awesome-uiwidgets/AwesomeUIWidgets/Assets/Scripts/heroSample/sections.cs

using System.Collections.Generic;
using uiwidgets;
using Unity.UIWidgets.material;
using Unity.UIWidgets.ui;

namespace UIWidgetsGallery.gallery {
    public class AnimationSectionsUtils {
        public static readonly Color _mariner = new Color(0xFF3B5F8F);
        public static readonly Color _mediumPurple = new Color(0xFF8266D4);
        public static readonly Color _tomato = new Color(0xFFF95B57);
        public static readonly Color _mySin = new Color(0xFFF3A646);
        const string _kGalleryAssetsPackage = "flutter_gallery_assets";

        public static readonly SectionDetail _eyeglassesDetail = new SectionDetail(
            imageAsset: "heroSample/cube2.jpeg",
            imageAssetPackage: _kGalleryAssetsPackage,
            title: "A cube is a three-dimensional solid object bounded by six square faces, facets or sides, with three meeting at each vertex",
            subtitle: "3K views - 5 days"
        );

        public static readonly SectionDetail _seatingDetail = new SectionDetail(
            imageAsset: "heroSample/sphere2.jpeg",
            imageAssetPackage: _kGalleryAssetsPackage,
            title: "A sphere is a geometrical object in three-dimensional space that is the surface of a ball",
            subtitle: "3K views - 5 days"
        );

        public static readonly SectionDetail _decorationDetail = new SectionDetail(
            imageAsset: "heroSample/capture2.jpeg",
            imageAssetPackage: _kGalleryAssetsPackage,
            title: "A capsule is a basic three-dimensional geometric shape consisting of a cylinder with hemispherical ends",
            subtitle: "3K views - 5 days"
        );

        public static readonly SectionDetail _protectionDetail = new SectionDetail(
            imageAsset: "heroSample/cylinder2.jpeg",
            imageAssetPackage: _kGalleryAssetsPackage,
            title: "A cylindrical surface is a surface consisting of all the points on all the lines which are parallel to a given line",
            subtitle: "3K views - 5 days"
        );

        public static List<Section> allSections = new List<Section> {
            new Section(
                heroType: 0,
                title: "CUBE",
                leftColor: _mediumPurple,
                rightColor: _mariner,
                backgroundAsset: "products/sunnies",
                backgroundAssetPackage: _kGalleryAssetsPackage,
                details: new List<SectionDetail> {
                    _eyeglassesDetail
                }
            ),
            new Section(
                heroType: 1,
                title: "SPHERE",
                leftColor: _tomato,
                rightColor: _mediumPurple,
                backgroundAsset: "products/table",
                backgroundAssetPackage: _kGalleryAssetsPackage,
                details: new List<SectionDetail> {
                    _seatingDetail
                }
            ),
            new Section(
                heroType: 2,
                title: "CAPSULE",
                leftColor: _mySin,
                rightColor: _tomato,
                backgroundAsset: "products/earrings",
                backgroundAssetPackage: _kGalleryAssetsPackage,
                details: new List<SectionDetail> {
                    _decorationDetail
                }
            ),
            new Section(
                heroType: 3,
                title: "CYLINDER",
                leftColor: Colors.green,
                rightColor: Colors.lightGreen,
                backgroundAsset: "products/hat",
                backgroundAssetPackage: _kGalleryAssetsPackage,
                details: new List<SectionDetail> {
                    _protectionDetail
                }
            )
        };
    }


    public class SectionDetail {
        public SectionDetail(
            string title = null,
            string subtitle = null,
            string imageAsset = null,
            string imageAssetPackage = null
        ) {
            this.title = title;
            this.subtitle = subtitle;
            this.imageAsset = imageAsset;
            this.imageAssetPackage = imageAssetPackage;
        }

        public readonly string title;
        public readonly string subtitle;
        public readonly string imageAsset;
        public readonly string imageAssetPackage;
    }

    public class Section {
        public Section(
            int heroType,
            string title,
            string backgroundAsset,
            string backgroundAssetPackage,
            Color leftColor,
            Color rightColor,
            List<SectionDetail> details
        )
        {
            this.heroType = heroType;
            this.title = title;
            this.backgroundAsset = backgroundAsset;
            this.backgroundAssetPackage = backgroundAssetPackage;
            this.leftColor = leftColor;
            this.rightColor = rightColor;
            this.details = details;
        }

        public readonly string title;
        public readonly string backgroundAsset;
        public readonly string backgroundAssetPackage;
        public readonly Color leftColor;
        public readonly Color rightColor;
        public readonly List<SectionDetail> details;
        public readonly int heroType;

        public static bool operator ==(Section left, Section right) {
            return Equals(left, right);
        }

        public static bool operator !=(Section left, Section right) {
            return !Equals(left, right);
        }

        public bool Equals(Section other) {
            return this.title == other.title;
        }

        public override bool Equals(object obj) {
            if (ReferenceEquals(null, obj)) {
                return false;
            }

            if (ReferenceEquals(this, obj)) {
                return true;
            }

            if (obj.GetType() != this.GetType()) {
                return false;
            }

            return this.Equals((Section) obj);
        }

        public override int GetHashCode() {
            return this.title.GetHashCode();
        }
    }
}