Prepare frontend repository for monorepo

This change prepares the frontend Git repository for the monorepo
residing at https://github.com/atlarge-research.com/opendc. To
accomodate for this, we move all files into a frontend subdirectory.

1 files changed, 89 insertions, 0 deletions

diff --git a/frontend/src/components/app/map/elements/RackFillBar.js b/frontend/src/components/app/map/elements/RackFillBar.js
new file mode 100644
index 00000000..43701d97
--- /dev/null
+++ b/frontend/src/components/app/map/elements/RackFillBar.js
@@ -0,0 +1,89 @@
+import PropTypes from "prop-types";
+import React from "react";
+import { Group, Rect } from "react-konva";
+import {
+  RACK_ENERGY_BAR_BACKGROUND_COLOR,
+  RACK_ENERGY_BAR_FILL_COLOR,
+  RACK_SPACE_BAR_BACKGROUND_COLOR,
+  RACK_SPACE_BAR_FILL_COLOR
+} from "../../../../util/colors";
+import {
+  OBJECT_BORDER_WIDTH_IN_PIXELS,
+  OBJECT_MARGIN_IN_PIXELS,
+  RACK_FILL_ICON_OPACITY,
+  RACK_FILL_ICON_WIDTH,
+  TILE_SIZE_IN_PIXELS
+} from "../MapConstants";
+import ImageComponent from "./ImageComponent";
+
+const RackFillBar = ({ positionX, positionY, type, fillFraction }) => {
+  const halfOfObjectBorderWidth = OBJECT_BORDER_WIDTH_IN_PIXELS / 2;
+  const x =
+    positionX * TILE_SIZE_IN_PIXELS +
+    OBJECT_MARGIN_IN_PIXELS +
+    (type === "space"
+      ? halfOfObjectBorderWidth
+      : 0.5 * (TILE_SIZE_IN_PIXELS - 2 * OBJECT_MARGIN_IN_PIXELS));
+  const startY =
+    positionY * TILE_SIZE_IN_PIXELS +
+    OBJECT_MARGIN_IN_PIXELS +
+    halfOfObjectBorderWidth;
+  const width =
+    0.5 * (TILE_SIZE_IN_PIXELS - OBJECT_MARGIN_IN_PIXELS * 2) -
+    halfOfObjectBorderWidth;
+  const fullHeight =
+    TILE_SIZE_IN_PIXELS -
+    OBJECT_MARGIN_IN_PIXELS * 2 -
+    OBJECT_BORDER_WIDTH_IN_PIXELS;
+
+  const fractionHeight = fillFraction * fullHeight;
+  const fractionY =
+    (positionY + 1) * TILE_SIZE_IN_PIXELS -
+    OBJECT_MARGIN_IN_PIXELS -
+    halfOfObjectBorderWidth -
+    fractionHeight;
+
+  return (
+    <Group>
+      <Rect
+        x={x}
+        y={startY}
+        width={width}
+        height={fullHeight}
+        fill={
+          type === "space"
+            ? RACK_SPACE_BAR_BACKGROUND_COLOR
+            : RACK_ENERGY_BAR_BACKGROUND_COLOR
+        }
+      />
+      <Rect
+        x={x}
+        y={fractionY}
+        width={width}
+        height={fractionHeight}
+        fill={
+          type === "space"
+            ? RACK_SPACE_BAR_FILL_COLOR
+            : RACK_ENERGY_BAR_FILL_COLOR
+        }
+      />
+      <ImageComponent
+        src={"/img/topology/rack-" + type + "-icon.png"}
+        x={x + width * 0.5 - RACK_FILL_ICON_WIDTH * 0.5}
+        y={startY + fullHeight * 0.5 - RACK_FILL_ICON_WIDTH * 0.5}
+        width={RACK_FILL_ICON_WIDTH}
+        height={RACK_FILL_ICON_WIDTH}
+        opacity={RACK_FILL_ICON_OPACITY}
+      />
+    </Group>
+  );
+};
+
+RackFillBar.propTypes = {
+  positionX: PropTypes.number.isRequired,
+  positionY: PropTypes.number.isRequired,
+  type: PropTypes.string.isRequired,
+  fillFraction: PropTypes.number.isRequired
+};
+
+export default RackFillBar;