| /* |
| * Copyright (c) 1997, 2006, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package javax.swing.plaf.basic; |
| |
| import java.awt.*; |
| import java.awt.event.*; |
| import java.beans.*; |
| import java.net.URL; |
| import java.net.MalformedURLException; |
| import javax.swing.*; |
| import javax.swing.text.*; |
| import javax.swing.text.html.*; |
| import javax.swing.plaf.*; |
| import javax.swing.border.*; |
| |
| |
| /** |
| * Provides the look and feel for a JEditorPane. |
| * <p> |
| * <strong>Warning:</strong> |
| * Serialized objects of this class will not be compatible with |
| * future Swing releases. The current serialization support is |
| * appropriate for short term storage or RMI between applications running |
| * the same version of Swing. As of 1.4, support for long term storage |
| * of all JavaBeans<sup><font size="-2">TM</font></sup> |
| * has been added to the <code>java.beans</code> package. |
| * Please see {@link java.beans.XMLEncoder}. |
| * |
| * @author Timothy Prinzing |
| */ |
| public class BasicEditorPaneUI extends BasicTextUI { |
| |
| /** |
| * Creates a UI for the JTextPane. |
| * |
| * @param c the JTextPane component |
| * @return the UI |
| */ |
| public static ComponentUI createUI(JComponent c) { |
| return new BasicEditorPaneUI(); |
| } |
| |
| /** |
| * Creates a new BasicEditorPaneUI. |
| */ |
| public BasicEditorPaneUI() { |
| super(); |
| } |
| |
| /** |
| * Fetches the name used as a key to lookup properties through the |
| * UIManager. This is used as a prefix to all the standard |
| * text properties. |
| * |
| * @return the name ("EditorPane") |
| */ |
| protected String getPropertyPrefix() { |
| return "EditorPane"; |
| } |
| |
| /** |
| *{@inheritDoc} |
| * |
| * @since 1.5 |
| */ |
| public void installUI(JComponent c) { |
| super.installUI(c); |
| updateDisplayProperties(c.getFont(), |
| c.getForeground()); |
| } |
| |
| /** |
| *{@inheritDoc} |
| * |
| * @since 1.5 |
| */ |
| public void uninstallUI(JComponent c) { |
| cleanDisplayProperties(); |
| super.uninstallUI(c); |
| } |
| |
| /** |
| * Fetches the EditorKit for the UI. This is whatever is |
| * currently set in the associated JEditorPane. |
| * |
| * @return the editor capabilities |
| * @see TextUI#getEditorKit |
| */ |
| public EditorKit getEditorKit(JTextComponent tc) { |
| JEditorPane pane = (JEditorPane) getComponent(); |
| return pane.getEditorKit(); |
| } |
| |
| /** |
| * Fetch an action map to use. The map for a JEditorPane |
| * is not shared because it changes with the EditorKit. |
| */ |
| ActionMap getActionMap() { |
| ActionMap am = new ActionMapUIResource(); |
| am.put("requestFocus", new FocusAction()); |
| EditorKit editorKit = getEditorKit(getComponent()); |
| if (editorKit != null) { |
| Action[] actions = editorKit.getActions(); |
| if (actions != null) { |
| addActions(am, actions); |
| } |
| } |
| am.put(TransferHandler.getCutAction().getValue(Action.NAME), |
| TransferHandler.getCutAction()); |
| am.put(TransferHandler.getCopyAction().getValue(Action.NAME), |
| TransferHandler.getCopyAction()); |
| am.put(TransferHandler.getPasteAction().getValue(Action.NAME), |
| TransferHandler.getPasteAction()); |
| return am; |
| } |
| |
| /** |
| * This method gets called when a bound property is changed |
| * on the associated JTextComponent. This is a hook |
| * which UI implementations may change to reflect how the |
| * UI displays bound properties of JTextComponent subclasses. |
| * This is implemented to rebuild the ActionMap based upon an |
| * EditorKit change. |
| * |
| * @param evt the property change event |
| */ |
| protected void propertyChange(PropertyChangeEvent evt) { |
| super.propertyChange(evt); |
| String name = evt.getPropertyName(); |
| if ("editorKit".equals(name)) { |
| ActionMap map = SwingUtilities.getUIActionMap(getComponent()); |
| if (map != null) { |
| Object oldValue = evt.getOldValue(); |
| if (oldValue instanceof EditorKit) { |
| Action[] actions = ((EditorKit)oldValue).getActions(); |
| if (actions != null) { |
| removeActions(map, actions); |
| } |
| } |
| Object newValue = evt.getNewValue(); |
| if (newValue instanceof EditorKit) { |
| Action[] actions = ((EditorKit)newValue).getActions(); |
| if (actions != null) { |
| addActions(map, actions); |
| } |
| } |
| } |
| updateFocusTraversalKeys(); |
| } else if ("editable".equals(name)) { |
| updateFocusTraversalKeys(); |
| } else if ("foreground".equals(name) |
| || "font".equals(name) |
| || "document".equals(name) |
| || JEditorPane.W3C_LENGTH_UNITS.equals(name) |
| || JEditorPane.HONOR_DISPLAY_PROPERTIES.equals(name) |
| ) { |
| JComponent c = getComponent(); |
| updateDisplayProperties(c.getFont(), c.getForeground()); |
| if ( JEditorPane.W3C_LENGTH_UNITS.equals(name) |
| || JEditorPane.HONOR_DISPLAY_PROPERTIES.equals(name) ) { |
| modelChanged(); |
| } |
| if ("foreground".equals(name)) { |
| Object honorDisplayPropertiesObject = c. |
| getClientProperty(JEditorPane.HONOR_DISPLAY_PROPERTIES); |
| boolean honorDisplayProperties = false; |
| if (honorDisplayPropertiesObject instanceof Boolean) { |
| honorDisplayProperties = |
| ((Boolean)honorDisplayPropertiesObject).booleanValue(); |
| } |
| if (honorDisplayProperties) { |
| modelChanged(); |
| } |
| } |
| |
| |
| } |
| } |
| |
| void removeActions(ActionMap map, Action[] actions) { |
| int n = actions.length; |
| for (int i = 0; i < n; i++) { |
| Action a = actions[i]; |
| map.remove(a.getValue(Action.NAME)); |
| } |
| } |
| |
| void addActions(ActionMap map, Action[] actions) { |
| int n = actions.length; |
| for (int i = 0; i < n; i++) { |
| Action a = actions[i]; |
| map.put(a.getValue(Action.NAME), a); |
| } |
| } |
| |
| void updateDisplayProperties(Font font, Color fg) { |
| JComponent c = getComponent(); |
| Object honorDisplayPropertiesObject = c. |
| getClientProperty(JEditorPane.HONOR_DISPLAY_PROPERTIES); |
| boolean honorDisplayProperties = false; |
| Object w3cLengthUnitsObject = c.getClientProperty(JEditorPane. |
| W3C_LENGTH_UNITS); |
| boolean w3cLengthUnits = false; |
| if (honorDisplayPropertiesObject instanceof Boolean) { |
| honorDisplayProperties = |
| ((Boolean)honorDisplayPropertiesObject).booleanValue(); |
| } |
| if (w3cLengthUnitsObject instanceof Boolean) { |
| w3cLengthUnits = ((Boolean)w3cLengthUnitsObject).booleanValue(); |
| } |
| if (this instanceof BasicTextPaneUI |
| || honorDisplayProperties) { |
| //using equals because can not use UIResource for Boolean |
| Document doc = getComponent().getDocument(); |
| if (doc instanceof StyledDocument) { |
| if (doc instanceof HTMLDocument |
| && honorDisplayProperties) { |
| updateCSS(font, fg); |
| } else { |
| updateStyle(font, fg); |
| } |
| } |
| } else { |
| cleanDisplayProperties(); |
| } |
| if ( w3cLengthUnits ) { |
| Document doc = getComponent().getDocument(); |
| if (doc instanceof HTMLDocument) { |
| StyleSheet documentStyleSheet = |
| ((HTMLDocument)doc).getStyleSheet(); |
| documentStyleSheet.addRule("W3C_LENGTH_UNITS_ENABLE"); |
| } |
| } else { |
| Document doc = getComponent().getDocument(); |
| if (doc instanceof HTMLDocument) { |
| StyleSheet documentStyleSheet = |
| ((HTMLDocument)doc).getStyleSheet(); |
| documentStyleSheet.addRule("W3C_LENGTH_UNITS_DISABLE"); |
| } |
| |
| } |
| } |
| |
| /** |
| * Attribute key to reference the default font. |
| * used in javax.swing.text.StyleContext.getFont |
| * to resolve the default font. |
| */ |
| private static final String FONT_ATTRIBUTE_KEY = "FONT_ATTRIBUTE_KEY"; |
| |
| void cleanDisplayProperties() { |
| Document document = getComponent().getDocument(); |
| if (document instanceof HTMLDocument) { |
| StyleSheet documentStyleSheet = |
| ((HTMLDocument)document).getStyleSheet(); |
| StyleSheet[] styleSheets = documentStyleSheet.getStyleSheets(); |
| if (styleSheets != null) { |
| for (StyleSheet s : styleSheets) { |
| if (s instanceof StyleSheetUIResource) { |
| documentStyleSheet.removeStyleSheet(s); |
| documentStyleSheet.addRule("BASE_SIZE_DISABLE"); |
| break; |
| } |
| } |
| } |
| Style style = ((StyledDocument) document).getStyle(StyleContext.DEFAULT_STYLE); |
| if (style.getAttribute(FONT_ATTRIBUTE_KEY) != null) { |
| style.removeAttribute(FONT_ATTRIBUTE_KEY); |
| } |
| } |
| } |
| |
| static class StyleSheetUIResource extends StyleSheet implements UIResource { |
| } |
| |
| private void updateCSS(Font font, Color fg) { |
| JTextComponent component = getComponent(); |
| Document document = component.getDocument(); |
| if (document instanceof HTMLDocument) { |
| StyleSheet styleSheet = new StyleSheetUIResource(); |
| StyleSheet documentStyleSheet = |
| ((HTMLDocument)document).getStyleSheet(); |
| StyleSheet[] styleSheets = documentStyleSheet.getStyleSheets(); |
| if (styleSheets != null) { |
| for (StyleSheet s : styleSheets) { |
| if (s instanceof StyleSheetUIResource) { |
| documentStyleSheet.removeStyleSheet(s); |
| } |
| } |
| } |
| String cssRule = sun.swing. |
| SwingUtilities2.displayPropertiesToCSS(font, |
| fg); |
| styleSheet.addRule(cssRule); |
| documentStyleSheet.addStyleSheet(styleSheet); |
| documentStyleSheet.addRule("BASE_SIZE " + |
| component.getFont().getSize()); |
| Style style = ((StyledDocument) document).getStyle(StyleContext.DEFAULT_STYLE); |
| if (! font.equals(style.getAttribute(FONT_ATTRIBUTE_KEY))) { |
| style.addAttribute(FONT_ATTRIBUTE_KEY, font); |
| } |
| } |
| } |
| |
| private void updateStyle(Font font, Color fg) { |
| updateFont(font); |
| updateForeground(fg); |
| } |
| |
| /** |
| * Update the color in the default style of the document. |
| * |
| * @param color the new color to use or null to remove the color attribute |
| * from the document's style |
| */ |
| private void updateForeground(Color color) { |
| StyledDocument doc = (StyledDocument)getComponent().getDocument(); |
| Style style = doc.getStyle(StyleContext.DEFAULT_STYLE); |
| |
| if (style == null) { |
| return; |
| } |
| |
| if (color == null) { |
| if (style.getAttribute(StyleConstants.Foreground) != null) { |
| style.removeAttribute(StyleConstants.Foreground); |
| } |
| } else { |
| if (! color.equals(StyleConstants.getForeground(style))) { |
| StyleConstants.setForeground(style, color); |
| } |
| } |
| } |
| |
| /** |
| * Update the font in the default style of the document. |
| * |
| * @param font the new font to use or null to remove the font attribute |
| * from the document's style |
| */ |
| private void updateFont(Font font) { |
| StyledDocument doc = (StyledDocument)getComponent().getDocument(); |
| Style style = doc.getStyle(StyleContext.DEFAULT_STYLE); |
| |
| if (style == null) { |
| return; |
| } |
| |
| String fontFamily = (String) style.getAttribute(StyleConstants.FontFamily); |
| Integer fontSize = (Integer) style.getAttribute(StyleConstants.FontSize); |
| Boolean isBold = (Boolean) style.getAttribute(StyleConstants.Bold); |
| Boolean isItalic = (Boolean) style.getAttribute(StyleConstants.Italic); |
| Font fontAttribute = (Font) style.getAttribute(FONT_ATTRIBUTE_KEY); |
| if (font == null) { |
| if (fontFamily != null) { |
| style.removeAttribute(StyleConstants.FontFamily); |
| } |
| if (fontSize != null) { |
| style.removeAttribute(StyleConstants.FontSize); |
| } |
| if (isBold != null) { |
| style.removeAttribute(StyleConstants.Bold); |
| } |
| if (isItalic != null) { |
| style.removeAttribute(StyleConstants.Italic); |
| } |
| if (fontAttribute != null) { |
| style.removeAttribute(FONT_ATTRIBUTE_KEY); |
| } |
| } else { |
| if (! font.getName().equals(fontFamily)) { |
| StyleConstants.setFontFamily(style, font.getName()); |
| } |
| if (fontSize == null |
| || fontSize.intValue() != font.getSize()) { |
| StyleConstants.setFontSize(style, font.getSize()); |
| } |
| if (isBold == null |
| || isBold.booleanValue() != font.isBold()) { |
| StyleConstants.setBold(style, font.isBold()); |
| } |
| if (isItalic == null |
| || isItalic.booleanValue() != font.isItalic()) { |
| StyleConstants.setItalic(style, font.isItalic()); |
| } |
| if (! font.equals(fontAttribute)) { |
| style.addAttribute(FONT_ATTRIBUTE_KEY, font); |
| } |
| } |
| } |
| } |
