react-page/packages/plugins/layout/background/src/Controls/sub/LinearGradient.tsx

/* eslint-disable @typescript-eslint/no-explicit-any */
import Button from '@mui/material/Button';
import IconButton from '@mui/material/IconButton';
import Slider from '@mui/material/Slider';
import Typography from '@mui/material/Typography';
import DeleteIcon from '@mui/icons-material/Delete';
import type { RGBColor } from '@react-page/editor';
import { ColorPicker } from '@react-page/editor';
import React from 'react';
import type { BackgroundProps } from '../../types/component';

export interface LinearGradientComponentProps {
  ensureModeOn: () => void;
  onChangeGradientDegPreview: (
    value: number | undefined,
    index: number | undefined
  ) => void;
  onChangeGradientOpacityPreview: (
    value: number | undefined,
    index: number | undefined
  ) => void;
  onChangeGradientColorPreview: (
    color: RGBColor | undefined,
    index: number | undefined,
    cIndex: number | undefined
  ) => void;
  gradientDegPreview?: number;
  gradientDegPreviewIndex?: number;
  gradientOpacityPreview?: number;
  gradientOpacityPreviewIndex?: number;
  gradientColorPreview?: RGBColor;
  gradientColorPreviewIndex?: number;
  gradientColorPreviewColorIndex?: number;
}

class LinearGradientComponent extends React.Component<
  LinearGradientComponentProps & BackgroundProps
> {
  addGradient = () => {
    this.props.ensureModeOn();
    this.props.onChange({
      gradients: (this.props.data.gradients
        ? this.props.data.gradients
        : []
      ).concat({
        deg: 45,
        opacity: 1,
      }),
    });
  };

  handleChangeDeg = (index: number, value: number) => () => {
    this.props.onChangeGradientDegPreview &&
      this.props.onChangeGradientDegPreview(undefined, undefined);
    this.props.onChange({
      gradients: (this.props.data.gradients
        ? this.props.data.gradients
        : []
      ).map((g, i) => (i === index ? { ...g, deg: value } : g)),
    });
  };

  handleChangeDegPreview = (index: number) => (e: any, value: number) => {
    this.props.onChangeGradientDegPreview &&
      this.props.onChangeGradientDegPreview(value, index);
  };

  handleChangeOpacity = (index: number, value: number) => () => {
    this.props.onChangeGradientOpacityPreview &&
      this.props.onChangeGradientOpacityPreview(undefined, undefined);
    this.props.onChange({
      gradients: (this.props.data.gradients
        ? this.props.data.gradients
        : []
      ).map((g, i) => (i === index ? { ...g, opacity: value } : g)),
    });
  };

  handleChangeOpacityPreview =
    (index: number) => (e: unknown, value: number) => {
      this.props.onChangeGradientOpacityPreview &&
        this.props.onChangeGradientOpacityPreview(value, index);
    };

  handleChangeGradientColor =
    (index: number, cpIndex: number) => (e: RGBColor) => {
      this.props.onChangeGradientColorPreview &&
        this.props.onChangeGradientColorPreview(
          undefined,
          undefined,
          undefined
        );
      this.props.onChange({
        gradients: (this.props.data.gradients ?? []).map((g, i) =>
          i === index
            ? {
                ...g,
                colors: (g.colors ? g.colors : []).map((c, cpI) =>
                  cpI === cpIndex ? { ...c, color: e } : c
                ),
              }
            : g
        ),
      });
    };

  handleChangeGradientColorPreview =
    (index: number, cpIndex: number) => (e: RGBColor) => {
      this.props.onChangeGradientColorPreview &&
        this.props.onChangeGradientColorPreview(e, index, cpIndex);
    };

  addColor = (index: number) => () => {
    this.props.ensureModeOn();
    this.props.onChange({
      gradients: this.props.data.gradients?.map((g, i) =>
        i === index
          ? {
              ...g,
              colors: [
                ...(g.colors ? g.colors : []),
                {
                  color:
                    (g.colors ? g.colors : []).length % 2 === index % 2
                      ? this.props.defaultGradientColor
                      : this.props.defaultGradientSecondaryColor,
                },
              ],
            }
          : g
      ),
    });
  };

  removeColor = (index: number, cpIndex: number) => () => {
    this.props.onChange({
      gradients: this.props.data.gradients?.map((g, i) =>
        i === index
          ? {
              ...g,
              colors: (g.colors ? g.colors : []).filter(
                (c, cpI) => cpI !== cpIndex
              ),
            }
          : g
      ),
    });
  };

  removeGradient = (index: number) => () => {
    this.props.onChange({
      gradients: this.props.data.gradients?.filter((item, i) => i !== index),
    });
  };

  render() {
    const {
      gradientDegPreview,
      gradientDegPreviewIndex,
      gradientOpacityPreview,
      gradientOpacityPreviewIndex,
      gradientColorPreview,
      gradientColorPreviewIndex,
      gradientColorPreviewColorIndex,
      data: { gradients = [] },
    } = this.props;
    return (
      <div>
        {gradients.map((gradient, i) => {
          const colors = gradient.colors ? gradient.colors : [];
          const deg =
            i === gradientDegPreviewIndex && gradientDegPreview !== undefined
              ? gradientDegPreview
              : gradient.deg;
          const opacity =
            i === gradientOpacityPreviewIndex &&
            gradientOpacityPreview !== undefined
              ? gradientOpacityPreview
              : gradient.opacity;
          return (
            <div key={i}>
              {/* Render the gradient sliders */}
              {/* Must use this maxWidth else when the gradient opacity slider is 100%, it goes beyond 100% and an ugly scrollbar shows */}
              <div style={{ display: 'flex', maxWidth: '96%' }}>
                <div style={{ flex: 1 }}>
                  <Typography variant="body1" id="linear-gradient-degree-label">
                    {this.props.translations?.gradientRotation} ({deg}
                    {this.props.translations?.degrees})
                  </Typography>
                  <Slider
                    aria-labelledby="linear-gradient-degree-label"
                    value={deg}
                    onChange={this.handleChangeDegPreview(i) as any}
                    onChangeCommitted={this.handleChangeDeg(i, deg)}
                    step={5}
                    min={0}
                    max={360}
                  />
                </div>

                <div style={{ flex: 1, marginLeft: 16 }}>
                  <Typography
                    variant="body1"
                    id="linear-gradient-opacity-label"
                  >
                    {this.props.translations?.gradientOpacity} (
                    {(opacity * 100).toFixed(0)}
                    %)
                  </Typography>
                  <Slider
                    aria-labelledby="linear-gradient-opacity-label"
                    value={opacity}
                    onChange={this.handleChangeOpacityPreview(i) as any}
                    onChangeCommitted={this.handleChangeOpacity(i, opacity)}
                    step={0.01}
                    min={0}
                    max={1}
                  />
                </div>
              </div>

              {/* Render the color pickers */}
              <div style={{ marginBottom: 32 }}>
                {colors.map((c, cpIndex) => {
                  const color =
                    i === gradientColorPreviewIndex &&
                    cpIndex === gradientColorPreviewColorIndex &&
                    gradientColorPreview !== undefined
                      ? gradientColorPreview
                      : c.color;
                  return (
                    <React.Fragment key={cpIndex}>
                      <ColorPicker
                        buttonContent={'Select color ' + cpIndex}
                        style={{ marginLeft: '8px' }}
                        color={color}
                        onChange={this.handleChangeGradientColorPreview(
                          i,
                          cpIndex
                        )}
                        onChangeComplete={this.handleChangeGradientColor(
                          i,
                          cpIndex
                        )}
                      />
                      <IconButton
                        aria-label="Delete"
                        onClick={this.removeColor(i, cpIndex)}
                      >
                        <DeleteIcon />
                      </IconButton>
                    </React.Fragment>
                  );
                })}

                {/* Render the add new gradient button */}
                <Button
                  variant="contained"
                  onClick={this.addColor(i)}
                  style={{ marginLeft: '8px' }}
                >
                  {this.props.translations?.addColor}
                </Button>
                <IconButton
                  aria-label="Delete"
                  onClick={this.removeGradient(i)}
                >
                  <DeleteIcon />
                </IconButton>
              </div>
            </div>
          );
        })}

        <Button
          style={{
            margin: 'auto',
          }}
          variant="outlined"
          onClick={this.addGradient}
          disabled={gradients.length > 5}
        >
          {this.props.translations?.addGradient}
        </Button>
      </div>
    );
  }
}

export default LinearGradientComponent;