primeng
Version:
[](https://opensource.org/licenses/MIT) [](https://badge.fury.io/js/primeng) [ • 131 kB
JavaScript
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
import { ScrollingModule, CdkVirtualScrollViewport } from '@angular/cdk/scrolling';
import { NgModule, Component, ElementRef, OnInit, AfterViewInit, AfterContentInit, AfterViewChecked, OnDestroy, Input, Output, Renderer2, EventEmitter, ContentChildren, QueryList, ViewChild, TemplateRef, forwardRef, ChangeDetectorRef, NgZone, ViewRef } from '@angular/core';
import { trigger, state, style, transition, animate } from '@angular/animations';
import { CommonModule } from '@angular/common';
import { SharedModule, PrimeTemplate } from 'primeng/api';
import { DomHandler } from 'primeng/dom';
import { ObjectUtils } from 'primeng/utils';
import { NG_VALUE_ACCESSOR } from '@angular/forms';
import { FilterUtils } from 'primeng/utils';
import { TooltipModule } from 'primeng/tooltip';
export const DROPDOWN_VALUE_ACCESSOR = {
provide: NG_VALUE_ACCESSOR,
useExisting: forwardRef(() => Dropdown),
multi: true
};
let DropdownItem = class DropdownItem {
constructor() {
this.onClick = new EventEmitter();
}
onOptionClick(event) {
this.onClick.emit({
originalEvent: event,
option: this.option
});
}
};
__decorate([
Input()
], DropdownItem.prototype, "option", void 0);
__decorate([
Input()
], DropdownItem.prototype, "selected", void 0);
__decorate([
Input()
], DropdownItem.prototype, "disabled", void 0);
__decorate([
Input()
], DropdownItem.prototype, "visible", void 0);
__decorate([
Input()
], DropdownItem.prototype, "itemSize", void 0);
__decorate([
Input()
], DropdownItem.prototype, "template", void 0);
__decorate([
Output()
], DropdownItem.prototype, "onClick", void 0);
DropdownItem = __decorate([
Component({
selector: 'p-dropdownItem',
template: `
<li (click)="onOptionClick($event)" role="option"
[attr.aria-label]="option.label" [attr.aria-selected]="selected"
[ngStyle]="{'height': itemSize + 'px'}"
[ngClass]="{'ui-dropdown-item ui-corner-all':true,
'ui-state-highlight': selected,
'ui-state-disabled':(option.disabled),
'ui-dropdown-item-empty': !option.label||option.label.length === 0}">
<span *ngIf="!template">{{option.label||'empty'}}</span>
<ng-container *ngTemplateOutlet="template; context: {$implicit: option}"></ng-container>
</li>
`
})
], DropdownItem);
export { DropdownItem };
let Dropdown = class Dropdown {
constructor(el, renderer, cd, zone) {
this.el = el;
this.renderer = renderer;
this.cd = cd;
this.zone = zone;
this.scrollHeight = '200px';
this.filterBy = 'label';
this.resetFilterOnHide = false;
this.dropdownIcon = 'pi pi-chevron-down';
this.autoDisplayFirst = true;
this.emptyFilterMessage = 'No results found';
this.autoZIndex = true;
this.baseZIndex = 0;
this.showTransitionOptions = '225ms ease-out';
this.hideTransitionOptions = '195ms ease-in';
this.filterMatchMode = "contains";
this.tooltip = '';
this.tooltipPosition = 'right';
this.tooltipPositionStyle = 'absolute';
this.onChange = new EventEmitter();
this.onFocus = new EventEmitter();
this.onBlur = new EventEmitter();
this.onClick = new EventEmitter();
this.onShow = new EventEmitter();
this.onHide = new EventEmitter();
this.onModelChange = () => { };
this.onModelTouched = () => { };
this.viewPortOffsetTop = 0;
}
get disabled() {
return this._disabled;
}
;
set disabled(_disabled) {
if (_disabled)
this.focused = false;
this._disabled = _disabled;
if (!this.cd.destroyed) {
this.cd.detectChanges();
}
}
ngAfterContentInit() {
this.templates.forEach((item) => {
switch (item.getType()) {
case 'item':
this.itemTemplate = item.template;
break;
case 'selectedItem':
this.selectedItemTemplate = item.template;
break;
case 'group':
this.groupTemplate = item.template;
break;
default:
this.itemTemplate = item.template;
break;
}
});
}
ngOnInit() {
this.optionsToDisplay = this.options;
this.updateSelectedOption(null);
}
get options() {
return this._options;
}
set options(val) {
let opts = this.optionLabel ? ObjectUtils.generateSelectItems(val, this.optionLabel) : val;
this._options = opts;
this.optionsToDisplay = this._options;
this.updateSelectedOption(this.value);
this.optionsChanged = true;
if (this.filterValue && this.filterValue.length) {
this.activateFilter();
}
}
ngAfterViewInit() {
if (this.editable) {
this.updateEditableLabel();
}
}
get label() {
return (this.selectedOption ? this.selectedOption.label : null);
}
updateEditableLabel() {
if (this.editableInputViewChild && this.editableInputViewChild.nativeElement) {
this.editableInputViewChild.nativeElement.value = (this.selectedOption ? this.selectedOption.label : this.value || '');
}
}
onItemClick(event) {
const option = event.option;
this.itemClick = true;
if (!option.disabled) {
this.selectItem(event, option);
this.focusViewChild.nativeElement.focus();
}
setTimeout(() => {
this.hide(event);
}, 150);
}
selectItem(event, option) {
if (this.selectedOption != option) {
this.selectedOption = option;
this.value = option.value;
this.filled = true;
this.onModelChange(this.value);
this.updateEditableLabel();
this.onChange.emit({
originalEvent: event.originalEvent,
value: this.value
});
if (this.virtualScroll) {
setTimeout(() => {
this.viewPortOffsetTop = this.viewPort.measureScrollOffset();
}, 1);
}
}
}
ngAfterViewChecked() {
if (this.optionsChanged && this.overlayVisible) {
this.optionsChanged = false;
if (this.virtualScroll) {
this.updateVirtualScrollSelectedIndex(true);
}
this.zone.runOutsideAngular(() => {
setTimeout(() => {
this.alignOverlay();
}, 1);
});
}
if (this.selectedOptionUpdated && this.itemsWrapper) {
if (this.virtualScroll && this.viewPort) {
let range = this.viewPort.getRenderedRange();
this.updateVirtualScrollSelectedIndex(false);
if (range.start > this.virtualScrollSelectedIndex || range.end < this.virtualScrollSelectedIndex) {
this.viewPort.scrollToIndex(this.virtualScrollSelectedIndex);
}
}
let selectedItem = DomHandler.findSingle(this.overlay, 'li.ui-state-highlight');
if (selectedItem) {
DomHandler.scrollInView(this.itemsWrapper, DomHandler.findSingle(this.overlay, 'li.ui-state-highlight'));
}
this.selectedOptionUpdated = false;
}
}
writeValue(value) {
if (this.filter) {
this.resetFilter();
}
this.value = value;
this.updateSelectedOption(value);
this.updateEditableLabel();
this.updateFilledState();
this.cd.markForCheck();
}
resetFilter() {
this.filterValue = null;
if (this.filterViewChild && this.filterViewChild.nativeElement) {
this.filterViewChild.nativeElement.value = '';
}
this.optionsToDisplay = this.options;
}
updateSelectedOption(val) {
this.selectedOption = this.findOption(val, this.optionsToDisplay);
if (this.autoDisplayFirst && !this.placeholder && !this.selectedOption && this.optionsToDisplay && this.optionsToDisplay.length && !this.editable) {
this.selectedOption = this.optionsToDisplay[0];
}
this.selectedOptionUpdated = true;
}
registerOnChange(fn) {
this.onModelChange = fn;
}
registerOnTouched(fn) {
this.onModelTouched = fn;
}
setDisabledState(val) {
this.disabled = val;
}
onMouseclick(event) {
if (this.disabled || this.readonly) {
return;
}
this.onClick.emit(event);
this.selfClick = true;
this.clearClick = DomHandler.hasClass(event.target, 'ui-dropdown-clear-icon');
if (!this.itemClick && !this.clearClick) {
this.focusViewChild.nativeElement.focus();
if (this.overlayVisible)
this.hide(event);
else
this.show();
this.cd.detectChanges();
}
}
onEditableInputClick(event) {
this.itemClick = true;
this.bindDocumentClickListener();
}
onEditableInputFocus(event) {
this.focused = true;
this.hide(event);
this.onFocus.emit(event);
}
onEditableInputChange(event) {
this.value = event.target.value;
this.updateSelectedOption(this.value);
this.onModelChange(this.value);
this.onChange.emit({
originalEvent: event,
value: this.value
});
}
show() {
this.overlayVisible = true;
}
onOverlayAnimationStart(event) {
switch (event.toState) {
case 'visible':
this.overlay = event.element;
let itemsWrapperSelector = this.virtualScroll ? '.cdk-virtual-scroll-viewport' : '.ui-dropdown-items-wrapper';
this.itemsWrapper = DomHandler.findSingle(this.overlay, itemsWrapperSelector);
this.appendOverlay();
if (this.autoZIndex) {
this.overlay.style.zIndex = String(this.baseZIndex + (++DomHandler.zindex));
}
this.alignOverlay();
this.bindDocumentClickListener();
this.bindDocumentResizeListener();
if (this.options && this.options.length) {
if (!this.virtualScroll) {
let selectedListItem = DomHandler.findSingle(this.itemsWrapper, '.ui-dropdown-item.ui-state-highlight');
if (selectedListItem) {
DomHandler.scrollInView(this.itemsWrapper, selectedListItem);
}
}
}
if (this.filterViewChild && this.filterViewChild.nativeElement) {
this.filterViewChild.nativeElement.focus();
}
this.onShow.emit(event);
break;
case 'void':
this.onOverlayHide();
break;
}
}
scrollToSelectedVirtualScrollElement() {
if (!this.virtualAutoScrolled) {
if (this.viewPortOffsetTop) {
this.viewPort.scrollToOffset(this.viewPortOffsetTop);
}
else if (this.virtualScrollSelectedIndex > -1) {
this.viewPort.scrollToIndex(this.virtualScrollSelectedIndex);
}
}
this.virtualAutoScrolled = true;
}
updateVirtualScrollSelectedIndex(resetOffset) {
if (this.selectedOption && this.optionsToDisplay && this.optionsToDisplay.length) {
if (resetOffset) {
this.viewPortOffsetTop = 0;
}
this.virtualScrollSelectedIndex = this.findOptionIndex(this.selectedOption.value, this.optionsToDisplay);
}
}
appendOverlay() {
if (this.appendTo) {
if (this.appendTo === 'body')
document.body.appendChild(this.overlay);
else
DomHandler.appendChild(this.overlay, this.appendTo);
this.overlay.style.minWidth = DomHandler.getWidth(this.containerViewChild.nativeElement) + 'px';
}
}
restoreOverlayAppend() {
if (this.overlay && this.appendTo) {
this.el.nativeElement.appendChild(this.overlay);
}
}
hide(event) {
this.overlayVisible = false;
if (this.filter && this.resetFilterOnHide) {
this.resetFilter();
}
if (this.virtualScroll) {
this.virtualAutoScrolled = false;
}
this.cd.markForCheck();
this.onHide.emit(event);
}
alignOverlay() {
if (this.overlay) {
if (this.appendTo)
DomHandler.absolutePosition(this.overlay, this.containerViewChild.nativeElement);
else
DomHandler.relativePosition(this.overlay, this.containerViewChild.nativeElement);
}
}
onInputFocus(event) {
this.focused = true;
this.onFocus.emit(event);
}
onInputBlur(event) {
this.focused = false;
this.onModelTouched();
this.onBlur.emit(event);
}
findPrevEnabledOption(index) {
let prevEnabledOption;
if (this.optionsToDisplay && this.optionsToDisplay.length) {
for (let i = (index - 1); 0 <= i; i--) {
let option = this.optionsToDisplay[i];
if (option.disabled) {
continue;
}
else {
prevEnabledOption = option;
break;
}
}
if (!prevEnabledOption) {
for (let i = this.optionsToDisplay.length - 1; i >= index; i--) {
let option = this.optionsToDisplay[i];
if (option.disabled) {
continue;
}
else {
prevEnabledOption = option;
break;
}
}
}
}
return prevEnabledOption;
}
findNextEnabledOption(index) {
let nextEnabledOption;
if (this.optionsToDisplay && this.optionsToDisplay.length) {
for (let i = (index + 1); index < (this.optionsToDisplay.length - 1); i++) {
let option = this.optionsToDisplay[i];
if (option.disabled) {
continue;
}
else {
nextEnabledOption = option;
break;
}
}
if (!nextEnabledOption) {
for (let i = 0; i < index; i++) {
let option = this.optionsToDisplay[i];
if (option.disabled) {
continue;
}
else {
nextEnabledOption = option;
break;
}
}
}
}
return nextEnabledOption;
}
onKeydown(event, search) {
if (this.readonly || !this.optionsToDisplay || this.optionsToDisplay.length === null) {
return;
}
switch (event.which) {
//down
case 40:
if (!this.overlayVisible && event.altKey) {
this.show();
}
else {
if (this.group) {
let selectedItemIndex = this.selectedOption ? this.findOptionGroupIndex(this.selectedOption.value, this.optionsToDisplay) : -1;
if (selectedItemIndex !== -1) {
let nextItemIndex = selectedItemIndex.itemIndex + 1;
if (nextItemIndex < (this.optionsToDisplay[selectedItemIndex.groupIndex].items.length)) {
this.selectItem(event, this.optionsToDisplay[selectedItemIndex.groupIndex].items[nextItemIndex]);
this.selectedOptionUpdated = true;
}
else if (this.optionsToDisplay[selectedItemIndex.groupIndex + 1]) {
this.selectItem(event, this.optionsToDisplay[selectedItemIndex.groupIndex + 1].items[0]);
this.selectedOptionUpdated = true;
}
}
else {
this.selectItem(event, this.optionsToDisplay[0].items[0]);
}
}
else {
let selectedItemIndex = this.selectedOption ? this.findOptionIndex(this.selectedOption.value, this.optionsToDisplay) : -1;
let nextEnabledOption = this.findNextEnabledOption(selectedItemIndex);
if (nextEnabledOption) {
this.selectItem(event, nextEnabledOption);
this.selectedOptionUpdated = true;
}
}
}
event.preventDefault();
break;
//up
case 38:
if (this.group) {
let selectedItemIndex = this.selectedOption ? this.findOptionGroupIndex(this.selectedOption.value, this.optionsToDisplay) : -1;
if (selectedItemIndex !== -1) {
let prevItemIndex = selectedItemIndex.itemIndex - 1;
if (prevItemIndex >= 0) {
this.selectItem(event, this.optionsToDisplay[selectedItemIndex.groupIndex].items[prevItemIndex]);
this.selectedOptionUpdated = true;
}
else if (prevItemIndex < 0) {
let prevGroup = this.optionsToDisplay[selectedItemIndex.groupIndex - 1];
if (prevGroup) {
this.selectItem(event, prevGroup.items[prevGroup.items.length - 1]);
this.selectedOptionUpdated = true;
}
}
}
}
else {
let selectedItemIndex = this.selectedOption ? this.findOptionIndex(this.selectedOption.value, this.optionsToDisplay) : -1;
let prevEnabledOption = this.findPrevEnabledOption(selectedItemIndex);
if (prevEnabledOption) {
this.selectItem(event, prevEnabledOption);
this.selectedOptionUpdated = true;
}
}
event.preventDefault();
break;
//space
case 32:
case 32:
if (!this.overlayVisible) {
this.show();
event.preventDefault();
}
break;
//enter
case 13:
if (!this.filter || (this.optionsToDisplay && this.optionsToDisplay.length > 0)) {
this.hide(event);
}
event.preventDefault();
break;
//escape and tab
case 27:
case 9:
this.hide(event);
break;
//search item based on keyboard input
default:
if (search) {
this.search(event);
}
break;
}
}
search(event) {
if (this.searchTimeout) {
clearTimeout(this.searchTimeout);
}
const char = event.key;
this.previousSearchChar = this.currentSearchChar;
this.currentSearchChar = char;
if (this.previousSearchChar === this.currentSearchChar)
this.searchValue = this.currentSearchChar;
else
this.searchValue = this.searchValue ? this.searchValue + char : char;
let newOption;
if (this.group) {
let searchIndex = this.selectedOption ? this.findOptionGroupIndex(this.selectedOption.value, this.optionsToDisplay) : { groupIndex: 0, itemIndex: 0 };
newOption = this.searchOptionWithinGroup(searchIndex);
}
else {
let searchIndex = this.selectedOption ? this.findOptionIndex(this.selectedOption.value, this.optionsToDisplay) : -1;
newOption = this.searchOption(++searchIndex);
}
if (newOption) {
this.selectItem(event, newOption);
this.selectedOptionUpdated = true;
}
this.searchTimeout = setTimeout(() => {
this.searchValue = null;
}, 250);
}
searchOption(index) {
let option;
if (this.searchValue) {
option = this.searchOptionInRange(index, this.optionsToDisplay.length);
if (!option) {
option = this.searchOptionInRange(0, index);
}
}
return option;
}
searchOptionInRange(start, end) {
for (let i = start; i < end; i++) {
let opt = this.optionsToDisplay[i];
if (opt.label.toLowerCase().startsWith(this.searchValue.toLowerCase())) {
return opt;
}
}
return null;
}
searchOptionWithinGroup(index) {
let option;
if (this.searchValue) {
for (let i = index.groupIndex; i < this.optionsToDisplay.length; i++) {
for (let j = (index.groupIndex === i) ? (index.itemIndex + 1) : 0; j < this.optionsToDisplay[i].items.length; j++) {
let opt = this.optionsToDisplay[i].items[j];
if (opt.label.toLowerCase().startsWith(this.searchValue.toLowerCase())) {
return opt;
}
}
}
if (!option) {
for (let i = 0; i <= index.groupIndex; i++) {
for (let j = 0; j < ((index.groupIndex === i) ? index.itemIndex : this.optionsToDisplay[i].items.length); j++) {
let opt = this.optionsToDisplay[i].items[j];
if (opt.label.toLowerCase().startsWith(this.searchValue.toLowerCase())) {
return opt;
}
}
}
}
}
return null;
}
findOptionIndex(val, opts) {
let index = -1;
if (opts) {
for (let i = 0; i < opts.length; i++) {
if ((val == null && opts[i].value == null) || ObjectUtils.equals(val, opts[i].value, this.dataKey)) {
index = i;
break;
}
}
}
return index;
}
findOptionGroupIndex(val, opts) {
let groupIndex, itemIndex;
if (opts) {
for (let i = 0; i < opts.length; i++) {
groupIndex = i;
itemIndex = this.findOptionIndex(val, opts[i].items);
if (itemIndex !== -1) {
break;
}
}
}
if (itemIndex !== -1) {
return { groupIndex: groupIndex, itemIndex: itemIndex };
}
else {
return -1;
}
}
findOption(val, opts, inGroup) {
if (this.group && !inGroup) {
let opt;
if (opts && opts.length) {
for (let optgroup of opts) {
opt = this.findOption(val, optgroup.items, true);
if (opt) {
break;
}
}
}
return opt;
}
else {
let index = this.findOptionIndex(val, opts);
return (index != -1) ? opts[index] : null;
}
}
onFilter(event) {
let inputValue = event.target.value;
if (inputValue && inputValue.length) {
this.filterValue = inputValue;
this.activateFilter();
}
else {
this.filterValue = null;
this.optionsToDisplay = this.options;
}
this.optionsChanged = true;
}
activateFilter() {
let searchFields = this.filterBy.split(',');
if (this.options && this.options.length) {
if (this.group) {
let filteredGroups = [];
for (let optgroup of this.options) {
let filteredSubOptions = FilterUtils.filter(optgroup.items, searchFields, this.filterValue, this.filterMatchMode);
if (filteredSubOptions && filteredSubOptions.length) {
filteredGroups.push({
label: optgroup.label,
value: optgroup.value,
items: filteredSubOptions
});
}
}
this.optionsToDisplay = filteredGroups;
}
else {
this.optionsToDisplay = FilterUtils.filter(this.options, searchFields, this.filterValue, this.filterMatchMode);
}
this.optionsChanged = true;
}
}
applyFocus() {
if (this.editable)
DomHandler.findSingle(this.el.nativeElement, '.ui-dropdown-label.ui-inputtext').focus();
else
DomHandler.findSingle(this.el.nativeElement, 'input[readonly]').focus();
}
focus() {
this.applyFocus();
}
bindDocumentClickListener() {
if (!this.documentClickListener) {
this.documentClickListener = this.renderer.listen('document', 'click', (event) => {
if (!this.selfClick && !this.itemClick) {
this.hide(event);
this.unbindDocumentClickListener();
}
this.clearClickState();
this.cd.markForCheck();
});
}
}
clearClickState() {
this.selfClick = false;
this.itemClick = false;
}
unbindDocumentClickListener() {
if (this.documentClickListener) {
this.documentClickListener();
this.documentClickListener = null;
}
}
bindDocumentResizeListener() {
this.documentResizeListener = this.onWindowResize.bind(this);
window.addEventListener('resize', this.documentResizeListener);
}
unbindDocumentResizeListener() {
if (this.documentResizeListener) {
window.removeEventListener('resize', this.documentResizeListener);
this.documentResizeListener = null;
}
}
onWindowResize() {
if (!DomHandler.isAndroid()) {
this.hide(event);
}
}
updateFilledState() {
this.filled = (this.selectedOption != null);
}
clear(event) {
this.clearClick = true;
this.value = null;
this.onModelChange(this.value);
this.onChange.emit({
originalEvent: event,
value: this.value
});
this.updateSelectedOption(this.value);
this.updateEditableLabel();
this.updateFilledState();
}
onOverlayHide() {
this.unbindDocumentClickListener();
this.unbindDocumentResizeListener();
this.overlay = null;
this.itemsWrapper = null;
}
ngOnDestroy() {
this.restoreOverlayAppend();
this.onOverlayHide();
}
};
Dropdown.ctorParameters = () => [
{ type: ElementRef },
{ type: Renderer2 },
{ type: ChangeDetectorRef },
{ type: NgZone }
];
__decorate([
Input()
], Dropdown.prototype, "scrollHeight", void 0);
__decorate([
Input()
], Dropdown.prototype, "filter", void 0);
__decorate([
Input()
], Dropdown.prototype, "name", void 0);
__decorate([
Input()
], Dropdown.prototype, "style", void 0);
__decorate([
Input()
], Dropdown.prototype, "panelStyle", void 0);
__decorate([
Input()
], Dropdown.prototype, "styleClass", void 0);
__decorate([
Input()
], Dropdown.prototype, "panelStyleClass", void 0);
__decorate([
Input()
], Dropdown.prototype, "readonly", void 0);
__decorate([
Input()
], Dropdown.prototype, "required", void 0);
__decorate([
Input()
], Dropdown.prototype, "editable", void 0);
__decorate([
Input()
], Dropdown.prototype, "appendTo", void 0);
__decorate([
Input()
], Dropdown.prototype, "tabindex", void 0);
__decorate([
Input()
], Dropdown.prototype, "placeholder", void 0);
__decorate([
Input()
], Dropdown.prototype, "filterPlaceholder", void 0);
__decorate([
Input()
], Dropdown.prototype, "inputId", void 0);
__decorate([
Input()
], Dropdown.prototype, "selectId", void 0);
__decorate([
Input()
], Dropdown.prototype, "dataKey", void 0);
__decorate([
Input()
], Dropdown.prototype, "filterBy", void 0);
__decorate([
Input()
], Dropdown.prototype, "autofocus", void 0);
__decorate([
Input()
], Dropdown.prototype, "resetFilterOnHide", void 0);
__decorate([
Input()
], Dropdown.prototype, "dropdownIcon", void 0);
__decorate([
Input()
], Dropdown.prototype, "optionLabel", void 0);
__decorate([
Input()
], Dropdown.prototype, "autoDisplayFirst", void 0);
__decorate([
Input()
], Dropdown.prototype, "group", void 0);
__decorate([
Input()
], Dropdown.prototype, "showClear", void 0);
__decorate([
Input()
], Dropdown.prototype, "emptyFilterMessage", void 0);
__decorate([
Input()
], Dropdown.prototype, "virtualScroll", void 0);
__decorate([
Input()
], Dropdown.prototype, "itemSize", void 0);
__decorate([
Input()
], Dropdown.prototype, "autoZIndex", void 0);
__decorate([
Input()
], Dropdown.prototype, "baseZIndex", void 0);
__decorate([
Input()
], Dropdown.prototype, "showTransitionOptions", void 0);
__decorate([
Input()
], Dropdown.prototype, "hideTransitionOptions", void 0);
__decorate([
Input()
], Dropdown.prototype, "ariaFilterLabel", void 0);
__decorate([
Input()
], Dropdown.prototype, "ariaLabelledBy", void 0);
__decorate([
Input()
], Dropdown.prototype, "filterMatchMode", void 0);
__decorate([
Input()
], Dropdown.prototype, "maxlength", void 0);
__decorate([
Input()
], Dropdown.prototype, "tooltip", void 0);
__decorate([
Input()
], Dropdown.prototype, "tooltipPosition", void 0);
__decorate([
Input()
], Dropdown.prototype, "tooltipPositionStyle", void 0);
__decorate([
Input()
], Dropdown.prototype, "tooltipStyleClass", void 0);
__decorate([
Output()
], Dropdown.prototype, "onChange", void 0);
__decorate([
Output()
], Dropdown.prototype, "onFocus", void 0);
__decorate([
Output()
], Dropdown.prototype, "onBlur", void 0);
__decorate([
Output()
], Dropdown.prototype, "onClick", void 0);
__decorate([
Output()
], Dropdown.prototype, "onShow", void 0);
__decorate([
Output()
], Dropdown.prototype, "onHide", void 0);
__decorate([
ViewChild('container', { static: true })
], Dropdown.prototype, "containerViewChild", void 0);
__decorate([
ViewChild('filter', { static: false })
], Dropdown.prototype, "filterViewChild", void 0);
__decorate([
ViewChild('in', { static: true })
], Dropdown.prototype, "focusViewChild", void 0);
__decorate([
ViewChild(CdkVirtualScrollViewport, { static: false })
], Dropdown.prototype, "viewPort", void 0);
__decorate([
ViewChild('editableInput', { static: false })
], Dropdown.prototype, "editableInputViewChild", void 0);
__decorate([
ContentChildren(PrimeTemplate)
], Dropdown.prototype, "templates", void 0);
__decorate([
Input()
], Dropdown.prototype, "disabled", null);
__decorate([
Input()
], Dropdown.prototype, "options", null);
Dropdown = __decorate([
Component({
selector: 'p-dropdown',
template: `
<div #container [ngClass]="{'ui-dropdown ui-widget ui-state-default ui-corner-all ui-helper-clearfix':true,
'ui-state-disabled':disabled, 'ui-dropdown-open':overlayVisible, 'ui-state-focus':focused, 'ui-dropdown-clearable': showClear && !disabled}"
(click)="onMouseclick($event)" [ngStyle]="style" [class]="styleClass">
<div class="ui-helper-hidden-accessible">
<input #in [attr.id]="inputId" type="text" [attr.aria-label]="selectedOption ? selectedOption.label : ' '" readonly (focus)="onInputFocus($event)" aria-haspopup="listbox"
aria-haspopup="listbox" [attr.aria-expanded]="overlayVisible" [attr.aria-labelledby]="ariaLabelledBy" (blur)="onInputBlur($event)" (keydown)="onKeydown($event, true)"
[disabled]="disabled" [attr.tabindex]="tabindex" [attr.autofocus]="autofocus">
</div>
<div class="ui-helper-hidden-accessible ui-dropdown-hidden-select">
<select [attr.required]="required" [attr.name]="name" tabindex="-1" aria-hidden="true">
<option *ngIf="placeholder" value="">{{placeholder}}</option>
<option *ngIf="selectedOption" [value]="selectedOption.value" [selected]="true">{{selectedOption.label}}</option>
</select>
</div>
<div class="ui-dropdown-label-container" [pTooltip]="tooltip" [tooltipPosition]="tooltipPosition" [positionStyle]="tooltipPositionStyle" [tooltipStyleClass]="tooltipStyleClass">
<label [ngClass]="{'ui-dropdown-label ui-inputtext ui-corner-all':true,'ui-dropdown-label-empty':(label == null || label.length === 0)}" *ngIf="!editable && (label != null)">
<ng-container *ngIf="!selectedItemTemplate">{{label||'empty'}}</ng-container>
<ng-container *ngTemplateOutlet="selectedItemTemplate; context: {$implicit: selectedOption}"></ng-container>
</label>
<label [ngClass]="{'ui-dropdown-label ui-inputtext ui-corner-all ui-placeholder':true,'ui-dropdown-label-empty': (placeholder == null || placeholder.length === 0)}" *ngIf="!editable && (label == null)">{{placeholder||'empty'}}</label>
<input #editableInput type="text" [attr.maxlength]="maxlength" [attr.aria-label]="selectedOption ? selectedOption.label : ' '" class="ui-dropdown-label ui-inputtext ui-corner-all" *ngIf="editable" [disabled]="disabled" [attr.placeholder]="placeholder"
aria-haspopup="listbox" [attr.aria-expanded]="overlayVisible" (click)="onEditableInputClick($event)" (input)="onEditableInputChange($event)" (focus)="onEditableInputFocus($event)" (blur)="onInputBlur($event)">
<i class="ui-dropdown-clear-icon pi pi-times" (click)="clear($event)" *ngIf="value != null && showClear && !disabled"></i>
</div>
<div class="ui-dropdown-trigger ui-state-default ui-corner-right" role="button" aria-haspopup="listbox" [attr.aria-expanded]="overlayVisible">
<span class="ui-dropdown-trigger-icon ui-clickable" [ngClass]="dropdownIcon"></span>
</div>
<div *ngIf="overlayVisible" [ngClass]="'ui-dropdown-panel ui-widget ui-widget-content ui-corner-all ui-shadow'" [@overlayAnimation]="{value: 'visible', params: {showTransitionParams: showTransitionOptions, hideTransitionParams: hideTransitionOptions}}" (@overlayAnimation.start)="onOverlayAnimationStart($event)" [ngStyle]="panelStyle" [class]="panelStyleClass">
<div *ngIf="filter" class="ui-dropdown-filter-container" (click)="$event.stopPropagation()">
<input #filter type="text" autocomplete="off" [value]="filterValue||''" class="ui-dropdown-filter ui-inputtext ui-widget ui-state-default ui-corner-all" [attr.placeholder]="filterPlaceholder"
(keydown.enter)="$event.preventDefault()" (keydown)="onKeydown($event, false)" (input)="onFilter($event)" [attr.aria-label]="ariaFilterLabel">
<span class="ui-dropdown-filter-icon pi pi-search"></span>
</div>
<div class="ui-dropdown-items-wrapper" [style.max-height]="virtualScroll ? 'auto' : (scrollHeight||'auto')">
<ul class="ui-dropdown-items ui-dropdown-list ui-widget-content ui-widget ui-corner-all ui-helper-reset" role="listbox">
<ng-container *ngIf="group">
<ng-template ngFor let-optgroup [ngForOf]="optionsToDisplay">
<li class="ui-dropdown-item-group">
<span *ngIf="!groupTemplate">{{optgroup.label||'empty'}}</span>
<ng-container *ngTemplateOutlet="groupTemplate; context: {$implicit: optgroup}"></ng-container>
</li>
<ng-container *ngTemplateOutlet="itemslist; context: {$implicit: optgroup.items, selectedOption: selectedOption}"></ng-container>
</ng-template>
</ng-container>
<ng-container *ngIf="!group">
<ng-container *ngTemplateOutlet="itemslist; context: {$implicit: optionsToDisplay, selectedOption: selectedOption}"></ng-container>
</ng-container>
<ng-template #itemslist let-options let-selectedOption="selectedOption">
<ng-container *ngIf="!virtualScroll; else virtualScrollList">
<ng-template ngFor let-option let-i="index" [ngForOf]="options">
<p-dropdownItem [option]="option" [selected]="selectedOption == option"
(onClick)="onItemClick($event)"
[template]="itemTemplate"></p-dropdownItem>
</ng-template>
</ng-container>
<ng-template #virtualScrollList>
<cdk-virtual-scroll-viewport (scrolledIndexChange)="scrollToSelectedVirtualScrollElement()" #viewport [ngStyle]="{'height': scrollHeight}" [itemSize]="itemSize" *ngIf="virtualScroll && optionsToDisplay && optionsToDisplay.length">
<ng-container *cdkVirtualFor="let option of options; let i = index; let c = count; let f = first; let l = last; let e = even; let o = odd">
<p-dropdownItem [option]="option" [selected]="selectedOption == option"
(onClick)="onItemClick($event)"
[template]="itemTemplate"></p-dropdownItem>
</ng-container>
</cdk-virtual-scroll-viewport>
</ng-template>
</ng-template>
<li *ngIf="filter && (!optionsToDisplay || (optionsToDisplay && optionsToDisplay.length === 0))" class="ui-dropdown-empty-message">{{emptyFilterMessage}}</li>
</ul>
</div>
</div>
</div>
`,
animations: [
trigger('overlayAnimation', [
state('void', style({
transform: 'translateY(5%)',
opacity: 0
})),
state('visible', style({
transform: 'translateY(0)',
opacity: 1
})),
transition('void => visible', animate('{{showTransitionParams}}')),
transition('visible => void', animate('{{hideTransitionParams}}'))
])
],
host: {
'[class.ui-inputwrapper-filled]': 'filled',
'[class.ui-inputwrapper-focus]': 'focused'
},
providers: [DROPDOWN_VALUE_ACCESSOR]
})
], Dropdown);
export { Dropdown };
let DropdownModule = class DropdownModule {
};
DropdownModule = __decorate([
NgModule({
imports: [CommonModule, SharedModule, ScrollingModule, TooltipModule],
exports: [Dropdown, SharedModule, ScrollingModule],
declarations: [Dropdown, DropdownItem]
})
], DropdownModule);
export { DropdownModule };
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