ng-zorro-antd
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An enterprise-class UI components based on Ant Design and Angular
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JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/cdk/keycodes'), require('@angular/cdk/overlay'), require('@angular/core'), require('@angular/forms'), require('rxjs'), require('rxjs/operators'), require('ng-zorro-antd/core'), require('ng-zorro-antd/i18n'), require('@angular/common'), require('ng-zorro-antd/empty'), require('ng-zorro-antd/icon'), require('ng-zorro-antd/input')) :
typeof define === 'function' && define.amd ? define('ng-zorro-antd/cascader', ['exports', '@angular/cdk/keycodes', '@angular/cdk/overlay', '@angular/core', '@angular/forms', 'rxjs', 'rxjs/operators', 'ng-zorro-antd/core', 'ng-zorro-antd/i18n', '@angular/common', 'ng-zorro-antd/empty', 'ng-zorro-antd/icon', 'ng-zorro-antd/input'], factory) :
(global = global || self, factory((global['ng-zorro-antd'] = global['ng-zorro-antd'] || {}, global['ng-zorro-antd'].cascader = {}), global.ng.cdk.keycodes, global.ng.cdk.overlay, global.ng.core, global.ng.forms, global.rxjs, global.rxjs.operators, global['ng-zorro-antd'].core, global['ng-zorro-antd'].i18n, global.ng.common, global['ng-zorro-antd'].empty, global['ng-zorro-antd'].icon, global['ng-zorro-antd'].input));
}(this, function (exports, keycodes, overlay, core, forms, rxjs, operators, core$1, i18n, common, empty, icon, input) { '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
* @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
/**
* @license
* Copyright Alibaba.com All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
*/
/**
* @deprecated Use the prefixed version.
* @record
*/
function CascaderOption() { }
if (false) {
/** @type {?|undefined} */
CascaderOption.prototype.value;
/** @type {?|undefined} */
CascaderOption.prototype.label;
/** @type {?|undefined} */
CascaderOption.prototype.title;
/** @type {?|undefined} */
CascaderOption.prototype.disabled;
/** @type {?|undefined} */
CascaderOption.prototype.loading;
/** @type {?|undefined} */
CascaderOption.prototype.isLeaf;
/** @type {?|undefined} */
CascaderOption.prototype.parent;
/** @type {?|undefined} */
CascaderOption.prototype.children;
/* Skipping unhandled member: [key: string]: any;*/
}
/**
* @deprecated Use the prefixed version.
* @record
*/
function CascaderSearchOption() { }
if (false) {
/** @type {?} */
CascaderSearchOption.prototype.path;
}
/**
* @record
*/
function NzShowSearchOptions() { }
if (false) {
/** @type {?|undefined} */
NzShowSearchOptions.prototype.filter;
/** @type {?|undefined} */
NzShowSearchOptions.prototype.sorter;
}
/**
* @param {?} options
* @return {?}
*/
function isShowSearchObject(options) {
return typeof options !== 'boolean';
}
/**
* To avoid circular dependency, provide an interface of `NzCascaderComponent`
* for `NzCascaderService`.
* @record
*/
function NzCascaderComponentAsSource() { }
if (false) {
/** @type {?} */
NzCascaderComponentAsSource.prototype.inputValue;
/** @type {?} */
NzCascaderComponentAsSource.prototype.nzShowSearch;
/** @type {?} */
NzCascaderComponentAsSource.prototype.nzLabelProperty;
/** @type {?} */
NzCascaderComponentAsSource.prototype.nzValueProperty;
/** @type {?} */
NzCascaderComponentAsSource.prototype.nzChangeOnSelect;
/**
* @param {?} option
* @param {?} level
* @return {?}
*/
NzCascaderComponentAsSource.prototype.nzChangeOn = function (option, level) { };
/**
* @param {?} node
* @param {?=} index
* @return {?}
*/
NzCascaderComponentAsSource.prototype.nzLoadData = function (node, index) { };
}
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
/**
* @license
* Copyright Alibaba.com All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
*/
/**
* @param {?} o
* @return {?}
*/
function isChildOption(o) {
return o.isLeaf || !o.children || !o.children.length;
}
/**
* @param {?} o
* @return {?}
*/
function isParentOption(o) {
return !!o.children && !!o.children.length && !o.isLeaf;
}
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
var NzCascaderOptionComponent = /** @class */ (function () {
function NzCascaderOptionComponent(cdr, elementRef, renderer) {
this.cdr = cdr;
this.optionTemplate = null;
this.activated = false;
this.nzLabelProperty = 'label';
renderer.addClass(elementRef.nativeElement, 'ant-cascader-menu-item');
}
Object.defineProperty(NzCascaderOptionComponent.prototype, "optionLabel", {
get: /**
* @return {?}
*/
function () {
return this.option[this.nzLabelProperty];
},
enumerable: true,
configurable: true
});
/**
* @return {?}
*/
NzCascaderOptionComponent.prototype.markForCheck = /**
* @return {?}
*/
function () {
this.cdr.markForCheck();
};
NzCascaderOptionComponent.decorators = [
{ type: core.Component, args: [{
changeDetection: core.ChangeDetectionStrategy.OnPush,
encapsulation: core.ViewEncapsulation.None,
selector: '[nz-cascader-option]',
exportAs: 'nzCascaderOption',
template: "<ng-container *ngIf=\"optionTemplate; else defaultOptionTemplate\">\n <ng-template [ngTemplateOutlet]=\"optionTemplate\"\n [ngTemplateOutletContext]=\"{ $implicit: option, index: columnIndex }\"></ng-template>\n</ng-container>\n<ng-template #defaultOptionTemplate>\n <span [innerHTML]=\"optionLabel | nzHighlight: highlightText: 'g': 'ant-cascader-menu-item-keyword'\"></span>\n</ng-template>\n<span *ngIf=\"!option.isLeaf || option.children?.length || option.loading\"\n class=\"ant-cascader-menu-item-expand-icon\">\n <i nz-icon\n [nzType]=\"option.loading ? 'loading' : 'right'\"></i>\n</span>\n",
host: {
'[attr.title]': 'option.title || optionLabel',
'[class.ant-cascader-menu-item-active]': 'activated',
'[class.ant-cascader-menu-item-expand]': '!option.isLeaf',
'[class.ant-cascader-menu-item-disabled]': 'option.disabled'
}
}] }
];
/** @nocollapse */
NzCascaderOptionComponent.ctorParameters = function () { return [
{ type: core.ChangeDetectorRef },
{ type: core.ElementRef },
{ type: core.Renderer2 }
]; };
NzCascaderOptionComponent.propDecorators = {
optionTemplate: [{ type: core.Input }],
option: [{ type: core.Input }],
activated: [{ type: core.Input }],
highlightText: [{ type: core.Input }],
nzLabelProperty: [{ type: core.Input }],
columnIndex: [{ type: core.Input }]
};
return NzCascaderOptionComponent;
}());
if (false) {
/** @type {?} */
NzCascaderOptionComponent.prototype.optionTemplate;
/** @type {?} */
NzCascaderOptionComponent.prototype.option;
/** @type {?} */
NzCascaderOptionComponent.prototype.activated;
/** @type {?} */
NzCascaderOptionComponent.prototype.highlightText;
/** @type {?} */
NzCascaderOptionComponent.prototype.nzLabelProperty;
/** @type {?} */
NzCascaderOptionComponent.prototype.columnIndex;
/**
* @type {?}
* @private
*/
NzCascaderOptionComponent.prototype.cdr;
}
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
/**
* All data is stored and parsed in NzCascaderService.
*/
var NzCascaderService = /** @class */ (function () {
function NzCascaderService() {
/**
* Activated options in each column.
*/
this.activatedOptions = [];
/**
* An array to store cascader items arranged in different layers.
*/
this.columns = [[]];
/**
* If user has entered searching mode.
*/
this.inSearchingMode = false;
/**
* Selected options would be output to user.
*/
this.selectedOptions = [];
this.values = []; // tslint:disable-line:no-any
// tslint:disable-line:no-any
this.$loading = new rxjs.BehaviorSubject(false);
/**
* Emit an event to notify cascader it needs to redraw because activated or
* selected options are changed.
*/
this.$redraw = new rxjs.Subject();
/**
* Emit an event when an option gets selected.
* Emit true if a leaf options is selected.
*/
this.$optionSelected = new rxjs.Subject();
/**
* Emit an event to notify cascader it needs to quit searching mode.
* Only emit when user do select a searching option.
*/
this.$quitSearching = new rxjs.Subject();
/**
* To hold columns before entering searching mode.
*/
this.columnsSnapshot = [[]];
/**
* To hold activated options before entering searching mode.
*/
this.activatedOptionsSnapshot = [];
}
Object.defineProperty(NzCascaderService.prototype, "nzOptions", {
/** Return cascader options in the first layer. */
get: /**
* Return cascader options in the first layer.
* @return {?}
*/
function () {
return this.columns[0];
},
enumerable: true,
configurable: true
});
/**
* @return {?}
*/
NzCascaderService.prototype.ngOnDestroy = /**
* @return {?}
*/
function () {
this.$redraw.complete();
this.$quitSearching.complete();
this.$optionSelected.complete();
this.$loading.complete();
};
/**
* Make sure that value matches what is displayed in the dropdown.
*/
/**
* Make sure that value matches what is displayed in the dropdown.
* @param {?=} first
* @return {?}
*/
NzCascaderService.prototype.syncOptions = /**
* Make sure that value matches what is displayed in the dropdown.
* @param {?=} first
* @return {?}
*/
function (first) {
var _this = this;
if (first === void 0) { first = false; }
/** @type {?} */
var values = this.values;
/** @type {?} */
var hasValue = values && values.length;
/** @type {?} */
var lastColumnIndex = values.length - 1;
/** @type {?} */
var initColumnWithIndex = (/**
* @param {?} columnIndex
* @return {?}
*/
function (columnIndex) {
/** @type {?} */
var activatedOptionSetter = (/**
* @return {?}
*/
function () {
var _a;
/** @type {?} */
var currentValue = values[columnIndex];
if (!core$1.isNotNil(currentValue)) {
_this.$redraw.next();
return;
}
/** @type {?} */
var option = _this.findOptionWithValue(columnIndex, values[columnIndex]) ||
(typeof currentValue === 'object'
? currentValue
: (_a = {},
_a["" + _this.cascaderComponent.nzValueProperty] = currentValue,
_a["" + _this.cascaderComponent.nzLabelProperty] = currentValue,
_a));
_this.setOptionActivated(option, columnIndex, false, false);
if (columnIndex < lastColumnIndex) {
initColumnWithIndex(columnIndex + 1);
}
else {
_this.dropBehindColumns(columnIndex);
_this.selectedOptions = __spread(_this.activatedOptions);
_this.$redraw.next();
}
});
if (_this.isLoaded(columnIndex) || !_this.cascaderComponent.nzLoadData) {
activatedOptionSetter();
}
else {
/** @type {?} */
var option = _this.activatedOptions[columnIndex - 1] || {};
_this.loadChildren(option, columnIndex - 1, activatedOptionSetter);
}
});
this.activatedOptions = [];
this.selectedOptions = [];
if (first && this.cascaderComponent.nzLoadData && !hasValue) {
// Should also notify the component that value changes. Fix #3480.
this.$redraw.next();
return;
}
else {
initColumnWithIndex(0);
}
};
/**
* Bind cascader component so this service could use inputs.
*/
/**
* Bind cascader component so this service could use inputs.
* @param {?} cascaderComponent
* @return {?}
*/
NzCascaderService.prototype.withComponent = /**
* Bind cascader component so this service could use inputs.
* @param {?} cascaderComponent
* @return {?}
*/
function (cascaderComponent) {
this.cascaderComponent = cascaderComponent;
};
/**
* Reset all options. Rebuild searching options if in searching mode.
*/
/**
* Reset all options. Rebuild searching options if in searching mode.
* @param {?} options
* @return {?}
*/
NzCascaderService.prototype.withOptions = /**
* Reset all options. Rebuild searching options if in searching mode.
* @param {?} options
* @return {?}
*/
function (options) {
this.columnsSnapshot = this.columns = options && options.length ? [options] : [];
if (this.inSearchingMode) {
this.prepareSearchOptions(this.cascaderComponent.inputValue);
}
else if (this.columns.length) {
this.syncOptions();
}
};
/**
* Try to set a option as activated.
* @param option Cascader option
* @param columnIndex Of which column this option is in
* @param performSelect Select
* @param loadingChildren Try to load children asynchronously.
*/
/**
* Try to set a option as activated.
* @param {?} option Cascader option
* @param {?} columnIndex Of which column this option is in
* @param {?=} performSelect Select
* @param {?=} loadingChildren Try to load children asynchronously.
* @return {?}
*/
NzCascaderService.prototype.setOptionActivated = /**
* Try to set a option as activated.
* @param {?} option Cascader option
* @param {?} columnIndex Of which column this option is in
* @param {?=} performSelect Select
* @param {?=} loadingChildren Try to load children asynchronously.
* @return {?}
*/
function (option, columnIndex, performSelect, loadingChildren) {
if (performSelect === void 0) { performSelect = false; }
if (loadingChildren === void 0) { loadingChildren = true; }
if (option.disabled) {
return;
}
this.activatedOptions[columnIndex] = option;
this.trackAncestorActivatedOptions(columnIndex);
this.dropBehindActivatedOptions(columnIndex);
/** @type {?} */
var isParent = isParentOption(option);
if (isParent) {
// Parent option that has children.
this.setColumnData((/** @type {?} */ (option.children)), columnIndex + 1, option);
}
else if (!option.isLeaf && loadingChildren) {
// Parent option that should try to load children asynchronously.
this.loadChildren(option, columnIndex);
}
else if (option.isLeaf) {
// Leaf option.
this.dropBehindColumns(columnIndex);
}
// Actually perform selection to make an options not only activated but also selected.
if (performSelect) {
this.setOptionSelected(option, columnIndex);
}
this.$redraw.next();
};
/**
* @param {?} option
* @param {?} index
* @return {?}
*/
NzCascaderService.prototype.setOptionSelected = /**
* @param {?} option
* @param {?} index
* @return {?}
*/
function (option, index) {
/** @type {?} */
var changeOn = this.cascaderComponent.nzChangeOn;
/** @type {?} */
var shouldPerformSelection = (/**
* @param {?} o
* @param {?} i
* @return {?}
*/
function (o, i) {
return typeof changeOn === 'function' ? changeOn(o, i) : false;
});
if (option.isLeaf || this.cascaderComponent.nzChangeOnSelect || shouldPerformSelection(option, index)) {
this.selectedOptions = __spread(this.activatedOptions);
this.prepareEmitValue();
this.$redraw.next();
this.$optionSelected.next({ option: option, index: index });
}
};
/**
* @param {?} column
* @return {?}
*/
NzCascaderService.prototype.setOptionDeactivatedSinceColumn = /**
* @param {?} column
* @return {?}
*/
function (column) {
this.dropBehindActivatedOptions(column - 1);
this.dropBehindColumns(column);
this.$redraw.next();
};
/**
* Set a searching option as selected, finishing up things.
* @param option
*/
/**
* Set a searching option as selected, finishing up things.
* @param {?} option
* @return {?}
*/
NzCascaderService.prototype.setSearchOptionSelected = /**
* Set a searching option as selected, finishing up things.
* @param {?} option
* @return {?}
*/
function (option) {
var _this = this;
this.activatedOptions = [option];
this.selectedOptions = __spread(option.path);
this.prepareEmitValue();
this.$redraw.next();
this.$optionSelected.next({ option: option, index: 0 });
setTimeout((/**
* @return {?}
*/
function () {
// Reset data and tell UI only to remove input and reset dropdown width style.
_this.$quitSearching.next();
_this.$redraw.next();
_this.inSearchingMode = false;
_this.columns = __spread(_this.columnsSnapshot);
_this.activatedOptions = __spread(_this.selectedOptions);
}), 200);
};
/**
* Filter cascader options to reset `columns`.
* @param searchValue The string user wants to search.
*/
/**
* Filter cascader options to reset `columns`.
* @param {?} searchValue The string user wants to search.
* @return {?}
*/
NzCascaderService.prototype.prepareSearchOptions = /**
* Filter cascader options to reset `columns`.
* @param {?} searchValue The string user wants to search.
* @return {?}
*/
function (searchValue) {
var _this = this;
/** @type {?} */
var results = [];
// Search results only have one layer.
/** @type {?} */
var path = [];
/** @type {?} */
var defaultFilter = (/**
* @param {?} i
* @param {?} p
* @return {?}
*/
function (i, p) {
return p.some((/**
* @param {?} o
* @return {?}
*/
function (o) {
/** @type {?} */
var label = _this.getOptionLabel(o);
return !!label && label.indexOf(i) !== -1;
}));
});
/** @type {?} */
var showSearch = this.cascaderComponent.nzShowSearch;
/** @type {?} */
var filter = isShowSearchObject(showSearch) && showSearch.filter ? showSearch.filter : defaultFilter;
/** @type {?} */
var sorter = isShowSearchObject(showSearch) && showSearch.sorter ? showSearch.sorter : null;
/** @type {?} */
var loopChild = (/**
* @param {?} node
* @param {?=} forceDisabled
* @return {?}
*/
function (node, forceDisabled) {
var _a;
if (forceDisabled === void 0) { forceDisabled = false; }
path.push(node);
/** @type {?} */
var cPath = Array.from(path);
if (filter(searchValue, cPath)) {
/** @type {?} */
var disabled = forceDisabled || node.disabled;
/** @type {?} */
var option = (_a = {
disabled: disabled,
isLeaf: true,
path: cPath
},
_a[_this.cascaderComponent.nzLabelProperty] = cPath.map((/**
* @param {?} p
* @return {?}
*/
function (p) { return _this.getOptionLabel(p); })).join(' / '),
_a);
results.push(option);
}
path.pop();
});
/** @type {?} */
var loopParent = (/**
* @param {?} node
* @param {?=} forceDisabled
* @return {?}
*/
function (node, forceDisabled) {
if (forceDisabled === void 0) { forceDisabled = false; }
/** @type {?} */
var disabled = forceDisabled || node.disabled;
path.push(node);
(/** @type {?} */ (node.children)).forEach((/**
* @param {?} sNode
* @return {?}
*/
function (sNode) {
if (!sNode.parent) {
sNode.parent = node;
}
if (!sNode.isLeaf) {
loopParent(sNode, disabled);
}
if (sNode.isLeaf || !sNode.children || !sNode.children.length) {
loopChild(sNode, disabled);
}
}));
path.pop();
});
if (!this.columnsSnapshot.length) {
this.columns = [[]];
return;
}
this.columnsSnapshot[0].forEach((/**
* @param {?} o
* @return {?}
*/
function (o) { return (isChildOption(o) ? loopChild(o) : loopParent(o)); }));
if (sorter) {
results.sort((/**
* @param {?} a
* @param {?} b
* @return {?}
*/
function (a, b) { return sorter(a.path, b.path, searchValue); }));
}
this.columns = [results];
};
/**
* Toggle searching mode by UI. It deals with things not directly related to UI.
* @param toSearching If this cascader is entering searching mode
*/
/**
* Toggle searching mode by UI. It deals with things not directly related to UI.
* @param {?} toSearching If this cascader is entering searching mode
* @return {?}
*/
NzCascaderService.prototype.toggleSearchingMode = /**
* Toggle searching mode by UI. It deals with things not directly related to UI.
* @param {?} toSearching If this cascader is entering searching mode
* @return {?}
*/
function (toSearching) {
this.inSearchingMode = toSearching;
if (toSearching) {
this.activatedOptionsSnapshot = __spread(this.activatedOptions);
this.activatedOptions = [];
this.selectedOptions = [];
this.$redraw.next();
}
else {
// User quit searching mode without selecting an option.
this.activatedOptions = __spread(this.activatedOptionsSnapshot);
this.selectedOptions = __spread(this.activatedOptions);
this.columns = __spread(this.columnsSnapshot);
this.syncOptions();
this.$redraw.next();
}
};
/**
* Clear selected options.
*/
/**
* Clear selected options.
* @return {?}
*/
NzCascaderService.prototype.clear = /**
* Clear selected options.
* @return {?}
*/
function () {
this.values = [];
this.selectedOptions = [];
this.activatedOptions = [];
this.dropBehindColumns(0);
this.prepareEmitValue();
this.$redraw.next();
this.$optionSelected.next(null);
};
/**
* @param {?} o
* @return {?}
*/
NzCascaderService.prototype.getOptionLabel = /**
* @param {?} o
* @return {?}
*/
function (o) {
return (/** @type {?} */ (o[this.cascaderComponent.nzLabelProperty || 'label']));
};
// tslint:disable-next-line:no-any
// tslint:disable-next-line:no-any
/**
* @param {?} o
* @return {?}
*/
NzCascaderService.prototype.getOptionValue =
// tslint:disable-next-line:no-any
/**
* @param {?} o
* @return {?}
*/
function (o) {
return o[this.cascaderComponent.nzValueProperty || 'value'];
};
/**
* Try to insert options into a column.
* @param options Options to insert
* @param columnIndex Position
*/
/**
* Try to insert options into a column.
* @private
* @param {?} options Options to insert
* @param {?} columnIndex Position
* @param {?} parent
* @return {?}
*/
NzCascaderService.prototype.setColumnData = /**
* Try to insert options into a column.
* @private
* @param {?} options Options to insert
* @param {?} columnIndex Position
* @param {?} parent
* @return {?}
*/
function (options, columnIndex, parent) {
/** @type {?} */
var existingOptions = this.columns[columnIndex];
if (!core$1.arraysEqual(existingOptions, options)) {
options.forEach((/**
* @param {?} o
* @return {?}
*/
function (o) { return (o.parent = parent); }));
this.columns[columnIndex] = options;
this.dropBehindColumns(columnIndex);
}
};
/**
* Set all ancestor options as activated.
*/
/**
* Set all ancestor options as activated.
* @private
* @param {?} startIndex
* @return {?}
*/
NzCascaderService.prototype.trackAncestorActivatedOptions = /**
* Set all ancestor options as activated.
* @private
* @param {?} startIndex
* @return {?}
*/
function (startIndex) {
for (var i = startIndex - 1; i >= 0; i--) {
if (!this.activatedOptions[i]) {
this.activatedOptions[i] = (/** @type {?} */ (this.activatedOptions[i + 1].parent));
}
}
};
/**
* @private
* @param {?} lastReserveIndex
* @return {?}
*/
NzCascaderService.prototype.dropBehindActivatedOptions = /**
* @private
* @param {?} lastReserveIndex
* @return {?}
*/
function (lastReserveIndex) {
this.activatedOptions = this.activatedOptions.splice(0, lastReserveIndex + 1);
};
/**
* @private
* @param {?} lastReserveIndex
* @return {?}
*/
NzCascaderService.prototype.dropBehindColumns = /**
* @private
* @param {?} lastReserveIndex
* @return {?}
*/
function (lastReserveIndex) {
if (lastReserveIndex < this.columns.length - 1) {
this.columns = this.columns.slice(0, lastReserveIndex + 1);
}
};
/**
* Load children of an option asynchronously.
*/
/**
* Load children of an option asynchronously.
* @param {?} option
* @param {?} columnIndex
* @param {?=} success
* @param {?=} failure
* @return {?}
*/
NzCascaderService.prototype.loadChildren = /**
* Load children of an option asynchronously.
* @param {?} option
* @param {?} columnIndex
* @param {?=} success
* @param {?=} failure
* @return {?}
*/
function (option, // tslint:disable-line:no-any
columnIndex, success, failure) {
var _this = this;
/** @type {?} */
var loadFn = this.cascaderComponent.nzLoadData;
if (loadFn) {
// If there isn't any option in columns.
this.$loading.next(columnIndex < 0);
if (typeof option === 'object') {
option.loading = true;
}
loadFn(option, columnIndex).then((/**
* @return {?}
*/
function () {
option.loading = false;
if (option.children) {
_this.setColumnData(option.children, columnIndex + 1, option);
}
if (success) {
success();
}
_this.$loading.next(false);
_this.$redraw.next();
}), (/**
* @return {?}
*/
function () {
option.loading = false;
option.isLeaf = true;
if (failure) {
failure();
}
_this.$redraw.next();
}));
}
};
/**
* @private
* @param {?} index
* @return {?}
*/
NzCascaderService.prototype.isLoaded = /**
* @private
* @param {?} index
* @return {?}
*/
function (index) {
return this.columns[index] && this.columns[index].length > 0;
};
/**
* Find a option that has a given value in a given column.
*/
/**
* Find a option that has a given value in a given column.
* @private
* @param {?} columnIndex
* @param {?} value
* @return {?}
*/
NzCascaderService.prototype.findOptionWithValue = /**
* Find a option that has a given value in a given column.
* @private
* @param {?} columnIndex
* @param {?} value
* @return {?}
*/
function (columnIndex, value // tslint:disable-line:no-any
) {
var _this = this;
/** @type {?} */
var targetColumn = this.columns[columnIndex];
if (targetColumn) {
/** @type {?} */
var v_1 = typeof value === 'object' ? this.getOptionValue(value) : value;
return (/** @type {?} */ (targetColumn.find((/**
* @param {?} o
* @return {?}
*/
function (o) { return v_1 === _this.getOptionValue(o); }))));
}
return null;
};
/**
* @private
* @return {?}
*/
NzCascaderService.prototype.prepareEmitValue = /**
* @private
* @return {?}
*/
function () {
var _this = this;
this.values = this.selectedOptions.map((/**
* @param {?} o
* @return {?}
*/
function (o) { return _this.getOptionValue(o); }));
};
NzCascaderService.decorators = [
{ type: core.Injectable }
];
return NzCascaderService;
}());
if (false) {
/**
* Activated options in each column.
* @type {?}
*/
NzCascaderService.prototype.activatedOptions;
/**
* An array to store cascader items arranged in different layers.
* @type {?}
*/
NzCascaderService.prototype.columns;
/**
* If user has entered searching mode.
* @type {?}
*/
NzCascaderService.prototype.inSearchingMode;
/**
* Selected options would be output to user.
* @type {?}
*/
NzCascaderService.prototype.selectedOptions;
/** @type {?} */
NzCascaderService.prototype.values;
/** @type {?} */
NzCascaderService.prototype.$loading;
/**
* Emit an event to notify cascader it needs to redraw because activated or
* selected options are changed.
* @type {?}
*/
NzCascaderService.prototype.$redraw;
/**
* Emit an event when an option gets selected.
* Emit true if a leaf options is selected.
* @type {?}
*/
NzCascaderService.prototype.$optionSelected;
/**
* Emit an event to notify cascader it needs to quit searching mode.
* Only emit when user do select a searching option.
* @type {?}
*/
NzCascaderService.prototype.$quitSearching;
/**
* To hold columns before entering searching mode.
* @type {?}
* @private
*/
NzCascaderService.prototype.columnsSnapshot;
/**
* To hold activated options before entering searching mode.
* @type {?}
* @private
*/
NzCascaderService.prototype.activatedOptionsSnapshot;
/**
* @type {?}
* @private
*/
NzCascaderService.prototype.cascaderComponent;
}
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
/** @type {?} */
var defaultDisplayRender = (/**
* @param {?} labels
* @return {?}
*/
function (labels) { return labels.join(' / '); });
var ɵ0 = defaultDisplayRender;
var NzCascaderComponent = /** @class */ (function () {
function NzCascaderComponent(cascaderService, i18nService, nzConfigService, cdr, elementRef, renderer, noAnimation) {
this.cascaderService = cascaderService;
this.i18nService = i18nService;
this.nzConfigService = nzConfigService;
this.cdr = cdr;
this.noAnimation = noAnimation;
this.nzOptionRender = null;
this.nzShowInput = true;
this.nzShowArrow = true;
this.nzAllowClear = true;
this.nzAutoFocus = false;
this.nzChangeOnSelect = false;
this.nzDisabled = false;
this.nzExpandTrigger = 'click';
this.nzValueProperty = 'value';
this.nzLabelProperty = 'label';
this.nzMouseEnterDelay = 150; // ms
// ms
this.nzMouseLeaveDelay = 150; // ms
// ms
this.nzTriggerAction = (/** @type {?} */ (['click']));
this.nzVisibleChange = new core.EventEmitter();
this.nzSelectionChange = new core.EventEmitter();
/**
* @deprecated 9.0.0. This api is a duplication of `ngModelChange`.
*/
this.nzSelect = new core.EventEmitter();
this.nzClear = new core.EventEmitter();
this.dropDownPosition = 'bottom';
this.menuVisible = false;
this.isLoading = false;
this.labelRenderContext = {};
this.onChange = Function.prototype;
this.onTouched = Function.prototype;
this.positions = __spread(core$1.DEFAULT_DROPDOWN_POSITIONS);
this.isFocused = false;
this.$destroy = new rxjs.Subject();
this.inputString = '';
this.isOpening = false;
this.el = elementRef.nativeElement;
this.cascaderService.withComponent(this);
renderer.addClass(elementRef.nativeElement, 'ant-cascader');
renderer.addClass(elementRef.nativeElement, 'ant-cascader-picker');
}
Object.defineProperty(NzCascaderComponent.prototype, "nzOptions", {
get:
// tslint:disable-line:no-any
/**
* @return {?}
*/
function () {
return this.cascaderService.nzOptions;
},