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'''
Task Coach - Your friendly task manager
Copyright (C) 2011 Task Coach developers <developers@taskcoach.org>
Task Coach is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Task Coach is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
'''
from taskcoachlib import meta
from taskcoachlib.i18n import _
import chardet
import wx
import csv
import tempfile
import wx.grid as gridlib
import wx.wizard as wiz
class CSVDialect(csv.Dialect):
def __init__(self, delimiter=',', quotechar='"', doublequote=True, escapechar=''):
self.delimiter = delimiter
self.quotechar = quotechar
self.quoting = csv.QUOTE_MINIMAL
self.lineterminator = '\r\n'
self.doublequote = doublequote
self.escapechar = escapechar
csv.Dialect.__init__(self)
class CSVImportOptionsPage(wiz.WizardPageSimple):
def __init__(self, filename, *args, **kwargs):
super(CSVImportOptionsPage, self).__init__(*args, **kwargs)
self.delimiter = wx.Choice(self, wx.ID_ANY)
self.delimiter.Append(_('Comma'))
self.delimiter.Append(_('Tab'))
self.delimiter.Append(_('Space'))
self.delimiter.Append(_('Colon'))
self.delimiter.Append(_('Semicolon'))
self.delimiter.Append(_('Pipe'))
self.delimiter.SetSelection(0)
self.date = wx.Choice(self)
self.date.Append(_('DD/MM (day first)'))
self.date.Append(_('MM/DD (month first)'))
self.date.SetSelection(0)
self.quoteChar = wx.Choice(self, wx.ID_ANY)
self.quoteChar.Append(_('Simple quote'))
self.quoteChar.Append(_('Double quote'))
self.quoteChar.SetSelection(1)
self.quotePanel = wx.Panel(self, wx.ID_ANY)
self.doubleQuote = wx.RadioButton(self.quotePanel, wx.ID_ANY, _('Double it'))
self.doubleQuote.SetValue(True)
self.escapeQuote = wx.RadioButton(self.quotePanel, wx.ID_ANY, _('Escape with'))
self.escapeChar = wx.TextCtrl(self.quotePanel, wx.ID_ANY, '\\', size=(50, -1))
self.escapeChar.Enable(False)
self.escapeChar.SetMaxLength(1)
hsizer = wx.BoxSizer(wx.HORIZONTAL)
hsizer.Add(self.doubleQuote, 1, wx.ALL, 3)
hsizer.Add(self.escapeQuote, 1, wx.ALL, 3)
hsizer.Add(self.escapeChar, 1, wx.ALL, 3)
self.quotePanel.SetSizer(hsizer)
self.importSelectedRowsOnly = wx.CheckBox(self, wx.ID_ANY, _('Import only the selected rows'))
self.importSelectedRowsOnly.SetValue(False)
self.hasHeaders = wx.CheckBox(self, wx.ID_ANY, _('First line describes fields'))
self.hasHeaders.SetValue(True)
self.grid = gridlib.Grid(self)
self.grid.SetRowLabelSize(0)
self.grid.SetColLabelSize(0)
self.grid.CreateGrid(0, 0)
self.grid.EnableEditing(False)
self.grid.SetSelectionMode(self.grid.wxGridSelectRows)
vsizer = wx.BoxSizer(wx.VERTICAL)
gridSizer = wx.FlexGridSizer(0, 2)
gridSizer.Add(wx.StaticText(self, wx.ID_ANY, _('Delimiter')), 0,
wx.ALIGN_CENTRE_VERTICAL | wx.ALL, 3)
gridSizer.Add(self.delimiter, 0, wx.ALL, 3)
gridSizer.Add(wx.StaticText(self, wx.ID_ANY, _('Date format')), 0,
wx.ALIGN_CENTER_VERTICAL | wx.ALL, 3)
gridSizer.Add(self.date, 0, wx.ALL, 3)
gridSizer.Add(wx.StaticText(self, wx.ID_ANY, _('Quote character')), 0,
wx.ALIGN_CENTRE_VERTICAL | wx.ALL, 3)
gridSizer.Add(self.quoteChar, 0, wx.ALL, 3)
gridSizer.Add(wx.StaticText(self, wx.ID_ANY, _('Escape quote')), 0,
wx.ALIGN_CENTRE_VERTICAL | wx.ALL, 3)
gridSizer.Add(self.quotePanel, 0, wx.ALL, 3)
gridSizer.Add(self.importSelectedRowsOnly, 0, wx.ALL, 3)
gridSizer.Add((0, 0))
gridSizer.Add(self.hasHeaders, 0, wx.ALL, 3)
gridSizer.Add((0, 0))
gridSizer.AddGrowableCol(1)
vsizer.Add(gridSizer, 0, wx.EXPAND | wx.ALL, 3)
vsizer.Add(self.grid, 1, wx.EXPAND | wx.ALL, 3)
self.SetSizer(vsizer)
self.headers = None
self.filename = filename
self.encoding = chardet.detect(file(filename, 'rb').read())['encoding']
self.OnOptionChanged(None)
wx.EVT_CHOICE(self.delimiter, wx.ID_ANY, self.OnOptionChanged)
wx.EVT_CHOICE(self.quoteChar, wx.ID_ANY, self.OnOptionChanged)
wx.EVT_CHECKBOX(self.importSelectedRowsOnly, wx.ID_ANY, self.OnOptionChanged)
wx.EVT_CHECKBOX(self.hasHeaders, wx.ID_ANY, self.OnOptionChanged)
wx.EVT_RADIOBUTTON(self.doubleQuote, wx.ID_ANY, self.OnOptionChanged)
wx.EVT_RADIOBUTTON(self.escapeQuote, wx.ID_ANY, self.OnOptionChanged)
wx.EVT_TEXT(self.escapeChar, wx.ID_ANY, self.OnOptionChanged)
def OnOptionChanged(self, event): # pylint: disable=W0613
self.escapeChar.Enable(self.escapeQuote.GetValue())
if self.filename is None:
self.grid.SetRowLabelSize(0)
self.grid.SetColLabelSize(0)
if self.grid.GetNumberCols():
self.grid.DeleteRows(0, self.grid.GetNumberRows())
self.grid.DeleteCols(0, self.grid.GetNumberCols())
else:
if self.doubleQuote.GetValue():
doublequote = True
escapechar = ''
else:
doublequote = False
escapechar = self.escapeChar.GetValue().encode('UTF-8')
self.dialect = CSVDialect(delimiter={0: ',', 1: '\t', 2: ' ', 3: ':', 4: ';', 5: '|'}[self.delimiter.GetSelection()],
quotechar={0: "'", 1: '"'}[self.quoteChar.GetSelection()],
doublequote=doublequote, escapechar=escapechar)
fp = tempfile.TemporaryFile()
try:
fp.write(file(self.filename, 'rU').read().decode(self.encoding).encode('UTF-8'))
fp.seek(0)
reader = csv.reader(fp, dialect=self.dialect)
if self.hasHeaders.GetValue():
self.headers = [header.decode('UTF-8') for header in reader.next()]
else:
# In some cases, empty fields are omitted if they're at the end...
hsize = 0
for line in reader:
hsize = max(hsize, len(line))
self.headers = [_('Field #%d') % idx for idx in xrange(hsize)]
fp.seek(0)
reader = csv.reader(fp, dialect=self.dialect)
if self.grid.GetNumberCols():
self.grid.DeleteRows(0, self.grid.GetNumberRows())
self.grid.DeleteCols(0, self.grid.GetNumberCols())
self.grid.InsertCols(0, len(self.headers))
self.grid.SetColLabelSize(20)
for idx, header in enumerate(self.headers):
self.grid.SetColLabelValue(idx, header)
lineno = 0
for line in reader:
self.grid.InsertRows(lineno, 1)
for idx, value in enumerate(line):
if idx < self.grid.GetNumberCols():
self.grid.SetCellValue(lineno, idx, value.decode('UTF-8'))
lineno += 1
finally:
fp.close()
def GetOptions(self):
return dict(dialect=self.dialect,
dayfirst=self.date.GetSelection() == 0,
importSelectedRowsOnly=self.importSelectedRowsOnly.GetValue(),
selectedRows=self.GetSelectedRows(),
hasHeaders=self.hasHeaders.GetValue(),
filename=self.filename,
encoding=self.encoding,
fields=self.headers)
def GetSelectedRows(self):
startRows = [row for row, dummy_column in self.grid.GetSelectionBlockTopLeft()]
stopRows = [row for row, dummy_column in self.grid.GetSelectionBlockBottomRight()]
selectedRows = []
for startRow, stopRow in zip(startRows, stopRows):
selectedRows.extend(range(startRow, stopRow + 1))
return selectedRows
def CanGoNext(self):
if self.filename is not None:
self.GetNext().SetOptions(self.GetOptions())
return True, None
return False, _('Please select a file.')
class CSVImportMappingPage(wiz.WizardPageSimple):
def __init__(self, *args, **kwargs):
super(CSVImportMappingPage, self).__init__(*args, **kwargs)
# (field name, multiple values allowed)
self.fields = [
(_('None'), True),
(_('ID'), False),
(_('Subject'), False),
(_('Description'), True),
(_('Category'), True),
(_('Priority'), False),
(_('Planned start date'), False),
(_('Due date'), False),
(_('Actual start date'), False),
(_('Completion date'), False),
(_('Reminder date'), False),
(_('Budget'), False),
(_('Fixed fee'), False),
(_('Hourly fee'), False),
(_('Percent complete'), False),
]
self.choices = []
self.interior = wx.ScrolledWindow(self)
self.interior.EnableScrolling(False, True)
self.interior.SetScrollRate(10, 10)
sizer = wx.BoxSizer()
sizer.Add(self.interior, 1, wx.EXPAND)
self.SetSizer(sizer)
def SetOptions(self, options):
self.options = options
if self.interior.GetSizer():
self.interior.GetSizer().Clear(True)
for child in self.interior.GetChildren():
self.interior.RemoveChild(child)
self.choices = []
gsz = wx.FlexGridSizer(0, 2, 4, 2)
gsz.Add(wx.StaticText(self.interior, wx.ID_ANY, _('Column header in CSV file')))
gsz.Add(wx.StaticText(self.interior, wx.ID_ANY, _('%s attribute') % meta.name))
gsz.AddSpacer((3, 3))
gsz.AddSpacer((3, 3))
tcFieldNames = [field[0] for field in self.fields]
for fieldName in options['fields']:
gsz.Add(wx.StaticText(self.interior, wx.ID_ANY, fieldName), flag=wx.ALIGN_CENTER_VERTICAL)
choice = wx.Choice(self.interior, wx.ID_ANY)
for tcFieldName in tcFieldNames:
choice.Append(tcFieldName)
choice.SetSelection(self.findFieldName(fieldName, tcFieldNames))
self.choices.append(choice)
gsz.Add(choice, flag=wx.ALIGN_CENTER_VERTICAL)
gsz.AddGrowableCol(1)
self.interior.SetSizer(gsz)
gsz.Layout()
def findFieldName(self, fieldName, fieldNames):
def fieldNameIndex(fieldName, fieldNames):
return fieldNames.index(fieldName) if fieldName in fieldNames else 0
index = fieldNameIndex(fieldName, fieldNames)
return index if index else fieldNameIndex(fieldName[:6], [fieldName[:6] for fieldName in fieldNames])
def CanGoNext(self):
wrongFields = []
countNotNone = 0
for index, (fieldName, canMultiple) in enumerate(self.fields):
count = 0
for choice in self.choices:
if choice.GetSelection() == index:
count += 1
if choice.GetSelection() != 0:
countNotNone += 1
if count > 1 and not canMultiple:
wrongFields.append(fieldName)
if countNotNone == 0:
return False, _('No field mapping.')
if len(wrongFields) == 1:
return False, _('The "%s" field cannot be selected several times.') % wrongFields[0]
if len(wrongFields):
return False, _('The fields %s cannot be selected several times.') % ', '.join(['"%s"' % fieldName for fieldName in wrongFields])
return True, None
def GetOptions(self):
options = dict(self.options)
options['mappings'] = [self.fields[choice.GetSelection()][0] for choice in self.choices]
return options
class CSVImportWizard(wiz.Wizard):
def __init__(self, filename, *args, **kwargs):
kwargs['style'] = wx.RESIZE_BORDER | wx.DEFAULT_DIALOG_STYLE
super(CSVImportWizard, self).__init__(*args, **kwargs)
self.optionsPage = CSVImportOptionsPage(filename, self)
self.mappingPage = CSVImportMappingPage(self)
self.optionsPage.SetNext(self.mappingPage)
self.mappingPage.SetPrev(self.optionsPage)
self.SetPageSize((600, -1)) # I know this is obsolete but it's the only one that works...
wiz.EVT_WIZARD_PAGE_CHANGING(self, wx.ID_ANY, self.OnPageChanging)
wiz.EVT_WIZARD_PAGE_CHANGED(self, wx.ID_ANY, self.OnPageChanged)
def OnPageChanging(self, event):
if event.GetDirection():
can, msg = event.GetPage().CanGoNext()
if not can:
wx.MessageBox(msg, _('Information'), wx.OK)
event.Veto()
def OnPageChanged(self, event):
if event.GetPage() == self.optionsPage:
pass # XXXTODO
def RunWizard(self):
return super(CSVImportWizard, self).RunWizard(self.optionsPage)
def GetOptions(self):
return self.mappingPage.GetOptions()
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