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trunk/thuban/Thuban/UI/tableview.py revision 1219 by bh, Mon Jun 16 17:42:54 2003 UTC branches/WIP-pyshapelib-bramz/Thuban/UI/tableview.py revision 2734 by bramz, Thu Mar 1 12:42:59 2007 UTC
# Line 11  import os.path Line 11  import os.path
11    
12  from Thuban import _  from Thuban import _
13    
14  from wxPython.wx import *  import wx
15  from wxPython.grid import *  from wx import grid
16    
17  from Thuban.Lib.connector import Publisher  from Thuban.Lib.connector import Publisher
18  from Thuban.Model.table import FIELDTYPE_INT, FIELDTYPE_DOUBLE, \  from Thuban.Model.table import FIELDTYPE_INT, FIELDTYPE_DOUBLE, \
19       FIELDTYPE_STRING, table_to_dbf, table_to_csv       FIELDTYPE_STRING, table_to_dbf, table_to_csv
 import view  
20  from dialogs import ThubanFrame  from dialogs import ThubanFrame
21    
22  from messages import SHAPES_SELECTED, SESSION_REPLACED  from messages import SHAPES_SELECTED, SESSION_REPLACED
23  from Thuban.Model.messages import TABLE_REMOVED, MAP_LAYERS_REMOVED  from Thuban.Model.messages import TABLE_REMOVED, MAP_LAYERS_REMOVED
24    from Thuban.UI.common import ThubanBeginBusyCursor, ThubanEndBusyCursor
25    
26  wx_value_type_map = {FIELDTYPE_INT: wxGRID_VALUE_NUMBER,  wx_value_type_map = {FIELDTYPE_INT: grid.GRID_VALUE_NUMBER,
27                       FIELDTYPE_DOUBLE: wxGRID_VALUE_FLOAT,                       FIELDTYPE_DOUBLE: grid.GRID_VALUE_FLOAT,
28                       FIELDTYPE_STRING: wxGRID_VALUE_STRING}                       FIELDTYPE_STRING: grid.GRID_VALUE_STRING}
29    
30  ROW_SELECTED = "ROW_SELECTED"  ROW_SELECTED = "ROW_SELECTED"
31    
32  QUERY_KEY = 'S'  QUERY_KEY = 'S'
33    
34  class DataTable(wxPyGridTableBase):  class DataTable(grid.PyGridTableBase):
35    
36      """Wrapper around a Thuban table object suitable for a wxGrid"""      """Wrapper around a Thuban table object suitable for a wxGrid"""
37    
38      def __init__(self, table = None):      def __init__(self, table = None):
39          wxPyGridTableBase.__init__(self)          grid.PyGridTableBase.__init__(self)
40          self.num_cols = 0          self.num_cols = 0
41          self.num_rows = 0          self.num_rows = 0
42          self.columns = []          self.columns = []
# Line 71  class DataTable(wxPyGridTableBase): Line 71  class DataTable(wxPyGridTableBase):
71      # Renderer understands the type too,) not just strings as in the      # Renderer understands the type too,) not just strings as in the
72      # C++ version.      # C++ version.
73      def GetValue(self, row, col):      def GetValue(self, row, col):
74          record = self.table.ReadRowAsDict(row)          try:
75                record = self.table.ReadRowAsDict(row, row_is_ordinal = 1)
76            except UnicodeError:
77                record = dict()
78                for (key, val) in self.table.ReadRowAsDict(row, \
79                                  row_is_ordinal = 1).items():
80                    if isinstance(val, str):
81                        record[key] = val.decode('iso-8859-1')
82                    else:
83                        record[key] = val
84          return record[self.columns[col][0]]          return record[self.columns[col][0]]
85    
86      def SetValue(self, row, col, value):      def SetValue(self, row, col, value):
# Line 102  class DataTable(wxPyGridTableBase): Line 111  class DataTable(wxPyGridTableBase):
111          return self.CanGetValueAs(row, col, typeName)          return self.CanGetValueAs(row, col, typeName)
112    
113    
114        #
115        def RowIdToOrdinal(self, rowid):
116            """Return the ordinal of the row given by its id"""
117            return self.table.RowIdToOrdinal(rowid)
118    
119        def RowOrdinalToId(self, ordinal):
120            """Return the id of the row given by its ordinal"""
121            return self.table.RowOrdinalToId(ordinal)
122    
123    
124  class NullRenderer(wxPyGridCellRenderer):  class NullRenderer(grid.PyGridCellRenderer):
125    
126      """Renderer that draws NULL as a gray rectangle      """Renderer that draws NULL as a gray rectangle
127    
# Line 112  class NullRenderer(wxPyGridCellRenderer) Line 130  class NullRenderer(wxPyGridCellRenderer)
130      """      """
131    
132      def __init__(self, non_null_renderer):      def __init__(self, non_null_renderer):
133          wxPyGridCellRenderer.__init__(self)          grid.PyGridCellRenderer.__init__(self)
134          self.non_null_renderer = non_null_renderer          self.non_null_renderer = non_null_renderer
135    
136      def Draw(self, grid, attr, dc, rect, row, col, isSelected):      def Draw(self, grid, attr, dc, rect, row, col, isSelected):
137          value = grid.table.GetValue(row, col)          value = grid.table.GetValue(row, col)
138          if value is None:          if value is None:
139              dc.SetBackgroundMode(wxSOLID)              dc.SetBackgroundMode(wx.SOLID)
140              dc.SetBrush(wxBrush(wxColour(192, 192, 192), wxSOLID))              dc.SetBrush(wx.Brush(wx.Colour(192, 192, 192), wx.SOLID))
141              dc.SetPen(wxTRANSPARENT_PEN)              dc.SetPen(wx.TRANSPARENT_PEN)
142              dc.DrawRectangle(rect.x, rect.y, rect.width, rect.height)              dc.DrawRectangle(rect.x, rect.y, rect.width, rect.height)
143          else:          else:
144              self.non_null_renderer.Draw(grid, attr, dc, rect, row, col,              self.non_null_renderer.Draw(grid, attr, dc, rect, row, col,
# Line 133  class NullRenderer(wxPyGridCellRenderer) Line 151  class NullRenderer(wxPyGridCellRenderer)
151          return NullRenderer(self.non_null_renderer)          return NullRenderer(self.non_null_renderer)
152    
153    
154  class TableGrid(wxGrid, Publisher):  class TableGrid(grid.Grid, Publisher):
155    
156      """A grid view for a Thuban table      """A grid view for a Thuban table
157    
# Line 146  class TableGrid(wxGrid, Publisher): Line 164  class TableGrid(wxGrid, Publisher):
164      """      """
165    
166      def __init__(self, parent, table = None):      def __init__(self, parent, table = None):
167          wxGrid.__init__(self, parent, -1)          grid.Grid.__init__(self, parent, -1)
168    
169          self.allow_messages_count = 0          self.allow_messages_count = 0
170    
# Line 169  class TableGrid(wxGrid, Publisher): Line 187  class TableGrid(wxGrid, Publisher):
187          # long time.          # long time.
188          #self.AutoSizeColumns(False)          #self.AutoSizeColumns(False)
189    
190          self.SetSelectionMode(wxGrid.wxGridSelectRows)          self.SetSelectionMode(grid.Grid.wxGridSelectRows)
191    
192          self.ToggleEventListeners(True)          self.ToggleEventListeners(True)
193          EVT_GRID_RANGE_SELECT(self, self.OnRangeSelect)          self.Bind(grid.EVT_GRID_RANGE_SELECT, self.OnRangeSelect)
194          EVT_GRID_SELECT_CELL(self, self.OnSelectCell)          self.Bind(grid.EVT_GRID_SELECT_CELL, self.OnSelectCell)
195    
196          # Replace the normal renderers with our own versions which          # Replace the normal renderers with our own versions which
197          # render NULL/None values specially          # render NULL/None values specially
198          self.RegisterDataType(wxGRID_VALUE_STRING,          self.RegisterDataType(grid.GRID_VALUE_STRING,
199                                NullRenderer(wxGridCellStringRenderer()), None)                                NullRenderer(grid.GridCellStringRenderer()), None)
200          self.RegisterDataType(wxGRID_VALUE_NUMBER,          self.RegisterDataType(grid.GRID_VALUE_NUMBER,
201                                NullRenderer(wxGridCellNumberRenderer()), None)                                NullRenderer(grid.GridCellNumberRenderer()), None)
202          self.RegisterDataType(wxGRID_VALUE_FLOAT,          self.RegisterDataType(grid.GRID_VALUE_FLOAT,
203                                NullRenderer(wxGridCellFloatRenderer()), None)                                NullRenderer(grid.GridCellFloatRenderer()), None)
204    
205            self.Bind(wx.EVT_WINDOW_DESTROY, self.OnDestroy)
206    
207        def OnDestroy(self, event):
208            Publisher.Destroy(self)
209    
210      def SetTableObject(self, table):      def SetTableObject(self, table):
211          self.table.SetTable(table)          self.table.SetTable(table)
212    
213      def OnRangeSelect(self, event):      def OnRangeSelect(self, event):
214            to_id = self.table.RowOrdinalToId
215          if self.handleSelectEvents:          if self.handleSelectEvents:
216              self.rows = dict([(i, 0) for i in self.GetSelectedRows()])              self.rows = dict([(to_id(i), 0) for i in self.GetSelectedRows()])
217    
218              # if we're selecting we need to include the selected range and              # if we're selecting we need to include the selected range and
219              # make sure that the current row is also included, which may              # make sure that the current row is also included, which may
220              # not be the case if you just click on a single row!              # not be the case if you just click on a single row!
221              if event.Selecting():              if event.Selecting():
222                  for i in range(event.GetTopRow(), event.GetBottomRow() + 1):                  for i in range(event.GetTopRow(), event.GetBottomRow() + 1):
223                      self.rows[i] = 0                      self.rows[to_id(i)] = 0
224                  self.rows[event.GetTopLeftCoords().GetRow()] = 0                  self.rows[to_id(event.GetTopLeftCoords().GetRow())] = 0
225        
226              self.issue(ROW_SELECTED, self.rows.keys())              self.issue(ROW_SELECTED, self.rows.keys())
227    
228          event.Skip()          event.Skip()
229    
230      def OnSelectCell(self, event):      def OnSelectCell(self, event):
231            to_id = self.table.RowOrdinalToId
232          if self.handleSelectEvents:          if self.handleSelectEvents:
233              self.issue(ROW_SELECTED, self.GetSelectedRows())              self.issue(ROW_SELECTED,
234                           [to_id(i) for i in self.GetSelectedRows()])
235          event.Skip()          event.Skip()
236    
237      def ToggleEventListeners(self, on):      def ToggleEventListeners(self, on):
238          self.handleSelectEvents = on          self.handleSelectEvents = on
239                
240      def GetNumberSelected(self):      def GetNumberSelected(self):
241          return len(self.rows)          return len(self.rows)
242    
# Line 240  class TableGrid(wxGrid, Publisher): Line 266  class TableGrid(wxGrid, Publisher):
266          if self.allow_messages_count == 0:          if self.allow_messages_count == 0:
267              Publisher.issue(self, *args)              Publisher.issue(self, *args)
268    
269        def SelectRowById(self, rowid, do_select):
270            """Select row with the id rowid"""
271            self.SelectRow(self.table.RowIdToOrdinal(rowid), do_select)
272    
273    
274  class LayerTableGrid(TableGrid):  class LayerTableGrid(TableGrid):
275    
# Line 262  class LayerTableGrid(TableGrid): Line 292  class LayerTableGrid(TableGrid):
292              try:              try:
293                  self.ClearSelection()                  self.ClearSelection()
294                  if len(shapes) > 0:                  if len(shapes) > 0:
295                      #                      # keep track of the lowest id so we can make it the
296                      # keep track of the lowest id so we can make it                      # first visible item
297                      # the first visible item                      first = -1
                     #  
                     first = shapes[0]  
298    
299                        to_ordinal = self.table.RowIdToOrdinal
300                      for shape in shapes:                      for shape in shapes:
301                          self.SelectRow(shape, True)                          row = to_ordinal(shape)
302                          if shape < first:                          self.SelectRow(row, True)
303                              first = shape                          if row < first:
304                                first = row
305    
306                      self.SetGridCursor(first, 0)                      self.SetGridCursor(first, 0)
307                      self.MakeCellVisible(first, 0)                      self.MakeCellVisible(first, 0)
# Line 285  class TableFrame(ThubanFrame): Line 315  class TableFrame(ThubanFrame):
315    
316      def __init__(self, parent, name, title, table):      def __init__(self, parent, name, title, table):
317          ThubanFrame.__init__(self, parent, name, title)          ThubanFrame.__init__(self, parent, name, title)
318          self.panel = wxPanel(self, -1)          self.panel = wx.Panel(self, -1)
319    
320          self.table = table          self.table = table
321          self.grid = self.make_grid(self.table)          self.grid = self.make_grid(self.table)
# Line 294  class TableFrame(ThubanFrame): Line 324  class TableFrame(ThubanFrame):
324          self.session = self.app.Session()          self.session = self.app.Session()
325          self.session.Subscribe(TABLE_REMOVED, self.close_on_table_removed)          self.session.Subscribe(TABLE_REMOVED, self.close_on_table_removed)
326    
327        def OnDestroy(self, event):
328            """Extend inherited method to unsubscribe messages"""
329            self.app.Unsubscribe(SESSION_REPLACED, self.close_on_session_replaced)
330            self.session.Unsubscribe(TABLE_REMOVED, self.close_on_table_removed)
331            ThubanFrame.OnDestroy(self, event)
332    
333      def make_grid(self, table):      def make_grid(self, table):
334          """Return the table grid to use in the frame.          """Return the table grid to use in the frame.
# Line 303  class TableFrame(ThubanFrame): Line 338  class TableFrame(ThubanFrame):
338          """          """
339          return TableGrid(self, table)          return TableGrid(self, table)
340    
     def OnClose(self, event):  
         self.app.Unsubscribe(SESSION_REPLACED, self.close_on_session_replaced)  
         self.session.Unsubscribe(TABLE_REMOVED, self.close_on_table_removed)  
         ThubanFrame.OnClose(self, event)  
   
341      def close_on_session_replaced(self, *args):      def close_on_session_replaced(self, *args):
342          """Subscriber for the SESSION_REPLACED messages.          """Subscriber for the SESSION_REPLACED messages.
343    
# Line 329  class TableFrame(ThubanFrame): Line 359  class TableFrame(ThubanFrame):
359  ID_QUERY = 4001  ID_QUERY = 4001
360  ID_EXPORT = 4002  ID_EXPORT = 4002
361  ID_COMBOVALUE = 4003  ID_COMBOVALUE = 4003
362    ID_EXPORTSEL = 4004
363    
364  class QueryTableFrame(TableFrame):  class QueryTableFrame(TableFrame):
365    
# Line 342  class QueryTableFrame(TableFrame): Line 373  class QueryTableFrame(TableFrame):
373      def __init__(self, parent, name, title, table):      def __init__(self, parent, name, title, table):
374          TableFrame.__init__(self, parent, name, title, table)          TableFrame.__init__(self, parent, name, title, table)
375    
376          self.combo_fields = wxComboBox(self.panel, -1, style=wxCB_READONLY)          self.combo_fields = wx.ComboBox(self.panel, -1, style=wx.CB_READONLY)
377          self.choice_comp = wxChoice(self.panel, -1,          self.choice_comp = wx.Choice(self.panel, -1,
378                                choices=["<", "<=", "==", "!=", ">=", ">"])                                choices=["<", "<=", "==", "!=", ">=", ">"])
379          self.combo_value = wxComboBox(self.panel, ID_COMBOVALUE)          self.combo_value = wx.ComboBox(self.panel, ID_COMBOVALUE)
380          self.choice_action = wxChoice(self.panel, -1,          self.choice_action = wx.Choice(self.panel, -1,
381                                  choices=[_("Replace Selection"),                                  choices=[_("Replace Selection"),
382                                          _("Refine Selection"),                                          _("Refine Selection"),
383                                          _("Add to Selection")])                                          _("Add to Selection")])
384    
385          button_query = wxButton(self.panel, ID_QUERY, _("Query"))          button_query = wx.Button(self.panel, ID_QUERY, _("Query"))
386          button_saveas = wxButton(self.panel, ID_EXPORT, _("Export"))          button_export = wx.Button(self.panel, ID_EXPORT, _("Export"))
387            button_exportSel = wx.Button(self.panel, ID_EXPORTSEL, _("Export Selection"))
388            button_close = wx.Button(self.panel, wx.ID_CLOSE, _("Close"))
389    
390          self.CreateStatusBar()          self.CreateStatusBar()
391    
# Line 374  class QueryTableFrame(TableFrame): Line 407  class QueryTableFrame(TableFrame):
407    
408          self.UpdateStatusText()          self.UpdateStatusText()
409    
410          topBox = wxBoxSizer(wxVERTICAL)          topBox = wx.BoxSizer(wx.VERTICAL)
411    
412          sizer = wxStaticBoxSizer(wxStaticBox(self.panel, -1,          sizer = wx.StaticBoxSizer(wx.StaticBox(self.panel, -1,
413                                    _("Selection")),                                    _("Selection")),
414                                    wxHORIZONTAL)                                    wx.HORIZONTAL)
415          sizer.Add(self.combo_fields, 1, wxEXPAND|wxALL, 4)          sizer.Add(self.combo_fields, 1, wx.EXPAND|wx.ALL, 4)
416          sizer.Add(self.choice_comp, 0, wxALL, 4)          sizer.Add(self.choice_comp, 0, wx.ALL, 4)
417          sizer.Add(self.combo_value, 1, wxEXPAND|wxALL, 4)          sizer.Add(self.combo_value, 1, wx.EXPAND|wx.ALL, 4)
418          sizer.Add(self.choice_action, 0, wxALL, 4)          sizer.Add(self.choice_action, 0, wx.ALL, 4)
419          sizer.Add(button_query, 0, wxALL | wxALIGN_CENTER_VERTICAL, 4)          sizer.Add(button_query, 0, wx.ALL | wx.ALIGN_CENTER_VERTICAL, 4)
420          sizer.Add(40, 20, 0, wxALL, 4)          sizer.Add( (40, 20), 0, wx.ALL, 4)
421          sizer.Add(button_saveas, 0, wxALL | wxALIGN_CENTER_VERTICAL, 4)  
422            topBox.Add(sizer, 0, wx.EXPAND|wx.ALL, 4)
423          topBox.Add(sizer, 0, wxEXPAND|wxALL, 4)          topBox.Add(self.grid, 1, wx.EXPAND|wx.ALL, 0)
424          topBox.Add(self.grid, 1, wxEXPAND|wxALL, 0)  
425            sizer = wx.BoxSizer(wx.HORIZONTAL)
426            sizer.Add(button_export, 0, wx.ALL, 4)
427            sizer.Add(button_exportSel, 0, wx.ALL, 4)
428            sizer.Add( (60, 20), 1, wx.ALL|wx.EXPAND, 4)
429            sizer.Add(button_close, 0, wx.ALL|wx.ALIGN_RIGHT, 4)
430            topBox.Add(sizer, 0, wx.ALL | wx.EXPAND, 4)
431    
432          self.panel.SetAutoLayout(True)          self.panel.SetAutoLayout(True)
433          self.panel.SetSizer(topBox)          self.panel.SetSizer(topBox)
434          topBox.Fit(self.panel)          topBox.Fit(self.panel)
435          topBox.SetSizeHints(self.panel)          topBox.SetSizeHints(self.panel)
436    
437          panelSizer = wxBoxSizer(wxVERTICAL)          panelSizer = wx.BoxSizer(wx.VERTICAL)
438          panelSizer.Add(self.panel, 1, wxEXPAND, 0)          panelSizer.Add(self.panel, 1, wx.EXPAND, 0)
439          self.SetAutoLayout(True)          self.SetAutoLayout(True)
440          self.SetSizer(panelSizer)          self.SetSizer(panelSizer)
441          panelSizer.Fit(self)          panelSizer.Fit(self)
# Line 404  class QueryTableFrame(TableFrame): Line 443  class QueryTableFrame(TableFrame):
443    
444          self.grid.SetFocus()          self.grid.SetFocus()
445    
446          EVT_BUTTON(self, ID_QUERY, self.OnQuery)          self.Bind(wx.EVT_BUTTON, self.OnQuery, id=ID_QUERY)
447          EVT_BUTTON(self, ID_EXPORT, self.OnSaveAs)          self.Bind(wx.EVT_BUTTON, self.OnExport, id=ID_EXPORT)
448          EVT_KEY_DOWN(self.grid, self.OnKeyDown)          self.Bind(wx.EVT_BUTTON, self.OnExportSel, id=ID_EXPORTSEL)
449          EVT_GRID_RANGE_SELECT(self.grid, self.OnGridSelectRange)          self.Bind(wx.EVT_BUTTON, self.OnClose, id=wx.ID_CLOSE)
450          EVT_GRID_SELECT_CELL(self.grid, self.OnGridSelectCell)          self.Bind(wx.EVT_KEY_DOWN, self.OnKeyDown, self.grid)
451    
452      def UpdateStatusText(self):          self.grid.Subscribe(ROW_SELECTED, self.UpdateStatusText)
453          self.SetStatusText(_("%i rows (%i selected), %i columns")  
454              % (self.grid.GetNumberRows(),      def UpdateStatusText(self, rows=None):
455            self.SetStatusText(_("%i rows (%i selected), %i columns")
456                % (self.grid.GetNumberRows(),
457                 self.grid.GetNumberSelected(),                 self.grid.GetNumberSelected(),
458                 self.grid.GetNumberCols()))                 self.grid.GetNumberCols()))
459    
     def OnGridSelectRange(self, event):  
         self.UpdateStatusText()  
         event.Skip()  
   
     def OnGridSelectCell(self, event):  
         self.UpdateStatusText()  
         event.Skip()  
           
460      def OnKeyDown(self, event):      def OnKeyDown(self, event):
461          """Catch query key from grid"""          """Catch query key from grid"""
462          if event.AltDown() and event.GetKeyCode() == ord(QUERY_KEY):          if event.AltDown() and event.GetKeyCode() == ord(QUERY_KEY):
# Line 433  class QueryTableFrame(TableFrame): Line 466  class QueryTableFrame(TableFrame):
466              event.Skip()              event.Skip()
467    
468      def OnQuery(self, event):      def OnQuery(self, event):
469          wxBeginBusyCursor()          ThubanBeginBusyCursor()
470          try:          try:
471    
472              text = self.combo_value.GetValue()              text = self.combo_value.GetValue()
# Line 444  class QueryTableFrame(TableFrame): Line 477  class QueryTableFrame(TableFrame):
477                  value = self.table.Column(text)                  value = self.table.Column(text)
478    
479              ids = self.table.SimpleQuery(              ids = self.table.SimpleQuery(
480                      self.table.Column(self.combo_fields.GetStringSelection()),                      self.table.Column(self.combo_fields.GetStringSelection()),
481                      self.choice_comp.GetStringSelection(),                      self.choice_comp.GetStringSelection(),
482                      value)                      value)
483    
484              choice = self.choice_action.GetSelection()              choice = self.choice_action.GetSelection()
485                
486              #              #
487              # what used to be nice code got became a bit ugly because              # what used to be nice code got became a bit ugly because
488              # each time we select a row a message is sent to the grid              # each time we select a row a message is sent to the grid
# Line 484  class QueryTableFrame(TableFrame): Line 517  class QueryTableFrame(TableFrame):
517                  if firsttime:                  if firsttime:
518                      firsttime = False                      firsttime = False
519                  else:                  else:
520                      self.grid.SelectRow(id, True)                      self.grid.SelectRowById(id, True)
521    
522              self.grid.ToggleEventListeners(True)              self.grid.ToggleEventListeners(True)
523    
# Line 492  class QueryTableFrame(TableFrame): Line 525  class QueryTableFrame(TableFrame):
525              # select the first row              # select the first row
526              #              #
527              if ids:              if ids:
528                  self.grid.SelectRow(ids[0], True)                  self.grid.SelectRowById(ids[0], True)
529    
530          finally:          finally:
531              wxEndBusyCursor()              ThubanEndBusyCursor()
532            
533      def OnSaveAs(self, event):      def doExport(self, onlySelected):
534          dlg = wxFileDialog(self, _("Export Table To"), ".", "",  
535            dlg = wx.FileDialog(self, _("Export Table To"), ".", "",
536                             _("DBF Files (*.dbf)|*.dbf|") +                             _("DBF Files (*.dbf)|*.dbf|") +
537                             _("CSV Files (*.csv)|*.csv|") +                             _("CSV Files (*.csv)|*.csv|") +
538                             _("All Files (*.*)|*.*"),                             _("All Files (*.*)|*.*"),
539                             wxSAVE|wxOVERWRITE_PROMPT)                             wx.SAVE|wx.OVERWRITE_PROMPT)
540          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wx.ID_OK:
541              filename = dlg.GetPath()              filename = dlg.GetPath()
542              type = os.path.basename(filename).split('.')[-1:][0]              type = os.path.basename(filename).split('.')[-1:][0]
543              dlg.Destroy()              dlg.Destroy()
544    
545                if onlySelected:
546                    records = self.grid.GetSelectedRows()
547                else:
548                    records = None
549    
550              if type.upper() == "DBF":              if type.upper() == "DBF":
551                  table_to_dbf(self.table, filename)                  table_to_dbf(self.table, filename, records)
552              elif type.upper() == 'CSV':              elif type.upper() == 'CSV':
553                  table_to_csv(self.table, filename)                  table_to_csv(self.table, filename, records)
554              else:              else:
555                  dlg = wxMessageDialog(None, "Unsupported format: %s" % type,                  dlg = wx.MessageDialog(None, "Unsupported format: %s" % type,
556                                        "Table Export", wxOK|wxICON_WARNING)                                        "Table Export", wx.OK|wx.ICON_WARNING)
557                  dlg.ShowModal()                  dlg.ShowModal()
558                  dlg.Destroy()                  dlg.Destroy()
559          else:          else:
560              dlg.Destroy()              dlg.Destroy()
561    
562        def OnExport(self, event):
563            self.doExport(False)
564    
565        def OnExportSel(self, event):
566            self.doExport(True)
567    
568      def OnClose(self, event):      def OnClose(self, event):
569          TableFrame.OnClose(self, event)          TableFrame.OnClose(self, event)
570    
571      def get_selected(self):      def get_selected(self):
572          """Return a dictionary of the selected rows.          """Return a dictionary of the selected rows.
573            
574          The dictionary has sthe indexes as keys."""          The dictionary has the indexes as keys."""
575          return dict([(i, 0) for i in self.grid.GetSelectedRows()])          to_id = self.table.RowOrdinalToId
576            return dict([(to_id(i), 0) for i in self.grid.GetSelectedRows()])
577    
578    
579  class LayerTableFrame(QueryTableFrame):  class LayerTableFrame(QueryTableFrame):
580    
# Line 548  class LayerTableFrame(QueryTableFrame): Line 596  class LayerTableFrame(QueryTableFrame):
596          # accordingly          # accordingly
597          sel = self.get_selected().keys()          sel = self.get_selected().keys()
598          for i in sel:          for i in sel:
599              self.grid.SelectRow(i, True)              self.grid.SelectRowById(i, True)
600    
601        def OnDestroy(self, event):
602            """Extend inherited method to unsubscribe messages"""
603            # There's no need to unsubscribe from self.grid's messages
604            # because it will get a DESTROY event too (since destroying the
605            # frame basically means that all child windows are also
606            # destroyed) and this it will clear all subscriptions
607            # automatically.  It may even have been destroyed already (this
608            # does happen on w2000 for instance) so calling any of its
609            # methods here would be an error.
610            self.parent.Unsubscribe(SHAPES_SELECTED, self.select_shapes)
611            self.map.Unsubscribe(MAP_LAYERS_REMOVED, self.map_layers_removed)
612            QueryTableFrame.OnDestroy(self, event)
613    
614      def make_grid(self, table):      def make_grid(self, table):
615          """Override the derived method to return a LayerTableGrid.          """Override the derived method to return a LayerTableGrid.
# Line 561  class LayerTableFrame(QueryTableFrame): Line 622  class LayerTableFrame(QueryTableFrame):
622          """          """
623          return dict([(i, 0) for i in self.parent.SelectedShapes()])          return dict([(i, 0) for i in self.parent.SelectedShapes()])
624    
     def OnClose(self, event):  
         """Override the derived method to first unsubscribed."""  
         self.parent.Unsubscribe(SHAPES_SELECTED, self.select_shapes)  
         self.grid.Unsubscribe(ROW_SELECTED, self.rows_selected)  
         self.map.Unsubscribe(MAP_LAYERS_REMOVED, self.map_layers_removed)  
         QueryTableFrame.OnClose(self, event)  
   
625      def select_shapes(self, layer, shapes):      def select_shapes(self, layer, shapes):
626          """Subscribed to the SHAPES_SELECTED message.          """Subscribed to the SHAPES_SELECTED message.
627    
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