Allow only once listener to be set (691d8c9e) · Commits · e / os / Notes

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

+4 −3

Original line number	Diff line number	Diff line
		@@ -40,10 +40,11 @@ public interface MarkdownEditor {
		LiveData<CharSequence> getMarkdownString();

		/**
		* Similar to {@link #getMarkdownString()} but without {@link LiveData}.
		* @param onChange a {@link Consumer} which will receive the changed markdown string.
		* Similar to {@link #getMarkdownString()} but without {@link LiveData}. Will remove previously set {@link Consumer}s.
		*
		* @param listener a {@link Consumer} which will receive the changed markdown string.
		*/
		void registerMarkdownStringChangedListener(@NonNull Consumer<CharSequence> onChange);
		void setMarkdownStringChangedListener(@Nullable Consumer<CharSequence> listener);

		void setEnabled(boolean enabled);

markdown/src/main/java/it/niedermann/android/markdown/markwon/MarkwonMarkdownEditor.java

+5 −4

Original line number	Diff line number	Diff line
		@@ -43,7 +43,8 @@ public class MarkwonMarkdownEditor extends AppCompatEditText implements Markdown

		private static final String TAG = MarkwonMarkdownEditor.class.getSimpleName();

		private final Collection<Consumer<CharSequence>> markdownStringListeners = new LinkedList<>();
		@Nullable
		private Consumer<CharSequence> listener;
		private final MutableLiveData<CharSequence> unrenderedText$ = new MutableLiveData<>();
		private final CombinedTextWatcher combinedWatcher;

		@@ -122,7 +123,7 @@ public class MarkwonMarkdownEditor extends AppCompatEditText implements Markdown
		*/
		public void setMarkdownStringModel(CharSequence text) {
		unrenderedText$.setValue(text == null ? "" : text.toString());
		for (Consumer<CharSequence> listener : markdownStringListeners) {
		if (listener != null) {
		listener.accept(text);
		}
		}
		@@ -133,7 +134,7 @@ public class MarkwonMarkdownEditor extends AppCompatEditText implements Markdown
		}

		@Override
		public void registerMarkdownStringChangedListener(@NonNull Consumer<CharSequence> onChange) {
		this.markdownStringListeners.add(onChange);
		public void setMarkdownStringChangedListener(@Nullable Consumer<CharSequence> listener) {
		this.listener = listener;
		}
		}

markdown/src/main/java/it/niedermann/android/markdown/markwon/MarkwonMarkdownViewer.java

+5 −6

Original line number	Diff line number	Diff line
		@@ -12,8 +12,6 @@ import androidx.appcompat.widget.AppCompatTextView;
		import androidx.lifecycle.LiveData;
		import androidx.lifecycle.MutableLiveData;

		import java.util.Collection;
		import java.util.LinkedList;
		import java.util.Map;
		import java.util.concurrent.ExecutorService;
		import java.util.concurrent.Executors;
		@@ -55,7 +53,8 @@ public class MarkwonMarkdownViewer extends AppCompatTextView implements Markdown
		private static final Prism4j prism4j = new Prism4j(new MarkwonGrammarLocator());

		private Markwon markwon;
		private final Collection<Consumer<CharSequence>> markdownStringListeners = new LinkedList<>();
		@Nullable
		private Consumer<CharSequence> listener = null;
		private final MutableLiveData<CharSequence> unrenderedText$ = new MutableLiveData<>();

		private final ExecutorService renderService;
		@@ -130,7 +129,7 @@ public class MarkwonMarkdownViewer extends AppCompatTextView implements Markdown
		public void setMarkdownString(CharSequence text) {
		final CharSequence previousText = this.unrenderedText$.getValue();
		this.unrenderedText$.setValue(text);
		for (Consumer<CharSequence> listener : markdownStringListeners) {
		if (listener != null) {
		listener.accept(text);
		}
		if (TextUtils.isEmpty(text)) {
		@@ -174,7 +173,7 @@ public class MarkwonMarkdownViewer extends AppCompatTextView implements Markdown
		}

		@Override
		public void registerMarkdownStringChangedListener(@NonNull Consumer<CharSequence> onChange) {
		this.markdownStringListeners.add(onChange);
		public void setMarkdownStringChangedListener(@Nullable Consumer<CharSequence> listener) {
		this.listener = listener;
		}
		}