@ng-select/ng-select
Version:
Angular ng-select - All in One UI Select, Multiselect and Autocomplete
75 lines • 10.9 kB
JavaScript
export function DefaultSelectionModelFactory() {
return new DefaultSelectionModel();
}
export class DefaultSelectionModel {
constructor() {
this._selected = [];
}
get value() {
return this._selected;
}
select(item, multiple, groupAsModel) {
item.selected = true;
if (!item.children || (!multiple && groupAsModel)) {
this._selected.push(item);
}
if (multiple) {
if (item.parent) {
const childrenCount = item.parent.children.length;
const selectedCount = item.parent.children.filter((x) => x.selected).length;
item.parent.selected = childrenCount === selectedCount;
}
else if (item.children) {
this._setChildrenSelectedState(item.children, true);
this._removeChildren(item);
if (groupAsModel && this._activeChildren(item)) {
this._selected = [...this._selected.filter((x) => x.parent !== item), item];
}
else {
this._selected = [...this._selected, ...item.children.filter((x) => !x.disabled)];
}
}
}
}
unselect(item, multiple) {
this._selected = this._selected.filter((x) => x !== item);
item.selected = false;
if (multiple) {
if (item.parent && item.parent.selected) {
const children = item.parent.children;
this._removeParent(item.parent);
this._removeChildren(item.parent);
this._selected.push(...children.filter((x) => x !== item && !x.disabled));
item.parent.selected = false;
}
else if (item.children) {
this._setChildrenSelectedState(item.children, false);
this._removeChildren(item);
}
}
}
clear(keepDisabled) {
this._selected = keepDisabled ? this._selected.filter((x) => x.disabled) : [];
}
_setChildrenSelectedState(children, selected) {
for (const child of children) {
if (child.disabled) {
continue;
}
child.selected = selected;
}
}
_removeChildren(parent) {
this._selected = [
...this._selected.filter((x) => x.parent !== parent),
...parent.children.filter((x) => x.parent === parent && x.disabled && x.selected),
];
}
_removeParent(parent) {
this._selected = this._selected.filter((x) => x !== parent);
}
_activeChildren(item) {
return item.children.every((x) => !x.disabled || x.selected);
}
}
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"selection-model.js","sourceRoot":"","sources":["../../../../src/ng-select/lib/selection-model.ts"],"names":[],"mappings":"AAIA,MAAM,UAAU,4BAA4B;IAC3C,OAAO,IAAI,qBAAqB,EAAE,CAAC;AACpC,CAAC;AASD,MAAM,OAAO,qBAAqB;IAAlC;QACS,cAAS,GAAe,EAAE,CAAC;IAwEpC,CAAC;IAtEA,IAAI,KAAK;QACR,OAAO,IAAI,CAAC,SAAS,CAAC;IACvB,CAAC;IAED,MAAM,CAAC,IAAc,EAAE,QAAiB,EAAE,YAAqB;QAC9D,IAAI,CAAC,QAAQ,GAAG,IAAI,CAAC;QACrB,IAAI,CAAC,IAAI,CAAC,QAAQ,IAAI,CAAC,CAAC,QAAQ,IAAI,YAAY,CAAC,EAAE,CAAC;YACnD,IAAI,CAAC,SAAS,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC;QAC3B,CAAC;QACD,IAAI,QAAQ,EAAE,CAAC;YACd,IAAI,IAAI,CAAC,MAAM,EAAE,CAAC;gBACjB,MAAM,aAAa,GAAG,IAAI,CAAC,MAAM,CAAC,QAAQ,CAAC,MAAM,CAAC;gBAClD,MAAM,aAAa,GAAG,IAAI,CAAC,MAAM,CAAC,QAAQ,CAAC,MAAM,CAAC,CAAC,CAAC,EAAE,EAAE,CAAC,CAAC,CAAC,QAAQ,CAAC,CAAC,MAAM,CAAC;gBAC5E,IAAI,CAAC,MAAM,CAAC,QAAQ,GAAG,aAAa,KAAK,aAAa,CAAC;YACxD,CAAC;iBAAM,IAAI,IAAI,CAAC,QAAQ,EAAE,CAAC;gBAC1B,IAAI,CAAC,yBAAyB,CAAC,IAAI,CAAC,QAAQ,EAAE,IAAI,CAAC,CAAC;gBACpD,IAAI,CAAC,eAAe,CAAC,IAAI,CAAC,CAAC;gBAC3B,IAAI,YAAY,IAAI,IAAI,CAAC,eAAe,CAAC,IAAI,CAAC,EAAE,CAAC;oBAChD,IAAI,CAAC,SAAS,GAAG,CAAC,GAAG,IAAI,CAAC,SAAS,CAAC,MAAM,CAAC,CAAC,CAAC,EAAE,EAAE,CAAC,CAAC,CAAC,MAAM,KAAK,IAAI,CAAC,EAAE,IAAI,CAAC,CAAC;gBAC7E,CAAC;qBAAM,CAAC;oBACP,IAAI,CAAC,SAAS,GAAG,CAAC,GAAG,IAAI,CAAC,SAAS,EAAE,GAAG,IAAI,CAAC,QAAQ,CAAC,MAAM,CAAC,CAAC,CAAC,EAAE,EAAE,CAAC,CAAC,CAAC,CAAC,QAAQ,CAAC,CAAC,CAAC;gBACnF,CAAC;YACF,CAAC;QACF,CAAC;IACF,CAAC;IAED,QAAQ,CAAC,IAAc,EAAE,QAAiB;QACzC,IAAI,CAAC,SAAS,GAAG,IAAI,CAAC,SAAS,CAAC,MAAM,CAAC,CAAC,CAAC,EAAE,EAAE,CAAC,CAAC,KAAK,IAAI,CAAC,CAAC;QAC1D,IAAI,CAAC,QAAQ,GAAG,KAAK,CAAC;QACtB,IAAI,QAAQ,EAAE,CAAC;YACd,IAAI,IAAI,CAAC,MAAM,IAAI,IAAI,CAAC,MAAM,CAAC,QAAQ,EAAE,CAAC;gBACzC,MAAM,QAAQ,GAAG,IAAI,CAAC,MAAM,CAAC,QAAQ,CAAC;gBACtC,IAAI,CAAC,aAAa,CAAC,IAAI,CAAC,MAAM,CAAC,CAAC;gBAChC,IAAI,CAAC,eAAe,CAAC,IAAI,CAAC,MAAM,CAAC,CAAC;gBAClC,IAAI,CAAC,SAAS,CAAC,IAAI,CAAC,GAAG,QAAQ,CAAC,MAAM,CAAC,CAAC,CAAC,EAAE,EAAE,CAAC,CAAC,KAAK,IAAI,IAAI,CAAC,CAAC,CAAC,QAAQ,CAAC,CAAC,CAAC;gBAC1E,IAAI,CAAC,MAAM,CAAC,QAAQ,GAAG,KAAK,CAAC;YAC9B,CAAC;iBAAM,IAAI,IAAI,CAAC,QAAQ,EAAE,CAAC;gBAC1B,IAAI,CAAC,yBAAyB,CAAC,IAAI,CAAC,QAAQ,EAAE,KAAK,CAAC,CAAC;gBACrD,IAAI,CAAC,eAAe,CAAC,IAAI,CAAC,CAAC;YAC5B,CAAC;QACF,CAAC;IACF,CAAC;IAED,KAAK,CAAC,YAAqB;QAC1B,IAAI,CAAC,SAAS,GAAG,YAAY,CAAC,CAAC,CAAC,IAAI,CAAC,SAAS,CAAC,MAAM,CAAC,CAAC,CAAC,EAAE,EAAE,CAAC,CAAC,CAAC,QAAQ,CAAC,CAAC,CAAC,CAAC,EAAE,CAAC;IAC/E,CAAC;IAEO,yBAAyB,CAAC,QAAoB,EAAE,QAAiB;QACxE,KAAK,MAAM,KAAK,IAAI,QAAQ,EAAE,CAAC;YAC9B,IAAI,KAAK,CAAC,QAAQ,EAAE,CAAC;gBACpB,SAAS;YACV,CAAC;YACD,KAAK,CAAC,QAAQ,GAAG,QAAQ,CAAC;QAC3B,CAAC;IACF,CAAC;IAEO,eAAe,CAAC,MAAgB;QACvC,IAAI,CAAC,SAAS,GAAG;YAChB,GAAG,IAAI,CAAC,SAAS,CAAC,MAAM,CAAC,CAAC,CAAC,EAAE,EAAE,CAAC,CAAC,CAAC,MAAM,KAAK,MAAM,CAAC;YACpD,GAAG,MAAM,CAAC,QAAQ,CAAC,MAAM,CAAC,CAAC,CAAC,EAAE,EAAE,CAAC,CAAC,CAAC,MAAM,KAAK,MAAM,IAAI,CAAC,CAAC,QAAQ,IAAI,CAAC,CAAC,QAAQ,CAAC;SACjF,CAAC;IACH,CAAC;IAEO,aAAa,CAAC,MAAgB;QACrC,IAAI,CAAC,SAAS,GAAG,IAAI,CAAC,SAAS,CAAC,MAAM,CAAC,CAAC,CAAC,EAAE,EAAE,CAAC,CAAC,KAAK,MAAM,CAAC,CAAC;IAC7D,CAAC;IAEO,eAAe,CAAC,IAAc;QACrC,OAAO,IAAI,CAAC,QAAQ,CAAC,KAAK,CAAC,CAAC,CAAC,EAAE,EAAE,CAAC,CAAC,CAAC,CAAC,QAAQ,IAAI,CAAC,CAAC,QAAQ,CAAC,CAAC;IAC9D,CAAC;CACD","sourcesContent":["import { NgOption } from './ng-select.types';\n\nexport type SelectionModelFactory = () => SelectionModel;\n\nexport function DefaultSelectionModelFactory() {\n\treturn new DefaultSelectionModel();\n}\n\nexport interface SelectionModel {\n\tvalue: NgOption[];\n\tselect(item: NgOption, multiple: boolean, selectableGroupAsModel: boolean);\n\tunselect(item: NgOption, multiple: boolean);\n\tclear(keepDisabled: boolean);\n}\n\nexport class DefaultSelectionModel implements SelectionModel {\n\tprivate _selected: NgOption[] = [];\n\n\tget value(): NgOption[] {\n\t\treturn this._selected;\n\t}\n\n\tselect(item: NgOption, multiple: boolean, groupAsModel: boolean) {\n\t\titem.selected = true;\n\t\tif (!item.children || (!multiple && groupAsModel)) {\n\t\t\tthis._selected.push(item);\n\t\t}\n\t\tif (multiple) {\n\t\t\tif (item.parent) {\n\t\t\t\tconst childrenCount = item.parent.children.length;\n\t\t\t\tconst selectedCount = item.parent.children.filter((x) => x.selected).length;\n\t\t\t\titem.parent.selected = childrenCount === selectedCount;\n\t\t\t} else if (item.children) {\n\t\t\t\tthis._setChildrenSelectedState(item.children, true);\n\t\t\t\tthis._removeChildren(item);\n\t\t\t\tif (groupAsModel && this._activeChildren(item)) {\n\t\t\t\t\tthis._selected = [...this._selected.filter((x) => x.parent !== item), item];\n\t\t\t\t} else {\n\t\t\t\t\tthis._selected = [...this._selected, ...item.children.filter((x) => !x.disabled)];\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\tunselect(item: NgOption, multiple: boolean) {\n\t\tthis._selected = this._selected.filter((x) => x !== item);\n\t\titem.selected = false;\n\t\tif (multiple) {\n\t\t\tif (item.parent && item.parent.selected) {\n\t\t\t\tconst children = item.parent.children;\n\t\t\t\tthis._removeParent(item.parent);\n\t\t\t\tthis._removeChildren(item.parent);\n\t\t\t\tthis._selected.push(...children.filter((x) => x !== item && !x.disabled));\n\t\t\t\titem.parent.selected = false;\n\t\t\t} else if (item.children) {\n\t\t\t\tthis._setChildrenSelectedState(item.children, false);\n\t\t\t\tthis._removeChildren(item);\n\t\t\t}\n\t\t}\n\t}\n\n\tclear(keepDisabled: boolean) {\n\t\tthis._selected = keepDisabled ? this._selected.filter((x) => x.disabled) : [];\n\t}\n\n\tprivate _setChildrenSelectedState(children: NgOption[], selected: boolean) {\n\t\tfor (const child of children) {\n\t\t\tif (child.disabled) {\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tchild.selected = selected;\n\t\t}\n\t}\n\n\tprivate _removeChildren(parent: NgOption) {\n\t\tthis._selected = [\n\t\t\t...this._selected.filter((x) => x.parent !== parent),\n\t\t\t...parent.children.filter((x) => x.parent === parent && x.disabled && x.selected),\n\t\t];\n\t}\n\n\tprivate _removeParent(parent: NgOption) {\n\t\tthis._selected = this._selected.filter((x) => x !== parent);\n\t}\n\n\tprivate _activeChildren(item: NgOption): boolean {\n\t\treturn item.children.every((x) => !x.disabled || x.selected);\n\t}\n}\n"]}