Java tutorial
/******************************************************************************* * Copyright (c) 2014, 2015 Scott Clarke (scott@dawg6.com). * * This file is part of Dawg6's Demon Hunter DPS Calculator. * * Dawg6's Demon Hunter DPS Calculator is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Dawg6's Demon Hunter DPS Calculator 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. *******************************************************************************/ package com.dawg6.web.dhcalc.client; import java.util.Collections; import java.util.Comparator; import java.util.List; import java.util.Vector; import com.dawg6.gwt.client.ApplicationPanel; import com.dawg6.gwt.common.util.Pair; import com.dawg6.web.dhcalc.shared.calculator.ActiveSkill; import com.dawg6.web.dhcalc.shared.calculator.Breakpoint; import com.dawg6.web.dhcalc.shared.calculator.DamageFunction; import com.dawg6.web.dhcalc.shared.calculator.WeaponType; import com.google.gwt.event.dom.client.ChangeEvent; import com.google.gwt.event.dom.client.ChangeHandler; import com.google.gwt.user.client.ui.CaptionPanel; import com.google.gwt.user.client.ui.FlexTable; import com.google.gwt.user.client.ui.HasVerticalAlignment; import com.google.gwt.user.client.ui.HorizontalPanel; import com.google.gwt.user.client.ui.Label; import com.google.gwt.user.client.ui.ListBox; import com.google.gwt.user.client.ui.VerticalPanel; public class BPData extends ApplicationPanel { private final FlexTable table; private final ListBox skills; private final ListBox weaponType; public BPData() { VerticalPanel panel = new VerticalPanel(); initWidget(panel); HorizontalPanel horizontalPanel = new HorizontalPanel(); horizontalPanel.setVerticalAlignment(HasVerticalAlignment.ALIGN_MIDDLE); horizontalPanel.setSpacing(5); panel.add(horizontalPanel); Label lblNewLabel = new Label("Skill:"); lblNewLabel.setStyleName("boldText"); horizontalPanel.add(lblNewLabel); skills = new ListBox(); horizontalPanel.add(skills); Label lblNewLabel2 = new Label("Weapon Type:"); lblNewLabel2.setStyleName("boldText"); horizontalPanel.add(lblNewLabel2); weaponType = new ListBox(); horizontalPanel.add(weaponType); for (WeaponType t : WeaponType.values()) { weaponType.addItem(t.getName(), t.name()); } CaptionPanel cptnpnlNewPanel = new CaptionPanel("Skill Break Point Data"); panel.add(cptnpnlNewPanel); table = new FlexTable(); cptnpnlNewPanel.setContentWidget(table); table.setSize("5cm", "3cm"); table.setStyleName("breakpointTable"); table.setCellPadding(5); table.setBorderWidth(1); table.getRowFormatter().addStyleName(0, "headerRow"); int col = 0; Label bp = new Label("BP"); bp.setWordWrap(false); table.setWidget(0, col++, bp); Label fpa = new Label("FPA"); fpa.setWordWrap(false); table.setWidget(0, col++, fpa); Label minAps = new Label("Min APS"); minAps.setWordWrap(false); table.setWidget(0, col++, minAps); Label actualAps = new Label("Actual APS"); actualAps.setWordWrap(false); table.setWidget(0, col++, actualAps); List<Pair<String, String>> list = new Vector<Pair<String, String>>(); for (ActiveSkill s : ActiveSkill.values()) { if (DamageFunction.hasDamage(s) && (s.getFrames() != 0)) list.add(new Pair<String, String>(s.getLongName(), s.name())); } Collections.sort(list, new Comparator<Pair<String, String>>() { @Override public int compare(Pair<String, String> o1, Pair<String, String> o2) { return o1.getA().toLowerCase().compareTo(o2.getA().toLowerCase()); } }); for (Pair<String, String> p : list) { skills.addItem(p.getA(), p.getB()); } skills.addChangeHandler(new ChangeHandler() { @Override public void onChange(ChangeEvent event) { skillChanged(); } }); weaponType.addChangeHandler(new ChangeHandler() { @Override public void onChange(ChangeEvent event) { skillChanged(); } }); skills.setSelectedIndex(0); weaponType.setSelectedIndex(0); skillChanged(); } protected void skillChanged() { int index = skills.getSelectedIndex(); while (table.getRowCount() > 1) table.removeRow(table.getRowCount() - 1); if (index < 0) return; String value = skills.getValue(index); ActiveSkill skill = ActiveSkill.valueOf(value); int row = 1; int frames = skill.getFrames(); if (frames < 0) { frames = getSelectedWeaponType().getFrames(); } Breakpoint bp = new Breakpoint(frames); while (bp.getData()[row - 1].fpa > 15) { Breakpoint.Data data = bp.getData()[row - 1]; if ((row % 2) == 0) table.getRowFormatter().addStyleName(row, "evenRow"); else table.getRowFormatter().addStyleName(row, "oddRow"); int col = 0; addLabel(row, col++, String.valueOf(data.bp)); addLabel(row, col++, String.valueOf(data.fpa)); addLabel(row, col++, String.valueOf(data.minAps)); addLabel(row, col++, String.valueOf(data.actualAps)); row++; } } private WeaponType getSelectedWeaponType() { int n = weaponType.getSelectedIndex(); if (n < 0) return null; return WeaponType.valueOf(weaponType.getValue(n)); } private void addLabel(int row, int col, String text, String... styles) { Label label = new Label(text); label.setWordWrap(false); if (styles != null) for (String s : styles) label.addStyleName(s); table.setWidget(row, col, label); } }