(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/cdk/scrolling'), require('@angular/core'), require('@angular/animations'), require('@angular/common'), require('primeng/api'), require('primeng/dom'), require('primeng/utils'), require('@angular/forms'), require('primeng/tooltip'), require('primeng/ripple')) :
typeof define === 'function' && define.amd ? define('primeng/dropdown', ['exports', '@angular/cdk/scrolling', '@angular/core', '@angular/animations', '@angular/common', 'primeng/api', 'primeng/dom', 'primeng/utils', '@angular/forms', 'primeng/tooltip', 'primeng/ripple'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory((global.primeng = global.primeng || {}, global.primeng.dropdown = {}), global.ng.cdk.scrolling, global.ng.core, global.ng.animations, global.ng.common, global.primeng.api, global.primeng.dom, global.primeng.utils, global.ng.forms, global.primeng.tooltip, global.primeng.ripple));
}(this, (function (exports, scrolling, core, animations, common, api, dom, utils, forms, tooltip, ripple) { 'use strict';
/*! *****************************************************************************
Copyright (c) Microsoft Corporation.
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
***************************************************************************** */
/* global Reflect, Promise */
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b)
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}
function __importDefault(mod) {
return (mod && mod.__esModule) ? mod : { default: mod };
}
function __classPrivateFieldGet(receiver, privateMap) {
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}
var DROPDOWN_VALUE_ACCESSOR = {
provide: forms.NG_VALUE_ACCESSOR,
useExisting: core.forwardRef(function () { return Dropdown; }),
multi: true
};
var DropdownItem = /** @class */ (function () {
function DropdownItem() {
this.onClick = new core.EventEmitter();
}
DropdownItem.prototype.onOptionClick = function (event) {
this.onClick.emit({
originalEvent: event,
option: this.option
});
};
return DropdownItem;
}());
DropdownItem.decorators = [
{ type: core.Component, args: [{
selector: 'p-dropdownItem',
template: "\n \n {{option.label||'empty'}}\n \n \n "
},] }
];
DropdownItem.propDecorators = {
option: [{ type: core.Input }],
selected: [{ type: core.Input }],
disabled: [{ type: core.Input }],
visible: [{ type: core.Input }],
itemSize: [{ type: core.Input }],
template: [{ type: core.Input }],
onClick: [{ type: core.Output }]
};
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 = '.12s cubic-bezier(0, 0, 0.2, 1)';
this.hideTransitionOptions = '.1s linear';
this.filterMatchMode = "contains";
this.tooltip = '';
this.tooltipPosition = 'right';
this.tooltipPositionStyle = 'absolute';
this.autofocusFilter = true;
this.onChange = new core.EventEmitter();
this.onFocus = new core.EventEmitter();
this.onBlur = new core.EventEmitter();
this.onClick = new core.EventEmitter();
this.onShow = new core.EventEmitter();
this.onHide = new core.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: false,
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 ? utils.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: false,
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: false,
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;
if (!option.disabled) {
this.selectItem(event, option);
this.accessibleViewChild.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 = dom.DomHandler.findSingle(this.overlay, 'li.p-highlight');
if (selectedItem) {
dom.DomHandler.scrollInView(this.itemsWrapper, dom.DomHandler.findSingle(this.overlay, 'li.p-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;
this.cd.markForCheck();
};
Dropdown.prototype.onMouseclick = function (event) {
if (this.disabled || this.readonly || this.isInputClick(event)) {
return;
}
this.onClick.emit(event);
this.accessibleViewChild.nativeElement.focus();
if (this.overlayVisible)
this.hide(event);
else
this.show();
this.cd.detectChanges();
};
Dropdown.prototype.isInputClick = function (event) {
return dom.DomHandler.hasClass(event.target, 'p-dropdown-clear-icon') ||
event.target.isSameNode(this.accessibleViewChild.nativeElement) ||
(this.editableInputViewChild && event.target.isSameNode(this.editableInputViewChild.nativeElement));
};
Dropdown.prototype.isOutsideClicked = function (event) {
return !(this.el.nativeElement.isSameNode(event.target) || this.el.nativeElement.contains(event.target) || (this.overlay && this.overlay.contains(event.target)));
};
Dropdown.prototype.onEditableInputClick = function () {
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' : '.p-dropdown-items-wrapper';
this.itemsWrapper = dom.DomHandler.findSingle(this.overlay, itemsWrapperSelector);
this.appendOverlay();
if (this.autoZIndex) {
this.overlay.style.zIndex = String(this.baseZIndex + (++dom.DomHandler.zindex));
}
this.alignOverlay();
this.bindDocumentClickListener();
this.bindDocumentResizeListener();
this.bindScrollListener();
if (this.options && this.options.length) {
if (!this.virtualScroll) {
var selectedListItem = dom.DomHandler.findSingle(this.itemsWrapper, '.p-dropdown-item.p-highlight');
if (selectedListItem) {
dom.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
dom.DomHandler.appendChild(this.overlay, this.appendTo);
if (!this.overlay.style.minWidth) {
this.overlay.style.minWidth = dom.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)
dom.DomHandler.absolutePosition(this.overlay, this.containerViewChild.nativeElement);
else
dom.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 && !newOption.disabled) {
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.toLocaleLowerCase(this.filterLocale).startsWith(this.searchValue.toLocaleLowerCase(this.filterLocale)) && !opt.disabled) {
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.toLocaleLowerCase(this.filterLocale).startsWith(this.searchValue.toLocaleLowerCase(this.filterLocale)) && !opt.disabled) {
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.toLocaleLowerCase(this.filterLocale).startsWith(this.searchValue.toLocaleLowerCase(this.filterLocale)) && !opt.disabled) {
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) || utils.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 = utils.FilterUtils.filter(optgroup.items, searchFields, this.filterValue, this.filterMatchMode, this.filterLocale);
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 = utils.FilterUtils.filter(this.options, searchFields, this.filterValue, this.filterMatchMode, this.filterLocale);
}
this.optionsChanged = true;
}
};
Dropdown.prototype.applyFocus = function () {
if (this.editable)
dom.DomHandler.findSingle(this.el.nativeElement, '.p-dropdown-label.p-inputtext').focus();
else
dom.DomHandler.findSingle(this.el.nativeElement, 'input[readonly]').focus();
};
Dropdown.prototype.focus = function () {
this.applyFocus();
};
Dropdown.prototype.bindDocumentClickListener = function () {
var _this = this;
if (!this.documentClickListener) {
var documentTarget = this.el ? this.el.nativeElement.ownerDocument : 'document';
this.documentClickListener = this.renderer.listen(documentTarget, 'click', function (event) {
if (_this.isOutsideClicked(event)) {
_this.hide(event);
_this.unbindDocumentClickListener();
}
_this.cd.markForCheck();
});
}
};
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 (!dom.DomHandler.isAndroid()) {
this.hide(event);
}
};
Dropdown.prototype.bindScrollListener = function () {
var _this = this;
if (!this.scrollHandler) {
this.scrollHandler = new dom.ConnectedOverlayScrollHandler(this.containerViewChild.nativeElement, function (event) {
if (_this.overlayVisible) {
_this.hide(event);
}
});
}
this.scrollHandler.bindScrollListener();
};
Dropdown.prototype.unbindScrollListener = function () {
if (this.scrollHandler) {
this.scrollHandler.unbindScrollListener();
}
};
Dropdown.prototype.updateFilledState = function () {
this.filled = (this.selectedOption != null);
};
Dropdown.prototype.clear = function (event) {
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.unbindScrollListener();
this.overlay = null;
this.itemsWrapper = null;
this.onModelTouched();
};
Dropdown.prototype.ngOnDestroy = function () {
if (this.scrollHandler) {
this.scrollHandler.destroy();
this.scrollHandler = null;
}
this.restoreOverlayAppend();
this.onOverlayHide();
};
return Dropdown;
}());
Dropdown.decorators = [
{ type: core.Component, args: [{
selector: 'p-dropdown',
template: "\n \n
\n \n
\n
\n {{label||'empty'}}\n \n \n
{{placeholder||'empty'}}\n
\n
\n
\n \n
\n
\n \n
\n
\n \n \n - \n {{optgroup.label||'empty'}}\n \n
\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n - {{emptyFilterMessage}}
\n
\n
\n
\n