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info-tooltip.js 2.28 KiB
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import {css, html} from 'lit-element';
import {ScopedElementsMixin} from '@open-wc/scoped-elements';
import * as commonUtils from '@dbp-toolkit/common/utils';
import * as commonStyles from '@dbp-toolkit/common/styles';
import DBPLitElement from '@dbp-toolkit/common/dbp-lit-element';
import tippy from 'tippy.js';
import tippy2CSSPath from 'tippy.js/dist/tippy.css';

export class InfoTooltip extends ScopedElementsMixin(DBPLitElement) {

    constructor() {
        super();
        this.tippy = '';
        this.textContent = 'missing text.';
    }

    static get properties() {
        return {
            ...super.properties,
            tippy: { type: Object, attribute: false },
            textContent: { type: String, attribute: 'text-content' },
        };
    }

    firstUpdated() {

        tippy(this._('#info-tooltip-icon'), {
            content: this.textContent,
            appendTo: this.shadowRoot,
        });
    }

    static get styles() {
        // language=css
        return css`
            ${commonStyles.getThemeCSS()}
            ${commonStyles.getGeneralCSS(false)}
            ${commonStyles.getButtonCSS()}

            .info-icon {
                display: inline;
                opacity: 0.7;
            }

        `;
    }

    render() {

        const tippy2CSS = commonUtils.getAssetURL(tippy2CSSPath);
       
        if (this._('#info-tooltip-icon')) {
            this.tippy = tippy(this._('#info-tooltip-icon'), { content: this.textContent });
        }

        return html`
            <link rel="stylesheet" href="${tippy2CSS}">
            <div class="info-icon">
                <!-- https://icons.getbootstrap.com/icons/info-circle/ -->
                <svg id="info-tooltip-icon"
                     xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-info-circle" viewBox="0 0 16 16">
                    <path d="M8 15A7 7 0 1 1 8 1a7 7 0 0 1 0 14zm0 1A8 8 0 1 0 8 0a8 8 0 0 0 0 16z"/>
                    <path d="m8.93 6.588-2.29.287-.082.38.45.083c.294.07.352.176.288.469l-.738 3.468c-.194.897.105 1.319.808 1.319.545 0 1.178-.252 1.465-.598l.088-.416c-.2.176-.492.246-.686.246-.275 0-.375-.193-.304-.533L8.93 6.588zM9 4.5a1 1 0 1 1-2 0 1 1 0 0 1 2 0z"/>
                </svg>
            </div>
            
        `;
    }

}