1190 lines
38 KiB
Python
1190 lines
38 KiB
Python
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##
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# This software was developed and / or modified by Raytheon Company,
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# pursuant to Contract DG133W-05-CQ-1067 with the US Government.
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#
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# U.S. EXPORT CONTROLLED TECHNICAL DATA
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# This software product contains export-restricted data whose
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# export/transfer/disclosure is restricted by U.S. law. Dissemination
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# to non-U.S. persons whether in the United States or abroad requires
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# an export license or other authorization.
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#
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# Contractor Name: Raytheon Company
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# Contractor Address: 6825 Pine Street, Suite 340
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# Mail Stop B8
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# Omaha, NE 68106
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# 402.291.0100
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#
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# See the AWIPS II Master Rights File ("Master Rights File.pdf") for
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# further licensing information.
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##
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#
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# Name:
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# Selection.py
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# GFS1-NHD:A9058.0000-SCRIPT;3
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#
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# Status:
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# DELIVERED
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#
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# History:
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# Revision 3 (DELIVERED)
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# Created: 20-MAR-2007 13:36:53 OBERFIEL
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# Updated text input fields and printer dialogs to be
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# consistent. Frame tag removed.
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#
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# Revision 2 (DELIVERED)
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# Created: 16-FEB-2006 14:32:56 TROJAN
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# removed unnecessary imports, renamed shadowed variables
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#
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# Revision 1 (APPROVED)
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# Created: 13-FEB-2006 10:22:43 TROJAN
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# stdr 945
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#
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# Change Document History:
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# 1:
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# Change Document: GFS1-NHD_SPR_7284
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# Action Date: 02-MAY-2007 10:53:18
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# Relationship Type: In Response to
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# Status: CLOSED
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# Title: AvnFPS: Climate tools input fields should be consistent.
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#
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#
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import exceptions, math
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import Tkinter as tk
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import Pmw
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import Avn
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##############################################################################
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def hour_value_validator(text):
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if len(text) > 5:
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return Pmw.ERROR
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text = text.strip()
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if len(text) < 5:
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return Pmw.PARTIAL
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try:
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h, m = text.split(':')
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if len(h) != 2 or len(m) != 2:
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raise ValueError
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if not 0 <= int(h) < 24:
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raise ValueError
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if not 0 <= int(m) < 59:
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raise ValueError
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except (IndexError, ValueError):
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return Pmw.ERROR
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return Pmw.OK
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def hour_range_validator(text):
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if len(text) > 11:
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return Pmw.ERROR
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text = text.strip()
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if len(text) < 11 or '-' not in text:
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return Pmw.PARTIAL
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try:
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from_, to = text.split('-')
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if len(from_) != 5 or len(to) != 5:
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return Pmw.ERROR
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except (IndexError, ValueError):
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return Pmw.ERROR
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for x in from_, to:
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if x[2] != ':':
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return Pmw.ERROR
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h = int(x[:2])
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if not 0 <= h < 24:
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return Pmw.ERROR
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m = int(x[3:])
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if not 0 <= m < 60:
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return Pmw.ERROR
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return Pmw.OK
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def date_value_validator(text):
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if len(text) > 4:
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return Pmw.ERROR
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text = text.strip()
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if len(text) < 4:
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return Pmw.PARTIAL
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try:
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m, d = text[:2], text[2:]
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if len(m) != 2 or len(d) != 2:
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raise ValueError
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if not 0 < int(m) <= 12:
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raise ValueError
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if not 0 < int(d) <= 31:
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raise ValueError
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except (IndexError, ValueError):
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return Pmw.ERROR
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return Pmw.OK
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def date_range_validator(text):
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if len(text) > 9:
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return Pmw.ERROR
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text = text.strip()
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if len(text) < 9 or '-' not in text:
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return Pmw.PARTIAL
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try:
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from_, to = text.split('-')
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if len(from_) != 4 or len(to) != 4:
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raise ValueError
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int(from_)
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int(to)
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except (IndexError, ValueError):
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return Pmw.ERROR
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for x in from_, to:
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month = int(x[:2])
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if not 1 <= month <= 12:
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return Pmw.ERROR
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day = int(x[2:])
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if not 1 <= day <= 31:
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return Pmw.ERROR
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return Pmw.OK
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def wind_dir_value_validator(text):
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if len(text) > 4:
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return Pmw.ERROR
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text = text.strip().upper()
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if len(text) < 3:
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return Pmw.PARTIAL
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if text == 'CALM':
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return Pmw.OK
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if text.startswith('c'):
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return Pmw.PARTIAL
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try:
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if not 0 <= int(text) <= 360:
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raise ValueError
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except ValueError:
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return Pmw.ERROR
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return Pmw.OK
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def wind_dir_range_validator(text):
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if len(text) > 7:
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return Pmw.ERROR
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text = text.strip()
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if len(text) < 7 or '-' not in text:
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return Pmw.PARTIAL
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try:
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from_, to = text.split('-')
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if len(from_) != 3 or len(to) != 3:
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raise ValueError
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if not 0 < int(from_) <= 360 or not 0 < int(to) <= 360:
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raise ValueError
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except ValueError:
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return Pmw.ERROR
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return Pmw.OK
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def wind_speed_value_validator(text):
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if len(text) > 5:
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return Pmw.ERROR
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text = text.strip()
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if text.endswith('+'):
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text = text[:-1]
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try:
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if not 0.0 <= float(text) <= 99.0:
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raise ValueError
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except ValueError:
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return Pmw.PARTIAL
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return Pmw.OK
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def wind_speed_range_validator(text):
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if len(text) > 11:
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return Pmw.ERROR
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text = text.strip()
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if text.endswith('+'):
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text = text[:-1]
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if '-' not in text or text.endswith('-'):
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return Pmw.PARTIAL
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try:
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from_, to = text.split('-')
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if not 0.0 <= float(from_) <= 99.0 or not 0.0 < float(to) <= 99.0:
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raise ValueError
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except ValueError:
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return Pmw.ERROR
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return Pmw.OK
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def ceiling_value_validator(text):
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if len(text) > 5:
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return Pmw.ERROR
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text = text.strip()
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try:
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if not 0 <= int(text) <= 30000:
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raise ValueError
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except ValueError:
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return Pmw.PARTIAL
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return Pmw.OK
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def ceiling_range_validator(text):
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if len(text) > 11:
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return Pmw.ERROR
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text = text.strip().upper()
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if '-' not in text or text.endswith('-'):
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return Pmw.PARTIAL
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try:
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from_, to = text.split('-')
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if from_.endswith('+'):
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from_ = from_[:-1]
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if to.endswith('+'):
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to = from_[:-1]
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if not 0 <= int(from_) <= 30000:
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raise ValueError
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if to == 'UNL':
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return Pmw.OK
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elif not 0 <= int(to) <= 30000:
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raise ValueError
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except ValueError:
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return Pmw.ERROR
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return Pmw.OK
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def visibility_value_validator(text):
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if len(text) > 5:
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return Pmw.ERROR
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text = text.strip()
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try:
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if not 0 <= float(text) <= 20.0:
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raise ValueError
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except ValueError:
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return Pmw.PARTIAL
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return Pmw.OK
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def visibility_range_validator(text):
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if len(text) > 11:
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return Pmw.ERROR
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text = text.strip()
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if text.endswith('+'):
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text = text[:-1]
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if '-' not in text or text.endswith('-'):
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return Pmw.PARTIAL
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try:
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from_, to = text.split('-')
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if not 0 <= float(from_) <= 20.0:
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raise ValueError
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if not 0 <= float(to) <= 20.0:
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raise ValueError
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except ValueError:
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return Pmw.ERROR
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return Pmw.OK
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##############################################################################
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class _BaseLine(Pmw.MegaWidget):
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def __init__(self, parent=None, **kw):
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optiondefs = (
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('background', 'grey', None),
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('width', 250, Pmw.INITOPT),
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('height', 60, Pmw.INITOPT),
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('margin', 10, Pmw.INITOPT),
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('valuecolor', 'blue', Pmw.INITOPT),
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('rangecolor', 'red', Pmw.INITOPT),
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('valuevalidator', None, Pmw.INITOPT),
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('rangevalidator', None, Pmw.INITOPT),
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)
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self.defineoptions(kw, optiondefs)
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Pmw.MegaWidget.__init__(self, parent)
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# Create the components.
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interior = self.interior()
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label = self.createcomponent('title',
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(), None,
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tk.Label, (interior,),
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relief='raised',
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borderwidth=1,
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text=self['title'],
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)
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label.grid(row=0, column=0, sticky='ew')
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frame = self.createcomponent('frame',
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(), None,
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tk.Frame, (interior,),
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relief='raised',
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borderwidth=1,
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)
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frame.grid(row=2, column=0, sticky='news')
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self._valueentry = self.createcomponent('value',
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(), None,
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Pmw.EntryField, (frame,),
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labelpos='w',
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label_text='value:',
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label_justify='right',
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validate=self['valuevalidator'],
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entry_width=4,
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command=self.draw_value,
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)
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self._valueentry.pack(side='left', fill='x', expand=1, padx=3)
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self._rangeentry = self.createcomponent('range',
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(), None,
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Pmw.EntryField, (frame,),
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labelpos='w',
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label_text='range:',
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label_justify='right',
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validate=self['rangevalidator'],
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entry_width=9,
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command=self.draw_range,
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)
|
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self._rangeentry.pack(side='left', fill='x', expand=1, padx=3)
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Pmw.alignlabels([self._valueentry, self._rangeentry])
|
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|
|
|
||
|
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c = self._canvas = self.createcomponent('canvas',
|
||
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(), None,
|
||
|
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tk.Canvas, (interior,),
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width=self['width'],
|
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height=self['height'],
|
||
|
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)
|
||
|
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c.grid(row=1, column=0)
|
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|
|
|
||
|
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# Draw labeled scale
|
||
|
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self.yc = self['height']/2
|
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|
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self.x0, self.x1 = self['margin'], self['width']-self['margin']
|
||
|
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c.create_line(self.x0, self.yc, self.x1, self.yc, fill='black',
|
||
|
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width=1)
|
||
|
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for v, text in self.ticks():
|
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x = self.value2x(v)
|
||
|
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c.create_line(x, self.yc, x, self.yc-5, fill='black', width=1)
|
||
|
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if text:
|
||
|
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c.create_text(x, self.yc-5, text=text, anchor='s')
|
||
|
|
|
||
|
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c.bind('<Any-ButtonRelease>', self.btnUp)
|
||
|
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c.bind('<B1-Motion>', self.btnMove)
|
||
|
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c.bind('<B2-Motion>', self.btnMove)
|
||
|
|
|
||
|
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self._cursor = c.cget('cursor')
|
||
|
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self._movePending = False
|
||
|
|
|
||
|
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# Check keywords and initialise options.
|
||
|
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self.initialiseoptions()
|
||
|
|
|
||
|
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def __move_value(self):
|
||
|
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# redraws value as an arrow on the X axis
|
||
|
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x = self.value2x(self._value)
|
||
|
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self._canvas.coords(self._canvas.find_withtag('arrow'),
|
||
|
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x, self.yc, x+5, self.yc-8, x-5, self.yc-8)
|
||
|
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|
||
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def __move_range(self):
|
||
|
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# redraws range as a shaded rectangle on the X axis
|
||
|
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c = self._canvas
|
||
|
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x0, x1 = self.value2x(self._range[0]), self.value2x(self._range[1])
|
||
|
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y0, y1 = self.yc+2, self.yc+20
|
||
|
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c.coords(c.find_withtag('range'), x0, y0, x1, y1)
|
||
|
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c.coords(c.find_withtag('from'), x0, y0, x0, y1)
|
||
|
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c.coords(c.find_withtag('to'), x1, y0, x1, y1)
|
||
|
|
|
||
|
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def __moveCompressed(self):
|
||
|
|
c = self._canvas
|
||
|
|
x = max(self.x0, c.canvasx(self._event.x))
|
||
|
|
current_value = self.x2value(x)
|
||
|
|
items = c.find_withtag('active')
|
||
|
|
if not items:
|
||
|
|
return
|
||
|
|
if items[0] == c.find_withtag('arrow')[0]:
|
||
|
|
if self._value != current_value:
|
||
|
|
oldx = self.value2x(self._value)
|
||
|
|
self.set_value(current_value)
|
||
|
|
x = self.value2x(self._value)
|
||
|
|
self.__move_value()
|
||
|
|
if self._button == 2:
|
||
|
|
dx = x - oldx
|
||
|
|
x0, y0, x1, y1 = c.coords(c.find_withtag('range'))
|
||
|
|
x0 = max(self.x0, min(self.x1, x0+dx))
|
||
|
|
x1 = max(self.x0, min(self.x1, x1+dx))
|
||
|
|
from_, to = self.x2value(x0), self.x2value(x1)
|
||
|
|
self.set_range(from_, to)
|
||
|
|
self.__move_range()
|
||
|
|
elif items[0] == c.find_withtag('from')[0]:
|
||
|
|
if self._range[0] != current_value:
|
||
|
|
self.set_range(current_value, self._range[1])
|
||
|
|
self.__move_range()
|
||
|
|
elif items[0] == c.find_withtag('to')[0]:
|
||
|
|
if self._range[1] != current_value:
|
||
|
|
self.set_range(self._range[0], current_value)
|
||
|
|
self.__move_range()
|
||
|
|
c.update_idletasks()
|
||
|
|
self._movePending = False
|
||
|
|
|
||
|
|
#########################################################################
|
||
|
|
# Public methods
|
||
|
|
def btnDown(self, event):
|
||
|
|
# sets active tag
|
||
|
|
c = self._canvas
|
||
|
|
c.addtag_withtag('active', 'current')
|
||
|
|
c.lift('active')
|
||
|
|
self._movePending = False
|
||
|
|
self._button = event.num
|
||
|
|
c.configure(cursor='arrow')
|
||
|
|
|
||
|
|
def btnUp(self, event):
|
||
|
|
# deletes active tag
|
||
|
|
c = self._canvas
|
||
|
|
c.configure(cursor=self._cursor)
|
||
|
|
tags = c.find_withtag('active')
|
||
|
|
if not tags:
|
||
|
|
return
|
||
|
|
c.dtag('active')
|
||
|
|
|
||
|
|
def btnMove(self, event):
|
||
|
|
# saves mouse coordinates, schedules __moveCompressed()
|
||
|
|
tags = self._canvas.find_withtag('active')
|
||
|
|
if not tags:
|
||
|
|
return
|
||
|
|
self._event = event
|
||
|
|
if not self._movePending:
|
||
|
|
timerId = self._canvas.after_idle(self.__moveCompressed)
|
||
|
|
self._movePending = True
|
||
|
|
|
||
|
|
def set_value(self, value):
|
||
|
|
# sets value in valueentry widget
|
||
|
|
self._value, s = self.scale(self.normalize(value))
|
||
|
|
self._valueentry.setvalue(s)
|
||
|
|
|
||
|
|
def get_value(self):
|
||
|
|
# returns value from valueentry widget
|
||
|
|
if not self._valueentry.valid():
|
||
|
|
raise ValueError('Invalid entry: '+\
|
||
|
|
str(self._valueentry.getvalue()))
|
||
|
|
return self.parse(self._valueentry.getvalue().strip().upper())
|
||
|
|
|
||
|
|
def set_range(self, from_, to):
|
||
|
|
# sets value in rangeentry widget
|
||
|
|
if from_ > to:
|
||
|
|
from_, to = to, from_
|
||
|
|
from_, s_from = self.scale(self.normalize(from_))
|
||
|
|
to, s_to = self.scale(self.normalize(to))
|
||
|
|
self._range = from_, to
|
||
|
|
self._rangeentry.setvalue(s_from+'-'+s_to)
|
||
|
|
|
||
|
|
def get_range(self):
|
||
|
|
if not self._rangeentry.valid():
|
||
|
|
raise ValueError('Invalid entry: '+\
|
||
|
|
str(self._rangeentry.getvalue()))
|
||
|
|
return [self.parse(s.strip()) for s in \
|
||
|
|
self._rangeentry.getvalue().split('-')]
|
||
|
|
|
||
|
|
def draw_value(self, value=None):
|
||
|
|
# draws value as an arrow on the X axis
|
||
|
|
if value is None:
|
||
|
|
self.set_value(self.get_value())
|
||
|
|
else:
|
||
|
|
self.set_value(value)
|
||
|
|
if not self._valueentry.valid():
|
||
|
|
return
|
||
|
|
c = self._canvas
|
||
|
|
c.delete('arrow')
|
||
|
|
x = self.value2x(self._value)
|
||
|
|
c.create_polygon(x, self.yc, x+5, self.yc-8, x-5, self.yc-8,
|
||
|
|
fill=self['valuecolor'], width=1, tag='arrow')
|
||
|
|
c.tag_bind('arrow', '<ButtonPress-1>', self.btnDown)
|
||
|
|
c.tag_bind('arrow', '<ButtonPress-2>', self.btnDown)
|
||
|
|
|
||
|
|
def draw_range(self, from_=None, to=None):
|
||
|
|
# draws range as a shaded rectangle on the X axis
|
||
|
|
if from_ is None or to is None:
|
||
|
|
self.set_range(*self.get_range())
|
||
|
|
else:
|
||
|
|
self.set_range(from_, to)
|
||
|
|
if not self._rangeentry.valid():
|
||
|
|
return
|
||
|
|
c = self._canvas
|
||
|
|
c.delete('range', 'from', 'to')
|
||
|
|
x0, x1 = self.value2x(self._range[0]), self.value2x(self._range[1])
|
||
|
|
color = self['rangecolor']
|
||
|
|
c.create_rectangle(x0, self.yc+2, x1, self.yc+20, outline=color,
|
||
|
|
fill=color, stipple='gray25', tag='range')
|
||
|
|
c.create_line(x0, self.yc+2, x0, self.yc+20, fill=color, tag='from')
|
||
|
|
c.create_line(x1, self.yc+2, x1, self.yc+20, fill=color, tag='to')
|
||
|
|
c.tag_bind('from', '<ButtonPress-1>', self.btnDown)
|
||
|
|
c.tag_bind('to', '<ButtonPress-1>', self.btnDown)
|
||
|
|
|
||
|
|
def ticks(self):
|
||
|
|
raise Avn.AvnError('Not implemented')
|
||
|
|
|
||
|
|
def normalize(self, value):
|
||
|
|
raise Avn.AvnError('Not implemented')
|
||
|
|
|
||
|
|
def parse(self, text):
|
||
|
|
raise Avn.AvnError('Not implemented')
|
||
|
|
|
||
|
|
def scale(self, value):
|
||
|
|
raise Avn.AvnError('Not implemented')
|
||
|
|
|
||
|
|
def value2x(self, value):
|
||
|
|
raise Avn.AvnError('Not implemented')
|
||
|
|
|
||
|
|
def x2value(self, x):
|
||
|
|
raise Avn.AvnError('Not implemented')
|
||
|
|
|
||
|
|
##############################################################################
|
||
|
|
class Ceiling(_BaseLine):
|
||
|
|
'''Widget to select ceiling value and match range'''
|
||
|
|
UNLIMITED = 99999.0
|
||
|
|
LIMITED = 25000.0
|
||
|
|
def __init__(self, parent=None, **kw):
|
||
|
|
optiondefs = (
|
||
|
|
('title', 'Ceiling', None),
|
||
|
|
('top', 5000.0, Pmw.INITOPT),
|
||
|
|
('shift', 100.0, Pmw.INITOPT),
|
||
|
|
('valuevalidator', ceiling_value_validator, Pmw.INITOPT),
|
||
|
|
('rangevalidator', ceiling_range_validator, Pmw.INITOPT),
|
||
|
|
)
|
||
|
|
self.defineoptions(kw, optiondefs)
|
||
|
|
|
||
|
|
_BaseLine.__init__(self, parent)
|
||
|
|
|
||
|
|
def ticks(self):
|
||
|
|
ticks = [(0.0, '0'), (200.0, '2'), (600.0, '6'), (1000.0, '10'), \
|
||
|
|
(3100.0, '31')]
|
||
|
|
return ticks + [(self['top'], '%d' % (self['top']//100)), \
|
||
|
|
(self.LIMITED, '%d+' % (self['top']//100+1)), \
|
||
|
|
(self.UNLIMITED, 'UNL')]
|
||
|
|
|
||
|
|
def get_range(self):
|
||
|
|
range = _BaseLine.get_range(self)
|
||
|
|
if range[0] == self.LIMITED:
|
||
|
|
range[0] = self['top']+100.0
|
||
|
|
return range
|
||
|
|
|
||
|
|
def normalize(self, value):
|
||
|
|
if value < 0.0:
|
||
|
|
value = 0.0
|
||
|
|
if value <= self['top']:
|
||
|
|
return value
|
||
|
|
elif value <= self.LIMITED:
|
||
|
|
return self.LIMITED
|
||
|
|
else:
|
||
|
|
return self.UNLIMITED
|
||
|
|
|
||
|
|
def scale(self, value):
|
||
|
|
if value <= self['shift']:
|
||
|
|
value = 0.0
|
||
|
|
if value <= self['top']:
|
||
|
|
return value, '%.0f' % value
|
||
|
|
elif value == self.LIMITED:
|
||
|
|
return self.LIMITED, '%.0f+' % (self['top']+100)
|
||
|
|
elif value == self.UNLIMITED:
|
||
|
|
return self.UNLIMITED, 'UNL'
|
||
|
|
else:
|
||
|
|
print '==== BAD thing happened #1 ===='
|
||
|
|
|
||
|
|
def parse(self, text):
|
||
|
|
if text == 'UNL':
|
||
|
|
return self.UNLIMITED
|
||
|
|
elif text.endswith('+'):
|
||
|
|
return self.LIMITED
|
||
|
|
else:
|
||
|
|
return self.normalize(float(text))
|
||
|
|
|
||
|
|
def value2x(self, value):
|
||
|
|
value = self.normalize(value)
|
||
|
|
if value <= self['shift']:
|
||
|
|
value = self['shift']
|
||
|
|
if value <= self['top']:
|
||
|
|
v = math.sqrt((value-self['shift'])/ \
|
||
|
|
(self['top']-self['shift']))*0.8
|
||
|
|
elif value <= self.LIMITED:
|
||
|
|
v = 0.9
|
||
|
|
else:
|
||
|
|
v = 1.0
|
||
|
|
return self.x0 + v*(self.x1-self.x0)
|
||
|
|
|
||
|
|
def x2value(self, x):
|
||
|
|
v = (x-self.x0)/(self.x1-self.x0)
|
||
|
|
if v <= 0.8:
|
||
|
|
return (v/0.8)**2*(self['top']-self['shift']) + self['shift']
|
||
|
|
elif v <= 0.9:
|
||
|
|
return self.LIMITED
|
||
|
|
else:
|
||
|
|
return self.UNLIMITED
|
||
|
|
|
||
|
|
##############################################################################
|
||
|
|
class Visibility(_BaseLine):
|
||
|
|
'''Widget to select visibility value and match range'''
|
||
|
|
UNLIMITED = 20.0
|
||
|
|
def __init__(self, parent=None, **kw):
|
||
|
|
optiondefs = (
|
||
|
|
('title', 'Visibility', None),
|
||
|
|
('top', 10.0, Pmw.INITOPT),
|
||
|
|
('shift', 0.1, Pmw.INITOPT),
|
||
|
|
('valuevalidator', visibility_value_validator, Pmw.INITOPT),
|
||
|
|
('rangevalidator', visibility_range_validator, Pmw.INITOPT),
|
||
|
|
)
|
||
|
|
self.defineoptions(kw, optiondefs)
|
||
|
|
|
||
|
|
_BaseLine.__init__(self, parent)
|
||
|
|
|
||
|
|
def ticks(self):
|
||
|
|
ticks = [(0.0, '0'), (0.25, '1/4'), (1.0, '1'), (3.0, '3'), \
|
||
|
|
(5.0, '5'), (6.0, '6')]
|
||
|
|
return ticks + [(self['top'], '%d' % (self['top']//1.0)), \
|
||
|
|
(self.UNLIMITED, '%d+' % ((self['top']+1)//1.0))]
|
||
|
|
|
||
|
|
def normalize(self, value):
|
||
|
|
if value < 0.0:
|
||
|
|
value = 0.0
|
||
|
|
if value <= self['top']:
|
||
|
|
return value
|
||
|
|
else:
|
||
|
|
return self.UNLIMITED
|
||
|
|
|
||
|
|
def scale(self, value):
|
||
|
|
if value <= self['shift']:
|
||
|
|
value = 0.0
|
||
|
|
if value < 1.0:
|
||
|
|
return value, '%.2f' % value
|
||
|
|
elif value <= self['top']:
|
||
|
|
return value, '%.1f' % value
|
||
|
|
elif value == self.UNLIMITED:
|
||
|
|
return self.UNLIMITED, '%d+' % ((self['top']+1)//1.0)
|
||
|
|
else:
|
||
|
|
print '=====', value
|
||
|
|
print '==== BAD thing happened #1 ===='
|
||
|
|
|
||
|
|
def parse(self, text):
|
||
|
|
if text.endswith('+'):
|
||
|
|
return self.UNLIMITED
|
||
|
|
else:
|
||
|
|
return self.normalize(float(text))
|
||
|
|
|
||
|
|
def value2x(self, value):
|
||
|
|
value = self.normalize(value)
|
||
|
|
if value <= self['shift']:
|
||
|
|
value = self['shift']
|
||
|
|
if value <= self['top']:
|
||
|
|
v = math.sqrt((value-self['shift'])/ \
|
||
|
|
(self['top']-self['shift']))*0.9
|
||
|
|
else:
|
||
|
|
v = 1.0
|
||
|
|
return self.x0 + v*(self.x1-self.x0)
|
||
|
|
|
||
|
|
def x2value(self, x):
|
||
|
|
v = (x-self.x0)/(self.x1-self.x0)
|
||
|
|
if v <= 0.9:
|
||
|
|
return (v/0.9)**2*(self['top']-self['shift']) + self['shift']
|
||
|
|
else:
|
||
|
|
return self.UNLIMITED
|
||
|
|
|
||
|
|
##############################################################################
|
||
|
|
class WindSpeed(_BaseLine):
|
||
|
|
'''Widget to select wind speed value and match range'''
|
||
|
|
UNLIMITED = 50.0
|
||
|
|
def __init__(self, parent=None, **kw):
|
||
|
|
optiondefs = (
|
||
|
|
('title', 'Wind Speed', None),
|
||
|
|
('top', 30.0, Pmw.INITOPT),
|
||
|
|
('shift', 2.5, Pmw.INITOPT),
|
||
|
|
('valuevalidator', wind_speed_value_validator, Pmw.INITOPT),
|
||
|
|
('rangevalidator', wind_speed_range_validator, Pmw.INITOPT),
|
||
|
|
)
|
||
|
|
self.defineoptions(kw, optiondefs)
|
||
|
|
|
||
|
|
_BaseLine.__init__(self, parent)
|
||
|
|
|
||
|
|
def ticks(self):
|
||
|
|
ticks = [(0.0, '0'), (4.0, '4'), (10.0, '10')]
|
||
|
|
return ticks + [(self['top'], '%d' % (self['top']//1.0)), \
|
||
|
|
(self.UNLIMITED, '%d+' % ((self['top']+1)//1.0))]
|
||
|
|
|
||
|
|
def normalize(self, value):
|
||
|
|
if value < 0.0:
|
||
|
|
value = 0.0
|
||
|
|
if value <= self['top']:
|
||
|
|
return value
|
||
|
|
else:
|
||
|
|
return self.UNLIMITED
|
||
|
|
|
||
|
|
def scale(self, value):
|
||
|
|
if value <= self['shift']:
|
||
|
|
value = 0.0
|
||
|
|
if value <= self['top']:
|
||
|
|
return value, '%.1f' % value
|
||
|
|
elif value == self.UNLIMITED:
|
||
|
|
return self.UNLIMITED, '%d+' % ((self['top']+1)//1.0)
|
||
|
|
else:
|
||
|
|
print '=====', value
|
||
|
|
print '==== BAD thing happened #1 ===='
|
||
|
|
|
||
|
|
def parse(self, text):
|
||
|
|
if text.endswith('+'):
|
||
|
|
return self.UNLIMITED
|
||
|
|
else:
|
||
|
|
return self.normalize(float(text))
|
||
|
|
|
||
|
|
def value2x(self, value):
|
||
|
|
value = self.normalize(value)
|
||
|
|
if value <= self['shift']:
|
||
|
|
value = self['shift']
|
||
|
|
if value <= self['top']:
|
||
|
|
v = math.sqrt((value-self['shift'])/(self['top']-self['shift']))*0.9
|
||
|
|
else:
|
||
|
|
v = 1.0
|
||
|
|
return self.x0 + v*(self.x1-self.x0)
|
||
|
|
|
||
|
|
def x2value(self, x):
|
||
|
|
v = (x-self.x0)/(self.x1-self.x0)
|
||
|
|
if v <= 0.9:
|
||
|
|
return (v/0.9)**2*(self['top']-self['shift']) + self['shift']
|
||
|
|
else:
|
||
|
|
return self.UNLIMITED
|
||
|
|
|
||
|
|
##############################################################################
|
||
|
|
class _BaseCircle(Pmw.MegaWidget):
|
||
|
|
def __init__(self, parent=None, **kw):
|
||
|
|
optiondefs = (
|
||
|
|
('background', 'grey', None),
|
||
|
|
('size', 110, Pmw.INITOPT),
|
||
|
|
('margin', 20, Pmw.INITOPT),
|
||
|
|
('valuecolor', 'blue', Pmw.INITOPT),
|
||
|
|
('rangecolor', 'red', Pmw.INITOPT),
|
||
|
|
('valuevalidator', None, Pmw.INITOPT),
|
||
|
|
('rangevalidator', None, Pmw.INITOPT),
|
||
|
|
)
|
||
|
|
self.defineoptions(kw, optiondefs)
|
||
|
|
|
||
|
|
Pmw.MegaWidget.__init__(self, parent)
|
||
|
|
|
||
|
|
# Create the components.
|
||
|
|
interior = self.interior()
|
||
|
|
interior.grid_columnconfigure(2, weight=1)
|
||
|
|
interior.grid_rowconfigure(1, weight=1)
|
||
|
|
frame = self.createcomponent('frame',
|
||
|
|
(), None,
|
||
|
|
tk.Frame, (interior,),
|
||
|
|
relief='raised',
|
||
|
|
borderwidth=1,
|
||
|
|
)
|
||
|
|
frame.grid(row=0, column=1, sticky='news')
|
||
|
|
|
||
|
|
label = self.createcomponent('title',
|
||
|
|
(), None,
|
||
|
|
tk.Label, (frame,),
|
||
|
|
borderwidth=1,
|
||
|
|
text=self['title'],
|
||
|
|
)
|
||
|
|
label.pack(side='top')
|
||
|
|
self._valueentry = self.createcomponent('value',
|
||
|
|
(), None,
|
||
|
|
Pmw.EntryField, (frame,),
|
||
|
|
labelpos='w',
|
||
|
|
label_text='value:',
|
||
|
|
label_justify='right',
|
||
|
|
validate=self['valuevalidator'],
|
||
|
|
entry_width=12,
|
||
|
|
command=self.draw_value,
|
||
|
|
)
|
||
|
|
self._valueentry.pack(side='top', fill='x', expand=1)
|
||
|
|
|
||
|
|
self._rangeentry = self.createcomponent('range',
|
||
|
|
(), None,
|
||
|
|
Pmw.EntryField, (frame,),
|
||
|
|
labelpos='w',
|
||
|
|
label_text='range:',
|
||
|
|
label_justify='right',
|
||
|
|
validate=self['rangevalidator'],
|
||
|
|
entry_width=12,
|
||
|
|
command=self.draw_range,
|
||
|
|
)
|
||
|
|
self._rangeentry.pack(side='top', fill='x', expand=1)
|
||
|
|
Pmw.alignlabels([self._valueentry, self._rangeentry])
|
||
|
|
|
||
|
|
c = self._canvas = self.createcomponent('canvas',
|
||
|
|
(), None,
|
||
|
|
tk.Canvas, (interior,),
|
||
|
|
width=self['size'],
|
||
|
|
height=self['size'],
|
||
|
|
)
|
||
|
|
c.grid(row=0, column=0)
|
||
|
|
|
||
|
|
# Draw labelled circle
|
||
|
|
x0 = y0 = self['margin']
|
||
|
|
x1 = y1 = self['size'] - self['margin']
|
||
|
|
self._bbox = x0, y0, x1, y1
|
||
|
|
c.create_oval(self._bbox, outline='black')
|
||
|
|
self.xc = self.yc = self['size']/2
|
||
|
|
self.rad = self.xc - self['margin']
|
||
|
|
rad1 = self.rad + 5
|
||
|
|
for v, (text, anchor) in self.ticks():
|
||
|
|
fi = math.radians(90-self.value2fi(v))
|
||
|
|
x, y = math.cos(fi), -math.sin(fi)
|
||
|
|
x0 = self.xc + x*self.rad
|
||
|
|
x1 = self.xc + x*rad1
|
||
|
|
y0 = self.yc + y*self.rad
|
||
|
|
y1 = self.yc + y*rad1
|
||
|
|
c.create_line(x0, y0, x1, y1, fill='black')
|
||
|
|
if text:
|
||
|
|
c.create_text(x1, y1, text=text, anchor=anchor)
|
||
|
|
|
||
|
|
c.bind('<Any-ButtonRelease>', self.btnUp)
|
||
|
|
c.bind('<B1-Motion>', self.btnMove)
|
||
|
|
c.bind('<B2-Motion>', self.btnMove)
|
||
|
|
|
||
|
|
self._cursor = c.cget('cursor')
|
||
|
|
self._movePending = False
|
||
|
|
|
||
|
|
# Check keywords and initialise options.
|
||
|
|
self.initialiseoptions()
|
||
|
|
|
||
|
|
def __rotate_value(self):
|
||
|
|
c = self._canvas
|
||
|
|
c.coords(c.find_withtag('arrow'), *self.value_coords())
|
||
|
|
|
||
|
|
def __move_range(self):
|
||
|
|
c = self._canvas
|
||
|
|
fi_from = self.value2fi(self._range[0])
|
||
|
|
fi_to = self.value2fi(self._range[1])
|
||
|
|
extent = fi_to-fi_from
|
||
|
|
if extent < 0:
|
||
|
|
extent += 360
|
||
|
|
c.itemconfigure(c.find_withtag('range'), start=90-fi_to, extent=extent)
|
||
|
|
xe, ye = self._fi2xy(fi_from)
|
||
|
|
c.coords(c.find_withtag('from'), self.xc, self.yc, xe, ye)
|
||
|
|
xe, ye = self._fi2xy(fi_to)
|
||
|
|
c.coords(c.find_withtag('to'), self.xc, self.yc, xe, ye)
|
||
|
|
|
||
|
|
def _fi2xy(self, fi):
|
||
|
|
fi = math.radians(fi)
|
||
|
|
x = self.xc + self.rad*math.sin(fi)
|
||
|
|
y = self.yc - self.rad*math.cos(fi)
|
||
|
|
return x, y
|
||
|
|
|
||
|
|
def _xy2fi(self, x, y):
|
||
|
|
return math.degrees(math.atan2(x-self.xc, -y+self.yc))
|
||
|
|
|
||
|
|
def __moveCompressed(self):
|
||
|
|
c = self._canvas
|
||
|
|
x0, y0 = c.canvasx(self._event.x), c.canvasy(self._event.y)
|
||
|
|
current_fi = self.fi2value(self._xy2fi(x0, y0))
|
||
|
|
items = c.find_withtag('active')
|
||
|
|
if not items:
|
||
|
|
return
|
||
|
|
if items[0] == c.find_withtag('arrow')[0]:
|
||
|
|
if self._value != current_fi:
|
||
|
|
old_value = self._value
|
||
|
|
self.set_value(current_fi)
|
||
|
|
delta = self._value - old_value
|
||
|
|
self.__rotate_value()
|
||
|
|
if self._button == 2:
|
||
|
|
from_, to = self._range[0]+delta, self._range[1]+delta
|
||
|
|
self.set_range(from_, to)
|
||
|
|
self.__move_range()
|
||
|
|
elif items[0] == c.find_withtag('from')[0]:
|
||
|
|
if self._range[0] != current_fi:
|
||
|
|
self.set_range(current_fi, self._range[1])
|
||
|
|
self.__move_range()
|
||
|
|
elif items[0] == c.find_withtag('to')[0]:
|
||
|
|
if self._range[1] != current_fi:
|
||
|
|
self.set_range(self._range[0], current_fi)
|
||
|
|
self.__move_range()
|
||
|
|
c.update_idletasks()
|
||
|
|
self._movePending = False
|
||
|
|
|
||
|
|
def ticks(self):
|
||
|
|
raise Avn.AvnError('Not implemented')
|
||
|
|
|
||
|
|
def normalize(self, value):
|
||
|
|
raise Avn.AvnError('Not implemented')
|
||
|
|
|
||
|
|
def parse(self, text):
|
||
|
|
raise Avn.AvnError('Not implemented')
|
||
|
|
|
||
|
|
def scale(self, value):
|
||
|
|
raise Avn.AvnError('Not implemented')
|
||
|
|
|
||
|
|
def value2fi(self, value):
|
||
|
|
raise Avn.AvnError('Not implemented')
|
||
|
|
|
||
|
|
def fi2value(self, fi):
|
||
|
|
raise Avn.AvnError('Not implemented')
|
||
|
|
|
||
|
|
##########################################################################
|
||
|
|
# Public methods
|
||
|
|
def btnDown(self, event):
|
||
|
|
c = self._canvas
|
||
|
|
c.addtag_withtag('active', 'current')
|
||
|
|
c.lift('active')
|
||
|
|
self._movePending = False
|
||
|
|
self._button = event.num
|
||
|
|
c.configure(cursor='arrow')
|
||
|
|
|
||
|
|
def btnUp(self, event):
|
||
|
|
c = self._canvas
|
||
|
|
c.configure(cursor=self._cursor)
|
||
|
|
tags = c.find_withtag('active')
|
||
|
|
if not tags:
|
||
|
|
return
|
||
|
|
c.dtag('active')
|
||
|
|
|
||
|
|
def btnMove(self, event):
|
||
|
|
tags = self._canvas.find_withtag('active')
|
||
|
|
if not tags:
|
||
|
|
return
|
||
|
|
self._event = event
|
||
|
|
if not self._movePending:
|
||
|
|
timerId = self._canvas.after_idle(self.__moveCompressed)
|
||
|
|
self._movePending = True
|
||
|
|
|
||
|
|
def value_coords(self):
|
||
|
|
fi = math.radians(self.value2fi(self._value))
|
||
|
|
x = math.sin(fi)
|
||
|
|
y = -math.cos(fi)
|
||
|
|
x0 = self.xc - x*self.rad/5
|
||
|
|
y0 = self.yc - y*self.rad/5
|
||
|
|
x1 = self.xc + x*(self.rad-5)
|
||
|
|
y1 = self.yc + y*(self.rad-5)
|
||
|
|
fi1 = fi+math.pi/12
|
||
|
|
x2 = x1 - math.sin(fi1)*10
|
||
|
|
y2 = y1 - -math.cos(fi1)*10
|
||
|
|
fi2 = fi-math.pi/12
|
||
|
|
x3 = x1 - math.sin(fi2)*10
|
||
|
|
y3 = y1 - -math.cos(fi2)*10
|
||
|
|
return x0, y0, x1, y1, x2, y2, x3, y3, x1, y1
|
||
|
|
|
||
|
|
def set_value(self, value):
|
||
|
|
self._value, s = self.scale(self.normalize(value))
|
||
|
|
self._valueentry.setvalue(s)
|
||
|
|
|
||
|
|
def get_value(self):
|
||
|
|
if not self._valueentry.valid():
|
||
|
|
raise ValueError('Invalid entry: '+ \
|
||
|
|
str(self._valueentry.getvalue()))
|
||
|
|
return self.parse(self._valueentry.getvalue().strip().upper())
|
||
|
|
|
||
|
|
def set_range(self, from_, to):
|
||
|
|
from_, s_from = self.scale(self.normalize(from_))
|
||
|
|
to_, s_to = self.scale(self.normalize(to))
|
||
|
|
self._range = from_, to
|
||
|
|
self._rangeentry.setvalue(s_from+'-'+s_to)
|
||
|
|
|
||
|
|
def get_range(self):
|
||
|
|
if not self._rangeentry.valid():
|
||
|
|
raise ValueError('Invalid entry: '+ \
|
||
|
|
str(self._rangeentry.getvalue()))
|
||
|
|
return [self.parse(s.strip()) for s in \
|
||
|
|
self._rangeentry.getvalue().split('-')]
|
||
|
|
|
||
|
|
def draw_value(self, value=None):
|
||
|
|
if value is None:
|
||
|
|
self.set_value(self.get_value())
|
||
|
|
else:
|
||
|
|
self.set_value(value)
|
||
|
|
if not self._valueentry.valid():
|
||
|
|
return
|
||
|
|
c = self._canvas
|
||
|
|
c.delete('arrow')
|
||
|
|
kwds = {'width': 2, 'fill': self['valuecolor'], 'tag': 'arrow'}
|
||
|
|
c.create_line(*self.value_coords(), **kwds)
|
||
|
|
if c.gettags('range'):
|
||
|
|
c.tag_raise('arrow', 'range')
|
||
|
|
c.tag_bind('arrow', '<ButtonPress-1>', self.btnDown)
|
||
|
|
c.tag_bind('arrow', '<ButtonPress-2>', self.btnDown)
|
||
|
|
|
||
|
|
def draw_range(self, from_=None, to=None):
|
||
|
|
if from_ is None or to is None:
|
||
|
|
self.set_range(*self.get_range())
|
||
|
|
else:
|
||
|
|
self.set_range(from_, to)
|
||
|
|
if not self._rangeentry.valid():
|
||
|
|
return
|
||
|
|
c = self._canvas
|
||
|
|
c.delete('range', 'from', 'to')
|
||
|
|
fi_from = self.value2fi(self._range[0])
|
||
|
|
fi_to = self.value2fi(self._range[1])
|
||
|
|
extent = fi_to-fi_from
|
||
|
|
if extent < 0:
|
||
|
|
extent += 360
|
||
|
|
c.create_arc(self._bbox, start=90-fi_to, extent=extent,
|
||
|
|
outline=self['rangecolor'], fill=self['rangecolor'],
|
||
|
|
stipple='gray25', tag='range')
|
||
|
|
if c.gettags('arrow'):
|
||
|
|
c.tag_lower('range', 'arrow')
|
||
|
|
xe, ye = self._fi2xy(fi_from)
|
||
|
|
c.create_line(self.xc, self.yc, xe, ye, fill=self['rangecolor'],
|
||
|
|
tag='from')
|
||
|
|
c.tag_bind('from', '<ButtonPress-1>', self.btnDown)
|
||
|
|
xe, ye = self._fi2xy(fi_to)
|
||
|
|
c.create_line(self.xc, self.yc, xe, ye, fill=self['rangecolor'],
|
||
|
|
tag='to')
|
||
|
|
c.tag_bind('to', '<ButtonPress-1>', self.btnDown)
|
||
|
|
|
||
|
|
##############################################################################
|
||
|
|
class HourOfDay(_BaseCircle):
|
||
|
|
'''Widget to select hour of the day and match range'''
|
||
|
|
def __init__(self, parent=None, **kw):
|
||
|
|
optiondefs = (
|
||
|
|
('title', 'Hour', None),
|
||
|
|
('valuevalidator', hour_value_validator, Pmw.INITOPT),
|
||
|
|
('rangevalidator', hour_range_validator, Pmw.INITOPT),
|
||
|
|
)
|
||
|
|
self.defineoptions(kw, optiondefs)
|
||
|
|
|
||
|
|
_BaseCircle.__init__(self, parent)
|
||
|
|
|
||
|
|
self._canvas.create_oval(self.xc-3, self.yc-3, self.xc+3, self.yc+3,
|
||
|
|
fill=self['valuecolor'], outline=self['valuecolor'])
|
||
|
|
|
||
|
|
def ticks(self):
|
||
|
|
# wind specific
|
||
|
|
def _tick(hour):
|
||
|
|
if hour%4 == 0:
|
||
|
|
a = {0: 's', 4: 'w', 8: 'w', 12: 'n', 16: 'e', 20: 'e'}[hour]
|
||
|
|
return hour, ('%02d' % hour, a)
|
||
|
|
else:
|
||
|
|
return hour, (None, None)
|
||
|
|
return map(_tick, range(24))
|
||
|
|
|
||
|
|
def normalize(self, value):
|
||
|
|
return value%24
|
||
|
|
|
||
|
|
def parse(self, text):
|
||
|
|
h, m = [int(x) for x in text.split(':')]
|
||
|
|
return h + m/60.0
|
||
|
|
|
||
|
|
def scale(self, value):
|
||
|
|
h, m = int(value), int(value%1.0*60)
|
||
|
|
return value, '%02d:%02d' % (h, m)
|
||
|
|
|
||
|
|
def value2fi(self, value):
|
||
|
|
# wind specific
|
||
|
|
return 15*self.normalize(value)
|
||
|
|
|
||
|
|
def fi2value(self, fi):
|
||
|
|
# wind specific
|
||
|
|
return fi/15.0
|
||
|
|
|
||
|
|
##############################################################################
|
||
|
|
class Date(_BaseCircle):
|
||
|
|
'''Widget to select julian day of year and match range'''
|
||
|
|
def __init__(self, parent=None, **kw):
|
||
|
|
optiondefs = (
|
||
|
|
('title', 'Date', None),
|
||
|
|
('valuevalidator', date_value_validator, Pmw.INITOPT),
|
||
|
|
('rangevalidator', date_range_validator, Pmw.INITOPT),
|
||
|
|
)
|
||
|
|
self.defineoptions(kw, optiondefs)
|
||
|
|
|
||
|
|
days = [0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
|
||
|
|
self.days = [sum(days[:n]) for n in range(1, len(days)+1)]
|
||
|
|
|
||
|
|
_BaseCircle.__init__(self, parent)
|
||
|
|
|
||
|
|
self._canvas.create_oval(self.xc-3, self.yc-3, self.xc+3, self.yc+3,
|
||
|
|
fill=self['valuecolor'], outline=self['valuecolor'])
|
||
|
|
|
||
|
|
def ticks(self):
|
||
|
|
return zip([(d0+d1)/2 for d0, d1 in Avn.window(self.days)],
|
||
|
|
[('J', 's'), ('F', 'w'), ('M', 'w'), ('A', 'w'), ('M', 'w'), \
|
||
|
|
('J', 'n'), ('J', 'n'), ('A', 'n'), ('S', 'e'), ('O', 'e'), \
|
||
|
|
('N', 's'), ('D', 's')])
|
||
|
|
|
||
|
|
def normalize(self, value):
|
||
|
|
return value%365
|
||
|
|
|
||
|
|
def parse(self, text):
|
||
|
|
month, day = int(text[:2]), int(text[2:4])
|
||
|
|
if month == 2 and day == 29:
|
||
|
|
day = 28
|
||
|
|
return self.days[month-1] + day - 1
|
||
|
|
|
||
|
|
def scale(self, value):
|
||
|
|
for m, (d0, d1) in enumerate(Avn.window(self.days)):
|
||
|
|
if d0 <= value < d1:
|
||
|
|
month, day = m+1, value-d0+1
|
||
|
|
break
|
||
|
|
return value, '%02d%02d' % (month, day)
|
||
|
|
|
||
|
|
def value2fi(self, value):
|
||
|
|
# wind specific
|
||
|
|
return 360.0/365.0*self.normalize(value)
|
||
|
|
|
||
|
|
def fi2value(self, fi):
|
||
|
|
# wind specific
|
||
|
|
return fi*365.0/360.0
|
||
|
|
|
||
|
|
##############################################################################
|
||
|
|
class WindDirection(_BaseCircle):
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'''Widget to select wind direction and match range'''
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def __init__(self, parent=None, **kw):
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optiondefs = (
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('title', 'Wind Direction', None),
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('valuevalidator', wind_dir_value_validator, Pmw.INITOPT),
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('rangevalidator', wind_dir_range_validator, Pmw.INITOPT),
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)
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self.defineoptions(kw, optiondefs)
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_BaseCircle.__init__(self, parent)
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self._last_value = 180
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def btnDown3(self, event):
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# toggle calm/variable wind
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if self._value == 0:
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self.draw_value(self._last_value)
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self.draw_range(*self._last_range)
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else:
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self._last_value = self._value
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self._last_range = self._range
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self.set_value('CALM')
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self.draw_value()
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self.set_range(1, 360)
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self.draw_range()
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def set_value(self, value):
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# wind specific, overrides method in the base class
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if type(value) in [type(1), type(1.0)]:
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self._value, s = self.scale(self.normalize(value))
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else:
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self._value, s = 0, 'CALM'
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self._valueentry.setvalue(s)
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def draw_value(self, value=None):
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# wind specific, overrides method in the base class
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if value is None:
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self.set_value(self.get_value())
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else:
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self.set_value(value)
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if not self._valueentry.valid():
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return
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c = self._canvas
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c.delete('arrow')
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if self._value == 0:
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# Calm or variable wind
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kwds = {'width': 2, 'outline': self['valuecolor'], 'tag': 'arrow'}
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c.create_oval(self.xc-8, self.yc-8, self.xc+8, self.yc+8, **kwds)
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c.tag_bind('wind', '<ButtonPress-3>', self.btnDown3)
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else:
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kwds = {'width': 2, 'fill': self['valuecolor'], 'tag': 'arrow'}
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c.create_line(*self.value_coords(), **kwds)
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if c.gettags('range'):
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c.tag_raise('arrow', 'range')
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c.tag_bind('arrow', '<ButtonPress-1>', self.btnDown)
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c.tag_bind('arrow', '<ButtonPress-2>', self.btnDown)
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c.tag_bind('arrow', '<ButtonPress-3>', self.btnDown3)
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def value_coords(self):
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# wind specific, overrides method in the base class
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fi = math.radians(self.value2fi(self._value))
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x = math.sin(fi)
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y = -math.cos(fi)
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r = self.rad - 5
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x0, y0 = self.xc, self.yc
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x1 = self.xc + x*r
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y1 = self.yc + y*r
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fi1 = fi-0.6*math.pi
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x2 = x1 - math.sin(fi1)*12
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y2 = y1 - -math.cos(fi1)*12
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return x0, y0, x1, y1, x2, y2
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def ticks(self):
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return [(0, ('N', 's')), (45, ('NE', 's')), (90, ('E', 'w')), \
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(135, ('SE', 'n')), (180, ('S', 'n')), (225, ('SW', 'n')), \
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(270, ('W', 'e')), (315, ('NW', 's'))]
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def normalize(self, value):
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return value%360 or 360
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def parse(self, text):
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if text == 'CALM':
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return 'CALM'
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else:
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return self.normalize(int(text))
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def scale(self, value):
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return value, '%03d' % value
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def value2fi(self, value):
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return self.normalize(value)
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def fi2value(self, fi):
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return fi%360.0
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