109 lines
4.2 KiB
Python
109 lines
4.2 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 mx.DateTime import RelativeDateTime, now, DateTime, localtime
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from pychart import *
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import pychart.legend
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from report.misc import choice_colors
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#
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# Draw a graph
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#
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class GanttCanvas(object):
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def __init__(self, io, convertors=(lambda x:x,lambda x:x)):
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self._datas = {}
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self._canvas = canvas.init(fname=io, format='pdf')
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self._canvas.set_author("Open ERP")
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self._names = {}
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self._conv = convertors
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self._min = 0
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self._max = 0
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def add(self, user, name, datas):
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if hasattr(user, 'replace'):
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user=user.replace('/', '//')
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if hasattr(name, 'replace'):
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name=name.replace('/', '//')
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name = name.encode('ascii', 'ignore')
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if user not in self._datas:
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self._datas[user] = []
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for f in datas:
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x = map(self._conv[0], f)
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if x[0]<self._min or not self._min:
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self._min = x[0]
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if x[1]>self._max or not self._max:
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self._max = x[1]
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self._datas[user].append( (name, x))
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self._names.setdefault(name, x[0])
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def draw(self):
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colors = choice_colors(len(self._datas.keys()))
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user_color = {}
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for user in self._datas.keys():
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user_color[user] = colors.pop()
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names = []
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for n in self._names:
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names.append((self._names[n], n))
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names.sort()
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names.reverse()
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def _interval_get(*args):
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result = []
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for i in range(20):
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d = localtime(self._min + (((self._max-self._min)/20)*(i+1)))
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res = DateTime(d.year, d.month, d.day).ticks()
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if (not result) or result[-1]<>res:
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result.append(res)
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return result
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ar = area.T(y_coord = category_coord.T(names, 1),
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x_grid_style=line_style.gray50_dash1,
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x_grid_interval=_interval_get,
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x_range = (self._min,self._max),
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x_axis=axis.X(label="Date", format=self._conv[1]),
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y_axis=axis.Y(label="Tasks"),
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legend = legend.T(), size = (680,450))
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for user in self._datas:
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chart_object.set_defaults(interval_bar_plot.T, direction="horizontal", data=self._datas[user])
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f = fill_style.Plain()
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f.bgcolor = user_color[user]
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ar.add_plot(interval_bar_plot.T(fill_styles = [f, None], label=user, cluster=(0,1)))
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ar.draw(self._canvas)
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def close(self):
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self._canvas.close()
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if __name__ == '__main__':
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date_to_int = lambda x: int(x.ticks())
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int_to_date = lambda x: '/a60{}'+localtime(x).strftime('%d %m %Y')
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gt = GanttCanvas('test.pdf', convertors=(date_to_int, int_to_date))
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gt.add('nicoe', 'Graphe de gantt', [(DateTime(2005,6,12), DateTime(2005,6,13))])
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gt.add('nicoe', 'Tarifs', [(DateTime(2005,6,19), DateTime(2005,6,21))])
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gt.add('gaetan', 'Calcul des prix', [(DateTime(2005,6,12), DateTime(2005,6,13))])
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gt.add('nico', 'Mise a jour du site', [(DateTime(2005,6,13), DateTime(2005,6,16))])
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gt.add('tom', 'Coucou', [(DateTime(2005,6,11), DateTime(2005,6,12))])
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gt.draw()
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gt.close()
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# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
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