Java 箭头键在自定义搜索组件中不起作用
我正在开发一个自定义搜索组件。单击文本字段内的按钮(搜索图像图标)时,将显示一个表格。代码处于非常初级的阶段,所以很多东西都不存在 到目前为止,我被卡住了,因为我无法用箭头键导航表格。一旦我在表格中选择了一行,我也无法使用“tab”键移动到下一个文本字段 该组件的目标是从表中选择一行,然后在支持方法(尚未写入)的帮助下,来自其他标签和文本字段的值将被默认,而它所附加的文本字段中的第一列值将被默认 非常感谢你的帮助。谢谢Java 箭头键在自定义搜索组件中不起作用,java,swing,jtable,jbutton,tablerowsorter,Java,Swing,Jtable,Jbutton,Tablerowsorter,我正在开发一个自定义搜索组件。单击文本字段内的按钮(搜索图像图标)时,将显示一个表格。代码处于非常初级的阶段,所以很多东西都不存在 到目前为止,我被卡住了,因为我无法用箭头键导航表格。一旦我在表格中选择了一行,我也无法使用“tab”键移动到下一个文本字段 该组件的目标是从表中选择一行,然后在支持方法(尚未写入)的帮助下,来自其他标签和文本字段的值将被默认,而它所附加的文本字段中的第一列值将被默认 非常感谢你的帮助。谢谢 package myTableCombo; import java
package myTableCombo;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.Point;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.JWindow;
import javax.swing.ListSelectionModel;
import javax.swing.RowFilter;
import javax.swing.ScrollPaneConstants;
import javax.swing.SwingConstants;
import javax.swing.WindowConstants;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
import javax.swing.plaf.basic.BasicArrowButton;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableRowSorter;
import javax.swing.text.BadLocationException;
import javax.swing.text.Document;
public class SearchBox extends JPanel {
private static final long serialVersionUID = 1L;
private JTextField editor;
private JButton arrowButton;
private JWindow jWindow;
private Component userComponent;
public SearchBox() {
super(new FlowLayout(FlowLayout.LEFT, 0, 0));
editor = new JTextField();
editor.setPreferredSize(new Dimension(250, 25));
initialize();
addListeners();
setBorders();
}
private void addListeners() {
arrowButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
showWindow();
}
});
}
protected void showWindow() {
if (null != getWindowComponent()) {
jWindow = new JWindow();
jWindow.getContentPane().add(getWindowComponent());
jWindow.setLocation(new Point(SearchBox.this.getLocationOnScreen().x, SearchBox.this.getLocationOnScreen().y + 25));
jWindow.pack();
jWindow.setVisible(true);
}
}
private Component getWindowComponent() {
return userComponent;
}
public void setWindowComponent(Component component) {
userComponent = component;
}
private void initialize() {
arrowButton = new BasicArrowButton(SwingConstants.SOUTH);//In my code there is an icon here
arrowButton.setBorder(null);
arrowButton.setContentAreaFilled(false);
}
private void setBorders() {
add(editor);
add(arrowButton);
setBackground(editor.getBackground());
setBorder(editor.getBorder());
editor.setBorder(null);
}
public JTextField getTextComponent() {
return editor;
}
public JButton getActionButton() {
return arrowButton;
}
public static void main(String args[]) {
EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
createAndShowGUI();
}
});
}
protected static void createAndShowGUI() {
JFrame frame = new JFrame();
JPanel panel = new JPanel();
frame.setPreferredSize(new Dimension(500, 400));
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
panel.add(new JLabel("Test Table Combo"));
SearchBox searchBox = new SearchBox();
searchBox.userComponent = searchBox.new SearchBoxTable();
panel.add(searchBox);
frame.getContentPane().add(panel);
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
private class SearchBoxTable extends JScrollPane implements DocumentListener {
private static final long serialVersionUID = 1L;
private JTable table;
private Object[] columnNames;
private DefaultTableModel tableModel;
private Object[][] sheetDataInString;
private TableRowSorter<DefaultTableModel> rowSorter;
public SearchBoxTable() {
columnNames = new Object[]{"Column 1", "Column 2", "Column 3", "Column 4", "Column 5", "Column 6"};
sheetDataInString = new Object[21][6];
for(int i =0; i < sheetDataInString.length; i++) {
for(int j = 0; j< 6; j++) {
sheetDataInString[i][j] = "Row Value : " + i + ", Column Value : " + j;
}
}
tableModel = new DefaultTableModel(sheetDataInString, columnNames) {
private static final long serialVersionUID = 1L;
@Override
public boolean isCellEditable(int row, int column) {
return false;
}
};
rowSorter = new TableRowSorter<DefaultTableModel>(tableModel);
table = new JTable(tableModel);
table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
table.setAutoCreateRowSorter(true);
table.setFillsViewportHeight(true);
table.getTableHeader().setFont(new Font(null, Font.PLAIN, 13));
setPreferredSize(new Dimension(500, 225));
setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
getViewport().add(table);
}
@Override
public void changedUpdate(DocumentEvent e) {
newFilter(e);
}
@Override
public void insertUpdate(DocumentEvent e) {
newFilter(e);
}
@Override
public void removeUpdate(DocumentEvent e) {
newFilter(e);
}
/**
* Update the row filter regular expression from the expression/string/data in the text box.
*
* @param documentEvent
*/
private void newFilter(DocumentEvent documentEvent) {
RowFilter<DefaultTableModel, Object> rowFilter = null;
Document document = documentEvent.getDocument();
String filterText;
try {
filterText = document.getText(0, document.getLength()).trim();
rowFilter = RowFilter.regexFilter("(?i)" + filterText);
} catch (java.util.regex.PatternSyntaxException e) {
return;
} catch (BadLocationException badLocationException) {
return;
}
rowSorter.setRowFilter(rowFilter);
table.setRowSorter(rowSorter);
}
}
}
包myTableCombo;
导入java.awt.Component;
导入java.awt.Dimension;
导入java.awt.EventQueue;
导入java.awt.FlowLayout;
导入java.awt.Font;
导入java.awt.Point;
导入java.awt.event.ActionEvent;
导入java.awt.event.ActionListener;
导入javax.swing.JButton;
导入javax.swing.JFrame;
导入javax.swing.JLabel;
导入javax.swing.JPanel;
导入javax.swing.JScrollPane;
导入javax.swing.JTable;
导入javax.swing.JTextField;
导入javax.swing.JWindow;
导入javax.swing.ListSelectionModel;
导入javax.swing.RowFilter;
导入javax.swing.ScrollPaneConstants;
导入javax.swing.SwingConstants;
导入javax.swing.WindowConstants;
导入javax.swing.event.DocumentEvent;
导入javax.swing.event.DocumentListener;
导入javax.swing.plaf.basic.BasicArrowButton;
导入javax.swing.table.DefaultTableModel;
导入javax.swing.table.TableRowSorter;
导入javax.swing.text.BadLocationException;
导入javax.swing.text.Document;
公共类搜索框扩展了JPanel{
私有静态最终长serialVersionUID=1L;
私有JTextField编辑器;
私有JButton箭头按钮;
私人窗口;
私有组件用户组件;
公共搜索框(){
super(新的FlowLayout(FlowLayout.LEFT,0,0));
编辑器=新的JTextField();
编辑器.setPreferredSize(新维度(250,25));
初始化();
addListeners();
订单号();
}
私有void addListeners(){
addActionListener(新ActionListener(){
已执行的公共无效操作(操作事件e){
showWindow();
}
});
}
受保护的void showWindow(){
如果(null!=getWindowComponent()){
jWindow=新的jWindow();
jWindow.getContentPane().add(getWindowComponent());
jWindow.setLocation(新点(SearchBox.this.getLocationOnScreen().x,SearchBox.this.getLocationOnScreen().y+25));
jWindow.pack();
jWindow.setVisible(true);
}
}
私有组件getWindowComponent(){
返回用户组件;
}
public void setWindowComponent(组件组件){
userComponent=组件;
}
私有void初始化(){
arrowButton=newbasicarrowbutton(SwingConstants.SOUTH);//在我的代码中,这里有一个图标
箭头按钮。设置顺序(空);
箭头按钮。setContentAreaFilled(假);
}
私人命令(){
添加(编辑);
添加(箭头按钮);
setBackground(editor.getBackground());
setboorder(editor.getBorder());
编辑顺序(空);
}
公共JTextField getTextComponent(){
返回编辑器;
}
公共JButton getActionButton(){
返回箭头按钮;
}
公共静态void main(字符串参数[]){
invokeLater(新的Runnable(){
@凌驾
公开募捐{
createAndShowGUI();
}
});
}
受保护的静态void createAndShowGUI(){
JFrame=新JFrame();
JPanel面板=新的JPanel();
frame.setPreferredSize(新尺寸(500400));
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
添加(新JLabel(“测试表组合”);
SearchBox SearchBox=新建SearchBox();
searchBox.userComponent=searchBox.new SearchBoxTable();
面板。添加(搜索框);
frame.getContentPane().add(面板);
frame.pack();
frame.setLocationRelativeTo(空);
frame.setVisible(true);
}
私有类SearchBoxTable扩展JScrollPane实现DocumentListener{
私有静态最终长serialVersionUID=1L;
专用JTable表;
私有对象[]列名称;
私有DefaultTableModel表模型;
私有对象[][]sheetDataInString;
专用桌行分拣机;
公共SearchBoxTable(){
columnNames=新对象[]{“第1列”、“第2列”、“第3列”、“第4列”、“第5列”、“第6列”};
sheetDataInString=新对象[21][6];
对于(int i=0;iimport java.awt.Component;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.Point;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.ListSelectionModel;
import javax.swing.RowFilter;
import javax.swing.ScrollPaneConstants;
import javax.swing.SwingConstants;
import javax.swing.SwingUtilities;
import javax.swing.WindowConstants;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
import javax.swing.plaf.basic.BasicArrowButton;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableRowSorter;
import javax.swing.text.BadLocationException;
import javax.swing.text.Document;
public class SearchBox extends JPanel {
private static final long serialVersionUID = 1L;
private static JFrame frame = new JFrame();
private JTextField editor;
private JButton arrowButton;
//private JToggleButton arrowButton;
private JDialog popupWindow = new JDialog(frame);
private Component userComponent;
private JTable table;
private TableRowSorter<DefaultTableModel> rowSorter;
private Object[] columnNames;
private DefaultTableModel tableModel;
private Object[][] sheetDataInString;
public SearchBox() {
super(new FlowLayout(FlowLayout.LEFT, 0, 0));
editor = new JTextField();
editor.setPreferredSize(new Dimension(250, 25));
editor.getDocument().addDocumentListener(new DocumentListener() {
@Override
public void changedUpdate(DocumentEvent e) {
newFilter();
}
@Override
public void insertUpdate(DocumentEvent e) {
newFilter();
}
@Override
public void removeUpdate(DocumentEvent e) {
newFilter();
}
private void newFilter() {
RowFilter<DefaultTableModel, Object> rowFilter = null;
Document document = editor.getDocument();
String filterText;
try {
filterText = document.getText(0, document.getLength()).trim();
rowFilter = RowFilter.regexFilter("(?i)" + filterText);
} catch (java.util.regex.PatternSyntaxException e) {
return;
} catch (BadLocationException badLocationException) {
return;
}
rowSorter.setRowFilter(rowFilter);
table.setRowSorter(rowSorter);
}
});
initialize();
addListeners();
setBorders();
}
private void addListeners() {
arrowButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
if (!popupWindow.isVisible()) {
showWindow();
} else {
hideWindow();
}
}
});
}
protected void showWindow() {
if (null != getWindowComponent()) {
popupWindow.getContentPane().add(getWindowComponent());
popupWindow.setLocation(new Point(SearchBox.this.getLocationOnScreen().x, SearchBox.this.getLocationOnScreen().y + 25));
popupWindow.setUndecorated(true);
popupWindow.setAlwaysOnTop(true);
popupWindow.pack();
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
popupWindow.setVisible(true);
}
});
}
}
protected void hideWindow() {
popupWindow.setVisible(false);
}
private Component getWindowComponent() {
return userComponent;
}
public void setWindowComponent(Component component) {
userComponent = component;
}
private void initialize() {
arrowButton = new BasicArrowButton(SwingConstants.SOUTH);//In my code there is an icon here
arrowButton.setBorder(null);
arrowButton.setContentAreaFilled(false);
}
private void setBorders() {
add(editor);
add(arrowButton);
setBackground(editor.getBackground());
setBorder(editor.getBorder());
editor.setBorder(null);
}
public JTextField getTextComponent() {
return editor;
}
public JButton getActionButton() {
return arrowButton;
}
public static void main(String args[]) {
EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
createAndShowGUI();
}
});
}
protected static void createAndShowGUI() {
JPanel panel = new JPanel();
frame.setPreferredSize(new Dimension(500, 400));
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
panel.add(new JLabel("Test Table Combo"));
SearchBox searchBox = new SearchBox();
searchBox.userComponent = searchBox.new SearchBoxTable();
panel.add(searchBox);
frame.getContentPane().add(panel);
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
private class SearchBoxTable extends JScrollPane {
private static final long serialVersionUID = 1L;
public SearchBoxTable() {
columnNames = new Object[]{"Column 1", "Column 2", "Column 3", "Column 4", "Column 5", "Column 6"};
sheetDataInString = new Object[21][6];
for (int i = 0; i < sheetDataInString.length; i++) {
for (int j = 0; j < 6; j++) {
sheetDataInString[i][j] = "Row Value : " + i + ", Column Value : " + j;
}
}
tableModel = new DefaultTableModel(sheetDataInString, columnNames) {
private static final long serialVersionUID = 1L;
@Override
public boolean isCellEditable(int row, int column) {
return true;
}
};
rowSorter = new TableRowSorter<DefaultTableModel>(tableModel);
table = new JTable(tableModel);
table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
table.setAutoCreateRowSorter(true);
table.setFillsViewportHeight(true);
table.getTableHeader().setFont(new Font(null, Font.PLAIN, 13));
table.setPreferredScrollableViewportSize(table.getPreferredSize());
setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
getViewport().add(table);
}
}
}