bok, line, type, line-open-wizard, context

line.py

@@ -0,0 +1,179 @@
+# -*- coding: utf-8 -*-
+# This file is part of the cashbook-module from m-ds for Tryton.
+# The COPYRIGHT file at the top level of this repository contains the
+# full copyright notices and license terms.
+
+from trytond.model import ModelView, ModelSQL, Workflow, fields
+from trytond.pool import Pool
+from trytond.pyson import Eval, If
+from trytond.transaction import Transaction
+
+sel_linetype = [
+    ('edit', 'Edit'),
+    ('check', 'Checked'),
+    ('done', 'Done'),
+    ]
+
+
+STATES = {
+    'readonly': Eval('state', '') != 'edit',
+    }
+DEPENDS=['state']
+
+
+class LineContext(ModelView):
+    'Line Context'
+    __name__ = 'cashbook.line.context'
+
+    account = fields.Many2One(string='Account', required=True,
+        model_name='cashbook.book',
+        states={
+            'readonly': Eval('num_account', 0) < 2,
+        }, depends=['num_account'])
+    date_from = fields.Date(string='Start Date', depends=['date_to'],
+        domain=[
+            If(Eval('date_to') & Eval('date_from'),
+                ('date_from', '<=', Eval('date_to')),
+                ()),
+            ])
+    date_to = fields.Date(string='End Date', depends=['date_from'],
+        domain=[
+            If(Eval('date_to') & Eval('date_from'),
+                ('date_from', '<=', Eval('date_to')),
+                ()),
+            ])
+    checked = fields.Boolean(string='Checked',
+        help='Show account lines in Checked-state.')
+    done = fields.Boolean(string='Done',
+        help='Show account lines in Done-state.')
+    num_account = fields.Function(fields.Integer(string='Number of Accounts',
+        readonly=True, states={'invisible': True}),
+        'on_change_with_num_account')
+
+    @classmethod
+    def default_account(cls):
+        """ get default from context
+        """
+        context = Transaction().context
+        return context.get('account', None)
+
+    @classmethod
+    def default_date_from(cls):
+        """ get default from context
+        """
+        context = Transaction().context
+        return context.get('date_from', None)
+
+    @classmethod
+    def default_date_to(cls):
+        """ get default from context
+        """
+        context = Transaction().context
+        return context.get('date_to', None)
+
+    @classmethod
+    def default_checked(cls):
+        """ get default from context
+        """
+        context = Transaction().context
+        return context.get('checked', False)
+
+    @classmethod
+    def default_done(cls):
+        """ get default from context
+        """
+        context = Transaction().context
+        return context.get('done', False)
+
+    def on_change_with_num_account(self, name=None):
+        """ get number of accessible accounts,
+            depends on user-permissions
+        """
+        CashBook = Pool().get('cashbook.book')
+        return CashBook.search_count([])
+
+# end LineContext
+
+
+class Line(Workflow, ModelSQL, ModelView):
+    'Account Line'
+    __name__ = 'cashbook.line'
+
+    account = fields.Many2One(string='Account', required=True, select=True,
+        model_name='cashbook.book', ondelete='CASCADE', readonly=True)
+    date = fields.Date(string='Date', required=True, select=True,
+        states=STATES, depends=DEPENDS)
+    description = fields.Char(string='Description',
+        states=STATES, depends=DEPENDS)
+    state = fields.Selection(string='State', required=True, readonly=True,
+        select=True, selection=sel_linetype)
+
+    @classmethod
+    def __setup__(cls):
+        super(Line, cls).__setup__()
+        cls._order.insert(0, ('date', 'ASC'))
+        cls._transitions |= set((
+                ('edit', 'check'),
+                ('check', 'done'),
+                ('check', 'edit'),
+            ))
+        cls._buttons.update({
+            'wfedit': {
+                'invisible': Eval('state', '') != 'check',
+                'depends': ['state'],
+                },
+            'wfcheck': {
+                'invisible': Eval('state') != 'edit',
+                'depends': ['state'],
+                },
+            'wfdone': {
+                'invisible': Eval('state') != 'check',
+                'depends': ['state'],
+                },
+            })
+
+    @classmethod
+    @ModelView.button
+    @Workflow.transition('edit')
+    def wfedit(cls, lines):
+        """ edit line
+        """
+        pass
+
+    @classmethod
+    @ModelView.button
+    @Workflow.transition('check')
+    def wfcheck(cls, lines):
+        """ line is checked
+        """
+        pass
+
+    @classmethod
+    @ModelView.button
+    @Workflow.transition('done')
+    def wfdone(cls, lines):
+        """ line is done
+        """
+        pass
+
+    @classmethod
+    def default_state(cls):
+        """ default: edit
+        """
+        return 'edit'
+
+    @classmethod
+    def default_date(cls):
+        """ default: today
+        """
+        IrDate = Pool().get('ir.date')
+        return IrDate.today()
+
+    @classmethod
+    def default_account(cls):
+        """ get default from context
+        """
+        context = Transaction().context
+        return context.get('account', None)
+
+# end Line