tablemodel.java

基于Java的地图数据管理软件。使用MySQL数据库管理系统。

package net.aetherial.gis.surface.editTrackPoint;

import javax.swing.table.AbstractTableModel;
import javax.swing.table.TableColumn;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import net.aetherial.gis.surface.ItemValue;
import java.text.DecimalFormat;
/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2004</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class TableModel extends AbstractTableModel{
  private boolean dataEdit = false;
  //private String[] columnNames = {"序号","经度","纬度","高度","时间","删除"};//same as before...
  //private Object[][] data = {{"1","117.9999","34.8984","2","2005.1.31",new Boolean(true)},{"2","117.43499","35.5484","6","2005.1.31",new Boolean(true)}};//same as before...
  private String[] columnNames = {"里程","经度","纬度","高度"};//same as before...
  private Object[][] data = {{"1","117.9999","34.8984","2"},{"2","117.43499","35.5484","6"}};//same as before...

  public TableModel() {
  }
  public TableModel(int tracks) {
    Node node = ItemValue.getTracksByPos(tracks);
    this.setData(node);
  }
  public TableModel(Node tracks) {
    this.setData(tracks);
  }
  public void setDataEdited(){
    this.dataEdit = true;
  }
  public boolean getDataEdit(){
    return this.dataEdit;
  }
  public void setData(Node node){
    NodeList nl = ItemValue.getTracksPoint(node);
    int row = nl.getLength();
    int column = 6;
    data = new Object[row][column];

    java.text.DecimalFormat format = new DecimalFormat("#.###");
    double temp = 0;
    for(int i = 0;i<row;i++){
      if (i == 0) {
        data[i][0] = format.format(temp);
      }else{
        temp = temp + this.getDis(nl.item(i),nl.item(i-1));
        data[i][0] = format.format(temp);
      }
      data[i][1] = ItemValue.getTracksPointX(nl.item(i));
      data[i][2] = ItemValue.getTracksPointY(nl.item(i));
      data[i][3] = ItemValue.getTracksPointZ(nl.item(i));
      data[i][4] = ItemValue.getTracksPointTime(nl.item(i));
      data[i][5] = new Boolean(false);
    }
  }

  private double getDis(Node thisPoint,Node lastPoint){
    if (thisPoint == null || lastPoint == null) {
      return 0;
    }else{
      return ItemValue.calculateDistanceBetween2Nodes1(thisPoint,
          lastPoint) / 1000;
    }
  }
  public int getColumnCount() {
        return columnNames.length;
    }

    public int getRowCount() {
        return data.length;
    }

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

    public Object getValueAt(int row, int col) {
        return data[row][col];
    }

    public Class getColumnClass(int c) {
        return getValueAt(0, c).getClass();
    }

    /*
     * Don't need to implement this method unless your table's
     * editable.
     */
    public boolean isCellEditable(int row, int col) {
        //Note that the data/cell address is constant,
        //no matter where the cell appears onscreen.
//
//        if (col < 2) {
//            return false;
//        } else {
//            return true;
//        }
        return false;
    }

    /*
     * Don't need to implement this method unless your table's
     * data can change.
     */
    public void setValueAt(Object value, int row, int col) {
        data[row][col] = value;
        fireTableCellUpdated(row, col);
    }

}