File: row_table_example.py

package info (click to toggle)
python-pyface 8.0.0-5
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 13,944 kB
  • sloc: python: 54,107; makefile: 82
file content (159 lines) | stat: -rw-r--r-- 3,805 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in LICENSE.txt and may be redistributed only under
# the conditions described in the aforementioned license. The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
#
# Thanks for using Enthought open source!

import logging

from traits.api import Bool, Dict, HasStrictTraits, Instance, Int, Str, List

from pyface.api import ApplicationWindow, GUI, Image, ImageResource
from pyface.ui_traits import PyfaceColor
from pyface.data_view.data_models.api import (
    AttributeDataAccessor, RowTableDataModel
)
from pyface.data_view.api import DataViewWidget, IDataViewWidget
from pyface.data_view.value_types.api import (
    BoolValue, EnumValue, ColorValue, IntValue, TextValue
)

from example_data import (
    any_name, family_name, favorite_color, age, street, city, country
)


logger = logging.getLogger(__name__)


flags = {
    'Canada': ImageResource('ca.png'),
    'UK': ImageResource('gb.png'),
    'USA': ImageResource('us.png'),
}


# The data model

class Address(HasStrictTraits):

    street = Str()

    city = Str()

    country = Str()


class Person(HasStrictTraits):

    name = Str()

    age = Int()

    favorite_color = PyfaceColor()

    contacted = Bool()

    address = Instance(Address, ())


row_header_data = AttributeDataAccessor(
    title='People',
    attr='name',
    value_type=TextValue(),
)

column_data = [
    AttributeDataAccessor(
        attr="age",
        value_type=IntValue(minimum=0),
    ),
    AttributeDataAccessor(
        attr="favorite_color",
        value_type=ColorValue(),
    ),
    AttributeDataAccessor(
        attr="contacted",
        value_type=BoolValue(),
    ),
    AttributeDataAccessor(
        attr="address.street",
        value_type=TextValue(),
    ),
    AttributeDataAccessor(
        attr="address.city",
        value_type=TextValue(),
    ),
    AttributeDataAccessor(
        attr="address.country",
        value_type=EnumValue(
            values=['Canada', 'UK', 'USA'],
            images=flags.get,
        ),
    ),
]


class MainWindow(ApplicationWindow):
    """ The main application window. """

    #: A collection of People.
    data = List(Instance(Person))

    #: The data view widget.
    data_view = Instance(IDataViewWidget)

    def _create_contents(self, parent):
        """ Creates the left hand side or top depending on the style. """
        self.data_view.create(parent)
        return self.data_view.control

    def _data_default(self):
        logger.info("Initializing data")
        people = [
            Person(
                name='%s %s' % (any_name(), family_name()),
                age=age(),
                favorite_color=favorite_color(),
                address=Address(
                    street=street(),
                    city=city(),
                    country=country(),
                ),
            )
            for i in range(10000)
        ]
        logger.info("Data initialized")
        return people

    def _data_view_default(self):
        return DataViewWidget(
            data_model=RowTableDataModel(
                data=self.data,
                row_header_data=row_header_data,
                column_data=column_data
            ),
        )

    def destroy(self):
        self.data_view.destroy()
        super().destroy()


if __name__ == '__main__':
    logging.basicConfig(level=logging.INFO)

    # Create the GUI (this does NOT start the GUI event loop).
    gui = GUI()

    # Create and open the main window.
    window = MainWindow()
    window.open()

    # Start the GUI event loop!
    gui.start_event_loop()
    logger.info("Shutting down")