tableforces.java

平面三角形有限元程序

/*
 * TableForces.java
 *
 * Created on 3. Dezember 2002, 15:03
 */

/**
 *
 * @author  Christian Uhde
 */
import javax.swing.*;
import javax.swing.table.*;
import java.util.*;
import java.awt.*;
import java.awt.event.*;

public class TableForces extends JPanel {
    Vector data;
    DefaultTableModel tm;
    JTable jt;

    /** Creates a new instance of TableForces */
    public TableForces() {
        setLayout(new BorderLayout());

        // Create panel for the table 
        JPanel jPanelCenter = new JPanel();
        jPanelCenter.setLayout(new BorderLayout());
//        jPanelCenter.setPreferredSize(new Dimension(500, 200));
//        jPanelCenter.setMinimumSize(new Dimension(300, 200));
        add(jPanelCenter, BorderLayout.CENTER);
        
        // Create panel for the buttons
        JPanel jPanelBottom = new JPanel();
        jPanelBottom.setLayout(new FlowLayout(FlowLayout.RIGHT));
        
        JButton jButtonAddRow = new JButton();
        jButtonAddRow.setText("Add row");
        jButtonAddRow.addActionListener(
            new ActionListener() {
                public void actionPerformed(ActionEvent evt) {
                    insertRow();
                }
            }
        );
        jPanelBottom.add(jButtonAddRow);

        JButton jButtonDelRow = new JButton();        
        jButtonDelRow.setText("Delete row");
        jButtonDelRow.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent evt) {
                delRow(jt.getSelectedRow());
            }
        });
        jPanelBottom.add(jButtonDelRow);
       
        add(jPanelBottom, BorderLayout.SOUTH);

        Vector headers = new Vector();
        headers.add("node");
        headers.add("ngen");
        headers.add("1-dof");
        headers.add("2-dof");
        headers.add("3-dof");
        
        TableColumnModel rowHeaderModel = new DefaultTableColumnModel() {};
        // tablemodel and table
        tm = new DefaultTableModel(headers,0);
        jt = new JTable(tm);
        jt.setColumnSelectionAllowed(false);
        // Add table for rowheaders
        JTable headerColumn = new JTable(tm, rowHeaderModel);        
        // Sync the selectionmodel of table with rowheaders 
        jt.setSelectionModel(headerColumn.getSelectionModel());
        
        headerColumn.setColumnSelectionAllowed(false);
        headerColumn.setCellSelectionEnabled(false);
        // Add a viewport to display rowheaders
        JViewport jv = new JViewport();
        jv.setView(headerColumn);
        jv.setPreferredSize(headerColumn.getMaximumSize());
        // 
        jt.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
        headerColumn.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
        
                
        JScrollPane jsp = new JScrollPane(jt);
        jsp.setRowHeader(jv);
        
        jPanelCenter.add(jsp);
    }
    
    /** insert a row at below selected row */
    public void insertRow() {
        Vector v = new Vector();
        v.add(new Integer(0));
        v.add(new Integer(0));
        v.add(new Integer(0));
        v.add(new Integer(0));
        v.add(new Integer(0));
        int row = jt.getSelectedRow();
        if(row < 0) {
            row = tm.getRowCount();
        }
        tm.insertRow(row, v);
    }
    /** delete selected row */
    public void delRow(int i) {
        if(i >=- 0) {
           tm.removeRow(i);
        }
    }
    /** print selected row */
    public String getRow(int i) {
        return(jt.getValueAt(i, 0) + " "+ jt.getValueAt(i, 1) + " " + jt.getValueAt(i, 2)+ " " + jt.getValueAt(i, 3)+ " " + jt.getValueAt(i, 4));
    }
    
    public String writeFeapFile() {
        String output = new String("");;
        for (int i=0; i< jt.getRowCount(); i++) {
            output += getRow(i) + "\n";
        }
        return(output);
    }


}