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60 lines
2.1 KiB
Python
60 lines
2.1 KiB
Python
# -*- coding: utf-8 -*-
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##############################################################################
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#
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# OpenERP, Open Source Management Solution
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# Copyright (C) 2004-2010 Tiny SPRL (<http://tiny.be>).
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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##############################################################################
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from openerp import models, fields, _
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from openerp import exceptions
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class DocumentPageShowDiff(models.TransientModel):
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"""Display Difference for History."""
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_name = 'wizard.document.page.history.show_diff'
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def get_diff(self):
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"""Return the Difference between two document."""
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history = self.env["document.page.history"]
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ids = self.env.context.get('active_ids', [])
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diff = ""
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if len(ids) == 2:
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if ids[0] > ids[1]:
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diff = history.getDiff(ids[1], ids[0])
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else:
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diff = history.getDiff(ids[0], ids[1])
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elif len(ids) == 1:
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old = history.browse(ids[0])
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nids = history.search(
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[('page_id', '=', old.page_id.id)],
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order='id DESC',
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limit=1
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)
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diff = history.getDiff(ids[0], nids.id)
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else:
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raise exceptions.Warning(
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_("Select one or maximum two history revisions!")
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)
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return diff
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diff = fields.Text(
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'Diff',
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readonly=True,
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default=get_diff
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)
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