source: java/main/src/main/java/com/framsticks/gui/controls/EventControl.java @ 101

package com.framsticks.gui.controls;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;



import com.framsticks.core.Path;
import com.framsticks.core.SideNoteKey;
import com.framsticks.gui.Frame;
import com.framsticks.gui.Gui;
import com.framsticks.gui.table.AbstractTableModel;
import com.framsticks.params.EventListener;
import com.framsticks.params.types.EventParam;
import com.framsticks.util.FramsticksUnsupportedOperationException;
import com.framsticks.util.dispatching.Dispatching;
import com.framsticks.util.dispatching.FutureHandler;
import com.framsticks.util.dispatching.RunAt;
import com.framsticks.util.lang.Pair;

import static com.framsticks.core.TreeOperations.*;

/**
 * @author Piotr Sniegowski
 */
@SuppressWarnings("serial")
public class EventControl extends HistoryControl {
        // private static final Logger log = LogManager.getLogger(EventControl.class.getName());

        @SuppressWarnings("rawtypes")
        protected final SideNoteKey<EventListener> listenerKey = SideNoteKey.make(EventListener.class);

        public static class History {
                protected final List<Pair<Date, Object>> entries = new ArrayList<>();
        };

        protected final SideNoteKey<History> historyKey = SideNoteKey.make(History.class);
        protected TableModel tableModel;

        public EventControl(final EventParam eventParam) {
                super(eventParam);

                mainButton.setText("Subscribe");
                mainButton.setName("subscription");

                tableModel = new TableModel();
                resultsTable.setModel(tableModel);

                mainButton.addActionListener(new ActionListener() {
                        @Override
                        public void actionPerformed(ActionEvent e) {
                                final Path path = assureCurrentPath();
                                EventListener<?> listener = getSideNote(path, listenerKey);
                                if (listener != null) {
                                        removeSideNote(path, listenerKey);
                                        refreshState();
                                        path.getTree().removeListener(path, getParam(), listener, FutureHandler.doNothing(Void.class, owner.getFrame()));
                                        return;
                                }

                                final EventListener<Object> newListener = new EventListener<Object>() {
                                        @Override
                                        public void action(final Object argument) {
                                                /** actions can be invoked from anywhere */
                                                Dispatching.dispatchIfNotActive(owner.getFrame(), new RunAt<Frame>(owner.getFrame()) {

                                                        @Override
                                                        protected void runAt() {
                                                                getOrCreateSideNote(path.getTree(), path.getTopObject(), historyKey).entries.add(Pair.make(new Date(), argument));
                                                                refreshTable();
                                                        }
                                                });
                                                // owner.getFrame().getStatusBar().showInfo("event " + param + " happened: " + argument);
                                        }
                                };

                                path.getTree().addListener(path, getParam(), newListener, Object.class, new FutureHandler<Void>(owner.getFrame()) {

                                        @Override
                                        protected void result(Void result) {
                                                putSideNote(path, listenerKey, newListener);
                                                refreshState();
                                        }
                                });

                        }
                });

                updateFoldState();
                Gui.setupTitledControl(this, controlRow, resultsScrollPane);
        }

        @Override
        protected void updateEnabled(boolean enabled) {
                mainButton.setEnabled(enabled);
        }

        public boolean isListening() {
                return hasSideNote(getCurrentPath(), listenerKey);
        }

        protected void refreshButtonState() {
                mainButton.setText(isListening() ? "Don't listen" : "Listen");
        }

        @Override
        protected void refreshTable() {
                History history = getSideNote(assureCurrentPath(), historyKey);
                tableModel.entries = history != null ? history.entries : null;
                tableModel.refreshAll();
        }

        @Override
        protected void clearTable() {
                History history = getSideNote(assureCurrentPath(), historyKey);
                if (history != null) {
                        history.entries.clear();
                }
                refreshTable();
        }

        public void refreshState() {
                refreshButtonState();
                refreshTable();
        }

        @Override
        public EventParam getParam() {
                return (EventParam) param;
        }


        public class TableModel extends AbstractTableModel {

                List<Pair<Date, Object>> entries;
                SimpleDateFormat format = new SimpleDateFormat("HH:mm:ss:SSS");

                @Override
                public Class<?> getColumnClass(int columnIndex) {
                        return String.class;
                }

                @Override
                public int getColumnCount() {
                        return 2;
                }

                @Override
                public String getColumnName(int columnIndex) {
                        return columnIndex == 0 ? "Occured at" : "Argument";
                }

                @Override
                public int getRowCount() {
                        if (entries == null) {
                                return 0;
                        }
                        if (isFolded()) {
                                return entries.isEmpty() ? 0 : 1;
                        }
                        return entries.size();
                }

                @Override
                public Object getValueAt(int rowIndex, int columnIndex) {
                        if (entries == null) {
                                return null;
                        }
                        Pair<Date, Object> entry;
                        if (isFolded()) {
                                if (rowIndex > 0) {
                                        return null;
                                }
                                if (entries.isEmpty()) {
                                        return null;
                                }
                                entry = entries.get(entries.size() - 1);
                        } else {
                                entry = entries.get(rowIndex);
                        }
                        return columnIndex == 0 ? format.format(entry.first) : entry.second;
                }

                @Override
                public boolean isCellEditable(int rowIndex, int columnIndex) {
                        return false;
                }

                @Override
                public void setValueAt(Object value, int rowIndex, int columnIndex) {
                        throw new FramsticksUnsupportedOperationException().msg("setting value in event history");
                }


        }
}