uhh-lt · bigabig · Aug 30, 2022 · Aug 30, 2022
diff --git a/frontend/package.json b/frontend/package.json
@@ -18,6 +18,7 @@
     "i18next": "^21.8.9",
     "lodash": "^4.17.21",
     "react": "^18.1.0",
+    "react-colorful": "^5.6.1",
     "react-dom": "^18.1.0",
     "react-hook-form": "^7.32.0",
     "react-i18next": "^11.17.1",

diff --git a/frontend/src/utils/ColorUtils.ts b/frontend/src/utils/ColorUtils.ts
@@ -0,0 +1,34 @@
+// see https://stackoverflow.com/questions/5623838/rgb-to-hex-and-hex-to-r
+function rgbStringToHex(rgb: string) {
+  let result = /^rgb\((\d+),\s*(\d+),\s*(\d+)\)$/i.exec(rgb);
+  return result ? rgbToHex(parseInt(result[1]), parseInt(result[2]), parseInt(result[3])) : null;
+}
+
+function rgbToHex(r: number, g: number, b: number) {
+  return "#" + ((1 << 24) + (r << 16) + (g << 8) + b).toString(16).slice(1);
+}
+
+function hexToRgb(hex: string) {
+  // Expand shorthand form (e.g. "03F") to full form (e.g. "0033FF")
+  let shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i;
+  hex = hex.replace(shorthandRegex, function (m, r, g, b) {
+    return r + r + g + g + b + b;
+  });
+
+  let result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
+  return result
+    ? {
+        r: parseInt(result[1], 16),
+        g: parseInt(result[2], 16),
+        b: parseInt(result[3], 16),
+      }
+    : null;
+}
+
+const ColorUtils = {
+  rgbStringToHex,
+  rgbToHex,
+  hexToRgb,
+};
+
+export default ColorUtils;
diff --git a/frontend/src/views/annotation/CodeExplorer/CodeCreationDialog.tsx b/frontend/src/views/annotation/CodeExplorer/CodeCreationDialog.tsx
@@ -1,4 +1,14 @@
-import { Button, Dialog, DialogActions, DialogContent, DialogTitle, MenuItem, Stack, TextField } from "@mui/material";
+import {
+  Box,
+  Button,
+  Dialog,
+  DialogActions,
+  DialogContent,
+  DialogTitle,
+  MenuItem,
+  Stack,
+  TextField,
+} from "@mui/material";
 import React, { useEffect, useState } from "react";
 import AddBoxIcon from "@mui/icons-material/AddBox";
 import { useQueryClient } from "@tanstack/react-query";
@@ -9,6 +19,7 @@ import CodeHooks from "../../../api/CodeHooks";
 import { QueryKey } from "../../../api/QueryKey";
 import { ErrorMessage } from "@hookform/error-message";
 import { LoadingButton } from "@mui/lab";
+import { HexColorPicker } from "react-colorful";
 
 interface CodeDialogProps {
   projectId: number;
@@ -23,17 +34,21 @@ export default function CodeCreationDialog({ projectId, userId, codes }: CodeDia
     handleSubmit,
     formState: { errors },
     reset,
+    setValue,
   } = useForm();
 
-  // state
+  // local state
   const [open, setOpen] = useState(false); // state of the dialog, either open or closed
   const [selectedParent, setSelectedParent] = useState(-1);
+  const [color, setColor] = useState("#000000");
 
   // initialize state properly
   useEffect(() => {
     setSelectedParent(-1);
+    setColor("#000000");
     reset();
-  }, [reset]);
+    setValue("color", "#000000");
+  }, [setValue, reset]);
 
   // mutations
   const queryClient = useQueryClient();
@@ -52,7 +67,11 @@ export default function CodeCreationDialog({ projectId, userId, codes }: CodeDia
         text: `Added code ${data.name}`,
         severity: "success",
       });
-      reset(); // reset form
+
+      // reset
+      reset();
+      setColor("#000000");
+      setValue("color", "#000000");
     },
   });
 
@@ -106,13 +125,26 @@ export default function CodeCreationDialog({ projectId, userId, codes }: CodeDia
                 error={Boolean(errors.name)}
                 helperText={<ErrorMessage errors={errors} name="name" />}
               />
-              <TextField
-                label="Color"
-                fullWidth
-                variant="standard"
-                {...register("color", { required: "Color is required" })}
-                error={Boolean(errors.color)}
-                helperText={<ErrorMessage errors={errors} name="color" />}
+              <Stack direction="row">
+                <TextField
+                  label="Color"
+                  fullWidth
+                  variant="standard"
+                  {...register("color", { required: "Color is required" })}
+                  onChange={(e) => setColor(e.target.value)}
+                  error={Boolean(errors.color)}
+                  helperText={<ErrorMessage errors={errors} name="color" />}
+                  InputLabelProps={{ shrink: true }}
+                />
+                <Box sx={{ width: 48, height: 48, backgroundColor: color, ml: 1, flexShrink: 0 }} />
+              </Stack>
+              <HexColorPicker
+                style={{ width: "100%" }}
+                color={color}
+                onChange={(newColor) => {
+                  setValue("color", newColor); // set value of text input
+                  setColor(newColor); // set value of color picker (and box)
+                }}
               />
               <TextField
                 multiline

diff --git a/frontend/src/views/annotation/CodeExplorer/CodeEditDialog.tsx b/frontend/src/views/annotation/CodeExplorer/CodeEditDialog.tsx
@@ -1,4 +1,4 @@
-import { Dialog, DialogActions, DialogContent, DialogTitle, MenuItem, Stack, TextField } from "@mui/material";
+import { Box, Dialog, DialogActions, DialogContent, DialogTitle, MenuItem, Stack, TextField } from "@mui/material";
 import React, { useCallback, useEffect, useState } from "react";
 import { useQueryClient } from "@tanstack/react-query";
 import SnackbarAPI from "../../../features/snackbar/SnackbarAPI";
@@ -9,6 +9,8 @@ import CodeHooks from "../../../api/CodeHooks";
 import { QueryKey } from "../../../api/QueryKey";
 import { ErrorMessage } from "@hookform/error-message";
 import { LoadingButton } from "@mui/lab";
+import { HexColorPicker } from "react-colorful";
+import ColorUtils from "../../../utils/ColorUtils";
 
 interface CodeEditDialogProps {
   codes: CodeRead[];
@@ -21,12 +23,14 @@ function CodeEditDialog({ codes }: CodeEditDialogProps) {
     handleSubmit,
     formState: { errors },
     reset,
+    setValue,
   } = useForm();
 
-  // state
+  // local state
   const [code, setCode] = useState<CodeRead | null>(null);
   const [open, setOpen] = useState(false);
   const [selectedParent, setSelectedParent] = useState(-1);
+  const [color, setColor] = useState("#000000");
 
   // listen to event
   // create a (memoized) function that stays the same across re-renders
@@ -45,12 +49,14 @@ function CodeEditDialog({ codes }: CodeEditDialogProps) {
   // initialize form when code changes
   useEffect(() => {
     if (code) {
+      const c = ColorUtils.rgbStringToHex(code.color) || code.color;
       reset({
         name: code.name,
         description: code.description,
-        color: code.color,
+        color: c,
       });
       setSelectedParent(!code.parent_code_id ? -1 : code.parent_code_id);
+      setColor(c);
     }
   }, [code, reset]);
 
@@ -115,7 +121,6 @@ function CodeEditDialog({ codes }: CodeEditDialogProps) {
                   </MenuItem>
                 ))}
             </TextField>
-
             <TextField
               label="Name"
               fullWidth
@@ -124,13 +129,26 @@ function CodeEditDialog({ codes }: CodeEditDialogProps) {
               error={Boolean(errors.name)}
               helperText={<ErrorMessage errors={errors} name="name" />}
             />
-            <TextField
-              label="Color"
-              fullWidth
-              variant="standard"
-              {...register("color", { required: "Color is required" })}
-              error={Boolean(errors.color)}
-              helperText={<ErrorMessage errors={errors} name="color" />}
+            <Stack direction="row">
+              <TextField
+                label="Color"
+                fullWidth
+                variant="standard"
+                {...register("color", { required: "Color is required" })}
+                onChange={(e) => setColor(e.target.value)}
+                error={Boolean(errors.color)}
+                helperText={<ErrorMessage errors={errors} name="color" />}
+                InputLabelProps={{ shrink: true }}
+              />
+              <Box sx={{ width: 48, height: 48, backgroundColor: color, ml: 1, flexShrink: 0 }} />
+            </Stack>
+            <HexColorPicker
+              style={{ width: "100%" }}
+              color={color}
+              onChange={(newColor) => {
+                setValue("color", newColor); // set value of text input
+                setColor(newColor); // set value of color picker (and box)
+              }}
             />
             <TextField
               multiline

diff --git a/frontend/src/views/annotation/ImageAnnotator/CodeCreationDialog.tsx b/frontend/src/views/annotation/ImageAnnotator/CodeCreationDialog.tsx
@@ -1,5 +1,6 @@
 import React, { forwardRef, useImperativeHandle, useState } from "react";
 import {
+  Box,
   Button,
   Dialog,
   DialogActions,
@@ -20,6 +21,7 @@ import SnackbarAPI from "../../../features/snackbar/SnackbarAPI";
 import { QueryKey } from "../../../api/QueryKey";
 import { CodeRead } from "../../../api/openapi";
 import { useAppSelector } from "../../../plugins/ReduxHooks";
+import { HexColorPicker } from "react-colorful";
 
 interface CodeCreationDialogProps {
   onCreateSuccess: (code: CodeRead) => void;
@@ -41,6 +43,7 @@ const CodeCreationDialog = forwardRef<CodeCreationDialogHandle, CodeCreationDial
 
   // local state
   const [isCodeCreateDialogOpen, setIsCodeCreateDialogOpen] = useState(false);
+  const [color, setColor] = useState("#000000");
 
   // react form
   const {
@@ -80,12 +83,15 @@ const CodeCreationDialog = forwardRef<CodeCreationDialogHandle, CodeCreationDial
 
   // methods
   const openCodeCreateDialog = (name?: string) => {
+    // reset
+    reset();
     setValue("name", name ? name : "");
+    setValue("color", "#000000");
+    setColor("#000000");
     setIsCodeCreateDialogOpen(true);
   };
 
   const closeCodeCreateDialog = () => {
-    reset();
     setIsCodeCreateDialogOpen(false);
   };
 
@@ -134,13 +140,26 @@ const CodeCreationDialog = forwardRef<CodeCreationDialogHandle, CodeCreationDial
               error={Boolean(errors.name)}
               helperText={<ErrorMessage errors={errors} name="name" />}
             />
-            <TextField
-              label="Color"
-              fullWidth
-              variant="standard"
-              {...register("color", { required: "Color is required" })}
-              error={Boolean(errors.color)}
-              helperText={<ErrorMessage errors={errors} name="color" />}
+            <Stack direction="row">
+              <TextField
+                label="Color"
+                fullWidth
+                variant="standard"
+                {...register("color", { required: "Color is required" })}
+                onChange={(e) => setColor(e.target.value)}
+                error={Boolean(errors.color)}
+                helperText={<ErrorMessage errors={errors} name="color" />}
+                InputLabelProps={{ shrink: true }}
+              />
+              <Box sx={{ width: 48, height: 48, backgroundColor: color, ml: 1, flexShrink: 0 }} />
+            </Stack>
+            <HexColorPicker
+              style={{ width: "100%" }}
+              color={color}
+              onChange={(newColor) => {
+                setValue("color", newColor); // set value of text input
+                setColor(newColor); // set value of color picker (and box)
+              }}
             />
             <TextField
               multiline

diff --git a/frontend/src/views/search/DocumentViewer/ImageViewer.tsx b/frontend/src/views/search/DocumentViewer/ImageViewer.tsx
@@ -83,7 +83,7 @@ function ImageViewer({ sdoc, adoc, showEntities }: ImageViewerProps) {
   return (
     <>
       {annotations.isError && <span>{annotations.error.message}</span>}
-      <svg ref={svgRef} onClick={() => console.log("TEST")} width="100%" height="100%">
+      <svg ref={svgRef} width="100%" height="100%" style={{ cursor: "move" }}>
         <g ref={gRef}>
           <image href={sdoc.content} />
           <g ref={bboxRef}></g>

diff --git a/frontend/src/views/search/Tags/TagEdit/TagEditDialog.tsx b/frontend/src/views/search/Tags/TagEdit/TagEditDialog.tsx
@@ -1,4 +1,4 @@
-import { Dialog, DialogActions, DialogContent, DialogTitle, Stack, TextField } from "@mui/material";
+import { Box, Dialog, DialogActions, DialogContent, DialogTitle, Stack, TextField } from "@mui/material";
 import React, { useCallback, useEffect, useState } from "react";
 import { useQuery, useQueryClient } from "@tanstack/react-query";
 import SnackbarAPI from "../../../../features/snackbar/SnackbarAPI";
@@ -9,6 +9,8 @@ import TagHooks from "../../../../api/TagHooks";
 import { QueryKey } from "../../../../api/QueryKey";
 import { ErrorMessage } from "@hookform/error-message";
 import { LoadingButton } from "@mui/lab";
+import { HexColorPicker } from "react-colorful";
+import ColorUtils from "../../../../utils/ColorUtils";
 
 /**
  * A dialog that allows to update a DocumentTag.
@@ -23,11 +25,13 @@ function TagEditDialog() {
     handleSubmit,
     formState: { errors },
     reset,
+    setValue,
   } = useForm();
 
   // state
   const [tagId, setTagId] = useState<number | undefined>(undefined);
   const [open, setOpen] = useState(false);
+  const [color, setColor] = useState("#000000");
 
   // query
   const tag = useQuery<DocumentTagRead, Error>(
@@ -54,10 +58,13 @@ function TagEditDialog() {
   // initialize form when tag changes
   useEffect(() => {
     if (tag.data) {
+      const c = ColorUtils.rgbStringToHex(tag.data.description) || tag.data.description;
       reset({
         title: tag.data.title,
         description: tag.data.description,
+        color: c,
       });
+      setColor(c);
     }
   }, [tag.data, reset]);
 
@@ -113,6 +120,31 @@ function TagEditDialog() {
               helperText={<>{errors?.title ? errors.title.message : ""}</>}
               disabled={!tag.isSuccess}
             />
+            <Stack direction="row">
+              <TextField
+                label="Color"
+                fullWidth
+                variant="standard"
+                {...register("color", { required: "Color is required" })}
+                onChange={(e) => {
+                  setColor(e.target.value);
+                  setValue("description", e.target.value); // todo: remove this hack once tag has color attribute
+                }}
+                error={Boolean(errors.color)}
+                helperText={<ErrorMessage errors={errors} name="color" />}
+                InputLabelProps={{ shrink: true }}
+              />
+              <Box sx={{ width: 48, height: 48, backgroundColor: color, ml: 1, flexShrink: 0 }} />
+            </Stack>
+            <HexColorPicker
+              style={{ width: "100%" }}
+              color={color}
+              onChange={(newColor) => {
+                setValue("color", newColor); // set value of text input
+                setColor(newColor); // set value of color picker (and box)
+                setValue("description", newColor); // todo: remove this hack once tag has color attribute
+              }}
+            />
             <TextField
               multiline
               minRows={5}