Java tutorial
/* * This file is part of Applied Energistics 2. * Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved. * * Applied Energistics 2 is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Applied Energistics 2 is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with Applied Energistics 2. If not, see <http://www.gnu.org/licenses/lgpl>. */ package appeng.client.gui.widgets; import java.util.regex.Pattern; import org.lwjgl.opengl.GL11; import net.minecraft.client.Minecraft; import net.minecraft.client.gui.GuiButton; import net.minecraft.util.StatCollector; import appeng.client.texture.ExtraBlockTextures; public class GuiToggleButton extends GuiButton implements ITooltip { private static final Pattern PATTERN_NEW_LINE = Pattern.compile("\\n", Pattern.LITERAL); private final int iconIdxOn; private final int iconIdxOff; private final String displayName; private final String displayHint; private boolean isActive; public GuiToggleButton(final int x, final int y, final int on, final int off, final String displayName, final String displayHint) { super(0, 0, 16, ""); this.iconIdxOn = on; this.iconIdxOff = off; this.displayName = displayName; this.displayHint = displayHint; this.xPosition = x; this.yPosition = y; this.width = 16; this.height = 16; } public void setState(final boolean isOn) { this.isActive = isOn; } @Override public void drawButton(final Minecraft par1Minecraft, final int par2, final int par3) { if (this.visible) { final int iconIndex = this.getIconIndex(); GL11.glColor4f(1.0f, 1.0f, 1.0f, 1.0f); par1Minecraft.renderEngine.bindTexture(ExtraBlockTextures.GuiTexture("guis/states.png")); this.field_146123_n = par2 >= this.xPosition && par3 >= this.yPosition && par2 < this.xPosition + this.width && par3 < this.yPosition + this.height; final int uv_y = (int) Math.floor(iconIndex / 16); final int uv_x = iconIndex - uv_y * 16; this.drawTexturedModalRect(this.xPosition, this.yPosition, 256 - 16, 256 - 16, 16, 16); this.drawTexturedModalRect(this.xPosition, this.yPosition, uv_x * 16, uv_y * 16, 16, 16); this.mouseDragged(par1Minecraft, par2, par3); } } private int getIconIndex() { return this.isActive ? this.iconIdxOn : this.iconIdxOff; } @Override public String getMessage() { if (this.displayName != null) { String name = StatCollector.translateToLocal(this.displayName); String value = StatCollector.translateToLocal(this.displayHint); if (name == null || name.isEmpty()) { name = this.displayName; } if (value == null || value.isEmpty()) { value = this.displayHint; } value = PATTERN_NEW_LINE.matcher(value).replaceAll("\n"); final StringBuilder sb = new StringBuilder(value); int i = sb.lastIndexOf("\n"); if (i <= 0) { i = 0; } while (i + 30 < sb.length() && (i = sb.lastIndexOf(" ", i + 30)) != -1) { sb.replace(i, i + 1, "\n"); } return name + '\n' + sb; } return null; } @Override public int xPos() { return this.xPosition; } @Override public int yPos() { return this.yPosition; } @Override public int getWidth() { return 16; } @Override public int getHeight() { return 16; } @Override public boolean isVisible() { return this.visible; } }