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Diffstat (limited to 'scripting/java/org/openoffice/netbeans/editor/JavaKit.java')
| -rw-r--r-- | scripting/java/org/openoffice/netbeans/editor/JavaKit.java | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/scripting/java/org/openoffice/netbeans/editor/JavaKit.java b/scripting/java/org/openoffice/netbeans/editor/JavaKit.java new file mode 100644 index 000000000000..ec09935de661 --- /dev/null +++ b/scripting/java/org/openoffice/netbeans/editor/JavaKit.java @@ -0,0 +1,248 @@ +/************************************************************************* +* + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * +************************************************************************/ +package org.openoffice.netbeans.editor; + +import java.io.*; +import java.awt.event.KeyEvent; +import java.awt.event.InputEvent; +import java.awt.event.ActionEvent; +import java.net.URL; +import java.text.MessageFormat; + +import java.util.Map; +import java.util.List; +import java.util.ResourceBundle; +import java.util.MissingResourceException; +import javax.swing.KeyStroke; +import javax.swing.JEditorPane; +import javax.swing.JMenuItem; +import javax.swing.Action; +import javax.swing.text.Document; +import javax.swing.text.JTextComponent; +import javax.swing.text.TextAction; +import javax.swing.text.BadLocationException; +import org.netbeans.editor.*; +import org.netbeans.editor.ext.*; +import org.netbeans.editor.ext.java.*; + +/** +* Java editor kit with appropriate document +* +* @author Miloslav Metelka +* @version 1.00 +*/ + +/* This class is based on the JavaKit class in the demosrc directory of + * the editor module of the NetBeans project: http://www.netbeans.org + * + * The class sets up an EditorKit for syntax highlighting and code completion + * of Java syntax + */ + +public class JavaKit extends ExtKit { + + public static final String JAVA_MIME_TYPE = "text/x-java"; // NOI18N + + static final long serialVersionUID =-5445829962533684922L; + + static { + Settings.addInitializer( new JavaSettingsInitializer( JavaKit.class ) ); + Settings.reset(); + + URL skeleton = null, body = null; + skeleton = JavaKit.class.getResource("OOo.jcs"); + body = JavaKit.class.getResource("OOo.jcb"); + + if (skeleton != null && body != null) { + DAFileProvider provider = new DAFileProvider( + new URLAccessor(skeleton), + new URLAccessor(body)); + + JCBaseFinder finder = new JCBaseFinder(); + finder.append( provider ); + JavaCompletion.setFinder( finder ); + } + } + + public String getContentType() { + return JAVA_MIME_TYPE; + } + + /** Create new instance of syntax coloring scanner + * @param doc document to operate on. It can be null in the cases the syntax + * creation is not related to the particular document + */ + public Syntax createSyntax(Document doc) { + return new JavaSyntax(); + } + + /** Create syntax support */ + public SyntaxSupport createSyntaxSupport(BaseDocument doc) { + return new JavaSyntaxSupport(doc); + } + + public Completion createCompletion(ExtEditorUI extEditorUI) { + return new JavaCompletion(extEditorUI); + } + + /** Create the formatter appropriate for this kit */ + public Formatter createFormatter() { + return new JavaFormatter(this.getClass()); + } + + protected EditorUI createEditorUI() { + return new ExtEditorUI(); + } + + protected void initDocument(BaseDocument doc) { + doc.addLayer(new JavaDrawLayerFactory.JavaLayer(), + JavaDrawLayerFactory.JAVA_LAYER_VISIBILITY); + doc.addDocumentListener(new JavaDrawLayerFactory.LParenWatcher()); + } + + /** + * DataAccessor for parser DB files via URL streams + * + * @author Petr Nejedly + */ + public static class URLAccessor implements DataAccessor { + + URL url; + InputStream stream; + int streamOff; + int actOff; + + public URLAccessor(URL url) { + this.url = url; + } + + /** Not implemented + */ + public void append(byte[] buffer, int off, int len) + throws IOException + { + throw new IllegalArgumentException("read only!"); + } + + /** + * Reads exactly <code>len</code> bytes from this file resource + * into the byte array, starting at the current file pointer. + * This method reads repeatedly from the file until the requested + * number of bytes are read. This method blocks until the requested + * number of bytes are read, the end of the inputStream is detected, + * or an exception is thrown. + * + * @param buffer the buffer into which the data is read. + * @param off the start offset of the data. + * @param len the number of bytes to read. + */ + public void read(byte[] buffer, int off, int len) throws IOException { + InputStream str = getStream(actOff); + while (len > 0) { + int count = str.read(buffer, off, len); + streamOff += count; + off += count; + len -= count; + } + } + + /** Opens DataAccessor file resource + * @param requestWrite if true, file is opened for read/write + */ + public void open(boolean requestWrite) throws IOException { + if(requestWrite) + throw new IllegalArgumentException("read only!"); + } + + /** Closes DataAccessor file resource */ + public void close() throws IOException { + if (stream != null) { + stream.close(); + stream = null; + } + } + + /** + * Returns the current offset in this file. + * + * @return the offset from the beginning of the file, in bytes, + * at which the next read or write occurs. + */ + public long getFilePointer() throws IOException { + return actOff; + } + + /** Clears the file and sets the offset to 0 */ + public void resetFile() throws IOException { + throw new IllegalArgumentException("read only!"); + } + + /** + * Sets the file-pointer offset, measured from the beginning of this + * file, at which the next read or write occurs. + */ + public void seek(long pos) throws IOException { + actOff = (int)pos; + } + + /** Gets InputStream prepared for reading from <code>off</code> + * offset position + */ + private InputStream getStream(int off) throws IOException { + if (streamOff > off && stream != null) { + stream.close(); + stream = null; + } + + if(stream == null) { + stream = url.openStream(); + streamOff = 0; + } + + while (streamOff < off) { + long len = stream.skip(off - streamOff); + streamOff += (int)len; + if (len == 0) throw new IOException("EOF"); + } + + return stream; + } + + public int getFileLength() { + try { + int l = url.openConnection().getContentLength(); + return l; + } catch (IOException e) { + return 0; + } + } + + public String toString() { + return url.toString(); + } + } +} |