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Сообщений: 46
Регистрация: 12.5.2006
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Вот код запустите и сами убедитесь: FloatFilter.java | Код |
package HTablePackage;
import javax.swing.text.*;
import javax.swing.*;
public class FloatFilter extends DocumentFilter {
public void replace(FilterBypass fb, int offset, int length, String text, AttributeSet attr)
throws BadLocationException {
StringBuffer sb =new StringBuffer(text);
String str,str1,str2;
str=fb.getDocument().getText(0,fb.getDocument().getLength());
str2=str;
if (offset==str.length()+1)str1=fb.getDocument().getText(0,fb.getDocument().getLength())+text; else{
if(str.substring(0, offset).equals("0")){
super.remove(fb,0,1);
str=fb.getDocument().getText(0,fb.getDocument().getLength());
str1 =text+str.substring(0, offset-1)+str.substring(offset-1, str.length());
offset-=offset;
} else{
str1 = str.substring(0, offset) + text +
str.substring(offset, str.length());
}
}
if (str.length()==0){
str = sb.substring(0, sb.length());
}else {
str=str1;
}
for (int i=sb.length()-1; i>=0; i--){
char ch = sb.charAt(i);
if (!Character.isDigit(ch))
if (ch=='.'){
int p1 =str.indexOf('.');
int p2 =str.lastIndexOf('.');
if (p1!=p2) sb.deleteCharAt(i);
} else sb.deleteCharAt(i);
}
str=sb.toString();
if(str2.equals("0")&&text.equals("."))str=str2+text;
super.replace(fb,offset,length,str,attr);
str=fb.getDocument().getText(0,fb.getDocument().getLength());
if (str.length()==0){
super.insertString(fb,offset,str2,attr);}
}
public void remove (FilterBypass fb, int offset, int length)
throws BadLocationException{
String str, str1;
str=fb.getDocument().getText(0,fb.getDocument().getLength());
super.remove(fb,offset,length);
str1=fb.getDocument().getText(0,fb.getDocument().getLength());
if(str1.equals(".")){
super.remove(fb,0,1);
super.insertString(fb,0,"0",null);
}
if (str1.length()==0)super.insertString(fb,0,"0",null);
}
}
class FormattedTextFieldVerifier extends InputVerifier{
public boolean verify(JComponent component){
JFormattedTextField field =
(JFormattedTextField)component;
return field.isEditValid();
}
}
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TableMain.java | Код |
package HTablePackage;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.table.*;
import java.util.*;
import javax.swing.text.*;
import java.text.*;
import javax.swing.event.*; /**
* <p>Title: </p>
*
* <p>Description: </p>
*
* <p>Copyright: Copyright (c) 2006</p>
*
* <p>Company: </p>
*
* @author not attributable
* @version 1.0
*/
public class TableMain extends JFrame {
ArrayList ALGr1= new ArrayList();
ArrayList ALGrStr = new ArrayList();
JPanel MainPanel = new JPanel();
JFormattedTextField jFTF = new JFormattedTextField( new InternationalFormatter(
NumberFormat.getInstance())
{
protected DocumentFilter getDocumentFilter(){
return filter;
}
private DocumentFilter filter = new FloatFilter();
});
GridBagLayout gridBagLayout1 = new GridBagLayout();
private Object [] zVtv = {"Объем памяти", "tвып.","Объем памяти", "tвып.","Объем памяти", "tвып.","Объем памяти", "tвып.","Объем памяти", "tвып."};
private Object [][] nVtv ={{new Double(10),new Double(5), new Double(20),new Double(3),
new Double(40.2),new Double(2),new Double(15),new Double(25),new Double(23),new Double(21)},
{new Double(12d),new Double(35), new Double(27),new Double(13.987),new Double(29),
new Double(4d),new Double(22),new Double(17),new Double(5),new Double(24)},
{new Double(51d),new Double(25), new Double(23),new Double(13), new Double(21),
new Double(46d),new Double(25d),new Double(20),new Double(21),new Double(29)},
{new Double(12d),new Double(10d), new Double(28),new Double(6), new Double(21),
new Double(35d),new Double(1d),new Double(24),new Double(19),new Double(20)}
};
private String [] ZVtv ={"Центр управления №1","Центр управления №2","Центр управления №3","Центр управления №4"};
DefaultTableModel dtm= new DefaultTableModel(nVtv,zVtv);
String [] gzaglVtv ={"Задание №1","Задание №2","Задание №3","Задание №4","Задание №5"};
JTable jTabVtv;
JScrollPane jScrollPane1;
JButton jButton1 = new JButton();
JButton jButton2 = new JButton();
JPanel jPanel1 = new JPanel();
BorderLayout borderLayout1 = new BorderLayout();
public TableMain() {
try {
jbInit();
} catch (Exception ex) {
ex.printStackTrace();
}
}
public static void main(String [] args){
TableMain MT = new TableMain();
MT.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
MT.setVisible(true);
}
private void jbInit() throws Exception {
setSize(new Dimension(600,300)); setTitle("Иерархическая таблица");
MainPanel.setLayout(gridBagLayout1);
jButton1.setText("ДОБАВИТЬ");
jButton1.addActionListener(new TableMain_jButton1_actionAdapter(this));
jButton1.setMaximumSize(new Dimension(100, 25));
jButton1.setMinimumSize(new Dimension(100, 25));
jButton1.setPreferredSize(new Dimension(100, 25));
jButton2.setMaximumSize(new Dimension(100, 25));
jButton2.setMinimumSize(new Dimension(100, 25));
jButton2.setPreferredSize(new Dimension(100, 25));
jButton2.setText("УДАЛИТЬ");
jButton2.addActionListener(new TableMain_jButton2_actionAdapter(this));
jPanel1.setLayout(borderLayout1);
getContentPane().add(MainPanel);
InitialTable();
}
public void InitialTable(){
jTabVtv= new JTable(dtm);
TableColumnModel columnModel=jTabVtv.getColumnModel();
jTabVtv.setTableHeader(new GroupableTableHeader(columnModel));
jTabVtv.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
jScrollPane1 = new JScrollPane(jTabVtv);
jPanel1.add(jScrollPane1, java.awt.BorderLayout.SOUTH);
MainPanel.add(jPanel1, new GridBagConstraints(0, 0, 1, 5, 1.0, 1.0
, GridBagConstraints.CENTER, GridBagConstraints.BOTH,
new Insets(2, 2, 2, 2), 0, 0));
MainPanel.add(jButton1, new GridBagConstraints(1, 0, 1, 1, 0.0, 0.0
, GridBagConstraints.CENTER, GridBagConstraints.HORIZONTAL,
new Insets(2, 2, 2, 2), 0, 0));
MainPanel.add(jButton2, new GridBagConstraints(1, 1, 1, 1, 0.0, 0.0
, GridBagConstraints.CENTER, GridBagConstraints.HORIZONTAL,
new Insets(2, 2, 2, 2), 0, 0));
jPanel1.add(jScrollPane1);
// jScrollPane1.getViewport().add(jTabVtv);
jTabVtv.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
jTabVtv.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
jTabVtv.getSelectionModel().setSelectionInterval(0,0);
int s2=100;
for (int j = 0; j < jTabVtv.getColumnCount(); j++) {
TableColumnModel CM_T8 = jTabVtv.getColumnModel();
TableColumn ChCol8 = CM_T8.getColumn(j);
if (j%2==0){
ChCol8.setMaxWidth(s2+100);
ChCol8.setMinWidth(s2);
ChCol8.setPreferredWidth(s2);
} ChCol8.setCellEditor(new DefaultCellEditor(jFTF));
}
jTabVtv.repaint();
}
public void jButton1_actionPerformed(ActionEvent e) {
}
public void jButton2_actionPerformed(ActionEvent e) {
}
}
class TableMain_jButton2_actionAdapter implements ActionListener {
private TableMain adaptee;
TableMain_jButton2_actionAdapter(TableMain adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jButton2_actionPerformed(e);
}
}
class TableMain_jButton1_actionAdapter implements ActionListener {
private TableMain adaptee;
TableMain_jButton1_actionAdapter(TableMain adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jButton1_actionPerformed(e);
}
}
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Какое событие необходимо перехватывать чтобы при нажатии кнопки не отсекалась дробная часть? |
События от JButton, Изменение значения таблицы из-за JButton 
Дата 15.8.2006, 23:05 (
Загрузка ...
