|
1 #!/usr/bin/env python |
|
2 # -*- coding: utf-8 -*- |
|
3 |
|
4 #This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor |
|
5 #based on the plcopen standard. |
|
6 # |
|
7 #Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD |
|
8 # |
|
9 #See COPYING file for copyrights details. |
|
10 # |
|
11 #This library is free software; you can redistribute it and/or |
|
12 #modify it under the terms of the GNU General Public |
|
13 #License as published by the Free Software Foundation; either |
|
14 #version 2.1 of the License, or (at your option) any later version. |
|
15 # |
|
16 #This library is distributed in the hope that it will be useful, |
|
17 #but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
18 #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
19 #General Public License for more details. |
|
20 # |
|
21 #You should have received a copy of the GNU General Public |
|
22 #License along with this library; if not, write to the Free Software |
|
23 #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
|
24 |
|
25 import wx |
|
26 |
|
27 from dialogs.BrowseLocationsDialog import BrowseLocationsDialog |
|
28 |
|
29 class LocationCellControl(wx.PyControl): |
|
30 |
|
31 ''' |
|
32 Custom cell editor control with a text box and a button that launches |
|
33 the BrowseLocationsDialog. |
|
34 ''' |
|
35 def __init__(self, parent): |
|
36 wx.Control.__init__(self, parent) |
|
37 |
|
38 main_sizer = wx.FlexGridSizer(cols=2, hgap=0, rows=1, vgap=0) |
|
39 main_sizer.AddGrowableCol(0) |
|
40 main_sizer.AddGrowableRow(0) |
|
41 |
|
42 # create location text control |
|
43 self.Location = wx.TextCtrl(self, size=wx.Size(0, -1), |
|
44 style=wx.TE_PROCESS_ENTER) |
|
45 self.Location.Bind(wx.EVT_KEY_DOWN, self.OnLocationChar) |
|
46 main_sizer.AddWindow(self.Location, flag=wx.GROW) |
|
47 |
|
48 # create browse button |
|
49 self.BrowseButton = wx.Button(self, label='...', size=wx.Size(30, -1)) |
|
50 self.BrowseButton.Bind(wx.EVT_BUTTON, self.OnBrowseButtonClick) |
|
51 main_sizer.AddWindow(self.BrowseButton, flag=wx.GROW) |
|
52 |
|
53 self.Bind(wx.EVT_SIZE, self.OnSize) |
|
54 |
|
55 self.SetSizer(main_sizer) |
|
56 |
|
57 self.Locations = None |
|
58 self.VarType = None |
|
59 self.Default = False |
|
60 |
|
61 def SetLocations(self, locations): |
|
62 self.Locations = locations |
|
63 |
|
64 def SetVarType(self, vartype): |
|
65 self.VarType = vartype |
|
66 |
|
67 def SetValue(self, value): |
|
68 self.Default = value |
|
69 self.Location.SetValue(value) |
|
70 |
|
71 def GetValue(self): |
|
72 return self.Location.GetValue() |
|
73 |
|
74 def OnSize(self, event): |
|
75 self.Layout() |
|
76 |
|
77 def OnBrowseButtonClick(self, event): |
|
78 # pop up the location browser dialog |
|
79 dialog = BrowseLocationsDialog(self, self.VarType, self.Locations) |
|
80 if dialog.ShowModal() == wx.ID_OK: |
|
81 infos = dialog.GetValues() |
|
82 |
|
83 # set the location |
|
84 self.Location.SetValue(infos["location"]) |
|
85 |
|
86 dialog.Destroy() |
|
87 |
|
88 self.Location.SetFocus() |
|
89 |
|
90 def OnLocationChar(self, event): |
|
91 keycode = event.GetKeyCode() |
|
92 if keycode in [wx.WXK_RETURN, wx.WXK_TAB]: |
|
93 self.Parent.Parent.ProcessEvent(event) |
|
94 elif keycode == wx.WXK_ESCAPE: |
|
95 self.Location.SetValue(self.Default) |
|
96 self.Parent.Parent.CloseEditControl() |
|
97 else: |
|
98 event.Skip() |
|
99 |
|
100 def SetInsertionPoint(self, i): |
|
101 self.Location.SetInsertionPoint(i) |
|
102 |
|
103 def SetFocus(self): |
|
104 self.Location.SetFocus() |
|
105 |
|
106 class LocationCellEditor(wx.grid.PyGridCellEditor): |
|
107 ''' |
|
108 Grid cell editor that uses LocationCellControl to display a browse button. |
|
109 ''' |
|
110 def __init__(self, table, controller): |
|
111 wx.grid.PyGridCellEditor.__init__(self) |
|
112 |
|
113 self.Table = table |
|
114 self.Controller = controller |
|
115 |
|
116 def __del__(self): |
|
117 self.CellControl = None |
|
118 |
|
119 def Create(self, parent, id, evt_handler): |
|
120 self.CellControl = LocationCellControl(parent) |
|
121 self.SetControl(self.CellControl) |
|
122 if evt_handler: |
|
123 self.CellControl.PushEventHandler(evt_handler) |
|
124 |
|
125 def BeginEdit(self, row, col, grid): |
|
126 self.CellControl.Enable() |
|
127 self.CellControl.SetLocations(self.Controller.GetVariableLocationTree()) |
|
128 self.CellControl.SetValue(self.Table.GetValueByName(row, 'Location')) |
|
129 if isinstance(self.CellControl, LocationCellControl): |
|
130 self.CellControl.SetVarType(self.Controller.GetBaseType(self.Table.GetValueByName(row, 'Type'))) |
|
131 self.CellControl.SetFocus() |
|
132 |
|
133 def EndEdit(self, row, col, grid): |
|
134 loc = self.CellControl.GetValue() |
|
135 old_loc = self.Table.GetValueByName(row, 'Location') |
|
136 changed = loc != old_loc |
|
137 if changed: |
|
138 self.Table.SetValueByName(row, 'Location', loc) |
|
139 self.CellControl.Disable() |
|
140 return changed |
|
141 |
|
142 def SetSize(self, rect): |
|
143 self.CellControl.SetDimensions(rect.x + 1, rect.y, |
|
144 rect.width, rect.height, |
|
145 wx.SIZE_ALLOW_MINUS_ONE) |
|
146 |
|
147 def Clone(self): |
|
148 return LocationCellEditor(self.Table, self.Controller) |
|
149 |