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import { property } from 'lit/decorators.js';
import { Icon, SVG_FINGERPRINT } from '../Icons';
import { getClasses } from '../utils';
export class VectorIcon extends LitElement {
@property({ type: String })
name: string;
@property({ type: String })
prefix: string;
// same as name but without implicit coloring
@property({ type: String })
id: string;
@property({ type: Number })
size = 1;
@property({ type: Boolean })
spin: boolean;
@property({ type: Boolean })
clickable: boolean;
@property({ type: Boolean })
circled: boolean;
@property({ type: String })
animateChange: string;
@property({ type: String })
animateClick: string;
@property({ type: Number })
animationDuration = 200;
@property({ type: String })
src = '';
@property({ type: Number, attribute: false })
steps = 2;
@property({ type: Number, attribute: false })
animationStep: number;
@property({ type: String })
easing = 'cubic-bezier(0.68, -0.55, 0.265, 1.55)';
static get styles() {
return css`
:host {
align-items: center;
align-self: center;
}
.sheet {
color: var(--icon-color);
transform: scale(1);
transition:
fill 100ms ease-in-out,
background 200ms cubic-bezier(0.68, -0.55, 0.265, 1.55),
padding 200ms cubic-bezier(0.68, -0.55, 0.265, 1.55),
margin 200ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
}
.sheet.spin {
transform: rotate(0deg);
}
.sheet.spin-1 {
transform: rotate(180deg);
}
.sheet.spin-2 {
transform: rotate(360deg);
}
.sheet.spin-3 {
transform: rotate(0deg);
transition-duration: 0ms !important;
}
.sheet.pulse {
transform: scale(1);
}
.sheet.pulse-1 {
transform: scale(1.2);
}
.clickable:hover {
cursor: pointer;
fill: var(--color-link-primary) !important;
background: rgb(255, 255, 255);
}
.circled {
background: var(--icon-color-circle);
padding: 0.15em;
margin: -0.15em;
box-shadow: var(--shadow);
}
.wrapper {
display: flex;
flex-direction: column;
border-radius: 999px;
transition:
background 200ms linear,
transform 300ms cubic-bezier(0.68, -0.55, 0.265, 1.55),
padding 150ms linear,
margin 150ms linear;
}
.wrapper.clickable {
transform: scale(1);
}
.wrapper.clickable:hover {
--icon-circle-size: 0.35em;
--icon-background: var(--icon-color-circle-hover);
}
.wrapper.clickable {
padding: var(--icon-circle-size);
margin: calc(-1 * var(--icon-circle-size));
background: var(--icon-background);
}
.spin-forever {
animation-name: spin;
animation-duration: var(--test-animation-duration, 2000ms);
animation-iteration-count: infinite;
animation-timing-function: linear;
animation-play-state: var(--test-animation-play-state, running);
}
@keyframes spin {
from {
transform: rotate(0deg);
}
to {
transform: rotate(360deg);
}
}
`;
}
constructor() {
super();
}
private lastName: string;
public willUpdate(changes: PropertyValues): void {
super.willUpdate(changes);
if (!this.hasUpdated && changes.has('animateChange')) {
// set our default duration if we need one
if (!changes.has('animationDuration')) {
this.animationDuration = this.steps * this.animationDuration;
}
if (this.animateChange === 'spin') {
this.steps = 3;
this.animationDuration = 400;
this.easing = 'linear';
}
}
// clear lastName at the animation halfway point so render uses the new name
if (changes.has('animationStep')) {
if (this.lastName && this.animationStep >= this.steps / 2) {
this.lastName = null;
}
}
}
public handleClicked() {
if (this.animateClick) {
this.animationStep = 1;
}
}
public updated(changes: Map<string, any>) {
super.updated(changes);
if (changes.has('animationStep')) {
setTimeout(() => {
if (this.animationStep > 0 && this.animationStep < this.steps) {
this.animationStep++;
} else {
this.animationStep = 0;
}
}, this.animationDuration / this.steps);
}
if (changes.has('name') && this.animateChange) {
this.lastName = changes.get('name');
// our name changed, defer animation start to avoid scheduling
// an update during the current update cycle
if (this.lastName && this.animateChange) {
setTimeout(() => {
this.animationStep = 1;
}, 0);
}
}
}
public render(): TemplateResult {
if (!this.name) {
return null;
}
// let icon name mappings take precedence
let name = this.lastName || this.name;
// special case our channel icon fallback
if (name.startsWith('channel_') && !Icon[name]) {
name = Icon.channel_ex;
} else {
name = Icon[name.replace('icon.', '')] || name;
}
// referencing icons by id is explicit
if (!name) {
name = this.id;
}
return html`
<div
@click=${this.handleClicked}
class="wrapper ${getClasses({
clickable: this.clickable,
circled: this.circled,
animate: !!this.animateChange || !!this.animateClick,
'spin-forever': this.spin
})}"
>
<svg
style="height:${this.size}em;width:${this
.size}em;transition:transform ${this.animationDuration /
this.steps}ms
${this.easing}"
class="${getClasses({
sheet: this.src === '',
[this.animateChange]: !!this.animateChange,
[this.animateChange + '-' + this.animationStep]:
this.animationStep > 0,
[this.animateClick]: !!this.animateClick,
[this.animateClick + '-' + this.animationStep]:
this.animationStep > 0
})}"
>
<use
href="${this.src
? this.src
: `${
this.prefix || (window as any).static_url || '/static/'
}svg/index.svg?v=${SVG_FINGERPRINT}#${name}`}"
/>
</svg>
</div>
`;
}
}
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