1 files changed, 88 insertions, 0 deletions
diff --git a/devtools/client/inspector/markup/components/TextNode.js b/devtools/client/inspector/markup/components/TextNode.js
new file mode 100644
index 0000000000..1cb88f2538
--- /dev/null
+++ b/devtools/client/inspector/markup/components/TextNode.js
@@ -0,0 +1,88 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+const {
+  createElement,
+  createRef,
+  Fragment,
+  PureComponent,
+} = require("resource://devtools/client/shared/vendor/react.js");
+const dom = require("resource://devtools/client/shared/vendor/react-dom-factories.js");
+const PropTypes = require("resource://devtools/client/shared/vendor/react-prop-types.js");
+const {
+  editableItem,
+} = require("resource://devtools/client/shared/inplace-editor.js");
+
+const {
+  getStr,
+  getFormatStr,
+} = require("resource://devtools/client/inspector/markup/utils/l10n.js");
+
+class TextNode extends PureComponent {
+  static get propTypes() {
+    return {
+      showTextEditor: PropTypes.func.isRequired,
+      type: PropTypes.string.isRequired,
+      value: PropTypes.string.isRequired,
+    };
+  }
+
+  constructor(props) {
+    super(props);
+
+    this.state = {
+      value: this.props.value,
+    };
+
+    this.valuePreRef = createRef();
+  }
+
+  componentDidMount() {
+    editableItem(
+      {
+        element: this.valuePreRef.current,
+        trigger: "dblclick",
+      },
+      element => {
+        this.props.showTextEditor(element);
+      }
+    );
+  }
+
+  render() {
+    const { value } = this.state;
+    const isComment = this.props.type === "comment";
+    const isWhiteSpace = !/[^\s]/.exec(value);
+
+    return createElement(
+      Fragment,
+      null,
+      isComment ? dom.span({}, "<!--") : null,
+      dom.pre(
+        {
+          className: isWhiteSpace ? "whitespace" : "",
+          ref: this.valuePreRef,
+          style: {
+            display: "inline-block",
+            whiteSpace: "normal",
+          },
+          tabIndex: -1,
+          title: isWhiteSpace
+            ? getFormatStr(
+                "markupView.whitespaceOnly",
+                value.replace(/\n/g, "⏎").replace(/\t/g, "⇥").replace(/ /g, "◦")
+              )
+            : "",
+          "data-label": getStr("markupView.whitespaceOnly.label"),
+        },
+        value
+      ),
+      isComment ? dom.span({}, "-->") : null
+    );
+  }
+}
+
+module.exports = TextNode;