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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 |
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17 # import standard packages |
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18 |
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19 # import Zope3 interfaces |
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20 from z3c.form.interfaces import IWidget, IFieldWidget, ITextWidget, IFormLayer |
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21 |
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22 # import local interfaces |
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23 from ztfy.utils.schema import ITextLineListField |
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24 |
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25 # import Zope3 packages |
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26 from z3c.form.browser.text import TextWidget |
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27 from z3c.form.converter import SequenceDataConverter |
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28 from z3c.form.widget import FieldWidget |
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29 from zope.component import adapter, adapts |
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30 from zope.interface import implementer, implementsOnly |
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31 |
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32 # import local packages |
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33 from ztfy.jqueryui import jquery_multiselect |
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34 |
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35 |
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36 class ITextLineListWidget(ITextWidget): |
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37 """TextLineList widget interface""" |
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38 |
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39 |
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40 class TextLineListDataConverter(SequenceDataConverter): |
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41 """TextLineList field data converter""" |
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42 |
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43 adapts(ITextLineListField, IWidget) |
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44 |
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45 def toWidgetValue(self, value): |
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46 if value is self.field.missing_value: |
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47 return [] |
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48 return '|'.join(value) |
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49 |
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50 def toFieldValue(self, value): |
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51 if not value: |
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52 return self.field.missing_value |
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53 return value.split('|') |
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54 |
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55 |
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56 class TextLineListWidget(TextWidget): |
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57 """TextLineList field widget""" |
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58 |
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59 implementsOnly(ITextLineListWidget) |
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60 |
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61 def render(self): |
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62 jquery_multiselect.need() |
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63 return super(TextLineListWidget, self).render() |
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64 |
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65 |
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66 @adapter(ITextLineListField, IFormLayer) |
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67 @implementer(IFieldWidget) |
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68 def TextLineListFieldWidgetFactory(field, request): |
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69 return FieldWidget(field, TextLineListWidget(request)) |