| /* JEditorPane.java -- |
| Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package javax.swing; |
| |
| import java.awt.Dimension; |
| import java.awt.event.KeyEvent; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.URL; |
| |
| import javax.accessibility.AccessibleContext; |
| import javax.swing.event.HyperlinkEvent; |
| import javax.swing.event.HyperlinkListener; |
| import javax.swing.text.BadLocationException; |
| import javax.swing.text.DefaultEditorKit; |
| import javax.swing.text.EditorKit; |
| import javax.swing.text.JTextComponent; |
| |
| |
| public class JEditorPane extends JTextComponent |
| { |
| private static final long serialVersionUID = 3140472492599046285L; |
| |
| private URL page; |
| private EditorKit editorKit; |
| |
| boolean focus_root; |
| boolean manages_focus; |
| |
| public JEditorPane() |
| { |
| setEditorKit(createDefaultEditorKit()); |
| } |
| |
| public JEditorPane(String url) throws IOException |
| { |
| this(new URL(url)); |
| } |
| |
| public JEditorPane(String type, String text) |
| { |
| setEditorKit(createEditorKitForContentType(type)); |
| setText(text); |
| } |
| |
| public JEditorPane(URL url) throws IOException |
| { |
| this(); |
| setPage(url); |
| } |
| |
| protected EditorKit createDefaultEditorKit() |
| { |
| return new DefaultEditorKit(); |
| } |
| |
| public static EditorKit createEditorKitForContentType(String type) |
| { |
| return new DefaultEditorKit(); |
| } |
| |
| /** |
| * Sends a given <code>HyperlinkEvent</code> to all registered listeners. |
| * |
| * @param event the event to send |
| */ |
| public void fireHyperlinkUpdate(HyperlinkEvent event) |
| { |
| HyperlinkListener[] listeners = getHyperlinkListeners(); |
| |
| for (int index = 0; index < listeners.length; ++index) |
| listeners[index].hyperlinkUpdate(event); |
| } |
| |
| public AccessibleContext getAccessibleContext() |
| { |
| return null; |
| } |
| |
| public final String getContentType() |
| { |
| return getEditorKit().getContentType(); |
| } |
| |
| public EditorKit getEditorKit() |
| { |
| return editorKit; |
| } |
| |
| public static String getEditorKitClassNameForContentType(String type) |
| { |
| return "text/plain"; |
| } |
| |
| public EditorKit getEditorKitForContentType(String type) |
| { |
| return editorKit; |
| } |
| |
| /** |
| * Returns the preferred size for the JEditorPane. |
| */ |
| public Dimension getPreferredSize() |
| { |
| return super.getPreferredSize(); |
| } |
| |
| public boolean getScrollableTracksViewportHeight() |
| { |
| return false; |
| } |
| |
| public boolean getScrollableTracksViewportWidth() |
| { |
| return false; |
| } |
| |
| public URL getPage() |
| { |
| return page; |
| } |
| |
| protected InputStream getStream(URL page) |
| throws IOException |
| { |
| return page.openStream(); |
| } |
| |
| public String getText() |
| { |
| return super.getText(); |
| } |
| |
| public String getUIClassID() |
| { |
| return "EditorPaneUI"; |
| } |
| |
| public boolean isFocusCycleRoot() |
| { |
| return focus_root; |
| } |
| |
| public boolean isManagingFocus() |
| { |
| return manages_focus; |
| } |
| |
| protected String paramString() |
| { |
| return "JEditorPane"; |
| } |
| |
| /** |
| * Overridden to handle processing of tab/shift tab. |
| */ |
| protected void processComponentKeyEvent(KeyEvent e) |
| { |
| } |
| |
| /** |
| * Make sure that TAB and Shift-TAB events get consumed, |
| * so that awt doesn't attempt focus traversal. |
| */ |
| protected void processKeyEvent(KeyEvent e) |
| { |
| } |
| |
| /** |
| * This method initializes from a stream. |
| */ |
| public void read(InputStream in, Object desc) |
| throws IOException |
| { |
| } |
| |
| /** |
| * Establishes the default bindings of type to classname. |
| */ |
| public static void registerEditorKitForContentType(String type, |
| String classname) |
| { |
| } |
| |
| /** |
| * Establishes the default bindings of type to classname. |
| */ |
| public static void registerEditorKitForContentType(String type, |
| String classname, |
| ClassLoader loader) |
| { |
| } |
| |
| /** |
| * Replaces the currently selected content with new content represented |
| * by the given string. |
| */ |
| public void replaceSelection(String content) |
| { |
| } |
| |
| /** |
| * Scrolls the view to the given reference location (that is, the value |
| * returned by the UL.getRef method for the URL being displayed). |
| */ |
| public void scrollToReference(String reference) |
| { |
| } |
| |
| public final void setContentType(String type) |
| { |
| if (editorKit != null |
| && editorKit.getContentType().equals(type)) |
| return; |
| |
| EditorKit kit = getEditorKitForContentType(type); |
| |
| if (kit != null) |
| setEditorKit(kit); |
| } |
| |
| public void setEditorKit(EditorKit newValue) |
| { |
| if (editorKit == newValue) |
| return; |
| |
| if (editorKit != null) |
| editorKit.deinstall(this); |
| |
| EditorKit oldValue = editorKit; |
| editorKit = newValue; |
| |
| if (editorKit != null) |
| { |
| editorKit.install(this); |
| setDocument(editorKit.createDefaultDocument()); |
| } |
| |
| firePropertyChange("editorKit", oldValue, newValue); |
| invalidate(); |
| repaint(); |
| } |
| |
| public void setEditorKitForContentType(String type, EditorKit k) |
| { |
| // FIXME: editorKitCache.put(type, kit); |
| } |
| |
| /** |
| * Sets the current URL being displayed. |
| */ |
| public void setPage(String url) throws IOException |
| { |
| setPage(new URL(url)); |
| } |
| |
| /** |
| * Sets the current URL being displayed. |
| */ |
| public void setPage(URL page) throws IOException |
| { |
| if (page == null) |
| throw new IOException("invalid url"); |
| |
| try |
| { |
| this.page = page; |
| getEditorKit().read(page.openStream(), getDocument(), 0); |
| } |
| catch (BadLocationException e) |
| { |
| // Ignored. '0' is always a valid offset. |
| } |
| } |
| |
| public void setText(String t) |
| { |
| super.setText(t); |
| } |
| |
| /** |
| * Add a <code>HyperlinkListener</code> object to this editor pane. |
| * |
| * @param listener the listener to add |
| */ |
| public void addHyperlinkListener(HyperlinkListener listener) |
| { |
| listenerList.add(HyperlinkListener.class, listener); |
| } |
| |
| /** |
| * Removes a <code>HyperlinkListener</code> object to this editor pane. |
| * |
| * @param listener the listener to remove |
| */ |
| public void removeHyperlinkListener(HyperlinkListener listener) |
| { |
| listenerList.remove(HyperlinkListener.class, listener); |
| } |
| |
| /** |
| * Returns all added <code>HyperlinkListener</code> objects. |
| * |
| * @return array of listeners |
| * |
| * @since 1.4 |
| */ |
| public HyperlinkListener[] getHyperlinkListeners() |
| { |
| return (HyperlinkListener[]) getListeners(HyperlinkListener.class); |
| } |
| } |