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export class CdTableSelection {
private _selected: any[] = [];
hasMultiSelection: boolean;
hasSingleSelection: boolean;
hasSelection: boolean;
constructor(rows?: any[]) {
if (rows) {
this._selected = rows;
}
this.update();
}
/**
* Recalculate the variables based on the current number
* of selected rows.
*/
private update() {
this.hasSelection = this._selected.length > 0;
this.hasSingleSelection = this._selected.length === 1;
this.hasMultiSelection = this._selected.length > 1;
}
set selected(selection: any[]) {
this._selected = selection;
this.update();
}
get selected() {
return this._selected;
}
add(row: any) {
this._selected.push(row);
this.update();
}
/**
* Get the first selected row.
* @return {any | null}
*/
first() {
return this.hasSelection ? this._selected[0] : null;
}
}
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