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620 lines
27 KiB
620 lines
27 KiB
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using UnityEngine;
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using CommonMark;
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using CommonMark.Syntax;
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using UnityEngine.UI;
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using TMPro;
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using CustomUI.BeatSaber;
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using IPA.Utilities;
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using System.Reflection;
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using UnityEngine.EventSystems;
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using System.Diagnostics;
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using System.Collections;
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namespace BSIPA_ModList.UI.ViewControllers
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{
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[RequireComponent(typeof(RectTransform))]
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public class MarkdownView : MonoBehaviour
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{
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private class TagTypeComponent : MonoBehaviour
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{
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internal BlockTag Tag;
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internal HeadingData hData;
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}
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private string markdown = "";
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private bool mdDirty = false;
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public string Markdown
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{
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get => markdown;
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set
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{
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markdown = value;
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mdDirty = true;
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}
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}
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public RectTransform rectTransform => GetComponent<RectTransform>();
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private ScrollView scrView;
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private RectTransform content;
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private RectTransform viewport;
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private CommonMarkSettings settings;
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public MarkdownView()
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{
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settings = CommonMarkSettings.Default.Clone();
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settings.AdditionalFeatures = CommonMarkAdditionalFeatures.All;
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settings.RenderSoftLineBreaksAsLineBreaks = false;
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settings.UriResolver = ResolveUri;
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}
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public Func<string, bool> HasEmbeddedImage;
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private string ResolveUri(string arg)
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{
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var name = arg.Substring(3);
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if (!arg.StartsWith("!::") && !arg.StartsWith("w::"))
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{ // !:: means embedded, w:: means web
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// this block is for when neither is specified
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Logger.md.Debug($"Resolving nonspecific URI {arg}");
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// check if its embedded
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if (HasEmbeddedImage != null && HasEmbeddedImage(arg))
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return "!::" + arg;
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else
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return "w::" + arg;
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}
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Logger.md.Debug($"Resolved specific URI {arg}");
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return arg;
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}
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private static string GetLinkUri(string uri)
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{
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if (uri[0] == '!')
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{
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Logger.md.Error($"Cannot link to embedded resource in mod description");
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return null;
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}
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else
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return uri.Substring(3);
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}
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private static AssetBundle _bundle;
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private static AssetBundle Bundle
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{
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get
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{
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if (_bundle == null)
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_bundle = AssetBundle.LoadFromStream(Assembly.GetExecutingAssembly().GetManifestResourceStream("BSIPA_ModList.Bundles.consolas"));
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return _bundle;
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}
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}
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private static TMP_FontAsset _consolas;
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private static TMP_FontAsset Consolas
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{
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get
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{
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if (_consolas == null)
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{
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_consolas = Bundle?.LoadAsset<TMP_FontAsset>("CONSOLAS");
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if (_consolas != null)
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{
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_consolas.material.color = new Color(1f, 1f, 1f, 0f);
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_consolas.material.globalIlluminationFlags = MaterialGlobalIlluminationFlags.None;
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}
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}
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return _consolas;
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}
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}
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protected void Awake()
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{
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if (Consolas == null)
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Logger.md.Error($"Loading of Consolas font failed");
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gameObject.SetActive(false);
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var vpgo = new GameObject("Viewport");
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viewport = vpgo.AddComponent<RectTransform>();
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viewport.SetParent(transform);
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viewport.localPosition = Vector2.zero;
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viewport.anchorMin = Vector2.zero;
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viewport.anchorMax = Vector2.one;
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viewport.anchoredPosition = new Vector2(.5f, .5f);
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viewport.sizeDelta = Vector2.zero;
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var vpmask = vpgo.AddComponent<Mask>();
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var vpim = vpgo.AddComponent<Image>(); // supposedly Mask needs an Image?
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vpmask.showMaskGraphic = false;
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vpim.color = Color.white;
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vpim.sprite = WhitePixel;
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vpim.material = CustomUI.Utilities.UIUtilities.NoGlowMaterial;
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content = new GameObject("Content Wrapper").AddComponent<RectTransform>();
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content.SetParent(viewport);
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content.gameObject.AddComponent<TagTypeComponent>();
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content.localPosition = Vector2.zero;
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content.anchorMin = new Vector2(0f, 1f);
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content.anchorMax = new Vector2(1f, 1f);
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content.anchoredPosition = Vector2.zero;
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var contentLayout = content.gameObject.AddComponent<VerticalLayoutGroup>();
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var contentFitter = content.gameObject.AddComponent<ContentSizeFitter>();
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contentFitter.horizontalFit = ContentSizeFitter.FitMode.PreferredSize;
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contentFitter.verticalFit = ContentSizeFitter.FitMode.PreferredSize;
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contentLayout.childControlHeight = true;
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contentLayout.childControlWidth = false;
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contentLayout.childForceExpandHeight = false;
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contentLayout.childForceExpandWidth = true;
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contentLayout.childAlignment = TextAnchor.UpperCenter;
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contentLayout.spacing = 0f;
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var pageUp = Instantiate(Resources.FindObjectsOfTypeAll<Button>().Last((Button x) => x.name == "PageUpButton"), rectTransform, false);
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var pageDown = Instantiate(Resources.FindObjectsOfTypeAll<Button>().Last((Button x) => x.name == "PageDownButton"), rectTransform, false);
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{
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var pup_rt = pageUp.transform as RectTransform;
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var pup_sof = pup_rt.sizeDelta.y;
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var pup_xoff = (rectTransform.sizeDelta.x / 2) + (pup_sof / 2);
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pup_rt.anchoredPosition = new Vector2(pup_xoff, pup_rt.anchoredPosition.y);
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var pup_bg_rt = pup_rt.Find("BG") as RectTransform;
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pup_bg_rt.sizeDelta = new Vector2(pup_bg_rt.sizeDelta.y, pup_bg_rt.sizeDelta.y);
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// fix hitbox
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pup_rt.anchorMin = new Vector2(.5f, pup_rt.anchorMin.y);
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pup_rt.anchorMax = new Vector2(.5f, pup_rt.anchorMax.y);
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pup_rt.sizeDelta = new Vector2(pup_rt.sizeDelta.y, pup_rt.sizeDelta.y);
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}
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{
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var pdn_rt = pageDown.transform as RectTransform;
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var pdn_sof = pdn_rt.sizeDelta.y;
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var pdn_xoff = (rectTransform.sizeDelta.x / 2) + (pdn_sof / 2);
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pdn_rt.anchoredPosition = new Vector2(pdn_xoff, pdn_rt.anchoredPosition.y);
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var pdn_bg_rt = pdn_rt.Find("BG") as RectTransform;
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pdn_bg_rt.sizeDelta = new Vector2(pdn_bg_rt.sizeDelta.y, pdn_bg_rt.sizeDelta.y);
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// fix hitbox
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pdn_rt.anchorMin = new Vector2(.5f, pdn_rt.anchorMin.y);
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pdn_rt.anchorMax = new Vector2(.5f, pdn_rt.anchorMax.y);
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pdn_rt.sizeDelta = new Vector2(pdn_rt.sizeDelta.y, pdn_rt.sizeDelta.y);
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}
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scrView = gameObject.AddComponent<ScrollView>();
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scrView.SetPrivateField("_pageUpButton", pageUp);
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scrView.SetPrivateField("_pageDownButton", pageDown);
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scrView.SetPrivateField("_contentRectTransform", content);
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scrView.SetPrivateField("_viewport", viewport);
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gameObject.SetActive(true);
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}
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private static Sprite whitePixel;
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private static Sprite WhitePixel
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{
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get
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{
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if (whitePixel == null)
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whitePixel = Resources.FindObjectsOfTypeAll<Sprite>().First(s => s.name == "WhitePixel");
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return whitePixel;
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}
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}
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#if DEBUG
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#if UI_CONFIGURE_MARKDOWN_THEMATIC_BREAK
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private byte tbreakSettings = 0;
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#endif
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#endif
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public void Update()
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{
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#if DEBUG && UI_CONFIGURE_MARKDOWN_THEMATIC_BREAK
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if (Input.GetKeyDown(KeyCode.K))
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{
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tbreakSettings = (byte)((tbreakSettings + 1) % 16);
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UpdateMd();
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Logger.md.Info(tbreakSettings.ToString());
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}
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#endif
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if (mdDirty)
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StartCoroutine(UpdateMd());
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}
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[Flags]
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private enum CurrentTextFlags
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{
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None = 0, Bold = 1, Italic = 2, Underline = 4, Strikethrough = 8,
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}
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private const string LinkDefaultColor = "#0061ff";
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private const string LinkHoverColor = "#009dff";
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private bool resetContentPosition = false;
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private IEnumerator UpdateMd()
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{
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mdDirty = false;
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Clear();
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// enable so it will set stuff up
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content.gameObject.GetComponent<VerticalLayoutGroup>().enabled = true;
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var doc = CommonMarkConverter.Parse(markdown, settings);
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Stack<RectTransform> layout = new Stack<RectTransform>();
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layout.Push(content);
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TextMeshProUGUI currentText = null;
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List<TextMeshProUGUI> texts = new List<TextMeshProUGUI>();
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CurrentTextFlags textFlags = 0;
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foreach (var node in doc.AsEnumerable())
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{
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Logger.md.Debug($"node {node}");
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if (node.Block != null)
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{
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var block = node.Block;
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const float BreakHeight = .5f;
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const int TextInset = 1;
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void Spacer(float size = 1.5f)
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{
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var go = new GameObject("Spacer", typeof(RectTransform));
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var vlayout = go.GetComponent<RectTransform>();
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vlayout.SetParent(layout.Peek());
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vlayout.anchorMin = new Vector2(.5f, .5f);
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vlayout.anchorMax = new Vector2(.5f, .5f);
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vlayout.localScale = Vector3.one;
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vlayout.localPosition = Vector3.zero;
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var l = go.AddComponent<LayoutElement>();
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l.minHeight = l.preferredHeight = size;
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}
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HorizontalOrVerticalLayoutGroup BlockNode(string name, float spacing, bool isVertical, Action<TagTypeComponent> apply = null, float? spacer = null, bool isDoc = false)
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{
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if (node.IsOpening)
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{
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Logger.md.Debug($"Creating block container {name}");
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currentText = null;
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var go = new GameObject(name, typeof(RectTransform));
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var vlayout = go.GetComponent<RectTransform>();
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vlayout.SetParent(layout.Peek());
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//vlayout.anchoredPosition = new Vector2(.5f, .5f);
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vlayout.anchorMin = new Vector2(.5f, .5f);
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vlayout.anchorMax = new Vector2(.5f, .5f);
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vlayout.localScale = Vector3.one;
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vlayout.localPosition = Vector3.zero;
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if (isDoc)
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{
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vlayout.sizeDelta = new Vector2(rectTransform.rect.width, 0f);
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vlayout.anchorMin = new Vector2(0f, 1f);
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vlayout.anchorMax = new Vector2(1f, 1f);
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//vlayout.anchoredPosition = new Vector2(0f, -30f); // no idea where this -30 comes from, but it works for my use
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}
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var tt = go.AddComponent<TagTypeComponent>();
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tt.Tag = block.Tag;
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apply?.Invoke(tt);
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layout.Push(vlayout);
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HorizontalOrVerticalLayoutGroup l;
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if (isVertical)
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l = go.AddComponent<VerticalLayoutGroup>();
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else
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l = go.AddComponent<HorizontalLayoutGroup>();
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l.childControlHeight = l.childControlWidth = true;
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l.childForceExpandHeight = l.childForceExpandWidth = false;
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l.childForceExpandWidth = isDoc;
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l.spacing = spacing;
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if (isDoc)
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{
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vlayout.anchoredPosition = new Vector2(0f, -vlayout.rect.height);
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}
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return l;
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}
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else if (node.IsClosing)
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{
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currentText = null;
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layout.Pop();
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if (spacer.HasValue)
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Spacer(spacer.Value);
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}
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return null;
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}
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void ThematicBreak()
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{ // TODO: Fix positioning
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var go = new GameObject("ThematicBreak", typeof(RectTransform), typeof(HorizontalLayoutGroup));
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var vlayout = go.GetComponent<RectTransform>();
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vlayout.SetParent(layout.Peek());
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var l = go.GetComponent<HorizontalLayoutGroup>();
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#if DEBUG && UI_CONFIGURE_MARKDOWN_THEMATIC_BREAK
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l.childControlHeight = (tbreakSettings & 0b0001) != 0; // if set, not well behaved
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l.childControlWidth = (tbreakSettings & 0b0010) != 0;
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l.childForceExpandHeight = (tbreakSettings & 0b0100) != 0; // if set, not well behaved
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l.childForceExpandWidth = (tbreakSettings & 0b1000) != 0;
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#else
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l.childControlHeight = false;
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l.childControlWidth = false;
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l.childForceExpandHeight = false;
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l.childForceExpandWidth = false;
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#endif
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l.childAlignment = TextAnchor.UpperCenter;
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l.spacing = 0f;
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vlayout.localScale = Vector3.one;
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vlayout.anchoredPosition = Vector2.zero;
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vlayout.anchorMin = new Vector2(.5f, .5f);
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vlayout.anchorMax = new Vector2(.5f, .5f);
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vlayout.sizeDelta = new Vector2(layout.Peek().rect.width, BreakHeight);
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vlayout.localPosition = Vector3.zero;
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currentText = null;
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go = new GameObject("ThematicBreak Bar", typeof(RectTransform), typeof(Image), typeof(LayoutElement));
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var im = go.GetComponent<Image>();
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im.color = Color.white;
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// i think i need to copy the sprite because i'm using the same one for the mask
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im.sprite = Sprite.Create(WhitePixel.texture, WhitePixel.rect, Vector2.zero);
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im.material = CustomUI.Utilities.UIUtilities.NoGlowMaterial;
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var rt = go.GetComponent<RectTransform>();
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rt.SetParent(vlayout);
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var le = go.GetComponent<LayoutElement>();
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le.minWidth = le.preferredWidth = layout.Peek().rect.width;
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le.minHeight = le.preferredHeight = BreakHeight;
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le.flexibleHeight = le.flexibleWidth = 1f;
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rt.localScale = Vector3.one;
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rt.localPosition = Vector3.zero;
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rt.anchoredPosition = Vector3.zero;
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rt.anchorMin = Vector2.zero;
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rt.anchorMax = Vector2.one;
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rt.sizeDelta = new Vector2(layout.Peek().rect.width, BreakHeight);
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Spacer(1f);
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}
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switch (block.Tag)
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{
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case BlockTag.Document:
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BlockNode("DocumentRoot", .5f, true, isDoc: true);
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break;
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case BlockTag.SetextHeading:
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var l = BlockNode("SeHeading", .1f, false, t => t.hData = block.Heading);
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if (l)
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{
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l.childAlignment = TextAnchor.UpperCenter;
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l.padding = new RectOffset(TextInset, TextInset, 0, 0);
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}
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else ThematicBreak();
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break;
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case BlockTag.AtxHeading:
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l = BlockNode("AtxHeading", .1f, false, t => t.hData = block.Heading);
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if (l) l.padding = new RectOffset(TextInset, TextInset, 0, 0);
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if (l && block.Heading.Level == 1)
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l.childAlignment = TextAnchor.UpperCenter;
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break;
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case BlockTag.Paragraph:
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l = BlockNode("Paragraph", .1f, false, spacer: 1.5f);
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if (l) l.padding = new RectOffset(TextInset, TextInset, 0, 0);
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break;
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case BlockTag.ThematicBreak:
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ThematicBreak();
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break;
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// TODO: add the rest of the tag types
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}
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}
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else if (node.Inline != null)
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{ // inline element
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var inl = node.Inline;
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void Flag(CurrentTextFlags flag)
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{
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if (node.IsOpening)
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textFlags |= flag;
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else if (node.IsClosing)
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textFlags &= ~flag;
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}
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const float PSize = 3.5f;
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const float H1Size = 4.8f;
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const float HLevelDecrease = 0.5f;
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void EnsureText()
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{
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if (currentText == null)
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{
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Logger.md.Debug($"Adding new text element");
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var tt = layout.Peek().gameObject.GetComponent<TagTypeComponent>();
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currentText = BeatSaberUI.CreateText(layout.Peek(), "", Vector2.zero);
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currentText.gameObject.AddComponent<TextLinkDecoder>();
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/*if (Consolas != null)
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{
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// Set the font to Consolas so code blocks work
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currentText.font = Instantiate(Consolas);
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currentText.text = $"<font={DefaultFontName}>";
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}*/
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switch (tt.Tag)
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{
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case BlockTag.List:
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case BlockTag.ListItem:
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case BlockTag.Paragraph:
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currentText.fontSize = PSize;
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currentText.enableWordWrapping = true;
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break;
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case BlockTag.AtxHeading:
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var size = H1Size;
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size -= HLevelDecrease * (tt.hData.Level - 1);
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currentText.fontSize = size;
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currentText.enableWordWrapping = true;
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break;
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case BlockTag.SetextHeading:
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currentText.fontSize = H1Size;
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currentText.enableWordWrapping = true;
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break;
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// TODO: add other relevant types
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}
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texts.Add(currentText);
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}
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}
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switch (inl.Tag)
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{
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case InlineTag.String:
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EnsureText();
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string head = "<noparse>", tail = "</noparse>";
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if (textFlags.HasFlag(CurrentTextFlags.Bold))
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{ head = "<b>" + head; tail += "</b>"; }
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if (textFlags.HasFlag(CurrentTextFlags.Italic))
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{ head = "<i>" + head; tail += "</i>"; }
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if (textFlags.HasFlag(CurrentTextFlags.Strikethrough))
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{ head = "<s>" + head; tail += "</s>"; }
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if (textFlags.HasFlag(CurrentTextFlags.Underline))
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{ head = "<u>" + head; tail += "</u>"; }
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currentText.text += head + inl.LiteralContent + tail;
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break;
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case InlineTag.Strong:
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Flag(CurrentTextFlags.Bold);
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break;
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case InlineTag.Strikethrough:
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Flag(CurrentTextFlags.Strikethrough);
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break;
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case InlineTag.Emphasis:
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Flag(CurrentTextFlags.Italic);
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break;
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case InlineTag.Code:
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EnsureText();
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currentText.text += $"<link=\"$$codeBlock\"><noparse>{inl.LiteralContent}</noparse></link>";
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break;
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case InlineTag.Link:
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EnsureText();
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Flag(CurrentTextFlags.Underline);
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if (node.IsOpening)
|
|
currentText.text += $"<color={LinkDefaultColor}><link=\"{ResolveUri(inl.TargetUrl)}\">";
|
|
else if (node.IsClosing)
|
|
currentText.text += "</link></color>";
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
yield return null; // delay one frame
|
|
|
|
scrView.Setup();
|
|
|
|
// this is the bullshit I have to use to make it work properly
|
|
content.gameObject.GetComponent<VerticalLayoutGroup>().enabled = false;
|
|
var childRt = content.GetChild(0) as RectTransform;
|
|
childRt.anchoredPosition = new Vector2(0f, childRt.anchoredPosition.y);
|
|
|
|
if (Consolas != null)
|
|
{
|
|
foreach (var link in texts.Select(t => t.textInfo.linkInfo).Aggregate<IEnumerable<TMP_LinkInfo>>(Enumerable.Concat).Where(l => l.GetLinkID() == "$$codeBlock"))
|
|
{
|
|
//link.textComponent.font = Consolas;
|
|
var texinfo = link.textComponent.textInfo;
|
|
texinfo.characterInfo[link.linkTextfirstCharacterIndex].DebugPrintTo(Logger.md.Debug, 2);
|
|
for (int i = link.linkTextfirstCharacterIndex; i < link.linkTextfirstCharacterIndex + link.linkTextLength; i++)
|
|
{
|
|
|
|
texinfo.characterInfo[i].fontAsset = Consolas;
|
|
texinfo.characterInfo[i].material = Consolas.material;
|
|
texinfo.characterInfo[i].isUsingAlternateTypeface = true;
|
|
}
|
|
}
|
|
foreach (var text in texts)
|
|
{
|
|
text.SetLayoutDirty();
|
|
text.SetVerticesDirty();
|
|
}
|
|
}
|
|
}
|
|
|
|
private class TextLinkDecoder : MonoBehaviour, IPointerClickHandler
|
|
{
|
|
private TextMeshProUGUI tmp;
|
|
|
|
public void Awake()
|
|
{
|
|
tmp = GetComponent<TextMeshProUGUI>();
|
|
}
|
|
|
|
public void OnPointerClick(PointerEventData eventData)
|
|
{
|
|
// this may not actually get me what i want
|
|
int linkIndex = TMP_TextUtilities.FindIntersectingLink(tmp, eventData.pointerPressRaycast.worldPosition, null);
|
|
if (linkIndex != -1)
|
|
{ // was a link clicked?
|
|
TMP_LinkInfo linkInfo = tmp.textInfo.linkInfo[linkIndex];
|
|
|
|
// open the link id as a url, which is the metadata we added in the text field
|
|
var qualifiedUrl = linkInfo.GetLinkID();
|
|
if (qualifiedUrl.StartsWith("$$"))
|
|
return; // this means its used for something else
|
|
|
|
Logger.md.Debug($"Link pressed {qualifiedUrl}");
|
|
|
|
var uri = GetLinkUri(qualifiedUrl);
|
|
if (uri != null)
|
|
Process.Start(uri);
|
|
}
|
|
}
|
|
|
|
private List<Color32[]> SetLinkToColor(int linkIndex, Color32 color)
|
|
{
|
|
TMP_LinkInfo linkInfo = tmp.textInfo.linkInfo[linkIndex];
|
|
|
|
var oldVertColors = new List<Color32[]>(); // store the old character colors
|
|
|
|
for (int i = 0; i < linkInfo.linkTextLength; i++)
|
|
{ // for each character in the link string
|
|
int characterIndex = linkInfo.linkTextfirstCharacterIndex + i; // the character index into the entire text
|
|
var charInfo = tmp.textInfo.characterInfo[characterIndex];
|
|
int meshIndex = charInfo.materialReferenceIndex; // Get the index of the material / sub text object used by this character.
|
|
int vertexIndex = charInfo.vertexIndex; // Get the index of the first vertex of this character.
|
|
|
|
Color32[] vertexColors = tmp.textInfo.meshInfo[meshIndex].colors32; // the colors for this character
|
|
oldVertColors.Add(vertexColors.ToArray());
|
|
|
|
if (charInfo.isVisible)
|
|
{
|
|
vertexColors[vertexIndex + 0] = color;
|
|
vertexColors[vertexIndex + 1] = color;
|
|
vertexColors[vertexIndex + 2] = color;
|
|
vertexColors[vertexIndex + 3] = color;
|
|
}
|
|
}
|
|
|
|
// Update Geometry
|
|
tmp.UpdateVertexData(TMP_VertexDataUpdateFlags.All);
|
|
|
|
return oldVertColors;
|
|
}
|
|
}
|
|
|
|
private void Clear()
|
|
{
|
|
content.gameObject.SetActive(false);
|
|
void Clear(Transform target)
|
|
{
|
|
foreach (Transform child in target)
|
|
{
|
|
Clear(child);
|
|
Logger.md.Debug($"Destroying {child.name}");
|
|
child.SetParent(null);
|
|
Destroy(child.gameObject);
|
|
}
|
|
}
|
|
Clear(content);
|
|
content.gameObject.SetActive(true);
|
|
}
|
|
}
|
|
}
|