Thuban/UI/controls.py

# Copyright (c) 2001 by Intevation GmbH
# Authors:
# Bernhard Herzog <[email protected]>
#
# This program is free software under the GPL (>=v2)
# Read the file COPYING coming with Thuban for details.


"""Common Thuban specific control widgets"""

__version__ = "$Revision$"

from wxPython.wx import wxListCtrl, wxLC_REPORT, wxLIST_AUTOSIZE_USEHEADER, \
     EVT_LIST_ITEM_SELECTED


class RecordListCtrl(wxListCtrl):

    """List Control showing a single record from a thuban table"""

    def __init__(self, parent, id):
        wxListCtrl.__init__(self, parent, id, style = wxLC_REPORT)

        self.InsertColumn(0, "Field")
        self.SetColumnWidth(0, wxLIST_AUTOSIZE_USEHEADER)
        self.InsertColumn(1, "Value")
        self.SetColumnWidth(1, wxLIST_AUTOSIZE_USEHEADER)

        # vaues maps row numbers to the corresponding python values
        self.values = {}

    def fill_list(self, table, shape):
        """Fill self with the contents shape's record from table"""
        self.DeleteAllItems()
        values = {}

        if shape is not None:
            num_cols = table.field_count()

            names = []
            for i in range(num_cols):
                type, name, length, decc = table.field_info(i)
                names.append(name)
            record = table.read_record(shape)

            for i in range(len(names)):
                name = names[i]
                value = record[name]
                self.InsertStringItem(i, name)
                self.SetStringItem(i, 1, str(value))
                values[i] = value

        self.values = values

class SelectableRecordListCtrl(RecordListCtrl):

    def __init__(self, parent, id):
        RecordListCtrl.__init__(self, parent, id)

        # selected is the index of the selected record or -1 if none is
        # selected
        self.selected = -1
        EVT_LIST_ITEM_SELECTED(self, self.GetId(), self.OnItemSelected)

    def OnItemSelected(self, event):
        """Event handler. Update the selected instvar"""
        self.selected = event.m_itemIndex

    def GetValue(self):
        """Return the currently selected value. None if no value is selected"""
        if self.selected >= 0:
            return self.values[self.selected]
        else:
            return None
1	bh	50	# Copyright (c) 2001 by Intevation GmbH
2			# Authors:
3			# Bernhard Herzog <[email protected]>
4			#
5			# This program is free software under the GPL (>=v2)
6			# Read the file COPYING coming with Thuban for details.
7
8
9			"""Common Thuban specific control widgets"""
10
11			__version__ = "$Revision$"
12
13			from wxPython.wx import wxListCtrl, wxLC_REPORT, wxLIST_AUTOSIZE_USEHEADER, \
14			EVT_LIST_ITEM_SELECTED
15
16
17			class RecordListCtrl(wxListCtrl):
18
19			"""List Control showing a single record from a thuban table"""
20
21			def __init__(self, parent, id):
22			wxListCtrl.__init__(self, parent, id, style = wxLC_REPORT)
23
24			self.InsertColumn(0, "Field")
25			self.SetColumnWidth(0, wxLIST_AUTOSIZE_USEHEADER)
26			self.InsertColumn(1, "Value")
27			self.SetColumnWidth(1, wxLIST_AUTOSIZE_USEHEADER)
28
29			# vaues maps row numbers to the corresponding python values
30			self.values = {}
31
32			def fill_list(self, table, shape):
33			"""Fill self with the contents shape's record from table"""
34			self.DeleteAllItems()
35			values = {}
36
37			if shape is not None:
38			num_cols = table.field_count()
39
40			names = []
41			for i in range(num_cols):
42			type, name, length, decc = table.field_info(i)
43			names.append(name)
44			record = table.read_record(shape)
45
46			for i in range(len(names)):
47			name = names[i]
48			value = record[name]
49			self.InsertStringItem(i, name)
50			self.SetStringItem(i, 1, str(value))
51			values[i] = value
52
53			self.values = values
54
55			class SelectableRecordListCtrl(RecordListCtrl):
56
57			def __init__(self, parent, id):
58			RecordListCtrl.__init__(self, parent, id)
59
60			# selected is the index of the selected record or -1 if none is
61			# selected
62			self.selected = -1
63			EVT_LIST_ITEM_SELECTED(self, self.GetId(), self.OnItemSelected)
64
65			def OnItemSelected(self, event):
66			"""Event handler. Update the selected instvar"""
67			self.selected = event.m_itemIndex
68
69			def GetValue(self):
70			"""Return the currently selected value. None if no value is selected"""
71			if self.selected >= 0:
72			return self.values[self.selected]
73			else:
74			return None
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