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1 # Copyright (C) 2009, 2010, 2011 Rickard Lindberg, Roger Lindberg 2 # 3 # This file is part of Timeline. 4 # 5 # Timeline is free software: you can redistribute it and/or modify 6 # it under the terms of the GNU General Public License as published by 7 # the Free Software Foundation, either version 3 of the License, or 8 # (at your option) any later version. 9 # 10 # Timeline is distributed in the hope that it will be useful, 11 # but WITHOUT ANY WARRANTY; without even the implied warranty of 12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 # GNU General Public License for more details. 14 # 15 # You should have received a copy of the GNU General Public License 16 # along with Timeline. If not, see <http://www.gnu.org/licenses/>. 17 18 19 from timelinelib.view.periodbase import SelectPeriodByDragInputHandler 20 21235125 SelectPeriodByDragInputHandler.__init__(self, controller, start_time) 26 self.controller = controller 27 self.status_bar_adapter = status_bar_adapter 28 self.status_bar_adapter.set_text(_("Select region to zoom into"))2931 SelectPeriodByDragInputHandler.mouse_moved(self, x, y, alt_down) 32 try: 33 p = self.get_current_period() 34 except ValueError: 35 self.status_bar_adapter.set_text(_("Region too long")) 36 else: 37 if p.delta() < p.time_type.get_min_zoom_delta()[0]: 38 self.status_bar_adapter.set_text(_("Region too short")) 39 else: 40 self.status_bar_adapter.set_text("")4143 self.status_bar_adapter.set_text("") 44 period = self.get_last_valid_period() 45 start = period.start_time 46 end = period.end_time 47 delta = end - start 48 if period.time_type.zoom_is_ok(delta): 49 # Don't zoom in to less than an hour which upsets things. 50 self.controller.navigate_timeline(lambda tp: tp.update(start, end))
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