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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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namespace BSIPA_ModList.UI.ViewControllers |
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{ |
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[RequireComponent(/*typeof(ScrollRect),*/ 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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} |
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private string markdown = ""; |
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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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UpdateMd(); |
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} |
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} |
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public RectTransform rectTransform => GetComponent<RectTransform>(); |
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//private ScrollRect view;
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private RectTransform content; |
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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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// 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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return arg; |
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} |
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protected void Awake() |
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{ |
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content = new GameObject("Content Wrapper").AddComponent<RectTransform>(); |
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content.SetParent(transform); |
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var contentLayout = content.gameObject.AddComponent<LayoutElement>(); |
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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.Unconstrained; |
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contentLayout.preferredWidth = 100f; // to be adjusted
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content.sizeDelta = new Vector2(100f,100f); |
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/*view = GetComponent<ScrollRect>(); |
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view.content = content; |
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view.vertical = true; |
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view.horizontal = false; |
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view.verticalScrollbarVisibility = ScrollRect.ScrollbarVisibility.AutoHide; |
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view.horizontalScrollbarVisibility = ScrollRect.ScrollbarVisibility.AutoHide;*/ |
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} |
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private void UpdateMd() |
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{ |
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Clear(); |
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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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foreach (var node in doc.AsEnumerable()) |
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{ |
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Logger.md.Debug($"node {node}"); |
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if (node.Block != null) |
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{ |
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var block = node.Block; |
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void BlockNode(string name, float spacing, bool isVertical) |
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{ |
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var type = isVertical ? typeof(VerticalLayoutGroup) : typeof(HorizontalLayoutGroup); |
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if (node.IsOpening) |
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{ |
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Logger.md.Debug($"Creating block container {name}"); |
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currentText = null; |
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var go = new GameObject(name, typeof(RectTransform), type); |
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var vlayout = go.GetComponent<RectTransform>(); |
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vlayout.SetParent(layout.Peek()); |
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go.AddComponent<TagTypeComponent>().Tag = block.Tag; |
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layout.Push(vlayout); |
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if (isVertical) |
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{ |
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var vl = go.GetComponent<VerticalLayoutGroup>(); |
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vl.childControlHeight = vl.childControlWidth = |
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vl.childForceExpandHeight = vl.childForceExpandWidth = false; |
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vl.spacing = spacing; |
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} |
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else |
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{ |
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var hl = go.GetComponent<HorizontalLayoutGroup>(); |
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hl.childControlHeight = hl.childControlWidth = |
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hl.childForceExpandHeight = hl.childForceExpandWidth = false; |
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hl.spacing = spacing; |
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} |
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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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} |
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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", 10f, true); |
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break; |
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case BlockTag.SetextHeading: |
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BlockNode("Heading1", .1f, false); |
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break; |
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case BlockTag.AtxHeading: |
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BlockNode("Heading2", .1f, false); |
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break; |
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case BlockTag.Paragraph: |
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BlockNode("Paragraph", .1f, false); |
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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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switch (inl.Tag) |
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{ |
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case InlineTag.String: |
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if (currentText == null) |
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{ |
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Logger.md.Debug($"Adding new text element"); |
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var btt = layout.Peek().gameObject.GetComponent<TagTypeComponent>().Tag; |
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currentText = BeatSaberUI.CreateText(layout.Peek(), "", Vector2.zero); |
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//var le = currentText.gameObject.AddComponent<LayoutElement>();
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switch (btt) |
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{ |
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case BlockTag.List: |
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case BlockTag.ListItem: |
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case BlockTag.Paragraph: |
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currentText.fontSize = 3.5f; |
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currentText.enableWordWrapping = true; |
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break; |
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case BlockTag.AtxHeading: |
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currentText.fontSize = 4f; |
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currentText.enableWordWrapping = true; |
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break; |
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case BlockTag.SetextHeading: |
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currentText.fontSize = 4.5f; |
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currentText.enableWordWrapping = true; |
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break; |
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// TODO: add other relevant types
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} |
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} |
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Logger.md.Debug($"Appending '{inl.LiteralContent}' to current element"); |
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currentText.text += inl.LiteralContent; |
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break; |
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} |
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} |
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} |
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} |
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private void Clear() |
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{ |
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foreach (Transform child in content) |
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Destroy(child.gameObject); |
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} |
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} |
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} |