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1 # |
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2 # Copyright (c) 2008-2017 Thierry Florac <tflorac AT ulthar.net> |
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3 # All Rights Reserved. |
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4 # |
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5 # This software is subject to the provisions of the Zope Public License, |
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6 # Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution. |
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7 # THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED |
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8 # WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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9 # WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS |
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10 # FOR A PARTICULAR PURPOSE. |
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11 # |
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12 |
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13 __docformat__ = 'restructuredtext' |
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14 |
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15 |
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16 # import standard library |
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17 import json |
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18 |
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19 # import interfaces |
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20 from pyams_form.interfaces.form import IFormLayer, IForm |
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21 from pyams_gis.interfaces import IGeoArea |
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22 from pyams_gis.interfaces.widget import IGeoAreaWidget |
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23 from pyams_gis.schema import IGeoAreaField |
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24 from pyams_utils.interfaces.data import IObjectData |
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25 from z3c.form.interfaces import IFieldWidget, IObjectFactory |
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26 |
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27 # import packages |
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28 from pyams_form.widget import widgettemplate_config |
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29 from pyams_gis.area import GeoArea |
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30 from pyams_utils.adapter import adapter_config |
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31 from z3c.form.browser.object import ObjectWidget |
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32 from z3c.form.object import getIfName |
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33 from z3c.form.widget import FieldWidget |
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34 from zope.interface import implementer_only, alsoProvides, Interface |
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35 |
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36 |
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37 @adapter_config(name=getIfName(IGeoArea), |
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38 context=(Interface, IFormLayer, IForm, IGeoAreaWidget), provides=IObjectFactory) |
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39 class GeoAreaObjectFactory(object): |
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40 """GeoArea object factory""" |
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41 |
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42 def __init__(self, context, request, form, widget): |
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43 self.context = context |
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44 self.request = request |
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45 self.form = form |
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46 self.widget = widget |
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47 |
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48 def __call__(self, data): |
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49 return GeoArea() |
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50 |
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51 |
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52 @widgettemplate_config(mode='input', template='templates/geoarea-input.pt', layer=IFormLayer) |
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53 @implementer_only(IGeoAreaWidget) |
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54 class GeoAreaWidget(ObjectWidget): |
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55 """GeoArea widget""" |
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56 |
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57 def updateWidgets(self, setErrors=True): |
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58 super(GeoAreaWidget, self).updateWidgets() |
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59 widgets = self.subform.widgets |
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60 x1 = widgets['x1'] |
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61 x1.input_css_class = 'col-md-2' |
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62 x1.object_data = {'ams-change-handler': 'PyAMS_GIS.area.changedCoordinate'} |
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63 alsoProvides(x1, IObjectData) |
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64 x2 = widgets['x2'] |
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65 x2.input_css_class = 'col-md-2' |
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66 x2.object_data = {'ams-change-handler': 'PyAMS_GIS.area.changedCoordinate'} |
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67 alsoProvides(x2, IObjectData) |
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68 y1 = widgets['y1'] |
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69 y1.input_css_class = 'col-md-2' |
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70 y1.object_data = {'ams-change-handler': 'PyAMS_GIS.area.changedCoordinate'} |
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71 alsoProvides(y1, IObjectData) |
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72 y2 = widgets['y2'] |
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73 y2.input_css_class = 'col-md-2' |
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74 y2.object_data = {'ams-change-handler': 'PyAMS_GIS.area.changedCoordinate'} |
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75 alsoProvides(y2, IObjectData) |
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76 projection = widgets['projection'] |
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77 projection.object_data = { |
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78 'ams-events-handlers': { |
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79 'change.select2': 'PyAMS_GIS.area.changedProjection' |
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80 } |
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81 } |
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82 alsoProvides(projection, IObjectData) |
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83 |
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84 @property |
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85 def wgs_coordinates(self): |
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86 value = self.field.get(self.field.interface(self.context)) |
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87 if not value: |
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88 return json.dumps({'x1': None, |
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89 'y1': None, |
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90 'x2': None, |
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91 'y2': None}) |
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92 else: |
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93 point1, point2 = value.wgs_coordinates |
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94 return json.dumps({'x1': float(point1[0]), |
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95 'y1': float(point1[1]), |
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96 'x2': float(point2[0]), |
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97 'y2': float(point2[1])}) |
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98 |
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99 |
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100 @adapter_config(context=(IGeoAreaField, IFormLayer), provides=IFieldWidget) |
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101 def GeoAreaFieldWidget(field, request): |
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102 """GeoArea field widget factory""" |
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103 return FieldWidget(field, GeoAreaWidget(request)) |