a6559dfdf9
git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@2983 fd906abe-77d9-0310-91a1-e0d9ade77398
78 lines
2.5 KiB
Python
78 lines
2.5 KiB
Python
#
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# Copyright (c) 2008 Helmut Merz helmutm@cy55.de
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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"""
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Layout node + instance implementations.
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$Id$
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"""
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from zope import component
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from zope.cachedescriptors.property import Lazy
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from zope.interface import implements
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from cybertools.composer.layout.base import Layout, LayoutInstance
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from cybertools.composer.layout.interfaces import ILayoutInstance
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from loops.common import adapted
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from loops.layout.interfaces import ILayoutNode, ILayoutNodeContained
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from loops.view import Node
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class LayoutNode(Node):
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implements(ILayoutNode, ILayoutNodeContained)
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# layout instances
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class NodeLayoutInstance(LayoutInstance):
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def getLayouts(self, region):
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""" Return sublayout instances.
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"""
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if region is None:
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return []
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result = []
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sublayouts = self.template.sublayouts
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if sublayouts is not None: # hard-coded sublayouts
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for l in region.layouts:
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if sublayouts is None or l.name in sublayouts:
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li = ILayoutInstance(self.context)
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li.template = l
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result.append(li)
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return result
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# sublayouts specified via subnodes of the current menu node
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menu = self.context.getMenu()
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subnodes = menu.getMenuItems()
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names = region.layouts.keys()
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for n in subnodes:
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if n.viewName in names:
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layout = region.layouts[n.viewName]
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li = ILayoutInstance(n)
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li.template = layout
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result.append(li)
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return result
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@Lazy
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def targetView(self):
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request = self.view.request
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target = adapted(self.context.target)
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view = component.getMultiAdapter((target, request), name='layout')
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view.node = self.context
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return view
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