implemented JSearchBar
Niclas Thobaben
parent
a49cef4e00
commit
a3205a1cce
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@ -1,5 +1,116 @@
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package nt.UI.control;
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public class JSearchBar {
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import java.awt.Dimension;
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import java.awt.Font;
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import java.awt.FontFormatException;
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import java.awt.TextField;
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import java.awt.event.MouseAdapter;
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import java.awt.event.MouseEvent;
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import java.awt.event.MouseListener;
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import java.io.File;
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import java.io.IOException;
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import javax.swing.DefaultListModel;
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import javax.swing.JFrame;
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import javax.swing.JList;
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import javax.swing.JMenuItem;
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import javax.swing.JScrollPane;
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import javax.swing.JTextField;
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import javax.swing.JWindow;
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import javax.swing.SwingUtilities;
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import nt.UI.control.interfaces.SearchBarFinder;
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public class JSearchBar extends JSearchTextField{
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private static final long serialVersionUID = 1L;
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protected static final File SYMBOLS_FILE = null;
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protected SearchBarFinder finder;
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protected SearchDropDown dropDown;
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protected boolean completionActive = false;
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protected String lastEntered = "";
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private final JSearchBarController controller;
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public JSearchBar(SearchBarFinder finder) {
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this.finder = finder;
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this.dropDown = new SearchDropDown();
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setFont(new Font("LigatureSymbols", Font.PLAIN, 13));
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this.controller = new JSearchBarController(this);
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controller.setDefaultState();
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}
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@Override
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public void setVisible(boolean b) {
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super.setVisible(b);
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txtSearch.setText("\uE116 search");
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txtSearch.setHorizontalAlignment(JTextField.CENTER);
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}
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protected void doCompletion() {
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System.out.println("completion");
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String[] tokens = this.finder.getSearchResults(txtSearch.getText());
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if(tokens.length > 1) {
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this.dropDown.putItems(tokens);
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if(!this.dropDown.isVisible()) {
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this.dropDown.setVisible(true);
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}
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}else {
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if(this.dropDown.isVisible()) {
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this.dropDown.setVisible(false);
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}
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}
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}
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protected void startCompletion() {
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this.completionActive = true;
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this.dropDown.setVisible(true);
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}
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protected void stopCompletion() {
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this.completionActive = false;
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this.dropDown.setVisible(false);
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}
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protected class SearchDropDown extends JWindow{
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private static final long serialVersionUID = 1L;
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private static final int ROW_COUNT = 5;
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protected DefaultListModel<String> data = new DefaultListModel<>();
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protected JList<String> list = new JList<>(data);
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protected JScrollPane scrollPane = new JScrollPane(list);
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public SearchDropDown() {
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this.list.setVisibleRowCount(ROW_COUNT);
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setAlwaysOnTop(true);
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add(this.scrollPane);
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}
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public void putItems(String[] tokens) {
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this.data.clear();
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for(String token : tokens) {
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this.data.addElement(token);
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}
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positionMenu();
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}
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public void positionMenu() {
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JSearchBar parent = JSearchBar.this;
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if(parent.isShowing()) {
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if (this.list.getFixedCellHeight() < 0) {
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this.list.setFixedCellHeight(this.getFontMetrics(this.getFont()).getHeight() + 2);
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}
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int x, y, width, height;
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Dimension dim = parent.getSize();
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x = parent.getLocationOnScreen().x;
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y = parent.getLocationOnScreen().y + dim.height;
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width = dim.width;
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height = this.list.getFixedCellHeight() * ROW_COUNT;
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setSize(new Dimension(width, height));
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setLocation(x, y);
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}
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}
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}
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}
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@ -0,0 +1,202 @@
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package nt.UI.control;
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import java.awt.Font;
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import java.awt.Window;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.awt.event.ComponentEvent;
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import java.awt.event.ComponentListener;
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import java.awt.event.FocusEvent;
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import java.awt.event.FocusListener;
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import java.awt.event.HierarchyBoundsListener;
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import java.awt.event.HierarchyEvent;
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import java.awt.event.InputEvent;
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import java.awt.event.KeyAdapter;
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import java.awt.event.KeyEvent;
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import java.awt.event.KeyListener;
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import java.awt.event.MouseEvent;
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import java.awt.event.MouseListener;
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import java.awt.event.WindowEvent;
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import java.awt.event.WindowListener;
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import javax.swing.AbstractAction;
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import javax.swing.ActionMap;
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import javax.swing.InputMap;
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import javax.swing.JList;
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import javax.swing.JMenuItem;
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import javax.swing.JTextField;
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import javax.swing.KeyStroke;
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import javax.swing.SwingUtilities;
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import javax.swing.event.AncestorEvent;
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import javax.swing.event.AncestorListener;
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import javax.swing.event.DocumentEvent;
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import javax.swing.event.DocumentListener;
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import javax.swing.event.ListSelectionEvent;
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import javax.swing.event.ListSelectionListener;
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import nt.UI.util.DocumentAdapter;
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public class JSearchBarController extends KeyAdapter implements DocumentListener, FocusListener, ComponentListener, HierarchyBoundsListener, ListSelectionListener{
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private static final String COMPLETION_CANCEL_KEY = "comp.cancel";
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private static final String SELECT_KEY = "comp.select";
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private static final KeyStroke COMPLETION_CANCEL_STROKE = KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0);
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private static final KeyStroke SELECT_STROKE = KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0);
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private JSearchBar searchBar;
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protected JSearchBarController(JSearchBar searchBar) {
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this.searchBar = searchBar;
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searchBar.txtSearch.addFocusListener(this);
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searchBar.txtSearch.addKeyListener(this);
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searchBar.txtSearch.getDocument().addDocumentListener(this);
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InputMap inputMap = searchBar.txtSearch.getInputMap();
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inputMap.put(COMPLETION_CANCEL_STROKE, COMPLETION_CANCEL_KEY);
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ActionMap actionMap = searchBar.txtSearch.getActionMap();
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actionMap.put(COMPLETION_CANCEL_KEY, new AbstractAction() {
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private static final long serialVersionUID = 1L;
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@Override
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public void actionPerformed(ActionEvent e) {
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setDefaultState();
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}
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});
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searchBar.txtSearch.addComponentListener(this);
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searchBar.txtSearch.addHierarchyBoundsListener(this);
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searchBar.addActionListener(e -> setDefaultState());
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searchBar.dropDown.list.addListSelectionListener(this);
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}
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protected void setDefaultState() {
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JTextField txt = this.searchBar.txtSearch;
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this.searchBar.showCancelButton(false);
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txt.setText("search");
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txt.setFont(txt.getFont().deriveFont(Font.ITALIC));
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this.searchBar.repaint();
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this.searchBar.stopCompletion();
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Window win = SwingUtilities.getWindowAncestor(searchBar);
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if(win != null) {
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win.requestFocus();
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}
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}
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protected void setEnteredState() {
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JTextField txt = this.searchBar.txtSearch;
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this.searchBar.showCancelButton(true);
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txt.setFont(txt.getFont().deriveFont(Font.PLAIN));
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}
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@Override
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public void focusGained(FocusEvent e) {
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JTextField bar = this.searchBar.txtSearch;
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if(bar.getText().toLowerCase().equals("search")) {
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bar.setText("");
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}
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setEnteredState();
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}
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@Override
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public void focusLost(FocusEvent e) {
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JTextField bar = this.searchBar.txtSearch;
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if(bar.getText().isEmpty() || bar.getText().toLowerCase().equals("search")) {
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setDefaultState();
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}else {
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setEnteredState();
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}
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this.searchBar.stopCompletion();
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}
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@Override
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public void keyPressed(KeyEvent e) {
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if(this.searchBar.completionActive) {
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JList<?> list = searchBar.dropDown.list;
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int index = list.getSelectedIndex();
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if(e.getKeyCode() == KeyEvent.VK_DOWN) {
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index = index >= list.getModel().getSize()? list.getModel().getSize()-1:++index;
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}else if(e.getKeyCode() == KeyEvent.VK_UP) {
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index = index <= -1? -1 : --index;
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}
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list.setSelectedIndex(index);
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list.ensureIndexIsVisible(index);
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}
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}
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@Override
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public void componentResized(ComponentEvent e) {
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if(this.searchBar.completionActive) {
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this.searchBar.dropDown.positionMenu();
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}
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}
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@Override
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public void componentMoved(ComponentEvent e) {
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if(this.searchBar.completionActive) {
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this.searchBar.dropDown.positionMenu();
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}
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}
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@Override
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public void componentShown(ComponentEvent e) {
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}
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@Override
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public void componentHidden(ComponentEvent e) {
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// TODO Auto-generated method stub
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}
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@Override
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public void ancestorMoved(HierarchyEvent e) {
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if(this.searchBar.completionActive) {
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this.searchBar.stopCompletion();
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}
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}
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@Override
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public void ancestorResized(HierarchyEvent e) {
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// TODO Auto-generated method stub
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}
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@Override
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public void valueChanged(ListSelectionEvent e) {
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String val = searchBar.dropDown.list.getSelectedValue();
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if(val != null) {
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JTextField field = searchBar.txtSearch;
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field.setText(val);
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field.setCaretPosition(field.getText().length());
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}
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}
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@Override
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public void insertUpdate(DocumentEvent e) {
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if(searchBar.txtSearch.getDocument().getLength() > 0) {
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if(!searchBar.completionActive) {
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searchBar.startCompletion();
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}
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searchBar.doCompletion();
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}else {
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searchBar.stopCompletion();
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}
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}
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@Override
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public void removeUpdate(DocumentEvent e) {
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searchBar.doCompletion();
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}
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@Override
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public void changedUpdate(DocumentEvent e) {
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// TODO Auto-generated method stub
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}
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}
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@ -0,0 +1,105 @@
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package nt.UI.control;
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import javax.swing.JPanel;
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import javax.swing.JTextField;
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import javax.swing.border.EmptyBorder;
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import javax.swing.border.LineBorder;
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import javax.swing.text.JTextComponent;
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import java.awt.Color;
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import java.awt.Component;
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import java.awt.Font;
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import java.awt.event.ActionListener;
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import javax.swing.BoxLayout;
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import javax.swing.JLabel;
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import javax.swing.JButton;
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import javax.swing.BorderFactory;
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import javax.swing.Box;
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import javax.swing.SwingConstants;
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import javax.swing.SwingUtilities;
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public class JSearchTextField extends JPanel{
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private static final long serialVersionUID = 1L;
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private JLabel lblLens;
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protected JTextField txtSearch;
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protected JButton btnCancel;
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private Component horizontalStrut;
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private Component horizontalStrut_1;
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public JSearchTextField() {
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super();
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setLayout(new BoxLayout(this, BoxLayout.X_AXIS));
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Font symbols = new Font("LigatureSymbols", Font.PLAIN, 18);
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horizontalStrut_1 = Box.createHorizontalStrut(20);
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add(horizontalStrut_1);
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lblLens = new JLabel("\uE116");
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lblLens.setFont(symbols);
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add(lblLens);
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horizontalStrut = Box.createHorizontalStrut(10);
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add(horizontalStrut);
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txtSearch = new JTextField() {
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private static final long serialVersionUID = 1L;
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@Override
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public void setText(String txt) {
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}
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};
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txtSearch.setText("search");
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txtSearch.setBorder(new EmptyBorder(0, 0, 0, 0));
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txtSearch.setBackground(getBackground());
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add(txtSearch);
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txtSearch.setColumns(10);
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btnCancel = new JButton("\uE10f");
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btnCancel.setHorizontalAlignment(SwingConstants.RIGHT);
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btnCancel.setBorderPainted(false);
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btnCancel.setFont(symbols);
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btnCancel.setOpaque(false);
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btnCancel.setVisible(false);
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add(btnCancel);
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setBorder(new LineBorder(Color.LIGHT_GRAY));
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setPreferredSize(btnCancel.getPreferredSize());
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setMinimumSize(btnCancel.getMinimumSize());
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}
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public void addActionListener(ActionListener l) {
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this.btnCancel.addActionListener(l);
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}
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public void removeActionListener(ActionListener l) {
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this.btnCancel.removeActionListener(l);
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}
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public void showCancelButton(boolean b) {
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this.btnCancel.setVisible(b);
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System.out.println(b);
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revalidate();
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}
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@Override
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public void setBackground(Color bg) {
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super.setBackground(bg);
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for(Component c : getComponents()) {
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c.setBackground(bg);
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}
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}
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@Override
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public void setForeground(Color fg) {
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super.setForeground(fg);
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for(Component c : getComponents()) {
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c.setForeground(fg);
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}
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}
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}
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@ -0,0 +1,7 @@
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package nt.UI.control.interfaces;
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public interface SearchBarFinder {
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public String[] getSearchResults(String token);
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}
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package nt.UI.tests;
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import javax.swing.JFrame;
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import javax.swing.UIManager;
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import javax.swing.UnsupportedLookAndFeelException;
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import javax.swing.plaf.metal.MetalLookAndFeel;
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import nt.UI.control.JSearchBar;
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import nt.UI.control.JSearchTextField;
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import nt.UI.control.interfaces.SearchBarFinder;
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import javax.swing.BoxLayout;
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import java.awt.Component;
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import java.util.Arrays;
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import java.util.LinkedList;
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import java.util.List;
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import javax.swing.Box;
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import javax.swing.JButton;
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import javax.swing.JTextField;
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public class UITestMain extends JFrame{
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private static final boolean DEBUG_LAF = false;
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public static void main(String[] args) {
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if(DEBUG_LAF) {
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try {
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UIManager.setLookAndFeel(new MetalLookAndFeel());
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} catch (UnsupportedLookAndFeelException e) {
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e.printStackTrace();
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}
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}
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UITestMain frame = new UITestMain();
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frame.setVisible(true);
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}
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public UITestMain() {
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setSize(400,400);
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setDefaultCloseOperation(EXIT_ON_CLOSE);
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getContentPane().setLayout(new BoxLayout(getContentPane(), BoxLayout.Y_AXIS));
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getContentPane().add(new JSearchBar(new SearchBarFinder() {
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@Override
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public String[] getSearchResults(String token) {
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List<String> list = Arrays.asList("a aa aaa aaaa b bb bbb bbbb bbbbb ab aabb bbaa baba".split(" "));
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LinkedList<String> results = new LinkedList<>();
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for(String tok : list) {
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if(tok.startsWith(token)) {
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System.out.println(tok + " " + token);
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results.add(tok);
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}
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}
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return results.toArray(new String[0]);
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}
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}));
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Component verticalStrut = Box.createVerticalStrut(300);
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getContentPane().add(verticalStrut);
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JButton btnBtn = new JButton("btn");
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getContentPane().add(btnBtn);
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JSearchTextField searchTextField = new JSearchTextField();
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getContentPane().add(searchTextField);
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searchTextField.requestFocus();
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}
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}
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@ -0,0 +1,29 @@
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package nt.UI.util;
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import javax.swing.event.DocumentEvent;
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import javax.swing.event.DocumentListener;
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public abstract class DocumentAdapter implements DocumentListener{
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public enum DEType {
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INSERT, REMOVE, CHANGE
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};
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@Override
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public void insertUpdate(DocumentEvent e) {
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documentChanged(e, DEType.INSERT);
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}
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||||
@Override
|
||||
public void removeUpdate(DocumentEvent e) {
|
||||
documentChanged(e, DEType.REMOVE);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void changedUpdate(DocumentEvent e) {
|
||||
documentChanged(e, DEType.CHANGE);
|
||||
}
|
||||
|
||||
public abstract void documentChanged(DocumentEvent e, DEType type);
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue