feat: color picker redesign (#6216)

Co-authored-by: Maielo <maielo.mv@gmail.com>
Co-authored-by: dwelle <luzar.david@gmail.com>
Co-authored-by: Aakansha Doshi <aakansha1216@gmail.com>

src/components/ColorPicker/Picker.tsx

@@ -0,0 +1,156 @@
+import React, { useEffect, useState } from "react";
+import { t } from "../../i18n";
+
+import { ExcalidrawElement } from "../../element/types";
+import { ShadeList } from "./ShadeList";
+
+import PickerColorList from "./PickerColorList";
+import { useAtom } from "jotai";
+import { CustomColorList } from "./CustomColorList";
+import { colorPickerKeyNavHandler } from "./keyboardNavHandlers";
+import PickerHeading from "./PickerHeading";
+import {
+  ColorPickerType,
+  activeColorPickerSectionAtom,
+  getColorNameAndShadeFromHex,
+  getMostUsedCustomColors,
+  isCustomColor,
+} from "./colorPickerUtils";
+import {
+  ColorPaletteCustom,
+  DEFAULT_ELEMENT_BACKGROUND_COLOR_INDEX,
+  DEFAULT_ELEMENT_STROKE_COLOR_INDEX,
+} from "../../colors";
+
+interface PickerProps {
+  color: string | null;
+  onChange: (color: string) => void;
+  label: string;
+  type: ColorPickerType;
+  elements: readonly ExcalidrawElement[];
+  palette: ColorPaletteCustom;
+  updateData: (formData?: any) => void;
+  children?: React.ReactNode;
+}
+
+export const Picker = ({
+  color,
+  onChange,
+  label,
+  type,
+  elements,
+  palette,
+  updateData,
+  children,
+}: PickerProps) => {
+  const [customColors] = React.useState(() => {
+    if (type === "canvasBackground") {
+      return [];
+    }
+    return getMostUsedCustomColors(elements, type, palette);
+  });
+
+  const [activeColorPickerSection, setActiveColorPickerSection] = useAtom(
+    activeColorPickerSectionAtom,
+  );
+
+  const colorObj = getColorNameAndShadeFromHex({
+    hex: color || "transparent",
+    palette,
+  });
+
+  useEffect(() => {
+    if (!activeColorPickerSection) {
+      const isCustom = isCustomColor({ color, palette });
+      const isCustomButNotInList =
+        isCustom && !customColors.includes(color || "");
+
+      setActiveColorPickerSection(
+        isCustomButNotInList
+          ? "hex"
+          : isCustom
+          ? "custom"
+          : colorObj?.shade != null
+          ? "shades"
+          : "baseColors",
+      );
+    }
+  }, [
+    activeColorPickerSection,
+    color,
+    palette,
+    setActiveColorPickerSection,
+    colorObj,
+    customColors,
+  ]);
+
+  const [activeShade, setActiveShade] = useState(
+    colorObj?.shade ??
+      (type === "elementBackground"
+        ? DEFAULT_ELEMENT_BACKGROUND_COLOR_INDEX
+        : DEFAULT_ELEMENT_STROKE_COLOR_INDEX),
+  );
+
+  useEffect(() => {
+    if (colorObj?.shade != null) {
+      setActiveShade(colorObj.shade);
+    }
+  }, [colorObj]);
+
+  return (
+    <div role="dialog" aria-modal="true" aria-label={t("labels.colorPicker")}>
+      <div
+        onKeyDown={(e) => {
+          e.preventDefault();
+          e.stopPropagation();
+
+          colorPickerKeyNavHandler({
+            e,
+            activeColorPickerSection,
+            palette,
+            hex: color,
+            onChange,
+            customColors,
+            setActiveColorPickerSection,
+            updateData,
+            activeShade,
+          });
+        }}
+        className="color-picker-content"
+        // to allow focusing by clicking but not by tabbing
+        tabIndex={-1}
+      >
+        {!!customColors.length && (
+          <div>
+            <PickerHeading>
+              {t("colorPicker.mostUsedCustomColors")}
+            </PickerHeading>
+            <CustomColorList
+              colors={customColors}
+              color={color}
+              label={t("colorPicker.mostUsedCustomColors")}
+              onChange={onChange}
+            />
+          </div>
+        )}
+
+        <div>
+          <PickerHeading>{t("colorPicker.colors")}</PickerHeading>
+          <PickerColorList
+            color={color}
+            label={label}
+            palette={palette}
+            onChange={onChange}
+            activeShade={activeShade}
+          />
+        </div>
+
+        <div>
+          <PickerHeading>{t("colorPicker.shades")}</PickerHeading>
+          <ShadeList hex={color} onChange={onChange} palette={palette} />
+        </div>
+        {children}
+      </div>
+    </div>
+  );
+};