lesser General Public License along
-# with CubicWeb. If not, see <http://www.gnu.org/licenses/>.
-"""Set of tree views / tree-building widgets, some based on jQuery treeview
-plugin.
-"""
-
-__docformat__ = "restructuredtext en"
-from cubicweb import _
-
-from warnings import warn
-
-from logilab.mtconverter import xml_escape
-
-from cubicweb.utils import make_uid, json
-from cubicweb.predicates import adaptable
-from cubicweb.view import EntityView
-from cubicweb.web.views import baseviews
-from cubicweb.web.views.ajaxcontroller import ajaxfunc
-
-def treecookiename(treeid):
- return str('%s-treestate' % treeid)
-
-def _done_init(done, view, row, col):
- """handle an infinite recursion safety belt"""
- if done is None:
- done = set()
- entity = view.cw_rset.get_entity(row, col)
- if entity.eid in done:
- msg = entity._cw._('loop in %(rel)s relation (%(eid)s)') % {
- 'rel': entity.cw_adapt_to('ITree').tree_relation,
- 'eid': entity.eid
- }
- return None, msg
- done.add(entity.eid)
- return done, entity
-
-
-class BaseTreeView(baseviews.ListView):
- """base tree view"""
- __regid__ = 'tree'
- __select__ = adaptable('ITree')
- item_vid = 'treeitem'
-
- def call(self, done=None, **kwargs):
- if done is None:
- done = set()
- super(BaseTreeView, self).call(done=done, **kwargs)
-
- def cell_call(self, row, col=0, vid=None, done=None, maxlevel=None, klass=None, **kwargs):
- assert maxlevel is None or maxlevel > 0
- done, entity = _done_init(done, self, row, col)
- if done is None:
- # entity is actually an error message
- self.w(u'<li class="badcontent">%s</li>' % entity)
- return
- self.open_item(entity)
- entity.view(vid or self.item_vid, w=self.w, **kwargs)
- if maxlevel is not None:
- maxlevel -= 1
- if maxlevel == 0:
- self.close_item(entity)
- return
- relatedrset = entity.cw_adapt_to('ITree').children(entities=False)
- self.wview(self.__regid__, relatedrset, 'null', done=done,
- maxlevel=maxlevel, klass=klass, **kwargs)
- self.close_item(entity)
-
- def open_item(self, entity):
- self.w(u'<li class="%s">\n' % entity.cw_etype.lower())
- def close_item(self, entity):
- self.w(u'</li>\n')
-
-
-class TreePathView(EntityView):
- """a recursive path view"""
- __regid__ = 'path'
- __select__ = adaptable('ITree')
- item_vid = 'oneline'
- separator = u' > '
-
- def call(self, **kwargs):
- self.w(u'<div class="pathbar">')
- super(TreePathView, self).call(**kwargs)
- self.w(u'</div>')
-
- def cell_call(self, row, col=0, vid=None, done=None, **kwargs):
- done, entity = _done_init(done, self, row, col)
- if done is None:
- # entity is actually an error message
- self.w(u'<span class="badcontent">%s</span>' % entity)
- return
- parent = entity.cw_adapt_to('ITree').parent()
- if parent:
- parent.view(self.__regid__, w=self.w, done=done)
- self.w(self.separator)
- entity.view(vid or self.item_vid, w=self.w)
-
-
-class TreeComboBoxView(TreePathView):
- """display folder in edition's combobox"""
- __regid__ = 'combobox'
- item_vid = 'text'
- separator = u' > '
-
-# XXX rename regid to ajaxtree/foldabletree or something like that (same for
-# treeitemview)
-class TreeView(EntityView):
- """ajax tree view, click to expand folder"""
-
- __regid__ = 'treeview'
- itemvid = 'treeitemview'
- subvid = 'oneline'
- cssclass = 'treeview widget'
- title = _('tree view')
-
- def _init_params(self, subvid, treeid, initial_load, initial_thru_ajax, morekwargs):
- form = self._cw.form
- if subvid is None:
- subvid = form.pop('treesubvid', self.subvid) # consume it
- if treeid is None:
- treeid = form.pop('treeid', None)
- if treeid is None:
- treeid = 'throw_away' + make_uid('uid')
- if 'morekwargs' in self._cw.form:
- ajaxargs = json.loads(form.pop('morekwargs'))
- # got unicode & python keywords must be strings
- morekwargs.update(dict((str(k), v)
- for k, v in ajaxargs.items()))
- toplevel_thru_ajax = form.pop('treeview_top', False) or initial_thru_ajax
- toplevel = toplevel_thru_ajax or (initial_load and not form.get('fname'))
- return subvid, treeid, toplevel_thru_ajax, toplevel
-
- def _init_headers(self, treeid):
- self._cw.add_css(('jquery-treeview/jquery.treeview.css', 'cubicweb.treeview.css'))
- self._cw.add_js(('cubicweb.ajax.js', 'cubicweb.widgets.js', 'jquery-treeview/jquery.treeview.js'))
- self._cw.html_headers.add_onload(u"""
-jQuery("#tree-%s").treeview({toggle: toggleTree, prerendered: true});""" % treeid)
-
- def call(self, subvid=None, treeid=None,
- initial_load=True, initial_thru_ajax=False, **morekwargs):
- subvid, treeid, toplevel_thru_ajax, toplevel = self._init_params(
- subvid, treeid, initial_load, initial_thru_ajax, morekwargs)
- ulid = ' '
- if toplevel:
- self._init_headers(treeid)
- ulid = ' id="tree-%s"' % treeid
- self.w(u'<ul%s class="%s">' % (ulid, self.cssclass))
- # XXX force sorting on x.sortvalue() (which return dc_title by default)
- # we need proper ITree & co specification to avoid this.
- # (pb when type ambiguity at the other side of the tree relation,
- # unability to provide generic implementation on eg Folder...)
- for i, entity in enumerate(sorted(self.cw_rset.entities(),
- key=lambda x: x.sortvalue())):
- if i+1 < len(self.cw_rset):
- morekwargs['is_last'] = False
- else:
- morekwargs['is_last'] = True
- entity.view(self.itemvid, vid=subvid, parentvid=self.__regid__,
- treeid=treeid, w=self.w, **morekwargs)
- self.w(u'</ul>')
-
- def cell_call(self, *args, **allargs):
- """ does not makes much sense until you have to invoke
- somentity.view('treeview') """
- allargs.pop('row')
- allargs.pop('col')
- self.call(*args, **allargs)
-
-
-class FileTreeView(TreeView):
- """specific version of the treeview to display file trees
- """
- __regid__ = 'filetree'
- cssclass = 'treeview widget filetree'
- title = _('file tree view')
-
- def call(self, subvid=None, treeid=None, initial_load=True, **kwargs):
- super(FileTreeView, self).call(treeid=treeid, subvid='filetree-oneline',
- initial_load=initial_load, **kwargs)
-
-class FileItemInnerView(EntityView):
- """inner view used by the TreeItemView instead of oneline view
-
- This view adds an enclosing <span> with some specific CSS classes
- around the oneline view. This is needed by the jquery treeview plugin.
- """
- __regid__ = 'filetree-oneline'
-
- def cell_call(self, row, col):
- entity = self.cw_rset.get_entity(row, col)
- itree = entity.cw_adapt_to('ITree')
- if itree and not itree.is_leaf():
- self.w(u'<div class="folder">%s</div>\n' % entity.view('oneline'))
- else:
- # XXX define specific CSS classes according to mime types
- self.w(u'<div class="file">%s</div>\n' % entity.view('oneline'))
-
-
-class DefaultTreeViewItemView(EntityView):
- """default treeitem view for entities which don't adapt to ITree"""
- __regid__ = 'treeitemview'
-
- def cell_call(self, row, col, vid='oneline', treeid=None, **morekwargs):
- assert treeid is not None
- itemview = self._cw.view(vid, self.cw_rset, row=row, col=col)
- last_class = morekwargs['is_last'] and ' class="last"' or ''
- self.w(u'<li%s>%s</li>' % (last_class, itemview))
-
-
-class TreeViewItemView(EntityView):
- """specific treeitem view for entities which adapt to ITree
-
- (each item should be expandable if it's not a tree leaf)
- """
- __regid__ = 'treeitemview'
- __select__ = adaptable('ITree')
- default_branch_state_is_open = False
-
- def open_state(self, eeid, treeid):
- cookies = self._cw.get_cookie()
- treestate = cookies.get(treecookiename(treeid))
- if treestate:
- return str(eeid) in treestate.value.split(':')
- return self.default_branch_state_is_open
-
- def cell_call(self, row, col, treeid, vid='oneline', parentvid='treeview',
- is_last=False, **morekwargs):
- w = self.w
- entity = self.cw_rset.get_entity(row, col)
- itree = entity.cw_adapt_to('ITree')
- liclasses = []
- if self._cw.url(includeparams=False) == entity.absolute_url():
- liclasses.append(u'selected')
- is_open = self.open_state(entity.eid, treeid)
- is_leaf = itree is None or itree.is_leaf()
- if is_leaf:
- if is_last:
- liclasses.append('last')
- w(u'<li class="%s">' % u' '.join(liclasses))
- else:
- rql = itree.children_rql() % {'x': entity.eid}
- url = xml_escape(self._cw.build_url('ajax', rql=rql, vid=parentvid,
- pageid=self._cw.pageid,
- treeid=treeid,
- fname='view',
- treesubvid=vid,
- morekwargs=json.dumps(morekwargs)))
- divclasses = ['hitarea']
- if is_open:
- liclasses.append('collapsable')
- divclasses.append('collapsable-hitarea')
- else:
- liclasses.append('expandable')
- divclasses.append('expandable-hitarea')
- if is_last:
- if is_open:
- liclasses.append('lastCollapsable')
- divclasses.append('lastCollapsable-hitarea')
- else:
- liclasses.append('lastExpandable')
- divclasses.append('lastExpandable-hitarea')
- if is_open:
- w(u'<li class="%s">' % u' '.join(liclasses))
- else:
- w(u'<li cubicweb:loadurl="%s" class="%s">' % (url, u' '.join(liclasses)))
- if treeid.startswith('throw_away'):
- divtail = ''
- else:
- divtail = """ onclick="asyncRemoteExec('node_clicked', '%s', '%s')" """ % (
- treeid, entity.eid)
- w(u'<div class="%s"%s></div>' % (u' '.join(divclasses), divtail))
-
- # add empty <ul> because jquery's treeview plugin checks for
- # sublists presence
- if not is_open:
- w(u'<ul class="placeholder"><li>place holder</li></ul>')
- # the local node info
- self.wview(vid, self.cw_rset, row=row, col=col, **morekwargs)
- if is_open and not is_leaf: # => rql is defined
- self.wview(parentvid, itree.children(entities=False), subvid=vid,
- treeid=treeid, initial_load=False, **morekwargs)
- w(u'</li>')
-
-
-
-@ajaxfunc
-def node_clicked(self, treeid, nodeeid):
- """add/remove eid in treestate cookie"""
- cookies = self._cw.get_cookie()
- statename = treecookiename(treeid)
- treestate = cookies.get(statename)
- if treestate is None:
- self._cw.set_cookie(statename, nodeeid)
- else:
- marked = set(filter(None, treestate.value.split(':')))
- if nodeeid in marked:
- marked.remove(nodeeid)
- else:
- marked.add(nodeeid)
- self._cw.set_cookie(statename, ':'.join(marked))