From 400b8b5274a7b5d19e57bfd0f6eaa89afb1b9192 Mon Sep 17 00:00:00 2001
From: Alex Ning <chineseperson5@gmail.com>
Date: Fri, 14 Aug 2020 14:14:57 +0800
Subject: Fix regex for spoiler. Support spoiler in
 CommentsListingRecyclerViewAdapter.

---
 .../Adapter/CommentAndPostRecyclerViewAdapter.java | 33 ++++-------
 .../CommentsListingRecyclerViewAdapter.java        | 65 ++++++++++++++++++++++
 2 files changed, 76 insertions(+), 22 deletions(-)

(limited to 'app/src/main/java/ml')

diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/CommentAndPostRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/CommentAndPostRecyclerViewAdapter.java
index defa4363..c63ba1e2 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/CommentAndPostRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/CommentAndPostRecyclerViewAdapter.java
@@ -13,7 +13,6 @@ import android.net.Uri;
 import android.os.Bundle;
 import android.text.Html;
 import android.text.Spannable;
-import android.text.SpannableString;
 import android.text.SpannableStringBuilder;
 import android.text.Spanned;
 import android.text.TextPaint;
@@ -251,7 +250,7 @@ public class CommentAndPostRecyclerViewAdapter extends RecyclerView.Adapter<Recy
                     @Override
                     public String processMarkdown(@NonNull String markdown) {
                         StringBuilder markdownStringBuilder = new StringBuilder(markdown);
-                        Pattern spoilerPattern = Pattern.compile(">!.+!<");
+                        Pattern spoilerPattern = Pattern.compile(">![\\S\\s]*?!<");
                         Matcher matcher = spoilerPattern.matcher(markdownStringBuilder);
                         while (matcher.find()) {
                             markdownStringBuilder.replace(matcher.start(), matcher.start() + 1, "&gt;");
@@ -262,18 +261,15 @@ public class CommentAndPostRecyclerViewAdapter extends RecyclerView.Adapter<Recy
                     @Override
                     public void afterSetText(@NonNull TextView textView) {
                         textView.setHighlightColor(Color.TRANSPARENT);
-                        StringBuilder markdownStringBuilder = new StringBuilder(textView.getText().toString());
-                        Pattern spoilerPattern = Pattern.compile(">!.+!<");
+                        SpannableStringBuilder markdownStringBuilder = new SpannableStringBuilder(textView.getText().toString());
+                        Pattern spoilerPattern = Pattern.compile(">![\\S\\s]*?!<");
                         Matcher matcher = spoilerPattern.matcher(markdownStringBuilder);
-                        Spannable spannable = new SpannableString(markdownStringBuilder);
                         int start = 0;
                         boolean find = false;
                         while (matcher.find(start)) {
                             find = true;
                             markdownStringBuilder.delete(matcher.end() - 2, matcher.end());
                             markdownStringBuilder.delete(matcher.start(), matcher.start() + 2);
-
-                            Spannable spannableCopy = new SpannableString(markdownStringBuilder);
                             ClickableSpan clickableSpan = new ClickableSpan() {
                                 private boolean isShowing = false;
                                 @Override
@@ -294,13 +290,11 @@ public class CommentAndPostRecyclerViewAdapter extends RecyclerView.Adapter<Recy
                                     view.invalidate();
                                 }
                             };
-                            spannableCopy.setSpan(clickableSpan, matcher.start(), matcher.end() - 4, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
-
-                            spannable = spannableCopy;
+                            markdownStringBuilder.setSpan(clickableSpan, matcher.start(), matcher.end() - 4, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
                             start = matcher.end() - 4;
                         }
                         if (find) {
-                            textView.setText(spannable);
+                            textView.setText(markdownStringBuilder);
                         }
                     }
 
@@ -353,7 +347,7 @@ public class CommentAndPostRecyclerViewAdapter extends RecyclerView.Adapter<Recy
                     @Override
                     public String processMarkdown(@NonNull String markdown) {
                         StringBuilder markdownStringBuilder = new StringBuilder(markdown);
-                        Pattern spoilerPattern = Pattern.compile(">!.+!<");
+                        Pattern spoilerPattern = Pattern.compile(">![\\S\\s]*?!<");
                         Matcher matcher = spoilerPattern.matcher(markdownStringBuilder);
                         while (matcher.find()) {
                             markdownStringBuilder.replace(matcher.start(), matcher.start() + 1, "&gt;");
@@ -364,27 +358,24 @@ public class CommentAndPostRecyclerViewAdapter extends RecyclerView.Adapter<Recy
                     @Override
                     public void afterSetText(@NonNull TextView textView) {
                         SpannableStringBuilder markdownStringBuilder = new SpannableStringBuilder(textView.getText().toString());
-                        Pattern spoilerPattern = Pattern.compile(">!.+!<");
+                        Pattern spoilerPattern = Pattern.compile(">![\\S\\s]*?!<");
                         Matcher matcher = spoilerPattern.matcher(markdownStringBuilder);
-                        Spannable spannable = new SpannableString(markdownStringBuilder);
                         int start = 0;
                         boolean find = false;
                         while (matcher.find(start)) {
                             find = true;
                             markdownStringBuilder.delete(matcher.end() - 2, matcher.end());
                             markdownStringBuilder.delete(matcher.start(), matcher.start() + 2);
-
-                            Spannable spannableCopy = new SpannableString(markdownStringBuilder);
                             ClickableSpan clickableSpan = new ClickableSpan() {
                                 private boolean isShowing = false;
                                 @Override
                                 public void updateDrawState(@NonNull TextPaint ds) {
                                     if (isShowing) {
                                         super.updateDrawState(ds);
-                                        ds.setColor(mCommentTextColor);
+                                        ds.setColor(markdownColor);
                                     } else {
                                         ds.bgColor = Color.BLACK;
-                                        ds.setColor(mCommentTextColor);
+                                        ds.setColor(markdownColor);
                                     }
                                     ds.setUnderlineText(false);
                                 }
@@ -395,13 +386,11 @@ public class CommentAndPostRecyclerViewAdapter extends RecyclerView.Adapter<Recy
                                     view.invalidate();
                                 }
                             };
-                            spannableCopy.setSpan(clickableSpan, matcher.start(), matcher.end() - 4, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
-
-                            spannable = spannableCopy;
+                            markdownStringBuilder.setSpan(clickableSpan, matcher.start(), matcher.end() - 4, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
                             start = matcher.end() - 4;
                         }
                         if (find) {
-                            textView.setText(spannable);
+                            textView.setText(markdownStringBuilder);
                         }
                     }
 
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/CommentsListingRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/CommentsListingRecyclerViewAdapter.java
index 349fb1b7..1db1f402 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/CommentsListingRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/CommentsListingRecyclerViewAdapter.java
@@ -4,9 +4,15 @@ import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.res.ColorStateList;
+import android.graphics.Color;
 import android.net.Uri;
 import android.os.Bundle;
+import android.text.SpannableStringBuilder;
+import android.text.Spanned;
+import android.text.TextPaint;
+import android.text.style.ClickableSpan;
 import android.text.style.SuperscriptSpan;
+import android.text.style.URLSpan;
 import android.text.util.Linkify;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -27,6 +33,8 @@ import androidx.recyclerview.widget.DiffUtil;
 import androidx.recyclerview.widget.RecyclerView;
 
 import java.util.Locale;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 import butterknife.BindView;
 import butterknife.ButterKnife;
@@ -102,8 +110,65 @@ public class CommentsListingRecyclerViewAdapter extends PagedListAdapter<Comment
         super(DIFF_CALLBACK);
         mContext = context;
         mOauthRetrofit = oauthRetrofit;
+        mCommentColor = customThemeWrapper.getCommentColor();
         mMarkwon = Markwon.builder(mContext)
                 .usePlugin(new AbstractMarkwonPlugin() {
+                    @NonNull
+                    @Override
+                    public String processMarkdown(@NonNull String markdown) {
+                        StringBuilder markdownStringBuilder = new StringBuilder(markdown);
+                        Pattern spoilerPattern = Pattern.compile(">![\\S\\s]*?!<");
+                        Matcher matcher = spoilerPattern.matcher(markdownStringBuilder);
+                        while (matcher.find()) {
+                            markdownStringBuilder.replace(matcher.start(), matcher.start() + 1, "&gt;");
+                        }
+                        return super.processMarkdown(markdownStringBuilder.toString());
+                    }
+
+                    @Override
+                    public void afterSetText(@NonNull TextView textView) {
+                        textView.setHighlightColor(Color.TRANSPARENT);
+                        SpannableStringBuilder markdownStringBuilder = new SpannableStringBuilder(textView.getText().toString());
+                        Pattern spoilerPattern = Pattern.compile(">![\\S\\s]*?!<");
+                        Matcher matcher = spoilerPattern.matcher(markdownStringBuilder);
+                        int start = 0;
+                        boolean find = false;
+                        while (matcher.find(start)) {
+                            find = true;
+                            markdownStringBuilder.delete(matcher.end() - 2, matcher.end());
+                            markdownStringBuilder.delete(matcher.start(), matcher.start() + 2);
+                            int matcherStart = matcher.start();
+                            int matcherEnd = matcher.end();
+                            ClickableSpan clickableSpan = new ClickableSpan() {
+                                private boolean isShowing = false;
+                                @Override
+                                public void updateDrawState(@NonNull TextPaint ds) {
+                                    if (isShowing) {
+                                        super.updateDrawState(ds);
+                                        ds.setColor(mCommentColor);
+                                    } else {
+                                        ds.bgColor = Color.BLACK;
+                                        ds.setColor(mCommentColor);
+                                    }
+                                    ds.setUnderlineText(false);
+                                }
+
+                                @Override
+                                public void onClick(@NonNull View view) {
+                                    if (!(isShowing && markdownStringBuilder.getSpans(matcherStart, matcherEnd - 4, URLSpan.class).length > 0)) {
+                                        isShowing = !isShowing;
+                                        view.invalidate();
+                                    }
+                                }
+                            };
+                            markdownStringBuilder.setSpan(clickableSpan, matcherStart, matcherEnd - 4, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
+                            start = matcherEnd - 4;
+                        }
+                        if (find) {
+                            textView.setText(markdownStringBuilder);
+                        }
+                    }
+
                     @Override
                     public void configureTheme(@NonNull MarkwonTheme.Builder builder) {
                         builder.linkColor(customThemeWrapper.getLinkColor());
-- 
cgit v1.2.3