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166 changes: 166 additions & 0 deletions
166
src/main/java/io/github/darkkronicle/advancedchatcore/chat/AdvancedTextField.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,166 @@ | ||
| /* | ||
| * Copyright (C) 2021 DarkKronicle | ||
| * | ||
| * This Source Code Form is subject to the terms of the Mozilla Public | ||
| * License, v. 2.0. If a copy of the MPL was not distributed with this | ||
| * file, You can obtain one at https://mozilla.org/MPL/2.0/. | ||
| */ | ||
| package io.github.darkkronicle.advancedchatcore.chat; | ||
|
|
||
| import fi.dy.masa.malilib.util.KeyCodes; | ||
| import io.github.darkkronicle.advancedchatcore.util.TextUtil; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import net.minecraft.client.font.TextRenderer; | ||
| import net.minecraft.client.gui.screen.Screen; | ||
| import net.minecraft.client.gui.widget.TextFieldWidget; | ||
| import net.minecraft.text.Text; | ||
| import org.jetbrains.annotations.Nullable; | ||
|
|
||
| public class AdvancedTextField extends TextFieldWidget { | ||
|
|
||
| /** | ||
| * Stores the last saved snapshot of the box. This ensures that not every character update is | ||
| * put in, but instead groups. | ||
| */ | ||
| private String lastSaved = ""; | ||
|
|
||
| /** Snapshots of chat box */ | ||
| private final List<String> history = new ArrayList<>(); | ||
|
|
||
| private int historyIndex = -1; | ||
|
|
||
| public AdvancedTextField( | ||
| TextRenderer textRenderer, int x, int y, int width, int height, Text text) { | ||
| this(textRenderer, x, y, width, height, null, text); | ||
| } | ||
|
|
||
| public AdvancedTextField( | ||
| TextRenderer textRenderer, | ||
| int x, | ||
| int y, | ||
| int width, | ||
| int height, | ||
| @Nullable TextFieldWidget copyFrom, | ||
| Text text) { | ||
| super(textRenderer, x, y, width, height, copyFrom, text); | ||
| history.add(""); | ||
| } | ||
|
|
||
| public static boolean isUndo(int code) { | ||
| // Undo (Ctrl + Z) | ||
| return code == KeyCodes.KEY_Z && Screen.hasControlDown() && !Screen.hasAltDown(); | ||
| } | ||
|
|
||
| /** Triggers undo for the text box */ | ||
| public void undo() { | ||
| // Save the current snapshot if it's been edited | ||
| if (!this.lastSaved.equals(this.getText()) && historyIndex < 0) { | ||
| addToHistory(getText()); | ||
| } | ||
| // History index < 0 means not in the middle of undoing | ||
| if (historyIndex < 0) { | ||
| historyIndex = history.size() - 1; | ||
| } | ||
| // Check that we're not at index 0 | ||
| if (historyIndex != 0) { | ||
| historyIndex--; | ||
| } | ||
| // Set the text but don't update | ||
| setText(history.get(historyIndex), false); | ||
| } | ||
|
|
||
| public void redo() { | ||
| if (historyIndex < 0 || historyIndex >= history.size() - 1) { | ||
| // No stuff to redo... | ||
| return; | ||
| } | ||
| historyIndex++; | ||
| setText(history.get(historyIndex), false); | ||
| } | ||
|
|
||
| @Override | ||
| public void write(String text) { | ||
| super.write(text); | ||
| updateHistory(); | ||
| } | ||
|
|
||
| @Override | ||
| public void eraseCharacters(int characterOffset) { | ||
| super.eraseCharacters(characterOffset); | ||
| updateHistory(); | ||
| } | ||
|
|
||
| /** | ||
| * Sets the text for the text field | ||
| * | ||
| * @param text Text to set | ||
| * @param update Updates the history | ||
| */ | ||
| public void setText(String text, boolean update) { | ||
| // Wrapper class for setText | ||
| super.setText(text); | ||
| if (update) { | ||
| updateHistory(); | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public void setText(String text) { | ||
| setText(text, true); | ||
| } | ||
|
|
||
| private void updateHistory() { | ||
| if (historyIndex >= 0) { | ||
| // Remove all history after what has gone back | ||
| pruneHistory(historyIndex + 1); | ||
| historyIndex = -1; | ||
| } | ||
| // Check to see if it should log | ||
| int dif = getText().length() - lastSaved.length(); | ||
| double sim = TextUtil.similarity(getText(), lastSaved); | ||
| if (sim >= .3 && (dif < 5 && dif * -1 < 5) || (sim >= .9)) { | ||
| return; | ||
| } | ||
| addToHistory(getText()); | ||
| } | ||
|
|
||
| private void addToHistory(String text) { | ||
| this.lastSaved = text; | ||
| this.history.add(text); | ||
| while (this.history.size() > 50) { | ||
| this.history.remove(0); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Remove's all history past a certain index | ||
| * | ||
| * @param index Index to prune from. Non-inclusive. | ||
| */ | ||
| private void pruneHistory(int index) { | ||
| if (index == 0) { | ||
| history.clear(); | ||
| return; | ||
| } | ||
| while (history.size() > index) { | ||
| history.remove(history.size() - 1); | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public boolean keyPressed(int keyCode, int scanCode, int modifiers) { | ||
| if (!this.isActive()) { | ||
| return false; | ||
| } | ||
| if (!isUndo(keyCode)) { | ||
| return super.keyPressed(keyCode, scanCode, modifiers); | ||
| } | ||
| if (Screen.hasShiftDown()) { | ||
| redo(); | ||
| } else { | ||
| undo(); | ||
| } | ||
| return true; | ||
| } | ||
| } |
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