1 files changed, 142 insertions, 0 deletions
diff --git a/devtools/client/inspector/boxmodel/components/BoxModelProperties.js b/devtools/client/inspector/boxmodel/components/BoxModelProperties.js
new file mode 100644
index 0000000000..8b314a46ed
--- /dev/null
+++ b/devtools/client/inspector/boxmodel/components/BoxModelProperties.js
@@ -0,0 +1,142 @@
+/* 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 {
+  createFactory,
+  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 { LocalizationHelper } = require("resource://devtools/shared/l10n.js");
+
+const ComputedProperty = createFactory(
+  require("resource://devtools/client/inspector/boxmodel/components/ComputedProperty.js")
+);
+
+const Types = require("resource://devtools/client/inspector/boxmodel/types.js");
+
+const BOXMODEL_STRINGS_URI = "devtools/client/locales/boxmodel.properties";
+const BOXMODEL_L10N = new LocalizationHelper(BOXMODEL_STRINGS_URI);
+
+class BoxModelProperties extends PureComponent {
+  static get propTypes() {
+    return {
+      boxModel: PropTypes.shape(Types.boxModel).isRequired,
+      dispatch: PropTypes.func.isRequired,
+      setSelectedNode: PropTypes.func.isRequired,
+    };
+  }
+
+  constructor(props) {
+    super(props);
+
+    this.state = {
+      isOpen: true,
+    };
+
+    this.getReferenceElement = this.getReferenceElement.bind(this);
+    this.onToggleExpander = this.onToggleExpander.bind(this);
+  }
+
+  /**
+   * Various properties can display a reference element. E.g. position displays an offset
+   * parent if its value is other than fixed or static. Or z-index displays a stacking
+   * context, etc.
+   * This returns the right element if there needs to be one, and one was passed in the
+   * props.
+   *
+   * @return {Object} An object with 2 properties:
+   * - referenceElement {NodeFront}
+   * - referenceElementType {String}
+   */
+  getReferenceElement(propertyName) {
+    const value = this.props.boxModel.layout[propertyName];
+
+    if (
+      propertyName === "position" &&
+      value !== "static" &&
+      value !== "fixed" &&
+      this.props.boxModel.offsetParent
+    ) {
+      return {
+        referenceElement: this.props.boxModel.offsetParent,
+        referenceElementType: BOXMODEL_L10N.getStr("boxmodel.offsetParent"),
+      };
+    }
+
+    return {};
+  }
+
+  onToggleExpander(event) {
+    this.setState({
+      isOpen: !this.state.isOpen,
+    });
+    event.stopPropagation();
+  }
+
+  render() {
+    const { boxModel, dispatch, setSelectedNode } = this.props;
+    const { layout } = boxModel;
+
+    const layoutInfo = [
+      "box-sizing",
+      "display",
+      "float",
+      "line-height",
+      "position",
+      "z-index",
+    ];
+
+    const properties = layoutInfo.map(info => {
+      const { referenceElement, referenceElementType } =
+        this.getReferenceElement(info);
+
+      return ComputedProperty({
+        dispatch,
+        key: info,
+        name: info,
+        referenceElement,
+        referenceElementType,
+        setSelectedNode,
+        value: layout[info],
+      });
+    });
+
+    return dom.div(
+      { className: "layout-properties" },
+      dom.div(
+        {
+          className: "layout-properties-header",
+          role: "heading",
+          "aria-level": "3",
+          onDoubleClick: this.onToggleExpander,
+        },
+        dom.span({
+          className: "layout-properties-expander theme-twisty",
+          open: this.state.isOpen,
+          role: "button",
+          "aria-label": BOXMODEL_L10N.getStr(
+            this.state.isOpen
+              ? "boxmodel.propertiesHideLabel"
+              : "boxmodel.propertiesShowLabel"
+          ),
+          onClick: this.onToggleExpander,
+        }),
+        BOXMODEL_L10N.getStr("boxmodel.propertiesLabel")
+      ),
+      dom.div(
+        {
+          className: "layout-properties-wrapper devtools-monospace",
+          hidden: !this.state.isOpen,
+          role: "table",
+        },
+        properties
+      )
+    );
+  }
+}
+
+module.exports = BoxModelProperties;