routingsectionpanel.java

一个用于排队系统仿真的开源软件,有非常形象的图象仿真过程!

/**    
  * 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.StationDefinition;
import jmt.gui.common.editors.ComboBoxCellEditor;
import jmt.gui.common.editors.RoutingProbabilitiesEditor;
import jmt.gui.common.editors.ImagedComboBoxCellEditorFactory;
import jmt.gui.common.routingStrategies.ProbabilityRouting;
import jmt.gui.common.routingStrategies.RoutingStrategy;
import jmt.gui.wizard.WizardPanel;

import javax.swing.*;
import javax.swing.border.EmptyBorder;
import javax.swing.border.EtchedBorder;
import javax.swing.border.TitledBorder;
import javax.swing.event.ListSelectionEvent;
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.util.Vector;

/**
 * Created by IntelliJ IDEA.
 * User: orsotronIII
 * Date: 8-lug-2005
 * Time: 10.20.54
 * Modified by Bertoli Marco 7-oct-2005
 *                           9-jan-2006  --> ComboBoxCellEditor
 */
public class RoutingSectionPanel extends WizardPanel implements CommonConstants {

    private StationDefinition stationData;
    private ClassDefinition classData;
    private Object stationKey;
    private JSplitPane mainPanel;

    private RoutingSelectionTable routingStrategies;
    private RoutingProbabilitiesEditor routingProbEditor;

    /** Used to display classes with icon */
    protected ImagedComboBoxCellEditorFactory classEditor;

    public RoutingSectionPanel(StationDefinition sd, ClassDefinition cd, Object stationKey){
        classEditor = new ImagedComboBoxCellEditorFactory(cd);
        setData(sd, cd, stationKey);
        routingStrategies = new RoutingSelectionTable();
        routingProbEditor = new RoutingProbabilitiesEditor(stationData,
                stationKey,
                null);
        initComponents();
    }

    public void setData(StationDefinition sd, ClassDefinition cd, Object stationKey){
        stationData = sd;
        classData = cd;
        this.stationKey = stationKey;
        classEditor.setData(cd);
        if(routingStrategies!=null){
            routingStrategies.tableChanged(
                    new TableModelEvent(routingStrategies.getModel())
            );
        }
    }

    //Francesco D'Aquino
        public void setSelectedClass(Object classKey) {
            Vector temp = classData.getClassKeys();
            int i;
            for (i=0; i<temp.size(); i++) {
                if (temp.get(i) == classKey) break;
            }
            routingStrategies.setRowSelectionInterval(i,i);
        }

    protected void initComponents(){
        this.setLayout(new BorderLayout());
        //building mainPanel
        mainPanel = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT);
        mainPanel.setDividerSize(4);
        mainPanel.setBorder(new EmptyBorder(5,5,5,5));
        //layout of main panel
        WarningScrollTable jsp = new WarningScrollTable(routingStrategies, WARNING_CLASS);
        //routing strategy selector on the left, routing probabilities editor on the right
        jsp.setBorder(new TitledBorder(new EtchedBorder(), "Routing Strategies"));
        mainPanel.setResizeWeight(.80); // Gives more space to left component
        jsp.setMinimumSize(new Dimension(180, 100));
        mainPanel.setLeftComponent(jsp);
        routingProbEditor.setMinimumSize(new Dimension(160,100));
        mainPanel.setRightComponent(routingProbEditor);
        add(mainPanel, BorderLayout.CENTER);
    }

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

    /**
     * called by the Wizard when the panel becomes active
     */
    public void gotFocus() {
        classEditor.clearCache();
        // Select first routing strategy
        if (routingStrategies != null && routingStrategies.getRowCount() > 0)
            routingStrategies.setRowSelectionInterval(0,0);
    }

    /**
     * @return the panel's name
     */
    public String getName() {
        return "Routing Section";
    }

    protected class RoutingSelectionTable extends JTable{
        public RoutingSelectionTable(){
            super();
            setModel(new RoutingSelectionTableModel());
            sizeColumns();
            setRowHeight(18);
        }

        public TableCellEditor getCellEditor(int row, int column){
            if(column==1){
                return ComboBoxCellEditor.getEditorInstance(RoutingStrategy.findAll());
            }else return super.getCellEditor(row, column);
        }

        public TableCellRenderer getCellRenderer(int row, int column){
            if (column == 0)
                return classEditor.getRenderer();
            else if(column==1){
                return ComboBoxCellEditor.getRendererInstance();
            }else return super.getCellRenderer(row, column);
        }


        private void sizeColumns(){
            int[] columnSizes = ((RoutingSelectionTableModel)getModel()).columnSizes;
            for(int i=0; i< columnSizes.length; i++){
                getColumnModel().getColumn(i).setPreferredWidth(columnSizes[i]);
            }
        }



        public void valueChanged(ListSelectionEvent e){
            super.valueChanged(e);
            int row = getSelectedRow();
            if(row != -1){
                if(routingProbEditor!=null){
                    routingProbEditor.stopEditing();
                    routingProbEditor.setData(stationData,
                            stationKey,
                            classData.getClassKeys().get(row));
                    RoutingSectionPanel.this.doLayout();
                    RoutingSectionPanel.this.repaint();
                }
            }
        }

    }

    protected class RoutingSelectionTableModel extends AbstractTableModel{

        private String[] columnNames = new String[]{"Class", "Routing Strategy"};
        public int[] columnSizes = new int[]{70, 100};
        private Class[] columnClasses = new Class[]{String.class, Object.class};

        public int getRowCount() {
                return classData.getClassKeys().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) {
            return columnIndex == 1;
        }

        public Object getValueAt(int rowIndex, int columnIndex) {
            Object key = indexToKey(rowIndex);
            if(columnIndex == 0){
                return key;
            }else if(columnIndex == 1){
                return stationData.getRoutingStrategy(stationKey, key);
            }else return null;
        }

        public void setValueAt(Object aValue, int rowIndex, int columnIndex){
            if(columnIndex == 1){
                Object classKey = indexToKey(rowIndex);
                Object value = aValue;
                if(aValue instanceof ProbabilityRouting){
                    value = ((ProbabilityRouting)aValue).clone();
                }
                if(!value.equals(stationData.getRoutingStrategy(stationKey, classKey))){
                    stationData.setRoutingStrategy(stationKey, classKey, value);
                }
                routingProbEditor.setData(stationData, stationKey, classKey);
                doLayout();
                repaint();
                RoutingSectionPanel.this.doLayout();
            }
        }

        private Object indexToKey(int index){
                return classData.getClassKeys().get(index);
        }
    }
}