Java tutorial
/* * This file ("GuiBooklet.java") is part of the Actually Additions mod for Minecraft. * It is created and owned by Ellpeck and distributed * under the Actually Additions License to be found at * http://ellpeck.de/actaddlicense * View the source code at https://github.com/Ellpeck/ActuallyAdditions * * 2015-2017 Ellpeck */ package de.ellpeck.actuallyadditions.mod.booklet.gui; import java.io.IOException; import java.util.Arrays; import java.util.List; import org.apache.commons.lang3.ArrayUtils; import org.lwjgl.input.Keyboard; import org.lwjgl.input.Mouse; import de.ellpeck.actuallyadditions.api.ActuallyAdditionsAPI; import de.ellpeck.actuallyadditions.api.booklet.internal.GuiBookletBase; import de.ellpeck.actuallyadditions.mod.ActuallyAdditions; import de.ellpeck.actuallyadditions.mod.booklet.button.BookmarkButton; import de.ellpeck.actuallyadditions.mod.booklet.button.TrialsButton; import de.ellpeck.actuallyadditions.mod.config.values.ConfigIntValues; import de.ellpeck.actuallyadditions.mod.data.PlayerData; import de.ellpeck.actuallyadditions.mod.data.PlayerData.PlayerSave; import de.ellpeck.actuallyadditions.mod.inventory.gui.TexturedButton; import de.ellpeck.actuallyadditions.mod.network.PacketHandlerHelper; import de.ellpeck.actuallyadditions.mod.util.AssetUtil; import de.ellpeck.actuallyadditions.mod.util.StringUtil; import net.minecraft.client.gui.GuiButton; import net.minecraft.client.gui.GuiScreen; import net.minecraft.client.gui.GuiTextField; import net.minecraft.client.renderer.GlStateManager; import net.minecraft.util.ResourceLocation; import net.minecraft.util.text.TextFormatting; import net.minecraftforge.fml.relauncher.Side; import net.minecraftforge.fml.relauncher.SideOnly; @SideOnly(Side.CLIENT) public abstract class GuiBooklet extends GuiBookletBase { public static final int BUTTONS_PER_PAGE = 12; public static final ResourceLocation RES_LOC_GUI = AssetUtil.getBookletGuiLocation("gui_booklet"); public static final ResourceLocation RES_LOC_GADGETS = AssetUtil.getBookletGuiLocation("gui_booklet_gadgets"); protected final BookmarkButton[] bookmarkButtons = new BookmarkButton[12]; public GuiScreen previousScreen; public GuiBookletBase parentPage; public GuiTextField searchField; protected int xSize; protected int ySize; protected int guiLeft; protected int guiTop; private GuiButton buttonLeft; private GuiButton buttonRight; private GuiButton buttonBack; private GuiButton buttonTrials; private float smallFontSize; private float mediumFontSize; private float largeFontSize; public GuiBooklet(GuiScreen previousScreen, GuiBookletBase parentPage) { this.previousScreen = previousScreen; this.parentPage = parentPage; this.xSize = 281; this.ySize = 180; } private static float getFontSize(String lang, ConfigIntValues config, float defaultValue) { int conf = config.getValue(); if (conf <= 0) { try { return Float.parseFloat( StringUtil.localize("booklet." + ActuallyAdditions.MODID + ".fontSize." + lang)); } catch (Exception e) { return defaultValue; } } else { return conf / 100F; } } @Override public void initGui() { super.initGui(); this.guiLeft = (this.width - this.xSize) / 2; this.guiTop = (this.height - this.ySize) / 2; this.smallFontSize = getFontSize("small", ConfigIntValues.FONT_SIZE_SMALL, 0.5F); this.mediumFontSize = getFontSize("medium", ConfigIntValues.FONT_SIZE_MEDIUM, 0.75F); this.largeFontSize = getFontSize("large", ConfigIntValues.FONT_SIZE_LARGE, 0.8F); if (this.hasPageLeftButton()) { List<String> hoverText = Arrays.asList(TextFormatting.GOLD + "Previous Page", TextFormatting.ITALIC + "Or scroll up"); this.buttonLeft = new TexturedButton(RES_LOC_GADGETS, -2000, this.guiLeft - 12, this.guiTop + this.ySize - 8, 18, 54, 18, 10, hoverText); this.buttonList.add(this.buttonLeft); } if (this.hasPageRightButton()) { List<String> hoverText = Arrays.asList(TextFormatting.GOLD + "Next Page", TextFormatting.ITALIC + "Or scroll down"); this.buttonRight = new TexturedButton(RES_LOC_GADGETS, -2001, this.guiLeft + this.xSize - 6, this.guiTop + this.ySize - 8, 0, 54, 18, 10, hoverText); this.buttonList.add(this.buttonRight); } if (this.hasBackButton()) { List<String> hoverText = Arrays.asList(TextFormatting.GOLD + "Go Back", TextFormatting.ITALIC + "Or right-click", TextFormatting.ITALIC.toString() + TextFormatting.GRAY + "Hold Shift for Main Page"); this.buttonBack = new TexturedButton(RES_LOC_GADGETS, -2002, this.guiLeft - 15, this.guiTop - 3, 36, 54, 18, 10, hoverText); this.buttonList.add(this.buttonBack); } if (this.hasSearchBar()) { this.searchField = new GuiTextField(-420, this.fontRenderer, this.guiLeft + this.xSize + 2, this.guiTop + this.ySize - 40 + 2, 64, 12); this.searchField.setMaxStringLength(50); this.searchField.setEnableBackgroundDrawing(false); } if (this.hasBookmarkButtons()) { PlayerSave data = PlayerData.getDataFromPlayer(this.mc.player); int xStart = this.guiLeft + this.xSize / 2 - 16 * this.bookmarkButtons.length / 2; for (int i = 0; i < this.bookmarkButtons.length; i++) { this.bookmarkButtons[i] = new BookmarkButton(1337 + i, xStart + i * 16, this.guiTop + this.ySize, this); this.buttonList.add(this.bookmarkButtons[i]); if (data.bookmarks[i] != null) { this.bookmarkButtons[i].assignedPage = data.bookmarks[i]; } } } this.buttonTrials = new TrialsButton(this); this.buttonList.add(this.buttonTrials); } @Override public void onGuiClosed() { super.onGuiClosed(); //Don't cache the parent GUI, otherwise it opens again when you close the cached book! this.previousScreen = null; if (this.mc.player == null) return; PlayerSave data = PlayerData.getDataFromPlayer(this.mc.player); data.lastOpenBooklet = this; boolean change = false; for (int i = 0; i < this.bookmarkButtons.length; i++) { if (data.bookmarks[i] != this.bookmarkButtons[i].assignedPage) { data.bookmarks[i] = this.bookmarkButtons[i].assignedPage; change = true; } } if (change) { PacketHandlerHelper.sendPlayerDataToServer(true, 0); } } @Override public void drawScreen(int mouseX, int mouseY, float partialTicks) { this.drawScreenPre(mouseX, mouseY, partialTicks); super.drawScreen(mouseX, mouseY, partialTicks); this.drawScreenPost(mouseX, mouseY, partialTicks); } public void drawScreenPre(int mouseX, int mouseY, float partialTicks) { GlStateManager.color(1F, 1F, 1F); this.mc.getTextureManager().bindTexture(RES_LOC_GUI); drawModalRectWithCustomSizedTexture(this.guiLeft, this.guiTop, 0, 0, this.xSize, this.ySize, 512, 512); if (this.hasSearchBar()) { this.mc.getTextureManager().bindTexture(RES_LOC_GADGETS); this.drawTexturedModalRect(this.guiLeft + this.xSize, this.guiTop + this.ySize - 40, 188, 0, 68, 14); boolean unicodeBefore = this.fontRenderer.getUnicodeFlag(); this.fontRenderer.setUnicodeFlag(true); if (!this.searchField.isFocused() && (this.searchField.getText() == null || this.searchField.getText().isEmpty())) { this.fontRenderer.drawString( TextFormatting.ITALIC + StringUtil.localize("info." + ActuallyAdditions.MODID + ".booklet.searchField"), this.guiLeft + this.xSize + 2, this.guiTop + this.ySize - 40 + 2, 0xFFFFFF, false); } this.searchField.drawTextBox(); this.fontRenderer.setUnicodeFlag(unicodeBefore); } } public void drawScreenPost(int mouseX, int mouseY, float partialTicks) { for (GuiButton button : this.buttonList) { if (button instanceof BookmarkButton) { ((BookmarkButton) button).drawHover(mouseX, mouseY); } else if (button instanceof TexturedButton) { ((TexturedButton) button).drawHover(mouseX, mouseY); } } } @Override protected void mouseClicked(int mouseX, int mouseY, int mouseButton) throws IOException { super.mouseClicked(mouseX, mouseY, mouseButton); if (this.hasSearchBar()) { this.searchField.mouseClicked(mouseX, mouseY, mouseButton); } if (mouseButton == 1 && this.hasBackButton()) { this.onBackButtonPressed(); } } @Override public void handleMouseInput() throws IOException { int wheel = Mouse.getEventDWheel(); if (wheel != 0) { if (wheel < 0) { if (this.hasPageRightButton()) { this.onPageRightButtonPressed(); } } else if (wheel > 0) { if (this.hasPageLeftButton()) { this.onPageLeftButtonPressed(); } } } super.handleMouseInput(); } @Override public void updateScreen() { super.updateScreen(); if (this.hasSearchBar()) { this.searchField.updateCursorCounter(); } } @Override public boolean doesGuiPauseGame() { return false; } public boolean hasPageLeftButton() { return false; } public void onPageLeftButtonPressed() { } public boolean hasPageRightButton() { return false; } public void onPageRightButtonPressed() { } public boolean areTrialsOpened() { return false; } public boolean hasBackButton() { return false; } public void onBackButtonPressed() { this.mc.displayGuiScreen(new GuiMainPage(this.previousScreen)); } public boolean hasSearchBar() { return true; } public boolean hasBookmarkButtons() { return true; } @Override public float getSmallFontSize() { return this.smallFontSize; } @Override public float getMediumFontSize() { return this.mediumFontSize; } @Override public float getLargeFontSize() { return this.largeFontSize; } public void onSearchBarChanged(String searchBarText) { GuiBookletBase parent = !(this instanceof GuiEntry) ? this : this.parentPage; this.mc.displayGuiScreen(new GuiEntry(this.previousScreen, parent, ActuallyAdditionsAPI.entryAllAndSearch, 0, searchBarText, true)); } @Override protected void actionPerformed(GuiButton button) throws IOException { if (this.hasPageLeftButton() && button == this.buttonLeft) { this.onPageLeftButtonPressed(); } else if (this.hasPageRightButton() && button == this.buttonRight) { this.onPageRightButtonPressed(); } else if (this.hasBackButton() && button == this.buttonBack) { this.onBackButtonPressed(); } if (button == this.buttonTrials) { this.mc.displayGuiScreen( new GuiEntry(this.previousScreen, this, ActuallyAdditionsAPI.entryTrials, 0, "", false)); } else if (this.hasBookmarkButtons() && button instanceof BookmarkButton) { int index = ArrayUtils.indexOf(this.bookmarkButtons, button); if (index >= 0) { this.bookmarkButtons[index].onPressed(); } } else { super.actionPerformed(button); } } @Override protected void keyTyped(char typedChar, int key) throws IOException { if (key == Keyboard.KEY_ESCAPE || key == this.mc.gameSettings.keyBindInventory.getKeyCode() && (!this.hasSearchBar() || !this.searchField.isFocused())) { this.mc.displayGuiScreen(this.previousScreen); } else if (this.hasSearchBar() & this.searchField.isFocused()) { String lastText = this.searchField.getText(); this.searchField.textboxKeyTyped(typedChar, key); if (!lastText.equals(this.searchField.getText())) { this.onSearchBarChanged(this.searchField.getText()); } } else { super.keyTyped(typedChar, key); } } @Override public void renderScaledAsciiString(String text, int x, int y, int color, boolean shadow, float scale) { StringUtil.renderScaledAsciiString(this.fontRenderer, text, x, y, color, shadow, scale); } @Override public void renderSplitScaledAsciiString(String text, int x, int y, int color, boolean shadow, float scale, int length) { StringUtil.renderSplitScaledAsciiString(this.fontRenderer, text, x, y, color, shadow, scale, length); } @Override public List<GuiButton> getButtonList() { return this.buttonList; } @Override public int getGuiLeft() { return this.guiLeft; } @Override public int getGuiTop() { return this.guiTop; } @Override public int getSizeX() { return this.xSize; } @Override public int getSizeY() { return this.ySize; } }