Removed UI.
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpeclipse / phpeditor / DocumentAdapter.java
diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/DocumentAdapter.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/DocumentAdapter.java
deleted file mode 100644 (file)
index 006503e..0000000
+++ /dev/null
@@ -1,457 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2000, 2003 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Common Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v10.html
- *
- * Contributors:
- *     IBM Corporation - initial API and implementation
- *******************************************************************************/
-
-package net.sourceforge.phpeclipse.phpeditor;
-
-
-import java.util.ArrayList;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Set;
-
-import net.sourceforge.phpdt.core.BufferChangedEvent;
-import net.sourceforge.phpdt.core.IBuffer;
-import net.sourceforge.phpdt.core.IBufferChangedListener;
-import net.sourceforge.phpdt.core.IOpenable;
-import net.sourceforge.phpdt.core.JavaModelException;
-import net.sourceforge.phpeclipse.PHPeclipsePlugin;
-
-import org.eclipse.core.filebuffers.FileBuffers;
-import org.eclipse.core.filebuffers.ITextFileBuffer;
-import org.eclipse.core.filebuffers.ITextFileBufferManager;
-import org.eclipse.core.resources.IFile;
-import org.eclipse.core.resources.IResource;
-import org.eclipse.core.runtime.CoreException;
-import org.eclipse.core.runtime.IPath;
-import org.eclipse.core.runtime.IProgressMonitor;
-import org.eclipse.core.runtime.IStatus;
-import org.eclipse.core.runtime.NullProgressMonitor;
-import org.eclipse.jface.text.Assert;
-import org.eclipse.jface.text.BadLocationException;
-import org.eclipse.jface.text.DefaultLineTracker;
-import org.eclipse.jface.text.DocumentEvent;
-import org.eclipse.jface.text.IDocument;
-import org.eclipse.jface.text.IDocumentListener;
-import org.eclipse.swt.widgets.Display;
-
-
-
-/**
- * Adapts <code>IDocument</code> to <code>IBuffer</code>. Uses the
- * same algorithm as the text widget to determine the buffer's line delimiter.
- * All text inserted into the buffer is converted to this line delimiter.
- * This class is <code>public</code> for test purposes only.
- */
-public class DocumentAdapter implements IBuffer, IDocumentListener {
-
-               /**
-                * Internal implementation of a NULL instanceof IBuffer.
-                */
-               static private class NullBuffer implements IBuffer {
-                       public void addBufferChangedListener(IBufferChangedListener listener) {}
-                       public void append(char[] text) {}
-                       public void append(String text) {}
-                       public void close() {}
-                       public char getChar(int position) { return 0; }
-                       public char[] getCharacters() { return null; }
-                       public String getContents() { return null; }
-                       public int getLength() { return 0; }
-                       public IOpenable getOwner() { return null; }
-                       public String getText(int offset, int length) { return null; }
-                       public IResource getUnderlyingResource() { return null; }
-                       public boolean hasUnsavedChanges() { return false; }
-                       public boolean isClosed() { return false; }
-                       public boolean isReadOnly() { return true; }
-                       public void removeBufferChangedListener(IBufferChangedListener listener) {}
-                       public void replace(int position, int length, char[] text) {}
-                       public void replace(int position, int length, String text) {}
-                       public void save(IProgressMonitor progress, boolean force) throws JavaModelException {}
-                       public void setContents(char[] contents) {}
-                       public void setContents(String contents) {}
-               }
-
-
-               /** NULL implementing <code>IBuffer</code> */
-               public final static IBuffer NULL= new NullBuffer();
-
-
-               /**
-                *  Executes a document set content call in the ui thread.
-                */
-               protected class DocumentSetCommand implements Runnable {
-
-                       private String fContents;
-
-                       public void run() {
-                               fDocument.set(fContents);
-                       }
-
-                       public void set(String contents) {
-                               fContents= contents;
-                               Display.getDefault().syncExec(this);
-                       }
-               }
-
-               /**
-                * Executes a document replace call in the ui thread.
-                */
-               protected class DocumentReplaceCommand implements Runnable {
-
-                       private int fOffset;
-                       private int fLength;
-                       private String fText;
-
-                       public void run() {
-                               try {
-                                       fDocument.replace(fOffset, fLength, fText);
-                               } catch (BadLocationException x) {
-                                       // ignore
-                               }
-                       }
-
-                       public void replace(int offset, int length, String text) {
-                               fOffset= offset;
-                               fLength= length;
-                               fText= text;
-                               Display.getDefault().syncExec(this);
-                       }
-               }
-
-       private static final boolean DEBUG_LINE_DELIMITERS= true;
-
-       private IOpenable fOwner;
-       private IFile fFile;
-       private ITextFileBuffer fTextFileBuffer;
-       private IDocument fDocument;
-
-       private DocumentSetCommand fSetCmd= new DocumentSetCommand();
-       private DocumentReplaceCommand fReplaceCmd= new DocumentReplaceCommand();
-
-       private Set fLegalLineDelimiters;
-
-       private List fBufferListeners= new ArrayList(3);
-       private IStatus fStatus;
-
-
-       /**
-        * This method is <code>public</code> for test purposes only.
-        */
-       public DocumentAdapter(IOpenable owner, IFile file) {
-
-               fOwner= owner;
-               fFile= file;
-
-               initialize();
-       }
-
-       private void initialize() {
-               ITextFileBufferManager manager= FileBuffers.getTextFileBufferManager();
-               IPath location= fFile.getFullPath();
-               try {
-                       manager.connect(location, new NullProgressMonitor());
-                       fTextFileBuffer= manager.getTextFileBuffer(location);
-                       fDocument= fTextFileBuffer.getDocument();
-               } catch (CoreException x) {
-                       fStatus= x.getStatus();
-                       fDocument= manager.createEmptyDocument(location);
-               }
-               fDocument.addPrenotifiedDocumentListener(this);
-       }
-
-       /**
-        * Returns the status of this document adapter.
-        */
-       public IStatus getStatus() {
-               if (fStatus != null)
-                       return fStatus;
-               if (fTextFileBuffer != null)
-                       return fTextFileBuffer.getStatus();
-               return null;
-       }
-
-       /**
-        * Returns the adapted document.
-        *
-        * @return the adapted document
-        */
-       public IDocument getDocument() {
-               return fDocument;
-       }
-
-       /*
-        * @see IBuffer#addBufferChangedListener(IBufferChangedListener)
-        */
-       public void addBufferChangedListener(IBufferChangedListener listener) {
-               Assert.isNotNull(listener);
-               if (!fBufferListeners.contains(listener))
-                       fBufferListeners.add(listener);
-       }
-
-       /*
-        * @see IBuffer#removeBufferChangedListener(IBufferChangedListener)
-        */
-       public void removeBufferChangedListener(IBufferChangedListener listener) {
-               Assert.isNotNull(listener);
-               fBufferListeners.remove(listener);
-       }
-
-       /*
-        * @see IBuffer#append(char[])
-        */
-       public void append(char[] text) {
-               append(new String(text));
-       }
-
-       /*
-        * @see IBuffer#append(String)
-        */
-       public void append(String text) {
-               if (DEBUG_LINE_DELIMITERS) {
-                       validateLineDelimiters(text);
-               }
-               fReplaceCmd.replace(fDocument.getLength(), 0, text);
-       }
-
-       /*
-        * @see IBuffer#close()
-        */
-       public void close() {
-
-               if (isClosed())
-                       return;
-
-               IDocument d= fDocument;
-               fDocument= null;
-               d.removePrenotifiedDocumentListener(this);
-
-               if (fTextFileBuffer != null) {
-                       ITextFileBufferManager manager= FileBuffers.getTextFileBufferManager();
-                       try {
-                               manager.disconnect(fTextFileBuffer.getLocation(), new NullProgressMonitor());
-                       } catch (CoreException x) {
-                               // ignore
-                       }
-                       fTextFileBuffer= null;
-               }
-
-               fireBufferChanged(new BufferChangedEvent(this, 0, 0, null));
-               fBufferListeners.clear();
-       }
-
-       /*
-        * @see IBuffer#getChar(int)
-        */
-       public char getChar(int position) {
-               try {
-                       return fDocument.getChar(position);
-               } catch (BadLocationException x) {
-                       throw new ArrayIndexOutOfBoundsException();
-               }
-       }
-
-       /*
-        *  @see IBuffer#getCharacters()
-        */
-       public char[] getCharacters() {
-               String content= getContents();
-               return content == null ? null : content.toCharArray();
-       }
-
-       /*
-        * @see IBuffer#getContents()
-        */
-       public String getContents() {
-               return fDocument.get();
-       }
-
-       /*
-        * @see IBuffer#getLength()
-        */
-       public int getLength() {
-               return fDocument.getLength();
-       }
-
-       /*
-        * @see IBuffer#getOwner()
-        */
-       public IOpenable getOwner() {
-               return fOwner;
-       }
-
-       /*
-        * @see IBuffer#getText(int, int)
-        */
-       public String getText(int offset, int length) {
-               try {
-                       return fDocument.get(offset, length);
-               } catch (BadLocationException x) {
-                       throw new ArrayIndexOutOfBoundsException();
-               }
-       }
-
-       /*
-        * @see IBuffer#getUnderlyingResource()
-        */
-       public IResource getUnderlyingResource() {
-               return fFile;
-       }
-
-       /*
-        * @see IBuffer#hasUnsavedChanges()
-        */
-       public boolean hasUnsavedChanges() {
-               return fTextFileBuffer != null ? fTextFileBuffer.isDirty() : false;
-       }
-
-       /*
-        * @see IBuffer#isClosed()
-        */
-       public boolean isClosed() {
-               return fDocument == null;
-       }
-
-       /*
-        * @see IBuffer#isReadOnly()
-        */
-       public boolean isReadOnly() {
-               IResource resource= getUnderlyingResource();
-               return resource == null ? true : resource.getResourceAttributes().isReadOnly();
-       }
-
-       /*
-        * @see IBuffer#replace(int, int, char[])
-        */
-       public void replace(int position, int length, char[] text) {
-               replace(position, length, new String(text));
-       }
-
-       /*
-        * @see IBuffer#replace(int, int, String)
-        */
-       public void replace(int position, int length, String text) {
-               if (DEBUG_LINE_DELIMITERS) {
-                       validateLineDelimiters(text);
-               }
-               fReplaceCmd.replace(position, length, text);
-       }
-
-       /*
-        * @see IBuffer#save(IProgressMonitor, boolean)
-        */
-       public void save(IProgressMonitor progress, boolean force) throws JavaModelException {
-               try {
-                       if (fTextFileBuffer != null)
-                               fTextFileBuffer.commit(progress, force);
-               } catch (CoreException e) {
-                       throw new JavaModelException(e);
-               }
-       }
-
-       /*
-        * @see IBuffer#setContents(char[])
-        */
-       public void setContents(char[] contents) {
-               setContents(new String(contents));
-       }
-
-       /*
-        * @see IBuffer#setContents(String)
-        */
-       public void setContents(String contents) {
-               int oldLength= fDocument.getLength();
-
-               if (contents == null) {
-
-                       if (oldLength != 0)
-                               fSetCmd.set(""); //$NON-NLS-1$
-
-               } else {
-
-                       // set only if different
-                       if (DEBUG_LINE_DELIMITERS) {
-                               validateLineDelimiters(contents);
-                       }
-
-                       if (!contents.equals(fDocument.get()))
-                               fSetCmd.set(contents);
-               }
-       }
-
-
-       private void validateLineDelimiters(String contents) {
-
-               if (fLegalLineDelimiters == null) {
-                       // collect all line delimiters in the document
-                       HashSet existingDelimiters= new HashSet();
-
-                       for (int i= fDocument.getNumberOfLines() - 1; i >= 0; i-- ) {
-                               try {
-                                       String curr= fDocument.getLineDelimiter(i);
-                                       if (curr != null) {
-                                               existingDelimiters.add(curr);
-                                       }
-                               } catch (BadLocationException e) {
-                                       PHPeclipsePlugin.log(e);
-                               }
-                       }
-                       if (existingDelimiters.isEmpty()) {
-                               return; // first insertion of a line delimiter: no test
-                       }
-                       fLegalLineDelimiters= existingDelimiters;
-
-               }
-
-               DefaultLineTracker tracker= new DefaultLineTracker();
-               tracker.set(contents);
-
-               int lines= tracker.getNumberOfLines();
-               if (lines <= 1)
-                       return;
-
-               for (int i= 0; i < lines; i++) {
-                       try {
-                               String curr= tracker.getLineDelimiter(i);
-                               if (curr != null && !fLegalLineDelimiters.contains(curr)) {
-                                       StringBuffer buf= new StringBuffer("New line delimiter added to new code: "); //$NON-NLS-1$
-                                       for (int k= 0; k < curr.length(); k++) {
-                                               buf.append(String.valueOf((int) curr.charAt(k)));
-                                       }
-                                       PHPeclipsePlugin.log(new Exception(buf.toString()));
-                               }
-                       } catch (BadLocationException e) {
-                               PHPeclipsePlugin.log(e);
-                       }
-               }
-       }
-
-       /*
-        * @see IDocumentListener#documentAboutToBeChanged(DocumentEvent)
-        */
-       public void documentAboutToBeChanged(DocumentEvent event) {
-               // there is nothing to do here
-       }
-
-       /*
-        * @see IDocumentListener#documentChanged(DocumentEvent)
-        */
-       public void documentChanged(DocumentEvent event) {
-               fireBufferChanged(new BufferChangedEvent(this, event.getOffset(), event.getLength(), event.getText()));
-       }
-
-       private void fireBufferChanged(BufferChangedEvent event) {
-               if (fBufferListeners != null && fBufferListeners.size() > 0) {
-                       Iterator e= new ArrayList(fBufferListeners).iterator();
-                       while (e.hasNext())
-                               ((IBufferChangedListener) e.next()).bufferChanged(event);
-               }
-       }
-}