add wizard to create parcels from previous crop

__init__.py

@@ -54,6 +54,7 @@ def register():
         quality.QualityTest,
         quality.QuantitativeTestLine,
         quality.QualitativeTestLine,
+        plot.CreateNewParcelStart,
         production.ProductionTemplate,
         production.ProductionTemplateLine,
         production.ProductionTemplateInputsProductTemplate,
@@ -62,7 +63,6 @@ def register():
         production.OutputDistribution,
         production.ProductionEnologyProduct,
         production.ProductionCostPriceDistribution,
-#        production.ProductionProductionCostPriceDistribution,
         production.ProductionCostPriceDistributionTemplate,
         production.ProductionCostPriceDistributionTemplateProductionTemplateAsk,
         location.LocationMaterial,
@@ -72,6 +72,7 @@ def register():
         module='agronomics', type_='model')
     Pool.register(
         production.ProductionCostPriceDistributionTemplateProductionTemplate,
+        plot.CreateNewParcel,
         module='agronomics', type_='wizard')
     Pool.register(
         module='agronomics', type_='report')

plot.py

@@ -2,7 +2,7 @@
 # this repository contains the full copyright notices and license terms.
 from trytond.model import fields, ModelSQL, ModelView
 from trytond.pool import Pool
-
+from trytond.wizard import (Wizard, StateView, Button, StateTransition)
 
 class Enclosure(ModelSQL, ModelView):
     "Enclosure"
@@ -28,6 +28,13 @@ class Crop(ModelSQL, ModelView):
     start_date = fields.Date('Start Date', required=True)
     end_date = fields.Date('End Date', required=True)
 
+    def copy_parcels(self, next_crop):
+        pool = Pool()
+        Parcel = pool.get('agronomics.parcel')
+        parcels = Parcel.search([('crop' ,'=', self.id)])
+        Parcel.copy(parcels, {'crop': next_crop})
+
+
 
 class DenominationOrigin(ModelSQL, ModelView):
     "Denomination of Origin"
@@ -171,3 +178,29 @@ class Beneficiaries(ModelSQL, ModelView):
             table.drop_column('percent')
 
         super(Beneficiaries, cls).__register__(module_name)
+
+class CreateNewParcel(Wizard):
+    'New Version'
+    __name__ = 'agronomics.create_new_parcels'
+
+    start = StateView('agronomics.create_new_parcels.start',
+        'agronomics.create_new_parcels_start_form', [
+            Button('Cancel', 'end', 'tryton-cancel'),
+            Button('Create', 'copy_parcels', 'tryton-accept', default=True),
+            ])
+    copy_parcels = StateTransition()
+
+    def transition_copy_parcels(self):
+        crop = self.start.previous_crop
+        crop.copy_parcels(self.start.next_crop)
+        return 'end'
+
+
+class CreateNewParcelStart(ModelView):
+    "Create New Parcel - Start"
+    __name__ = 'agronomics.create_new_parcels.start'
+
+    previous_crop = fields.Many2One('agronomics.crop', "Previous Crop",
+        required=True)
+    next_crop = fields.Many2One('agronomics.crop', "Next Crop",
+        required=True)

plot.xml

@@ -543,5 +543,23 @@
       <field name="perm_create" eval="True"/>
       <field name="perm_delete" eval="True"/>
   </record>
+
+    <record model="ir.action.wizard" id="wizard_create_new_parcels">
+        <field name="name">Create new Parcels</field>
+        <field name="wiz_name">agronomics.create_new_parcels</field>
+    </record>
+
+    <record model="ir.ui.view" id="create_new_parcels_start_form">
+        <field name="model">agronomics.create_new_parcels.start</field>
+        <field name="type">form</field>
+        <field name="name">create_new_parcels_start_form</field>
+    </record>
+
+    <menuitem
+        parent="agronomics.menu_crop_list"
+        action="wizard_create_new_parcels"
+        sequence="90"
+        id="menu_create_new_parcels"/>
+
 </data>
 </tryton>

view/create_new_parcels_start_form.xml

@@ -0,0 +1,6 @@
+<form>
+  <label name="previous_crop"/>
+  <field name="previous_crop"/>
+  <label name="next_crop"/>
+  <field name="next_crop"/>
+</form>