Nick Hall created a patch which adds bet6ter date validation, and Latitude/ Longitude validation.
svn: r17738
This commit is contained in:
Rob G. Healey
parent
6c3013d764
commit
f3df3d4ece
@ -964,7 +964,7 @@ class EditExifMetadata(Gramplet):
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event_box.show()
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entry = ValidatableMaskedEntry()
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entry.connect('validate', self.validate, widget)
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entry.connect('validate', self.validate_datetime, widget)
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entry.connect('content-changed', self.set_datetime, widget)
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event_box.add(entry)
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self.exif_widgets[widget] = entry
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@ -1007,7 +1007,8 @@ class EditExifMetadata(Gramplet):
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vbox2.pack_start(event_box, expand =False, fill =False, padding =0)
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event_box.show()
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entry = gtk.Entry(max =50)
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entry = ValidatableMaskedEntry()
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entry.connect('validate', self.validate_coordinate, widget)
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event_box.add(entry)
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self.exif_widgets[widget] = entry
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entry.show()
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@ -1116,13 +1117,24 @@ class EditExifMetadata(Gramplet):
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else:
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self.dates[field] = None
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def validate(self, widget, data, field):
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def validate_datetime(self, widget, data, field):
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"""
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Validate current date and time in text entry
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"""
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if self.dates[field] is None:
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return ValidationError(_('Bad Date/Time'))
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def validate_coordinate(self, widget, data, field):
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"""
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Validate current latitude or longitude in text entry
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"""
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if field == "Latitude" and not conv_lat_lon(data, "0", "ISO-D"):
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return ValidationError(_(u"Invalid latitude (syntax: 18\u00b09'") +
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_('48.21"S, -18.2412 or -18:9:48.21)'))
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if field == "Longitude" and not conv_lat_lon("0", data, "ISO-D"):
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return ValidationError(_(u"Invalid longitude (syntax: 18\u00b09'") +
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_('48.21"E, -18.2412 or -18:9:48.21)'))
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def __wipe_dialog(self, object):
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"""
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Handles the Delete Dialog...
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@ -1217,6 +1229,12 @@ class EditExifMetadata(Gramplet):
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self.exif_widgets["Longitude"].set_text(
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"""%s° %s′ %s″ %s""" % (longdeg, longmin, longsec, LongRef) )
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# translate the direction references
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self.convert_format('DEG')
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self.exif_widgets["Latitude"].validate()
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self.exif_widgets["Longitude"].validate()
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elif widgetName == "Altitude":
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altitude = tagValue
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AltitudeRef = self._get_value(_DATAMAP["AltitudeRef"])
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@ -1290,129 +1308,33 @@ class EditExifMetadata(Gramplet):
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# -------------------------------------------------------------------
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# GPS Coordinates functions
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# -------------------------------------------------------------------
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def addsymbols2gps(self, latitude =False, longitude =False):
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def convert_format(self, format):
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"""
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converts a degrees, minutes, seconds representation of Latitude/ Longitude
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without their symbols to having them...
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@param: latitude -- Latitude GPS Coordinates
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@param: longitude -- Longitude GPS Coordinates
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Convert GPS Coordinates into a specified format.
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"""
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LatitudeRef, LongitudeRef = "N", "E"
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# check to see if Latitude/ Longitude exits?
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if (latitude and longitude):
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if (latitude.count(".") == 1 and longitude.count(".") == 1):
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self.convert2dms(self.plugin_image)
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# get Latitude/ Longitude after converting it...
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latitude = self.exif_widgets["Latitude"].get_text()
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longitude = self.exif_widgets["Longitude"].get_text()
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# add DMS symbols if necessary?
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# the conversion to decimal format, require the DMS symbols
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elif ( (latitude.count("°") == 0 and longitude.count("°") == 0) and
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(latitude.count("′") == 0 and longitude.count("′") == 0) and
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(latitude.count('″') == 0 and longitude.count('″') == 0) ):
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latitude, longitude = conv_lat_lon(unicode(latitude),
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unicode(longitude),
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format)
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# is there a direction element here?
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if (latitude.count("N") == 1 or latitude.count("S") == 1):
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latdeg, latmin, latsec, LatitudeRef = latitude.split(" ", 3)
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else:
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atitudeRef = "N"
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latdeg, latmin, latsec = latitude.split(" ", 2)
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if latdeg[0] == "-":
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latdeg = latdeg.replace("-", "")
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LatitudeRef = "S"
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# is there a direction element here?
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if (longitude.count("E") == 1 or longitude.count("W") == 1):
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longdeg, longmin, longsec, LongitudeRef = longitude.split(" ", 3)
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else:
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ongitudeRef = "E"
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longdeg, longmin, longsec = longitude.split(" ", 2)
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if longdeg[0] == "-":
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longdeg = longdeg.replace("-", "")
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LongitudeRef = "W"
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latitude = """%s° %s′ %s″ %s""" % (latdeg, latmin, latsec, LatitudeRef)
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longitude = """%s° %s′ %s″ %s""" % (longdeg, longmin, longsec, LongitudeRef)
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return latitude, longitude
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if latitude is not None:
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self.exif_widgets["Latitude"].set_text(latitude)
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self.exif_widgets["Longitude"].set_text(longitude)
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def convert2decimal(self, object):
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"""
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will convert a decimal GPS Coordinates into decimal format.
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@param: latitude -- GPS Latitude Coordinates from data field...
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@param: longitude -- GPS Longitude Coordinates from data field...
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"""
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# get Latitude/ Longitude from the data fields
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latitude = self.exif_widgets["Latitude"].get_text()
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longitude = self.exif_widgets["Longitude"].get_text()
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# if latitude and longitude exist?
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if (latitude and longitude):
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# is Latitude/ Longitude are in DMS format?
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if (latitude.count(" ") >= 2 and longitude.count(" ") >= 2):
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# add DMS symbols if necessary?
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# the conversion to decimal format, require the DMS symbols
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if ( (latitude.count("°") == 0 and longitude.count("°") == 0) and
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(latitude.count("′") == 0 and longitude.count("′") == 0) and
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(latitude.count('″') == 0 and longitude.count('″') == 0) ):
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latitude, longitude = self.addsymbols2gps(latitude, longitude)
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# convert degrees, minutes, seconds w/ symbols to an 8 point decimal
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latitude, longitude = conv_lat_lon( unicode(latitude),
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unicode(longitude), "D.D8")
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self.exif_widgets["Latitude"].set_text(latitude)
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self.exif_widgets["Longitude"].set_text(longitude)
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self.convert_format("D.D8")
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def convert2dms(self, object):
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"""
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will convert a decimal GPS Coordinates into degrees, minutes, seconds
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for display only
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"""
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latitude = self.exif_widgets["Latitude"].get_text()
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longitude = self.exif_widgets["Longitude"].get_text()
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# if Latitude/ Longitude exists?
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if (latitude and longitude):
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# if coordinates are in decimal format?
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if (latitude.count(".") == 1 and longitude.count(".") == 1):
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# convert latitude and longitude to a DMS with separator of ":"
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latitude, longitude = conv_lat_lon(latitude, longitude, "DEG-:")
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# remove negative symbol if there is one?
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LatitudeRef = "N"
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if latitude[0] == "-":
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latitude = latitude.replace("-", "")
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LatitudeRef = "S"
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latdeg, latmin, latsec = latitude.split(":", 2)
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# remove negative symbol if there is one?
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LongitudeRef = "E"
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if longitude[0] == "-":
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longitude = longitude.replace("-", "")
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LongitudeRef = "W"
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longdeg, longmin, longsec = longitude.split(":", 2)
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latitude = """%s° %s′ %s″ %s""" % (latdeg, latmin, latsec, LatitudeRef)
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self.exif_widgets["Latitude"].set_text(latitude)
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longitude = """%s° %s′ %s″ %s""" % (longdeg, longmin, longsec, LongitudeRef)
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self.exif_widgets["Longitude"].set_text(longitude)
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return latitude, longitude
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self.convert_format("DEG")
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def save_metadata(self, object):
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"""
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@ -1445,60 +1367,31 @@ class EditExifMetadata(Gramplet):
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latitude = self.exif_widgets["Latitude"].get_text()
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longitude = self.exif_widgets["Longitude"].get_text()
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# check to see if Latitude/ Longitude exists?
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if (latitude and longitude):
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latitude, longitude = conv_lat_lon(unicode(latitude),
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unicode(longitude),
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"DEG-:")
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if latitude is not None:
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if "-" in latitude:
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LatitudeRef = "S"
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else:
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LatitudeRef = "N"
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latitude = latitude.replace("-", "")
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# complete some error checking to prevent crashes...
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# if "?" character exist, remove it?
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if "?" in latitude:
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latitude = latitude.replace("?", "")
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if "?" in longitude:
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longitude = longitude.replace("?", "")
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# if "," character exists, remove it?
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if "," in latitude:
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latitude = latitude.replace(",", "")
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if "," in longitude:
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longitude = longitude.replace(",", "")
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# if it is in decimal format, convert it to DMS?
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# if not, then do nothing?
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self.convert2dms(self.plugin_image)
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# get Latitude/ Longitude from the data fields
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latitude = self.exif_widgets["Latitude"].get_text()
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longitude = self.exif_widgets["Longitude"].get_text()
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# will add (degrees, minutes, seconds) symbols if needed?
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# if not, do nothing...
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latitude, longitude = self.addsymbols2gps(latitude, longitude)
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# set up display
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self.exif_widgets["Latitude"].set_text(latitude)
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self.exif_widgets["Longitude"].set_text(longitude)
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LatitudeRef = " N"
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if "S" in latitude:
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LatitudeRef = " S"
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latitude = latitude.replace(LatitudeRef, "")
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LatitudeRef = LatitudeRef.replace(" ", "")
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LongitudeRef = " E"
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if "W" in longitude:
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LongitudeRef = " W"
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longitude = longitude.replace(LongitudeRef, "")
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LongitudeRef = LongitudeRef.replace(" ", "")
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# remove symbols for saving Latitude/ Longitude GPS Coordinates
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latitude, longitude = _removesymbols4saving(latitude, longitude)
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if "-" in longitude:
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LongitudeRef = "W"
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else:
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LongitudeRef = "E"
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longitude = longitude.replace("-", "")
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# convert (degrees, minutes, seconds) to Rational for saving
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self._set_value(_DATAMAP["LatitudeRef"], LatitudeRef)
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self._set_value(_DATAMAP["Latitude"], coords_to_rational(latitude) )
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self._set_value(_DATAMAP["Latitude"],
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coords_to_rational(latitude))
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# convert (degrees, minutes, seconds) to Rational for saving
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self._set_value(_DATAMAP["LongitudeRef"], LongitudeRef)
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self._set_value(_DATAMAP["Longitude"], coords_to_rational(longitude) )
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self._set_value(_DATAMAP["Longitude"],
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coords_to_rational(longitude))
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# Altitude, and Altitude Reference...
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elif widgetName == "Altitude":
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@ -1605,7 +1498,6 @@ def string_to_rational(coordinate):
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"""
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convert string to rational variable for GPS
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"""
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if '.' in coordinate:
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value1, value2 = coordinate.split('.')
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return pyexiv2.Rational(int(float(value1 + value2)), 10**len(value2))
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@ -1614,17 +1506,13 @@ def string_to_rational(coordinate):
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def coords_to_rational(Coordinates):
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"""
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returns the rational equivalent for Latitude/ Longitude, gpsTimeStamp, and Altitude...
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returns the rational equivalent for Latitude/ Longitude, gpsTimeStamp,
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and Altitude...
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"""
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# Latitude/ Longitude...
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if " " in Coordinates:
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Coordinates = [string_to_rational(coordinate) for coordinate in Coordinates.split(" ")]
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# gpsTimeStamp...
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elif ":" in Coordinates:
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Coordinates = [string_to_rational(coordinate) for coordinate in Coordinates.split(":")]
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# Latitude, Longitude, gpsTimeStamp...
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if ":" in Coordinates:
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Coordinates = [string_to_rational(coordinate)
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for coordinate in Coordinates.split(":")]
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# Altitude...
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else:
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Coordinates = [string_to_rational(Coordinates)]
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@ -1635,35 +1523,8 @@ def convert_value(value):
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"""
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will take a value from the coordinates and return its value
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"""
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if isinstance(value, (Fraction, pyexiv2.Rational)):
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return str( (Decimal(value.numerator) / Decimal(value.denominator) ) )
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def _removesymbols4saving(latitude, longitude):
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"""
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will recieve a DMS with symbols and return it without them
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@param: latitude -- Latitude GPS Coordinates
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@param: longitude -- GPS Longitude Coordinates
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"""
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# check to see if latitude/ longitude exist?
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if (latitude and longitude):
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# remove degrees symbol if it exist?
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latitude = latitude.replace("°", "")
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longitude = longitude.replace("°", "")
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# remove minutes symbol if it exist?
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latitude = latitude.replace("′", "")
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longitude = longitude.replace("′", "")
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# remove seconds symbol if it exist?
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latitude = latitude.replace('″', "")
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longitude = longitude.replace('″', "")
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return latitude, longitude
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return str((Decimal(value.numerator) / Decimal(value.denominator)))
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def rational_to_dms(coords):
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"""
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@ -1671,16 +1532,14 @@ def rational_to_dms(coords):
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[Fraction(40, 1), Fraction(0, 1), Fraction(1079, 20)]
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"""
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# coordinates look like:
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# [Rational(38, 1), Rational(38, 1), Rational(150, 50)]
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# or [Fraction(38, 1), Fraction(38, 1), Fraction(318, 100)]
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if isinstance(coords, list):
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if len(coords) == 3:
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return [convert_value(coordinate) for coordinate in coords]
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elif isinstance(coords, (Fraction, pyexiv2.Rational) ):
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elif isinstance(coords, (Fraction, pyexiv2.Rational)):
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if len(coords) == 1:
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return convert_value(coords)
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