primeng
Version:
[](https://opensource.org/licenses/MIT) [](https://badge.fury.io/js/primeng) [ || 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;
};
var __values = (this && this.__values) || function(o) {
var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
if (m) return m.call(o);
if (o && typeof o.length === "number") return {
next: function () {
if (o && i >= o.length) o = void 0;
return { value: o && o[i++], done: !o };
}
};
throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
};
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, ChangeDetectionStrategy } 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 var DROPDOWN_VALUE_ACCESSOR = {
provide: NG_VALUE_ACCESSOR,
useExisting: forwardRef(function () { return Dropdown; }),
multi: true
};
var DropdownItem = /** @class */ (function () {
function DropdownItem() {
this.onClick = new EventEmitter();
}
DropdownItem.prototype.onOptionClick = function (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: "\n <li (click)=\"onOptionClick($event)\" role=\"option\"\n [attr.aria-label]=\"option.label\" [attr.aria-selected]=\"selected\"\n [ngStyle]=\"{'height': itemSize + 'px'}\"\n [ngClass]=\"{'ui-dropdown-item ui-corner-all':true,\n 'ui-state-highlight': selected,\n 'ui-state-disabled':(option.disabled),\n 'ui-dropdown-item-empty': !option.label||option.label.length === 0}\">\n <span *ngIf=\"!template\">{{option.label||'empty'}}</span>\n <ng-container *ngTemplateOutlet=\"template; context: {$implicit: option}\"></ng-container>\n </li>\n "
})
], DropdownItem);
return DropdownItem;
}());
export { DropdownItem };
var Dropdown = /** @class */ (function () {
function Dropdown(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.autofocusFilter = true;
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 = function () { };
this.onModelTouched = function () { };
this.viewPortOffsetTop = 0;
}
Object.defineProperty(Dropdown.prototype, "disabled", {
get: function () {
return this._disabled;
},
set: function (_disabled) {
if (_disabled)
this.focused = false;
this._disabled = _disabled;
if (!this.cd.destroyed) {
this.cd.detectChanges();
}
},
enumerable: true,
configurable: true
});
;
Dropdown.prototype.ngAfterContentInit = function () {
var _this = this;
this.templates.forEach(function (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;
}
});
};
Dropdown.prototype.ngOnInit = function () {
this.optionsToDisplay = this.options;
this.updateSelectedOption(null);
};
Object.defineProperty(Dropdown.prototype, "options", {
get: function () {
return this._options;
},
set: function (val) {
var opts = this.optionLabel ? ObjectUtils.generateSelectItems(val, this.optionLabel) : val;
this._options = opts;
this.optionsToDisplay = this._options;
this.updateSelectedOption(this.value);
this.optionsChanged = true;
this.updateFilledState();
if (this.filterValue && this.filterValue.length) {
this.activateFilter();
}
},
enumerable: true,
configurable: true
});
Dropdown.prototype.ngAfterViewInit = function () {
if (this.editable) {
this.updateEditableLabel();
}
};
Object.defineProperty(Dropdown.prototype, "label", {
get: function () {
return (this.selectedOption ? this.selectedOption.label : null);
},
enumerable: true,
configurable: true
});
Dropdown.prototype.updateEditableLabel = function () {
if (this.editableInputViewChild && this.editableInputViewChild.nativeElement) {
this.editableInputViewChild.nativeElement.value = (this.selectedOption ? this.selectedOption.label : this.value || '');
}
};
Dropdown.prototype.onItemClick = function (event) {
var _this = this;
var option = event.option;
this.itemClick = true;
if (!option.disabled) {
this.selectItem(event, option);
this.focusViewChild.nativeElement.focus();
}
setTimeout(function () {
_this.hide(event);
}, 150);
};
Dropdown.prototype.selectItem = function (event, option) {
var _this = this;
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(function () {
_this.viewPortOffsetTop = _this.viewPort ? _this.viewPort.measureScrollOffset() : 0;
}, 1);
}
}
};
Dropdown.prototype.ngAfterViewChecked = function () {
var _this = this;
if (this.optionsChanged && this.overlayVisible) {
this.optionsChanged = false;
if (this.virtualScroll) {
this.updateVirtualScrollSelectedIndex(true);
}
this.zone.runOutsideAngular(function () {
setTimeout(function () {
_this.alignOverlay();
}, 1);
});
}
if (this.selectedOptionUpdated && this.itemsWrapper) {
if (this.virtualScroll && this.viewPort) {
var range = this.viewPort.getRenderedRange();
this.updateVirtualScrollSelectedIndex(false);
if (range.start > this.virtualScrollSelectedIndex || range.end < this.virtualScrollSelectedIndex) {
this.viewPort.scrollToIndex(this.virtualScrollSelectedIndex);
}
}
var 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;
}
};
Dropdown.prototype.writeValue = function (value) {
if (this.filter) {
this.resetFilter();
}
this.value = value;
this.updateSelectedOption(value);
this.updateEditableLabel();
this.updateFilledState();
this.cd.markForCheck();
};
Dropdown.prototype.resetFilter = function () {
this.filterValue = null;
if (this.filterViewChild && this.filterViewChild.nativeElement) {
this.filterViewChild.nativeElement.value = '';
}
this.optionsToDisplay = this.options;
};
Dropdown.prototype.updateSelectedOption = function (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;
};
Dropdown.prototype.registerOnChange = function (fn) {
this.onModelChange = fn;
};
Dropdown.prototype.registerOnTouched = function (fn) {
this.onModelTouched = fn;
};
Dropdown.prototype.setDisabledState = function (val) {
this.disabled = val;
};
Dropdown.prototype.onMouseclick = function (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();
}
};
Dropdown.prototype.onEditableInputClick = function (event) {
this.itemClick = true;
this.bindDocumentClickListener();
};
Dropdown.prototype.onEditableInputFocus = function (event) {
this.focused = true;
this.hide(event);
this.onFocus.emit(event);
};
Dropdown.prototype.onEditableInputChange = function (event) {
this.value = event.target.value;
this.updateSelectedOption(this.value);
this.onModelChange(this.value);
this.onChange.emit({
originalEvent: event,
value: this.value
});
};
Dropdown.prototype.show = function () {
this.overlayVisible = true;
};
Dropdown.prototype.onOverlayAnimationStart = function (event) {
switch (event.toState) {
case 'visible':
this.overlay = event.element;
var 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) {
var 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.preventModelTouched = true;
if (this.autofocusFilter) {
this.filterViewChild.nativeElement.focus();
}
}
this.onShow.emit(event);
break;
case 'void':
this.onOverlayHide();
break;
}
};
Dropdown.prototype.scrollToSelectedVirtualScrollElement = function () {
if (!this.virtualAutoScrolled) {
if (this.viewPortOffsetTop) {
this.viewPort.scrollToOffset(this.viewPortOffsetTop);
}
else if (this.virtualScrollSelectedIndex > -1) {
this.viewPort.scrollToIndex(this.virtualScrollSelectedIndex);
}
}
this.virtualAutoScrolled = true;
};
Dropdown.prototype.updateVirtualScrollSelectedIndex = function (resetOffset) {
if (this.selectedOption && this.optionsToDisplay && this.optionsToDisplay.length) {
if (resetOffset) {
this.viewPortOffsetTop = 0;
}
this.virtualScrollSelectedIndex = this.findOptionIndex(this.selectedOption.value, this.optionsToDisplay);
}
};
Dropdown.prototype.appendOverlay = function () {
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';
}
};
Dropdown.prototype.restoreOverlayAppend = function () {
if (this.overlay && this.appendTo) {
this.el.nativeElement.appendChild(this.overlay);
}
};
Dropdown.prototype.hide = function (event) {
this.overlayVisible = false;
if (this.filter && this.resetFilterOnHide) {
this.resetFilter();
}
if (this.virtualScroll) {
this.virtualAutoScrolled = false;
}
this.cd.markForCheck();
this.onHide.emit(event);
};
Dropdown.prototype.alignOverlay = function () {
if (this.overlay) {
if (this.appendTo)
DomHandler.absolutePosition(this.overlay, this.containerViewChild.nativeElement);
else
DomHandler.relativePosition(this.overlay, this.containerViewChild.nativeElement);
}
};
Dropdown.prototype.onInputFocus = function (event) {
this.focused = true;
this.onFocus.emit(event);
};
Dropdown.prototype.onInputBlur = function (event) {
this.focused = false;
this.onBlur.emit(event);
if (!this.preventModelTouched) {
this.onModelTouched();
}
this.preventModelTouched = false;
};
Dropdown.prototype.findPrevEnabledOption = function (index) {
var prevEnabledOption;
if (this.optionsToDisplay && this.optionsToDisplay.length) {
for (var i = (index - 1); 0 <= i; i--) {
var option = this.optionsToDisplay[i];
if (option.disabled) {
continue;
}
else {
prevEnabledOption = option;
break;
}
}
if (!prevEnabledOption) {
for (var i = this.optionsToDisplay.length - 1; i >= index; i--) {
var option = this.optionsToDisplay[i];
if (option.disabled) {
continue;
}
else {
prevEnabledOption = option;
break;
}
}
}
}
return prevEnabledOption;
};
Dropdown.prototype.findNextEnabledOption = function (index) {
var nextEnabledOption;
if (this.optionsToDisplay && this.optionsToDisplay.length) {
for (var i = (index + 1); index < (this.optionsToDisplay.length - 1); i++) {
var option = this.optionsToDisplay[i];
if (option.disabled) {
continue;
}
else {
nextEnabledOption = option;
break;
}
}
if (!nextEnabledOption) {
for (var i = 0; i < index; i++) {
var option = this.optionsToDisplay[i];
if (option.disabled) {
continue;
}
else {
nextEnabledOption = option;
break;
}
}
}
}
return nextEnabledOption;
};
Dropdown.prototype.onKeydown = function (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) {
var selectedItemIndex = this.selectedOption ? this.findOptionGroupIndex(this.selectedOption.value, this.optionsToDisplay) : -1;
if (selectedItemIndex !== -1) {
var 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 {
var selectedItemIndex = this.selectedOption ? this.findOptionIndex(this.selectedOption.value, this.optionsToDisplay) : -1;
var nextEnabledOption = this.findNextEnabledOption(selectedItemIndex);
if (nextEnabledOption) {
this.selectItem(event, nextEnabledOption);
this.selectedOptionUpdated = true;
}
}
}
event.preventDefault();
break;
//up
case 38:
if (this.group) {
var selectedItemIndex = this.selectedOption ? this.findOptionGroupIndex(this.selectedOption.value, this.optionsToDisplay) : -1;
if (selectedItemIndex !== -1) {
var prevItemIndex = selectedItemIndex.itemIndex - 1;
if (prevItemIndex >= 0) {
this.selectItem(event, this.optionsToDisplay[selectedItemIndex.groupIndex].items[prevItemIndex]);
this.selectedOptionUpdated = true;
}
else if (prevItemIndex < 0) {
var prevGroup = this.optionsToDisplay[selectedItemIndex.groupIndex - 1];
if (prevGroup) {
this.selectItem(event, prevGroup.items[prevGroup.items.length - 1]);
this.selectedOptionUpdated = true;
}
}
}
}
else {
var selectedItemIndex = this.selectedOption ? this.findOptionIndex(this.selectedOption.value, this.optionsToDisplay) : -1;
var 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;
}
};
Dropdown.prototype.search = function (event) {
var _this = this;
if (this.searchTimeout) {
clearTimeout(this.searchTimeout);
}
var 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;
var newOption;
if (this.group) {
var searchIndex = this.selectedOption ? this.findOptionGroupIndex(this.selectedOption.value, this.optionsToDisplay) : { groupIndex: 0, itemIndex: 0 };
newOption = this.searchOptionWithinGroup(searchIndex);
}
else {
var 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(function () {
_this.searchValue = null;
}, 250);
};
Dropdown.prototype.searchOption = function (index) {
var option;
if (this.searchValue) {
option = this.searchOptionInRange(index, this.optionsToDisplay.length);
if (!option) {
option = this.searchOptionInRange(0, index);
}
}
return option;
};
Dropdown.prototype.searchOptionInRange = function (start, end) {
for (var i = start; i < end; i++) {
var opt = this.optionsToDisplay[i];
if (opt.label.toLowerCase().startsWith(this.searchValue.toLowerCase())) {
return opt;
}
}
return null;
};
Dropdown.prototype.searchOptionWithinGroup = function (index) {
var option;
if (this.searchValue) {
for (var i = index.groupIndex; i < this.optionsToDisplay.length; i++) {
for (var j = (index.groupIndex === i) ? (index.itemIndex + 1) : 0; j < this.optionsToDisplay[i].items.length; j++) {
var opt = this.optionsToDisplay[i].items[j];
if (opt.label.toLowerCase().startsWith(this.searchValue.toLowerCase())) {
return opt;
}
}
}
if (!option) {
for (var i = 0; i <= index.groupIndex; i++) {
for (var j = 0; j < ((index.groupIndex === i) ? index.itemIndex : this.optionsToDisplay[i].items.length); j++) {
var opt = this.optionsToDisplay[i].items[j];
if (opt.label.toLowerCase().startsWith(this.searchValue.toLowerCase())) {
return opt;
}
}
}
}
}
return null;
};
Dropdown.prototype.findOptionIndex = function (val, opts) {
var index = -1;
if (opts) {
for (var 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;
};
Dropdown.prototype.findOptionGroupIndex = function (val, opts) {
var groupIndex, itemIndex;
if (opts) {
for (var 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;
}
};
Dropdown.prototype.findOption = function (val, opts, inGroup) {
var e_1, _a;
if (this.group && !inGroup) {
var opt = void 0;
if (opts && opts.length) {
try {
for (var opts_1 = __values(opts), opts_1_1 = opts_1.next(); !opts_1_1.done; opts_1_1 = opts_1.next()) {
var optgroup = opts_1_1.value;
opt = this.findOption(val, optgroup.items, true);
if (opt) {
break;
}
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (opts_1_1 && !opts_1_1.done && (_a = opts_1.return)) _a.call(opts_1);
}
finally { if (e_1) throw e_1.error; }
}
}
return opt;
}
else {
var index = this.findOptionIndex(val, opts);
return (index != -1) ? opts[index] : null;
}
};
Dropdown.prototype.onFilter = function (event) {
var inputValue = event.target.value;
if (inputValue && inputValue.length) {
this.filterValue = inputValue;
this.activateFilter();
}
else {
this.filterValue = null;
this.optionsToDisplay = this.options;
}
this.optionsChanged = true;
};
Dropdown.prototype.activateFilter = function () {
var e_2, _a;
var searchFields = this.filterBy.split(',');
if (this.options && this.options.length) {
if (this.group) {
var filteredGroups = [];
try {
for (var _b = __values(this.options), _c = _b.next(); !_c.done; _c = _b.next()) {
var optgroup = _c.value;
var filteredSubOptions = FilterUtils.filter(optgroup.items, searchFields, this.filterValue, this.filterMatchMode);
if (filteredSubOptions && filteredSubOptions.length) {
filteredGroups.push({
label: optgroup.label,
value: optgroup.value,
items: filteredSubOptions
});
}
}
}
catch (e_2_1) { e_2 = { error: e_2_1 }; }
finally {
try {
if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
}
finally { if (e_2) throw e_2.error; }
}
this.optionsToDisplay = filteredGroups;
}
else {
this.optionsToDisplay = FilterUtils.filter(this.options, searchFields, this.filterValue, this.filterMatchMode);
}
this.optionsChanged = true;
}
};
Dropdown.prototype.applyFocus = function () {
if (this.editable)
DomHandler.findSingle(this.el.nativeElement, '.ui-dropdown-label.ui-inputtext').focus();
else
DomHandler.findSingle(this.el.nativeElement, 'input[readonly]').focus();
};
Dropdown.prototype.focus = function () {
this.applyFocus();
};
Dropdown.prototype.bindDocumentClickListener = function () {
var _this = this;
if (!this.documentClickListener) {
this.documentClickListener = this.renderer.listen('document', 'click', function (event) {
if (!_this.selfClick && !_this.itemClick) {
_this.hide(event);
_this.unbindDocumentClickListener();
}
_this.clearClickState();
_this.cd.markForCheck();
});
}
};
Dropdown.prototype.clearClickState = function () {
this.selfClick = false;
this.itemClick = false;
};
Dropdown.prototype.unbindDocumentClickListener = function () {
if (this.documentClickListener) {
this.documentClickListener();
this.documentClickListener = null;
}
};
Dropdown.prototype.bindDocumentResizeListener = function () {
this.documentResizeListener = this.onWindowResize.bind(this);
window.addEventListener('resize', this.documentResizeListener);
};
Dropdown.prototype.unbindDocumentResizeListener = function () {
if (this.documentResizeListener) {
window.removeEventListener('resize', this.documentResizeListener);
this.documentResizeListener = null;
}
};
Dropdown.prototype.onWindowResize = function () {
if (!DomHandler.isAndroid()) {
this.hide(event);
}
};
Dropdown.prototype.updateFilledState = function () {
this.filled = (this.selectedOption != null);
};
Dropdown.prototype.clear = function (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();
};
Dropdown.prototype.onOverlayHide = function () {
this.unbindDocumentClickListener();
this.unbindDocumentResizeListener();
this.overlay = null;
this.itemsWrapper = null;
this.onModelTouched();
};
Dropdown.prototype.ngOnDestroy = function () {
this.restoreOverlayAppend();
this.onOverlayHide();
};
Dropdown.ctorParameters = function () { return [
{ 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([
Input()
], Dropdown.prototype, "autofocusFilter", 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')
], Dropdown.prototype, "containerViewChild", void 0);
__decorate([
ViewChild('filter')
], Dropdown.prototype, "filterViewChild", void 0);
__decorate([
ViewChild('in')
], Dropdown.prototype, "focusViewChild", void 0);
__decorate([
ViewChild(CdkVirtualScrollViewport)
], Dropdown.prototype, "viewPort", void 0);
__decorate([
ViewChild('editableInput')
], 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: "\n <div #container [ngClass]=\"{'ui-dropdown ui-widget ui-state-default ui-corner-all':true,\n 'ui-state-disabled':disabled, 'ui-dropdown-open':overlayVisible, 'ui-state-focus':focused, 'ui-dropdown-clearable': showClear && !disabled}\"\n (click)=\"onMouseclick($event)\" [ngStyle]=\"style\" [class]=\"styleClass\">\n <div class=\"ui-helper-hidden-accessible\">\n <input #in [attr.id]=\"inputId\" type=\"text\" [attr.aria-label]=\"selectedOption ? selectedOption.label : ' '\" readonly (focus)=\"onInputFocus($event)\" aria-haspopup=\"listbox\"\n aria-haspopup=\"listbox\" [attr.aria-expanded]=\"overlayVisible\" [attr.aria-labelledby]=\"ariaLabelledBy\" (blur)=\"onInputBlur($event)\" (keydown)=\"onKeydown($event, true)\" \n [disabled]=\"disabled\" [attr.tabindex]=\"tabindex\" [attr.autofocus]=\"autofocus\" role=\"listbox\">\n </div>\n <div class=\"ui-dropdown-label-container\" [pTooltip]=\"tooltip\" [tooltipPosition]=\"tooltipPosition\" [positionStyle]=\"tooltipPositionStyle\" [tooltipStyleClass]=\"tooltipStyleClass\">\n <label [ngClass]=\"{'ui-dropdown-label ui-inputtext ui-corner-all':true,'ui-dropdown-label-empty':(label == null || label.length === 0)}\" *ngIf=\"!editable && (label != null)\">\n <ng-container *ngIf=\"!selectedItemTemplate\">{{label||'empty'}}</ng-container>\n <ng-container *ngTemplateOutlet=\"selectedItemTemplate; context: {$implicit: selectedOption}\"></ng-container>\n </label>\n <label [ngClass]=\"{'ui-dropdown-label ui-inputtext ui-corner-all ui-placeholder':true,'ui-dropdown-label-empty': (placeholder == null || placeholder.length === 0)}\" *ngIf=\"!editable && (label == null)\">{{placeholder||'empty'}}</label>\n <input #editableInput type=\"text\" [attr.maxlength]=\"maxlength\" [attr.aria-label]=\"selectedOption ? selectedOption.label : ' '\" class=\"ui-dropdown-label ui-inputtext ui-corner-all\" *ngIf=\"editable\" [disabled]=\"disabled\" [attr.placeholder]=\"placeholder\"\n aria-haspopup=\"listbox\" [attr.aria-expanded]=\"overlayVisible\" (click)=\"onEditableInputClick($event)\" (input)=\"onEditableInputChange($event)\" (focus)=\"onEditableInputFocus($event)\" (blur)=\"onInputBlur($event)\">\n <i class=\"ui-dropdown-clear-icon pi pi-times\" (click)=\"clear($event)\" *ngIf=\"value != null && showClear && !disabled\"></i>\n </div>\n <div class=\"ui-dropdown-trigger ui-state-default ui-corner-right\" role=\"button\" aria-haspopup=\"listbox\" [attr.aria-expanded]=\"overlayVisible\">\n <span class=\"ui-dropdown-trigger-icon ui-clickable\" [ngClass]=\"dropdownIcon\"></span>\n </div>\n <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($event)\" [ngStyle]=\"panelStyle\" [class]=\"panelStyleClass\">\n <div *ngIf=\"filter\" class=\"ui-dropdown-filter-container\" (click)=\"$event.stopPropagation()\">\n <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\"\n (keydown.enter)=\"$event.preventDefault()\" (keydown)=\"onKeydown($event, false)\" (input)=\"onFilter($event)\" [attr.aria-label]=\"ariaFilterLabel\">\n <span class=\"ui-dropdown-filter-icon pi pi-search\"></span>\n </div>\n <div class=\"ui-dropdown-items-wrapper\" [style.max-height]=\"virtualScroll ? 'auto' : (scrollHeight||'auto')\">\n <ul class=\"ui-dropdown-items ui-dropdown-list ui-widget-content ui-widget ui-corner-all ui-helper-reset\" role=\"listbox\">\n <ng-container *ngIf=\"group\">\n <ng-template ngFor let-optgroup [ngForOf]=\"optionsToDisplay\">\n <li class=\"ui-dropdown-item-group\">\n <span *ngIf=\"!groupTemplate\">{{optgroup.label||'empty'}}</span>\n <ng-container *ngTemplateOutlet=\"groupTemplate; context: {$implicit: optgroup}\"></ng-container>\n </li>\n <ng-container *ngTemplateOutlet=\"itemslist; context: {$implicit: optgroup.items, selectedOption: selectedOption}\"></ng-container>\n </ng-template>\n </ng-container>\n <ng-container *ngIf=\"!group\">\n <ng-container *ngTemplateOutlet=\"itemslist; context: {$implicit: optionsToDisplay, selectedOption: selectedOption}\"></ng-container>\n </ng-container>\n <ng-template #itemslist let-options let-selectedOption=\"selectedOption\">\n\n <ng-container *ngIf=\"!virtualScroll; else virtualScrollList\">\n <ng-template ngFor let-option let-i=\"index\" [ngForOf]=\"options\">\n <p-dropdownItem [option]=\"option\" [selected]=\"selectedOption == option\" \n (onClick)=\"onItemClick($event)\"\n [template]=\"itemTemplate\"></p-dropdownItem>\n </ng-template>\n </ng-container>\n <ng-template #virtualScrollList>\n <cdk-virtual-scroll-viewport (scrolledIndexChange)=\"scrollToSelectedVirtualScrollElement()\" #viewport [ngStyle]=\"{'height': scrollHeight}\" [itemSize]=\"itemSize\" *ngIf=\"virtualScroll && optionsToDisplay && optionsToDisplay.length\">\n <ng-container *cdkVirtualFor=\"let option of options; let i = index; let c = count; let f = first; let l = last; let e = even; let o = odd\"> \n <p-dropdownItem [option]=\"option\" [selected]=\"selectedOption == option\"\n (onClick)=\"onItemClick($event)\"\n [template]=\"itemTemplate\"></p-dropdownItem>\n </ng-container>\n </cdk-virtual-scroll-viewport>\n </ng-template>\n </ng-template>\n <li *ngIf=\"filter && (!optionsToDisplay || (optionsToDisplay && optionsToDisplay.length === 0))\" class=\"ui-dropdown-empty-message\">{{emptyFilterMessage}}</li>\n </ul>\n </div>\n </div>\n </div>\n ",
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],
changeDetection: ChangeDetectionStrategy.Default
})
], Dropdown);
return Dropdown;
}());
export { Dropdown };
var DropdownModule = /** @class */ (function () {
function DropdownModule() {
}
DropdownModule = __decorate([
NgModule({
imports: [CommonModule, SharedModule, ScrollingModule, TooltipModule],
exports: [Dropdown, SharedModule, ScrollingModule],
declarations: [Dropdown, DropdownItem]
})
], DropdownModule);
return DropdownModule;
}());
export { DropdownModule };
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