primeng
Version:
[](https://opensource.org/licenses/MIT) [](https://badge.fury.io/js/primeng) [ • 10.1 kB
JavaScript
import { forwardRef, EventEmitter, Component, ChangeDetectionStrategy, ViewEncapsulation, ElementRef, ChangeDetectorRef, Input, Output, ViewChild, ContentChildren, NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';
import { PrimeTemplate, SharedModule } from 'primeng/api';
import { InputTextModule } from 'primeng/inputtext';
import { NG_VALUE_ACCESSOR } from '@angular/forms';
const CHIPS_VALUE_ACCESSOR = {
provide: NG_VALUE_ACCESSOR,
useExisting: forwardRef(() => Chips),
multi: true
};
class Chips {
constructor(el, cd) {
this.el = el;
this.cd = cd;
this.allowDuplicate = true;
this.onAdd = new EventEmitter();
this.onRemove = new EventEmitter();
this.onFocus = new EventEmitter();
this.onBlur = new EventEmitter();
this.onChipClick = new EventEmitter();
this.onModelChange = () => { };
this.onModelTouched = () => { };
}
ngAfterContentInit() {
this.templates.forEach((item) => {
switch (item.getType()) {
case 'item':
this.itemTemplate = item.template;
break;
default:
this.itemTemplate = item.template;
break;
}
});
}
onClick() {
this.inputViewChild.nativeElement.focus();
}
onInput() {
this.updateFilledState();
}
onPaste(event) {
if (!this.disabled) {
if (this.separator) {
let pastedData = (event.clipboardData || window['clipboardData']).getData('Text');
pastedData.split(this.separator).forEach(val => {
this.addItem(event, val, true);
});
this.inputViewChild.nativeElement.value = '';
}
this.updateFilledState();
}
}
updateFilledState() {
if (!this.value || this.value.length === 0) {
this.filled = (this.inputViewChild.nativeElement && this.inputViewChild.nativeElement.value != '');
}
else {
this.filled = true;
}
}
onItemClick(event, item) {
this.onChipClick.emit({
originalEvent: event,
value: item
});
}
writeValue(value) {
this.value = value;
this.updateMaxedOut();
this.cd.markForCheck();
}
registerOnChange(fn) {
this.onModelChange = fn;
}
registerOnTouched(fn) {
this.onModelTouched = fn;
}
setDisabledState(val) {
this.disabled = val;
this.cd.markForCheck();
}
resolveFieldData(data, field) {
if (data && field) {
if (field.indexOf('.') == -1) {
return data[field];
}
else {
let fields = field.split('.');
let value = data;
for (var i = 0, len = fields.length; i < len; ++i) {
value = value[fields[i]];
}
return value;
}
}
else {
return null;
}
}
onInputFocus(event) {
this.focus = true;
this.onFocus.emit(event);
}
onInputBlur(event) {
this.focus = false;
if (this.addOnBlur && this.inputViewChild.nativeElement.value) {
this.addItem(event, this.inputViewChild.nativeElement.value, false);
}
this.onModelTouched();
this.onBlur.emit(event);
}
removeItem(event, index) {
if (this.disabled) {
return;
}
let removedItem = this.value[index];
this.value = this.value.filter((val, i) => i != index);
this.onModelChange(this.value);
this.onRemove.emit({
originalEvent: event,
value: removedItem
});
this.updateFilledState();
this.updateMaxedOut();
}
addItem(event, item, preventDefault) {
this.value = this.value || [];
if (item && item.trim().length) {
if (this.allowDuplicate || this.value.indexOf(item) === -1) {
this.value = [...this.value, item];
this.onModelChange(this.value);
this.onAdd.emit({
originalEvent: event,
value: item
});
}
}
this.updateFilledState();
this.updateMaxedOut();
this.inputViewChild.nativeElement.value = '';
if (preventDefault) {
event.preventDefault();
}
}
onKeydown(event) {
switch (event.which) {
//backspace
case 8:
if (this.inputViewChild.nativeElement.value.length === 0 && this.value && this.value.length > 0) {
this.value = [...this.value];
let removedItem = this.value.pop();
this.onModelChange(this.value);
this.onRemove.emit({
originalEvent: event,
value: removedItem
});
this.updateFilledState();
}
break;
//enter
case 13:
this.addItem(event, this.inputViewChild.nativeElement.value, true);
break;
case 9:
if (this.addOnTab && this.inputViewChild.nativeElement.value !== '') {
this.addItem(event, this.inputViewChild.nativeElement.value, true);
}
break;
default:
if (this.max && this.value && this.max === this.value.length) {
event.preventDefault();
}
else if (this.separator) {
if (this.separator === ',' && event.which === 188) {
this.addItem(event, this.inputViewChild.nativeElement.value, true);
}
}
break;
}
}
updateMaxedOut() {
if (this.inputViewChild && this.inputViewChild.nativeElement) {
if (this.max && this.value && this.max === this.value.length)
this.inputViewChild.nativeElement.disabled = true;
else
this.inputViewChild.nativeElement.disabled = this.disabled || false;
}
}
}
Chips.decorators = [
{ type: Component, args: [{
selector: 'p-chips',
template: `
<div [ngClass]="'p-chips p-component'" [ngStyle]="style" [class]="styleClass" (click)="onClick()">
<ul [ngClass]="{'p-inputtext p-chips-multiple-container':true,'p-focus':focus,'p-disabled':disabled}">
<li #token *ngFor="let item of value; let i = index;" class="p-chips-token" (click)="onItemClick($event, item)">
<ng-container *ngTemplateOutlet="itemTemplate; context: {$implicit: item}"></ng-container>
<span *ngIf="!itemTemplate" class="p-chips-token-label">{{field ? resolveFieldData(item,field) : item}}</span>
<span *ngIf="!disabled" class="p-chips-token-icon pi pi-times-circle" (click)="removeItem($event,i)"></span>
</li>
<li class="p-chips-input-token">
<input #inputtext type="text" [attr.id]="inputId" [attr.placeholder]="(value && value.length ? null : placeholder)" [attr.tabindex]="tabindex" (keydown)="onKeydown($event)"
(input)="onInput()" (paste)="onPaste($event)" [attr.aria-labelledby]="ariaLabelledBy" (focus)="onInputFocus($event)" (blur)="onInputBlur($event)" [disabled]="disabled" [ngStyle]="inputStyle" [class]="inputStyleClass">
</li>
</ul>
</div>
`,
host: {
'[class.p-inputwrapper-filled]': 'filled',
'[class.p-inputwrapper-focus]': 'focus'
},
providers: [CHIPS_VALUE_ACCESSOR],
changeDetection: ChangeDetectionStrategy.OnPush,
encapsulation: ViewEncapsulation.None,
styles: [".p-chips{display:inline-flex}.p-chips-multiple-container{align-items:center;cursor:text;display:flex;flex-wrap:wrap;list-style-type:none;margin:0;overflow:hidden;padding:0}.p-chips-token{align-items:center;cursor:default;display:inline-flex;flex:0 0 auto}.p-chips-input-token{display:inline-flex;flex:1 1 auto}.p-chips-token-icon{cursor:pointer}.p-chips-input-token input{background-color:transparent;border:0;border-radius:0;box-shadow:none;margin:0;outline:0 none;padding:0;width:100%}.p-fluid .p-chips{display:flex}"]
},] }
];
Chips.ctorParameters = () => [
{ type: ElementRef },
{ type: ChangeDetectorRef }
];
Chips.propDecorators = {
style: [{ type: Input }],
styleClass: [{ type: Input }],
disabled: [{ type: Input }],
field: [{ type: Input }],
placeholder: [{ type: Input }],
max: [{ type: Input }],
ariaLabelledBy: [{ type: Input }],
tabindex: [{ type: Input }],
inputId: [{ type: Input }],
allowDuplicate: [{ type: Input }],
inputStyle: [{ type: Input }],
inputStyleClass: [{ type: Input }],
addOnTab: [{ type: Input }],
addOnBlur: [{ type: Input }],
separator: [{ type: Input }],
onAdd: [{ type: Output }],
onRemove: [{ type: Output }],
onFocus: [{ type: Output }],
onBlur: [{ type: Output }],
onChipClick: [{ type: Output }],
inputViewChild: [{ type: ViewChild, args: ['inputtext',] }],
templates: [{ type: ContentChildren, args: [PrimeTemplate,] }]
};
class ChipsModule {
}
ChipsModule.decorators = [
{ type: NgModule, args: [{
imports: [CommonModule, InputTextModule, SharedModule],
exports: [Chips, InputTextModule, SharedModule],
declarations: [Chips]
},] }
];
/**
* Generated bundle index. Do not edit.
*/
export { CHIPS_VALUE_ACCESSOR, Chips, ChipsModule };
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