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package dev.isxander.yacl3.gui.controllers.dropdown;
import com.mojang.blaze3d.platform.InputConstants;
import dev.isxander.yacl3.api.utils.Dimension;
import dev.isxander.yacl3.gui.YACLScreen;
import dev.isxander.yacl3.gui.controllers.string.StringControllerElement;
import dev.isxander.yacl3.gui.utils.GuiUtils;
import net.minecraft.ChatFormatting;
import net.minecraft.client.gui.GuiGraphics;
import net.minecraft.client.gui.screens.Screen;
import net.minecraft.network.chat.Component;
import java.util.List;
import java.util.function.Consumer;
public abstract class AbstractDropdownControllerElement<T, U> extends StringControllerElement {
private final AbstractDropdownController<T> dropdownController;
protected DropdownWidget<T> dropdownWidget;
protected boolean dropdownVisible = false;
// Stores a cached list of matching values
protected List<U> matchingValues = null;
public AbstractDropdownControllerElement(AbstractDropdownController<T> control, YACLScreen screen, Dimension<Integer> dim) {
super(control, screen, dim, false);
this.dropdownController = control;
this.dropdownController.option.addListener((opt, val) -> this.matchingValues = this.computeMatchingValues());
}
public void ensureValidValue() {
if (!dropdownController.isValueValid(inputField)) {
if (dropdownWidget == null) {
inputField = dropdownController.getValidValue(inputField);
} else {
inputField = dropdownController.getValidValue(inputField, dropdownWidget.selectedIndex());
dropdownWidget.resetSelectedIndex();
}
caretPos = getDefaultCaretPos();
this.matchingValues = this.computeMatchingValues();
}
}
@Override
public boolean mouseClicked(double mouseX, double mouseY, int button) {
if (super.mouseClicked(mouseX, mouseY, button)) {
if (!dropdownVisible) {
createDropdownWidget();
doSelectAll();
}
return true;
}
return false;
}
@Override
public void setFocused(boolean focused) {
if (focused) {
doSelectAll();
super.setFocused(true);
} else unfocus();
}
@Override
public void unfocus() {
if (dropdownVisible) {
removeDropdownWidget();
}
super.unfocus();
}
@Override
public boolean keyPressed(int keyCode, int scanCode, int modifiers) {
if (!inputFieldFocused)
return false;
if (dropdownVisible) {
switch (keyCode) {
case InputConstants.KEY_DOWN -> {
dropdownWidget.selectNextEntry();
return true;
}
case InputConstants.KEY_UP -> {
dropdownWidget.selectPreviousEntry();
return true;
}
case InputConstants.KEY_TAB -> {
if (Screen.hasShiftDown()) {
dropdownWidget.selectPreviousEntry();
} else {
dropdownWidget.selectNextEntry();
}
return true;
}
}
} else {
if (keyCode == InputConstants.KEY_RETURN || keyCode == InputConstants.KEY_NUMPADENTER) {
createDropdownWidget();
return true;
}
}
return super.keyPressed(keyCode, scanCode, modifiers);
}
@Override
public boolean charTyped(char chr, int modifiers) {
if (!inputFieldFocused) {
return false;
}
if (!dropdownVisible) {
createDropdownWidget();
}
return super.charTyped(chr, modifiers);
}
@Override
protected int getValueColor() {
if (inputFieldFocused) {
if (!dropdownController.isValueValid(inputField)) {
return 0xFFF06080;
}
}
return super.getValueColor();
}
@Override
public boolean modifyInput(Consumer<StringBuilder> builder) {
boolean success = super.modifyInput(builder);
if (success) {
this.matchingValues = this.computeMatchingValues();
}
return success;
}
public abstract List<U> computeMatchingValues();
public boolean matchingValue(String value) {
return value.toLowerCase().contains(inputField.toLowerCase());
}
@Override
public void render(GuiGraphics graphics, int mouseX, int mouseY, float delta) {
if (matchingValues == null) matchingValues = computeMatchingValues();
super.render(graphics, mouseX, mouseY, delta);
}
void renderDropdownEntry(GuiGraphics graphics, Dimension<Integer> entryDimension, int index) {
renderDropdownEntry(graphics, entryDimension, matchingValues.get(index));
}
protected void renderDropdownEntry(GuiGraphics graphics, Dimension<Integer> entryDimension, U value) {
String entry = getString(value);
Component text;
if (entry.isBlank()) {
text = Component.translatable("yacl.control.text.blank").withStyle(ChatFormatting.GRAY);
} else {
text = shortenString(entry);
}
graphics.drawString(
textRenderer,
text,
entryDimension.xLimit() - textRenderer.width(text) - getDropdownEntryPadding(),
getTextY(entryDimension),
-1,
true
);
}
protected int getTextY(Dimension<Integer> dim) {
return (int)(dim.y() + dim.height() / 2f - textRenderer.lineHeight / 2f);
}
@Override
public void setDimension(Dimension<Integer> dim) {
super.setDimension(dim);
if (dropdownWidget != null) {
dropdownWidget.setDimension(dropdownWidget.getDimension().withY(this.getDimension().y()));
// checks if the popup is being partially rendered offscreen
if (this.getDimension().y() < screen.tabArea.top() || this.getDimension().yLimit() > screen.tabArea.bottom()) {
removeDropdownWidget();
}
}
}
public abstract String getString(U object);
public Component shortenString(String value) {
return Component.literal(GuiUtils.shortenString(value, textRenderer, getDimension().width() - 20, "..."));
}
protected int getDecorationPadding() {
return super.getXPadding();
}
protected int getDropdownEntryPadding() {
return 0;
}
public void createDropdownWidget() {
dropdownVisible = true;
dropdownWidget = new DropdownWidget<>(dropdownController, screen, getDimension(), this);
screen.addPopupControllerWidget(dropdownWidget);
}
public DropdownWidget<T> dropdownWidget() {
return dropdownWidget;
}
public boolean isDropdownVisible() {
return dropdownVisible;
}
public void removeDropdownWidget() {
ensureValidValue();
screen.clearPopupControllerWidget();
this.dropdownVisible = false;
this.dropdownWidget = null;
}
}
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