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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jason Penilla <11360596+jpenilla@users.noreply.github.com>
Date: Thu, 1 Apr 2021 00:34:41 -0700
Subject: [PATCH] Allow for Component suggestion tooltips in
AsyncTabCompleteEvent
diff --git a/src/main/java/com/destroystokyo/paper/event/server/AsyncTabCompleteEvent.java b/src/main/java/com/destroystokyo/paper/event/server/AsyncTabCompleteEvent.java
index 619ed37169c126a8c75d02699a04728bac49d10d..4cd97cb102e1ec53b3fe1a451b65b4b640fde099 100644
--- a/src/main/java/com/destroystokyo/paper/event/server/AsyncTabCompleteEvent.java
+++ b/src/main/java/com/destroystokyo/paper/event/server/AsyncTabCompleteEvent.java
@@ -24,6 +24,11 @@
package com.destroystokyo.paper.event.server;
import com.google.common.collect.ImmutableList;
+import io.papermc.paper.util.TransformingRandomAccessList;
+import net.kyori.adventure.text.Component;
+import net.kyori.examination.Examinable;
+import net.kyori.examination.ExaminableProperty;
+import net.kyori.examination.string.StringExaminer;
import org.apache.commons.lang.Validate;
import org.bukkit.Location;
import org.bukkit.command.Command;
@@ -34,6 +39,7 @@ import org.bukkit.event.HandlerList;
import java.util.ArrayList;
import java.util.List;
+import java.util.stream.Stream;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
@@ -48,15 +54,29 @@ public class AsyncTabCompleteEvent extends Event implements Cancellable {
private final boolean isCommand;
@Nullable
private final Location loc;
- @NotNull private List<String> completions;
+ private final List<Completion> completions = new ArrayList<>();
+ private final List<String> stringCompletions = new TransformingRandomAccessList<>(
+ this.completions,
+ Completion::suggestion,
+ Completion::completion
+ );
private boolean cancelled;
private boolean handled = false;
private boolean fireSyncHandler = true;
+ public AsyncTabCompleteEvent(@NotNull CommandSender sender, @NotNull String buffer, boolean isCommand, @Nullable Location loc) {
+ super(true);
+ this.sender = sender;
+ this.buffer = buffer;
+ this.isCommand = isCommand;
+ this.loc = loc;
+ }
+
+ @Deprecated
public AsyncTabCompleteEvent(@NotNull CommandSender sender, @NotNull List<String> completions, @NotNull String buffer, boolean isCommand, @Nullable Location loc) {
super(true);
this.sender = sender;
- this.completions = completions;
+ this.completions.addAll(fromStrings(completions));
this.buffer = buffer;
this.isCommand = isCommand;
this.loc = loc;
@@ -84,7 +104,7 @@ public class AsyncTabCompleteEvent extends Event implements Cancellable {
*/
@NotNull
public List<String> getCompletions() {
- return completions;
+ return this.stringCompletions;
}
/**
@@ -98,8 +118,42 @@ public class AsyncTabCompleteEvent extends Event implements Cancellable {
* @param completions the new completions
*/
public void setCompletions(@NotNull List<String> completions) {
+ if (completions == this.stringCompletions) {
+ return;
+ }
Validate.notNull(completions);
- this.completions = new ArrayList<>(completions);
+ this.completions.clear();
+ this.completions.addAll(fromStrings(completions));
+ }
+
+ /**
+ * The list of {@link Completion completions} which will be offered to the sender, in order.
+ * This list is mutable and reflects what will be offered.
+ * <p>
+ * If this collection is not empty after the event is fired, then
+ * the standard process of calling {@link Command#tabComplete(CommandSender, String, String[])}
+ * or current player names will not be called.
+ *
+ * @return a list of offered completions
+ */
+ public @NotNull List<Completion> completions() {
+ return this.completions;
+ }
+
+ /**
+ * Set the {@link Completion completions} offered, overriding any already set.
+ * If this collection is not empty after the event is fired, then
+ * the standard process of calling {@link Command#tabComplete(CommandSender, String, String[])}
+ * or current player names will not be called.
+ * <p>
+ * The passed collection will be cloned to a new List. You must call {{@link #completions()}} to mutate from here
+ *
+ * @param newCompletions the new completions
+ */
+ public void completions(final @NotNull List<Completion> newCompletions) {
+ Validate.notNull(newCompletions, "new completions");
+ this.completions.clear();
+ this.completions.addAll(newCompletions);
}
/**
@@ -174,4 +228,102 @@ public class AsyncTabCompleteEvent extends Event implements Cancellable {
public static HandlerList getHandlerList() {
return handlers;
}
+
+ private static @NotNull List<Completion> fromStrings(final @NotNull List<String> strings) {
+ final List<Completion> list = new ArrayList<>();
+ for (final String it : strings) {
+ list.add(new CompletionImpl(it, null));
+ }
+ return list;
+ }
+
+ /**
+ * A rich tab completion, consisting of a string suggestion, and a nullable {@link Component} tooltip.
+ */
+ public interface Completion extends Examinable {
+ /**
+ * Get the suggestion string for this {@link Completion}.
+ *
+ * @return suggestion string
+ */
+ @NotNull String suggestion();
+
+ /**
+ * Get the suggestion tooltip for this {@link Completion}.
+ *
+ * @return tooltip component
+ */
+ @Nullable Component tooltip();
+
+ @Override
+ default @NotNull Stream<? extends ExaminableProperty> examinableProperties() {
+ return Stream.of(ExaminableProperty.of("suggestion", this.suggestion()), ExaminableProperty.of("tooltip", this.tooltip()));
+ }
+
+ /**
+ * Create a new {@link Completion} from a suggestion string.
+ *
+ * @param suggestion suggestion string
+ * @return new completion instance
+ */
+ static @NotNull Completion completion(final @NotNull String suggestion) {
+ return new CompletionImpl(suggestion, null);
+ }
+
+ /**
+ * Create a new {@link Completion} from a suggestion string and a tooltip {@link Component}.
+ *
+ * <p>If the provided component is null, the suggestion will not have a tooltip.</p>
+ *
+ * @param suggestion suggestion string
+ * @param tooltip tooltip component, or null
+ * @return new completion instance
+ */
+ static @NotNull Completion completion(final @NotNull String suggestion, final @Nullable Component tooltip) {
+ return new CompletionImpl(suggestion, tooltip);
+ }
+ }
+
+ static final class CompletionImpl implements Completion {
+ private final String suggestion;
+ private final Component tooltip;
+
+ CompletionImpl(final @NotNull String suggestion, final @Nullable Component tooltip) {
+ this.suggestion = suggestion;
+ this.tooltip = tooltip;
+ }
+
+ @Override
+ public @NotNull String suggestion() {
+ return this.suggestion;
+ }
+
+ @Override
+ public @Nullable Component tooltip() {
+ return this.tooltip;
+ }
+
+ @Override
+ public boolean equals(final @Nullable Object o) {
+ if (this == o) {
+ return true;
+ }
+ if (o == null || this.getClass() != o.getClass()) {
+ return false;
+ }
+ final CompletionImpl that = (CompletionImpl) o;
+ return this.suggestion.equals(that.suggestion)
+ && java.util.Objects.equals(this.tooltip, that.tooltip);
+ }
+
+ @Override
+ public int hashCode() {
+ return java.util.Objects.hash(this.suggestion, this.tooltip);
+ }
+
+ @Override
+ public @NotNull String toString() {
+ return StringExaminer.simpleEscaping().examine(this);
+ }
+ }
}
diff --git a/src/main/java/io/papermc/paper/util/TransformingRandomAccessList.java b/src/main/java/io/papermc/paper/util/TransformingRandomAccessList.java
new file mode 100644
index 0000000000000000000000000000000000000000..6f560a51277ccbd46a9142cfa057d276118c1c7b
--- /dev/null
+++ b/src/main/java/io/papermc/paper/util/TransformingRandomAccessList.java
@@ -0,0 +1,169 @@
+package io.papermc.paper.util;
+
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.AbstractList;
+import java.util.Iterator;
+import java.util.List;
+import java.util.ListIterator;
+import java.util.RandomAccess;
+import java.util.function.Function;
+import java.util.function.Predicate;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Modified version of the Guava class with the same name to support add operations.
+ *
+ * @param <F> backing list element type
+ * @param <T> transformed list element type
+ */
+public final class TransformingRandomAccessList<F, T> extends AbstractList<T> implements RandomAccess {
+ final List<F> fromList;
+ final Function<? super F, ? extends T> toFunction;
+ final Function<? super T, ? extends F> fromFunction;
+
+ /**
+ * Create a new {@link TransformingRandomAccessList}.
+ *
+ * @param fromList backing list
+ * @param toFunction function mapping backing list element type to transformed list element type
+ * @param fromFunction function mapping transformed list element type to backing list element type
+ */
+ public TransformingRandomAccessList(
+ final @NonNull List<F> fromList,
+ final @NonNull Function<? super F, ? extends T> toFunction,
+ final @NonNull Function<? super T, ? extends F> fromFunction
+ ) {
+ this.fromList = checkNotNull(fromList);
+ this.toFunction = checkNotNull(toFunction);
+ this.fromFunction = checkNotNull(fromFunction);
+ }
+
+ @Override
+ public void clear() {
+ this.fromList.clear();
+ }
+
+ @Override
+ public T get(int index) {
+ return this.toFunction.apply(this.fromList.get(index));
+ }
+
+ @Override
+ public @NotNull Iterator<T> iterator() {
+ return this.listIterator();
+ }
+
+ @Override
+ public @NotNull ListIterator<T> listIterator(int index) {
+ return new TransformedListIterator<F, T>(this.fromList.listIterator(index)) {
+ @Override
+ T transform(F from) {
+ return TransformingRandomAccessList.this.toFunction.apply(from);
+ }
+
+ @Override
+ F transformBack(T from) {
+ return TransformingRandomAccessList.this.fromFunction.apply(from);
+ }
+ };
+ }
+
+ @Override
+ public boolean isEmpty() {
+ return this.fromList.isEmpty();
+ }
+
+ @Override
+ public boolean removeIf(Predicate<? super T> filter) {
+ checkNotNull(filter);
+ return this.fromList.removeIf(element -> filter.test(this.toFunction.apply(element)));
+ }
+
+ @Override
+ public T remove(int index) {
+ return this.toFunction.apply(this.fromList.remove(index));
+ }
+
+ @Override
+ public int size() {
+ return this.fromList.size();
+ }
+
+ @Override
+ public T set(int i, T t) {
+ return this.toFunction.apply(this.fromList.set(i, this.fromFunction.apply(t)));
+ }
+
+ @Override
+ public void add(int i, T t) {
+ this.fromList.add(i, this.fromFunction.apply(t));
+ }
+
+ static abstract class TransformedListIterator<F, T> implements ListIterator<T>, Iterator<T> {
+ final Iterator<F> backingIterator;
+
+ TransformedListIterator(ListIterator<F> backingIterator) {
+ this.backingIterator = checkNotNull((Iterator<F>) backingIterator);
+ }
+
+ private ListIterator<F> backingIterator() {
+ return cast(this.backingIterator);
+ }
+
+ static <A> ListIterator<A> cast(Iterator<A> iterator) {
+ return (ListIterator<A>) iterator;
+ }
+
+ @Override
+ public final boolean hasPrevious() {
+ return this.backingIterator().hasPrevious();
+ }
+
+ @Override
+ public final T previous() {
+ return this.transform(this.backingIterator().previous());
+ }
+
+ @Override
+ public final int nextIndex() {
+ return this.backingIterator().nextIndex();
+ }
+
+ @Override
+ public final int previousIndex() {
+ return this.backingIterator().previousIndex();
+ }
+
+ @Override
+ public void set(T element) {
+ this.backingIterator().set(this.transformBack(element));
+ }
+
+ @Override
+ public void add(T element) {
+ this.backingIterator().add(this.transformBack(element));
+ }
+
+ abstract T transform(F from);
+
+ abstract F transformBack(T to);
+
+ @Override
+ public final boolean hasNext() {
+ return this.backingIterator.hasNext();
+ }
+
+ @Override
+ public final T next() {
+ return this.transform(this.backingIterator.next());
+ }
+
+ @Override
+ public final void remove() {
+ this.backingIterator.remove();
+ }
+ }
+}
diff --git a/src/test/java/org/bukkit/AnnotationTest.java b/src/test/java/org/bukkit/AnnotationTest.java
index 7f57b95727d0336f1f1548055574e0c129fe9643..57cf9fab2501da6f1abd12e14697630ca82b0a6d 100644
--- a/src/test/java/org/bukkit/AnnotationTest.java
+++ b/src/test/java/org/bukkit/AnnotationTest.java
@@ -48,6 +48,8 @@ public class AnnotationTest {
// Generic functional interface
"org/bukkit/util/Consumer",
// Paper start
+ "io/papermc/paper/util/TransformingRandomAccessList",
+ "io/papermc/paper/util/TransformingRandomAccessList$TransformedListIterator",
// Timings history is broken in terms of nullability due to guavas Function defining that the param is NonNull
"co/aikar/timings/TimingHistory$2",
"co/aikar/timings/TimingHistory$2$1",
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