Merge pull request #1123 from kekkyojin/style-code-tag

Styling <code> tag for Markdown content
This commit is contained in:
Akinwale Ariwodola 2021-02-16 16:59:36 +01:00 committed by GitHub
commit f0f0a5028b
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 35 additions and 1 deletions

View file

@ -40,6 +40,7 @@ import androidx.annotation.NonNull;
import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.widget.AppCompatSpinner;
import androidx.constraintlayout.widget.ConstraintLayout;
import androidx.core.content.ContextCompat;
import androidx.core.text.HtmlCompat;
import androidx.core.widget.NestedScrollView;
import androidx.preference.PreferenceManager;
@ -76,8 +77,12 @@ import com.google.android.material.button.MaterialButton;
import com.google.android.material.snackbar.Snackbar;
import com.google.android.material.textfield.TextInputEditText;
import org.commonmark.node.Code;
import org.commonmark.node.Node;
import org.commonmark.parser.Parser;
import org.commonmark.renderer.html.AttributeProvider;
import org.commonmark.renderer.html.AttributeProviderContext;
import org.commonmark.renderer.html.AttributeProviderFactory;
import org.commonmark.renderer.html.HtmlRenderer;
import org.json.JSONException;
import org.json.JSONObject;
@ -2194,7 +2199,14 @@ public class FileViewFragment extends BaseFragment implements
private String buildMarkdownHtml(String markdown) {
Parser parser = Parser.builder().build();
Node document = parser.parse(markdown);
HtmlRenderer renderer = HtmlRenderer.builder().build();
HtmlRenderer renderer = HtmlRenderer.builder()
.attributeProviderFactory(new AttributeProviderFactory() {
@Override
public AttributeProvider create(AttributeProviderContext context) {
return new CodeAttributeProvider();
}
})
.build();
String markdownHtml = renderer.render(document);
return "<!doctype html>\n" +
@ -3235,4 +3247,20 @@ public class FileViewFragment extends BaseFragment implements
});
task.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
}
class CodeAttributeProvider implements AttributeProvider {
@Override
public void setAttributes(Node node, String tagName, Map<String, String> attributes) {
if (node instanceof Code) {
Context context = getContext();
String colorCodeText = "#".concat(Integer.toHexString(ContextCompat.getColor(context, R.color.codeTagText) & 0x00ffffff));
String colorCodeBg = "#".concat(Integer.toHexString(ContextCompat.getColor(context, R.color.codeTagBackground) & 0x00ffffff));
String codeStyle = "display: inline-block; border-radius: 0.2rem" +
"; color: " + colorCodeText + "; background-color: " + colorCodeBg +
"; font-size: 0.8571rem; padding: calc(2rem/5 - 4px) calc(2rem/5) calc(2rem/5 - 5px);";
attributes.put("style", codeStyle);
}
}
}
}

View file

@ -58,4 +58,7 @@
<color name="caption">#CAEDB9</color>
<color name="overlay">#CC333333</color>
<color name="codeTagText">#E8B692</color>
<color name="codeTagBackground">#464B50</color>
</resources>

View file

@ -58,4 +58,7 @@
<color name="caption">#CAEDB9</color>
<color name="overlay">#CC333333</color>
<color name="codeTagText">#2E3439</color>
<color name="codeTagBackground">#D0E8FF</color>
</resources>