ng-zorro-antd
Version:
An enterprise-class UI components based on Ant Design and Angular
1,374 lines • 113 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
import * as tslib_1 from "tslib";
import { BACKSPACE, DOWN_ARROW, ENTER, ESCAPE, LEFT_ARROW, RIGHT_ARROW, UP_ARROW } from '@angular/cdk/keycodes';
import { CdkConnectedOverlay } from '@angular/cdk/overlay';
import { forwardRef, ChangeDetectionStrategy, ChangeDetectorRef, Component, ElementRef, EventEmitter, Host, HostListener, Input, Optional, Output, QueryList, Renderer2, TemplateRef, ViewChild, ViewChildren, ViewEncapsulation } from '@angular/core';
import { NG_VALUE_ACCESSOR } from '@angular/forms';
import { slideMotion } from '../core/animation/slide';
import { NzNoAnimationDirective } from '../core/no-animation/nz-no-animation.directive';
import { DEFAULT_CASCADER_POSITIONS } from '../core/overlay/overlay-position';
import { arraysEqual, toArray } from '../core/util/array';
import { InputBoolean } from '../core/util/convert';
import { NzCascaderOptionComponent } from './nz-cascader-li.component';
/** @type {?} */
const defaultDisplayRender = (/**
* @param {?} label
* @return {?}
*/
label => label.join(' / '));
const ɵ0 = defaultDisplayRender;
export class NzCascaderComponent {
/**
* @param {?} elementRef
* @param {?} cdr
* @param {?} renderer
* @param {?=} noAnimation
*/
constructor(elementRef, cdr, renderer, noAnimation) {
this.elementRef = elementRef;
this.cdr = cdr;
this.noAnimation = noAnimation;
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.nzSize = 'default';
this.nzPlaceHolder = 'Please select';
this.nzMouseEnterDelay = 150; // ms
// ms
this.nzMouseLeaveDelay = 150; // ms
// ms
this.nzTriggerAction = (/** @type {?} */ (['click']));
this.nzSelectionChange = new EventEmitter();
this.nzSelect = new EventEmitter();
this.nzClear = new EventEmitter();
this.nzVisibleChange = new EventEmitter(); // Not exposed, only for test
// Not exposed, only for test
this.nzChange = new EventEmitter(); // Not exposed, only for test
// Not exposed, only for test
this.el = this.elementRef.nativeElement;
this.dropDownPosition = 'bottom';
this.menuVisible = false;
this.isLoading = false;
this.labelRenderContext = {};
this.columns = [];
this.onChange = Function.prototype;
this.onTouched = Function.prototype;
this.positions = [...DEFAULT_CASCADER_POSITIONS];
this.isSearching = false;
this.isFocused = false;
this.isOpening = false;
this.selectedOptions = [];
this.activatedOptions = [];
this._inputValue = '';
renderer.addClass(elementRef.nativeElement, 'ant-cascader');
renderer.addClass(elementRef.nativeElement, 'ant-cascader-picker');
}
/**
* @return {?}
*/
get nzOptions() {
return this.columns[0];
}
/**
* @param {?} options
* @return {?}
*/
set nzOptions(options) {
this.columnsSnapshot = this.columns = options && options.length ? [options] : [];
if (!this.isSearching) {
if (this.defaultValue && this.columns.length) {
this.initOptions(0);
}
}
else {
this.prepareSearchValue();
}
}
/**
* @param {?} inputValue
* @return {?}
*/
set inputValue(inputValue) {
this._inputValue = inputValue;
this.toggleSearchMode();
}
/**
* @return {?}
*/
get inputValue() {
return this._inputValue;
}
/**
* @return {?}
*/
get menuCls() {
return {
[`${this.nzMenuClassName}`]: !!this.nzMenuClassName
};
}
/**
* @return {?}
*/
get menuColumnCls() {
return {
[`${this.nzColumnClassName}`]: !!this.nzColumnClassName
};
}
//#region Menu
/**
* @param {?} visible
* @param {?} delay
* @param {?=} setOpening
* @return {?}
*/
delaySetMenuVisible(visible, delay, setOpening = false) {
this.clearDelayMenuTimer();
if (delay) {
if (visible && setOpening) {
this.isOpening = true;
}
this.delayMenuTimer = setTimeout((/**
* @return {?}
*/
() => {
this.setMenuVisible(visible);
this.cdr.detectChanges();
this.clearDelayMenuTimer();
if (visible) {
setTimeout((/**
* @return {?}
*/
() => {
this.isOpening = false;
}), 100);
}
}), delay);
}
else {
this.setMenuVisible(visible);
}
}
/**
* @param {?} visible
* @return {?}
*/
setMenuVisible(visible) {
if (this.nzDisabled) {
return;
}
if (this.menuVisible !== visible) {
this.menuVisible = visible;
this.cdr.detectChanges();
if (visible) {
this.loadRootOptions();
}
this.nzVisibleChange.emit(visible);
}
}
/**
* @private
* @return {?}
*/
clearDelayMenuTimer() {
if (this.delayMenuTimer) {
clearTimeout(this.delayMenuTimer);
this.delayMenuTimer = null;
}
}
/**
* @private
* @return {?}
*/
loadRootOptions() {
if (!this.columns.length) {
/** @type {?} */
const root = {};
this.loadChildrenAsync(root, -1);
}
}
//#endregion
//#region Init
/**
* @private
* @param {?} index
* @return {?}
*/
isLoaded(index) {
return this.columns[index] && this.columns[index].length > 0;
}
/**
* @private
* @param {?} option
* @param {?} index
* @return {?}
*/
findOption(option, index) {
/** @type {?} */
const options = this.columns[index];
if (options) {
/** @type {?} */
const value = typeof option === 'object' ? this.getOptionValue(option) : option;
return options.find((/**
* @param {?} o
* @return {?}
*/
o => value === this.getOptionValue(o)));
}
return null;
}
// tslint:disable-next-line:no-any
/**
* @private
* @param {?} index
* @param {?} value
* @return {?}
*/
activateOnInit(index, value) {
/** @type {?} */
let option = this.findOption(value, index);
if (!option) {
option = typeof value === 'object' ? value : {
[`${this.nzValueProperty}`]: value,
[`${this.nzLabelProperty}`]: value
};
}
this.setOptionActivated(option, index, false, false);
}
/**
* @private
* @param {?} index
* @return {?}
*/
initOptions(index) {
/** @type {?} */
const vs = this.defaultValue;
/** @type {?} */
const lastIndex = vs.length - 1;
/** @type {?} */
const load = (/**
* @return {?}
*/
() => {
this.activateOnInit(index, vs[index]);
if (index < lastIndex) {
this.initOptions(index + 1);
}
if (index === lastIndex) {
this.afterWriteValue();
}
});
if (this.isLoaded(index) || !this.nzLoadData) {
load();
}
else {
/** @type {?} */
const node = this.activatedOptions[index - 1] || {};
this.loadChildrenAsync(node, index - 1, load, this.afterWriteValue);
}
}
//#endregion
//#region Mutating data
/**
* @private
* @param {?} option
* @param {?} columnIndex
* @param {?=} select
* @param {?=} loadChildren
* @return {?}
*/
setOptionActivated(option, columnIndex, select = false, loadChildren = true) {
if (!option || option.disabled) {
return;
}
this.activatedOptions[columnIndex] = option;
// Set parent option and all ancestor options as active.
for (let i = columnIndex - 1; i >= 0; i--) {
if (!this.activatedOptions[i]) {
this.activatedOptions[i] = this.activatedOptions[i + 1].parent;
}
}
// Set child options and all success options as inactive.
if (columnIndex < this.activatedOptions.length - 1) {
this.activatedOptions = this.activatedOptions.slice(0, columnIndex + 1);
}
// Load child options.
if (option.children && option.children.length && !option.isLeaf) {
option.children.forEach((/**
* @param {?} child
* @return {?}
*/
child => child.parent = option));
this.setColumnData(option.children, columnIndex + 1);
}
else if (!option.isLeaf && loadChildren) {
this.loadChildrenAsync(option, columnIndex);
}
if (select) {
this.setOptionSelected(option, columnIndex);
}
this.cdr.detectChanges();
this.reposition();
}
/**
* @private
* @param {?} option
* @param {?} columnIndex
* @param {?=} success
* @param {?=} failure
* @return {?}
*/
loadChildrenAsync(option, columnIndex, success, failure) {
if (this.nzLoadData) {
this.isLoading = columnIndex < 0;
option.loading = true;
this.nzLoadData(option, columnIndex).then((/**
* @return {?}
*/
() => {
if (option.children) {
option.children.forEach((/**
* @param {?} child
* @return {?}
*/
child => child.parent = columnIndex < 0 ? undefined : option));
this.setColumnData(option.children, columnIndex + 1);
}
if (success) {
success();
}
option.loading = this.isLoading = false; // Need to check children.
this.checkChildren();
// Reposition in the next tick, because we use markForCheck above.
Promise.resolve().then((/**
* @return {?}
*/
() => this.reposition()));
}), (/**
* @return {?}
*/
() => {
option.loading = this.isLoading = false;
option.isLeaf = true;
this.cdr.detectChanges();
if (failure) {
failure();
}
}));
}
}
/**
* @private
* @param {?} option
* @param {?} columnIndex
* @return {?}
*/
setOptionSelected(option, columnIndex) {
/** @type {?} */
const shouldPerformSelection = (/**
* @param {?} o
* @param {?} i
* @return {?}
*/
(o, i) => {
return typeof this.nzChangeOn === 'function' ? this.nzChangeOn(o, i) === true : false;
});
this.nzSelect.emit({ option, index: columnIndex });
if (option.isLeaf || this.nzChangeOnSelect || shouldPerformSelection(option, columnIndex)) {
this.selectedOptions = this.activatedOptions;
this.buildDisplayLabel();
this.onValueChange();
}
if (option.isLeaf) {
this.delaySetMenuVisible(false, this.nzMouseLeaveDelay);
}
}
/**
* @private
* @param {?} options
* @param {?} columnIndex
* @return {?}
*/
setColumnData(options, columnIndex) {
if (!arraysEqual(this.columns[columnIndex], options)) {
this.columns[columnIndex] = options;
if (columnIndex < this.columns.length - 1) {
this.columns = this.columns.slice(0, columnIndex + 1);
}
}
}
/**
* @param {?=} event
* @return {?}
*/
clearSelection(event) {
if (event) {
event.preventDefault();
event.stopPropagation();
}
this.labelRenderText = '';
this.labelRenderContext = {};
this.selectedOptions = [];
this.activatedOptions = [];
this.inputValue = '';
this.setMenuVisible(false);
this.onValueChange();
}
// tslint:disable-next-line:no-any
/**
* @return {?}
*/
getSubmitValue() {
/** @type {?} */
const values = [];
this.selectedOptions.forEach((/**
* @param {?} option
* @return {?}
*/
option => {
values.push(this.getOptionValue(option));
}));
return values;
}
/**
* @private
* @return {?}
*/
onValueChange() {
/** @type {?} */
const value = this.getSubmitValue();
if (!arraysEqual(this.value, value)) {
this.defaultValue = null;
this.value = value;
this.onChange(value);
if (value.length === 0) {
this.nzClear.emit();
}
this.nzSelectionChange.emit(this.selectedOptions);
this.nzChange.emit(value);
}
}
/**
* @return {?}
*/
afterWriteValue() {
this.selectedOptions = this.activatedOptions;
this.value = this.getSubmitValue();
this.buildDisplayLabel();
}
//#endregion
//#region Mouse and keyboard event handles, view children
/**
* @return {?}
*/
focus() {
if (!this.isFocused) {
(this.input ? this.input.nativeElement : this.el).focus();
this.isFocused = true;
}
}
/**
* @return {?}
*/
blur() {
if (this.isFocused) {
(this.input ? this.input.nativeElement : this.el).blur();
this.isFocused = false;
}
}
/**
* @return {?}
*/
handleInputBlur() {
this.menuVisible ? this.focus() : this.blur();
}
/**
* @return {?}
*/
handleInputFocus() {
this.focus();
}
/**
* @param {?} event
* @return {?}
*/
onKeyDown(event) {
/** @type {?} */
const keyCode = event.keyCode;
if (keyCode !== DOWN_ARROW &&
keyCode !== UP_ARROW &&
keyCode !== LEFT_ARROW &&
keyCode !== RIGHT_ARROW &&
keyCode !== ENTER &&
keyCode !== BACKSPACE &&
keyCode !== ESCAPE) {
return;
}
// Press any keys above to reopen menu.
if (!this.menuVisible && keyCode !== BACKSPACE && keyCode !== ESCAPE) {
return this.setMenuVisible(true);
}
// Make these keys work as default in searching mode.
if (this.isSearching && (keyCode === BACKSPACE || keyCode === LEFT_ARROW || keyCode === RIGHT_ARROW)) {
return;
}
// Interact with the component.
if (this.menuVisible) {
event.preventDefault();
if (keyCode === DOWN_ARROW) {
this.moveUpOrDown(false);
}
else if (keyCode === UP_ARROW) {
this.moveUpOrDown(true);
}
else if (keyCode === LEFT_ARROW) {
this.moveLeft();
}
else if (keyCode === RIGHT_ARROW) {
this.moveRight();
}
else if (keyCode === ENTER) {
this.onEnter();
}
}
}
/**
* @return {?}
*/
onTriggerClick() {
if (this.nzDisabled) {
return;
}
if (this.nzShowSearch) {
this.focus();
}
if (this.isActionTrigger('click')) {
this.delaySetMenuVisible(!this.menuVisible, 100);
}
this.onTouched();
}
/**
* @return {?}
*/
onTriggerMouseEnter() {
if (this.nzDisabled) {
return;
}
if (this.isActionTrigger('hover')) {
this.delaySetMenuVisible(true, this.nzMouseEnterDelay, true);
}
}
/**
* @param {?} event
* @return {?}
*/
onTriggerMouseLeave(event) {
if (this.nzDisabled) {
return;
}
if (!this.menuVisible || this.isOpening) {
event.preventDefault();
return;
}
if (this.isActionTrigger('hover')) {
/** @type {?} */
const mouseTarget = (/** @type {?} */ (event.relatedTarget));
/** @type {?} */
const hostEl = this.el;
/** @type {?} */
const menuEl = this.menu && (/** @type {?} */ (this.menu.nativeElement));
if (hostEl.contains(mouseTarget) || (menuEl && menuEl.contains(mouseTarget))) {
return;
}
this.delaySetMenuVisible(false, this.nzMouseLeaveDelay);
}
}
/**
* @private
* @param {?} action
* @return {?}
*/
isActionTrigger(action) {
return typeof this.nzTriggerAction === 'string'
? this.nzTriggerAction === action
: this.nzTriggerAction.indexOf(action) !== -1;
}
/**
* @param {?} option
* @param {?} columnIndex
* @param {?} event
* @return {?}
*/
onOptionClick(option, columnIndex, event) {
if (event) {
event.preventDefault();
}
if (option && option.disabled) {
return;
}
this.el.focus();
this.isSearching
? this.setSearchOptionActivated((/** @type {?} */ (option)), event)
: this.setOptionActivated(option, columnIndex, true);
}
/**
* @private
* @return {?}
*/
onEnter() {
/** @type {?} */
const columnIndex = Math.max(this.activatedOptions.length - 1, 0);
/** @type {?} */
const option = this.activatedOptions[columnIndex];
if (option && !option.disabled) {
this.isSearching
? this.setSearchOptionActivated((/** @type {?} */ (option)), null)
: this.setOptionSelected(option, columnIndex);
}
}
/**
* @private
* @param {?} isUp
* @return {?}
*/
moveUpOrDown(isUp) {
/** @type {?} */
const columnIndex = Math.max(this.activatedOptions.length - 1, 0);
/** @type {?} */
const activeOption = this.activatedOptions[columnIndex];
/** @type {?} */
const options = this.columns[columnIndex] || [];
/** @type {?} */
const length = options.length;
/** @type {?} */
let nextIndex = -1;
if (!activeOption) { // Not selected options in this column
nextIndex = isUp ? length : -1;
}
else {
nextIndex = options.indexOf(activeOption);
}
while (true) {
nextIndex = isUp ? nextIndex - 1 : nextIndex + 1;
if (nextIndex < 0 || nextIndex >= length) {
break;
}
/** @type {?} */
const nextOption = options[nextIndex];
if (!nextOption || nextOption.disabled) {
continue;
}
this.setOptionActivated(nextOption, columnIndex);
break;
}
}
/**
* @private
* @return {?}
*/
moveLeft() {
/** @type {?} */
const options = this.activatedOptions;
if (options.length) {
options.pop(); // Remove the last one
}
}
/**
* @private
* @return {?}
*/
moveRight() {
/** @type {?} */
const length = this.activatedOptions.length;
/** @type {?} */
const options = this.columns[length];
if (options && options.length) {
/** @type {?} */
const nextOpt = options.find((/**
* @param {?} o
* @return {?}
*/
o => !o.disabled));
if (nextOpt) {
this.setOptionActivated(nextOpt, length);
}
}
}
/**
* @param {?} option
* @param {?} columnIndex
* @param {?} event
* @return {?}
*/
onOptionMouseEnter(option, columnIndex, event) {
event.preventDefault();
if (this.nzExpandTrigger === 'hover' && !option.isLeaf) {
this.delaySelectOption(option, columnIndex, true);
}
}
/**
* @param {?} option
* @param {?} columnIndex
* @param {?} event
* @return {?}
*/
onOptionMouseLeave(option, columnIndex, event) {
event.preventDefault();
if (this.nzExpandTrigger === 'hover' && !option.isLeaf) {
this.delaySelectOption(option, columnIndex, false);
}
}
/**
* @private
* @return {?}
*/
clearDelaySelectTimer() {
if (this.delaySelectTimer) {
clearTimeout(this.delaySelectTimer);
this.delaySelectTimer = null;
}
}
/**
* @private
* @param {?} option
* @param {?} index
* @param {?} doSelect
* @return {?}
*/
delaySelectOption(option, index, doSelect) {
this.clearDelaySelectTimer();
if (doSelect) {
this.delaySelectTimer = setTimeout((/**
* @return {?}
*/
() => {
this.setOptionActivated(option, index);
this.delaySelectTimer = null;
}), 150);
}
}
//#endregion
//#region Search
/**
* @private
* @return {?}
*/
toggleSearchMode() {
/** @type {?} */
const willBeInSearch = !!this._inputValue;
// Take a snapshot before entering search mode.
if (!this.isSearching && willBeInSearch) {
this.isSearching = true;
this.activatedOptionsSnapshot = this.activatedOptions;
this.activatedOptions = [];
this.labelRenderText = '';
if (this.input) {
/** @type {?} */
const width = this.input.nativeElement.offsetWidth;
this.dropdownWidthStyle = `${width}px`;
}
}
// Restore the snapshot after leaving search mode.
if (this.isSearching && !willBeInSearch) {
this.isSearching = false;
this.activatedOptions = this.activatedOptionsSnapshot;
this.columns = this.columnsSnapshot;
this.dropdownWidthStyle = '';
if (this.activatedOptions) {
this.buildDisplayLabel();
}
}
if (this.isSearching) {
this.prepareSearchValue();
}
}
/**
* @private
* @return {?}
*/
prepareSearchValue() {
/** @type {?} */
const results = [];
/** @type {?} */
const path = [];
/** @type {?} */
const defaultFilter = (/**
* @param {?} inputValue
* @param {?} p
* @return {?}
*/
(inputValue, p) => {
return p.some((/**
* @param {?} n
* @return {?}
*/
n => {
/** @type {?} */
const label = this.getOptionLabel(n);
return label && label.indexOf(inputValue) !== -1;
}));
});
/** @type {?} */
const filter = this.nzShowSearch instanceof Object && ((/** @type {?} */ (this.nzShowSearch))).filter
? ((/** @type {?} */ (this.nzShowSearch))).filter
: defaultFilter;
/** @type {?} */
const sorter = this.nzShowSearch instanceof Object && ((/** @type {?} */ (this.nzShowSearch))).sorter;
/** @type {?} */
const loopParent = (/**
* @param {?} node
* @param {?=} forceDisabled
* @return {?}
*/
(node, forceDisabled = false) => {
/** @type {?} */
const disabled = forceDisabled || node.disabled;
path.push(node);
node.children.forEach((/**
* @param {?} sNode
* @return {?}
*/
(sNode) => {
if (!sNode.parent) {
sNode.parent = node;
} // Build parent reference when doing searching
if (!sNode.isLeaf) {
loopParent(sNode, disabled);
}
if (sNode.isLeaf || !sNode.children || !sNode.children.length) {
loopChild(sNode, disabled);
}
}));
path.pop();
});
/** @type {?} */
const loopChild = (/**
* @param {?} node
* @param {?=} forceDisabled
* @return {?}
*/
(node, forceDisabled = false) => {
path.push(node);
/** @type {?} */
const cPath = Array.from(path);
if (filter(this._inputValue, cPath)) {
/** @type {?} */
const disabled = forceDisabled || node.disabled;
/** @type {?} */
const option = {
disabled,
isLeaf: true,
path: cPath,
[this.nzLabelProperty]: cPath.map((/**
* @param {?} p
* @return {?}
*/
p => this.getOptionLabel(p))).join(' / ')
};
results.push(option);
}
path.pop();
});
if (!this.columnsSnapshot.length) {
this.columns = [[]];
return;
}
this.columnsSnapshot[0].forEach((/**
* @param {?} node
* @return {?}
*/
node => (node.isLeaf || !node.children || !node.children.length)
? loopChild(node)
: loopParent(node)));
if (sorter) {
results.sort((/**
* @param {?} a
* @param {?} b
* @return {?}
*/
(a, b) => sorter(a.path, b.path, this._inputValue)));
}
this.columns = [results];
}
/**
* @param {?} result
* @param {?} event
* @return {?}
*/
setSearchOptionActivated(result, event) {
this.activatedOptions = [result];
this.delaySetMenuVisible(false, 200);
setTimeout((/**
* @return {?}
*/
() => {
this.inputValue = '';
/** @type {?} */
const index = result.path.length - 1;
/** @type {?} */
const destinationNode = result.path[index];
// NOTE: optimize this.
/** @type {?} */
const mockClickParent = (/**
* @param {?} node
* @param {?} columnIndex
* @return {?}
*/
(node, columnIndex) => {
if (node && node.parent) {
mockClickParent(node.parent, columnIndex - 1);
}
this.onOptionClick(node, columnIndex, event);
});
mockClickParent(destinationNode, index);
}), 300);
}
//#endregion
//#region Helpers
/**
* @private
* @return {?}
*/
get hasInput() {
return !!this.inputValue;
}
/**
* @private
* @return {?}
*/
get hasValue() {
return !!this.value && !!this.value.length;
}
/**
* @return {?}
*/
get showPlaceholder() {
return !(this.hasInput || this.hasValue);
}
/**
* @return {?}
*/
get clearIconVisible() {
return this.nzAllowClear && !this.nzDisabled && (this.hasValue || this.hasInput);
}
/**
* @return {?}
*/
get isLabelRenderTemplate() {
return !!this.nzLabelRender;
}
// tslint:disable-next-line:no-any
/**
* @param {?} option
* @return {?}
*/
getOptionLabel(option) {
return option[this.nzLabelProperty || 'label'];
}
// tslint:disable-next-line:no-any
/**
* @param {?} option
* @return {?}
*/
getOptionValue(option) {
return option[this.nzValueProperty || 'value'];
}
/**
* @param {?} option
* @param {?} index
* @return {?}
*/
isOptionActivated(option, index) {
/** @type {?} */
const activeOpt = this.activatedOptions[index];
return activeOpt === option;
}
/**
* @private
* @return {?}
*/
buildDisplayLabel() {
/** @type {?} */
const selectedOptions = this.selectedOptions;
/** @type {?} */
const labels = selectedOptions.map((/**
* @param {?} o
* @return {?}
*/
o => this.getOptionLabel(o)));
if (this.isLabelRenderTemplate) {
this.labelRenderContext = { labels, selectedOptions };
}
else {
this.labelRenderText = defaultDisplayRender.call(this, labels, selectedOptions);
}
// When components inits with default value, this would make display label appear correctly.
this.cdr.detectChanges();
}
//#endregion
/**
* @param {?} isDisabled
* @return {?}
*/
setDisabledState(isDisabled) {
if (isDisabled) {
this.closeMenu();
}
this.nzDisabled = isDisabled;
}
/**
* @return {?}
*/
closeMenu() {
this.blur();
this.clearDelayMenuTimer();
this.setMenuVisible(false);
}
/**
* @return {?}
*/
ngOnDestroy() {
this.clearDelayMenuTimer();
this.clearDelaySelectTimer();
}
/**
* @param {?} fn
* @return {?}
*/
registerOnChange(fn) {
this.onChange = fn;
}
/**
* @param {?} fn
* @return {?}
*/
registerOnTouched(fn) {
this.onTouched = fn;
}
// tslint:disable-next-line:no-any
/**
* @param {?} value
* @return {?}
*/
writeValue(value) {
/** @type {?} */
const vs = this.defaultValue = toArray(value);
if (vs.length) {
this.initOptions(0);
}
else {
this.value = vs;
this.activatedOptions = [];
this.afterWriteValue();
}
}
/**
* @param {?} position
* @return {?}
*/
onPositionChange(position) {
/** @type {?} */
const newValue = position.connectionPair.originY === 'bottom' ? 'bottom' : 'top';
if (this.dropDownPosition !== newValue) {
this.dropDownPosition = newValue;
this.cdr.detectChanges();
}
}
/**
* Reposition the cascader panel. When a menu opens, the cascader expands
* and may exceed the browser boundary.
* @private
* @return {?}
*/
reposition() {
if (this.overlay && this.overlay.overlayRef && this.menuVisible) {
Promise.resolve().then((/**
* @return {?}
*/
() => {
this.overlay.overlayRef.updatePosition();
}));
}
}
/**
* @private
* @return {?}
*/
checkChildren() {
this.cascaderItems.forEach((/**
* @param {?} item
* @return {?}
*/
item => item.markForCheck()));
}
}
NzCascaderComponent.decorators = [
{ type: Component, args: [{
changeDetection: ChangeDetectionStrategy.OnPush,
encapsulation: ViewEncapsulation.None,
selector: 'nz-cascader,[nz-cascader]',
preserveWhitespaces: false,
template: "<div\n cdkOverlayOrigin\n #origin=\"cdkOverlayOrigin\"\n #trigger>\n <div *ngIf=\"nzShowInput\">\n <input\n #input\n nz-input\n class=\"ant-cascader-input\"\n [class.ant-cascader-input-disabled]=\"nzDisabled\"\n [class.ant-cascader-input-lg]=\"nzSize === 'large'\"\n [class.ant-cascader-input-sm]=\"nzSize === 'small'\"\n [attr.autoComplete]=\"'off'\"\n [attr.placeholder]=\"showPlaceholder ? nzPlaceHolder : null\"\n [attr.autofocus]=\"nzAutoFocus ? 'autofocus' : null\"\n [readonly]=\"!nzShowSearch\"\n [disabled]=\"nzDisabled\"\n [nzSize]=\"nzSize\"\n [(ngModel)]=\"inputValue\"\n (blur)=\"handleInputBlur()\"\n (focus)=\"handleInputFocus()\"\n (change)=\"$event.stopPropagation()\">\n <i *ngIf=\"clearIconVisible\"\n nz-icon\n type=\"close-circle\"\n theme=\"fill\"\n class=\"ant-cascader-picker-clear\"\n (click)=\"clearSelection($event)\"></i>\n <i *ngIf=\"nzShowArrow && !isLoading\"\n nz-icon\n type=\"down\"\n class=\"ant-cascader-picker-arrow\"\n [class.ant-cascader-picker-arrow-expand]=\"menuVisible\">\n </i>\n <i *ngIf=\"isLoading\" nz-icon type=\"loading\" class=\"ant-cascader-picker-arrow\"></i>\n <span\n class=\"ant-cascader-picker-label\"\n [class.ant-cascader-show-search]=\"!!nzShowSearch\"\n [class.ant-focusd]=\"!!nzShowSearch && isFocused && !inputValue\">\n <ng-container *ngIf=\"!isLabelRenderTemplate; else labelTemplate\">{{ labelRenderText }}</ng-container>\n <ng-template #labelTemplate>\n <ng-template [ngTemplateOutlet]=\"nzLabelRender\" [ngTemplateOutletContext]=\"labelRenderContext\"></ng-template>\n </ng-template>\n </span>\n </div>\n <ng-content></ng-content>\n</div>\n<ng-template\n cdkConnectedOverlay\n nzConnectedOverlay\n cdkConnectedOverlayHasBackdrop\n [cdkConnectedOverlayOrigin]=\"origin\"\n [cdkConnectedOverlayPositions]=\"positions\"\n (backdropClick)=\"closeMenu()\"\n (detach)=\"closeMenu()\"\n (positionChange)=\"onPositionChange($event)\"\n [cdkConnectedOverlayOpen]=\"menuVisible\">\n <div\n #menu\n class=\"ant-cascader-menus\"\n *ngIf=\"nzOptions && nzOptions.length || isSearching\"\n [class.ant-cascader-menus-hidden]=\"!menuVisible\"\n [ngClass]=\"menuCls\"\n [ngStyle]=\"nzMenuStyle\"\n [nzNoAnimation]=\"noAnimation?.nzNoAnimation\"\n [@slideMotion]=\"dropDownPosition\"\n (mouseleave)=\"onTriggerMouseLeave($event)\">\n <ul *ngFor=\"let options of columns; let i = index;\" class=\"ant-cascader-menu\"\n [ngClass]=\"menuColumnCls\"\n [style.height]=\"isSearching && !columns[0].length ? 'auto': ''\"\n [style.width]=\"dropdownWidthStyle\">\n <li\n nz-cascader-option\n *ngFor=\"let option of options\"\n [nzLabelProperty]=\"nzLabelProperty\"\n [activated]=\"isOptionActivated(option, i)\"\n [highlightText]=\"isSearching ? inputValue : ''\"\n [option]=\"option\"\n (mouseenter)=\"onOptionMouseEnter(option, i, $event)\"\n (mouseleave)=\"onOptionMouseLeave(option, i, $event)\"\n (click)=\"onOptionClick(option, i, $event)\">\n </li>\n <li *ngIf=\"isSearching && !columns[0].length\"\n class=\"ant-cascader-menu-item ant-cascader-menu-item-expanded ant-cascader-menu-item-disabled\">\n <nz-embed-empty [nzComponentName]=\"'cascader'\" [specificContent]=\"nzNotFoundContent\"></nz-embed-empty>\n </li>\n </ul>\n </div>\n</ng-template>\n",
animations: [slideMotion],
providers: [
{
provide: NG_VALUE_ACCESSOR,
useExisting: forwardRef((/**
* @return {?}
*/
() => NzCascaderComponent)),
multi: true
}
],
host: {
'[attr.tabIndex]': '"0"',
'[class.ant-cascader-lg]': 'nzSize === "large"',
'[class.ant-cascader-sm]': 'nzSize === "small"',
'[class.ant-cascader-picker-disabled]': 'nzDisabled',
'[class.ant-cascader-picker-open]': 'menuVisible',
'[class.ant-cascader-picker-with-value]': '!!inputValue',
'[class.ant-cascader-focused]': 'isFocused'
},
styles: [`
.ant-cascader-menus {
margin-top: 4px;
margin-bottom: 4px;
top: 100%;
left: 0;
position: relative;
width: 100%;
}
`]
}] }
];
/** @nocollapse */
NzCascaderComponent.ctorParameters = () => [
{ type: ElementRef },
{ type: ChangeDetectorRef },
{ type: Renderer2 },
{ type: NzNoAnimationDirective, decorators: [{ type: Host }, { type: Optional }] }
];
NzCascaderComponent.propDecorators = {
input: [{ type: ViewChild, args: ['input',] }],
menu: [{ type: ViewChild, args: ['menu',] }],
overlay: [{ type: ViewChild, args: [CdkConnectedOverlay,] }],
cascaderItems: [{ type: ViewChildren, args: [NzCascaderOptionComponent,] }],
nzShowInput: [{ type: Input }],
nzShowArrow: [{ type: Input }],
nzAllowClear: [{ type: Input }],
nzAutoFocus: [{ type: Input }],
nzChangeOnSelect: [{ type: Input }],
nzDisabled: [{ type: Input }],
nzColumnClassName: [{ type: Input }],
nzExpandTrigger: [{ type: Input }],
nzValueProperty: [{ type: Input }],
nzLabelRender: [{ type: Input }],
nzLabelProperty: [{ type: Input }],
nzNotFoundContent: [{ type: Input }],
nzSize: [{ type: Input }],
nzShowSearch: [{ type: Input }],
nzPlaceHolder: [{ type: Input }],
nzMenuClassName: [{ type: Input }],
nzMenuStyle: [{ type: Input }],
nzMouseEnterDelay: [{ type: Input }],
nzMouseLeaveDelay: [{ type: Input }],
nzTriggerAction: [{ type: Input }],
nzChangeOn: [{ type: Input }],
nzLoadData: [{ type: Input }],
nzOptions: [{ type: Input }],
nzSelectionChange: [{ type: Output }],
nzSelect: [{ type: Output }],
nzClear: [{ type: Output }],
nzVisibleChange: [{ type: Output }],
nzChange: [{ type: Output }],
onKeyDown: [{ type: HostListener, args: ['keydown', ['$event'],] }],
onTriggerClick: [{ type: HostListener, args: ['click',] }],
onTriggerMouseEnter: [{ type: HostListener, args: ['mouseenter',] }],
onTriggerMouseLeave: [{ type: HostListener, args: ['mouseleave', ['$event'],] }]
};
tslib_1.__decorate([
InputBoolean(),
tslib_1.__metadata("design:type", Object)
], NzCascaderComponent.prototype, "nzShowInput", void 0);
tslib_1.__decorate([
InputBoolean(),
tslib_1.__metadata("design:type", Object)
], NzCascaderComponent.prototype, "nzShowArrow", void 0);
tslib_1.__decorate([
InputBoolean(),
tslib_1.__metadata("design:type", Object)
], NzCascaderComponent.prototype, "nzAllowClear", void 0);
tslib_1.__decorate([
InputBoolean(),
tslib_1.__metadata("design:type", Object)
], NzCascaderComponent.prototype, "nzAutoFocus", void 0);
tslib_1.__decorate([
InputBoolean(),
tslib_1.__metadata("design:type", Object)
], NzCascaderComponent.prototype, "nzChangeOnSelect", void 0);
tslib_1.__decorate([
InputBoolean(),
tslib_1.__metadata("design:type", Object)
], NzCascaderComponent.prototype, "nzDisabled", void 0);
if (false) {
/** @type {?} */
NzCascaderComponent.prototype.input;
/** @type {?} */
NzCascaderComponent.prototype.menu;
/** @type {?} */
NzCascaderComponent.prototype.overlay;
/** @type {?} */
NzCascaderComponent.prototype.cascaderItems;
/** @type {?} */
NzCascaderComponent.prototype.nzShowInput;
/** @type {?} */
NzCascaderComponent.prototype.nzShowArrow;
/** @type {?} */
NzCascaderComponent.prototype.nzAllowClear;
/** @type {?} */
NzCascaderComponent.prototype.nzAutoFocus;
/** @type {?} */
NzCascaderComponent.prototype.nzChangeOnSelect;
/** @type {?} */
NzCascaderComponent.prototype.nzDisabled;
/** @type {?} */
NzCascaderComponent.prototype.nzColumnClassName;
/** @type {?} */
NzCascaderComponent.prototype.nzExpandTrigger;
/** @type {?} */
NzCascaderComponent.prototype.nzValueProperty;
/** @type {?} */
NzCascaderComponent.prototype.nzLabelRender;
/** @type {?} */
NzCascaderComponent.prototype.nzLabelProperty;
/** @type {?} */
NzCascaderComponent.prototype.nzNotFoundContent;
/** @type {?} */
NzCascaderComponent.prototype.nzSize;
/** @type {?} */
NzCascaderComponent.prototype.nzShowSearch;
/** @type {?} */
NzCascaderComponent.prototype.nzPlaceHolder;
/** @type {?} */
NzCascaderComponent.prototype.nzMenuClassName;
/** @type {?} */
NzCascaderComponent.prototype.nzMenuStyle;
/** @type {?} */
NzCascaderComponent.prototype.nzMouseEnterDelay;
/** @type {?} */
NzCascaderComponent.prototype.nzMouseLeaveDelay;
/** @type {?} */
NzCascaderComponent.prototype.nzTriggerAction;
/** @type {?} */
NzCascaderComponent.prototype.nzChangeOn;
/** @type {?} */
NzCascaderComponent.prototype.nzLoadData;
/** @type {?} */
NzCascaderComponent.prototype.nzSelectionChange;
/** @type {?} */
NzCascaderComponent.prototype.nzSelect;
/** @type {?} */
NzCascaderComponent.prototype.nzClear;
/** @type {?} */
NzCascaderComponent.prototype.nzVisibleChange;
/** @type {?} */
NzCascaderComponent.prototype.nzChange;
/** @type {?} */
NzCascaderComponent.prototype.el;
/** @type {?} */
NzCascaderComponent.prototype.dropDownPosition;
/** @type {?} */
NzCascaderComponent.prototype.menuVisible;
/** @type {?} */
NzCascaderComponent.prototype.isLoading;
/** @type {?} */
NzCascaderComponent.prototype.labelRenderText;
/** @type {?} */
NzCascaderComponent.prototype.labelRenderContext;
/** @type {?} */
NzCascaderComponent.prototype.columns;
/** @type {?} */
NzCascaderComponent.prototype.onChange;
/** @type {?} */
NzCascaderComponent.prototype.onTouched;
/** @type {?} */
NzCascaderComponent.prototype.positions;
/** @type {?} */
NzCascaderComponent.prototype.dropdownWidthStyle;
/** @type {?} */
NzCascaderComponent.prototype.isSearching;
/** @type {?} */
NzCascaderComponent.prototype.isFocused;
/**
* @type {?}
* @private
*/
NzCascaderComponent.prototype.isOpening;
/**
* @type {?}
* @private
*/
NzCascaderComponent.prototype.defaultValue;
/**
* @type {?}
* @private
*/
NzCascaderComponent.prototype.value;
/**
* @type {?}
* @private
*/
NzCascaderComponent.prototype.selectedOptions;
/**
* @type {?}
* @private
*/
NzCascaderComponent.prototype.activatedOptions;
/**
* @type {?}
* @private
*/
NzCascaderComponent.prototype.columnsSnapshot;
/**
* @type {?}
* @private
*/
NzCascaderComponent.prototype.activatedOptionsSnapshot;
/**
* @type {?}
* @private
*/
NzCascaderComponent.prototype.delayMenuTimer;
/**
* @type {?}
* @private
*/
NzCascaderComponent.prototype.delaySelectTimer;
/**
* @type {?}
* @private
*/
NzCascaderComponent.prototype._inputValue;
/**
* @type {?}
* @private
*/
NzCascaderComponent.prototype.elementRef;
/**
* @type {?}
* @private
*/
NzCascaderComponent.prototype.cdr;
/** @type {?} */
NzCascaderComponent.prototype.noAnimation;
}
export { ɵ0 };
//# 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