101 lines
2.9 KiB
JavaScript
101 lines
2.9 KiB
JavaScript
import { select } from 'd3';
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import { log } from '../logger.js';
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import { getConfig } from '../diagram-api/diagramAPI.js';
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import { evaluate } from '../diagrams/common/common.js';
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import { decodeEntities } from '../utils.js';
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/**
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* @param dom
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* @param styleFn
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*/
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function applyStyle(dom, styleFn) {
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if (styleFn) {
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dom.attr('style', styleFn);
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}
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}
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/**
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* @param {any} node
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* @returns {SVGForeignObjectElement} Node
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*/
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function addHtmlLabel(node) {
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const fo = select(document.createElementNS('http://www.w3.org/2000/svg', 'foreignObject'));
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const div = fo.append('xhtml:div');
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const label = node.label;
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const labelClass = node.isNode ? 'nodeLabel' : 'edgeLabel';
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div.html(
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'<span class="' +
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labelClass +
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'" ' +
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(node.labelStyle ? 'style="' + node.labelStyle + '"' : '') +
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'>' +
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label +
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'</span>'
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);
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applyStyle(div, node.labelStyle);
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div.style('display', 'inline-block');
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// Fix for firefox
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div.style('white-space', 'nowrap');
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div.attr('xmlns', 'http://www.w3.org/1999/xhtml');
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return fo.node();
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}
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/**
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* @param _vertexText
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* @param style
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* @param isTitle
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* @param isNode
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* @deprecated svg-util/createText instead
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*/
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const createLabel = (_vertexText, style, isTitle, isNode) => {
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let vertexText = _vertexText || '';
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if (typeof vertexText === 'object') {
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vertexText = vertexText[0];
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}
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if (evaluate(getConfig().flowchart.htmlLabels)) {
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// TODO: addHtmlLabel accepts a labelStyle. Do we possibly have that?
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vertexText = vertexText.replace(/\\n|\n/g, '<br />');
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log.debug('vertexText' + vertexText);
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const node = {
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isNode,
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label: decodeEntities(vertexText).replace(
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/fa[blrs]?:fa-[\w-]+/g, // cspell: disable-line
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(s) => `<i class='${s.replace(':', ' ')}'></i>`
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),
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labelStyle: style.replace('fill:', 'color:'),
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};
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let vertexNode = addHtmlLabel(node);
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// vertexNode.parentNode.removeChild(vertexNode);
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return vertexNode;
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} else {
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const svgLabel = document.createElementNS('http://www.w3.org/2000/svg', 'text');
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svgLabel.setAttribute('style', style.replace('color:', 'fill:'));
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let rows = [];
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if (typeof vertexText === 'string') {
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rows = vertexText.split(/\\n|\n|<br\s*\/?>/gi);
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} else if (Array.isArray(vertexText)) {
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rows = vertexText;
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} else {
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rows = [];
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}
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for (const row of rows) {
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const tspan = document.createElementNS('http://www.w3.org/2000/svg', 'tspan');
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tspan.setAttributeNS('http://www.w3.org/XML/1998/namespace', 'xml:space', 'preserve');
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tspan.setAttribute('dy', '1em');
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tspan.setAttribute('x', '0');
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if (isTitle) {
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tspan.setAttribute('class', 'title-row');
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} else {
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tspan.setAttribute('class', 'row');
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}
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tspan.textContent = row.trim();
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svgLabel.appendChild(tspan);
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}
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return svgLabel;
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}
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};
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export default createLabel;
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