/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/tableview.py
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revision 966 by jonathan, Wed May 21 17:24:40 2003 UTC revision 1066 by frank, Tue May 27 14:18:05 2003 UTC
# Line 7  Line 7 
7    
8  __version__ = "$Revision$"  __version__ = "$Revision$"
9    
10    import os.path
11    
12  from Thuban import _  from Thuban import _
13    
14  from wxPython.wx import *  from wxPython.wx import *
# Line 14  from wxPython.grid import * Line 16  from wxPython.grid import *
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       FIELDTYPE_STRING, table_to_dbf, table_to_csv
20  import view  import view
21  from dialogs import NonModalDialog  from dialogs import NonModalNonParentDialog
22  from messages import SHAPES_SELECTED  from messages import SHAPES_SELECTED
23    
24  wx_value_type_map = {FIELDTYPE_INT: wxGRID_VALUE_NUMBER,  wx_value_type_map = {FIELDTYPE_INT: wxGRID_VALUE_NUMBER,
# Line 25  wx_value_type_map = {FIELDTYPE_INT: wxGR Line 27  wx_value_type_map = {FIELDTYPE_INT: wxGR
27    
28  ROW_SELECTED = "ROW_SELECTED"  ROW_SELECTED = "ROW_SELECTED"
29    
30    QUERY_KEY = 'S'
31    
32  class DataTable(wxPyGridTableBase):  class DataTable(wxPyGridTableBase):
33    
# Line 120  class TableGrid(wxGrid, Publisher): Line 123  class TableGrid(wxGrid, Publisher):
123          # of the table and will destroy it when done. Otherwise you          # of the table and will destroy it when done. Otherwise you
124          # would need to keep a reference to it and call its Destroy          # would need to keep a reference to it and call its Destroy
125          # method later.          # method later.
126          self.SetTable(self.table, true)          self.SetTable(self.table, True)
127    
128          #self.SetMargins(0,0)          #self.SetMargins(0,0)
129    
# Line 128  class TableGrid(wxGrid, Publisher): Line 131  class TableGrid(wxGrid, Publisher):
131          # column widths automatically but it would cause a traversal of          # column widths automatically but it would cause a traversal of
132          # the entire table which for large .dbf files can take a very          # the entire table which for large .dbf files can take a very
133          # long time.          # long time.
134          #self.AutoSizeColumns(false)          #self.AutoSizeColumns(False)
135    
136          self.SetSelectionMode(wxGrid.wxGridSelectRows)          self.SetSelectionMode(wxGrid.wxGridSelectRows)
137    
# Line 233  class LayerTableGrid(TableGrid): Line 236  class LayerTableGrid(TableGrid):
236                  self.allow_messages()                  self.allow_messages()
237    
238    
239  class TableFrame(NonModalDialog):  class TableFrame(NonModalNonParentDialog):
240    
241      """Frame that displays a Thuban table in a grid view"""      """Frame that displays a Thuban table in a grid view"""
242    
243      def __init__(self, parent, name, title, table):      def __init__(self, parent, name, title, table):
244          NonModalDialog.__init__(self, parent, name, title)          NonModalNonParentDialog.__init__(self, parent, name, title)
245          self.table = table          self.table = table
246          self.grid = self.make_grid(self.table)          self.grid = self.make_grid(self.table)
247    
# Line 252  class TableFrame(NonModalDialog): Line 255  class TableFrame(NonModalDialog):
255    
256    
257  ID_QUERY = 4001  ID_QUERY = 4001
258  ID_SAVEAS = 4002  ID_EXPORT = 4002
259    
260  class LayerTableFrame(TableFrame):  class QueryTableFrame(TableFrame):
261    
262      """Frame that displays a layer table in a grid view      """Frame that displays a table in a grid view and offers user actions
263        selection and export
264    
265      A LayerTableFrame is TableFrame whose selection is connected to the      A LayerTableFrame is TableFrame whose selection is connected to the
266      selected object in a map.      selected object in a map.
267      """      """
268    
269      def __init__(self, parent, name, title, layer, table):      def __init__(self, parent, name, title, table):
270          TableFrame.__init__(self, parent, name, title, table)          TableFrame.__init__(self, parent, name, title, table)
         self.layer = layer  
         self.grid.Subscribe(ROW_SELECTED, self.rows_selected)  
         self.parent.Subscribe(SHAPES_SELECTED, self.select_shapes)  
271    
272          self.combo_fields = wxComboBox(self, -1, style=wxCB_READONLY)          self.combo_fields = wxComboBox(self, -1, style=wxCB_READONLY)
273          self.choice_comp = wxChoice(self, -1,          self.choice_comp = wxChoice(self, -1,
# Line 278  class LayerTableFrame(TableFrame): Line 279  class LayerTableFrame(TableFrame):
279                                          _("Add to Selection")])                                          _("Add to Selection")])
280    
281          button_query = wxButton(self, ID_QUERY, _("Query"))          button_query = wxButton(self, ID_QUERY, _("Query"))
282          button_saveas = wxButton(self, ID_SAVEAS, _("Save As..."))          button_saveas = wxButton(self, ID_EXPORT, _("Export"))
283    
284          self.grid.SetSize((400, 200))          self.grid.SetSize((400, 200))
285    
# Line 294  class LayerTableFrame(TableFrame): Line 295  class LayerTableFrame(TableFrame):
295    
296          topBox = wxBoxSizer(wxVERTICAL)          topBox = wxBoxSizer(wxVERTICAL)
297    
298          sizer = wxStaticBoxSizer(wxStaticBox(self, -1, _("Selections")),          sizer = wxStaticBoxSizer(wxStaticBox(self, -1,
299                                      _("Selection")),
300                                    wxHORIZONTAL)                                    wxHORIZONTAL)
301          sizer.Add(self.combo_fields, 1, wxEXPAND|wxALL, 4)          sizer.Add(self.combo_fields, 1, wxEXPAND|wxALL, 4)
302          sizer.Add(self.choice_comp, 0, wxALL, 4)          sizer.Add(self.choice_comp, 0, wxALL, 4)
303          sizer.Add(self.combo_value, 1, wxEXPAND|wxALL, 4)          sizer.Add(self.combo_value, 1, wxEXPAND|wxALL, 4)
304          sizer.Add(self.choice_action, 0, wxALL, 4)          sizer.Add(self.choice_action, 0, wxALL, 4)
305          sizer.Add(button_query, 0, wxALL, 4)          sizer.Add(button_query, 0, wxALL | wxALIGN_CENTER_VERTICAL, 4)
306          sizer.Add(40, 20, 0, wxALL, 4)          sizer.Add(40, 20, 0, wxALL, 4)
307          sizer.Add(button_saveas, 0, wxALL, 4)          sizer.Add(button_saveas, 0, wxALL | wxALIGN_CENTER_VERTICAL, 4)
308    
309          topBox.Add(sizer, 0, wxEXPAND|wxALL, 4)          topBox.Add(sizer, 0, wxEXPAND|wxALL, 4)
310          topBox.Add(self.grid, 1, wxEXPAND|wxALL, 0)          topBox.Add(self.grid, 1, wxEXPAND|wxALL, 0)
# Line 312  class LayerTableFrame(TableFrame): Line 314  class LayerTableFrame(TableFrame):
314          topBox.Fit(self)          topBox.Fit(self)
315          topBox.SetSizeHints(self)          topBox.SetSizeHints(self)
316    
317            self.grid.SetFocus()
318          EVT_BUTTON(self, ID_QUERY, self.OnQuery)          EVT_BUTTON(self, ID_QUERY, self.OnQuery)
319          EVT_BUTTON(self, ID_SAVEAS, self.OnSaveAs)          EVT_BUTTON(self, ID_EXPORT, self.OnSaveAs)
320            EVT_KEY_DOWN(self.grid, self.OnKeyDown)
321    
322        def OnKeyDown(self, event):
323            """Catch query key from grid"""
324            if event.AltDown() and event.GetKeyCode() == ord(QUERY_KEY):
325                self.combo_fields.SetFocus()
326                self.combo_fields.refocus = True
327            else:
328                event.Skip()
329    
330    
331      def OnQuery(self, event):      def OnQuery(self, event):
332          wxBeginBusyCursor()          wxBeginBusyCursor()
# Line 348  class LayerTableFrame(TableFrame): Line 361  class LayerTableFrame(TableFrame):
361              self.grid.ClearSelection()              self.grid.ClearSelection()
362          elif choice == 1:          elif choice == 1:
363              # Refine Selection              # Refine Selection
364              sel = dict([(i, 0) for i in self.parent.SelectedShapes()])              sel = self.get_selected()
365              self.grid.ClearSelection()              self.grid.ClearSelection()
366              ids = filter(sel.has_key, ids)              ids = filter(sel.has_key, ids)
367          elif choice == 2:          elif choice == 2:
# Line 376  class LayerTableFrame(TableFrame): Line 389  class LayerTableFrame(TableFrame):
389          wxEndBusyCursor()          wxEndBusyCursor()
390                    
391      def OnSaveAs(self, event):      def OnSaveAs(self, event):
392          dlg = wxFileDialog(self, _("Save Table As"), ".", "",          dlg = wxFileDialog(self, _("Export Table To"), ".", "",
393                             "DBF Files (*.dbf)|*.dbf|" +                             _("DBF Files (*.dbf)|*.dbf|") +
394                             "CSV Files (*.csv)|*.csv|" +                             _("CSV Files (*.csv)|*.csv|") +
395                             "All Files (*.*)|*.*",                             _("All Files (*.*)|*.*"),
396                             wxSAVE|wxOVERWRITE_PROMPT)                             wxSAVE|wxOVERWRITE_PROMPT)
397          if dlg.ShowModal() == wxID_OK:          if dlg.ShowModal() == wxID_OK:
398              pass              filename = dlg.GetPath()
399                                                                                                type = os.path.basename(filename).split('.')[-1:][0]
400          dlg.Destroy()              dlg.Destroy()
401                if type.upper() == "DBF":
402                    table_to_dbf(self.table, filename)
403                elif type.upper() == 'CSV':
404                    table_to_csv(self.table, filename)
405                else:
406                    dlg = wxMessageDialog(None, "Unsupported format: %s" % type,
407                                          "Table Export", wxOK|wxICON_WARNING)
408                    dlg.ShowModal()
409                    dlg.Destroy()
410            else:
411                dlg.Destroy()
412    
413        def OnClose(self, event):
414            TableFrame.OnClose(self, event)
415    
416        def get_selected(self):
417            """Return a dictionary of the selected rows.
418            
419            The dictionary has sthe indexes as keys."""
420            return dict([(i, 0) for i in self.grid.GetSelectedRows()])
421    
422    class LayerTableFrame(QueryTableFrame):
423    
424        """Frame that displays a layer table in a grid view
425    
426        A LayerTableFrame is a QueryTableFrame whose selection is connected to the
427        selected object in a map.
428        """
429    
430        def __init__(self, parent, name, title, layer, table):
431            QueryTableFrame.__init__(self, parent, name, title, table)
432            self.layer = layer
433            self.grid.Subscribe(ROW_SELECTED, self.rows_selected)
434            self.parent.Subscribe(SHAPES_SELECTED, self.select_shapes)
435    
436            # if there is already a selection present, update the grid
437            # accordingly
438            sel = self.get_selected().keys()
439            for i in sel:
440                self.grid.SelectRow(i, True)
441    
442      def make_grid(self, table):      def make_grid(self, table):
443          """Override the derived method to return a LayerTableGrid.          """Override the derived method to return a LayerTableGrid.
444          """          """
445          return LayerTableGrid(self, table)          return LayerTableGrid(self, table)
446    
447        def get_selected(self):
448            """Override the derived method to return a dictionary of the selected
449            rows.
450            """
451            return dict([(i, 0) for i in self.parent.SelectedShapes()])
452    
453      def OnClose(self, event):      def OnClose(self, event):
454            """Override the derived method to first unsubscribed."""
455          self.parent.Unsubscribe(SHAPES_SELECTED, self.select_shapes)          self.parent.Unsubscribe(SHAPES_SELECTED, self.select_shapes)
456          TableFrame.OnClose(self, event)          QueryTableFrame.OnClose(self, event)
457    
458      def select_shapes(self, layer, shapes):      def select_shapes(self, layer, shapes):
459          """Subscribed to the SHAPES_SELECTED message.          """Subscribed to the SHAPES_SELECTED message.
# Line 404  class LayerTableFrame(TableFrame): Line 464  class LayerTableFrame(TableFrame):
464          self.grid.select_shapes(layer, shapes)          self.grid.select_shapes(layer, shapes)
465    
466      def rows_selected(self, rows):      def rows_selected(self, rows):
467            """Return the selected rows of the layer as they are returned
468            by Layer.SelectShapes().
469            """
470          if self.layer is not None:          if self.layer is not None:
471              self.parent.SelectShapes(self.layer, rows)              self.parent.SelectShapes(self.layer, rows)
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