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1
19
20 package org.netbeans.modules.java.editor.overridden;
21 import java.awt.AWTEvent  ;
22 import java.awt.Component ;
23 import java.awt.Container ;
24 import java.awt.Frame ;
25 import java.awt.Point ;
26 import java.awt.Rectangle ;
27 import java.awt.Toolkit ;
28 import java.awt.event.AWTEventListener ;
29 import java.awt.event.ComponentAdapter ;
30 import java.awt.event.ComponentEvent ;
31 import java.awt.event.FocusListener ;
32 import java.awt.event.KeyEvent ;
33 import java.awt.event.MouseEvent ;
34 import java.awt.event.WindowEvent ;
35 import java.awt.event.WindowStateListener ;
36 import javax.swing.AbstractAction ;
37 import javax.swing.Action ;
38 import javax.swing.JComponent ;
39 import javax.swing.JDialog ;
40 import javax.swing.KeyStroke ;
41 import javax.swing.SwingUtilities ;
42 import org.openide.windows.WindowManager;
43
44
48 public final class PopupUtil {
49
50
52 private static final String CLOSE_KEY = "CloseKey";
53 private static final Action CLOSE_ACTION = new CloseAction();
54 private static final KeyStroke ESC_KEY_STROKE = KeyStroke.getKeyStroke( KeyEvent.VK_ESCAPE, 0 );
55
56 private static final String POPUP_NAME = "popupComponent";
57 private static JDialog popupWindow;
58 private static HideAWTListener hideListener = new HideAWTListener();
59
60 private PopupUtil() {
62 }
63
64
65 public static void showPopup( JComponent content, String title ) {
66 showPopup(content, title, -1, -1, false);
67 }
68
69 public static void showPopup( JComponent content, String title, int x, int y, boolean undecorated ) {
70 showPopup(content, title, -1, -1, false, -1 );
71 }
72 public static void showPopup( JComponent content, String title, int x, int y, boolean undecorated, int altHeight ) {
73 if (popupWindow != null ) {
74 return; }
76
77 Toolkit.getDefaultToolkit().addAWTEventListener(hideListener, AWTEvent.MOUSE_EVENT_MASK);
78
79
84 popupWindow = new JDialog ( getMainWindow() );
85 popupWindow.setName( POPUP_NAME );
86 popupWindow.setUndecorated(undecorated);
87 popupWindow.getRootPane().getInputMap( JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT ).put( ESC_KEY_STROKE, CLOSE_KEY );
88 popupWindow.getRootPane().getActionMap().put( CLOSE_KEY, CLOSE_ACTION );
89 if ( title != null ) {
90 }
92 popupWindow.getContentPane().add(content);
94
97 WindowManager.getDefault().getMainWindow().addWindowStateListener(hideListener);
98 WindowManager.getDefault().getMainWindow().addComponentListener(hideListener);
99 resizePopup();
100
101 if (x != (-1)) {
102 Point p = fitToScreen( x, y, altHeight );
103 popupWindow.setLocation(p.x, p.y);
104
105 }
106
107 popupWindow.setVisible( true );
108 content.requestFocus();
110 content.requestFocusInWindow();
111 }
115
116 public static void hidePopup() {
117 if (popupWindow != null) {
118 Toolkit.getDefaultToolkit().removeAWTEventListener(hideListener);
120
121 popupWindow.setVisible( false );
122 popupWindow.dispose();
123 }
124 WindowManager.getDefault().getMainWindow().removeWindowStateListener(hideListener);
125 WindowManager.getDefault().getMainWindow().removeComponentListener(hideListener);
126 popupWindow = null;
127 }
128
129
130 private static void resizePopup() {
131 popupWindow.pack();
132 Point point = new Point (0,0);
133 SwingUtilities.convertPointToScreen(point, getMainWindow());
134 popupWindow.setLocation( point.x + (getMainWindow().getWidth() - popupWindow.getWidth()) / 2,
135 point.y + (getMainWindow().getHeight() - popupWindow.getHeight()) / 3);
136 }
137
138 private static final int X_INSET = 10;
139 private static final int Y_INSET = X_INSET;
140
141 private static Point fitToScreen( int x, int y, int altHeight ) {
142
143 Rectangle screen = org.openide.util.Utilities.getUsableScreenBounds();
144
145 Point p = new Point ( x, y );
146
147 if ( ( p.x + popupWindow.getWidth() ) > ( screen.x + screen.width - X_INSET ) ) {
149 p.x = screen.x + screen.width - X_INSET - popupWindow.getWidth();
150 }
151
152 if ( ( p.y + popupWindow.getHeight() ) > ( screen.y + screen.height - X_INSET ) ) {
154 p.y = p.y - popupWindow.getHeight() - altHeight;
155 }
156
157 return p;
158 }
159
160
161 private static Frame getMainWindow() {
162 return WindowManager.getDefault().getMainWindow();
163 }
164
165
167 private static class HideAWTListener extends ComponentAdapter implements AWTEventListener , WindowStateListener {
168
169 public void eventDispatched(java.awt.AWTEvent aWTEvent) {
170 if (aWTEvent instanceof MouseEvent ) {
171 MouseEvent mv = (MouseEvent )aWTEvent;
172 if (mv.getID() == MouseEvent.MOUSE_CLICKED && mv.getClickCount() > 0) {
173 Component comp = (Component )aWTEvent.getSource();
174 Container par = SwingUtilities.getAncestorNamed(POPUP_NAME, comp); if ( par == null ) {
178 hidePopup();
179 }
180 }
181 }
182 }
183
184 public void windowStateChanged(WindowEvent windowEvent) {
185 if (popupWindow != null ) {
186 int oldState = windowEvent.getOldState();
187 int newState = windowEvent.getNewState();
188
189 if (((oldState & Frame.ICONIFIED) == 0) &&
190 ((newState & Frame.ICONIFIED) == Frame.ICONIFIED)) {
191 hidePopup();
192 }
196 }
197
198 }
199
200 public void componentResized(ComponentEvent evt) {
201 if (popupWindow != null) {
202 resizePopup();
203 }
204 }
205
206 public void componentMoved(ComponentEvent evt) {
207 if (popupWindow!= null) {
208 resizePopup();
209 }
210 }
211
212 }
213
214 private static class MyFocusListener implements FocusListener {
215
216 public void focusLost(java.awt.event.FocusEvent e) {
217 System.out.println( e );
218 }
219
220 public void focusGained(java.awt.event.FocusEvent e) {
221 System.out.println( e );
222 }
223
224 }
225
226 private static class CloseAction extends AbstractAction {
227
228 public void actionPerformed(java.awt.event.ActionEvent e) {
229 hidePopup();
230 }
231
232
233 }
234
235 }
236 |
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