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#------------------------------------------------------------------------------
# Copyright (c) 2013-2025, Nucleic Development Team.
#
# Distributed under the terms of the Modified BSD License.
#
# The full license is in the file LICENSE, distributed with this software.
#------------------------------------------------------------------------------
""" An example of using Looper to generate widgets from an iterable.
<< autodoc-me >>
"""
from __future__ import print_function
from enaml.core.api import Looper
from enaml.layout.api import vbox, hbox, align
from enaml.widgets.api import (
Window, Container, Label, Field, PushButton, ScrollArea, Slider, Html,
)
enamldef Main(Window):
Container:
constraints = [
vbox(
hbox(label, field),
button,
scroller,
),
align('v_center', label, field),
]
Label: label:
text = 'Items'
Field: field:
text = 'foo bar baz spam ham'
PushButton: button:
text = 'Print Items'
clicked ::
for item in looper.items:
print(item)
ScrollArea: scroller:
Container:
# Note that a Looper expects to iterate over unique values.
# Passing duplicate values can lead to crashes.
Looper: looper:
iterable << field.text.split()
Field:
placeholder = 'Field %d: %s' % (loop.index, loop.item)
PushButton:
text = 'pb %s' % loop.index
Slider:
value :: print('Slider %d changed' % loop.index)
Html:
source << '<h1><center>%s</center></h1>' % loop.item
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