author | Sylvain Thénault <sylvain.thenault@logilab.fr> |
Thu, 21 Jul 2011 14:20:45 +0200 | |
branch | stable |
changeset 7682 | 07b592a62be3 |
parent 6582 | 8eb7883b4223 |
child 7879 | 9aae456abab5 |
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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_ = unicode |
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from warnings import warn |
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use xml_escape
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from logilab.mtconverter import xml_escape |
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from cubicweb.utils import make_uid, json |
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from cubicweb.selectors import adaptable |
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from cubicweb.view import EntityView |
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from cubicweb.mixins import _done_init |
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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 BaseTreeView(baseviews.ListView): |
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"""base tree view""" |
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__regid__ = 'tree' |
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__select__ = adaptable('ITree') |
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item_vid = 'treeitem' |
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def call(self, done=None, **kwargs): |
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if done is None: |
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done = set() |
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super(BaseTreeView, self).call(done=done, **kwargs) |
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def cell_call(self, row, col=0, vid=None, done=None, maxlevel=None, **kwargs): |
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assert maxlevel is None or maxlevel > 0 |
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done, entity = _done_init(done, self, row, col) |
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if done is None: |
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# entity is actually an error message |
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self.w(u'<li class="badcontent">%s</li>' % entity) |
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return |
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self.open_item(entity) |
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entity.view(vid or self.item_vid, w=self.w, **kwargs) |
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if maxlevel is not None: |
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maxlevel -= 1 |
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if maxlevel == 0: |
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self.close_item(entity) |
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return |
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relatedrset = entity.cw_adapt_to('ITree').children(entities=False) |
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self.wview(self.__regid__, relatedrset, 'null', done=done, |
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maxlevel=maxlevel, **kwargs) |
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self.close_item(entity) |
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def open_item(self, entity): |
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self.w(u'<li class="%s">\n' % entity.__regid__.lower()) |
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def close_item(self, entity): |
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self.w(u'</li>\n') |
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class TreePathView(EntityView): |
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"""a recursive path view""" |
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__regid__ = 'path' |
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__select__ = adaptable('ITree') |
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item_vid = 'oneline' |
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separator = u' > ' |
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def call(self, **kwargs): |
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self.w(u'<div class="pathbar">') |
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super(TreePathView, self).call(**kwargs) |
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self.w(u'</div>') |
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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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if done is None: |
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# entity is actually an error message |
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self.w(u'<span class="badcontent">%s</span>' % entity) |
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92 |
return |
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93 |
parent = entity.cw_adapt_to('ITree').parent() |
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94 |
if parent: |
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95 |
parent.view(self.__regid__, w=self.w, done=done) |
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96 |
self.w(self.separator) |
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97 |
entity.view(vid or self.item_vid, w=self.w) |
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98 |
|
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99 |
|
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100 |
class TreeComboBoxView(TreePathView): |
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101 |
"""display folder in edition's combobox""" |
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102 |
__regid__ = 'combobox' |
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103 |
item_vid = 'text' |
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104 |
separator = u' > ' |
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105 |
|
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106 |
# XXX rename regid to ajaxtree/foldabletree or something like that (same for |
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107 |
# treeitemview) |
0 | 108 |
class TreeView(EntityView): |
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109 |
"""ajax tree view, click to expand folder""" |
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110 |
|
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111 |
__regid__ = 'treeview' |
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112 |
itemvid = 'treeitemview' |
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113 |
subvid = 'oneline' |
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114 |
cssclass = 'treeview widget' |
443 | 115 |
title = _('tree view') |
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116 |
|
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117 |
def _init_params(self, subvid, treeid, initial_load, initial_thru_ajax, morekwargs): |
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118 |
form = self._cw.form |
0 | 119 |
if subvid is None: |
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120 |
subvid = form.pop('treesubvid', self.subvid) # consume it |
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121 |
if treeid is None: |
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122 |
treeid = form.pop('treeid', None) |
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123 |
if treeid is None: |
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124 |
treeid = 'throw_away' + make_uid('uid') |
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125 |
if 'morekwargs' in self._cw.form: |
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126 |
ajaxargs = json.loads(form.pop('morekwargs')) |
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127 |
# got unicode & python keywords must be strings |
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128 |
morekwargs.update(dict((str(k), v) |
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129 |
for k, v in ajaxargs.iteritems())) |
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130 |
toplevel_thru_ajax = form.pop('treeview_top', False) or initial_thru_ajax |
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131 |
toplevel = toplevel_thru_ajax or (initial_load and not form.get('fname')) |
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132 |
return subvid, treeid, toplevel_thru_ajax, toplevel |
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133 |
|
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134 |
def _init_headers(self, treeid, toplevel_thru_ajax): |
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135 |
self._cw.add_css('jquery.treeview.css') |
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136 |
self._cw.add_js(('cubicweb.ajax.js', 'cubicweb.widgets.js', 'jquery.treeview.js')) |
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137 |
self._cw.html_headers.add_onload(u""" |
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138 |
jQuery("#tree-%s").treeview({toggle: toggleTree, prerendered: true});""" % treeid) |
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139 |
|
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140 |
def call(self, subvid=None, treeid=None, |
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141 |
initial_load=True, initial_thru_ajax=False, **morekwargs): |
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142 |
subvid, treeid, toplevel_thru_ajax, toplevel = self._init_params( |
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143 |
subvid, treeid, initial_load, initial_thru_ajax, morekwargs) |
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144 |
ulid = ' ' |
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145 |
if toplevel: |
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146 |
self._init_headers(treeid, toplevel_thru_ajax) |
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147 |
ulid = ' id="tree-%s"' % treeid |
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148 |
self.w(u'<ul%s class="%s">' % (ulid, self.cssclass)) |
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149 |
# XXX force sorting on x.sortvalue() (which return dc_title by default) |
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150 |
# we need proper ITree & co specification to avoid this. |
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151 |
# (pb when type ambiguity at the other side of the tree relation, |
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152 |
# unability to provide generic implementation on eg Folder...) |
4436 | 153 |
for i, entity in enumerate(sorted(self.cw_rset.entities(), |
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154 |
key=lambda x: x.sortvalue())): |
4436 | 155 |
if i+1 < len(self.cw_rset): |
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156 |
morekwargs['is_last'] = False |
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157 |
else: |
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158 |
morekwargs['is_last'] = True |
4436 | 159 |
entity.view(self.itemvid, vid=subvid, parentvid=self.__regid__, |
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160 |
treeid=treeid, w=self.w, **morekwargs) |
0 | 161 |
self.w(u'</ul>') |
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162 |
|
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163 |
def cell_call(self, *args, **allargs): |
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164 |
""" does not makes much sense until you have to invoke |
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165 |
somentity.view('treeview') """ |
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166 |
allargs.pop('row') |
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167 |
allargs.pop('col') |
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168 |
self.call(*args, **allargs) |
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169 |
|
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170 |
|
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171 |
class FileTreeView(TreeView): |
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172 |
"""specific version of the treeview to display file trees |
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173 |
""" |
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174 |
__regid__ = 'filetree' |
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175 |
cssclass = 'treeview widget filetree' |
443 | 176 |
title = _('file tree view') |
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177 |
|
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178 |
def call(self, subvid=None, treeid=None, initial_load=True, **kwargs): |
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179 |
super(FileTreeView, self).call(treeid=treeid, subvid='filetree-oneline', |
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180 |
initial_load=initial_load, **kwargs) |
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181 |
|
443 | 182 |
class FileItemInnerView(EntityView): |
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183 |
"""inner view used by the TreeItemView instead of oneline view |
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184 |
|
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185 |
This view adds an enclosing <span> with some specific CSS classes |
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186 |
around the oneline view. This is needed by the jquery treeview plugin. |
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187 |
""" |
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__regid__ = 'filetree-oneline' |
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189 |
|
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190 |
def cell_call(self, row, col): |
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entity = self.cw_rset.get_entity(row, col) |
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itree = entity.cw_adapt_to('ITree') |
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193 |
if itree and not itree.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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197 |
self.w(u'<div class="file">%s</div>\n' % entity.view('oneline')) |
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|
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||
200 |
class DefaultTreeViewItemView(EntityView): |
|
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"""default treeitem view for entities which don't adapt to ITree""" |
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__regid__ = 'treeitemview' |
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203 |
|
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204 |
def cell_call(self, row, col, vid='oneline', treeid=None, **morekwargs): |
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assert treeid is not None |
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206 |
itemview = self._cw.view(vid, self.cw_rset, row=row, col=col) |
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207 |
last_class = morekwargs['is_last'] and ' class="last"' or '' |
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208 |
self.w(u'<li%s>%s</li>' % (last_class, itemview)) |
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210 |
||
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211 |
class TreeViewItemView(EntityView): |
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"""specific treeitem view for entities which adapt to ITree |
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213 |
|
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(each item should be expandable if it's not a tree leaf) |
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""" |
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216 |
__regid__ = 'treeitemview' |
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217 |
__select__ = adaptable('ITree') |
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218 |
default_branch_state_is_open = False |
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219 |
|
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220 |
def open_state(self, eeid, treeid): |
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221 |
cookies = self._cw.get_cookie() |
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222 |
treestate = cookies.get(treecookiename(treeid)) |
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223 |
if treestate: |
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224 |
return str(eeid) in treestate.value.split(':') |
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225 |
return self.default_branch_state_is_open |
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226 |
|
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|
227 |
def cell_call(self, row, col, treeid, vid='oneline', parentvid='treeview', |
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228 |
is_last=False, **morekwargs): |
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229 |
w = self.w |
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230 |
entity = self.cw_rset.get_entity(row, col) |
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231 |
itree = entity.cw_adapt_to('ITree') |
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232 |
liclasses = [] |
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233 |
is_open = self.open_state(entity.eid, treeid) |
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|
234 |
is_leaf = itree is None or itree.is_leaf() |
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|
235 |
if is_leaf: |
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|
236 |
if is_last: |
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|
237 |
liclasses.append('last') |
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|
238 |
w(u'<li class="%s">' % u' '.join(liclasses)) |
0 | 239 |
else: |
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|
240 |
rql = itree.children_rql() % {'x': entity.eid} |
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|
241 |
url = xml_escape(self._cw.build_url('json', rql=rql, vid=parentvid, |
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|
242 |
pageid=self._cw.pageid, |
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|
243 |
treeid=treeid, |
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|
244 |
fname='view', |
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|
245 |
treesubvid=vid, |
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|
246 |
morekwargs=json.dumps(morekwargs))) |
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|
247 |
divclasses = ['hitarea'] |
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|
248 |
if is_open: |
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|
249 |
liclasses.append('collapsable') |
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|
250 |
divclasses.append('collapsable-hitarea') |
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|
251 |
else: |
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|
252 |
liclasses.append('expandable') |
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|
253 |
divclasses.append('expandable-hitarea') |
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|
254 |
if is_last: |
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|
255 |
if is_open: |
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|
256 |
liclasses.append('lastCollapsable') |
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|
257 |
divclasses.append('lastCollapsable-hitarea') |
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|
258 |
else: |
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|
259 |
liclasses.append('lastExpandable') |
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|
260 |
divclasses.append('lastExpandable-hitarea') |
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|
261 |
if is_open: |
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|
262 |
w(u'<li class="%s">' % u' '.join(liclasses)) |
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|
263 |
else: |
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|
264 |
w(u'<li cubicweb:loadurl="%s" class="%s">' % (url, u' '.join(liclasses))) |
3320
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|
265 |
if treeid.startswith('throw_away'): |
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|
266 |
divtail = '' |
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|
267 |
else: |
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|
268 |
divtail = """ onclick="asyncRemoteExec('node_clicked', '%s', '%s')" """ % ( |
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|
269 |
treeid, entity.eid) |
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270 |
w(u'<div class="%s"%s></div>' % (u' '.join(divclasses), divtail)) |
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271 |
|
0 | 272 |
# add empty <ul> because jquery's treeview plugin checks for |
273 |
# sublists presence |
|
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274 |
if not is_open: |
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275 |
w(u'<ul class="placeholder"><li>place holder</li></ul>') |
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276 |
# the local node info |
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277 |
self.wview(vid, self.cw_rset, row=row, col=col, **morekwargs) |
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278 |
if is_open and not is_leaf: # => rql is defined |
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|
279 |
self.wview(parentvid, itree.children(entities=False), subvid=vid, |
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280 |
treeid=treeid, initial_load=False, **morekwargs) |
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281 |
w(u'</li>') |
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282 |