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Diffstat (limited to 'libjava/classpath/javax/swing/JEditorPane.java')
-rw-r--r-- | libjava/classpath/javax/swing/JEditorPane.java | 333 |
1 files changed, 333 insertions, 0 deletions
diff --git a/libjava/classpath/javax/swing/JEditorPane.java b/libjava/classpath/javax/swing/JEditorPane.java new file mode 100644 index 0000000..63c79ff --- /dev/null +++ b/libjava/classpath/javax/swing/JEditorPane.java @@ -0,0 +1,333 @@ +/* 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., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 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; + + 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(); + } + + /** + * Returns the EditorKit. If there is no EditorKit set this method + * calls createDefaultEditorKit() and setEditorKit() first. + */ + public EditorKit getEditorKit() + { + if (editorKit == null) + setEditorKit(createDefaultEditorKit()); + 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; + } + + protected String paramString() + { + return "JEditorPane"; + } + + /** + * 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); + } +} |