1 /*
2 * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
455 *
456 * @param c a component
457 * @return an instance of {@code BasicLabelUI}
458 */
459 public static ComponentUI createUI(JComponent c) {
460 if (System.getSecurityManager() != null) {
461 AppContext appContext = AppContext.getAppContext();
462 BasicLabelUI safeBasicLabelUI =
463 (BasicLabelUI) appContext.get(BASIC_LABEL_UI_KEY);
464 if (safeBasicLabelUI == null) {
465 safeBasicLabelUI = new BasicLabelUI();
466 appContext.put(BASIC_LABEL_UI_KEY, safeBasicLabelUI);
467 }
468 return safeBasicLabelUI;
469 }
470 return labelUI;
471 }
472
473 public void propertyChange(PropertyChangeEvent e) {
474 String name = e.getPropertyName();
475 if (name == "text" || "font" == name || "foreground" == name ||
476 "ancestor" == name || "graphicsConfiguration" == name) {
477 // remove the old html view client property if one
478 // existed, and install a new one if the text installed
479 // into the JLabel is html source.
480 JLabel lbl = ((JLabel) e.getSource());
481 String text = lbl.getText();
482 BasicHTML.updateRenderer(lbl, text);
483 }
484 else if (name == "labelFor" || name == "displayedMnemonic") {
485 installKeyboardActions((JLabel) e.getSource());
486 }
487 }
488
489 // When the accelerator is pressed, temporarily make the JLabel
490 // focusTraversable by registering a WHEN_FOCUSED action for the
491 // release of the accelerator. Then give it focus so it can
492 // prevent unwanted keyTyped events from getting to other components.
493 private static class Actions extends UIAction {
494 private static final String PRESS = "press";
495 private static final String RELEASE = "release";
496
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1 /*
2 * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
455 *
456 * @param c a component
457 * @return an instance of {@code BasicLabelUI}
458 */
459 public static ComponentUI createUI(JComponent c) {
460 if (System.getSecurityManager() != null) {
461 AppContext appContext = AppContext.getAppContext();
462 BasicLabelUI safeBasicLabelUI =
463 (BasicLabelUI) appContext.get(BASIC_LABEL_UI_KEY);
464 if (safeBasicLabelUI == null) {
465 safeBasicLabelUI = new BasicLabelUI();
466 appContext.put(BASIC_LABEL_UI_KEY, safeBasicLabelUI);
467 }
468 return safeBasicLabelUI;
469 }
470 return labelUI;
471 }
472
473 public void propertyChange(PropertyChangeEvent e) {
474 String name = e.getPropertyName();
475 if (name == "text" || "font" == name || "foreground" == name
476 || "graphicsConfiguration" == name) {
477 // remove the old html view client property if one
478 // existed, and install a new one if the text installed
479 // into the JLabel is html source.
480 JLabel lbl = ((JLabel) e.getSource());
481 String text = lbl.getText();
482 BasicHTML.updateRenderer(lbl, text);
483 }
484 else if (name == "labelFor" || name == "displayedMnemonic") {
485 installKeyboardActions((JLabel) e.getSource());
486 }
487 }
488
489 // When the accelerator is pressed, temporarily make the JLabel
490 // focusTraversable by registering a WHEN_FOCUSED action for the
491 // release of the accelerator. Then give it focus so it can
492 // prevent unwanted keyTyped events from getting to other components.
493 private static class Actions extends UIAction {
494 private static final String PRESS = "press";
495 private static final String RELEASE = "release";
496
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