primeng
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JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/core'), require('@angular/common'), require('primeng/api'), require('primeng/dom'), require('primeng/utils'), require('@angular/forms'), require('primeng/ripple')) :
typeof define === 'function' && define.amd ? define('primeng/listbox', ['exports', '@angular/core', '@angular/common', 'primeng/api', 'primeng/dom', 'primeng/utils', '@angular/forms', 'primeng/ripple'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory((global.primeng = global.primeng || {}, global.primeng.listbox = {}), global.ng.core, global.ng.common, global.primeng.api, global.primeng.dom, global.primeng.utils, global.ng.forms, global.primeng.ripple));
}(this, (function (exports, i0, i2, i1, dom, utils, forms, i3) { 'use strict';
function _interopNamespace(e) {
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enumerable: true,
get: function () {
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return Object.freeze(n);
}
var i0__namespace = /*#__PURE__*/_interopNamespace(i0);
var i2__namespace = /*#__PURE__*/_interopNamespace(i2);
var i1__namespace = /*#__PURE__*/_interopNamespace(i1);
var i3__namespace = /*#__PURE__*/_interopNamespace(i3);
/*! *****************************************************************************
Copyright (c) Microsoft Corporation.
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
***************************************************************************** */
/* global Reflect, Promise */
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}
var LISTBOX_VALUE_ACCESSOR = {
provide: forms.NG_VALUE_ACCESSOR,
useExisting: i0.forwardRef(function () { return Listbox; }),
multi: true
};
var Listbox = /** @class */ (function () {
function Listbox(el, cd, filterService, config) {
this.el = el;
this.cd = cd;
this.filterService = filterService;
this.config = config;
this.checkbox = false;
this.filter = false;
this.filterMatchMode = 'contains';
this.metaKeySelection = true;
this.showToggleAll = true;
this.optionGroupChildren = "items";
this.onChange = new i0.EventEmitter();
this.onClick = new i0.EventEmitter();
this.onDblClick = new i0.EventEmitter();
this.onModelChange = function () { };
this.onModelTouched = function () { };
}
Object.defineProperty(Listbox.prototype, "options", {
get: function () {
return this._options;
},
set: function (val) {
this._options = val;
if (this.hasFilter())
this.activateFilter();
},
enumerable: false,
configurable: true
});
Object.defineProperty(Listbox.prototype, "filterValue", {
get: function () {
return this._filterValue;
},
set: function (val) {
this._filterValue = val;
this.activateFilter();
},
enumerable: false,
configurable: true
});
Listbox.prototype.ngOnInit = function () {
var _this = this;
this.translationSubscription = this.config.translationObserver.subscribe(function () {
_this.cd.markForCheck();
});
};
Listbox.prototype.ngAfterContentInit = function () {
var _this = this;
this.templates.forEach(function (item) {
switch (item.getType()) {
case 'item':
_this.itemTemplate = item.template;
break;
case 'group':
_this.groupTemplate = item.template;
break;
case 'header':
_this.headerTemplate = item.template;
break;
case 'footer':
_this.footerTemplate = item.template;
break;
case 'empty':
_this.emptyTemplate = item.template;
break;
case 'emptyfilter':
_this.emptyFilterTemplate = item.template;
break;
default:
_this.itemTemplate = item.template;
break;
}
});
};
Listbox.prototype.getOptionLabel = function (option) {
return this.optionLabel ? utils.ObjectUtils.resolveFieldData(option, this.optionLabel) : (option.label != undefined ? option.label : option);
};
Listbox.prototype.getOptionGroupChildren = function (optionGroup) {
return this.optionGroupChildren ? utils.ObjectUtils.resolveFieldData(optionGroup, this.optionGroupChildren) : optionGroup.items;
};
Listbox.prototype.getOptionGroupLabel = function (optionGroup) {
return this.optionGroupLabel ? utils.ObjectUtils.resolveFieldData(optionGroup, this.optionGroupLabel) : (optionGroup.label != undefined ? optionGroup.label : optionGroup);
};
Listbox.prototype.getOptionValue = function (option) {
return this.optionValue ? utils.ObjectUtils.resolveFieldData(option, this.optionValue) : (this.optionLabel || option.value === undefined ? option : option.value);
};
Listbox.prototype.isOptionDisabled = function (option) {
return this.optionDisabled ? utils.ObjectUtils.resolveFieldData(option, this.optionDisabled) : (option.disabled !== undefined ? option.disabled : false);
};
Listbox.prototype.writeValue = function (value) {
this.value = value;
this.cd.markForCheck();
};
Listbox.prototype.registerOnChange = function (fn) {
this.onModelChange = fn;
};
Listbox.prototype.registerOnTouched = function (fn) {
this.onModelTouched = fn;
};
Listbox.prototype.setDisabledState = function (val) {
this.disabled = val;
this.cd.markForCheck();
};
Listbox.prototype.onOptionClick = function (event, option) {
if (this.disabled || this.isOptionDisabled(option) || this.readonly) {
return;
}
if (this.multiple) {
if (this.checkbox)
this.onOptionClickCheckbox(event, option);
else
this.onOptionClickMultiple(event, option);
}
else {
this.onOptionClickSingle(event, option);
}
this.onClick.emit({
originalEvent: event,
option: option,
value: this.value
});
this.optionTouched = false;
};
Listbox.prototype.onOptionTouchEnd = function (option) {
if (this.disabled || this.isOptionDisabled(option) || this.readonly) {
return;
}
this.optionTouched = true;
};
Listbox.prototype.onOptionDoubleClick = function (event, option) {
if (this.disabled || this.isOptionDisabled(option) || this.readonly) {
return;
}
this.onDblClick.emit({
originalEvent: event,
option: option,
value: this.value
});
};
Listbox.prototype.onOptionClickSingle = function (event, option) {
var selected = this.isSelected(option);
var valueChanged = false;
var metaSelection = this.optionTouched ? false : this.metaKeySelection;
if (metaSelection) {
var metaKey = (event.metaKey || event.ctrlKey);
if (selected) {
if (metaKey) {
this.value = null;
valueChanged = true;
}
}
else {
this.value = this.getOptionValue(option);
valueChanged = true;
}
}
else {
this.value = selected ? null : this.getOptionValue(option);
valueChanged = true;
}
if (valueChanged) {
this.onModelChange(this.value);
this.onChange.emit({
originalEvent: event,
value: this.value
});
}
};
Listbox.prototype.onOptionClickMultiple = function (event, option) {
var selected = this.isSelected(option);
var valueChanged = false;
var metaSelection = this.optionTouched ? false : this.metaKeySelection;
if (metaSelection) {
var metaKey = (event.metaKey || event.ctrlKey);
if (selected) {
if (metaKey) {
this.removeOption(option);
}
else {
this.value = [this.getOptionValue(option)];
}
valueChanged = true;
}
else {
this.value = (metaKey) ? this.value || [] : [];
this.value = __spreadArray(__spreadArray([], __read(this.value)), [this.getOptionValue(option)]);
valueChanged = true;
}
}
else {
if (selected) {
this.removeOption(option);
}
else {
this.value = __spreadArray(__spreadArray([], __read(this.value || [])), [this.getOptionValue(option)]);
}
valueChanged = true;
}
if (valueChanged) {
this.onModelChange(this.value);
this.onChange.emit({
originalEvent: event,
value: this.value
});
}
};
Listbox.prototype.onOptionClickCheckbox = function (event, option) {
if (this.disabled || this.readonly) {
return;
}
var selected = this.isSelected(option);
if (selected) {
this.removeOption(option);
}
else {
this.value = this.value ? this.value : [];
this.value = __spreadArray(__spreadArray([], __read(this.value)), [this.getOptionValue(option)]);
}
this.onModelChange(this.value);
this.onChange.emit({
originalEvent: event,
value: this.value
});
};
Listbox.prototype.removeOption = function (option) {
var _this = this;
this.value = this.value.filter(function (val) { return !utils.ObjectUtils.equals(val, _this.getOptionValue(option), _this.dataKey); });
};
Listbox.prototype.isSelected = function (option) {
var e_1, _a;
var selected = false;
var optionValue = this.getOptionValue(option);
if (this.multiple) {
if (this.value) {
try {
for (var _b = __values(this.value), _c = _b.next(); !_c.done; _c = _b.next()) {
var val = _c.value;
if (utils.ObjectUtils.equals(val, optionValue, this.dataKey)) {
selected = true;
break;
}
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
}
finally { if (e_1) throw e_1.error; }
}
}
}
else {
selected = utils.ObjectUtils.equals(this.value, optionValue, this.dataKey);
}
return selected;
};
Object.defineProperty(Listbox.prototype, "allChecked", {
get: function () {
var e_2, _a, e_3, _b;
var optionsToRender = this.optionsToRender;
if (!optionsToRender || optionsToRender.length === 0) {
return false;
}
else {
var selectedDisabledItemsLength = 0;
var unselectedDisabledItemsLength = 0;
var selectedEnabledItemsLength = 0;
var visibleOptionsLength = this.group ? 0 : this.optionsToRender.length;
try {
for (var optionsToRender_1 = __values(optionsToRender), optionsToRender_1_1 = optionsToRender_1.next(); !optionsToRender_1_1.done; optionsToRender_1_1 = optionsToRender_1.next()) {
var option = optionsToRender_1_1.value;
if (!this.group) {
var disabled = this.isOptionDisabled(option);
var selected = this.isSelected(option);
if (disabled) {
if (selected)
selectedDisabledItemsLength++;
else
unselectedDisabledItemsLength++;
}
else {
if (selected)
selectedEnabledItemsLength++;
else
return false;
}
}
else {
try {
for (var _c = (e_3 = void 0, __values(this.getOptionGroupChildren(option))), _d = _c.next(); !_d.done; _d = _c.next()) {
var opt = _d.value;
var disabled = this.isOptionDisabled(opt);
var selected = this.isSelected(opt);
if (disabled) {
if (selected)
selectedDisabledItemsLength++;
else
unselectedDisabledItemsLength++;
}
else {
if (selected)
selectedEnabledItemsLength++;
else {
return false;
}
}
visibleOptionsLength++;
}
}
catch (e_3_1) { e_3 = { error: e_3_1 }; }
finally {
try {
if (_d && !_d.done && (_b = _c.return)) _b.call(_c);
}
finally { if (e_3) throw e_3.error; }
}
}
}
}
catch (e_2_1) { e_2 = { error: e_2_1 }; }
finally {
try {
if (optionsToRender_1_1 && !optionsToRender_1_1.done && (_a = optionsToRender_1.return)) _a.call(optionsToRender_1);
}
finally { if (e_2) throw e_2.error; }
}
return (visibleOptionsLength === selectedDisabledItemsLength
|| visibleOptionsLength === selectedEnabledItemsLength
|| selectedEnabledItemsLength && visibleOptionsLength === (selectedEnabledItemsLength + unselectedDisabledItemsLength + selectedDisabledItemsLength));
}
},
enumerable: false,
configurable: true
});
Object.defineProperty(Listbox.prototype, "optionsToRender", {
get: function () {
return this._filteredOptions || this.options;
},
enumerable: false,
configurable: true
});
Object.defineProperty(Listbox.prototype, "emptyMessageLabel", {
get: function () {
return this.emptyMessage || this.config.getTranslation(i1.TranslationKeys.EMPTY_MESSAGE);
},
enumerable: false,
configurable: true
});
Object.defineProperty(Listbox.prototype, "emptyFilterMessageLabel", {
get: function () {
return this.emptyFilterMessage || this.config.getTranslation(i1.TranslationKeys.EMPTY_FILTER_MESSAGE);
},
enumerable: false,
configurable: true
});
Listbox.prototype.hasFilter = function () {
return this._filterValue && this._filterValue.trim().length > 0;
};
Listbox.prototype.isEmpty = function (optionsToDisplay) {
return !optionsToDisplay || (optionsToDisplay && optionsToDisplay.length === 0);
};
Listbox.prototype.onFilter = function (event) {
this._filterValue = event.target.value;
this.activateFilter();
};
Listbox.prototype.activateFilter = function () {
var e_4, _a, _b;
var _this = this;
if (this.hasFilter() && this._options) {
if (this.group) {
var searchFields = (this.optionLabel || 'label').split(',');
var filteredGroups = [];
try {
for (var _c = __values(this.options), _d = _c.next(); !_d.done; _d = _c.next()) {
var optgroup = _d.value;
var filteredSubOptions = this.filterService.filter(this.getOptionGroupChildren(optgroup), searchFields, this.filterValue, this.filterMatchMode, this.filterLocale);
if (filteredSubOptions && filteredSubOptions.length) {
filteredGroups.push(Object.assign(Object.assign({}, optgroup), (_b = {}, _b[this.optionGroupChildren] = filteredSubOptions, _b)));
}
}
}
catch (e_4_1) { e_4 = { error: e_4_1 }; }
finally {
try {
if (_d && !_d.done && (_a = _c.return)) _a.call(_c);
}
finally { if (e_4) throw e_4.error; }
}
this._filteredOptions = filteredGroups;
}
else {
this._filteredOptions = this._options.filter(function (option) { return _this.filterService.filters[_this.filterMatchMode](_this.getOptionLabel(option), _this._filterValue, _this.filterLocale); });
}
}
else {
this._filteredOptions = null;
}
};
Object.defineProperty(Listbox.prototype, "toggleAllDisabled", {
get: function () {
var e_5, _a;
var optionsToRender = this.optionsToRender;
if (!optionsToRender || optionsToRender.length === 0) {
return true;
}
else {
try {
for (var optionsToRender_2 = __values(optionsToRender), optionsToRender_2_1 = optionsToRender_2.next(); !optionsToRender_2_1.done; optionsToRender_2_1 = optionsToRender_2.next()) {
var option = optionsToRender_2_1.value;
if (!this.isOptionDisabled(option))
return false;
}
}
catch (e_5_1) { e_5 = { error: e_5_1 }; }
finally {
try {
if (optionsToRender_2_1 && !optionsToRender_2_1.done && (_a = optionsToRender_2.return)) _a.call(optionsToRender_2);
}
finally { if (e_5) throw e_5.error; }
}
return true;
}
},
enumerable: false,
configurable: true
});
Listbox.prototype.toggleAll = function (event) {
if (this.disabled || this.toggleAllDisabled || this.readonly) {
return;
}
var allChecked = this.allChecked;
if (allChecked)
this.uncheckAll();
else
this.checkAll();
this.onModelChange(this.value);
this.onChange.emit({ originalEvent: event, value: this.value });
event.preventDefault();
};
Listbox.prototype.checkAll = function () {
var _this = this;
var optionsToRender = this.optionsToRender;
var val = [];
optionsToRender.forEach(function (opt) {
if (!_this.group) {
var optionDisabled = _this.isOptionDisabled(opt);
if (!optionDisabled || (optionDisabled && _this.isSelected(opt))) {
val.push(_this.getOptionValue(opt));
}
}
else {
var subOptions = _this.getOptionGroupChildren(opt);
if (subOptions) {
subOptions.forEach(function (option) {
var optionDisabled = _this.isOptionDisabled(option);
if (!optionDisabled || (optionDisabled && _this.isSelected(option))) {
val.push(_this.getOptionValue(option));
}
});
}
}
});
this.value = val;
};
Listbox.prototype.uncheckAll = function () {
var _this = this;
var optionsToRender = this.optionsToRender;
var val = [];
optionsToRender.forEach(function (opt) {
if (!_this.group) {
var optionDisabled = _this.isOptionDisabled(opt);
if (optionDisabled && _this.isSelected(opt)) {
val.push(_this.getOptionValue(opt));
}
}
else {
if (opt.items) {
opt.items.forEach(function (option) {
var optionDisabled = _this.isOptionDisabled(option);
if (optionDisabled && _this.isSelected(option)) {
val.push(_this.getOptionValue(option));
}
});
}
}
});
this.value = val;
};
Listbox.prototype.onOptionKeyDown = function (event, option) {
if (this.readonly) {
return;
}
var item = event.currentTarget;
switch (event.which) {
//down
case 40:
var nextItem = this.findNextItem(item);
if (nextItem) {
nextItem.focus();
}
event.preventDefault();
break;
//up
case 38:
var prevItem = this.findPrevItem(item);
if (prevItem) {
prevItem.focus();
}
event.preventDefault();
break;
//enter
case 13:
this.onOptionClick(event, option);
event.preventDefault();
break;
}
};
Listbox.prototype.findNextItem = function (item) {
var nextItem = item.nextElementSibling;
if (nextItem)
return dom.DomHandler.hasClass(nextItem, 'p-disabled') || dom.DomHandler.isHidden(nextItem) || dom.DomHandler.hasClass(nextItem, 'p-listbox-item-group') ? this.findNextItem(nextItem) : nextItem;
else
return null;
};
Listbox.prototype.findPrevItem = function (item) {
var prevItem = item.previousElementSibling;
if (prevItem)
return dom.DomHandler.hasClass(prevItem, 'p-disabled') || dom.DomHandler.isHidden(prevItem) || dom.DomHandler.hasClass(prevItem, 'p-listbox-item-group') ? this.findPrevItem(prevItem) : prevItem;
else
return null;
};
Listbox.prototype.onHeaderCheckboxFocus = function () {
this.headerCheckboxFocus = true;
};
Listbox.prototype.onHeaderCheckboxBlur = function () {
this.headerCheckboxFocus = false;
};
Listbox.prototype.ngOnDestroy = function () {
if (this.translationSubscription) {
this.translationSubscription.unsubscribe();
}
};
return Listbox;
}());
Listbox.ɵfac = i0__namespace.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "12.0.4", ngImport: i0__namespace, type: Listbox, deps: [{ token: i0__namespace.ElementRef }, { token: i0__namespace.ChangeDetectorRef }, { token: i1__namespace.FilterService }, { token: i1__namespace.PrimeNGConfig }], target: i0__namespace.ɵɵFactoryTarget.Component });
Listbox.ɵcmp = i0__namespace.ɵɵngDeclareComponent({ minVersion: "12.0.0", version: "12.0.4", type: Listbox, selector: "p-listbox", inputs: { multiple: "multiple", style: "style", styleClass: "styleClass", listStyle: "listStyle", listStyleClass: "listStyleClass", readonly: "readonly", disabled: "disabled", checkbox: "checkbox", filter: "filter", filterMatchMode: "filterMatchMode", filterLocale: "filterLocale", metaKeySelection: "metaKeySelection", dataKey: "dataKey", showToggleAll: "showToggleAll", optionLabel: "optionLabel", optionValue: "optionValue", optionGroupChildren: "optionGroupChildren", optionGroupLabel: "optionGroupLabel", optionDisabled: "optionDisabled", ariaFilterLabel: "ariaFilterLabel", filterPlaceHolder: "filterPlaceHolder", emptyFilterMessage: "emptyFilterMessage", emptyMessage: "emptyMessage", group: "group", options: "options", filterValue: "filterValue" }, outputs: { onChange: "onChange", onClick: "onClick", onDblClick: "onDblClick" }, providers: [LISTBOX_VALUE_ACCESSOR], queries: [{ propertyName: "headerFacet", first: true, predicate: i1.Header, descendants: true }, { propertyName: "footerFacet", first: true, predicate: i1.Footer, descendants: true }, { propertyName: "templates", predicate: i1.PrimeTemplate }], viewQueries: [{ propertyName: "headerCheckboxViewChild", first: true, predicate: ["headerchkbox"], descendants: true }], ngImport: i0__namespace, template: "\n <div [ngClass]=\"{'p-listbox p-component': true, 'p-disabled': disabled}\" [ngStyle]=\"style\" [class]=\"styleClass\">\n <div class=\"p-listbox-header\" *ngIf=\"headerFacet || headerTemplate\">\n <ng-content select=\"p-header\"></ng-content>\n <ng-container *ngTemplateOutlet=\"headerTemplate\"></ng-container>\n </div>\n <div class=\"p-listbox-header\" *ngIf=\"(checkbox && multiple && showToggleAll) || filter\">\n <div class=\"p-checkbox p-component\" *ngIf=\"checkbox && multiple && showToggleAll\" [ngClass]=\"{'p-checkbox-disabled': disabled || toggleAllDisabled}\">\n <div class=\"p-hidden-accessible\">\n <input type=\"checkbox\" readonly=\"readonly\" [checked]=\"allChecked\" (focus)=\"onHeaderCheckboxFocus()\" (blur)=\"onHeaderCheckboxBlur()\" (keydown.space)=\"toggleAll($event)\" [attr.disabled]=\"disabled || toggleAllDisabled\">\n </div>\n <div #headerchkbox class=\"p-checkbox-box\" [ngClass]=\"{'p-highlight': allChecked, 'p-focus': headerCheckboxFocus, 'p-disabled': disabled || toggleAllDisabled}\" (click)=\"toggleAll($event)\">\n <span class=\"p-checkbox-icon\" [ngClass]=\"{'pi pi-check':allChecked}\"></span>\n </div>\n </div>\n <div class=\"p-listbox-filter-container\" *ngIf=\"filter\">\n <input type=\"text\" [value]=\"filterValue||''\" (input)=\"onFilter($event)\" class=\"p-listbox-filter p-inputtext p-component\" [disabled]=\"disabled\" [attr.placeholder]=\"filterPlaceHolder\" [attr.aria-label]=\"ariaFilterLabel\">\n <span class=\"p-listbox-filter-icon pi pi-search\"></span>\n </div>\n </div>\n <div [ngClass]=\"'p-listbox-list-wrapper'\" [ngStyle]=\"listStyle\" [class]=\"listStyleClass\">\n <ul class=\"p-listbox-list\" role=\"listbox\" aria-multiselectable=\"multiple\">\n <ng-container *ngIf=\"group\">\n <ng-template ngFor let-optgroup [ngForOf]=\"optionsToRender\">\n <li class=\"p-listbox-item-group\">\n <span *ngIf=\"!groupTemplate\">{{getOptionGroupLabel(optgroup)||'empty'}}</span>\n <ng-container *ngTemplateOutlet=\"groupTemplate; context: {$implicit: optgroup}\"></ng-container>\n </li>\n <ng-container *ngTemplateOutlet=\"itemslist; context: {$implicit: getOptionGroupChildren(optgroup)}\"></ng-container>\n </ng-template>\n </ng-container>\n <ng-container *ngIf=\"!group\">\n <ng-container *ngTemplateOutlet=\"itemslist; context: {$implicit: optionsToRender}\"></ng-container>\n </ng-container>\n <ng-template #itemslist let-optionsToDisplay>\n <li *ngFor=\"let option of optionsToDisplay; let i = index;\" [attr.tabindex]=\"disabled || isOptionDisabled(option) ? null : '0'\" pRipple\n [ngClass]=\"{'p-listbox-item':true,'p-highlight':isSelected(option), 'p-disabled': this.isOptionDisabled(option)}\" role=\"option\" [attr.aria-label]=\"getOptionLabel(option)\"\n [attr.aria-selected]=\"isSelected(option)\" (click)=\"onOptionClick($event,option)\" (dblclick)=\"onOptionDoubleClick($event,option)\" (touchend)=\"onOptionTouchEnd(option)\" (keydown)=\"onOptionKeyDown($event,option)\">\n <div class=\"p-checkbox p-component\" *ngIf=\"checkbox && multiple\" [ngClass]=\"{'p-checkbox-disabled': disabled || isOptionDisabled(option)}\">\n <div class=\"p-checkbox-box\" [ngClass]=\"{'p-highlight':isSelected(option)}\">\n <span class=\"p-checkbox-icon\" [ngClass]=\"{'pi pi-check':isSelected(option)}\"></span>\n </div>\n </div>\n <span *ngIf=\"!itemTemplate\">{{getOptionLabel(option)}}</span>\n <ng-container *ngTemplateOutlet=\"itemTemplate; context: {$implicit: option, index: i}\"></ng-container>\n </li>\n <li *ngIf=\"hasFilter() && isEmpty(optionsToDisplay)\" class=\"p-listbox-empty-message\">\n <ng-container *ngIf=\"!emptyFilterTemplate && !emptyTemplate; else emptyFilter\">\n {{emptyFilterMessageLabel}}\n </ng-container>\n <ng-container #emptyFilter *ngTemplateOutlet=\"emptyFilterTemplate || emptyTemplate\"></ng-container>\n </li>\n <li *ngIf=\"!hasFilter() && isEmpty(optionsToDisplay)\" class=\"p-listbox-empty-message\">\n <ng-container *ngIf=\"!emptyTemplate; else empty\">\n {{emptyMessageLabel}}\n </ng-container>\n <ng-container #empty *ngTemplateOutlet=\"emptyTemplate\"></ng-container>\n </li>\n </ng-template>\n </ul>\n </div>\n <div class=\"p-listbox-footer\" *ngIf=\"footerFacet || footerTemplate\">\n <ng-content select=\"p-footer\"></ng-content>\n <ng-container *ngTemplateOutlet=\"footerTemplate\"></ng-container>\n </div>\n </div>\n ", isInline: true, styles: [".p-listbox-list-wrapper{overflow:auto}.p-listbox-list{list-style-type:none;margin:0;padding:0}.p-listbox-item{cursor:pointer;position:relative;overflow:hidden;-webkit-user-select:none;-ms-user-select:none;user-select:none}.p-listbox-header,.p-listbox-item{display:flex;align-items:center}.p-listbox-filter-container{position:relative;flex:1 1 auto}.p-listbox-filter-icon{position:absolute;top:50%;margin-top:-.5rem}.p-listbox-filter{width:100%}"], directives: [{ type: i2__namespace.NgClass, selector: "[ngClass]", inputs: ["class", "ngClass"] }, { type: i2__namespace.NgStyle, selector: "[ngStyle]", inputs: ["ngStyle"] }, { type: i2__namespace.NgIf, selector: "[ngIf]", inputs: ["ngIf", "ngIfThen", "ngIfElse"] }, { type: i2__namespace.NgTemplateOutlet, selector: "[ngTemplateOutlet]", inputs: ["ngTemplateOutletContext", "ngTemplateOutlet"] }, { type: i2__namespace.NgForOf, selector: "[ngFor][ngForOf]", inputs: ["ngForOf", "ngForTrackBy", "ngForTemplate"] }, { type: i3__namespace.Ripple, selector: "[pRipple]" }], changeDetection: i0__namespace.ChangeDetectionStrategy.OnPush, encapsulation: i0__namespace.ViewEncapsulation.None });
i0__namespace.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "12.0.4", ngImport: i0__namespace, type: Listbox, decorators: [{
type: i0.Component,
args: [{
selector: 'p-listbox',
template: "\n <div [ngClass]=\"{'p-listbox p-component': true, 'p-disabled': disabled}\" [ngStyle]=\"style\" [class]=\"styleClass\">\n <div class=\"p-listbox-header\" *ngIf=\"headerFacet || headerTemplate\">\n <ng-content select=\"p-header\"></ng-content>\n <ng-container *ngTemplateOutlet=\"headerTemplate\"></ng-container>\n </div>\n <div class=\"p-listbox-header\" *ngIf=\"(checkbox && multiple && showToggleAll) || filter\">\n <div class=\"p-checkbox p-component\" *ngIf=\"checkbox && multiple && showToggleAll\" [ngClass]=\"{'p-checkbox-disabled': disabled || toggleAllDisabled}\">\n <div class=\"p-hidden-accessible\">\n <input type=\"checkbox\" readonly=\"readonly\" [checked]=\"allChecked\" (focus)=\"onHeaderCheckboxFocus()\" (blur)=\"onHeaderCheckboxBlur()\" (keydown.space)=\"toggleAll($event)\" [attr.disabled]=\"disabled || toggleAllDisabled\">\n </div>\n <div #headerchkbox class=\"p-checkbox-box\" [ngClass]=\"{'p-highlight': allChecked, 'p-focus': headerCheckboxFocus, 'p-disabled': disabled || toggleAllDisabled}\" (click)=\"toggleAll($event)\">\n <span class=\"p-checkbox-icon\" [ngClass]=\"{'p