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Code Issues Packages Projects Releases Wiki Activity

Use a hack to make spoiler text hidden at first. Click the spoiler area to reveal the spoiler text.

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This commit is contained in:
Alex Ning 2020-08-13 00:28:50 +08:00
parent a8dd4b351b
commit fac3b83bae
2 changed files with 104 additions and 4 deletions
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107
app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/CommentAndPostRecyclerViewAdapter.java
View File

@ -5,6 +5,7 @@ import android.content.SharedPreferences;
import android.content.res.ColorStateList;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.graphics.Color;
import android.graphics.ColorFilter;
import android.graphics.PorterDuff;
import android.graphics.drawable.Drawable;
@ -12,7 +13,11 @@ import android.net.Uri;
import android.os.Bundle;
import android.text.Html;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.Spanned;
import android.text.TextPaint;
import android.text.style.BackgroundColorSpan;
import android.text.style.ClickableSpan;
import android.text.style.SuperscriptSpan;
import android.text.util.Linkify;
import android.view.LayoutInflater;
@ -56,6 +61,8 @@ import org.commonmark.ext.gfm.tables.TableBlock;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import butterknife.BindView;
import butterknife.ButterKnife;
@ -239,6 +246,53 @@ public class CommentAndPostRecyclerViewAdapter extends RecyclerView.Adapter<Recy
int linkColor = customThemeWrapper.getLinkColor();
mPostDetailMarkwon = Markwon.builder(mActivity)
.usePlugin(new AbstractMarkwonPlugin() {
@NonNull
@Override
public String processMarkdown(@NonNull String markdown) {
StringBuilder markdownStringBuilder = new StringBuilder(markdown);
Pattern spoilerPattern = Pattern.compile(">!.+!<");
Matcher matcher = spoilerPattern.matcher(markdownStringBuilder);
while (matcher.find()) {
markdownStringBuilder.setCharAt(matcher.start(), '<');
}
return super.processMarkdown(markdownStringBuilder.toString());
}
@Override
public void afterSetText(@NonNull TextView textView) {
textView.setHighlightColor(Color.TRANSPARENT);
StringBuilder markdownStringBuilder = new StringBuilder(textView.getText().toString());
Pattern spoilerPattern = Pattern.compile("<!.+!<");
Matcher matcher = spoilerPattern.matcher(markdownStringBuilder);
Spannable spannable = new SpannableString(markdownStringBuilder);
int start = 0;
while (matcher.find(start)) {
markdownStringBuilder.delete(matcher.end() - 2, matcher.end());
markdownStringBuilder.delete(matcher.start(), matcher.start() + 2);
Spannable spannableCopy = new SpannableString(markdownStringBuilder);
BackgroundColorSpan backgroundColorSpan = new BackgroundColorSpan(Color.BLACK);
ClickableSpan clickableSpan = new ClickableSpan() {
@Override
public void updateDrawState(@NonNull TextPaint ds) {
ds.setUnderlineText(false);
}
@Override
public void onClick(@NonNull View view) {
spannableCopy.removeSpan(backgroundColorSpan);
spannableCopy.removeSpan(this);
}
};
spannableCopy.setSpan(clickableSpan, matcher.start(), matcher.end() - 4, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
spannableCopy.setSpan(backgroundColorSpan, matcher.start(), matcher.end() - 4, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
spannable = spannableCopy;
start = matcher.end() - 4;
}
textView.setText(spannable);
}
@Override
public void beforeSetText(@NonNull TextView textView, @NonNull Spanned markdown) {
textView.setTextColor(markdownColor);
@ -275,15 +329,62 @@ public class CommentAndPostRecyclerViewAdapter extends RecyclerView.Adapter<Recy
.usePlugin(StrikethroughPlugin.create())
.usePlugin(LinkifyPlugin.create(Linkify.WEB_URLS))
.usePlugin(SimpleExtPlugin.create(plugin ->
plugin.addExtension(1, '^', (configuration, props) -> {
return new SuperscriptSpan();
})
plugin.addExtension(1, '^', (configuration, props) -> {
return new SuperscriptSpan();
})
)
)
.usePlugin(TableEntryPlugin.create(mActivity))
.build();
mCommentMarkwon = Markwon.builder(mActivity)
.usePlugin(new AbstractMarkwonPlugin() {
@NonNull
@Override
public String processMarkdown(@NonNull String markdown) {
StringBuilder markdownStringBuilder = new StringBuilder(markdown);
Pattern spoilerPattern = Pattern.compile(">!.+!<");
Matcher matcher = spoilerPattern.matcher(markdownStringBuilder);
while (matcher.find()) {
markdownStringBuilder.setCharAt(matcher.start(), '<');
}
return super.processMarkdown(markdownStringBuilder.toString());
}
@Override
public void afterSetText(@NonNull TextView textView) {
textView.setHighlightColor(Color.TRANSPARENT);
StringBuilder markdownStringBuilder = new StringBuilder(textView.getText().toString());
Pattern spoilerPattern = Pattern.compile("<!.+!<");
Matcher matcher = spoilerPattern.matcher(markdownStringBuilder);
Spannable spannable = new SpannableString(markdownStringBuilder);
int start = 0;
while (matcher.find(start)) {
markdownStringBuilder.delete(matcher.end() - 2, matcher.end());
markdownStringBuilder.delete(matcher.start(), matcher.start() + 2);
Spannable spannableCopy = new SpannableString(markdownStringBuilder);
BackgroundColorSpan backgroundColorSpan = new BackgroundColorSpan(Color.BLACK);
ClickableSpan clickableSpan = new ClickableSpan() {
@Override
public void updateDrawState(@NonNull TextPaint ds) {
ds.setUnderlineText(false);
}
@Override
public void onClick(@NonNull View view) {
spannableCopy.removeSpan(backgroundColorSpan);
spannableCopy.removeSpan(this);
}
};
spannableCopy.setSpan(clickableSpan, matcher.start(), matcher.end() - 4, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
spannableCopy.setSpan(backgroundColorSpan, matcher.start(), matcher.end() - 4, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
spannable = spannableCopy;
start = matcher.end() - 4;
}
textView.setText(spannable);
}
@Override
public void configureConfiguration(@NonNull MarkwonConfiguration.Builder builder) {
builder.linkResolver((view, link) -> {

1
app/src/main/res/values/strings.xml
View File

@ -408,7 +408,6 @@
<string name="settings_enable_nsfw_title">Enable NSFW</string>
<string name="settings_blur_nsfw_title">Blur NSFW Images</string>
<string name="settings_blur_spoiler_title">Blur Spoiler Images</string>
<string name="settings_layout_no_limits_title">Display Under Navigation bar and Status Bar</string>
<string name="settings_about_master_title">About</string>
<string name="settings_acknowledgement_master_title">Acknowledgement</string>
<string name="settings_credits_master_title">Credits</string>