JDK14/Java14源码在线阅读
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package com.apple.laf;
import java.awt.*;
import java.awt.event.*;
import java.beans.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.plaf.TextUI;
import javax.swing.text.JTextComponent;
import apple.laf.JRSUIConstants.*;
import com.apple.laf.AquaIcon.DynamicallySizingJRSUIIcon;
import com.apple.laf.AquaUtilControlSize.*;
import com.apple.laf.AquaUtils.*;
public class AquaTextFieldSearch {
private static final String VARIANT_KEY = "JTextField.variant";
private static final String SEARCH_VARIANT_VALUE = "search";
private static final String FIND_POPUP_KEY = "JTextField.Search.FindPopup";
private static final String FIND_ACTION_KEY = "JTextField.Search.FindAction";
private static final String CANCEL_ACTION_KEY = "JTextField.Search.CancelAction";
private static final String PROMPT_KEY = "JTextField.Search.Prompt";
private static final SearchFieldPropertyListener SEARCH_FIELD_PROPERTY_LISTENER = new SearchFieldPropertyListener();
protected static void installSearchFieldListener(final JTextComponent c) {
c.addPropertyChangeListener(SEARCH_FIELD_PROPERTY_LISTENER);
}
protected static void uninstallSearchFieldListener(final JTextComponent c) {
c.removePropertyChangeListener(SEARCH_FIELD_PROPERTY_LISTENER);
}
static class SearchFieldPropertyListener implements PropertyChangeListener {
public void propertyChange(final PropertyChangeEvent evt) {
final Object source = evt.getSource();
if (!(source instanceof JTextComponent)) return;
final String propertyName = evt.getPropertyName();
if (!VARIANT_KEY.equals(propertyName) &&
!FIND_POPUP_KEY.equals(propertyName) &&
!FIND_ACTION_KEY.equals(propertyName) &&
!CANCEL_ACTION_KEY.equals(propertyName) &&
!PROMPT_KEY.equals(propertyName)) {
return;
}
final JTextComponent c = (JTextComponent)source;
if (wantsToBeASearchField(c)) {
uninstallSearchField(c);
installSearchField(c);
} else {
uninstallSearchField(c);
}
}
}
protected static boolean wantsToBeASearchField(final JTextComponent c) {
return SEARCH_VARIANT_VALUE.equals(c.getClientProperty(VARIANT_KEY));
}
protected static boolean hasPopupMenu(final JTextComponent c) {
return (c.getClientProperty(FIND_POPUP_KEY) instanceof JPopupMenu);
}
private static final RecyclableSingleton<SearchFieldBorder> instance = new RecyclableSingletonFromDefaultConstructor<SearchFieldBorder>(SearchFieldBorder.class);
public static SearchFieldBorder getSearchTextFieldBorder() {
return instance.get();
}
protected static void installSearchField(final JTextComponent c) {
final SearchFieldBorder border = getSearchTextFieldBorder();
c.setBorder(border);
c.setLayout(border.getCustomLayout());
c.add(getFindButton(c), BorderLayout.WEST);
c.add(getCancelButton(c), BorderLayout.EAST);
c.add(getPromptLabel(c), BorderLayout.CENTER);
final TextUI ui = c.getUI();
if (ui instanceof AquaTextFieldUI) {
((AquaTextFieldUI)ui).setPaintingDelegate(border);
}
}
protected static void uninstallSearchField(final JTextComponent c) {
c.setBorder(UIManager.getBorder("TextField.border"));
c.removeAll();
final TextUI ui = c.getUI();
if (ui instanceof AquaTextFieldUI) {
((AquaTextFieldUI)ui).setPaintingDelegate(null);
}
}
// The "magnifying glass" icon that sometimes has a downward pointing triangle next to it
// if a popup has been assigned to it. It does not appear to have a pressed state.
protected static DynamicallySizingJRSUIIcon getFindIcon(final JTextComponent text) {
return (text.getClientProperty(FIND_POPUP_KEY) == null) ?
new DynamicallySizingJRSUIIcon(new SizeDescriptor(new SizeVariant(25, 22).alterMargins(0, 4, 0, -5))) {
public void initJRSUIState() {
painter.state.set(Widget.BUTTON_SEARCH_FIELD_FIND);
}
}
:
new DynamicallySizingJRSUIIcon(new SizeDescriptor(new SizeVariant(25, 22).alterMargins(0, 4, 0, 2))) {
public void initJRSUIState() {
painter.state.set(Widget.BUTTON_SEARCH_FIELD_FIND);
}
}
;
}
// The "X in a circle" that only shows up when there is text in the search field.
protected static DynamicallySizingJRSUIIcon getCancelIcon() {
return new DynamicallySizingJRSUIIcon(new SizeDescriptor(new SizeVariant(22, 22).alterMargins(0, 0, 0, 4))) {
public void initJRSUIState() {
painter.state.set(Widget.BUTTON_SEARCH_FIELD_CANCEL);
}
};
}
protected static State getState(final JButton b) {
if (!AquaFocusHandler.isActive(b)) return State.INACTIVE;
if (b.getModel().isPressed()) return State.PRESSED;
return State.ACTIVE;
}
protected static JButton createButton(final JTextComponent c, final DynamicallySizingJRSUIIcon icon) {
final JButton b = new JButton()
// {
// public void paint(Graphics g) {
// super.paint(g);
//
// g.setColor(Color.green);
// g.drawRect(0, 0, getWidth() - 1, getHeight() - 1);
// }
// }
;
final Insets i = icon.sizeVariant.margins;
b.setBorder(BorderFactory.createEmptyBorder(i.top, i.left, i.bottom, i.right));
b.setIcon(icon);
b.setBorderPainted(false);
b.setFocusable(false);
b.setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
b.addChangeListener(new ChangeListener() {
public void stateChanged(final ChangeEvent e) {
icon.painter.state.set(getState(b));
}
});
b.addMouseListener(new MouseAdapter() {
public void mousePressed(final MouseEvent e) {
c.requestFocusInWindow();
}
});
return b;
}
protected static JButton getFindButton(final JTextComponent c) {
final DynamicallySizingJRSUIIcon findIcon = getFindIcon(c);
final JButton b = createButton(c, findIcon);
b.setName("find");
final Object findPopup = c.getClientProperty(FIND_POPUP_KEY);
if (findPopup instanceof JPopupMenu) {
// if we have a popup, indicate that in the icon
findIcon.painter.state.set(Variant.MENU_GLYPH);
b.addMouseListener(new MouseAdapter() {
public void mousePressed(final MouseEvent e) {
((JPopupMenu)findPopup).show(b, 8, b.getHeight() - 2);
c.requestFocusInWindow();
c.repaint();
}
});
}
final Object findAction = c.getClientProperty(FIND_ACTION_KEY);
if (findAction instanceof ActionListener) {
b.addActionListener((ActionListener)findAction);
}
return b;
}
private static Component getPromptLabel(final JTextComponent c) {
final JLabel label = new JLabel();
label.setForeground(UIManager.getColor("TextField.inactiveForeground"));
c.getDocument().addDocumentListener(new DocumentListener() {
public void changedUpdate(final DocumentEvent e) { updatePromptLabel(label, c); }
public void insertUpdate(final DocumentEvent e) { updatePromptLabel(label, c); }
public void removeUpdate(final DocumentEvent e) { updatePromptLabel(label, c); }
});
c.addFocusListener(new FocusAdapter() {
public void focusGained(final FocusEvent e) { updatePromptLabel(label, c); }
public void focusLost(final FocusEvent e) { updatePromptLabel(label, c); }
});
updatePromptLabel(label, c);
return label;
}
static void updatePromptLabel(final JLabel label, final JTextComponent text) {
if (SwingUtilities.isEventDispatchThread()) {
updatePromptLabelOnEDT(label, text);
} else {
SwingUtilities.invokeLater(new Runnable() {
public void run() { updatePromptLabelOnEDT(label, text); }
});
}
}
static void updatePromptLabelOnEDT(final JLabel label, final JTextComponent text) {
String promptText = " ";
if (!text.hasFocus() && "".equals(text.getText())) {
final Object prompt = text.getClientProperty(PROMPT_KEY);
if (prompt != null) promptText = prompt.toString();
}
label.setText(promptText);
}
@SuppressWarnings("serial") // anonymous class inside
protected static JButton getCancelButton(final JTextComponent c) {
final JButton b = createButton(c, getCancelIcon());
b.setName("cancel");
final Object cancelAction = c.getClientProperty(CANCEL_ACTION_KEY);
if (cancelAction instanceof ActionListener) {
b.addActionListener((ActionListener)cancelAction);
}
b.addActionListener(new AbstractAction("cancel") {
public void actionPerformed(final ActionEvent e) {
c.setText("");
}
});
c.getDocument().addDocumentListener(new DocumentListener() {
public void changedUpdate(final DocumentEvent e) { updateCancelIcon(b, c); }
public void insertUpdate(final DocumentEvent e) { updateCancelIcon(b, c); }
public void removeUpdate(final DocumentEvent e) { updateCancelIcon(b, c); }
});
updateCancelIcon(b, c);
return b;
}
// <rdar://problem/6444328> JTextField.variant=search: not thread-safe
static void updateCancelIcon(final JButton button, final JTextComponent text) {
if (SwingUtilities.isEventDispatchThread()) {
updateCancelIconOnEDT(button, text);
} else {
SwingUtilities.invokeLater(new Runnable() {
public void run() { updateCancelIconOnEDT(button, text); }
});
}
}
static void updateCancelIconOnEDT(final JButton button, final JTextComponent text) {
button.setVisible(!"".equals(text.getText()));
}
// subclass of normal text border, because we still want all the normal text field behaviors
static class SearchFieldBorder extends AquaTextFieldBorder implements JComponentPainter {
protected boolean reallyPaintBorder;
public SearchFieldBorder() {
super(new SizeDescriptor(new SizeVariant().alterMargins(6, 31, 6, 24).alterInsets(3, 3, 3, 3)));
painter.state.set(Widget.FRAME_TEXT_FIELD_ROUND);
}
public SearchFieldBorder(final SearchFieldBorder other) {
super(other);
}
public void paint(final JComponent c, final Graphics g, final int x, final int y, final int w, final int h) {
reallyPaintBorder = true;
paintBorder(c, g, x, y, w, h);
reallyPaintBorder = false;
}
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