WiP: #559 Use emojis for checkboxes in widgets if possible (deb86d27) · Commits · e / os / Notes

markdown/src/main/java/it/niedermann/android/markdown/MarkdownUtil.java

+38 −24

Original line number	Diff line number	Diff line
		@@ -21,6 +21,10 @@ import com.yydcdut.markdown.MarkdownProcessor;
		import com.yydcdut.markdown.syntax.text.TextFactory;
		import com.yydcdut.rxmarkdown.RxMarkdown;

		import java.util.concurrent.atomic.AtomicInteger;
		import java.util.function.BiConsumer;
		import java.util.function.Consumer;
		import java.util.function.Function;
		import java.util.regex.Matcher;
		import java.util.regex.Pattern;

		@@ -72,7 +76,39 @@ public class MarkdownUtil {
		}

		private static CharSequence replaceCheckboxesWithEmojis(String content) {
		final String[] lines = TextUtils.split(content, "\n");
		return runForEachCheckbox(content, (line) -> {
		for (EListType listType : EListType.values()) {
		if (checkboxCheckedEmoji != null) {
		line = line.replace(listType.checkboxChecked, checkboxCheckedEmoji);
		}
		if (checkboxUncheckedEmoji != null) {
		line = line.replace(listType.checkboxUnchecked, checkboxUncheckedEmoji);
		}
		}
		return line;
		});
		}

		@Nullable
		private static String getCheckboxEmoji(boolean checked) {
		final String[] checkedEmojis = new String[]{"✅", "☑️", "✔️"};
		final String[] uncheckedEmojis = new String[]{"❌", "\uD83D\uDD32️", "☐️"};
		final Paint paint = new Paint();
		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
		for (String emoji : checked ? checkedEmojis : uncheckedEmojis) {
		if (paint.hasGlyph(emoji)) {
		return emoji;
		}
		}
		}
		return null;
		}

		/**
		* Performs the given {@param map} function for each line which contains a checkbox
		*/
		private static CharSequence runForEachCheckbox(String markdownString, Function<String, String> map) {
		final String[] lines = markdownString.split("\n");
		boolean isInFencedCodeBlock = false;
		int fencedCodeBlockSigns = 0;
		for (int i = 0; i < lines.length; i++) {
		@@ -94,35 +130,13 @@ public class MarkdownUtil {
		}
		if (!isInFencedCodeBlock) {
		if (lineStartsWithCheckbox(lines[i]) && lines[i].trim().length() > EListType.DASH.checkboxChecked.length()) {
		for(EListType listType: EListType.values()) {
		if (checkboxCheckedEmoji != null) {
		lines[i] = lines[i].replace(listType.checkboxChecked, checkboxCheckedEmoji);
		}
		if (checkboxUncheckedEmoji != null) {
		lines[i] = lines[i].replace(listType.checkboxUnchecked, checkboxUncheckedEmoji);
		}
		}
		lines[i] = map.apply(lines[i]);
		}
		}
		}
		return TextUtils.join("\n", lines);
		}

		@Nullable
		private static String getCheckboxEmoji(boolean checked) {
		final String[] checkedEmojis = new String[]{"✅", "☑️", "✔️"};
		final String[] uncheckedEmojis = new String[]{"❌", "\uD83D\uDD32️", "☐️"};
		final Paint paint = new Paint();
		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
		for (String emoji : checked ? checkedEmojis: uncheckedEmojis) {
		if (paint.hasGlyph(emoji)) {
		return emoji;
		}
		}
		}
		return null;
		}

		/**
		* This is a compatibility-method that provides workarounds for several bugs in RxMarkdown
		* <p>