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1 ### -*- coding: utf-8 -*- #################################################### |
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2 ############################################################################## |
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3 # |
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4 # Copyright (c) 2012 Thierry Florac <tflorac AT ulthar.net> |
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5 # All Rights Reserved. |
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6 # |
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7 # This software is subject to the provisions of the Zope Public License, |
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8 # Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution. |
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9 # THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED |
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10 # WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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11 # WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS |
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12 # FOR A PARTICULAR PURPOSE. |
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13 # |
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14 ############################################################################## |
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15 |
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16 from zope.interface import Interface, Attribute |
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17 |
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18 |
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19 class INode(Interface): |
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20 """Tree node interface""" |
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21 |
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22 context = Attribute("Node's context") |
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23 |
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24 label = Attribute("Node's label") |
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25 |
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26 css_class = Attribute("Node's CSS class") |
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27 |
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28 order = Attribute("Node's order") |
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29 |
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30 def get_level(self): |
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31 """Get depth level of current node""" |
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32 |
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33 def has_children(self, filter_value=None): |
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34 """Check if current node has children""" |
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35 |
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36 def get_children(self, filter_value=None): |
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37 """Get list of node children""" |
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38 |
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39 |
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40 class ITree(Interface): |
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41 """Tree interface""" |
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42 |
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43 def get_root_nodes(self): |
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44 """Get list of root nodes""" |