@ng-select/ng-select/esm2022/lib/selection-model.mjs

Angular ng-select - All in One UI Select, Multiselect and Autocomplete

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;IACxC,OAAO,IAAI,qBAAqB,EAAE,CAAC;AACvC,CAAC;AASD,MAAM,OAAO,qBAAqB;IAAlC;QACY,cAAS,GAAe,EAAE,CAAC;IAwEvC,CAAC;IAtEG,IAAI,KAAK;QACL,OAAO,IAAI,CAAC,SAAS,CAAC;IAC1B,CAAC;IAED,MAAM,CAAC,IAAc,EAAE,QAAiB,EAAE,YAAqB;QAC3D,IAAI,CAAC,QAAQ,GAAG,IAAI,CAAC;QACrB,IAAI,CAAC,IAAI,CAAC,QAAQ,IAAI,CAAC,CAAC,QAAQ,IAAI,YAAY,CAAC,EAAE,CAAC;YAChD,IAAI,CAAC,SAAS,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC;QAC9B,CAAC;QACD,IAAI,QAAQ,EAAE,CAAC;YACX,IAAI,IAAI,CAAC,MAAM,EAAE,CAAC;gBACd,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,CAAC,CAAC,CAAC,QAAQ,CAAC,CAAC,MAAM,CAAC;gBAC1E,IAAI,CAAC,MAAM,CAAC,QAAQ,GAAG,aAAa,KAAK,aAAa,CAAC;YAC3D,CAAC;iBAAM,IAAI,IAAI,CAAC,QAAQ,EAAE,CAAC;gBACvB,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;oBAC7C,IAAI,CAAC,SAAS,GAAG,CAAC,GAAG,IAAI,CAAC,SAAS,CAAC,MAAM,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,MAAM,KAAK,IAAI,CAAC,EAAE,IAAI,CAAC,CAAA;gBAC7E,CAAC;qBAAM,CAAC;oBACJ,IAAI,CAAC,SAAS,GAAG,CAAC,GAAG,IAAI,CAAC,SAAS,EAAE,GAAG,IAAI,CAAC,QAAQ,CAAC,MAAM,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC,QAAQ,CAAC,CAAC,CAAC;gBACpF,CAAC;YACL,CAAC;QACL,CAAC;IACL,CAAC;IAED,QAAQ,CAAC,IAAc,EAAE,QAAiB;QACtC,IAAI,CAAC,SAAS,GAAG,IAAI,CAAC,SAAS,CAAC,MAAM,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC,KAAK,IAAI,CAAC,CAAC;QACxD,IAAI,CAAC,QAAQ,GAAG,KAAK,CAAC;QACtB,IAAI,QAAQ,EAAE,CAAC;YACX,IAAI,IAAI,CAAC,MAAM,IAAI,IAAI,CAAC,MAAM,CAAC,QAAQ,EAAE,CAAC;gBACtC,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,CAAC,CAAC,KAAK,IAAI,IAAI,CAAC,CAAC,CAAC,QAAQ,CAAC,CAAC,CAAC;gBACxE,IAAI,CAAC,MAAM,CAAC,QAAQ,GAAG,KAAK,CAAC;YACjC,CAAC;iBAAM,IAAI,IAAI,CAAC,QAAQ,EAAE,CAAC;gBACvB,IAAI,CAAC,yBAAyB,CAAC,IAAI,CAAC,QAAQ,EAAE,KAAK,CAAC,CAAC;gBACrD,IAAI,CAAC,eAAe,CAAC,IAAI,CAAC,CAAC;YAC/B,CAAC;QACL,CAAC;IACL,CAAC;IAED,KAAK,CAAC,YAAqB;QACvB,IAAI,CAAC,SAAS,GAAG,YAAY,CAAC,CAAC,CAAC,IAAI,CAAC,SAAS,CAAC,MAAM,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,QAAQ,CAAC,CAAC,CAAC,CAAC,EAAE,CAAC;IAChF,CAAC;IAEO,yBAAyB,CAAC,QAAoB,EAAE,QAAiB;QACrE,KAAK,MAAM,KAAK,IAAI,QAAQ,EAAE,CAAC;YAC3B,IAAI,KAAK,CAAC,QAAQ,EAAE,CAAC;gBACjB,SAAS;YACb,CAAC;YACD,KAAK,CAAC,QAAQ,GAAG,QAAQ,CAAC;QAC9B,CAAC;IACL,CAAC;IAEO,eAAe,CAAC,MAAgB;QACpC,IAAI,CAAC,SAAS,GAAG;YACb,GAAG,IAAI,CAAC,SAAS,CAAC,MAAM,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,MAAM,KAAK,MAAM,CAAC;YAClD,GAAG,MAAM,CAAC,QAAQ,CAAC,MAAM,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,MAAM,KAAK,MAAM,IAAI,CAAC,CAAC,QAAQ,IAAI,CAAC,CAAC,QAAQ,CAAC;SAClF,CAAC;IACN,CAAC;IAEO,aAAa,CAAC,MAAgB;QAClC,IAAI,CAAC,SAAS,GAAG,IAAI,CAAC,SAAS,CAAC,MAAM,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC,KAAK,MAAM,CAAC,CAAA;IAC7D,CAAC;IAEO,eAAe,CAAC,IAAc;QAClC,OAAO,IAAI,CAAC,QAAQ,CAAC,KAAK,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC,CAAC,CAAC,QAAQ,IAAI,CAAC,CAAC,QAAQ,CAAC,CAAC;IAC/D,CAAC;CACJ","sourcesContent":["import { NgOption } from './ng-select.types';\n\nexport type SelectionModelFactory = () => SelectionModel;\n\nexport function DefaultSelectionModelFactory() {\n    return new DefaultSelectionModel();\n}\n\nexport interface SelectionModel {\n    value: NgOption[];\n    select(item: NgOption, multiple: boolean, selectableGroupAsModel: boolean);\n    unselect(item: NgOption, multiple: boolean);\n    clear(keepDisabled: boolean);\n}\n\nexport class DefaultSelectionModel implements SelectionModel {\n    private _selected: NgOption[] = [];\n\n    get value(): NgOption[] {\n        return this._selected;\n    }\n\n    select(item: NgOption, multiple: boolean, groupAsModel: boolean) {\n        item.selected = true;\n        if (!item.children || (!multiple && groupAsModel)) {\n            this._selected.push(item);\n        }\n        if (multiple) {\n            if (item.parent) {\n                const childrenCount = item.parent.children.length;\n                const selectedCount = item.parent.children.filter(x => x.selected).length;\n                item.parent.selected = childrenCount === selectedCount;\n            } else if (item.children) {\n                this._setChildrenSelectedState(item.children, true);\n                this._removeChildren(item);\n                if (groupAsModel && this._activeChildren(item)) {\n                    this._selected = [...this._selected.filter(x => x.parent !== item), item]\n                } else {\n                    this._selected = [...this._selected, ...item.children.filter(x => !x.disabled)];\n                }\n            }\n        }\n    }\n\n    unselect(item: NgOption, multiple: boolean) {\n        this._selected = this._selected.filter(x => x !== item);\n        item.selected = false;\n        if (multiple) {\n            if (item.parent && item.parent.selected) {\n                const children = item.parent.children;\n                this._removeParent(item.parent);\n                this._removeChildren(item.parent);\n                this._selected.push(...children.filter(x => x !== item && !x.disabled));\n                item.parent.selected = false;\n            } else if (item.children) {\n                this._setChildrenSelectedState(item.children, false);\n                this._removeChildren(item);\n            }\n        }\n    }\n\n    clear(keepDisabled: boolean) {\n        this._selected = keepDisabled ? this._selected.filter(x => x.disabled) : [];\n    }\n\n    private _setChildrenSelectedState(children: NgOption[], selected: boolean) {\n        for (const child of children) {\n            if (child.disabled) {\n                continue;\n            }\n            child.selected = selected;\n        }\n    }\n\n    private _removeChildren(parent: NgOption) {\n        this._selected = [\n            ...this._selected.filter(x => x.parent !== parent),\n            ...parent.children.filter(x => x.parent === parent && x.disabled && x.selected)\n        ];\n    }\n\n    private _removeParent(parent: NgOption) {\n        this._selected = this._selected.filter(x => x !== parent)\n    }\n\n    private _activeChildren(item: NgOption): boolean {\n        return item.children.every(x => !x.disabled || x.selected);\n    }\n}\n"]}