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# Copyright (C) 2009 Toms Bauģis <toms.baugis at gmail.com>
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# This file is part of Project Hamster.
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# Project Hamster is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# Project Hamster 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 General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with Project Hamster. If not, see <http://www.gnu.org/licenses/>.
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from .hamster import graphics
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class TimeLine(graphics.Area):
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"""this widget is kind of half finished"""
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graphics.Area.__init__(self)
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self.start_date, self.end_date = None, None
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def draw(self, facts):
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for date, date_facts in itertools.groupby(facts, lambda x: x["start_time"].date()):
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date_facts = list(date_facts)
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self.facts[date] = date_facts
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self.max_hours = max(self.max_hours,
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sum([fact["delta"].seconds / 60 / float(60) +
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fact["delta"].days * 24 for fact in date_facts]))
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start_date = facts[0]["start_time"].date()
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end_date = facts[-1]["start_time"].date()
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self.draw_mode = self.MODE_YEAR
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self.start_date = start_date.replace(month=1, day=1)
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self.end_date = end_date.replace(month=12, day=31)
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#TODO - for now we have only the year mode
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if start_date.year != end_date.year or start_date.month != end_date.month:
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self.draw_mode = self.MODE_YEAR
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self.start_date = start_date.replace(month=1, day=1)
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self.end_date = end_date.replace(month=12, day=31)
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elif start_date.strftime("%W") != end_date.strftime("%W"):
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self.draw_mode = self.MODE_MONTH
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self.start_date = start_date.replace(day=1)
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self.end_date = end_date.replace(date =
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calendar.monthrange(self.end_date.year,
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self.end_date.month)[1])
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elif start_date != end_date:
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self.draw_mode = self.MODE_WEEK
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self.draw_mode = self.MODE_DAY
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if self.draw_mode != self.MODE_YEAR:
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self.fill_area(0, 0, self.width, self.height, (0.975,0.975,0.975))
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self.set_color((100,100,100))
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days = (self.end_date - self.start_date).days
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pixels_in_day = self.width / float(days)
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month_label_fits = True
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for month in range(1, 13):
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self.layout.set_text(calendar.month_abbr[month])
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label_w, label_h = self.layout.get_pixel_size()
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if label_w * 2 > pixels_in_day * 30:
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month_label_fits = False
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ticker_date = self.start_date
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for year in range(self.start_date.year, self.end_date.year + 1):
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#due to how things lay over, we are putting labels on backwards, so that they don't overlap
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self.context.set_line_width(1)
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for month in range(1, 13):
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for day in range(1, calendar.monthrange(year, month)[1] + 1):
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ticker_pos = (year_pos + ticker_date.timetuple().tm_yday * pixels_in_day)
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if pixels_in_day > 5:
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self.context.move_to(ticker_pos, self.height - 20)
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self.context.line_to(ticker_pos, self.height)
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self.layout.set_text(ticker_date.strftime("%d"))
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label_w, label_h = self.layout.get_pixel_size()
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if label_w < pixels_in_day / 1.2: #if label fits
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self.context.move_to(ticker_pos + 2, self.height - 20)
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self.context.show_layout(self.layout)
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self.context.stroke()
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facts_today = self.facts.get(ticker_date, [])
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total_length = dt.timedelta()
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for fact in facts_today:
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total_length += fact["delta"]
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total_length = total_length.seconds / 60 / 60.0 + total_length.days * 24
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total_length = total_length / float(self.max_hours) * self.height - 16
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self.fill_area(round(ticker_pos),
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round(self.height - total_length),
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round(pixels_in_day),
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ticker_date += dt.timedelta(1)
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month_pos = ticker_pos - (calendar.monthrange(year, month)[1] + 1) * pixels_in_day
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self.context.move_to(month_pos, 0)
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self.layout.set_text(dt.date(year, month, 1).strftime("%b"))
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self.context.show_layout(self.layout)
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self.layout.set_text("%d" % year)
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label_w, label_h = self.layout.get_pixel_size()
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self.context.move_to(year_pos + 2, month_label_fits * label_h * 1.2)
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self.context.show_layout(self.layout)
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self.context.stroke()
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year_pos = ticker_pos #save current state for next year
added
removed
hamster/widgets/timeline.py
