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import { RapidElement } from '../RapidElement';
import { property } from 'lit/decorators.js';
import { repeat } from 'lit/directives/repeat.js';
interface ToastMessage {
id: number;
text: string;
level: 'info' | 'warning' | 'error';
visible?: boolean;
time: Date;
removeTime?: Date;
}
export class Toast extends RapidElement {
@property({ type: Array })
messages: ToastMessage[] = [];
@property({ type: Number, attribute: 'duration' })
staleDuration = 5000;
@property({ type: Number, attribute: 'animation' })
animationDuration = 200;
@property({ type: Boolean, attribute: 'error-sticky' })
errorSticky = false;
@property({ type: Boolean, attribute: 'warning-sticky' })
warningSticky = false;
@property({ type: Boolean, attribute: 'info-sticky' })
infoSticky = false;
static styles = css`
:host {
position: fixed;
width: 400px;
z-index: 10000;
right: 0;
}
.message {
background-color: rgba(50, 50, 50, 0.85);
background-color: rgba(255, 255, 255, 0.97);
color: rgba(0, 0, 0, 0.85);
padding: 0.5em 1em;
margin: 0.75em;
border-radius: 0.5em;
display: flex;
transition-property: transform, opacity;
transition-timing-function: ease-in-out;
transform: translateY(-100%);
opacity: 0;
box-shadow: rgba(0, 0, 0, 0.2) 0px 0px 3em 2px;
border: 2px solid rgba(0, 0, 0, 0.3);
}
.message.visible {
transform: translateY(0);
opacity: 1;
}
.message.info {
}
.message.warning {
color: rgba(255, 167, 0, 0.9);
}
.message.error {
border-color: var(--color-error);
color: var(--color-error);
}
.message.removing {
opacity: 0;
transform: translateY(-100%);
}
temba-icon {
cursor: pointer;
padding-left: 1em;
opacity: 0;
transition: all 200ms ease-in-out;
}
.message:hover temba-icon {
opacity: 1;
}
temba-icon:hover {
transform: scale(1.3) translateX(-0.1em);
}
.message .text {
flex-grow: 1;
}
.info {
}
`;
public checkForStaleMessages() {
const now = new Date();
// ignore sticky messages
const staleMessages = this.messages.filter((message) => {
if (message.level === 'error' && this.errorSticky) {
return false;
}
if (message.level === 'warning' && this.warningSticky) {
return false;
}
if (message.level === 'info' && this.infoSticky) {
return false;
}
return true;
});
staleMessages.forEach((message) => {
// error messages do not remove themselves
if (now.getTime() - message.time.getTime() > this.staleDuration) {
this.removeMessage(message);
}
});
if (this.messages.length === 0 && this.checker) {
window.clearInterval(this.checker);
this.checker = 0;
}
}
private checker: number;
private messageId: number = 0;
public addMessages(messages: ToastMessage[]) {
messages.forEach((message) => {
this.addMessage(message.text, message.level);
});
}
public addMessage(text: string, level: 'info' | 'warning' | 'error') {
const message: ToastMessage = {
id: ++this.messageId,
text,
level,
time: new Date()
};
this.messages.push(message);
window.setTimeout(() => {
message.visible = true;
this.requestUpdate('messages');
}, 100);
this.requestUpdate('messages');
if (this.checker) {
window.clearInterval(this.checker);
this.checker = 0;
}
this.checker = window.setInterval(
this.checkForStaleMessages.bind(this),
1000
);
}
public info(message: string) {
this.addMessage(message, 'info');
}
public warning(message: string) {
this.addMessage(message, 'warning');
}
public error(message: string) {
this.addMessage(message, 'error');
}
public removeMessage(message: ToastMessage) {
message.removeTime = new Date();
window.setTimeout(() => {
this.messages = this.messages.filter((m) => m !== message);
this.requestUpdate('messages');
}, this.animationDuration);
this.requestUpdate('messages');
}
private handleMessageClicked(e: MouseEvent) {
const ele = e.target as HTMLElement;
const id = parseInt(ele.getAttribute('message_id'));
const message = this.messages.find((m) => m.id === id);
if (message) {
this.removeMessage(message);
}
}
public render(): TemplateResult {
return html`
${repeat(
this.messages,
(message) => message.id,
(message) => html`
<div
style="transition-duration: ${this.animationDuration}ms"
class="message ${message.level} ${message.visible
? 'visible'
: ''} ${message.removeTime ? 'removing' : ''}"
>
<div class="text">${message.text}</div>
<temba-icon
name="close"
size="1.3"
message_id="${message.id}"
@click=${this.handleMessageClicked}
></temba-icon>
</div>
`
)}
`;
}
}
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