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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
| """ | ||
| A table widget for the Invent framework. | ||
| Based on original pre-COVID work by [Nicholas H.Tollervey.](https://ntoll.org/) | ||
| Copyright (c) 2024 Invent contributors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| """ | ||
|
|
||
| from invent.i18n import _ | ||
| from pyscript.web import table, caption, thead, tbody, tr, th, td | ||
| from invent.ui.core import Widget, ListProperty, TextProperty, BooleanProperty | ||
|
|
||
|
|
||
| class Table(Widget): | ||
| """ | ||
| A table widget for displaying tabular data. | ||
| """ | ||
|
|
||
| data = ListProperty( | ||
| _("The text/numeric data to display in the table."), | ||
| default_value=[ | ||
| ["Header 1", "Header 2"], | ||
| ["Row 1, Cell 1", "Row 1, Cell 2"], | ||
| ["Row 2, Cell 1", "Row 2, Cell 2"], | ||
| ], | ||
| ) | ||
|
|
||
| label = TextProperty( | ||
| _("An optional label for the table."), default_value="" | ||
| ) | ||
|
|
||
| column_headers = BooleanProperty( | ||
| _("A flag to indicate if the first row of the table is a header row."), | ||
| default_value=True, | ||
| group="style", | ||
| ) | ||
|
|
||
| row_headers = BooleanProperty( | ||
| _("A flag to indicate if the first item in each row is a header."), | ||
| default_value=False, | ||
| group="style", | ||
| ) | ||
|
|
||
| @classmethod | ||
| def icon(cls): | ||
| return '<svg xmlns="http://www.w3.org/2000/svg" width="256" height="256" viewBox="0 0 256 256"><path fill="currentColor" d="M224 48H32a8 8 0 0 0-8 8v136a16 16 0 0 0 16 16h176a16 16 0 0 0 16-16V56a8 8 0 0 0-8-8M40 112h40v32H40Zm56 0h120v32H96Zm120-48v32H40V64ZM40 160h40v32H40Zm176 32H96v-32h120z"/></svg>' # noqa | ||
|
|
||
| def _tabulate(self): | ||
| """ | ||
| Convert the data into a table, given the current settings. | ||
| """ | ||
| # Reset the table in the DOM. | ||
| self._table_head._dom_element.replaceChildren() | ||
| self._table_body._dom_element.replaceChildren() | ||
| # If there's no data, there's nothing to do. | ||
| if self.data: | ||
| temp_data = self.data[:] | ||
| # If the first row contains the column headers, use it as such. | ||
| if self.column_headers: | ||
| self._table_head.append( | ||
| tr(*[th(header) for header in temp_data[0]]) | ||
| ) | ||
| temp_data = temp_data[1:] | ||
| # If the first item in each row is a header, use it as such. | ||
| if self.row_headers: | ||
| self._table_body.append( | ||
| [ | ||
| tr(th(row[0]), *[td(cell) for cell in row[1:]]) | ||
| for row in temp_data | ||
| ] | ||
| ) | ||
| else: | ||
| self._table_body.append( | ||
| [tr(*[td(cell) for cell in row]) for row in temp_data] | ||
| ) | ||
|
|
||
|
|
||
| def on_data_changed(self): | ||
| self._tabulate() | ||
|
|
||
| def on_column_headers_changed(self): | ||
| self._tabulate() | ||
|
|
||
| def on_row_headers_changed(self): | ||
| self._tabulate() | ||
|
|
||
| def on_label_changed(self): | ||
| self._caption.text = self.label | ||
|
|
||
| def render(self): | ||
| self._caption = caption(self.label) | ||
| self._table_head = thead() | ||
| self._table_body = tbody() | ||
|
|
||
| return table( | ||
| self._caption, | ||
| self._table_head, | ||
| self._table_body, | ||
| id=self.id, | ||
| ) |