@_mehrad/ngx-chips
Version:
Tag Input component for Angular
282 lines • 34.6 kB
JavaScript
import { Component, Input, Output, EventEmitter, HostListener, HostBinding, ViewChild } from '@angular/core';
import { TagRipple } from '../tag/tag-ripple.component';
import * as i0 from "@angular/core";
import * as i1 from "@angular/common";
import * as i2 from "../icon/icon";
import * as i3 from "./tag-ripple.component";
// mocking navigator
const navigator = typeof window !== 'undefined' ? window.navigator : {
userAgent: 'Chrome',
vendor: 'Google Inc'
};
const isChrome = /Chrome/.test(navigator.userAgent) && /Google Inc/.test(navigator.vendor);
export class TagComponent {
constructor(element, renderer, cdRef) {
this.element = element;
this.renderer = renderer;
this.cdRef = cdRef;
/**
* @name disabled
*/
this.disabled = false;
/**
* @name onSelect
*/
this.onSelect = new EventEmitter();
/**
* @name onRemove
*/
this.onRemove = new EventEmitter();
/**
* @name onBlur
*/
this.onBlur = new EventEmitter();
/**
* @name onKeyDown
*/
this.onKeyDown = new EventEmitter();
/**
* @name onTagEdited
*/
this.onTagEdited = new EventEmitter();
/**
* @name editing
*/
this.editing = false;
/**
* @name rippleState
*/
this.rippleState = 'none';
}
/**
* @name readonly {boolean}
*/
get readonly() {
return typeof this.model !== 'string' && this.model.readonly === true;
}
/**
* @name select
*/
select($event) {
if (this.readonly || this.disabled) {
return;
}
if ($event) {
$event.stopPropagation();
}
this.focus();
this.onSelect.emit(this.model);
}
/**
* @name remove
*/
remove($event) {
$event.stopPropagation();
this.onRemove.emit(this);
}
/**
* @name focus
*/
focus() {
this.element.nativeElement.focus();
}
move() {
this.moving = true;
}
/**
* @name keydown
* @param event
*/
keydown(event) {
if (this.editing) {
if (event.keyCode === 13) {
return this.disableEditMode(event);
}
}
else {
this.onKeyDown.emit({ event, model: this.model });
}
}
/**
* @name blink
*/
blink() {
const classList = this.element.nativeElement.classList;
classList.add('blink');
setTimeout(() => classList.remove('blink'), 50);
}
/**
* @name toggleEditMode
*/
toggleEditMode() {
if (this.editable) {
return this.editing ? undefined : this.activateEditMode();
}
}
/**
* @name onBlurred
* @param event
*/
onBlurred(event) {
// Checks if it is editable first before handeling the onBlurred event in order to prevent
// a bug in IE where tags are still editable with onlyFromAutocomplete set to true
if (!this.editable) {
return;
}
this.disableEditMode();
const value = event.target.innerText;
const result = typeof this.model === 'string'
? value
: { ...this.model, [this.displayBy]: value };
this.onBlur.emit(result);
}
/**
* @name getDisplayValue
* @param item
*/
getDisplayValue(item) {
return typeof item === 'string' ? item : item[this.displayBy];
}
/**
* @desc returns whether the ripple is visible or not
* only works in Chrome
* @name isRippleVisible
*/
get isRippleVisible() {
return !this.readonly && !this.editing && isChrome && this.hasRipple;
}
/**
* @name disableEditMode
* @param $event
*/
disableEditMode($event) {
const classList = this.element.nativeElement.classList;
const input = this.getContentEditableText();
this.editing = false;
classList.remove('tag--editing');
if (!input) {
this.setContentEditableText(this.model);
return;
}
this.storeNewValue(input);
this.cdRef.detectChanges();
if ($event) {
$event.preventDefault();
}
}
/**
* @name isDeleteIconVisible
*/
isDeleteIconVisible() {
return (!this.readonly && !this.disabled && this.removable && !this.editing);
}
/**
* @name getContentEditableText
*/
getContentEditableText() {
const input = this.getContentEditable();
return input ? input.innerText.trim() : '';
}
/**
* @name setContentEditableText
* @param model
*/
setContentEditableText(model) {
const input = this.getContentEditable();
const value = this.getDisplayValue(model);
input.innerText = value;
}
/**
* @name
*/
activateEditMode() {
const classList = this.element.nativeElement.classList;
classList.add('tag--editing');
this.editing = true;
}
/**
* @name storeNewValue
* @param input
*/
storeNewValue(input) {
const exists = (tag) => {
return typeof tag === 'string'
? tag === input
: tag[this.displayBy] === input;
};
const hasId = () => {
return this.model[this.identifyBy] !== this.model[this.displayBy];
};
// if the value changed, replace the value in the model
if (exists(this.model)) {
return;
}
const model = typeof this.model === 'string'
? input
: {
index: this.index,
[this.identifyBy]: hasId()
? this.model[this.identifyBy]
: input,
[this.displayBy]: input
};
if (this.canAddTag(model)) {
this.onTagEdited.emit({ tag: model, index: this.index });
}
else {
this.setContentEditableText(this.model);
}
}
/**
* @name getContentEditable
*/
getContentEditable() {
return this.element.nativeElement.querySelector('[contenteditable]');
}
}
TagComponent.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "15.2.10", ngImport: i0, type: TagComponent, deps: [{ token: i0.ElementRef }, { token: i0.Renderer2 }, { token: i0.ChangeDetectorRef }], target: i0.ɵɵFactoryTarget.Component });
TagComponent.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "15.2.10", type: TagComponent, selector: "tag", inputs: { model: "model", removable: "removable", editable: "editable", template: "template", displayBy: "displayBy", identifyBy: "identifyBy", index: "index", hasRipple: "hasRipple", disabled: "disabled", canAddTag: "canAddTag" }, outputs: { onSelect: "onSelect", onRemove: "onRemove", onBlur: "onBlur", onKeyDown: "onKeyDown", onTagEdited: "onTagEdited" }, host: { listeners: { "keydown": "keydown($event)" }, properties: { "class.moving": "this.moving" } }, viewQueries: [{ propertyName: "ripple", first: true, predicate: TagRipple, descendants: true }], ngImport: i0, template: "<div (click)=\"select($event)\"\n (dblclick)=\"toggleEditMode()\"\n (mousedown)=\"rippleState='clicked'\"\n (mouseup)=\"rippleState='none'\"\n [ngSwitch]=\"!!template\"\n [class.disabled]=\"disabled\"\n [attr.tabindex]=\"-1\"\n [attr.aria-label]=\"getDisplayValue(model)\">\n\n <div *ngSwitchCase=\"true\" [attr.contenteditable]=\"editing\">\n <!-- CUSTOM TEMPLATE -->\n <ng-template\n [ngTemplateOutletContext]=\"{ item: model, index: index }\"\n [ngTemplateOutlet]=\"template\">\n </ng-template>\n </div>\n\n <div *ngSwitchCase=\"false\" class=\"tag-wrapper\">\n <!-- TAG NAME -->\n <div [attr.contenteditable]=\"editing\"\n [attr.title]=\"getDisplayValue(model)\"\n class=\"tag__text inline\"\n spellcheck=\"false\"\n (keydown.enter)=\"disableEditMode($event)\"\n (keydown.escape)=\"disableEditMode($event)\"\n (click)=\"editing ? $event.stopPropagation() : undefined\"\n (blur)=\"onBlurred($event)\">\n {{ getDisplayValue(model) }}\n </div>\n\n <!-- 'X' BUTTON -->\n <delete-icon\n aria-label=\"Remove tag\"\n role=\"button\"\n (click)=\"remove($event)\"\n *ngIf=\"isDeleteIconVisible()\">\n </delete-icon>\n </div>\n</div>\n\n<tag-ripple [state]=\"rippleState\"\n [attr.tabindex]=\"-1\"\n *ngIf=\"isRippleVisible\">\n</tag-ripple>\n", styles: [":host,:host>div,:host>div:focus{outline:0;overflow:hidden;transition:opacity 1s;z-index:1}:host{max-width:400px}:host.blink{animation:blink .3s normal forwards ease-in-out}@keyframes blink{0%{opacity:.3}}:host .disabled{cursor:not-allowed}:host [contenteditable=true]{outline:0}.tag-wrapper{flex-direction:row;display:flex}.tag__text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}\n"], dependencies: [{ kind: "directive", type: i1.NgIf, selector: "[ngIf]", inputs: ["ngIf", "ngIfThen", "ngIfElse"] }, { kind: "directive", type: i1.NgTemplateOutlet, selector: "[ngTemplateOutlet]", inputs: ["ngTemplateOutletContext", "ngTemplateOutlet", "ngTemplateOutletInjector"] }, { kind: "directive", type: i1.NgSwitch, selector: "[ngSwitch]", inputs: ["ngSwitch"] }, { kind: "directive", type: i1.NgSwitchCase, selector: "[ngSwitchCase]", inputs: ["ngSwitchCase"] }, { kind: "component", type: i2.DeleteIconComponent, selector: "delete-icon" }, { kind: "component", type: i3.TagRipple, selector: "tag-ripple", inputs: ["state"] }] });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "15.2.10", ngImport: i0, type: TagComponent, decorators: [{
type: Component,
args: [{ selector: 'tag', template: "<div (click)=\"select($event)\"\n (dblclick)=\"toggleEditMode()\"\n (mousedown)=\"rippleState='clicked'\"\n (mouseup)=\"rippleState='none'\"\n [ngSwitch]=\"!!template\"\n [class.disabled]=\"disabled\"\n [attr.tabindex]=\"-1\"\n [attr.aria-label]=\"getDisplayValue(model)\">\n\n <div *ngSwitchCase=\"true\" [attr.contenteditable]=\"editing\">\n <!-- CUSTOM TEMPLATE -->\n <ng-template\n [ngTemplateOutletContext]=\"{ item: model, index: index }\"\n [ngTemplateOutlet]=\"template\">\n </ng-template>\n </div>\n\n <div *ngSwitchCase=\"false\" class=\"tag-wrapper\">\n <!-- TAG NAME -->\n <div [attr.contenteditable]=\"editing\"\n [attr.title]=\"getDisplayValue(model)\"\n class=\"tag__text inline\"\n spellcheck=\"false\"\n (keydown.enter)=\"disableEditMode($event)\"\n (keydown.escape)=\"disableEditMode($event)\"\n (click)=\"editing ? $event.stopPropagation() : undefined\"\n (blur)=\"onBlurred($event)\">\n {{ getDisplayValue(model) }}\n </div>\n\n <!-- 'X' BUTTON -->\n <delete-icon\n aria-label=\"Remove tag\"\n role=\"button\"\n (click)=\"remove($event)\"\n *ngIf=\"isDeleteIconVisible()\">\n </delete-icon>\n </div>\n</div>\n\n<tag-ripple [state]=\"rippleState\"\n [attr.tabindex]=\"-1\"\n *ngIf=\"isRippleVisible\">\n</tag-ripple>\n", styles: [":host,:host>div,:host>div:focus{outline:0;overflow:hidden;transition:opacity 1s;z-index:1}:host{max-width:400px}:host.blink{animation:blink .3s normal forwards ease-in-out}@keyframes blink{0%{opacity:.3}}:host .disabled{cursor:not-allowed}:host [contenteditable=true]{outline:0}.tag-wrapper{flex-direction:row;display:flex}.tag__text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}\n"] }]
}], ctorParameters: function () { return [{ type: i0.ElementRef }, { type: i0.Renderer2 }, { type: i0.ChangeDetectorRef }]; }, propDecorators: { model: [{
type: Input
}], removable: [{
type: Input
}], editable: [{
type: Input
}], template: [{
type: Input
}], displayBy: [{
type: Input
}], identifyBy: [{
type: Input
}], index: [{
type: Input
}], hasRipple: [{
type: Input
}], disabled: [{
type: Input
}], canAddTag: [{
type: Input
}], onSelect: [{
type: Output
}], onRemove: [{
type: Output
}], onBlur: [{
type: Output
}], onKeyDown: [{
type: Output
}], onTagEdited: [{
type: Output
}], moving: [{
type: HostBinding,
args: ['class.moving']
}], ripple: [{
type: ViewChild,
args: [TagRipple]
}], keydown: [{
type: HostListener,
args: ['keydown', ['$event']]
}] } });
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{\n    Component,\n    Input,\n    Output,\n    EventEmitter,\n    TemplateRef,\n    ElementRef,\n    HostListener,\n    HostBinding,\n    ViewChild,\n    ChangeDetectorRef,\n    Renderer2\n} from '@angular/core';\n\nimport { TagModel } from '../../core/tag-model';\nimport { TagRipple } from '../tag/tag-ripple.component';\n\n// mocking navigator\nconst navigator = typeof window !== 'undefined' ? window.navigator : {\n    userAgent: 'Chrome',\n    vendor: 'Google Inc'\n};\n\nconst isChrome = /Chrome/.test(navigator.userAgent) && /Google Inc/.test(navigator.vendor);\n\n@Component({\n    selector: 'tag',\n    templateUrl: './tag.template.html',\n    styleUrls: ['./tag-component.style.scss']\n})\nexport class TagComponent {\n    /**\n     * @name model {TagModel}\n     */\n    @Input()\n    public model: TagModel;\n\n    /**\n     * @name removable {boolean}\n     */\n    @Input()\n    public removable: boolean;\n\n    /**\n     * @name editable {boolean}\n     */\n    @Input()\n    public editable: boolean;\n\n    /**\n     * @name template {TemplateRef<any>}\n     */\n    @Input()\n    public template: TemplateRef<any>;\n\n    /**\n     * @name displayBy {string}\n     */\n    @Input()\n    public displayBy: string;\n\n    /**\n     * @name identifyBy {string}\n     */\n    @Input()\n    public identifyBy: string;\n\n    /**\n     * @name index {number}\n     */\n    @Input()\n    public index: number;\n\n    /**\n     * @name hasRipple\n     */\n    @Input()\n    public hasRipple: boolean;\n\n    /**\n     * @name disabled\n     */\n    @Input()\n    public disabled = false;\n\n    /**\n     * @name canAddTag\n     */\n    @Input()\n    public canAddTag: (tag: TagModel) => boolean;\n\n    /**\n     * @name onSelect\n     */\n    @Output()\n    public onSelect: EventEmitter<TagModel> = new EventEmitter<TagModel>();\n\n    /**\n     * @name onRemove\n     */\n    @Output()\n    public onRemove: EventEmitter<TagModel> = new EventEmitter<TagModel>();\n\n    /**\n     * @name onBlur\n     */\n    @Output()\n    public onBlur: EventEmitter<TagModel> = new EventEmitter<TagModel>();\n\n    /**\n     * @name onKeyDown\n     */\n    @Output()\n    public onKeyDown: EventEmitter<any> = new EventEmitter<any>();\n\n    /**\n     * @name onTagEdited\n     */\n    @Output()\n    public onTagEdited: EventEmitter<TagModel> = new EventEmitter<TagModel>();\n\n    /**\n     * @name readonly {boolean}\n     */\n    public get readonly(): boolean {\n        return typeof this.model !== 'string' && this.model.readonly === true;\n    }\n\n    /**\n     * @name editing\n     */\n    public editing = false;\n\n    /**\n     * @name moving\n     */\n    @HostBinding('class.moving')\n    public moving: boolean;\n\n    /**\n     * @name rippleState\n     */\n    public rippleState = 'none';\n\n    /**\n     * @name ripple {TagRipple}\n     */\n    @ViewChild(TagRipple)\n    public ripple: TagRipple;\n\n    constructor(\n        public element: ElementRef,\n        public renderer: Renderer2,\n        private cdRef: ChangeDetectorRef\n    ) {}\n\n    /**\n     * @name select\n     */\n    public select($event?: MouseEvent): void {\n        if (this.readonly || this.disabled) {\n            return;\n        }\n\n        if ($event) {\n            $event.stopPropagation();\n        }\n\n        this.focus();\n\n        this.onSelect.emit(this.model);\n    }\n\n    /**\n     * @name remove\n     */\n    public remove($event: MouseEvent): void {\n        $event.stopPropagation();\n        this.onRemove.emit(this);\n    }\n\n    /**\n     * @name focus\n     */\n    public focus(): void {\n        this.element.nativeElement.focus();\n    }\n\n    public move(): void {\n        this.moving = true;\n    }\n\n    /**\n     * @name keydown\n     * @param event\n     */\n    @HostListener('keydown', ['$event'])\n    public keydown(event: KeyboardEvent): void {\n        if (this.editing) {\n            if (event.keyCode === 13) {\n                return this.disableEditMode(event);\n            }\n        } else {\n            this.onKeyDown.emit({ event, model: this.model });\n        }\n    }\n\n    /**\n     * @name blink\n     */\n    public blink(): void {\n        const classList = this.element.nativeElement.classList;\n        classList.add('blink');\n\n        setTimeout(() => classList.remove('blink'), 50);\n    }\n\n    /**\n     * @name toggleEditMode\n     */\n    public toggleEditMode(): void {\n        if (this.editable) {\n            return this.editing ? undefined : this.activateEditMode();\n        }\n    }\n\n    /**\n     * @name onBlurred\n     * @param event\n     */\n    public onBlurred(event: any): void {\n        // Checks if it is editable first before handeling the onBlurred event in order to prevent\n        // a bug in IE where tags are still editable with onlyFromAutocomplete set to true\n        if (!this.editable) {\n            return;\n        }\n\n        this.disableEditMode();\n\n        const value: string = event.target.innerText;\n        const result =\n            typeof this.model === 'string'\n                ? value\n                : { ...this.model, [this.displayBy]: value };\n\n        this.onBlur.emit(result);\n    }\n\n    /**\n     * @name getDisplayValue\n     * @param item\n     */\n    public getDisplayValue(item: TagModel): string {\n        return typeof item === 'string' ? item : item[this.displayBy];\n    }\n\n    /**\n     * @desc returns whether the ripple is visible or not\n     * only works in Chrome\n     * @name isRippleVisible\n     */\n    public get isRippleVisible(): boolean {\n        return !this.readonly && !this.editing && isChrome && this.hasRipple;\n    }\n\n    /**\n     * @name disableEditMode\n     * @param $event\n     */\n    public disableEditMode($event?: Event): void {\n        const classList = this.element.nativeElement.classList;\n        const input = this.getContentEditableText();\n\n        this.editing = false;\n        classList.remove('tag--editing');\n\n        if (!input) {\n            this.setContentEditableText(this.model);\n            return;\n        }\n\n        this.storeNewValue(input);\n        this.cdRef.detectChanges();\n\n        if ($event) {\n            $event.preventDefault();\n        }\n    }\n\n    /**\n     * @name isDeleteIconVisible\n     */\n    public isDeleteIconVisible(): boolean {\n        return (\n            !this.readonly && !this.disabled && this.removable && !this.editing\n        );\n    }\n\n    /**\n     * @name getContentEditableText\n     */\n    private getContentEditableText(): string {\n        const input = this.getContentEditable();\n\n        return input ? input.innerText.trim() : '';\n    }\n\n    /**\n     * @name setContentEditableText\n     * @param model\n     */\n    private setContentEditableText(model: TagModel) {\n        const input = this.getContentEditable();\n        const value = this.getDisplayValue(model);\n\n        input.innerText = value;\n    }\n\n    /**\n     * @name\n     */\n    private activateEditMode(): void {\n        const classList = this.element.nativeElement.classList;\n        classList.add('tag--editing');\n\n        this.editing = true;\n    }\n\n    /**\n     * @name storeNewValue\n     * @param input\n     */\n    private storeNewValue(input: string): void {\n        const exists = (tag: TagModel) => {\n            return typeof tag === 'string'\n                ? tag === input\n                : tag[this.displayBy] === input;\n        };\n\n        const hasId = () => {\n            return this.model[this.identifyBy] !== this.model[this.displayBy];\n        };\n\n        // if the value changed, replace the value in the model\n        if (exists(this.model)) {\n            return;\n        }\n\n        const model =\n            typeof this.model === 'string'\n                ? input\n                : {\n                      index: this.index,\n                      [this.identifyBy]: hasId()\n                          ? this.model[this.identifyBy]\n                          : input,\n                      [this.displayBy]: input\n                  };\n\n        if (this.canAddTag(model)) {\n            this.onTagEdited.emit({ tag: model, index: this.index });\n        } else {\n            this.setContentEditableText(this.model);\n        }\n    }\n\n    /**\n     * @name getContentEditable\n     */\n    private getContentEditable(): HTMLInputElement {\n        return this.element.nativeElement.querySelector('[contenteditable]');\n    }\n}\n","<div (click)=\"select($event)\"\n     (dblclick)=\"toggleEditMode()\"\n     (mousedown)=\"rippleState='clicked'\"\n     (mouseup)=\"rippleState='none'\"\n     [ngSwitch]=\"!!template\"\n     [class.disabled]=\"disabled\"\n     [attr.tabindex]=\"-1\"\n     [attr.aria-label]=\"getDisplayValue(model)\">\n\n    <div *ngSwitchCase=\"true\" [attr.contenteditable]=\"editing\">\n        <!-- CUSTOM TEMPLATE -->\n        <ng-template\n            [ngTemplateOutletContext]=\"{ item: model, index: index }\"\n            [ngTemplateOutlet]=\"template\">\n        </ng-template>\n    </div>\n\n    <div *ngSwitchCase=\"false\" class=\"tag-wrapper\">\n        <!-- TAG NAME -->\n        <div [attr.contenteditable]=\"editing\"\n             [attr.title]=\"getDisplayValue(model)\"\n             class=\"tag__text inline\"\n             spellcheck=\"false\"\n             (keydown.enter)=\"disableEditMode($event)\"\n             (keydown.escape)=\"disableEditMode($event)\"\n             (click)=\"editing ? $event.stopPropagation() : undefined\"\n             (blur)=\"onBlurred($event)\">\n            {{ getDisplayValue(model) }}\n        </div>\n\n        <!-- 'X' BUTTON -->\n        <delete-icon\n            aria-label=\"Remove tag\"\n            role=\"button\"\n            (click)=\"remove($event)\"\n            *ngIf=\"isDeleteIconVisible()\">\n        </delete-icon>\n    </div>\n</div>\n\n<tag-ripple [state]=\"rippleState\"\n            [attr.tabindex]=\"-1\"\n            *ngIf=\"isRippleVisible\">\n</tag-ripple>\n"]}