ng-select
Version:
Select component for angular.
376 lines • 24.5 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
import { Option } from './option';
import { Diacritics } from './diacritics';
export class OptionList {
/**
* @param {?} options
*/
constructor(options) {
/* Consider using these for performance improvement. */
// private _selection: Array<Option>;
// private _filtered: Array<Option>;
// private _value: Array<string>;
this._highlightedOption = null;
if (typeof options === 'undefined' || options === null) {
options = [];
}
this._options = options.map((/**
* @param {?} option
* @return {?}
*/
(option) => {
/** @type {?} */
let o = new Option(option);
if (option.disabled) {
o.disabled = true;
}
return o;
}));
this._hasShown = this._options.length > 0;
this.highlight();
}
/**
* @return {?}
*/
get hasShown() {
return this._hasShown;
}
/**
* @return {?}
*/
get hasSelected() {
return this._hasSelected;
}
/**
* Options. *
* @return {?}
*/
get options() {
return this._options;
}
/**
* @param {?} value
* @return {?}
*/
getOptionsByValue(value) {
return this.options.filter((/**
* @param {?} option
* @return {?}
*/
(option) => {
return option.value === value;
}));
}
/**
* Value. *
* @return {?}
*/
get value() {
return this.selection.map((/**
* @param {?} option
* @return {?}
*/
option => option.value));
}
/**
* @param {?} v
* @return {?}
*/
set value(v) {
v = typeof v === 'undefined' || v === null ? [] : v;
this.options.forEach((/**
* @param {?} option
* @return {?}
*/
(option) => {
option.selected = v.indexOf(option.value) > -1;
}));
this.updateHasSelected();
}
/**
* Selection. *
* @return {?}
*/
get selection() {
return this.options.filter((/**
* @param {?} option
* @return {?}
*/
option => option.selected));
}
/**
* @param {?} option
* @param {?} multiple
* @return {?}
*/
select(option, multiple) {
if (!multiple) {
this.clearSelection();
}
option.selected = true;
this.updateHasSelected();
}
/**
* @param {?} option
* @return {?}
*/
deselect(option) {
option.selected = false;
this.updateHasSelected();
}
/**
* @return {?}
*/
clearSelection() {
this.options.forEach((/**
* @param {?} option
* @return {?}
*/
(option) => {
option.selected = false;
}));
this._hasSelected = false;
}
/**
* @private
* @return {?}
*/
updateHasSelected() {
this._hasSelected = this.options.some((/**
* @param {?} option
* @return {?}
*/
option => option.selected));
}
/**
* Filter. *
* @return {?}
*/
get filtered() {
return this.options.filter((/**
* @param {?} option
* @return {?}
*/
option => option.shown));
}
/**
* @return {?}
*/
get filteredEnabled() {
return this.options.filter((/**
* @param {?} option
* @return {?}
*/
option => option.shown && !option.disabled));
}
/**
* @param {?} term
* @return {?}
*/
filter(term) {
/** @type {?} */
let anyShown = false;
if (term.trim() === '') {
this.resetFilter();
anyShown = this.options.length > 0;
}
else {
this.options.forEach((/**
* @param {?} option
* @return {?}
*/
(option) => {
/** @type {?} */
let l = Diacritics.strip(option.label).toUpperCase();
/** @type {?} */
let t = Diacritics.strip(term).toUpperCase();
option.shown = l.indexOf(t) > -1;
if (option.shown) {
anyShown = true;
}
}));
}
this.highlight();
this._hasShown = anyShown;
return anyShown;
}
/**
* @private
* @return {?}
*/
resetFilter() {
this.options.forEach((/**
* @param {?} option
* @return {?}
*/
(option) => {
option.shown = true;
}));
}
/**
* Highlight. *
* @return {?}
*/
get highlightedOption() {
return this._highlightedOption;
}
/**
* @return {?}
*/
highlight() {
/** @type {?} */
let option = this.hasShownSelected() ?
this.getFirstShownSelected() : this.getFirstShown();
this.highlightOption(option);
}
/**
* @param {?} option
* @return {?}
*/
highlightOption(option) {
this.clearHighlightedOption();
if (option !== null) {
option.highlighted = true;
this._highlightedOption = option;
}
}
/**
* @return {?}
*/
highlightNextOption() {
/** @type {?} */
let shownEnabledOptions = this.filteredEnabled;
/** @type {?} */
let index = this.getHighlightedIndexFromList(shownEnabledOptions);
if (index > -1 && index < shownEnabledOptions.length - 1) {
this.highlightOption(shownEnabledOptions[index + 1]);
}
}
/**
* @return {?}
*/
highlightPreviousOption() {
/** @type {?} */
let shownEnabledOptions = this.filteredEnabled;
/** @type {?} */
let index = this.getHighlightedIndexFromList(shownEnabledOptions);
if (index > 0) {
this.highlightOption(shownEnabledOptions[index - 1]);
}
}
/**
* @private
* @return {?}
*/
clearHighlightedOption() {
if (this.highlightedOption !== null) {
this.highlightedOption.highlighted = false;
this._highlightedOption = null;
}
}
/**
* @private
* @param {?} options
* @return {?}
*/
getHighlightedIndexFromList(options) {
for (let i = 0; i < options.length; i++) {
if (options[i].highlighted) {
return i;
}
}
return -1;
}
/**
* @return {?}
*/
getHighlightedIndex() {
return this.getHighlightedIndexFromList(this.filtered);
}
/**
* Util. *
* @return {?}
*/
hasShownSelected() {
return this.options.some((/**
* @param {?} option
* @return {?}
*/
(option) => {
return option.shown && option.selected;
}));
}
/**
* @private
* @return {?}
*/
getFirstShown() {
for (let option of this.options) {
if (option.shown) {
return option;
}
}
return null;
}
/**
* @private
* @return {?}
*/
getFirstShownSelected() {
for (let option of this.options) {
if (option.shown && option.selected) {
return option;
}
}
return null;
}
// v0 and v1 are assumed not to be undefined or null.
/**
* @param {?} v0
* @param {?} v1
* @return {?}
*/
static equalValues(v0, v1) {
if (v0.length !== v1.length) {
return false;
}
/** @type {?} */
let a = v0.slice().sort();
/** @type {?} */
let b = v1.slice().sort();
return a.every((/**
* @param {?} v
* @param {?} i
* @return {?}
*/
(v, i) => {
return v === b[i];
}));
}
}
if (false) {
/**
* @type {?}
* @private
*/
OptionList.prototype._options;
/**
* @type {?}
* @private
*/
OptionList.prototype._highlightedOption;
/**
* @type {?}
* @private
*/
OptionList.prototype._hasShown;
/**
* @type {?}
* @private
*/
OptionList.prototype._hasSelected;
}
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{Option} from './option';\nimport {IOption} from './option.interface';\nimport {Diacritics} from './diacritics';\n\nexport class OptionList {\n\n    private _options: Array<Option>;\n\n    /* Consider using these for performance improvement. */\n    // private _selection: Array<Option>;\n    // private _filtered: Array<Option>;\n    // private _value: Array<string>;\n\n    private _highlightedOption: Option = null;\n    private _hasShown: boolean;\n    private _hasSelected: boolean;\n\n    get hasShown(): boolean {\n        return this._hasShown;\n    }\n    get hasSelected(): boolean {\n        return this._hasSelected;\n    }\n\n    constructor(options: Array<IOption>) {\n\n        if (typeof options === 'undefined' || options === null) {\n            options = [];\n        }\n\n        this._options = options.map((option) => {\n            let o: Option = new Option(option);\n            if (option.disabled) {\n                o.disabled = true;\n            }\n            return o;\n        });\n\n        this._hasShown = this._options.length > 0;\n        this.highlight();\n    }\n\n    /** Options. **/\n\n    get options(): Array<Option> {\n        return this._options;\n    }\n\n    getOptionsByValue(value: string): Array<Option> {\n        return this.options.filter((option) => {\n            return option.value === value;\n        });\n    }\n\n    /** Value. **/\n\n    get value(): Array<string> {\n        return this.selection.map(option => option.value);\n    }\n\n    set value(v: Array<string>) {\n        v = typeof v === 'undefined' || v === null ? [] : v;\n\n        this.options.forEach((option) => {\n            option.selected = v.indexOf(option.value) > -1;\n        });\n        this.updateHasSelected();\n    }\n\n    /** Selection. **/\n\n    get selection(): Array<Option> {\n        return this.options.filter(option => option.selected);\n    }\n\n    select(option: Option, multiple: boolean) {\n        if (!multiple) {\n            this.clearSelection();\n        }\n        option.selected = true;\n        this.updateHasSelected();\n    }\n\n    deselect(option: Option) {\n        option.selected = false;\n        this.updateHasSelected();\n    }\n\n    clearSelection() {\n        this.options.forEach((option) => {\n            option.selected = false;\n        });\n        this._hasSelected = false;\n    }\n\n    private updateHasSelected() {\n        this._hasSelected = this.options.some(option => option.selected);\n    }\n\n    /** Filter. **/\n\n    get filtered(): Array<Option> {\n        return this.options.filter(option => option.shown);\n    }\n\n    get filteredEnabled(): Array<Option> {\n        return this.options.filter(option => option.shown && !option.disabled);\n    }\n\n    filter(term: string): boolean {\n        let anyShown: boolean = false;\n\n        if (term.trim() === '') {\n            this.resetFilter();\n            anyShown = this.options.length > 0;\n        }\n        else {\n            this.options.forEach((option) => {\n                let l: string = Diacritics.strip(option.label).toUpperCase();\n                let t: string = Diacritics.strip(term).toUpperCase();\n                option.shown = l.indexOf(t) > -1;\n\n                if (option.shown) {\n                    anyShown = true;\n                }\n            });\n\n        }\n\n        this.highlight();\n        this._hasShown = anyShown;\n\n        return anyShown;\n    }\n\n    private resetFilter() {\n        this.options.forEach((option) => {\n            option.shown = true;\n        });\n    }\n\n    /** Highlight. **/\n\n    get highlightedOption(): Option {\n        return this._highlightedOption;\n    }\n\n    highlight() {\n        let option: Option = this.hasShownSelected() ?\n            this.getFirstShownSelected() : this.getFirstShown();\n        this.highlightOption(option);\n    }\n\n    highlightOption(option: Option) {\n        this.clearHighlightedOption();\n\n        if (option !== null) {\n            option.highlighted = true;\n            this._highlightedOption = option;\n        }\n    }\n\n    highlightNextOption() {\n        let shownEnabledOptions = this.filteredEnabled;\n        let index = this.getHighlightedIndexFromList(shownEnabledOptions);\n\n        if (index > -1 && index < shownEnabledOptions.length - 1) {\n            this.highlightOption(shownEnabledOptions[index + 1]);\n        }\n    }\n\n    highlightPreviousOption() {\n        let shownEnabledOptions = this.filteredEnabled;\n        let index = this.getHighlightedIndexFromList(shownEnabledOptions);\n\n        if (index > 0) {\n            this.highlightOption(shownEnabledOptions[index - 1]);\n        }\n    }\n\n    private clearHighlightedOption() {\n        if (this.highlightedOption !== null) {\n            this.highlightedOption.highlighted = false;\n            this._highlightedOption = null;\n        }\n    }\n\n    private getHighlightedIndexFromList(options: Array<Option>) {\n        for (let i = 0; i < options.length; i++) {\n            if (options[i].highlighted) {\n                return i;\n            }\n        }\n        return -1;\n    }\n\n    getHighlightedIndex() {\n        return this.getHighlightedIndexFromList(this.filtered);\n    }\n\n    /** Util. **/\n\n    hasShownSelected() {\n        return this.options.some((option) => {\n            return option.shown && option.selected;\n        });\n    }\n\n    private getFirstShown(): Option {\n        for (let option of this.options) {\n            if (option.shown) {\n                return option;\n            }\n        }\n        return null;\n    }\n\n    private getFirstShownSelected(): Option {\n        for (let option of this.options) {\n            if (option.shown && option.selected) {\n                return option;\n            }\n        }\n        return null;\n    }\n\n    // v0 and v1 are assumed not to be undefined or null.\n    static equalValues(v0: Array<string>, v1: Array<string>): boolean {\n\n        if (v0.length !== v1.length) {\n            return false;\n        }\n\n        let a: Array<string> = v0.slice().sort();\n        let b: Array<string> = v1.slice().sort();\n\n        return a.every((v, i) => {\n            return v === b[i];\n        });\n    }\n}\n"]}