8000 Tabulator: allow to set a maximum number of selectable rows by maximlt · Pull Request #2791 · holoviz/panel · GitHub
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Tabulator: allow to set a maximum number of selectable rows #2791

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Merged
philippjfr merged 3 commits into from
Oct 6, 2021
Merged

Tabulator: allow to set a maximum number of selectable rows #2791

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18a7fa7
allow to set the maximum number of rows selectable
maximlt Sep 28, 2021
6f58d75
update docs
maximlt Sep 28, 2021
4c0f377
clarify docs about pagination
maximlt Sep 28, 2021
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allow to set the maximum number of rows selectable
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@maximlt
maximlt committed Sep 28, 2021
commit 18a7fa7424f4a11b15690411d3fe3122889be17e
12 changes: 10 additions & 2 deletions panel/models/tabulator.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -251,7 +251,9 @@ export class DataTabulatorView extends PanelHTMLBoxView {

getConfiguration(): any {
const pagination = this.model.pagination == 'remote' ? 'local': (this.model.pagination || false)
let selectable = !(typeof this.model.select_mode === 'boolean')
// selectable is true if select_mode is a string (one of 'checkbox', 'checkbox-single' and
// 'toggle'). False if it's a boolean or a number (integer on the python side).
let selectable = (typeof this.model.select_mode) === 'string'
const that = this
let configuration = {
...this.model.configuration,
Expand Down Expand Up @@ -587,7 +589,7 @@ export class DataTabulatorView extends PanelHTMLBoxView {
// Update model

rowClicked(e: any, row: any) {
if (this._selection_updating || this._initializing || this.model.select_mode !== true)
if (this._selection_updating || this._initializing || (typeof this.model.select_mode) === 'string' || this.model.select_mode === false)
return
let indices: number[] = []
const selected = this.model.source.selected
Expand All @@ -608,6 +610,12 @@ export class DataTabulatorView extends PanelHTMLBoxView {
indices.push(index)
else
indices.splice(indices.indexOf(index), 1)
// Remove the first selected indices when selectable is an int.
if (typeof this.model.select_mode === 'number') {
while (indices.length > this.model.select_mode) {
indices.shift()
}
}
const filtered = this._filter_selected(indices)
this.tabulator.deselectRow()
this.tabulator.selectRow(filtered)
Expand Down
6 changes: 4 additions & 2 deletions panel/widgets/tables.py
View file 9143
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Original file line number Diff line number Diff line change
Expand Up @@ -732,8 +732,8 @@ class Tabulator(BaseTable):
row_height = param.Integer(default=30, doc="""
The height of each table row.""")

selectable = param.ObjectSelector(
default=True, objects=[True, False, 'checkbox', 'checkbox-single', 'toggle'], doc="""
selectable = param.ClassSelector(
default=True, class_=(bool, str, int), doc="""
Defines the selection mode of the Tabulator.

- True
Expand All @@ -747,6 +747,8 @@ class Tabulator(BaseTable):
Same as 'checkbox' but header does not alllow select/deselect all
- 'toggle'
Selection toggles when clicked
- int
The maximum number of selectable rows.
""")

selectable_rows = param.Callable(default=None, doc="""
Expand Down
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