author | Sylvain Thénault <sylvain.thenault@logilab.fr> |
Fri, 13 Nov 2009 11:16:24 +0100 | |
branch | stable |
changeset 3840 | 2eff4348b1e4 |
parent 3596 | 8719de6d7155 |
child 3629 | 559cad62c786 |
child 3888 | 6f145783409d |
permissions | -rw-r--r-- |
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"""Set of tree-building widgets, based on jQuery treeview plugin |
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2 |
|
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:organization: Logilab |
1977
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:copyright: 2001-2009 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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__docformat__ = "restructuredtext en" |
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|
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import simplejson as json |
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from logilab.common.decorators import monkeypatch |
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from logilab.mtconverter import xml_escape |
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from cubicweb.utils import make_uid |
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from cubicweb.interfaces import ITree |
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from cubicweb.selectors import implements |
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from cubicweb.view import EntityView |
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|
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def treecookiename(treeid): |
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return str('%s-treestate' % treeid) |
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class TreeView(EntityView): |
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id = 'treeview' |
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itemvid = 'treeitemview' |
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subvid = 'oneline' |
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css_classes = 'treeview widget' |
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title = _('tree view') |
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def _init_params(self, subvid, treeid, initial_load, initial_thru_ajax, morekwargs): |
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form = self.req.form |
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if subvid is None: |
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subvid = form.pop('treesubvid', self.subvid) # consume it |
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if treeid is None: |
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treeid = form.pop('treeid', None) |
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if treeid is None: |
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treeid = 'throw_away' + make_uid('uid') |
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if 'morekwargs' in self.req.form: |
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ajaxargs = json.loads(form.pop('morekwargs')) |
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# got unicode & python keywords must be strings |
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morekwargs.update(dict((str(k), v) |
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for k, v in ajaxargs.iteritems())) |
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toplevel_thru_ajax = form.pop('treeview_top', False) or initial_thru_ajax |
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toplevel = toplevel_thru_ajax or (initial_load and not form.get('fname')) |
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return subvid, treeid, toplevel_thru_ajax, toplevel |
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def _init_headers(self, treeid, toplevel_thru_ajax): |
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self.req.add_css('jquery.treeview.css') |
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self.req.add_js(('cubicweb.ajax.js', 'cubicweb.widgets.js', 'jquery.treeview.js')) |
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self.req.html_headers.add_onload(u""" |
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jQuery("#tree-%s").treeview({toggle: toggleTree, prerendered: true});""" % treeid, |
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jsoncall=toplevel_thru_ajax) |
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def call(self, subvid=None, treeid=None, |
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initial_load=True, initial_thru_ajax=False, **morekwargs): |
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subvid, treeid, toplevel_thru_ajax, toplevel = self._init_params( |
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subvid, treeid, initial_load, initial_thru_ajax, morekwargs) |
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ulid = ' ' |
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if toplevel: |
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self._init_headers(treeid, toplevel_thru_ajax) |
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ulid = ' id="tree-%s"' % treeid |
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self.w(u'<ul%s class="%s">' % (ulid, self.css_classes)) |
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for rowidx in xrange(len(self.rset)): |
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self.wview(self.itemvid, self.rset, row=rowidx, col=0, |
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vid=subvid, parentvid=self.id, treeid=treeid, **morekwargs) |
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self.w(u'</ul>') |
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def cell_call(self, *args, **allargs): |
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""" does not makes much sense until you have to invoke |
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somentity.view('treeview') """ |
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allargs.pop('row') |
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allargs.pop('col') |
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self.call(*args, **allargs) |
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class FileTreeView(TreeView): |
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"""specific version of the treeview to display file trees |
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""" |
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id = 'filetree' |
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css_classes = 'treeview widget filetree' |
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title = _('file tree view') |
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def call(self, subvid=None, treeid=None, initial_load=True, **kwargs): |
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super(FileTreeView, self).call(treeid=treeid, subvid='filetree-oneline', |
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initial_load=initial_load, **kwargs) |
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class FileItemInnerView(EntityView): |
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"""inner view used by the TreeItemView instead of oneline view |
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|
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This view adds an enclosing <span> with some specific CSS classes |
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around the oneline view. This is needed by the jquery treeview plugin. |
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""" |
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id = 'filetree-oneline' |
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def cell_call(self, row, col): |
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entity = self.entity(row, col) |
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if ITree.is_implemented_by(entity.__class__) and not entity.is_leaf(): |
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self.w(u'<div class="folder">%s</div>\n' % entity.view('oneline')) |
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else: |
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# XXX define specific CSS classes according to mime types |
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self.w(u'<div class="file">%s</div>\n' % entity.view('oneline')) |
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||
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class DefaultTreeViewItemView(EntityView): |
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"""default treeitem view for entities which don't implement ITree""" |
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id = 'treeitemview' |
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def cell_call(self, row, col, vid='oneline', parentvid='treeview', treeid=None): |
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assert treeid is not None |
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entity = self.entity(row, col) |
109 |
itemview = self.view(vid, self.rset, row=row, col=col) |
|
110 |
if row == len(self.rset) - 1: |
|
111 |
self.w(u'<li class="last">%s</li>' % itemview) |
|
112 |
else: |
|
472 | 113 |
self.w(u'<li>%s</li>' % itemview) |
0 | 114 |
|
115 |
||
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class TreeViewItemView(EntityView): |
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"""specific treeitem view for entities which implement ITree |
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118 |
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(each item should be expandable if it's not a tree leaf) |
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""" |
121 |
id = 'treeitemview' |
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default_branch_state_is_open = False |
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__select__ = EntityView.__select__ & implements(ITree) |
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124 |
|
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125 |
def open_state(self, eeid, treeid): |
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126 |
cookies = self.req.get_cookie() |
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127 |
treestate = cookies.get(treecookiename(treeid)) |
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128 |
if treestate: |
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return str(eeid) in treestate.value.split(';') |
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return self.default_branch_state_is_open |
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131 |
|
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132 |
def cell_call(self, row, col, treeid, vid='oneline', parentvid='treeview', **morekwargs): |
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w = self.w |
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entity = self.entity(row, col) |
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135 |
liclasses = [] |
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136 |
is_last = row == len(self.rset) - 1 |
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is_open = self.open_state(entity.eid, treeid) |
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138 |
is_leaf = not hasattr(entity, 'is_leaf') or entity.is_leaf() |
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if is_leaf: |
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140 |
if is_last: |
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141 |
liclasses.append('last') |
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142 |
w(u'<li class="%s">' % u' '.join(liclasses)) |
0 | 143 |
else: |
144 |
rql = entity.children_rql() % {'x': entity.eid} |
|
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145 |
url = xml_escape(self.build_url('json', rql=rql, vid=parentvid, |
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|
146 |
pageid=self.req.pageid, |
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147 |
treeid=treeid, |
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148 |
fname='view', |
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149 |
treesubvid=vid, |
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150 |
morekwargs=json.dumps(morekwargs))) |
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151 |
divclasses = ['hitarea'] |
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152 |
if is_open: |
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153 |
liclasses.append('collapsable') |
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154 |
divclasses.append('collapsable-hitarea') |
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155 |
else: |
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156 |
liclasses.append('expandable') |
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157 |
divclasses.append('expandable-hitarea') |
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158 |
if is_last: |
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159 |
if is_open: |
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160 |
liclasses.append('lastCollapsable') |
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161 |
divclasses.append('lastCollapsable-hitarea') |
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162 |
else: |
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|
163 |
liclasses.append('lastExpandable') |
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|
164 |
divclasses.append('lastExpandable-hitarea') |
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|
165 |
if is_open: |
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|
166 |
w(u'<li class="%s">' % u' '.join(liclasses)) |
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|
167 |
else: |
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|
168 |
w(u'<li cubicweb:loadurl="%s" class="%s">' % (url, u' '.join(liclasses))) |
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|
169 |
if treeid.startswith('throw_away'): |
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|
170 |
divtail = '' |
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171 |
else: |
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|
172 |
divtail = """ onclick="asyncRemoteExec('node_clicked', '%s', '%s')" """ %\ |
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|
173 |
(treeid, entity.eid) |
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|
174 |
w(u'<div class="%s"%s></div>' % (u' '.join(divclasses), divtail)) |
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|
175 |
|
0 | 176 |
# add empty <ul> because jquery's treeview plugin checks for |
177 |
# sublists presence |
|
1826
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|
178 |
if not is_open: |
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|
179 |
w(u'<ul class="placeholder"><li>place holder</li></ul>') |
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|
180 |
# the local node info |
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|
181 |
self.wview(vid, self.rset, row=row, col=col, **morekwargs) |
2216
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|
182 |
if is_open and not is_leaf: # => rql is defined |
3596
8719de6d7155
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|
183 |
self.wview(parentvid, self.req.execute(rql), subvid=vid, treeid=treeid, |
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|
184 |
initial_load=False, **morekwargs) |
1826
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|
185 |
w(u'</li>') |
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|
186 |