chore: added KeyReferenceScreen (pulled from FTB Quests)

common/src/main/java/dev/ftb/mods/ftblibrary/ui/misc/KeyReferenceScreen.java

@@ -0,0 +1,191 @@
+package dev.ftb.mods.ftblibrary.ui.misc;
+
+import dev.ftb.mods.ftblibrary.icon.Color4I;
+import dev.ftb.mods.ftblibrary.icon.Icons;
+import dev.ftb.mods.ftblibrary.ui.*;
+import dev.ftb.mods.ftblibrary.ui.input.MouseButton;
+import net.minecraft.ChatFormatting;
+import net.minecraft.client.gui.GuiGraphics;
+import net.minecraft.client.resources.language.I18n;
+import net.minecraft.network.chat.Component;
+import net.minecraft.util.FormattedCharSequence;
+import org.apache.commons.lang3.tuple.Pair;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class KeyReferenceScreen extends BaseScreen {
+    private final Panel textPanel;
+    private final PanelScrollBar scrollBar;
+    private final SimpleTextButton closeButton;
+    private final String[] translationKeys;
+
+    private static final int SCROLLBAR_WIDTH = 16;
+    private static final int GUTTER_SIZE = 2;
+
+    public KeyReferenceScreen(String... translationKeys) {
+        this.translationKeys = translationKeys;
+
+        textPanel = new TextPanel(this);
+
+        closeButton = new SimpleTextButton(this, Component.translatable("gui.close"), Icons.CLOSE) {
+            @Override
+            public void onClicked(MouseButton button) {
+                onBack();
+            }
+        };
+        scrollBar = new PanelScrollBar(this, textPanel);
+    }
+
+    @Override
+    public boolean onInit() {
+        return setSizeProportional(0.75f, 0.8f);
+    }
+
+    @Override
+    public Theme getTheme() {
+        return NordTheme.THEME;
+    }
+
+    @Override
+    public void addWidgets() {
+        add(textPanel);
+        add(scrollBar);
+        add(closeButton);
+    }
+
+    @Override
+    public void alignWidgets() {
+        int textPanelWidth = getGui().width - GUTTER_SIZE * 3 - SCROLLBAR_WIDTH;
+
+        textPanel.setPosAndSize(GUTTER_SIZE, GUTTER_SIZE, textPanelWidth, getGui().height - GUTTER_SIZE * 2);
+        textPanel.alignWidgets();
+
+        scrollBar.setPosAndSize(getGui().width - GUTTER_SIZE - SCROLLBAR_WIDTH, textPanel.getPosY(), SCROLLBAR_WIDTH, textPanel.getHeight());
+
+        closeButton.setPosAndSize(width + 2, 0, 20, 20);
+    }
+
+    @Override
+    public Component getTitle() {
+        return Component.translatable("ftblibrary.gui.key_reference");
+    }
+
+    @Override
+    public void drawBackground(GuiGraphics graphics, Theme theme, int x, int y, int w, int h) {
+        theme.drawGui(graphics, x, y, w, h, WidgetType.NORMAL);
+
+        int w1 = theme.getStringWidth(getTitle());
+        theme.drawString(graphics, getTitle(), x + (w - w1) / 2, y - theme.getFontHeight() - 1, Color4I.rgb(0x00FFFF), Theme.SHADOW);
+    }
+
+    protected void drawTextBackground(GuiGraphics graphics, Theme theme, int x, int y, int w, int h) {
+        theme.drawPanelBackground(graphics, x, y, w, h);
+    }
+
+    private static List<Pair<Component, Component>> buildText(String... translationKeys) {
+        List<Pair<Component,Component>> res = new ArrayList<>();
+        for (String translationKey: translationKeys) {
+            for (String line : I18n.get(translationKey).split("\\n")) {
+                String[] parts = line.split(";", 2);
+                switch (parts.length) {
+                    case 0 -> res.add(Pair.of(Component.empty(), Component.empty()));
+                    case 1 -> res.add(Pair.of(Component.literal(parts[0]).withStyle(ChatFormatting.YELLOW, ChatFormatting.UNDERLINE), Component.empty()));
+                    default -> res.add(Pair.of(Component.literal(parts[0]), Component.literal(parts[1]).withStyle(ChatFormatting.GRAY)));
+                }
+            }
+            res.add(Pair.of(Component.empty(), Component.empty()));
+        }
+        return res;
+    }
+
+    private class TextPanel extends Panel {
+        private final TwoColumnList textWidget;
+
+        public TextPanel(Panel panel) {
+            super(panel);
+
+            textWidget = new TwoColumnList(this, buildText(translationKeys));
+        }
+
+        @Override
+        public void addWidgets() {
+            add(textWidget);
+        }
+
+        @Override
+        public void alignWidgets() {
+            align(WidgetLayout.VERTICAL);
+
+            textWidget.setPos(4, 2);
+            textWidget.setWidth(width);
+        }
+
+        @Override
+        public void drawBackground(GuiGraphics graphics, Theme theme, int x, int y, int w, int h) {
+            drawTextBackground(graphics, theme, x, y, w, h);
+        }
+    }
+
+    private static class TwoColumnList extends Widget {
+        private final int widestL;
+        private final List<Pair<Component, Component>> data;
+        private final List<Pair<Component, FormattedCharSequence>> reflowed = new ArrayList<>();
+
+        public TwoColumnList(Panel p, List<Pair<Component, Component>> data) {
+            super(p);
+
+            this.data = data;
+            this.widestL = data.stream()
+                    .map(e -> getGui().getTheme().getStringWidth(e.getLeft()))
+                    .max(Integer::compareTo)
+                    .orElse(0);
+        }
+
+        @Override
+        public void setWidth(int v) {
+            super.setWidth(v);
+
+            reflowText();
+        }
+
+        private void reflowText() {
+            Theme theme = getGui().getTheme();
+            int h = 0;
+            int maxWidth = getParent().getWidth() - GUTTER_SIZE * 2;
+            reflowed.clear();
+            for (var entry : data) {
+                if (entry.getRight().getString().isEmpty()) {
+                    // header line
+                    reflowed.add(Pair.of(entry.getLeft(), null));
+                    h += theme.getFontHeight() + 3;
+                } else {
+                    var l = theme.getFont().split(entry.getRight(), maxWidth - 10 - widestL);
+                    reflowed.add(Pair.of(entry.getLeft(), l.get(0)));
+                    for (int i = 1; i < l.size(); i++) {
+                        reflowed.add(Pair.of(Component.empty(), l.get(i)));
+                    }
+                    h += (theme.getFontHeight() + 1) * l.size();
+                }
+            }
+
+            height = h;
+        }
+
+        @Override
+        public void draw(GuiGraphics graphics, Theme theme, int x, int y, int w, int h) {
+            int yPos = y;
+
+            for (var entry : reflowed) {
+                boolean header = entry.getRight() == null;
+                int leftWidth = theme.getStringWidth(entry.getLeft());
+                int xOff = header ? (width - leftWidth) / 2 : widestL - leftWidth - 2;
+                theme.drawString(graphics, entry.getLeft(), x + xOff, yPos);
+                if (!header) {
+                    theme.drawString(graphics, entry.getRight(), x + widestL + 10, yPos);
+                }
+                yPos += theme.getFontHeight() + (header ? 3 : 1);
+            }
+        }
+    }
+}

common/src/main/resources/assets/ftblibrary/lang/en_us.json

@@ -72,5 +72,6 @@
 	"ftblibrary.gui.nbt_copied": "NBT copied to clipboard",
 	"ftblibrary.gui.edit_tag_name": "Edit Tag Name",
 	"ftblibrary.gui.edit_tag_value": "Edit Tag Value",
-	"ftblibrary.gui.no_selection": "Nothing Selected"
+	"ftblibrary.gui.no_selection": "Nothing Selected",
+	"ftblibrary.gui.key_reference": "Key Reference"
 }