ng-zorro-antd/bundles/ng-zorro-antd-select.umd.js

An enterprise-class UI components based on Ant Design and Angular

(function (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/core'), require('rxjs'), require('@angular/cdk/scrolling'), require('ng-zorro-antd/core/util'), require('rxjs/operators'), require('@angular/cdk/a11y'), require('@angular/cdk/keycodes'), require('@angular/cdk/overlay'), require('@angular/cdk/platform'), require('@angular/forms'), require('ng-zorro-antd/core/animation'), require('ng-zorro-antd/core/config'), require('ng-zorro-antd/core/no-animation'), require('@angular/common'), require('ng-zorro-antd/core/outlet'), require('ng-zorro-antd/core/overlay'), require('ng-zorro-antd/core/transition-patch'), require('ng-zorro-antd/empty'), require('ng-zorro-antd/i18n'), require('ng-zorro-antd/icon')) :
    typeof define === 'function' && define.amd ? define('ng-zorro-antd/select', ['exports', '@angular/core', 'rxjs', '@angular/cdk/scrolling', 'ng-zorro-antd/core/util', 'rxjs/operators', '@angular/cdk/a11y', '@angular/cdk/keycodes', '@angular/cdk/overlay', '@angular/cdk/platform', '@angular/forms', 'ng-zorro-antd/core/animation', 'ng-zorro-antd/core/config', 'ng-zorro-antd/core/no-animation', '@angular/common', 'ng-zorro-antd/core/outlet', 'ng-zorro-antd/core/overlay', 'ng-zorro-antd/core/transition-patch', 'ng-zorro-antd/empty', 'ng-zorro-antd/i18n', 'ng-zorro-antd/icon'], factory) :
    (global = global || self, factory((global['ng-zorro-antd'] = global['ng-zorro-antd'] || {}, global['ng-zorro-antd'].select = {}), global.ng.core, global.rxjs, global.ng.cdk.scrolling, global['ng-zorro-antd'].core.util, global.rxjs.operators, global.ng.cdk.a11y, global.ng.cdk.keycodes, global.ng.cdk.overlay, global.ng.cdk.platform, global.ng.forms, global['ng-zorro-antd'].core.animation, global['ng-zorro-antd'].core.config, global['ng-zorro-antd'].core['no-animation'], global.ng.common, global['ng-zorro-antd'].core.outlet, global['ng-zorro-antd'].core.overlay, global['ng-zorro-antd'].core['transition-patch'], global['ng-zorro-antd'].empty, global['ng-zorro-antd'].i18n, global['ng-zorro-antd'].icon));
}(this, (function (exports, core, rxjs, scrolling, util, operators, a11y, keycodes, overlay, platform, forms, animation, config, noAnimation, common, outlet, overlay$1, transitionPatch, empty, i18n, icon) { 'use strict';

    /*! *****************************************************************************
    Copyright (c) Microsoft Corporation. All rights reserved.
    Licensed under the Apache License, Version 2.0 (the "License"); you may not use
    this file except in compliance with the License. You may obtain a copy of the
    License at http://www.apache.org/licenses/LICENSE-2.0

    THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
    WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
    MERCHANTABLITY OR NON-INFRINGEMENT.

    See the Apache Version 2.0 License for specific language governing permissions
    and limitations under the License.
    ***************************************************************************** */
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    /**
     * @fileoverview added by tsickle
     * Generated from: option-group.component.ts
     * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
     */
    var NzOptionGroupComponent = /** @class */ (function () {
        function NzOptionGroupComponent() {
            this.nzLabel = null;
            this.changes = new rxjs.Subject();
        }
        /**
         * @return {?}
         */
        NzOptionGroupComponent.prototype.ngOnChanges = /**
         * @return {?}
         */
        function () {
            this.changes.next();
        };
        NzOptionGroupComponent.decorators = [
            { type: core.Component, args: [{
                        selector: 'nz-option-group',
                        exportAs: 'nzOptionGroup',
                        encapsulation: core.ViewEncapsulation.None,
                        changeDetection: core.ChangeDetectionStrategy.OnPush,
                        template: "\n    <ng-content></ng-content>\n  "
                    }] }
        ];
        NzOptionGroupComponent.propDecorators = {
            nzLabel: [{ type: core.Input }]
        };
        return NzOptionGroupComponent;
    }());
    if (false) {
        /** @type {?} */
        NzOptionGroupComponent.prototype.nzLabel;
        /** @type {?} */
        NzOptionGroupComponent.prototype.changes;
    }

    /**
     * @fileoverview added by tsickle
     * Generated from: option-container.component.ts
     * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
     */
    var NzOptionContainerComponent = /** @class */ (function () {
        function NzOptionContainerComponent() {
            this.notFoundContent = undefined;
            this.menuItemSelectedIcon = null;
            this.dropdownRender = null;
            this.activatedValue = null;
            this.listOfSelectedValue = [];
            this.mode = 'default';
            this.matchWidth = true;
            this.itemSize = 32;
            this.maxItemLength = 8;
            this.listOfContainerItem = [];
            this.itemClick = new core.EventEmitter();
            this.scrollToBottom = new core.EventEmitter();
            this.scrolledIndex = 0;
        }
        /**
         * @param {?} value
         * @return {?}
         */
        NzOptionContainerComponent.prototype.onItemClick = /**
         * @param {?} value
         * @return {?}
         */
        function (value) {
            this.itemClick.emit(value);
        };
        /**
         * @param {?} value
         * @return {?}
         */
        NzOptionContainerComponent.prototype.onItemHover = /**
         * @param {?} value
         * @return {?}
         */
        function (value) {
            // TODO: keydown.enter won't activate this value
            this.activatedValue = value;
        };
        /**
         * @param {?} _index
         * @param {?} option
         * @return {?}
         */
        NzOptionContainerComponent.prototype.trackValue = /**
         * @param {?} _index
         * @param {?} option
         * @return {?}
         */
        function (_index, option) {
            return option.key;
        };
        /**
         * @param {?} index
         * @return {?}
         */
        NzOptionContainerComponent.prototype.onScrolledIndexChange = /**
         * @param {?} index
         * @return {?}
         */
        function (index) {
            this.scrolledIndex = index;
            if (index === this.listOfContainerItem.length - this.maxItemLength) {
                this.scrollToBottom.emit();
            }
        };
        /**
         * @return {?}
         */
        NzOptionContainerComponent.prototype.scrollToActivatedValue = /**
         * @return {?}
         */
        function () {
            var _this = this;
            /** @type {?} */
            var index = this.listOfContainerItem.findIndex((/**
             * @param {?} item
             * @return {?}
             */
            function (item) { return _this.compareWith(item.key, _this.activatedValue); }));
            if (index < this.scrolledIndex || index >= this.scrolledIndex + this.maxItemLength) {
                this.cdkVirtualScrollViewport.scrollToIndex(index || 0);
            }
        };
        /**
         * @param {?} changes
         * @return {?}
         */
        NzOptionContainerComponent.prototype.ngOnChanges = /**
         * @param {?} changes
         * @return {?}
         */
        function (changes) {
            var listOfContainerItem = changes.listOfContainerItem, activatedValue = changes.activatedValue;
            if (listOfContainerItem || activatedValue) {
                this.scrollToActivatedValue();
            }
        };
        /**
         * @return {?}
         */
        NzOptionContainerComponent.prototype.ngAfterViewInit = /**
         * @return {?}
         */
        function () {
            var _this = this;
            setTimeout((/**
             * @return {?}
             */
            function () { return _this.scrollToActivatedValue(); }));
        };
        NzOptionContainerComponent.decorators = [
            { type: core.Component, args: [{
                        selector: 'nz-option-container',
                        exportAs: 'nzOptionContainer',
                        changeDetection: core.ChangeDetectionStrategy.OnPush,
                        encapsulation: core.ViewEncapsulation.None,
                        preserveWhitespaces: false,
                        template: "\n    <div>\n      <div *ngIf=\"listOfContainerItem.length === 0\" class=\"ant-select-item-empty\">\n        <nz-embed-empty nzComponentName=\"select\" [specificContent]=\"notFoundContent\"></nz-embed-empty>\n      </div>\n      <cdk-virtual-scroll-viewport\n        [class.full-width]=\"!matchWidth\"\n        [itemSize]=\"itemSize\"\n        [maxBufferPx]=\"itemSize * maxItemLength\"\n        [minBufferPx]=\"itemSize * maxItemLength\"\n        (scrolledIndexChange)=\"onScrolledIndexChange($event)\"\n        [style.height.px]=\"listOfContainerItem.length * itemSize\"\n        [style.max-height.px]=\"itemSize * maxItemLength\"\n      >\n        <ng-container *cdkVirtualFor=\"let item of listOfContainerItem; trackBy: trackValue\">\n          <ng-container [ngSwitch]=\"item.type\">\n            <nz-option-item-group *ngSwitchCase=\"'group'\" [nzLabel]=\"item.groupLabel\"></nz-option-item-group>\n            <nz-option-item\n              *ngSwitchCase=\"'item'\"\n              [icon]=\"menuItemSelectedIcon\"\n              [customContent]=\"item.nzCustomContent\"\n              [template]=\"item.template\"\n              [grouped]=\"!!item.groupLabel\"\n              [disabled]=\"item.nzDisabled\"\n              [showState]=\"mode === 'tags' || mode === 'multiple'\"\n              [label]=\"item.nzLabel\"\n              [compareWith]=\"compareWith\"\n              [activatedValue]=\"activatedValue\"\n              [listOfSelectedValue]=\"listOfSelectedValue\"\n              [value]=\"item.nzValue\"\n              (itemHover)=\"onItemHover($event)\"\n              (itemClick)=\"onItemClick($event)\"\n            ></nz-option-item>\n          </ng-container>\n        </ng-container>\n      </cdk-virtual-scroll-viewport>\n      <ng-template [ngTemplateOutlet]=\"dropdownRender\"></ng-template>\n    </div>\n  ",
                        host: {
                            '[class.ant-select-dropdown]': 'true'
                        }
                    }] }
        ];
        NzOptionContainerComponent.propDecorators = {
            notFoundContent: [{ type: core.Input }],
            menuItemSelectedIcon: [{ type: core.Input }],
            dropdownRender: [{ type: core.Input }],
            activatedValue: [{ type: core.Input }],
            listOfSelectedValue: [{ type: core.Input }],
            compareWith: [{ type: core.Input }],
            mode: [{ type: core.Input }],
            matchWidth: [{ type: core.Input }],
            itemSize: [{ type: core.Input }],
            maxItemLength: [{ type: core.Input }],
            listOfContainerItem: [{ type: core.Input }],
            itemClick: [{ type: core.Output }],
            scrollToBottom: [{ type: core.Output }],
            cdkVirtualScrollViewport: [{ type: core.ViewChild, args: [scrolling.CdkVirtualScrollViewport, { static: true },] }]
        };
        return NzOptionContainerComponent;
    }());
    if (false) {
        /** @type {?} */
        NzOptionContainerComponent.prototype.notFoundContent;
        /** @type {?} */
        NzOptionContainerComponent.prototype.menuItemSelectedIcon;
        /** @type {?} */
        NzOptionContainerComponent.prototype.dropdownRender;
        /** @type {?} */
        NzOptionContainerComponent.prototype.activatedValue;
        /** @type {?} */
        NzOptionContainerComponent.prototype.listOfSelectedValue;
        /** @type {?} */
        NzOptionContainerComponent.prototype.compareWith;
        /** @type {?} */
        NzOptionContainerComponent.prototype.mode;
        /** @type {?} */
        NzOptionContainerComponent.prototype.matchWidth;
        /** @type {?} */
        NzOptionContainerComponent.prototype.itemSize;
        /** @type {?} */
        NzOptionContainerComponent.prototype.maxItemLength;
        /** @type {?} */
        NzOptionContainerComponent.prototype.listOfContainerItem;
        /** @type {?} */
        NzOptionContainerComponent.prototype.itemClick;
        /** @type {?} */
        NzOptionContainerComponent.prototype.scrollToBottom;
        /** @type {?} */
        NzOptionContainerComponent.prototype.cdkVirtualScrollViewport;
        /**
         * @type {?}
         * @private
         */
        NzOptionContainerComponent.prototype.scrolledIndex;
    }

    /**
     * @fileoverview added by tsickle
     * Generated from: option.component.ts
     * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
     */
    var NzOptionComponent = /** @class */ (function () {
        function NzOptionComponent(nzOptionGroupComponent) {
            this.nzOptionGroupComponent = nzOptionGroupComponent;
            this.destroy$ = new rxjs.Subject();
            this.changes = new rxjs.Subject();
            this.groupLabel = null;
            this.nzLabel = null;
            this.nzValue = null;
            this.nzDisabled = false;
            this.nzHide = false;
            this.nzCustomContent = false;
        }
        /**
         * @return {?}
         */
        NzOptionComponent.prototype.ngOnInit = /**
         * @return {?}
         */
        function () {
            var _this = this;
            if (this.nzOptionGroupComponent) {
                this.nzOptionGroupComponent.changes.pipe(operators.startWith(true), operators.takeUntil(this.destroy$)).subscribe((/**
                 * @return {?}
                 */
                function () {
                    _this.groupLabel = _this.nzOptionGroupComponent.nzLabel;
                }));
            }
        };
        /**
         * @return {?}
         */
        NzOptionComponent.prototype.ngOnChanges = /**
         * @return {?}
         */
        function () {
            this.changes.next();
        };
        /**
         * @return {?}
         */
        NzOptionComponent.prototype.ngOnDestroy = /**
         * @return {?}
         */
        function () {
            this.destroy$.next();
            this.destroy$.complete();
        };
        NzOptionComponent.decorators = [
            { type: core.Component, args: [{
                        selector: 'nz-option',
                        exportAs: 'nzOption',
                        encapsulation: core.ViewEncapsulation.None,
                        changeDetection: core.ChangeDetectionStrategy.OnPush,
                        template: "\n    <ng-template>\n      <ng-content></ng-content>\n    </ng-template>\n  "
                    }] }
        ];
        /** @nocollapse */
        NzOptionComponent.ctorParameters = function () { return [
            { type: NzOptionGroupComponent, decorators: [{ type: core.Optional }] }
        ]; };
        NzOptionComponent.propDecorators = {
            template: [{ type: core.ViewChild, args: [core.TemplateRef, { static: true },] }],
            nzLabel: [{ type: core.Input }],
            nzValue: [{ type: core.Input }],
            nzDisabled: [{ type: core.Input }],
            nzHide: [{ type: core.Input }],
            nzCustomContent: [{ type: core.Input }]
        };
        __decorate([
            util.InputBoolean(),
            __metadata("design:type", Object)
        ], NzOptionComponent.prototype, "nzDisabled", void 0);
        __decorate([
            util.InputBoolean(),
            __metadata("design:type", Object)
        ], NzOptionComponent.prototype, "nzHide", void 0);
        __decorate([
            util.InputBoolean(),
            __metadata("design:type", Object)
        ], NzOptionComponent.prototype, "nzCustomContent", void 0);
        return NzOptionComponent;
    }());
    if (false) {
        /** @type {?} */
        NzOptionComponent.ngAcceptInputType_nzDisabled;
        /** @type {?} */
        NzOptionComponent.ngAcceptInputType_nzHide;
        /** @type {?} */
        NzOptionComponent.ngAcceptInputType_nzCustomContent;
        /**
         * @type {?}
         * @private
         */
        NzOptionComponent.prototype.destroy$;
        /** @type {?} */
        NzOptionComponent.prototype.changes;
        /** @type {?} */
        NzOptionComponent.prototype.groupLabel;
        /** @type {?} */
        NzOptionComponent.prototype.template;
        /** @type {?} */
        NzOptionComponent.prototype.nzLabel;
        /** @type {?} */
        NzOptionComponent.prototype.nzValue;
        /** @type {?} */
        NzOptionComponent.prototype.nzDisabled;
        /** @type {?} */
        NzOptionComponent.prototype.nzHide;
        /** @type {?} */
        NzOptionComponent.prototype.nzCustomContent;
        /**
         * @type {?}
         * @private
         */
        NzOptionComponent.prototype.nzOptionGroupComponent;
    }

    /**
     * @fileoverview added by tsickle
     * Generated from: select-search.component.ts
     * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
     */
    var NzSelectSearchComponent = /** @class */ (function () {
        function NzSelectSearchComponent(elementRef, renderer, focusMonitor) {
            this.elementRef = elementRef;
            this.renderer = renderer;
            this.focusMonitor = focusMonitor;
            this.disabled = false;
            this.mirrorSync = false;
            this.showInput = true;
            this.focusTrigger = false;
            this.value = '';
            this.autofocus = false;
            this.valueChange = new core.EventEmitter();
            this.isComposingChange = new core.EventEmitter();
        }
        /**
         * @param {?} isComposing
         * @return {?}
         */
        NzSelectSearchComponent.prototype.setCompositionState = /**
         * @param {?} isComposing
         * @return {?}
         */
        function (isComposing) {
            this.isComposingChange.next(isComposing);
        };
        /**
         * @param {?} value
         * @return {?}
         */
        NzSelectSearchComponent.prototype.onValueChange = /**
         * @param {?} value
         * @return {?}
         */
        function (value) {
            /** @type {?} */
            var inputDOM = this.inputElement.nativeElement;
            inputDOM.value = value;
            this.value = value;
            this.valueChange.next(value);
            if (this.mirrorSync) {
                this.syncMirrorWidth();
            }
        };
        /**
         * @return {?}
         */
        NzSelectSearchComponent.prototype.clearInputValue = /**
         * @return {?}
         */
        function () {
            this.onValueChange('');
        };
        /**
         * @return {?}
         */
        NzSelectSearchComponent.prototype.syncMirrorWidth = /**
         * @return {?}
         */
        function () {
            /** @type {?} */
            var mirrorDOM = this.mirrorElement.nativeElement;
            /** @type {?} */
            var hostDOM = this.elementRef.nativeElement;
            /** @type {?} */
            var inputDOM = this.inputElement.nativeElement;
            this.renderer.removeStyle(hostDOM, 'width');
            mirrorDOM.innerHTML = inputDOM.value + "&nbsp;";
            this.renderer.setStyle(hostDOM, 'width', mirrorDOM.scrollWidth + "px");
        };
        /**
         * @return {?}
         */
        NzSelectSearchComponent.prototype.focus = /**
         * @return {?}
         */
        function () {
            this.focusMonitor.focusVia(this.inputElement, 'keyboard');
        };
        /**
         * @return {?}
         */
        NzSelectSearchComponent.prototype.blur = /**
         * @return {?}
         */
        function () {
            this.inputElement.nativeElement.blur();
        };
        /**
         * @param {?} changes
         * @return {?}
         */
        NzSelectSearchComponent.prototype.ngOnChanges = /**
         * @param {?} changes
         * @return {?}
         */
        function (changes) {
            /** @type {?} */
            var inputDOM = this.inputElement.nativeElement;
            var focusTrigger = changes.focusTrigger, showInput = changes.showInput;
            if (focusTrigger && focusTrigger.currentValue === true && focusTrigger.previousValue === false) {
                inputDOM.focus();
            }
            if (showInput) {
                if (this.showInput) {
                    this.renderer.removeAttribute(inputDOM, 'readonly');
                }
                else {
                    this.renderer.setAttribute(inputDOM, 'readonly', 'readonly');
                }
            }
        };
        /**
         * @return {?}
         */
        NzSelectSearchComponent.prototype.ngAfterViewInit = /**
         * @return {?}
         */
        function () {
            if (this.mirrorSync) {
                this.syncMirrorWidth();
            }
            if (this.autofocus) {
                this.focus();
            }
        };
        NzSelectSearchComponent.decorators = [
            { type: core.Component, args: [{
                        selector: 'nz-select-search',
                        encapsulation: core.ViewEncapsulation.None,
                        changeDetection: core.ChangeDetectionStrategy.OnPush,
                        template: "\n    <input\n      #inputElement\n      autocomplete=\"off\"\n      class=\"ant-select-selection-search-input\"\n      [ngModel]=\"value\"\n      [attr.autofocus]=\"autofocus ? 'autofocus' : null\"\n      [disabled]=\"disabled\"\n      [style.opacity]=\"showInput ? null : 0\"\n      (ngModelChange)=\"onValueChange($event)\"\n      (compositionstart)=\"setCompositionState(true)\"\n      (compositionend)=\"setCompositionState(false)\"\n    />\n    <span #mirrorElement *ngIf=\"mirrorSync\" class=\"ant-select-selection-search-mirror\"></span>\n  ",
                        host: {
                            '[class.ant-select-selection-search]': 'true'
                        }
                    }] }
        ];
        /** @nocollapse */
        NzSelectSearchComponent.ctorParameters = function () { return [
            { type: core.ElementRef },
            { type: core.Renderer2 },
            { type: a11y.FocusMonitor }
        ]; };
        NzSelectSearchComponent.propDecorators = {
            disabled: [{ type: core.Input }],
            mirrorSync: [{ type: core.Input }],
            showInput: [{ type: core.Input }],
            focusTrigger: [{ type: core.Input }],
            value: [{ type: core.Input }],
            autofocus: [{ type: core.Input }],
            valueChange: [{ type: core.Output }],
            isComposingChange: [{ type: core.Output }],
            inputElement: [{ type: core.ViewChild, args: ['inputElement', { static: true },] }],
            mirrorElement: [{ type: core.ViewChild, args: ['mirrorElement', { static: false },] }]
        };
        return NzSelectSearchComponent;
    }());
    if (false) {
        /** @type {?} */
        NzSelectSearchComponent.prototype.disabled;
        /** @type {?} */
        NzSelectSearchComponent.prototype.mirrorSync;
        /** @type {?} */
        NzSelectSearchComponent.prototype.showInput;
        /** @type {?} */
        NzSelectSearchComponent.prototype.focusTrigger;
        /** @type {?} */
        NzSelectSearchComponent.prototype.value;
        /** @type {?} */
        NzSelectSearchComponent.prototype.autofocus;
        /** @type {?} */
        NzSelectSearchComponent.prototype.valueChange;
        /** @type {?} */
        NzSelectSearchComponent.prototype.isComposingChange;
        /** @type {?} */
        NzSelectSearchComponent.prototype.inputElement;
        /** @type {?} */
        NzSelectSearchComponent.prototype.mirrorElement;
        /**
         * @type {?}
         * @private
         */
        NzSelectSearchComponent.prototype.elementRef;
        /**
         * @type {?}
         * @private
         */
        NzSelectSearchComponent.prototype.renderer;
        /**
         * @type {?}
         * @private
         */
        NzSelectSearchComponent.prototype.focusMonitor;
    }

    /**
     * @fileoverview added by tsickle
     * Generated from: select-top-control.component.ts
     * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
     */
    var NzSelectTopControlComponent = /** @class */ (function () {
        function NzSelectTopControlComponent(noAnimation) {
            this.noAnimation = noAnimation;
            this.showSearch = false;
            this.placeHolder = null;
            this.open = false;
            this.maxTagCount = Infinity;
            this.autofocus = false;
            this.disabled = false;
            this.mode = 'default';
            this.customTemplate = null;
            this.maxTagPlaceholder = null;
            this.removeIcon = null;
            this.listOfTopItem = [];
            this.tokenSeparators = [];
            this.tokenize = new core.EventEmitter();
            this.inputValueChange = new core.EventEmitter();
            this.animationEnd = new core.EventEmitter();
            this.deleteItem = new core.EventEmitter();
            this.openChange = new core.EventEmitter();
            this.listOfSlicedItem = [];
            this.isShowPlaceholder = true;
            this.isShowSingleLabel = false;
            this.isComposing = false;
            this.inputValue = null;
        }
        /**
         * @return {?}
         */
        NzSelectTopControlComponent.prototype.onHostClick = /**
         * @return {?}
         */
        function () {
            if (!this.disabled) {
                this.openChange.next(!this.open);
            }
        };
        /**
         * @param {?} e
         * @return {?}
         */
        NzSelectTopControlComponent.prototype.onHostKeydown = /**
         * @param {?} e
         * @return {?}
         */
        function (e) {
            /** @type {?} */
            var inputValue = ((/** @type {?} */ (e.target))).value;
            if (e.keyCode === keycodes.BACKSPACE && this.mode !== 'default' && !inputValue && this.listOfTopItem.length > 0) {
                e.preventDefault();
                this.onDeleteItem(this.listOfTopItem[this.listOfTopItem.length - 1]);
            }
        };
        /**
         * @return {?}
         */
        NzSelectTopControlComponent.prototype.updateTemplateVariable = /**
         * @return {?}
         */
        function () {
            /** @type {?} */
            var isSelectedValueEmpty = this.listOfTopItem.length === 0;
            this.isShowPlaceholder = isSelectedValueEmpty && !this.isComposing && !this.inputValue;
            this.isShowSingleLabel = !isSelectedValueEmpty && !this.isComposing && !this.inputValue;
        };
        /**
         * @param {?} isComposing
         * @return {?}
         */
        NzSelectTopControlComponent.prototype.isComposingChange = /**
         * @param {?} isComposing
         * @return {?}
         */
        function (isComposing) {
            this.isComposing = isComposing;
            this.updateTemplateVariable();
        };
        /**
         * @param {?} value
         * @return {?}
         */
        NzSelectTopControlComponent.prototype.onInputValueChange = /**
         * @param {?} value
         * @return {?}
         */
        function (value) {
            if (value !== this.inputValue) {
                this.inputValue = value;
                this.updateTemplateVariable();
                this.inputValueChange.emit(value);
                this.tokenSeparate(value, this.tokenSeparators);
            }
        };
        /**
         * @param {?} inputValue
         * @param {?} tokenSeparators
         * @return {?}
         */
        NzSelectTopControlComponent.prototype.tokenSeparate = /**
         * @param {?} inputValue
         * @param {?} tokenSeparators
         * @return {?}
         */
        function (inputValue, tokenSeparators) {
            /** @type {?} */
            var includesSeparators = (/**
             * @param {?} str
             * @param {?} separators
             * @return {?}
             */
            function (str, separators) {
                // tslint:disable-next-line:prefer-for-of
                for (var i = 0; i < separators.length; ++i) {
                    if (str.lastIndexOf(separators[i]) > 0) {
                        return true;
                    }
                }
                return false;
            });
            /** @type {?} */
            var splitBySeparators = (/**
             * @param {?} str
             * @param {?} separators
             * @return {?}
             */
            function (str, separators) {
                /** @type {?} */
                var reg = new RegExp("[" + separators.join() + "]");
                /** @type {?} */
                var array = ((/** @type {?} */ (str))).split(reg).filter((/**
                 * @param {?} token
                 * @return {?}
                 */
                function (token) { return token; }));
                return __spread(new Set(array));
            });
            if (inputValue &&
                inputValue.length &&
                tokenSeparators.length &&
                this.mode !== 'default' &&
                includesSeparators(inputValue, tokenSeparators)) {
                /** @type {?} */
                var listOfLabel = splitBySeparators(inputValue, tokenSeparators);
                this.tokenize.next(listOfLabel);
            }
        };
        /**
         * @return {?}
         */
        NzSelectTopControlComponent.prototype.clearInputValue = /**
         * @return {?}
         */
        function () {
            if (this.nzSelectSearchComponent) {
                this.nzSelectSearchComponent.clearInputValue();
            }
        };
        /**
         * @return {?}
         */
        NzSelectTopControlComponent.prototype.focus = /**
         * @return {?}
         */
        function () {
            if (this.nzSelectSearchComponent) {
                this.nzSelectSearchComponent.focus();
            }
        };
        /**
         * @return {?}
         */
        NzSelectTopControlComponent.prototype.blur = /**
         * @return {?}
         */
        function () {
            if (this.nzSelectSearchComponent) {
                this.nzSelectSearchComponent.blur();
            }
        };
        /**
         * @param {?} _index
         * @param {?} option
         * @return {?}
         */
        NzSelectTopControlComponent.prototype.trackValue = /**
         * @param {?} _index
         * @param {?} option
         * @return {?}
         */
        function (_index, option) {
            return option.nzValue;
        };
        /**
         * @param {?} item
         * @return {?}
         */
        NzSelectTopControlComponent.prototype.onDeleteItem = /**
         * @param {?} item
         * @return {?}
         */
        function (item) {
            if (!this.disabled && !item.nzDisabled) {
                this.deleteItem.next(item);
            }
        };
        /**
         * @return {?}
         */
        NzSelectTopControlComponent.prototype.onAnimationEnd = /**
         * @return {?}
         */
        function () {
            this.animationEnd.next();
        };
        /**
         * @param {?} changes
         * @return {?}
         */
        NzSelectTopControlComponent.prototype.ngOnChanges = /**
         * @param {?} changes
         * @return {?}
         */
        function (changes) {
            var _this = this;
            var listOfTopItem = changes.listOfTopItem, maxTagCount = changes.maxTagCount, customTemplate = changes.customTemplate, maxTagPlaceholder = changes.maxTagPlaceholder;
            if (listOfTopItem) {
                this.updateTemplateVariable();
            }
            if (listOfTopItem || maxTagCount || customTemplate || maxTagPlaceholder) {
                /** @type {?} */
                var listOfSlicedItem = this.listOfTopItem.slice(0, this.maxTagCount).map((/**
                 * @param {?} o
                 * @return {?}
                 */
                function (o) {
                    return {
                        nzLabel: o.nzLabel,
                        nzValue: o.nzValue,
                        nzDisabled: o.nzDisabled,
                        contentTemplateOutlet: _this.customTemplate,
                        contentTemplateOutletContext: o
                    };
                }));
                if (this.listOfTopItem.length > this.maxTagCount) {
                    /** @type {?} */
                    var exceededLabel = "+ " + (this.listOfTopItem.length - this.maxTagCount) + " ...";
                    /** @type {?} */
                    var listOfSelectedValue = this.listOfTopItem.map((/**
                     * @param {?} item
                     * @return {?}
                     */
                    function (item) { return item.nzValue; }));
                    /** @type {?} */
                    var exceededItem = {
                        nzLabel: exceededLabel,
                        nzValue: '$$__nz_exceeded_item',
                        nzDisabled: true,
                        contentTemplateOutlet: this.maxTagPlaceholder,
                        contentTemplateOutletContext: listOfSelectedValue.slice(this.maxTagCount)
                    };
                    listOfSlicedItem.push(exceededItem);
                }
                this.listOfSlicedItem = listOfSlicedItem;
            }
        };
        NzSelectTopControlComponent.decorators = [
            { type: core.Component, args: [{
                        selector: 'nz-select-top-control',
                        exportAs: 'nzSelectTopControl',
                        preserveWhitespaces: false,
                        animations: [animation.zoomMotion],
                        changeDetection: core.ChangeDetectionStrategy.OnPush,
                        encapsulation: core.ViewEncapsulation.None,
                        template: "\n    <!--single mode-->\n    <ng-container [ngSwitch]=\"mode\">\n      <ng-container *ngSwitchCase=\"'default'\">\n        <nz-select-item\n          *ngIf=\"isShowSingleLabel\"\n          [deletable]=\"false\"\n          [disabled]=\"false\"\n          [removeIcon]=\"removeIcon\"\n          [label]=\"listOfTopItem[0].nzLabel\"\n          [contentTemplateOutlet]=\"customTemplate\"\n          [contentTemplateOutletContext]=\"listOfTopItem[0]\"\n        ></nz-select-item>\n        <nz-select-search\n          [disabled]=\"disabled\"\n          [value]=\"inputValue\"\n          [showInput]=\"open && showSearch\"\n          [mirrorSync]=\"false\"\n          [autofocus]=\"autofocus\"\n          [focusTrigger]=\"open\"\n          (isComposingChange)=\"isComposingChange($event)\"\n          (valueChange)=\"onInputValueChange($event)\"\n        ></nz-select-search>\n      </ng-container>\n      <ng-container *ngSwitchDefault>\n        <!--multiple or tags mode-->\n        <nz-select-item\n          *ngFor=\"let item of listOfSlicedItem; trackBy: trackValue\"\n          [@zoomMotion]\n          [@.disabled]=\"noAnimation?.nzNoAnimation\"\n          [nzNoAnimation]=\"noAnimation?.nzNoAnimation\"\n          [removeIcon]=\"removeIcon\"\n          [label]=\"item.nzLabel\"\n          [disabled]=\"item.nzDisabled || disabled\"\n          [contentTemplateOutlet]=\"item.contentTemplateOutlet\"\n          [deletable]=\"true\"\n          [contentTemplateOutletContext]=\"item.contentTemplateOutletContext\"\n          (@zoomMotion.done)=\"onAnimationEnd()\"\n          (delete)=\"onDeleteItem(item.contentTemplateOutletContext)\"\n        >\n        </nz-select-item>\n        <nz-select-search\n          [disabled]=\"disabled\"\n          [value]=\"inputValue\"\n          [autofocus]=\"autofocus\"\n          [showInput]=\"true\"\n          [mirrorSync]=\"true\"\n          [focusTrigger]=\"open\"\n          (isComposingChange)=\"isComposingChange($event)\"\n          (valueChange)=\"onInputValueChange($event)\"\n        ></nz-select-search>\n      </ng-container>\n    </ng-container>\n    <nz-select-placeholder *ngIf=\"isShowPlaceholder\" [placeholder]=\"placeHolder\"></nz-select-placeholder>\n  ",
                        host: {
                            '[class.ant-select-selector]': 'true',
                            '(click)': 'onHostClick()',
                            '(keydown)': 'onHostKeydown($event)'
                        }
                    }] }
        ];
        /** @nocollapse */
        NzSelectTopControlComponent.ctorParameters = function () { return [
            { type: noAnimation.NzNoAnimationDirective, decorators: [{ type: core.Host }, { type: core.Optional }] }
        ]; };
        NzSelectTopControlComponent.propDecorators = {
            showSearch: [{ type: core.Input }],
            placeHolder: [{ type: core.Input }],
            open: [{ type: core.Input }],
            maxTagCount: [{ type: core.Input }],
            autofocus: [{ type: core.Input }],
            disabled: [{ type: core.Input }],
            mode: [{ type: core.Input }],
            customTemplate: [{ type: core.Input }],
            maxTagPlaceholder: [{ type: core.Input }],
            removeIcon: [{ type: core.Input }],
            listOfTopItem: [{ type: core.Input }],
            tokenSeparators: [{ type: core.Input }],
            tokenize: [{ type: core.Output }],
            inputValueChange: [{ type: core.Output }],
            animationEnd: [{ type: core.Output }],
            deleteItem: [{ type: core.Output }],
            openChange: [{ type: core.Output }],
            nzSelectSearchComponent: [{ type: core.ViewChild, args: [NzSelectSearchComponent,] }]
        };
        return NzSelectTopControlComponent;
    }());
    if (false) {
        /** @type {?} */
        NzSelectTopControlComponent.prototype.showSearch;
        /** @type {?} */
        NzSelectTopControlComponent.prototype.placeHolder;
        /** @type {?} */
        NzSelectTopControlComponent.prototype.open;
        /** @type {?} */
        NzSelectTopControlComponent.prototype.maxTagCount;
        /** @type {?} */
        NzSelectTopControlComponent.prototype.autofocus;
        /** @type {?} */
        NzSelectTopControlComponent.prototype.disabled;
        /** @type {?} */
        NzSelectTopControlComponent.prototype.mode;
        /** @type {?} */
        NzSelectTopControlComponent.prototype.customTemplate;
        /** @type {?} */
        NzSelectTopControlComponent.prototype.maxTagPlaceholder;
        /** @type {?} */
        NzSelectTopControlComponent.prototype.removeIcon;
        /** @type {?} */
        NzSelectTopControlComponent.prototype.listOfTopItem;
        /** @type {?} */
        NzSelectTopControlComponent.prototype.tokenSeparators;
        /** @type {?} */
        NzSelectTopControlComponent.prototype.tokenize;
        /** @type {?} */
        NzSelectTopControlComponent.prototype.inputValueChange;
        /** @type {?} */
        NzSelectTopControlComponent.prototype.animationEnd;
        /** @type {?} */
        NzSelectTopControlComponent.prototype.deleteItem;
        /** @type {?} */
        NzSelectTopCon