/
ItemListOverlay.java
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/
ItemListOverlay.java
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package mezz.jei.gui;
import com.google.common.collect.ImmutableList;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.awt.Color;
import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.FontRenderer;
import net.minecraft.client.gui.GuiButton;
import net.minecraft.client.gui.GuiScreen;
import net.minecraft.client.gui.GuiTextField;
import net.minecraft.client.gui.inventory.GuiContainer;
import net.minecraft.client.renderer.GlStateManager;
import net.minecraft.client.renderer.RenderHelper;
import net.minecraft.util.ResourceLocation;
import net.minecraftforge.fml.client.config.GuiButtonExt;
import net.minecraftforge.fml.client.config.HoverChecker;
import org.lwjgl.input.Keyboard;
import mezz.jei.ItemFilter;
import mezz.jei.api.JEIManager;
import mezz.jei.api.gui.IDrawable;
import mezz.jei.config.Constants;
import mezz.jei.config.JEIModConfigGui;
import mezz.jei.gui.ingredients.GuiItemStackFast;
import mezz.jei.gui.ingredients.GuiItemStackFastBatch;
import mezz.jei.gui.ingredients.GuiItemStackGroup;
import mezz.jei.input.GuiTextFieldFilter;
import mezz.jei.input.IKeyable;
import mezz.jei.input.IMouseHandler;
import mezz.jei.input.IShowsRecipeFocuses;
import mezz.jei.util.ItemStackElement;
import mezz.jei.util.MathUtil;
import mezz.jei.util.Translator;
public class ItemListOverlay implements IShowsRecipeFocuses, IMouseHandler, IKeyable {
private static final int borderPadding = 4;
private static final int searchHeight = 16;
private static final int buttonPaddingX = 14;
private static final int buttonPaddingY = 8;
private static final int itemStackPadding = 1;
private static final int itemStackWidth = GuiItemStackGroup.getWidth(itemStackPadding);
private static final int itemStackHeight = GuiItemStackGroup.getHeight(itemStackPadding);
private static int pageNum = 0;
private final ItemFilter itemFilter;
private int buttonHeight;
private final GuiItemStackFastBatch guiItemStacks = new GuiItemStackFastBatch();
private GuiButton nextButton;
private GuiButton backButton;
private GuiButton configButton;
private IDrawable configButtonIcon;
private HoverChecker configButtonHoverChecker;
private GuiTextFieldFilter searchField;
private int pageCount;
private String pageNumDisplayString;
private int pageNumDisplayX;
private int pageNumDisplayY;
private GuiItemStackFast hovered = null;
// properties of the gui we're beside
private int guiLeft;
private int guiXSize;
private int screenWidth;
private int screenHeight;
private boolean open = false;
private boolean enabled = true;
public ItemListOverlay(ItemFilter itemFilter) {
this.itemFilter = itemFilter;
}
public void initGui(@Nonnull GuiContainer guiContainer) {
this.guiLeft = guiContainer.guiLeft;
this.guiXSize = guiContainer.xSize;
this.screenWidth = guiContainer.width;
this.screenHeight = guiContainer.height;
String next = ">";
String back = "<";
FontRenderer fontRenderer = Minecraft.getMinecraft().fontRendererObj;
final int nextButtonWidth = buttonPaddingX + fontRenderer.getStringWidth(next);
final int backButtonWidth = buttonPaddingX + fontRenderer.getStringWidth(back);
buttonHeight = buttonPaddingY + fontRenderer.FONT_HEIGHT;
final int columns = getColumns();
final int rows = getRows();
final int xSize = columns * itemStackWidth;
final int xEmptySpace = screenWidth - guiLeft - guiXSize - xSize;
final int leftEdge = guiLeft + guiXSize + (xEmptySpace / 2);
final int rightEdge = leftEdge + xSize;
final int yItemButtonSpace = getItemButtonYSpace();
final int itemButtonsHeight = rows * itemStackHeight;
final int buttonStartY = buttonHeight + (2 * borderPadding) + (yItemButtonSpace - itemButtonsHeight) / 2;
createItemButtons(leftEdge, buttonStartY, columns, rows);
nextButton = new GuiButtonExt(0, rightEdge - nextButtonWidth, borderPadding, nextButtonWidth, buttonHeight, next);
backButton = new GuiButtonExt(1, leftEdge, borderPadding, backButtonWidth, buttonHeight, back);
int configButtonSize = searchHeight + 4;
int configButtonX = rightEdge - configButtonSize + 1;
int configButtonY = screenHeight - configButtonSize - borderPadding;
configButton = new GuiButtonExt(2, configButtonX, configButtonY, configButtonSize, configButtonSize, null);
ResourceLocation configButtonIconLocation = new ResourceLocation(Constants.RESOURCE_DOMAIN, Constants.TEXTURE_GUI_PATH + "recipeBackground.png");
configButtonIcon = JEIManager.guiHelper.createDrawable(configButtonIconLocation, 0, 166, 16, 16);
configButtonHoverChecker = new HoverChecker(configButton, 0);
int searchFieldY = screenHeight - searchHeight - borderPadding - 2;
int searchFieldWidth = rightEdge - leftEdge - configButtonSize - 1;
searchField = new GuiTextFieldFilter(0, fontRenderer, leftEdge, searchFieldY, searchFieldWidth, searchHeight);
setKeyboardFocus(false);
searchField.setItemFilter(itemFilter);
updateLayout();
}
private void createItemButtons(final int xStart, final int yStart, final int columnCount, final int rowCount) {
guiItemStacks.clear();
for (int row = 0; row < rowCount; row++) {
int y = yStart + (row * itemStackHeight);
for (int column = 0; column < columnCount; column++) {
int x = xStart + (column * itemStackWidth);
guiItemStacks.add(new GuiItemStackFast(x, y, itemStackPadding));
}
}
}
private void updateLayout() {
updatePageCount();
if (pageNum >= getPageCount()) {
pageNum = 0;
}
int i = pageNum * getCountPerPage();
ImmutableList<ItemStackElement> itemList = itemFilter.getItemList();
guiItemStacks.set(i, itemList);
FontRenderer fontRendererObj = Minecraft.getMinecraft().fontRendererObj;
pageNumDisplayString = (getPageNum() + 1) + "/" + getPageCount();
int pageDisplayWidth = fontRendererObj.getStringWidth(pageNumDisplayString);
pageNumDisplayX = ((backButton.xPosition + backButton.width) + nextButton.xPosition) / 2 - (pageDisplayWidth / 2);
pageNumDisplayY = backButton.yPosition + Math.round((backButton.height - fontRendererObj.FONT_HEIGHT) / 2.0f);
searchField.update();
}
private void nextPage() {
if (pageNum == getPageCount() - 1) {
setPageNum(0);
} else {
setPageNum(pageNum + 1);
}
}
private void previousPage() {
if (pageNum == 0) {
setPageNum(getPageCount() - 1);
} else {
setPageNum(pageNum - 1);
}
}
public void drawScreen(@Nonnull Minecraft minecraft, int mouseX, int mouseY) {
if (!isOpen()) {
return;
}
GlStateManager.disableLighting();
minecraft.fontRendererObj.drawString(pageNumDisplayString, pageNumDisplayX, pageNumDisplayY, Color.white.getRGB(), true);
searchField.drawTextBox();
nextButton.drawButton(minecraft, mouseX, mouseY);
backButton.drawButton(minecraft, mouseX, mouseY);
configButton.drawButton(minecraft, mouseX, mouseY);
configButtonIcon.draw(minecraft, configButton.xPosition + 2, configButton.yPosition + 2);
boolean mouseOver = isMouseOver(mouseX, mouseY);
hovered = guiItemStacks.render(hovered, minecraft, mouseOver, mouseX, mouseY);
if (configButtonHoverChecker.checkHover(mouseX, mouseY)) {
String configString = Translator.translateToLocal("jei.tooltip.config");
TooltipRenderer.drawHoveringText(minecraft, configString, mouseX, mouseY);
}
}
public void drawHovered(@Nonnull Minecraft minecraft, int mouseX, int mouseY) {
if (hovered != null) {
RenderHelper.enableGUIStandardItemLighting();
hovered.drawHovered(minecraft, mouseX, mouseY);
RenderHelper.disableStandardItemLighting();
hovered = null;
}
}
public void handleTick() {
searchField.updateCursorCounter();
}
@Override
public boolean isMouseOver(int mouseX, int mouseY) {
return isOpen() && (mouseX >= guiLeft + guiXSize);
}
@Override
@Nullable
public Focus getFocusUnderMouse(int mouseX, int mouseY) {
if (!isMouseOver(mouseX, mouseY)) {
return null;
}
Focus focus = guiItemStacks.getFocusUnderMouse(mouseX, mouseY);
if (focus != null) {
setKeyboardFocus(false);
}
return focus;
}
@Override
public boolean handleMouseClicked(int mouseX, int mouseY, int mouseButton) {
if (!isMouseOver(mouseX, mouseY)) {
setKeyboardFocus(false);
return false;
}
boolean buttonClicked = handleMouseClickedButtons(mouseX, mouseY);
if (buttonClicked) {
setKeyboardFocus(false);
return true;
}
return handleMouseClickedSearch(mouseX, mouseY, mouseButton);
}
@Override
public boolean handleMouseScrolled(int mouseX, int mouseY, int scrollDelta) {
if (!isMouseOver(mouseX, mouseY)) {
return false;
}
if (scrollDelta < 0) {
nextPage();
return true;
} else if (scrollDelta > 0) {
previousPage();
return true;
}
return false;
}
private boolean handleMouseClickedButtons(int mouseX, int mouseY) {
Minecraft minecraft = Minecraft.getMinecraft();
if (nextButton.mousePressed(minecraft, mouseX, mouseY)) {
nextPage();
return true;
} else if (backButton.mousePressed(minecraft, mouseX, mouseY)) {
previousPage();
return true;
} else if (configButton.mousePressed(minecraft, mouseX, mouseY)) {
close();
GuiScreen configScreen = new JEIModConfigGui(minecraft.currentScreen);
minecraft.displayGuiScreen(configScreen);
return true;
}
return false;
}
private boolean handleMouseClickedSearch(int mouseX, int mouseY, int mouseButton) {
boolean searchClicked = searchField.isMouseOver(mouseX, mouseY);
setKeyboardFocus(searchClicked);
if (searchClicked) {
if (searchField.handleMouseClicked(mouseX, mouseY, mouseButton)) {
updateLayout();
}
}
return searchClicked;
}
@Override
public boolean hasKeyboardFocus() {
return searchField.isFocused();
}
@Override
public void setKeyboardFocus(boolean keyboardFocus) {
searchField.setFocused(keyboardFocus);
}
@Override
public boolean onKeyPressed(int keyCode) {
if (searchField.isFocused()) {
boolean success = searchField.textboxKeyTyped(Keyboard.getEventCharacter(), Keyboard.getEventKey());
if (success) {
updateLayout();
}
return true;
}
return false;
}
private int getItemButtonXSpace() {
return screenWidth - (guiLeft + guiXSize + (2 * borderPadding));
}
private int getItemButtonYSpace() {
return screenHeight - (buttonHeight + searchHeight + 2 + (4 * borderPadding));
}
private int getColumns() {
return getItemButtonXSpace() / itemStackWidth;
}
private int getRows() {
return getItemButtonYSpace() / itemStackHeight;
}
private int getCountPerPage() {
return getColumns() * getRows();
}
private void updatePageCount() {
int count = itemFilter.size();
pageCount = MathUtil.divideCeil(count, getCountPerPage());
if (pageCount == 0) {
pageCount = 1;
}
}
private int getPageCount() {
return pageCount;
}
private int getPageNum() {
return pageNum;
}
private void setPageNum(int pageNum) {
if (ItemListOverlay.pageNum == pageNum) {
return;
}
ItemListOverlay.pageNum = pageNum;
updateLayout();
}
@Override
public void open() {
open = true;
setKeyboardFocus(false);
}
@Override
public void close() {
open = false;
setKeyboardFocus(false);
}
@Override
public boolean isOpen() {
return open && enabled;
}
public void toggleEnabled() {
enabled = !enabled;
}
}