Add filtering rule screen if there isn't one

2 files changed, 51 insertions, 7 deletions

diff --git a/runtime/src/main/java/me/shedaniel/rei/impl/client/config/entries/FilteringRulesScreen.java b/runtime/src/main/java/me/shedaniel/rei/impl/client/config/entries/FilteringRulesScreen.java
index 300ba851a..9a7eeaedb 100644
--- a/runtime/src/main/java/me/shedaniel/rei/impl/client/config/entries/FilteringRulesScreen.java
+++ b/runtime/src/main/java/me/shedaniel/rei/impl/client/config/entries/FilteringRulesScreen.java
@@ -23,12 +23,22 @@
 
 package me.shedaniel.rei.impl.client.config.entries;
 
+import com.google.common.base.Suppliers;
+import com.mojang.blaze3d.systems.RenderSystem;
 import com.mojang.blaze3d.vertex.PoseStack;
 import me.shedaniel.clothconfig2.gui.widget.DynamicElementListWidget;
+import me.shedaniel.math.Rectangle;
 import me.shedaniel.rei.api.client.entry.filtering.FilteringRule;
 import me.shedaniel.rei.api.client.entry.filtering.FilteringRuleType;
+import me.shedaniel.rei.api.client.gui.widgets.Widgets;
+import me.shedaniel.rei.api.client.registry.entry.EntryRegistry;
+import me.shedaniel.rei.api.common.util.CollectionUtils;
+import me.shedaniel.rei.impl.client.entry.filtering.FilteringContextImpl;
+import me.shedaniel.rei.impl.client.entry.filtering.FilteringResultImpl;
 import me.shedaniel.rei.impl.client.entry.filtering.rules.ManualFilteringRule;
+import me.shedaniel.rei.impl.client.entry.filtering.rules.SearchFilteringRuleType;
 import me.shedaniel.rei.impl.client.gui.InternalTextures;
+import me.shedaniel.rei.impl.client.gui.widget.EntryWidget;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.components.Button;
 import net.minecraft.client.gui.components.events.GuiEventListener;
@@ -42,9 +52,8 @@ import net.minecraft.network.chat.TranslatableComponent;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.sounds.SoundEvents;
 
-import java.util.Arrays;
-import java.util.List;
-import java.util.Objects;
+import java.util.*;
+import java.util.function.Consumer;
 import java.util.function.Function;
 
 public class FilteringRulesScreen extends Screen {
@@ -183,7 +192,7 @@ public class FilteringRulesScreen extends Screen {
         
         public DefaultRuleEntry(FilteringRule<?> rule, FilteringEntry entry, Function<Screen, Screen> screenFunction) {
             super(rule);
-            this.screenFunction = (screenFunction == null ? ((FilteringRuleType<FilteringRule<?>>) rule.getType()).createEntryScreen(rule) : screenFunction);
+            this.screenFunction = Objects.requireNonNullElseGet(screenFunction == null ? ((FilteringRuleType<FilteringRule<?>>) rule.getType()).createEntryScreen(rule) : screenFunction, () -> placeholderScreen(rule));
             configureButton = new Button(0, 0, 20, 20, Component.nullToEmpty(null), button -> {
                 entry.edited = true;
                 Minecraft.getInstance().setScreen(this.screenFunction.apply(Minecraft.getInstance().screen));
@@ -244,4 +253,38 @@ public class FilteringRulesScreen extends Screen {
             return Arrays.asList(configureButton, deleteButton);
         }
     }
+    
+    private static <Cache> Function<Screen, Screen> placeholderScreen(FilteringRule<Cache> r) {
+        class PlaceholderScreen extends FilteringRuleOptionsScreen<FilteringRule<Cache>> {
+            public PlaceholderScreen(Screen parent) {
+                super(r, parent);
+            }
+            
+            @Override
+            public void addEntries(Consumer<RuleEntry> entryConsumer) {
+                addEmpty(entryConsumer, 10);
+                Function<Boolean, Component> function = bool -> {
+                    return new TranslatableComponent("rule.roughlyenoughitems.filtering.search.show." + bool);
+                };
+                FilteringContextImpl context = new FilteringContextImpl(EntryRegistry.getInstance().getEntryStacks().toList());
+                rule.processFilteredStacks(context, () -> new FilteringResultImpl(new ArrayList<>(), new ArrayList<>()),
+                        rule.prepareCache(false), false);
+                
+                entryConsumer.accept(new SubRulesEntry(rule, () -> function.apply(true),
+                        Collections.singletonList(new SearchFilteringRuleType.EntryStacksRuleEntry(rule,
+                                Suppliers.ofInstance(CollectionUtils.map(context.getShownStacks(),
+                                        stack -> (EntryWidget) Widgets.createSlot(new Rectangle(0, 0, 18, 18)).disableBackground().entry(stack.normalize())))))));
+                addEmpty(entryConsumer, 10);
+                entryConsumer.accept(new SubRulesEntry(rule, () -> function.apply(false),
+                        Collections.singletonList(new SearchFilteringRuleType.EntryStacksRuleEntry(rule,
+                                Suppliers.ofInstance(CollectionUtils.map(context.getHiddenStacks(),
+                                        stack -> (EntryWidget) Widgets.createSlot(new Rectangle(0, 0, 18, 18)).disableBackground().entry(stack.normalize())))))));
+            }
+            
+            @Override
+            public void save() {
+            }
+        }
+        return PlaceholderScreen::new;
+    }
 }
diff --git a/runtime/src/main/java/me/shedaniel/rei/impl/client/entry/filtering/rules/SearchFilteringRuleType.java b/runtime/src/main/java/me/shedaniel/rei/impl/client/entry/filtering/rules/SearchFilteringRuleType.java
index a230ac4b7..8982627f8 100644
--- a/runtime/src/main/java/me/shedaniel/rei/impl/client/entry/filtering/rules/SearchFilteringRuleType.java
+++ b/runtime/src/main/java/me/shedaniel/rei/impl/client/entry/filtering/rules/SearchFilteringRuleType.java
@@ -26,6 +26,7 @@ package me.shedaniel.rei.impl.client.entry.filtering.rules;
 import com.google.common.collect.Lists;
 import com.mojang.blaze3d.vertex.PoseStack;
 import me.shedaniel.math.Rectangle;
+import me.shedaniel.rei.api.client.entry.filtering.FilteringRule;
 import me.shedaniel.rei.api.client.entry.filtering.FilteringRuleType;
 import me.shedaniel.rei.api.client.registry.entry.EntryRegistry;
 import me.shedaniel.rei.api.client.search.SearchFilter;
@@ -119,7 +120,7 @@ public enum SearchFilteringRuleType implements FilteringRuleType<SearchFiltering
                 entryConsumer.accept(show = new BooleanRuleEntry(width - 36, show == null ? rule.show : show.getBoolean(), rule, function));
                 addEmpty(entryConsumer, 10);
                 entryConsumer.accept(new SubRulesEntry(rule, () -> function.apply(show == null ? rule.show : show.getBoolean()),
-                        Collections.singletonList(new EntryStacksRuleEntry(rule, () -> entryStacks, entry, show))));
+                        Collections.singletonList(new EntryStacksRuleEntry(rule, () -> entryStacks))));
             }
             
             @Override
@@ -136,10 +137,10 @@ public enum SearchFilteringRuleType implements FilteringRuleType<SearchFiltering
     }
     
     public static class EntryStacksRuleEntry extends FilteringRuleOptionsScreen.RuleEntry {
-        private final Supplier<List<EntryWidget>> entryStacks;
+        private final Supplier<Iterable<EntryWidget>> entryStacks;
         private int totalHeight;
         
-        public EntryStacksRuleEntry(SearchFilteringRule rule, Supplier<List<EntryWidget>> entryStacks, FilteringRuleOptionsScreen.TextFieldRuleEntry entry, FilteringRuleOptionsScreen.BooleanRuleEntry show) {
+        public EntryStacksRuleEntry(FilteringRule<?> rule, Supplier<Iterable<EntryWidget>> entryStacks) {
             super(rule);
             this.entryStacks = entryStacks;
         }