Java tutorial
/* *------------------- * The CalendarH.java is part of ASH Viewer *------------------- * * ASH Viewer 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. * * ASH Viewer 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 ASH Viewer. If not, see <http://www.gnu.org/licenses/>. * * Copyright (c) 2009, Alex Kardapolov, All rights reserved. * */ package org.ash.history; import java.awt.BorderLayout; import java.awt.Color; import java.awt.Dimension; import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.util.Calendar; import javax.swing.JButton; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JPanel; import org.ash.history.period.DateSpan; import org.ash.history.period.JXMonthView; import org.ash.util.Options; import org.joda.time.DateTime; import org.joda.time.Days; import org.joda.time.Interval; import org.joda.time.Period; public class CalendarH extends JPanel { private static final long serialVersionUID = 1L; private String envDir; private MainPreview mainPreview; private ASHDatabaseH databaseHistory; private JXMonthView monthView; private JButton jButtonSelect; private JButton jButtonDelete; private JPanel controlPanel = new JPanel(new BorderLayout()); private JPanel subControlpanel = new JPanel(new GridLayout(1, 3)); boolean noData = false; private long startBDB; private long endBDB; private long startSelection; private long endSelection; /** * Constructor * @param envDir */ public CalendarH(String envDir, MainPreview mainPreview) { // Set reference to MainPreview this.mainPreview = mainPreview; // set environment directory this.envDir = envDir; // set layout manager this.setLayout(new BorderLayout()); // initialize BDB try { databaseHistory = new ASHDatabaseH(); databaseHistory.initialize(envDir); } catch (Exception e) { e.printStackTrace(); } setStartEndFromBDB(); controlPanel = new JPanel(new BorderLayout()); subControlpanel = new JPanel(new GridLayout(1, 3)); // JButton's initialize jButtonSelect = new JButton("Select"); jButtonSelect.setPreferredSize(new Dimension(40, 20)); jButtonSelect.setToolTipText("Select data"); jButtonSelect.setEnabled(false); jButtonDelete = new JButton("Delete"); jButtonDelete.setPreferredSize(new Dimension(40, 20)); jButtonDelete.setToolTipText("Delete data"); jButtonDelete.setEnabled(false); // Add action listeners to buttons ActionListener selActionListener = new SelectActionListener(); jButtonSelect.addActionListener(selActionListener); ActionListener delActionListener = new DeleteActionListener(); jButtonDelete.addActionListener(delActionListener); // Calendar initialize monthView = new JXMonthView(); monthView.setFirstDayOfWeek(Calendar.MONDAY); monthView.setSelectionMode(JXMonthView.MULTIPLE_SELECTION); monthView.setFlaggedDates(getFraggedDays(startBDB, endBDB)); monthView.setFirstDisplayedDate(startBDB); monthView.setDayForeground(Calendar.SATURDAY, Color.RED); monthView.setDayForeground(Calendar.SUNDAY, Color.RED); monthView.setToolTipText(getCalendarTooltip(databaseHistory)); monthView.addActionListener(new ActionListenerMonthView(jButtonSelect, jButtonDelete)); // Add calendar and buttons subControlpanel.add(jButtonSelect); subControlpanel.add(jButtonDelete); controlPanel.add(subControlpanel, BorderLayout.CENTER); add(monthView, BorderLayout.CENTER); add(controlPanel, BorderLayout.SOUTH); // Set current profile flag if (Options.getInstance().getEnvDir().trim().equalsIgnoreCase(envDir.trim())) { Options.getInstance().setCurrentProfile(true); } else { Options.getInstance().setCurrentProfile(false); } // If no data on BDB if (noData) { removeNoData(); } } /** * Action listener for select button */ public class SelectActionListener implements ActionListener { public void actionPerformed(ActionEvent e) { long startTmp = getStartSelectionPlus0000(); long endTmp = getEndSelectionPlus2659(); mainPreview.loadPreviewChartRun(startTmp, endTmp); } } /** * Action listener for delete button */ public class DeleteActionListener implements ActionListener { public void actionPerformed(ActionEvent e) { boolean isDelAllDataTmp = isDeleteAllData(); long startTmp = getStartSelectionPlus0000(); long endTmp = getEndSelectionPlus2659(); deleteActionsAllData(startTmp, endTmp, isDelAllDataTmp); } } /** * Delete actions for DeleteActionListener * * @param startTmp * @param endTmp * @param isDelAllDataTmp */ private void deleteActionsAllData(long startTmp, long endTmp, boolean isDelAllDataTmp) { if (isDelAllDataTmp) { if (!Options.getInstance().getEnvDir().trim().equalsIgnoreCase(envDir.trim())) { if (JOptionPane.showConfirmDialog(this, Options.getInstance().getResource("delete all data?"), Options.getInstance().getResource("attention"), JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE) == 0) { monthView.setEnabled(false); jButtonSelect.setEnabled(false); jButtonDelete.setEnabled(false); mainPreview.addListener(this); mainPreview.deleteAndClearBDBLogsRun(startTmp, endTmp, envDir, isDelAllDataTmp); } } else { JOptionPane.showConfirmDialog(this, Options.getInstance().getResource("cant delete all data"), Options.getInstance().getResource("attention"), JOptionPane.CLOSED_OPTION, JOptionPane.ERROR_MESSAGE); } } else { if (JOptionPane.showConfirmDialog(this, Options.getInstance().getResource("delete data?"), Options.getInstance().getResource("attention"), JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE) == 0) { monthView.setSelectionMode(JXMonthView.NO_SELECTION); jButtonSelect.setEnabled(false); jButtonDelete.setEnabled(false); mainPreview.addListener(this); mainPreview.deleteAndClearBDBLogsRun(startTmp, endTmp, envDir, isDelAllDataTmp); } } } /** * Remove all and add JLabel <<no data>> */ public void removeNoData() { removeAll(); add(new JLabel(" No data "), BorderLayout.CENTER); } /** * Update calendar after delete actions * */ public void updateCalendarAfterDeleteActions() { monthView.setSelectionMode(JXMonthView.MULTIPLE_SELECTION); setStartEndFromBDB(); monthView.setFlaggedDates(getFraggedDays(startBDB, endBDB)); } /** * Return flag: is user select delete all data. * * @return */ boolean isDeleteAllData() { boolean out = false; if ((getStartSelection() <= getStartBDB()) && (getEndSelectionPlus2659() >= getEndBDB())) { out = true; } return out; } /** * Gets the start value of time selection * * @return the value */ long getStartSelectionPlus0000() { DateTime startDaySelect = new DateTime(getStartSelection()); if (startDaySelect.getMillis() > getStartBDB()) { return startDaySelect.getMillis(); } else { return getStartBDB(); } } /** * Gets the end value of time selection * * @return the value */ long getEndSelectionPlus2659() { DateTime endDaySelect = new DateTime(getEndSelection()); DateTime endDaySelectPlus2659 = new DateTime(endDaySelect.getYear(), endDaySelect.getMonthOfYear(), endDaySelect.getDayOfMonth(), 23, 59, 59, 999); if (endDaySelectPlus2659.getMillis() < getEndBDB()) { return endDaySelectPlus2659.getMillis(); } else { return getEndBDB(); } } /** * Action listener for calendar */ private final class ActionListenerMonthView implements ActionListener { private final JButton buttonSelect; private final JButton buttonDelete; private ActionListenerMonthView(JButton buttonSelect, JButton buttonDelete) { this.buttonSelect = buttonSelect; this.buttonDelete = buttonDelete; } public void actionPerformed(ActionEvent e) { DateSpan dateSpanFromCalendar = ((JXMonthView) e.getSource()).getSelectedDateSpan(); DateSpan dateSpanBeginEndBDB = new DateSpan(startBDB, endBDB); setStartSelection(dateSpanFromCalendar.getStart()); setEndSelection(dateSpanFromCalendar.getEnd()); DateTime startDayBDB = new DateTime(startBDB); DateTime startBDBPlus0000 = new DateTime(startDayBDB.getYear(), startDayBDB.getMonthOfYear(), startDayBDB.getDayOfMonth(), 0, 0, 0, 0); DateTime startBDBPlus2359 = new DateTime(startDayBDB.getYear(), startDayBDB.getMonthOfYear(), startDayBDB.getDayOfMonth(), 23, 59, 59, 999); DateTime endDayCalendar = new DateTime(dateSpanFromCalendar.getEnd()); DateTime endCalendarPlus2359 = new DateTime(endDayCalendar.getYear(), endDayCalendar.getMonthOfYear(), endDayCalendar.getDayOfMonth(), 23, 59, 59, 999); // enable jButtonSelect if (dateSpanBeginEndBDB.intersects(dateSpanFromCalendar.getStart(), endCalendarPlus2359.getMillis())) { buttonSelect.setEnabled(true); } else { buttonSelect.setEnabled(false); } // enable jButtonDelete if (dateSpanFromCalendar.intersects(startBDBPlus0000.getMillis(), startBDBPlus2359.getMillis())) { buttonDelete.setEnabled(true); } else { buttonDelete.setEnabled(false); } } } /** * Get fragged days for Calendar. * * @param begin0 * @param end0 * @return */ private long[] getFraggedDays(long begin0, long end0) { DateTime begin = new DateTime(begin0); DateTime end = new DateTime(end0); DateTime beginTmp = new DateTime(begin); DateTime beginDayPlus0000 = new DateTime(beginTmp.getYear(), beginTmp.getMonthOfYear(), beginTmp.getDayOfMonth(), 0, 0, 0, 0); DateTime endTmp = new DateTime(end); DateTime endPlus2359 = new DateTime(endTmp.getYear(), endTmp.getMonthOfYear(), endTmp.getDayOfMonth(), 23, 59, 59, 999); Interval interval = new Interval(beginDayPlus0000, endPlus2359); Days days = Days.daysIn(interval); int daysBetween = days.getDays(); long[] flaggedDates = new long[daysBetween + 1]; DateTime tmp = new DateTime(begin); // Load days. for (int i = 0; i <= daysBetween; i++) { DateTime tmp1 = tmp.plusDays(i); flaggedDates[i] = tmp1.getMillis(); } return flaggedDates; } /** * set start/end period from BDB */ private void setStartEndFromBDB() { try { double beginTmp = databaseHistory.getMaxMinTimePeriod(1); double endTmp = databaseHistory.getMaxMinTimePeriod(0); this.setStartBDB((long) beginTmp); this.setEndBDB((long) endTmp); } catch (Exception e) { System.out.println("Error on databaseHistory.getMaxMinTimePeriod(0/1) --- CalendarH"); noData = true; } } /** * Get Title from BDB * * @param databaseHistory * @return */ private String getCalendarTooltip(ASHDatabaseH databaseHistory) { String tmpValue = "<html>" + "<b> Preivew: </b> <p> " + " " + "DB version: " + "<I>" + databaseHistory.getParameter("ASH.version") + "</I>" + " <br>" + " " + "Profile name: " + "<I>" + databaseHistory.getParameter("ASH.name") + "</I>" + " <br>" + " " + "Host: " + "<I>" + databaseHistory.getParameter("ASH.host") + "</I>" + " <br>" + " " + "Port: " + "<I>" + databaseHistory.getParameter("ASH.port") + "</I>" + " <br>" + " " + "SID: " + "<I>" + databaseHistory.getParameter("ASH.sid") + "</I>" + " <br>" + " " + "Username: " + "<I>" + databaseHistory.getParameter("ASH.username") + "</I>" + " <br>" + "<b> Period: </b> <p>" + " " + getPeriodBDB() + "</html>"; return tmpValue; } /** * Get period between start and end date from BDB * * @return */ private String getPeriodBDB() { String out = ""; DateTime start = new DateTime(getStartBDB()); DateTime end = new DateTime(getEndBDB()); Period period = new Period(start, end); if (period.getMonths() > 0) out = period.getMonths() + " month(s) "; if (period.getDays() > 0) out = out + period.getDays() + " day(s) "; if (period.getHours() > 0) out = out + period.getHours() + " hour(s) "; if (period.getMinutes() > 0) out = out + period.getMinutes() + " minute(s) "; return out; } /** * @return the noData */ public boolean isNoData() { return noData; } /** * @return the startBDB */ public long getStartBDB() { return startBDB; } /** * @return the endBDB */ public long getEndBDB() { return endBDB; } /** * @return the startSelection */ public long getStartSelection() { return startSelection; } /** * @return the endSelection */ public long getEndSelection() { return endSelection; } /** * @param noData the noData to set */ public void setNoData(boolean noData) { this.noData = noData; } /** * @param startBDB the startBDB to set */ public void setStartBDB(long startBDB) { this.startBDB = startBDB; } /** * @param endBDB the endBDB to set */ public void setEndBDB(long endBDB) { this.endBDB = endBDB; } /** * @param startSelection the startSelection to set */ public void setStartSelection(long startSelection) { this.startSelection = startSelection; } /** * @param endSelection the endSelection to set */ public void setEndSelection(long endSelection) { this.endSelection = endSelection; } /** * @return the databaseHistory */ public ASHDatabaseH getDatabaseHistory() { return databaseHistory; } }