08-27-周三_17-09-29

node_modules/dagre-d3-renderer/lib/label/add-html-label.js

@@ -0,0 +1,37 @@
+import util from '../util'
+
+function addHtmlLabel (root, node) {
+  const fo = root
+    .append('foreignObject')
+      .attr('width', '100000')
+
+  const div = fo
+    .append('xhtml:div')
+  div.attr('xmlns', 'http://www.w3.org/1999/xhtml')
+
+  const label = node.label
+  switch (typeof label) {
+    case 'function':
+      div.insert(label)
+      break
+    case 'object':
+      // Currently we assume this is a DOM object.
+      div.insert(function () { return label })
+      break
+    default: div.html(label)
+  }
+
+  util.applyStyle(div, node.labelStyle)
+  div.style('display', 'inline-block')
+  // Fix for firefox
+  div.style('white-space', 'nowrap')
+
+  const client = div[0][0].getBoundingClientRect()
+  fo
+    .attr('width', client.width)
+    .attr('height', client.height)
+
+  return fo
+}
+
+export default addHtmlLabel