measurepanel.java

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/**    
  * Copyright (C) 2006, Laboratorio di Valutazione delle Prestazioni - Politecnico di Milano

  * This program 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 2 of the License, or
  * (at your option) any later version.

  * This program 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, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
  
package jmt.gui.common.panels;

import jmt.gui.common.CommonConstants;
import jmt.gui.common.definitions.ClassDefinition;
import jmt.gui.common.definitions.SimulationDefinition;
import jmt.gui.common.definitions.StationDefinition;
import jmt.gui.common.editors.ImagedComboBoxCellEditorFactory;
import jmt.gui.common.resources.ImageLoader;
import jmt.gui.exact.table.DisabledCellRenderer;
import jmt.gui.exact.table.ExactCellEditor;
import jmt.gui.jsim.editors.ButtonCellEditor;
import jmt.gui.wizard.WizardPanel;

import javax.swing.*;
import javax.swing.border.EmptyBorder;
import javax.swing.event.TableModelEvent;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.TableCellEditor;
import javax.swing.table.TableCellRenderer;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;

/**
 * Created by IntelliJ IDEA.
 * User: orsotronIII
 * Date: 26-lug-2005
 * Time: 16.08.15
 * Modified by Bertoli Marco 29/09/2005, 7-oct-2005
 *                           9-jan-2006  --> ComboBoxCellEditor
 */
public class MeasurePanel extends WizardPanel implements CommonConstants {

    //Interfaces for model data exchange
    protected ClassDefinition classData;

    /**
     * called by the Wizard before when switching to another panel
     */
    public void lostFocus() {
        // Aborts editing of table
        TableCellEditor editor = measureTable.getCellEditor();
        if (editor != null)
            editor.stopCellEditing();
    }

    protected StationDefinition stationData;
    protected SimulationDefinition simData;

    protected WarningScrollTable warningPanel;

    //label containing description of this panel's purpose
    private JLabel descrLabel = new JLabel(MEASURES_DESCRIPTION);

    //table containing measure data
    protected MeasureTable measureTable;

    //button for measure addition
    private JButton addMeasureButton;

    //types of measures selectable
    protected String[] measureTypes = new String[]{
        SimulationDefinition.MEASURE_QL,
        SimulationDefinition.MEASURE_QT,
        SimulationDefinition.MEASURE_RD,
        SimulationDefinition.MEASURE_RP,
        SimulationDefinition.MEASURE_U,
        SimulationDefinition.MEASURE_X,
        SimulationDefinition.MEASURE_S_X,
        SimulationDefinition.MEASURE_S_RP,
        SimulationDefinition.MEASURE_S_CN,
    };

    // Measure selection ComboBox
    protected JComboBox measureSelection = new JComboBox(measureTypes);

    /** Editors and renderers for table */
    protected ImagedComboBoxCellEditorFactory stationsCombos, classesCombos;

    //deletes a measure from list
    protected AbstractAction deleteMeasure = new AbstractAction("") {
            {
                putValue(Action.SHORT_DESCRIPTION, "Deletes this measure");
                putValue(Action.SMALL_ICON, ImageLoader.loadImage("Delete"));
            }

            public void actionPerformed(ActionEvent e) {
                int index = measureTable.getSelectedRow();
                if(index>=0 && index<measureTable.getRowCount())deleteMeasure(index);
            }
        };

    //addition of a class one by one
    protected AbstractAction addMeasure = new AbstractAction("Add selected index") {
        {
            putValue(Action.ACCELERATOR_KEY, KeyStroke.getKeyStroke(KeyEvent.VK_PLUS, ActionEvent.ALT_MASK));
            putValue(Action.SHORT_DESCRIPTION, "Adds a new measure with selected performance index");
        }

        public void actionPerformed(ActionEvent e) {
            addMeasure();
        }
    };


    public MeasurePanel(ClassDefinition classes,
                        StationDefinition stations,
                        SimulationDefinition simParams){
        stationsCombos = new ImagedComboBoxCellEditorFactory(stations);
        classesCombos = new ImagedComboBoxCellEditorFactory(classes);
        classesCombos.setAllowsNull(true);
        setData(classes, stations, simParams);
        initComponents();
    }

    private void initComponents(){
        this.setBorder(new EmptyBorder(20,20,20,20));
        this.setLayout(new BorderLayout(5,5));

        addMeasureButton = new JButton(addMeasure);
        JPanel rightPanel = new JPanel(new BorderLayout(5,5));
        rightPanel.add(addMeasureButton, BorderLayout.SOUTH);
        rightPanel.add(measureSelection, BorderLayout.CENTER);

        measureTable = new MeasureTable();

        JPanel headPanel = new JPanel(new BorderLayout(5,5));
        headPanel.add(descrLabel, BorderLayout.CENTER);
        headPanel.add(rightPanel, BorderLayout.EAST);
        addMeasureButton.setMaximumSize(DIM_BUTTON_M);
        this.add(headPanel, BorderLayout.NORTH);
        warningPanel = new WarningScrollTable(measureTable, WARNING_CLASS_STATION);
        warningPanel.addCheckVector(classData.getClassKeys());
        warningPanel.addCheckVector(stationData.getStationKeysNoSourceSink());
        this.add(warningPanel, BorderLayout.CENTER);
    }

    /**Updates data contained in this panel's components*/
    public void setData(ClassDefinition classes,
                           StationDefinition stations,
                           SimulationDefinition simParams){
        classData = classes;
        stationData = stations;
        simData = simParams;
        stationsCombos.setData(stations);
        classesCombos.setData(classes);
        refreshComponents();
    }

    /**
     * called by the Wizard when the panel becomes active
     */
    public void gotFocus() {
        stationsCombos.clearCache();
        classesCombos.clearCache();
        refreshComponents();
    }

    public void repaint(){
        refreshComponents();
        super.repaint();
    }

    private void refreshComponents(){
        if(measureTable != null){
            measureTable.tableChanged(new TableModelEvent(measureTable.getModel()));
        }
        if (warningPanel != null) {
            warningPanel.clearCheckVectors();
            warningPanel.addCheckVector(classData.getClassKeys());
            warningPanel.addCheckVector(stationData.getStationKeysNoSourceSink());
        }
    }

    private void addMeasure(){
        if(stationData.getStationKeysNoSourceSink().size() == 0 ||
                classData.getClassKeys().size()==0) return;

        simData.addMeasure((String)measureSelection.getSelectedItem(), null, null);
        measureTable.tableChanged(new TableModelEvent(measureTable.getModel()));
    }

    private void deleteMeasure(int index){
        simData.removeMeasure(simData.getMeasureKeys().get(index));
        measureTable.tableChanged(new TableModelEvent(measureTable.getModel()));
    }

    public String getName(){
        return "Performance Indices";
    }

    protected class MeasureTable extends JTable{

        private JButton deleteButton = new JButton(deleteMeasure);

        public MeasureTable(){
            setModel(new MeasureTableModel());
            setRowHeight(ROW_HEIGHT);
            sizeColumns();
            setDefaultEditor(Double.class, new ExactCellEditor());
            setDefaultRenderer(Object.class, new DisabledCellRenderer());
        }

        private void sizeColumns(){
            int[] columnWidths = ((MeasureTableModel)getModel()).columnWidths;
            for(int i=0; i< columnWidths.length; i++){
                int prefWidth = columnWidths[i];
                if(i == columnWidths.length-1){
                    getColumnModel().getColumn(i).setMaxWidth(getRowHeight());
                }else{
                    getColumnModel().getColumn(i).setPreferredWidth(prefWidth);
                }
            }
        }

        public TableCellEditor getCellEditor(int row, int column){
            if(column == 5) return new ButtonCellEditor(deleteButton);
            else if(column == 2) return stationsCombos.getEditor(stationData.getStationKeysNoSourceSink());
            else if(column == 1) return classesCombos.getEditor(classData.getClassKeys());
            else return super.getCellEditor(row, column);
        }

        public TableCellRenderer getCellRenderer(int row, int column){
            if(column==5) return new ButtonCellEditor(deleteButton);
            else if(column == 2 && !simData.isGlobalMeasure(simData.getMeasureKeys().get(row)))
                return stationsCombos.getRenderer();
            else if(column == 1) return classesCombos.getRenderer();
            else return super.getCellRenderer(row, column);
        }


    }

    protected class MeasureTableModel extends AbstractTableModel{

        private String[] columnNames = new String[]{
            "Performance Index", "Class", "Station", "Confidence Interval (0-1)", "Max Relative Error (0-1)", ""
        };
        private Class[] columnClasses = new Class[]{
            String.class, String.class, String.class, Double.class, Double.class, Object.class
        };
        public int[] columnWidths = new int[]{120, 80, 80, 80, 80, 20};


        public int getRowCount() {
            return simData.getMeasureKeys().size();
        }

        public int getColumnCount() {
            return columnNames.length;
        }

        public String getColumnName(int columnIndex) {
            return columnNames[columnIndex];
        }

        public Class getColumnClass(int columnIndex) {
            return columnClasses[columnIndex];
        }

        public boolean isCellEditable(int rowIndex, int columnIndex) {
            // Avoid editing of Measure type
            if (columnIndex == 0)
                return false;
            // Avoid set reference station for global measures
            if (columnIndex == 2 &&
                    simData.isGlobalMeasure(simData.getMeasureKeys().get(rowIndex)))
                return false;
            return true;
        }

        public Object getValueAt(int rowIndex, int columnIndex) {
            Object key = simData.getMeasureKeys().get(rowIndex);
            switch(columnIndex){
                case 0:{
                    return simData.getMeasureType(key);
                }case 1:{
                    return simData.getMeasureClass(key);
                }case 2:{
                    return simData.getMeasureStation(key);
                }case 3:{
                    return simData.getMeasureAlpha(key);
                }case 4:{
                    return simData.getMeasurePrecision(key);
                }
            }return null;
        }

        public void setValueAt(Object aValue, int rowIndex, int columnIndex) {
            Object key = simData.getMeasureKeys().get(rowIndex);
            switch(columnIndex){
                case 0:{
                    simData.setMeasureType((String)aValue, key);
                    break;
                }case 1:{
                    simData.setMeasureClass(aValue, key);
                    break;
                }case 2:{
                    simData.setMeasureStation(aValue, key);
                    break;
                }case 3:{
                    try{
                        String doubleVal = (String)aValue;
                        simData.setMeasureAlpha(Double.valueOf(doubleVal), key);
                        break;
                    }catch(NumberFormatException e){}
                }case 4:{
                    try{
                        String doubleVal = (String)aValue;
                        simData.setMeasurePrecision(Double.valueOf(doubleVal), key);
                        break;
                    }catch(NumberFormatException e){}
                }
            }
        }

    }
}