author | Sylvain Thénault <sylvain.thenault@logilab.fr> |
Wed, 09 Jun 2010 10:06:46 +0200 | |
changeset 5696 | 98d390c28edb |
parent 5694 | ce2c108a9595 |
parent 5693 | 8af6623f3d4e |
child 5716 | 0e2af244dea5 |
permissions | -rw-r--r-- |
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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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"""Set of tree views / tree-building widgets, some based on jQuery treeview |
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plugin. |
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""" |
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__docformat__ = "restructuredtext en" |
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from warnings import warn |
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from itertools import chain |
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use xml_escape
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from logilab.mtconverter import xml_escape |
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from logilab.common.decorators import cached |
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from cubicweb.utils import make_uid |
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from cubicweb.selectors import implements, adaptable |
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from cubicweb.view import EntityView, EntityAdapter, implements_adapter_compat |
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from cubicweb.mixins import _done_init |
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from cubicweb.web import json |
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from cubicweb.interfaces import ITree |
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from cubicweb.web.views import baseviews |
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def treecookiename(treeid): |
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return str('%s-treestate' % treeid) |
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class ITreeAdapter(EntityAdapter): |
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"""This adapter has to be overriden to be configured using the |
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tree_relation, child_role and parent_role class attributes to |
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benefit from this default implementation |
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""" |
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__regid__ = 'ITree' |
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__select__ = implements(ITree) # XXX for bw compat, else should be abstract |
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tree_relation = None |
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child_role = 'subject' |
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parent_role = 'object' |
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@implements_adapter_compat('ITree') |
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def children_rql(self): |
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"""returns RQL to get children |
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XXX should be removed from the public interface |
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""" |
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return self.entity.cw_related_rql(self.tree_relation, self.parent_role) |
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@implements_adapter_compat('ITree') |
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def different_type_children(self, entities=True): |
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"""return children entities of different type as this entity. |
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according to the `entities` parameter, return entity objects or the |
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equivalent result set |
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""" |
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res = self.entity.related(self.tree_relation, self.parent_role, |
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entities=entities) |
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eschema = self.entity.e_schema |
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if entities: |
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return [e for e in res if e.e_schema != eschema] |
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return res.filtered_rset(lambda x: x.e_schema != eschema, self.entity.cw_col) |
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@implements_adapter_compat('ITree') |
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def same_type_children(self, entities=True): |
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"""return children entities of the same type as this entity. |
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according to the `entities` parameter, return entity objects or the |
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equivalent result set |
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""" |
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res = self.entity.related(self.tree_relation, self.parent_role, |
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entities=entities) |
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eschema = self.entity.e_schema |
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if entities: |
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return [e for e in res if e.e_schema == eschema] |
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return res.filtered_rset(lambda x: x.e_schema is eschema, self.entity.cw_col) |
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@implements_adapter_compat('ITree') |
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def is_leaf(self): |
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"""returns true if this node as no child""" |
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return len(self.children()) == 0 |
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@implements_adapter_compat('ITree') |
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def is_root(self): |
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"""returns true if this node has no parent""" |
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return self.parent() is None |
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99 |
|
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100 |
@implements_adapter_compat('ITree') |
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101 |
def root(self): |
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102 |
"""return the root object""" |
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103 |
return self._cw.entity_from_eid(self.path()[0]) |
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104 |
|
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105 |
@implements_adapter_compat('ITree') |
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106 |
def parent(self): |
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107 |
"""return the parent entity if any, else None (e.g. if we are on the |
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108 |
root) |
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109 |
""" |
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110 |
try: |
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111 |
return self.entity.related(self.tree_relation, self.child_role, |
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112 |
entities=True)[0] |
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113 |
except (KeyError, IndexError): |
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114 |
return None |
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115 |
|
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116 |
@implements_adapter_compat('ITree') |
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117 |
def children(self, entities=True, sametype=False): |
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118 |
"""return children entities |
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119 |
|
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120 |
according to the `entities` parameter, return entity objects or the |
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121 |
equivalent result set |
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122 |
""" |
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123 |
if sametype: |
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124 |
return self.same_type_children(entities) |
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125 |
else: |
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126 |
return self.entity.related(self.tree_relation, self.parent_role, |
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127 |
entities=entities) |
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128 |
|
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129 |
@implements_adapter_compat('ITree') |
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130 |
def iterparents(self, strict=True): |
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131 |
def _uptoroot(self): |
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132 |
curr = self |
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133 |
while True: |
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134 |
curr = curr.parent() |
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135 |
if curr is None: |
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136 |
break |
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137 |
yield curr |
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138 |
curr = curr.cw_adapt_to('ITree') |
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139 |
if not strict: |
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140 |
return chain([self.entity], _uptoroot(self)) |
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141 |
return _uptoroot(self) |
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142 |
|
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143 |
@implements_adapter_compat('ITree') |
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144 |
def iterchildren(self, _done=None): |
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145 |
"""iterates over the item's children""" |
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146 |
if _done is None: |
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147 |
_done = set() |
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148 |
for child in self.children(): |
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149 |
if child.eid in _done: |
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150 |
self.error('loop in %s tree', child.__regid__.lower()) |
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151 |
continue |
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152 |
yield child |
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153 |
_done.add(child.eid) |
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154 |
|
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155 |
@implements_adapter_compat('ITree') |
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156 |
def prefixiter(self, _done=None): |
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157 |
if _done is None: |
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158 |
_done = set() |
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159 |
if self.entity.eid in _done: |
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160 |
return |
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161 |
_done.add(self.entity.eid) |
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162 |
yield self.entity |
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163 |
for child in self.same_type_children(): |
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164 |
for entity in child.cw_adapt_to('ITree').prefixiter(_done): |
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165 |
yield entity |
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166 |
|
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167 |
@cached |
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168 |
@implements_adapter_compat('ITree') |
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169 |
def path(self): |
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170 |
"""returns the list of eids from the root object to this object""" |
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171 |
path = [] |
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172 |
adapter = self |
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173 |
entity = adapter.entity |
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174 |
while entity is not None: |
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175 |
if entity.eid in path: |
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176 |
self.error('loop in %s tree', entity.__regid__.lower()) |
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177 |
break |
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178 |
path.append(entity.eid) |
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179 |
try: |
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180 |
# check we are not jumping to another tree |
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181 |
if (adapter.tree_relation != self.tree_relation or |
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182 |
adapter.child_role != self.child_role): |
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183 |
break |
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184 |
entity = adapter.parent() |
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185 |
adapter = entity.cw_adapt_to('ITree') |
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186 |
except AttributeError: |
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187 |
break |
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188 |
path.reverse() |
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189 |
return path |
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190 |
|
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191 |
|
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192 |
class BaseTreeView(baseviews.ListView): |
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193 |
"""base tree view""" |
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194 |
__regid__ = 'tree' |
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195 |
__select__ = adaptable('ITree') |
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196 |
item_vid = 'treeitem' |
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197 |
|
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198 |
def call(self, done=None, **kwargs): |
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199 |
if done is None: |
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200 |
done = set() |
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super(BaseTreeView, self).call(done=done, **kwargs) |
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202 |
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203 |
def cell_call(self, row, col=0, vid=None, done=None, **kwargs): |
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done, entity = _done_init(done, self, row, col) |
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205 |
if done is None: |
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206 |
# entity is actually an error message |
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207 |
self.w(u'<li class="badcontent">%s</li>' % entity) |
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208 |
return |
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209 |
self.open_item(entity) |
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210 |
entity.view(vid or self.item_vid, w=self.w, **kwargs) |
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211 |
relatedrset = entity.cw_adapt_to('ITree').children(entities=False) |
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212 |
self.wview(self.__regid__, relatedrset, 'null', done=done, **kwargs) |
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213 |
self.close_item(entity) |
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214 |
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215 |
def open_item(self, entity): |
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216 |
self.w(u'<li class="%s">\n' % entity.__regid__.lower()) |
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217 |
def close_item(self, entity): |
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218 |
self.w(u'</li>\n') |
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219 |
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220 |
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221 |
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222 |
class TreePathView(EntityView): |
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223 |
"""a recursive path view""" |
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224 |
__regid__ = 'path' |
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225 |
__select__ = adaptable('ITree') |
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226 |
item_vid = 'oneline' |
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227 |
separator = u' > ' |
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228 |
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229 |
def call(self, **kwargs): |
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230 |
self.w(u'<div class="pathbar">') |
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231 |
super(TreePathView, self).call(**kwargs) |
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232 |
self.w(u'</div>') |
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233 |
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234 |
def cell_call(self, row, col=0, vid=None, done=None, **kwargs): |
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235 |
done, entity = _done_init(done, self, row, col) |
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236 |
if done is None: |
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237 |
# entity is actually an error message |
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238 |
self.w(u'<span class="badcontent">%s</span>' % entity) |
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239 |
return |
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240 |
parent = entity.cw_adapt_to('ITree').parent_entity() |
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241 |
if parent: |
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242 |
parent.view(self.__regid__, w=self.w, done=done) |
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243 |
self.w(self.separator) |
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244 |
entity.view(vid or self.item_vid, w=self.w) |
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245 |
|
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246 |
|
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247 |
# XXX rename regid to ajaxtree/foldabletree or something like that (same for |
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248 |
# treeitemview) |
0 | 249 |
class TreeView(EntityView): |
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250 |
"""ajax tree view, click to expand folder""" |
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251 |
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252 |
__regid__ = 'treeview' |
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itemvid = 'treeitemview' |
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254 |
subvid = 'oneline' |
443 | 255 |
css_classes = 'treeview widget' |
256 |
title = _('tree view') |
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257 |
|
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258 |
def _init_params(self, subvid, treeid, initial_load, initial_thru_ajax, morekwargs): |
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form = self._cw.form |
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if subvid is None: |
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261 |
subvid = form.pop('treesubvid', self.subvid) # consume it |
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262 |
if treeid is None: |
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263 |
treeid = form.pop('treeid', None) |
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if treeid is None: |
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265 |
treeid = 'throw_away' + make_uid('uid') |
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266 |
if 'morekwargs' in self._cw.form: |
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267 |
ajaxargs = json.loads(form.pop('morekwargs')) |
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268 |
# got unicode & python keywords must be strings |
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269 |
morekwargs.update(dict((str(k), v) |
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270 |
for k, v in ajaxargs.iteritems())) |
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271 |
toplevel_thru_ajax = form.pop('treeview_top', False) or initial_thru_ajax |
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272 |
toplevel = toplevel_thru_ajax or (initial_load and not form.get('fname')) |
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273 |
return subvid, treeid, toplevel_thru_ajax, toplevel |
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274 |
|
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275 |
def _init_headers(self, treeid, toplevel_thru_ajax): |
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276 |
self._cw.add_css('jquery.treeview.css') |
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277 |
self._cw.add_js(('cubicweb.ajax.js', 'cubicweb.widgets.js', 'jquery.treeview.js')) |
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278 |
self._cw.html_headers.add_onload(u""" |
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279 |
jQuery("#tree-%s").treeview({toggle: toggleTree, prerendered: true});""" % treeid) |
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280 |
|
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281 |
def call(self, subvid=None, treeid=None, |
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282 |
initial_load=True, initial_thru_ajax=False, **morekwargs): |
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283 |
subvid, treeid, toplevel_thru_ajax, toplevel = self._init_params( |
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284 |
subvid, treeid, initial_load, initial_thru_ajax, morekwargs) |
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285 |
ulid = ' ' |
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286 |
if toplevel: |
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287 |
self._init_headers(treeid, toplevel_thru_ajax) |
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288 |
ulid = ' id="tree-%s"' % treeid |
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289 |
self.w(u'<ul%s class="%s">' % (ulid, self.css_classes)) |
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290 |
# XXX force sorting on x.sortvalue() (which return dc_title by default) |
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291 |
# we need proper ITree & co specification to avoid this. |
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292 |
# (pb when type ambiguity at the other side of the tree relation, |
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293 |
# unability to provide generic implementation on eg Folder...) |
4436 | 294 |
for i, entity in enumerate(sorted(self.cw_rset.entities(), |
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295 |
key=lambda x: x.sortvalue())): |
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if i+1 < len(self.cw_rset): |
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297 |
morekwargs['is_last'] = False |
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298 |
else: |
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morekwargs['is_last'] = True |
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entity.view(self.itemvid, vid=subvid, parentvid=self.__regid__, |
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treeid=treeid, w=self.w, **morekwargs) |
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self.w(u'</ul>') |
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303 |
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304 |
def cell_call(self, *args, **allargs): |
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305 |
""" does not makes much sense until you have to invoke |
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306 |
somentity.view('treeview') """ |
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307 |
allargs.pop('row') |
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308 |
allargs.pop('col') |
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309 |
self.call(*args, **allargs) |
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310 |
|
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311 |
|
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312 |
class FileTreeView(TreeView): |
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313 |
"""specific version of the treeview to display file trees |
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314 |
""" |
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315 |
__regid__ = 'filetree' |
443 | 316 |
css_classes = 'treeview widget filetree' |
317 |
title = _('file tree view') |
|
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318 |
|
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319 |
def call(self, subvid=None, treeid=None, initial_load=True, **kwargs): |
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320 |
super(FileTreeView, self).call(treeid=treeid, subvid='filetree-oneline', |
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321 |
initial_load=initial_load, **kwargs) |
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322 |
|
443 | 323 |
class FileItemInnerView(EntityView): |
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324 |
"""inner view used by the TreeItemView instead of oneline view |
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325 |
|
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326 |
This view adds an enclosing <span> with some specific CSS classes |
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327 |
around the oneline view. This is needed by the jquery treeview plugin. |
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328 |
""" |
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329 |
__regid__ = 'filetree-oneline' |
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330 |
|
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331 |
def cell_call(self, row, col): |
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332 |
entity = self.cw_rset.get_entity(row, col) |
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333 |
if entity.cw_adapt_to('ITree') and not entity.is_leaf(): |
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334 |
self.w(u'<div class="folder">%s</div>\n' % entity.view('oneline')) |
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335 |
else: |
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336 |
# XXX define specific CSS classes according to mime types |
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|
337 |
self.w(u'<div class="file">%s</div>\n' % entity.view('oneline')) |
0 | 338 |
|
339 |
||
340 |
class DefaultTreeViewItemView(EntityView): |
|
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341 |
"""default treeitem view for entities which don't adapt to ITree""" |
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342 |
__regid__ = 'treeitemview' |
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343 |
|
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344 |
def cell_call(self, row, col, vid='oneline', treeid=None, **morekwargs): |
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345 |
assert treeid is not None |
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346 |
itemview = self._cw.view(vid, self.cw_rset, row=row, col=col) |
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347 |
last_class = morekwargs['is_last'] and ' class="last"' or '' |
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348 |
self.w(u'<li%s>%s</li>' % (last_class, itemview)) |
0 | 349 |
|
350 |
||
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351 |
class TreeViewItemView(EntityView): |
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352 |
"""specific treeitem view for entities which adapt to ITree |
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353 |
|
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354 |
(each item should be expandable if it's not a tree leaf) |
0 | 355 |
""" |
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356 |
__regid__ = 'treeitemview' |
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|
357 |
__select__ = adaptable('ITree') |
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|
358 |
default_branch_state_is_open = False |
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359 |
|
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360 |
def open_state(self, eeid, treeid): |
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|
361 |
cookies = self._cw.get_cookie() |
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|
362 |
treestate = cookies.get(treecookiename(treeid)) |
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|
363 |
if treestate: |
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|
364 |
return str(eeid) in treestate.value.split(';') |
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|
365 |
return self.default_branch_state_is_open |
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|
366 |
|
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|
367 |
def cell_call(self, row, col, treeid, vid='oneline', parentvid='treeview', |
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|
368 |
is_last=False, **morekwargs): |
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|
369 |
w = self.w |
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|
370 |
entity = self.cw_rset.get_entity(row, col) |
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|
371 |
itree = entity.cw_adapt_to('ITree') |
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372 |
liclasses = [] |
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373 |
is_open = self.open_state(entity.eid, treeid) |
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|
374 |
is_leaf = not hasattr(entity, 'is_leaf') or itree.is_leaf() |
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|
375 |
if is_leaf: |
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|
376 |
if is_last: |
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|
377 |
liclasses.append('last') |
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|
378 |
w(u'<li class="%s">' % u' '.join(liclasses)) |
0 | 379 |
else: |
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|
380 |
rql = itree.children_rql() % {'x': entity.eid} |
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|
381 |
url = xml_escape(self._cw.build_url('json', rql=rql, vid=parentvid, |
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|
382 |
pageid=self._cw.pageid, |
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|
383 |
treeid=treeid, |
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|
384 |
fname='view', |
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|
385 |
treesubvid=vid, |
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|
386 |
morekwargs=json.dumps(morekwargs))) |
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|
387 |
divclasses = ['hitarea'] |
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|
388 |
if is_open: |
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|
389 |
liclasses.append('collapsable') |
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|
390 |
divclasses.append('collapsable-hitarea') |
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|
391 |
else: |
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|
392 |
liclasses.append('expandable') |
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|
393 |
divclasses.append('expandable-hitarea') |
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|
394 |
if is_last: |
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395 |
if is_open: |
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|
396 |
liclasses.append('lastCollapsable') |
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|
397 |
divclasses.append('lastCollapsable-hitarea') |
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398 |
else: |
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|
399 |
liclasses.append('lastExpandable') |
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400 |
divclasses.append('lastExpandable-hitarea') |
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|
401 |
if is_open: |
afc563537d8f
[treeview] restore functionnality lost in some previous merge #343232
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
1802
diff
changeset
|
402 |
w(u'<li class="%s">' % u' '.join(liclasses)) |
afc563537d8f
[treeview] restore functionnality lost in some previous merge #343232
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
1802
diff
changeset
|
403 |
else: |
afc563537d8f
[treeview] restore functionnality lost in some previous merge #343232
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
1802
diff
changeset
|
404 |
w(u'<li cubicweb:loadurl="%s" class="%s">' % (url, u' '.join(liclasses))) |
3320
0dc8b2d46a53
more in the way of subclassability & args passing all the way down
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
3311
diff
changeset
|
405 |
if treeid.startswith('throw_away'): |
0dc8b2d46a53
more in the way of subclassability & args passing all the way down
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
3311
diff
changeset
|
406 |
divtail = '' |
0dc8b2d46a53
more in the way of subclassability & args passing all the way down
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
3311
diff
changeset
|
407 |
else: |
4721
8f63691ccb7f
pylint style fixes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4719
diff
changeset
|
408 |
divtail = """ onclick="asyncRemoteExec('node_clicked', '%s', '%s')" """ % ( |
8f63691ccb7f
pylint style fixes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4719
diff
changeset
|
409 |
treeid, entity.eid) |
1826
afc563537d8f
[treeview] restore functionnality lost in some previous merge #343232
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
1802
diff
changeset
|
410 |
w(u'<div class="%s"%s></div>' % (u' '.join(divclasses), divtail)) |
afc563537d8f
[treeview] restore functionnality lost in some previous merge #343232
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
1802
diff
changeset
|
411 |
|
0 | 412 |
# add empty <ul> because jquery's treeview plugin checks for |
413 |
# sublists presence |
|
1826
afc563537d8f
[treeview] restore functionnality lost in some previous merge #343232
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
1802
diff
changeset
|
414 |
if not is_open: |
afc563537d8f
[treeview] restore functionnality lost in some previous merge #343232
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
1802
diff
changeset
|
415 |
w(u'<ul class="placeholder"><li>place holder</li></ul>') |
afc563537d8f
[treeview] restore functionnality lost in some previous merge #343232
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
1802
diff
changeset
|
416 |
# the local node info |
3451
6b46d73823f5
[api] work in progress, use __regid__, cw_*, etc.
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
3377
diff
changeset
|
417 |
self.wview(vid, self.cw_rset, row=row, col=col, **morekwargs) |
2216
b44b06520ddc
[treeview] fix condition
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
1977
diff
changeset
|
418 |
if is_open and not is_leaf: # => rql is defined |
5556
9ab2b4c74baf
[entity] introduce a new 'adapters' registry
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
5424
diff
changeset
|
419 |
self.wview(parentvid, itree.children(entities=False), subvid=vid, |
3888
6f145783409d
use ITree api
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3596
diff
changeset
|
420 |
treeid=treeid, initial_load=False, **morekwargs) |
1826
afc563537d8f
[treeview] restore functionnality lost in some previous merge #343232
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
1802
diff
changeset
|
421 |
w(u'</li>') |
afc563537d8f
[treeview] restore functionnality lost in some previous merge #343232
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
1802
diff
changeset
|
422 |