Java tutorial
/******************************************************************************* * Copyright (c) 2013 WPI-Suite * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: Team YOCO (You Only Compile Once) ******************************************************************************/ package com.tmathmeyer.sentinel.ui.views.year; import java.awt.BorderLayout; import java.awt.Color; import java.awt.Dimension; import java.awt.Font; import java.awt.Graphics; import java.awt.GridLayout; import java.awt.event.MouseEvent; import java.awt.event.MouseListener; import java.util.HashMap; import java.util.Map; import java.util.Set; import javax.swing.BorderFactory; import javax.swing.Box; import javax.swing.BoxLayout; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.SwingConstants; import org.joda.time.DateTime; import org.joda.time.Interval; import org.joda.time.MutableDateTime; import com.tmathmeyer.sentinel.AbstractCalendar; import com.tmathmeyer.sentinel.models.client.local.EventClient; import com.tmathmeyer.sentinel.models.data.Displayable; import com.tmathmeyer.sentinel.models.data.Event; import com.tmathmeyer.sentinel.ui.main.MainPanel; import com.tmathmeyer.sentinel.utils.Colors; import com.tmathmeyer.sentinel.utils.VerticalLabelUI; /** * View for showing the entire year */ public class YearCalendar extends AbstractCalendar { private static final long serialVersionUID = 1L; private MutableDateTime calendarStart; private Map<Integer, Integer> events = new HashMap<Integer, Integer>(); private EventClient eventModel; /** * * @param dt any date time in the year that you wish to display * @param eventModel the event model so that this can access the database */ public YearCalendar(DateTime dt, EventClient eventModel) { this.setLayout(new BorderLayout()); drawCalendar(new MutableDateTime(dt)); this.eventModel = eventModel; } /** * * @param dt any date time * @return the date time that corresponds to january first of the year of * the date time provided */ private MutableDateTime getStartOfYearCalendar(DateTime dt) { MutableDateTime jan1 = new MutableDateTime(new DateTime(dt.getYear(), 1, 1, 1, 1)); jan1.addDays(0 - (jan1.getDayOfWeek())); return jan1; } /** * * @param mdt a mutable date time on which to start the calendar. this can * be used to make the dynamic month scrolling work if needed. */ private void drawCalendar(MutableDateTime mdt) { this.removeAll(); mdt = this.calendarStart = getStartOfYearCalendar(mdt.toDateTime()); MutableDateTime upperBound = mdt.copy(); upperBound.addDays(378); getVisibleEvents(mdt.toDateTime(), upperBound.toDateTime()); MutableDateTime yearDate = mdt.copy(); yearDate.addDays(20); int year = yearDate.getYear(); JLabel title = new JLabel(year + ""); title.setHorizontalAlignment(SwingConstants.CENTER); title.setFont(new Font("DejaVu Sans", Font.BOLD, 25)); JPanel content = new JPanel(); this.add(title, BorderLayout.NORTH); this.add(content, BorderLayout.CENTER); MutableDateTime monthCounter = mdt.copy(); content.setLayout(new BoxLayout(content, 0)); for (int i = 0; i < 3; i++) { content.add(new Box.Filler(new Dimension(0, 0), new Dimension(0, 0), new Dimension(65566, 0))); content.add(getFourMonthLabel(monthCounter.copy())); content.add(getFourMonthGrid(mdt.copy())); content.add(new Box.Filler(new Dimension(0, 0), new Dimension(0, 0), new Dimension(65566, 0))); mdt.addDays(18 * 7); monthCounter.addMonths(4); } } /** * get the vertical text labels for the months * * @param start the first day in the series * @return the JPanel that contains the 4 month labels */ private JPanel getFourMonthLabel(MutableDateTime start) { JPanel p = new JPanel(); p.setLayout(new GridLayout(4, 1)); for (int i = 0; i < 4; i++) { start.addMonths(1); JLabel l = new JLabel(start.monthOfYear().getAsText()); l.setHorizontalAlignment(SwingConstants.CENTER); l.setFont(new Font("DejaVu Sans", Font.BOLD, 16)); l.setUI(new VerticalLabelUI(false)); p.add(l); } int width = 50; int height = 570; p.setMinimumSize(new Dimension(width, height - 150)); p.setPreferredSize(new Dimension(width, height)); p.setMaximumSize(new Dimension(width, height + 150)); return p; } /** * gets the drawn year * * @param start the date time that starts the series. * @return the jpanel that contains the colored days and the S/M/T/W/R/F/S * labels */ private JPanel getFourMonthGrid(MutableDateTime start) { int gridHeight = 19; int gridWidth = 7; JPanel p = new JPanel(); p.setLayout(new GridLayout(gridHeight, gridWidth)); String[] days = { "S", "M", "T", "W", "R", "F", "S" }; for (int i = 0; i < 7; i++) { JLabel header = new JLabel(days[i]); header.setBorder(BorderFactory.createMatteBorder(0, 0, 1, 0, Colors.BORDER)); header.setHorizontalAlignment(SwingConstants.CENTER); header.setFont(new Font("DejaVu Sans", Font.ITALIC, 12)); p.add(header); } for (int j = 0; j < 18 * 7; j++) { Color dayBackground = start.getMonthOfYear() % 2 == 0 ? Colors.TABLE_BACKGROUND : Colors.TABLE_GRAY_HEADER; Integer eventCount = events.get(start.getDayOfYear()); eventCount = eventCount == null ? 0 : eventCount; YearlyDayHolder day = new YearlyDayHolder(start.toDateTime(), dayBackground); MutableDateTime today = new MutableDateTime(DateTime.now()); today.setMillisOfDay(0); MutableDateTime checking = new MutableDateTime(start); start.setMillisOfDay(0); if (checking.toDateTime().isEqual(today)) { day.setBackground(Colors.SELECTED_BACKGROUND); day.setForeground(Colors.SELECTED_TEXT); } JLabel dayLabel = new JLabel(start.getDayOfMonth() + ""); dayLabel.setHorizontalAlignment(SwingConstants.CENTER); day.setLayout(new GridLayout(1, 1)); day.add(dayLabel); day.setBorder( BorderFactory.createMatteBorder(0, start.getDayOfWeek() % 7 == 0 ? 1 : 0, 1, 1, Colors.BORDER)); day.addMouseListener(new MouseListener() { @Override public void mouseClicked(MouseEvent me) { YearlyDayHolder event = (YearlyDayHolder) (me.getSource()); MainPanel.getInstance().miniMove(event.getDateTime()); MainPanel.getInstance().viewDay(); } @Override public void mouseEntered(MouseEvent me) { // this is just a demo of what it can do } @Override public void mouseExited(MouseEvent me) { } @Override public void mousePressed(MouseEvent me) { // TODO: something? maybe nothing? have to decide with // team/steakholders } @Override public void mouseReleased(MouseEvent me) { YearlyDayHolder event = (YearlyDayHolder) (me.getSource()); MainPanel.getInstance().miniMove(event.getDateTime()); } }); p.add(day); start.addDays(1); } int width = 280; int height = 570; p.setMinimumSize(new Dimension(0, height - 150)); p.setPreferredSize(new Dimension(width, height)); p.setMaximumSize(new Dimension(width + 350, height + 150)); return p; } /** * * inner class that holds the day (and can draw dots if there are events * that day) * */ public class YearlyDayHolder extends JPanel { private static final long serialVersionUID = 1L; private DateTime dt; private Color defaultBackground; /** * * @param dt the date time that this panel represents * @param dayBackground the background color (alternates by month) * @param hasEvent whether to draw the dot signifying an event */ public YearlyDayHolder(DateTime dt, Color dayBackground) { this.dt = dt; this.defaultBackground = dayBackground; this.resetColor(); } /** * resets the color to the default background */ public void resetColor() { this.setBackground(this.defaultBackground); } /** * * @return the date time that this day represents graphically */ public DateTime getDateTime() { return this.dt; } /** * redraw */ public void paintComponent(Graphics g) { super.paintComponent(g); } } // goes to the NEXT YEAR @Override public void next() { this.display(this.calendarStart.toDateTime()); } // goes to the PREVIOUS year @Override public void previous() { MutableDateTime mdt = new MutableDateTime(this.calendarStart); mdt.addYears(-2); this.display(mdt.toDateTime()); } @Override public void display(DateTime newTime) { this.events.clear(); this.drawCalendar(new MutableDateTime(newTime)); MainPanel.getInstance().miniMove(newTime); this.revalidate(); this.repaint(); } @Override public void updateDisplayable(Displayable event, boolean added) { Interval ival = event.getInterval(); MutableDateTime start = new MutableDateTime(ival.getStart()); while (start.isBefore(ival.getEnd())) { if (!added) { int day = start.getDayOfYear(); Integer ec = this.events.get(day); int eventCount = (ec == null || ec <= 0) ? 0 : ec - 1; this.events.put(day, eventCount); } else { int day = start.getDayOfYear(); Integer ec = this.events.get(day); int eventCount = (ec == null) ? 1 : ec + 1; this.events.put(day, eventCount); } start.addDays(1); } } /** * gets all the events for every day that is shown on the calendar, then * adds them to the map of days with events. * * @param from the beginning of the year * @param to the end of the year */ private void getVisibleEvents(DateTime from, DateTime to) { if (this.eventModel == null) { return; } Set<Event> events = this.eventModel.getWithinRange(from, to); for (Event e : events) { this.updateDisplayable(e, true); } } @Override public void select(Displayable item) { } @Override public void setSelectedDay(DateTime time) { } }