def test_single_row_copy_with_zero(self, bokeh_model_page):
data = {'x': [1,2,3,4], 'y': [0, 0, 0, 0], 'd': ['foo', 'bar', 'baz', 'quux']}
source = ColumnDataSource(data)
table = DataTable(columns=[
TableColumn(field="x", title="x"),
TableColumn(field="y", title="y"),
TableColumn(field="d", title="d"),
], source=source)
text_input = TextAreaInput(css_classes=["foo"])
text_input.js_on_change('value', CustomJS(code=RECORD("value", "cb_obj.value")))
page = bokeh_model_page(column(table, text_input))
# select the third row
row = get_table_row(page.driver, 2)
row.click()
enter_text_in_element(page.driver, row, Keys.INSERT, mod=Keys.CONTROL, click=0, enter=False)
input_el = page.driver.find_element_by_css_selector('.foo')
enter_text_in_element(page.driver, input_el, Keys.INSERT, mod=Keys.SHIFT, enter=False)
#enter_text_in_element(page.driver, input_el, "")
sleep(0.5)
results = page.results
assert results['value'] == '1\t2\t0\tbar\n'
assert page.has_no_console_errors()
from bokeh.io import show
from bokeh.models import CustomJS, TextAreaInput
text_area_input = TextAreaInput(value="default", rows=6, title="Label:")
text_area_input.js_on_change(
"value",
CustomJS(code="""
console.log('text_area_input: value=' + this.value, this.toString())
"""))
show(text_area_input)
