new version with WorkingCopy Management
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpeclipse / phpeditor / PHPEditor.java
index f5f9edf..a2f3ae0 100644 (file)
@@ -11,65 +11,1195 @@ Contributors:
     IBM Corporation - Initial implementation
     Klaus Hartlage - www.eclipseproject.de
 **********************************************************************/
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+import java.util.ResourceBundle;
+import java.util.StringTokenizer;
+
+import net.sourceforge.phpdt.core.ICompilationUnit;
+import net.sourceforge.phpdt.core.IJavaElement;
+import net.sourceforge.phpdt.core.IMember;
+import net.sourceforge.phpdt.core.ISourceRange;
+import net.sourceforge.phpdt.core.ISourceReference;
+import net.sourceforge.phpdt.core.JavaModelException;
 import net.sourceforge.phpdt.internal.ui.actions.CompositeActionGroup;
+import net.sourceforge.phpdt.internal.ui.text.HTMLTextPresenter;
+import net.sourceforge.phpdt.internal.ui.text.PHPPairMatcher;
+import net.sourceforge.phpdt.internal.ui.viewsupport.IViewPartInputProvider;
+import net.sourceforge.phpdt.ui.IContextMenuConstants;
+import net.sourceforge.phpdt.ui.JavaUI;
+import net.sourceforge.phpdt.ui.PreferenceConstants;
 import net.sourceforge.phpdt.ui.actions.GenerateActionGroup;
-import net.sourceforge.phpeclipse.IPreferenceConstants;
+import net.sourceforge.phpdt.ui.actions.GotoMatchingBracketAction;
+import net.sourceforge.phpdt.ui.text.IColorManager;
+import net.sourceforge.phpdt.ui.text.JavaTextTools;
+import net.sourceforge.phpeclipse.PHPCore;
 import net.sourceforge.phpeclipse.PHPeclipsePlugin;
-import net.sourceforge.phpeclipse.phpeditor.php.PHPCodeScanner;
-import net.sourceforge.phpeclipse.phpeditor.php.PHPWordExtractor;
-import net.sourceforge.phpeclipse.phpeditor.util.PHPColorProvider;
+import net.sourceforge.phpeclipse.phpeditor.php.IPHPPartitionScannerConstants;
 
+import org.eclipse.core.resources.IMarker;
+import org.eclipse.core.resources.IResource;
 import org.eclipse.core.runtime.CoreException;
-import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Preferences;
 import org.eclipse.jface.action.Action;
+import org.eclipse.jface.action.GroupMarker;
 import org.eclipse.jface.action.IAction;
 import org.eclipse.jface.action.MenuManager;
+import org.eclipse.jface.action.Separator;
 import org.eclipse.jface.preference.IPreferenceStore;
 import org.eclipse.jface.preference.PreferenceConverter;
 import org.eclipse.jface.text.BadLocationException;
+import org.eclipse.jface.text.DefaultInformationControl;
+import org.eclipse.jface.text.DocumentEvent;
 import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.IDocumentListener;
+import org.eclipse.jface.text.IInformationControl;
+import org.eclipse.jface.text.IInformationControlCreator;
+import org.eclipse.jface.text.IRegion;
+import org.eclipse.jface.text.ITextHover;
+import org.eclipse.jface.text.ITextInputListener;
 import org.eclipse.jface.text.ITextOperationTarget;
+import org.eclipse.jface.text.ITextSelection;
+import org.eclipse.jface.text.ITextViewer;
+import org.eclipse.jface.text.ITextViewerExtension2;
+import org.eclipse.jface.text.ITextViewerExtension3;
+import org.eclipse.jface.text.ITypedRegion;
+import org.eclipse.jface.text.Position;
+import org.eclipse.jface.text.Region;
+import org.eclipse.jface.text.TextSelection;
+import org.eclipse.jface.text.information.IInformationProvider;
+import org.eclipse.jface.text.information.InformationPresenter;
+import org.eclipse.jface.text.source.Annotation;
 import org.eclipse.jface.text.source.AnnotationRulerColumn;
 import org.eclipse.jface.text.source.CompositeRuler;
+import org.eclipse.jface.text.source.IAnnotationAccess;
+import org.eclipse.jface.text.source.IAnnotationModel;
+import org.eclipse.jface.text.source.IOverviewRuler;
+import org.eclipse.jface.text.source.ISharedTextColors;
 import org.eclipse.jface.text.source.ISourceViewer;
+import org.eclipse.jface.text.source.ISourceViewerExtension;
 import org.eclipse.jface.text.source.IVerticalRuler;
 import org.eclipse.jface.text.source.IVerticalRulerColumn;
 import org.eclipse.jface.text.source.LineNumberRulerColumn;
+import org.eclipse.jface.text.source.OverviewRuler;
+import org.eclipse.jface.text.source.SourceViewer;
+import org.eclipse.jface.text.source.SourceViewerConfiguration;
 import org.eclipse.jface.util.IPropertyChangeListener;
 import org.eclipse.jface.util.PropertyChangeEvent;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.ISelectionChangedListener;
+import org.eclipse.jface.viewers.ISelectionProvider;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.jface.viewers.SelectionChangedEvent;
+import org.eclipse.jface.viewers.StructuredSelection;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.custom.BidiSegmentEvent;
+import org.eclipse.swt.custom.BidiSegmentListener;
+import org.eclipse.swt.custom.StyleRange;
+import org.eclipse.swt.custom.StyledText;
+import org.eclipse.swt.events.FocusEvent;
+import org.eclipse.swt.events.FocusListener;
+import org.eclipse.swt.events.KeyEvent;
+import org.eclipse.swt.events.KeyListener;
+import org.eclipse.swt.events.MouseEvent;
+import org.eclipse.swt.events.MouseListener;
+import org.eclipse.swt.events.MouseMoveListener;
+import org.eclipse.swt.events.PaintEvent;
+import org.eclipse.swt.events.PaintListener;
+import org.eclipse.swt.graphics.Color;
+import org.eclipse.swt.graphics.Cursor;
+import org.eclipse.swt.graphics.GC;
+import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.graphics.Point;
 import org.eclipse.swt.graphics.RGB;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Shell;
 import org.eclipse.ui.IEditorInput;
+import org.eclipse.ui.IPageLayout;
+import org.eclipse.ui.IPartService;
+import org.eclipse.ui.IViewPart;
+import org.eclipse.ui.IWorkbenchPage;
+import org.eclipse.ui.IWorkbenchPart;
+import org.eclipse.ui.IWorkbenchWindow;
 import org.eclipse.ui.actions.ActionContext;
 import org.eclipse.ui.actions.ActionGroup;
-import org.eclipse.ui.editors.text.TextEditor;
+import org.eclipse.ui.editors.text.DefaultEncodingSupport;
+import org.eclipse.ui.editors.text.IEncodingSupport;
+import org.eclipse.ui.part.IShowInTargetList;
+import org.eclipse.ui.texteditor.AddTaskAction;
+import org.eclipse.ui.texteditor.ContentAssistAction;
 import org.eclipse.ui.texteditor.DefaultRangeIndicator;
+import org.eclipse.ui.texteditor.IAbstractTextEditorHelpContextIds;
+import org.eclipse.ui.texteditor.IDocumentProvider;
+import org.eclipse.ui.texteditor.IEditorStatusLine;
 import org.eclipse.ui.texteditor.ITextEditorActionConstants;
+import org.eclipse.ui.texteditor.ITextEditorActionDefinitionIds;
+import org.eclipse.ui.texteditor.MarkerAnnotation;
+import org.eclipse.ui.texteditor.ResourceAction;
+import org.eclipse.ui.texteditor.SourceViewerDecorationSupport;
+import org.eclipse.ui.texteditor.StatusTextEditor;
+import org.eclipse.ui.texteditor.TextEditorAction;
 import org.eclipse.ui.texteditor.TextOperationAction;
 import org.eclipse.ui.views.contentoutline.IContentOutlinePage;
+import org.eclipse.ui.views.tasklist.TaskList;
+
 /**
  * PHP specific text editor.
  */
-public class PHPEditor extends TextEditor {
+public abstract class PHPEditor extends StatusTextEditor implements IViewPartInputProvider { // extends TextEditor {
+  /**
+        * "Smart" runnable for updating the outline page's selection.
+        */
+  class OutlinePageSelectionUpdater implements Runnable {
+
+    /** Has the runnable already been posted? */
+    private boolean fPosted = false;
+
+    public OutlinePageSelectionUpdater() {
+    }
+
+    /*
+     * @see Runnable#run()
+     */
+    public void run() {
+      synchronizeOutlinePageSelection();
+      fPosted = false;
+    }
+
+    /**
+     * Posts this runnable into the event queue.
+     */
+    public void post() {
+      if (fPosted)
+        return;
+
+      Shell shell = getSite().getShell();
+      if (shell != null & !shell.isDisposed()) {
+        fPosted = true;
+        shell.getDisplay().asyncExec(this);
+      }
+    }
+  };
+  class SelectionChangedListener implements ISelectionChangedListener {
+    public void selectionChanged(SelectionChangedEvent event) {
+      doSelectionChanged(event);
+    }
+  };
+
+  /*
+  * Link mode.  
+  */
+  class MouseClickListener
+    implements KeyListener, MouseListener, MouseMoveListener, FocusListener, PaintListener, IPropertyChangeListener, IDocumentListener, ITextInputListener {
+
+    /** The session is active. */
+    private boolean fActive;
+
+    /** The currently active style range. */
+    private IRegion fActiveRegion;
+    /** The currently active style range as position. */
+    private Position fRememberedPosition;
+    /** The hand cursor. */
+    private Cursor fCursor;
+
+    /** The link color. */
+    private Color fColor;
+    /** The key modifier mask. */
+    private int fKeyModifierMask;
+
+    public void deactivate() {
+      deactivate(false);
+    }
+
+    public void deactivate(boolean redrawAll) {
+      if (!fActive)
+        return;
+
+      repairRepresentation(redrawAll);
+      fActive = false;
+    }
+
+    public void install() {
+
+      ISourceViewer sourceViewer = getSourceViewer();
+      if (sourceViewer == null)
+        return;
+
+      StyledText text = sourceViewer.getTextWidget();
+      if (text == null || text.isDisposed())
+        return;
+
+      updateColor(sourceViewer);
+
+      sourceViewer.addTextInputListener(this);
+
+      IDocument document = sourceViewer.getDocument();
+      if (document != null)
+        document.addDocumentListener(this);
+
+      text.addKeyListener(this);
+      text.addMouseListener(this);
+      text.addMouseMoveListener(this);
+      text.addFocusListener(this);
+      text.addPaintListener(this);
+
+      updateKeyModifierMask();
+
+      IPreferenceStore preferenceStore = getPreferenceStore();
+      preferenceStore.addPropertyChangeListener(this);
+    }
+
+    private void updateKeyModifierMask() {
+      String modifiers = getPreferenceStore().getString(BROWSER_LIKE_LINKS_KEY_MODIFIER);
+      fKeyModifierMask = computeStateMask(modifiers);
+      if (fKeyModifierMask == -1) {
+        // Fallback to stored state mask
+        fKeyModifierMask = getPreferenceStore().getInt(BROWSER_LIKE_LINKS_KEY_MODIFIER_MASK);
+      };
+    }
+
+    private int computeStateMask(String modifiers) {
+      if (modifiers == null)
+        return -1;
+
+      if (modifiers.length() == 0)
+        return SWT.NONE;
+
+      int stateMask = 0;
+      StringTokenizer modifierTokenizer = new StringTokenizer(modifiers, ",;.:+-* "); //$NON-NLS-1$
+      while (modifierTokenizer.hasMoreTokens()) {
+        int modifier = EditorUtility.findLocalizedModifier(modifierTokenizer.nextToken());
+        if (modifier == 0 || (stateMask & modifier) == modifier)
+          return -1;
+        stateMask = stateMask | modifier;
+      }
+      return stateMask;
+    }
+
+    public void uninstall() {
+
+      if (fColor != null) {
+        fColor.dispose();
+        fColor = null;
+      }
+
+      if (fCursor != null) {
+        fCursor.dispose();
+        fCursor = null;
+      }
+
+      ISourceViewer sourceViewer = getSourceViewer();
+      if (sourceViewer == null)
+        return;
+
+      sourceViewer.removeTextInputListener(this);
+
+      IDocument document = sourceViewer.getDocument();
+      if (document != null)
+        document.removeDocumentListener(this);
+
+      IPreferenceStore preferenceStore = getPreferenceStore();
+      if (preferenceStore != null)
+        preferenceStore.removePropertyChangeListener(this);
+
+      StyledText text = sourceViewer.getTextWidget();
+      if (text == null || text.isDisposed())
+        return;
+
+      text.removeKeyListener(this);
+      text.removeMouseListener(this);
+      text.removeMouseMoveListener(this);
+      text.removeFocusListener(this);
+      text.removePaintListener(this);
+    }
+
+    /*
+     * @see IPropertyChangeListener#propertyChange(PropertyChangeEvent)
+     */
+    public void propertyChange(PropertyChangeEvent event) {
+      if (event.getProperty().equals(PHPEditor.LINK_COLOR)) {
+        ISourceViewer viewer = getSourceViewer();
+        if (viewer != null)
+          updateColor(viewer);
+      } else if (event.getProperty().equals(BROWSER_LIKE_LINKS_KEY_MODIFIER)) {
+        updateKeyModifierMask();
+      }
+    }
+
+    private void updateColor(ISourceViewer viewer) {
+      if (fColor != null)
+        fColor.dispose();
+
+      StyledText text = viewer.getTextWidget();
+      if (text == null || text.isDisposed())
+        return;
+
+      Display display = text.getDisplay();
+      fColor = createColor(getPreferenceStore(), PHPEditor.LINK_COLOR, display);
+    }
+
+    /**
+     * Creates a color from the information stored in the given preference store.
+     * Returns <code>null</code> if there is no such information available.
+     */
+    private Color createColor(IPreferenceStore store, String key, Display display) {
+
+      RGB rgb = null;
+
+      if (store.contains(key)) {
+
+        if (store.isDefault(key))
+          rgb = PreferenceConverter.getDefaultColor(store, key);
+        else
+          rgb = PreferenceConverter.getColor(store, key);
+
+        if (rgb != null)
+          return new Color(display, rgb);
+      }
+
+      return null;
+    }
+
+    private void repairRepresentation() {
+      repairRepresentation(false);
+    }
+
+    private void repairRepresentation(boolean redrawAll) {
+
+      if (fActiveRegion == null)
+        return;
+
+      ISourceViewer viewer = getSourceViewer();
+      if (viewer != null) {
+        resetCursor(viewer);
+
+        int offset = fActiveRegion.getOffset();
+        int length = fActiveRegion.getLength();
+
+        // remove style
+        if (!redrawAll && viewer instanceof ITextViewerExtension2)
+           ((ITextViewerExtension2) viewer).invalidateTextPresentation(offset, length);
+        else
+          viewer.invalidateTextPresentation();
+
+        // remove underline                            
+        if (viewer instanceof ITextViewerExtension3) {
+          ITextViewerExtension3 extension = (ITextViewerExtension3) viewer;
+          offset = extension.modelOffset2WidgetOffset(offset);
+        } else {
+          offset -= viewer.getVisibleRegion().getOffset();
+        }
+
+        StyledText text = viewer.getTextWidget();
+        try {
+          text.redrawRange(offset, length, true);
+        } catch (IllegalArgumentException x) {
+          PHPeclipsePlugin.log(x);
+        }
+      }
+
+      fActiveRegion = null;
+    }
+
+    // will eventually be replaced by a method provided by jdt.core            
+    private IRegion selectWord(IDocument document, int anchor) {
+
+      try {
+        int offset = anchor;
+        char c;
+
+        while (offset >= 0) {
+          c = document.getChar(offset);
+          if (!Character.isJavaIdentifierPart(c))
+            break;
+          --offset;
+        }
+
+        int start = offset;
+
+        offset = anchor;
+        int length = document.getLength();
+
+        while (offset < length) {
+          c = document.getChar(offset);
+          if (!Character.isJavaIdentifierPart(c))
+            break;
+          ++offset;
+        }
+
+        int end = offset;
+
+        if (start == end)
+          return new Region(start, 0);
+        else
+          return new Region(start + 1, end - start - 1);
+
+      } catch (BadLocationException x) {
+        return null;
+      }
+    }
+
+    IRegion getCurrentTextRegion(ISourceViewer viewer) {
+
+      int offset = getCurrentTextOffset(viewer);
+      if (offset == -1)
+        return null;
+
+      return null;
+      //                               IJavaElement input= SelectionConverter.getInput(PHPEditor.this);
+      //                               if (input == null)
+      //                                       return null;
+      //      
+      //                               try {
+      //                               
+      //                                       IJavaElement[] elements= null;
+      //                                       synchronized (input) {
+      //                                               elements= ((ICodeAssist) input).codeSelect(offset, 0);
+      //                                       }
+      //                               
+      //                                       if (elements == null || elements.length == 0)
+      //                                               return null;
+      //                                       
+      //                                       return selectWord(viewer.getDocument(), offset);
+      //                                       
+      //                               } catch (JavaModelException e) {
+      //                                       return null;    
+      //                               }
+    }
+
+    private int getCurrentTextOffset(ISourceViewer viewer) {
+
+      try {
+        StyledText text = viewer.getTextWidget();
+        if (text == null || text.isDisposed())
+          return -1;
+
+        Display display = text.getDisplay();
+        Point absolutePosition = display.getCursorLocation();
+        Point relativePosition = text.toControl(absolutePosition);
+
+        int widgetOffset = text.getOffsetAtLocation(relativePosition);
+        if (viewer instanceof ITextViewerExtension3) {
+          ITextViewerExtension3 extension = (ITextViewerExtension3) viewer;
+          return extension.widgetOffset2ModelOffset(widgetOffset);
+        } else {
+          return widgetOffset + viewer.getVisibleRegion().getOffset();
+        }
+
+      } catch (IllegalArgumentException e) {
+        return -1;
+      }
+    }
+
+    private void highlightRegion(ISourceViewer viewer, IRegion region) {
+
+      if (region.equals(fActiveRegion))
+        return;
+
+      repairRepresentation();
+
+      StyledText text = viewer.getTextWidget();
+      if (text == null || text.isDisposed())
+        return;
+
+      // highlight region
+      int offset = 0;
+      int length = 0;
+
+      if (viewer instanceof ITextViewerExtension3) {
+        ITextViewerExtension3 extension = (ITextViewerExtension3) viewer;
+        IRegion widgetRange = extension.modelRange2WidgetRange(region);
+        if (widgetRange == null)
+          return;
+
+        offset = widgetRange.getOffset();
+        length = widgetRange.getLength();
+
+      } else {
+        offset = region.getOffset() - viewer.getVisibleRegion().getOffset();
+        length = region.getLength();
+      }
+
+      StyleRange oldStyleRange = text.getStyleRangeAtOffset(offset);
+      Color foregroundColor = fColor;
+      Color backgroundColor = oldStyleRange == null ? text.getBackground() : oldStyleRange.background;
+      StyleRange styleRange = new StyleRange(offset, length, foregroundColor, backgroundColor);
+      text.setStyleRange(styleRange);
+
+      // underline
+      text.redrawRange(offset, length, true);
+
+      fActiveRegion = region;
+    }
+
+    private void activateCursor(ISourceViewer viewer) {
+      StyledText text = viewer.getTextWidget();
+      if (text == null || text.isDisposed())
+        return;
+      Display display = text.getDisplay();
+      if (fCursor == null)
+        fCursor = new Cursor(display, SWT.CURSOR_HAND);
+      text.setCursor(fCursor);
+    }
+
+    private void resetCursor(ISourceViewer viewer) {
+      StyledText text = viewer.getTextWidget();
+      if (text != null && !text.isDisposed())
+        text.setCursor(null);
+
+      if (fCursor != null) {
+        fCursor.dispose();
+        fCursor = null;
+      }
+    }
+
+    /*
+     * @see org.eclipse.swt.events.KeyListener#keyPressed(org.eclipse.swt.events.KeyEvent)
+     */
+    public void keyPressed(KeyEvent event) {
+
+      if (fActive) {
+        deactivate();
+        return;
+      }
+
+      if (event.keyCode != fKeyModifierMask) {
+        deactivate();
+        return;
+      }
+
+      fActive = true;
+
+      //                               removed for #25871                      
+      //
+      //                               ISourceViewer viewer= getSourceViewer();
+      //                               if (viewer == null)
+      //                                       return;
+      //                       
+      //                               IRegion region= getCurrentTextRegion(viewer);
+      //                               if (region == null)
+      //                                       return;
+      //                       
+      //                               highlightRegion(viewer, region);
+      //                               activateCursor(viewer);                                                                                         
+    }
+
+    /*
+     * @see org.eclipse.swt.events.KeyListener#keyReleased(org.eclipse.swt.events.KeyEvent)
+     */
+    public void keyReleased(KeyEvent event) {
+
+      if (!fActive)
+        return;
+
+      deactivate();
+    }
+
+    /*
+     * @see org.eclipse.swt.events.MouseListener#mouseDoubleClick(org.eclipse.swt.events.MouseEvent)
+     */
+    public void mouseDoubleClick(MouseEvent e) {
+    }
+    /*
+     * @see org.eclipse.swt.events.MouseListener#mouseDown(org.eclipse.swt.events.MouseEvent)
+     */
+    public void mouseDown(MouseEvent event) {
+
+      if (!fActive)
+        return;
+
+      if (event.stateMask != fKeyModifierMask) {
+        deactivate();
+        return;
+      }
+
+      if (event.button != 1) {
+        deactivate();
+        return;
+      }
+    }
+
+    /*
+     * @see org.eclipse.swt.events.MouseListener#mouseUp(org.eclipse.swt.events.MouseEvent)
+     */
+    public void mouseUp(MouseEvent e) {
+
+      if (!fActive)
+        return;
+
+      if (e.button != 1) {
+        deactivate();
+        return;
+      }
+
+      boolean wasActive = fCursor != null;
+
+      deactivate();
+
+      if (wasActive) {
+        IAction action = getAction("OpenEditor"); //$NON-NLS-1$
+        if (action != null)
+          action.run();
+      }
+    }
+
+    /*
+     * @see org.eclipse.swt.events.MouseMoveListener#mouseMove(org.eclipse.swt.events.MouseEvent)
+     */
+    public void mouseMove(MouseEvent event) {
+
+      if (event.widget instanceof Control && !((Control) event.widget).isFocusControl()) {
+        deactivate();
+        return;
+      }
+
+      if (!fActive) {
+        if (event.stateMask != fKeyModifierMask)
+          return;
+        // modifier was already pressed
+        fActive = true;
+      }
+
+      ISourceViewer viewer = getSourceViewer();
+      if (viewer == null) {
+        deactivate();
+        return;
+      }
+
+      StyledText text = viewer.getTextWidget();
+      if (text == null || text.isDisposed()) {
+        deactivate();
+        return;
+      }
+
+      if ((event.stateMask & SWT.BUTTON1) != 0 && text.getSelectionCount() != 0) {
+        deactivate();
+        return;
+      }
+
+      IRegion region = getCurrentTextRegion(viewer);
+      if (region == null || region.getLength() == 0) {
+        repairRepresentation();
+        return;
+      }
+
+      highlightRegion(viewer, region);
+      activateCursor(viewer);
+    }
+
+    /*
+     * @see org.eclipse.swt.events.FocusListener#focusGained(org.eclipse.swt.events.FocusEvent)
+     */
+    public void focusGained(FocusEvent e) {
+    }
+
+    /*
+     * @see org.eclipse.swt.events.FocusListener#focusLost(org.eclipse.swt.events.FocusEvent)
+     */
+    public void focusLost(FocusEvent event) {
+      deactivate();
+    }
+
+    /*
+     * @see org.eclipse.jface.text.IDocumentListener#documentAboutToBeChanged(org.eclipse.jface.text.DocumentEvent)
+     */
+    public void documentAboutToBeChanged(DocumentEvent event) {
+      if (fActive && fActiveRegion != null) {
+        fRememberedPosition = new Position(fActiveRegion.getOffset(), fActiveRegion.getLength());
+        try {
+          event.getDocument().addPosition(fRememberedPosition);
+        } catch (BadLocationException x) {
+          fRememberedPosition = null;
+        }
+      }
+    }
+
+    /*
+     * @see org.eclipse.jface.text.IDocumentListener#documentChanged(org.eclipse.jface.text.DocumentEvent)
+     */
+    public void documentChanged(DocumentEvent event) {
+      if (fRememberedPosition != null && !fRememberedPosition.isDeleted()) {
+        event.getDocument().removePosition(fRememberedPosition);
+        fActiveRegion = new Region(fRememberedPosition.getOffset(), fRememberedPosition.getLength());
+      }
+      fRememberedPosition = null;
+
+      ISourceViewer viewer = getSourceViewer();
+      if (viewer != null) {
+        StyledText widget = viewer.getTextWidget();
+        if (widget != null && !widget.isDisposed()) {
+          widget.getDisplay().asyncExec(new Runnable() {
+            public void run() {
+              deactivate();
+            }
+          });
+        }
+      }
+    }
+
+    /*
+     * @see org.eclipse.jface.text.ITextInputListener#inputDocumentAboutToBeChanged(org.eclipse.jface.text.IDocument, org.eclipse.jface.text.IDocument)
+     */
+    public void inputDocumentAboutToBeChanged(IDocument oldInput, IDocument newInput) {
+      if (oldInput == null)
+        return;
+      deactivate();
+      oldInput.removeDocumentListener(this);
+    }
+
+    /*
+     * @see org.eclipse.jface.text.ITextInputListener#inputDocumentChanged(org.eclipse.jface.text.IDocument, org.eclipse.jface.text.IDocument)
+     */
+    public void inputDocumentChanged(IDocument oldInput, IDocument newInput) {
+      if (newInput == null)
+        return;
+      newInput.addDocumentListener(this);
+    }
+
+    /*
+     * @see PaintListener#paintControl(PaintEvent)
+     */
+    public void paintControl(PaintEvent event) {
+      if (fActiveRegion == null)
+        return;
+
+      ISourceViewer viewer = getSourceViewer();
+      if (viewer == null)
+        return;
+
+      StyledText text = viewer.getTextWidget();
+      if (text == null || text.isDisposed())
+        return;
+
+      int offset = 0;
+      int length = 0;
+
+      if (viewer instanceof ITextViewerExtension3) {
+
+        ITextViewerExtension3 extension = (ITextViewerExtension3) viewer;
+        IRegion widgetRange = extension.modelRange2WidgetRange(new Region(offset, length));
+        if (widgetRange == null)
+          return;
+
+        offset = widgetRange.getOffset();
+        length = widgetRange.getLength();
+
+      } else {
+
+        IRegion region = viewer.getVisibleRegion();
+        if (!includes(region, fActiveRegion))
+          return;
+
+        offset = fActiveRegion.getOffset() - region.getOffset();
+        length = fActiveRegion.getLength();
+      }
+
+      // support for bidi
+      Point minLocation = getMinimumLocation(text, offset, length);
+      Point maxLocation = getMaximumLocation(text, offset, length);
+
+      int x1 = minLocation.x;
+      int x2 = minLocation.x + maxLocation.x - minLocation.x - 1;
+      int y = minLocation.y + text.getLineHeight() - 1;
+
+      GC gc = event.gc;
+      if (fColor != null && !fColor.isDisposed())
+        gc.setForeground(fColor);
+      gc.drawLine(x1, y, x2, y);
+    }
+
+    private boolean includes(IRegion region, IRegion position) {
+      return position.getOffset() >= region.getOffset() && position.getOffset() + position.getLength() <= region.getOffset() + region.getLength();
+    }
+
+    private Point getMinimumLocation(StyledText text, int offset, int length) {
+      Point minLocation = new Point(Integer.MAX_VALUE, Integer.MAX_VALUE);
+
+      for (int i = 0; i <= length; i++) {
+        Point location = text.getLocationAtOffset(offset + i);
+
+        if (location.x < minLocation.x)
+          minLocation.x = location.x;
+        if (location.y < minLocation.y)
+          minLocation.y = location.y;
+      }
+
+      return minLocation;
+    }
+
+    private Point getMaximumLocation(StyledText text, int offset, int length) {
+      Point maxLocation = new Point(Integer.MIN_VALUE, Integer.MIN_VALUE);
+
+      for (int i = 0; i <= length; i++) {
+        Point location = text.getLocationAtOffset(offset + i);
+
+        if (location.x > maxLocation.x)
+          maxLocation.x = location.x;
+        if (location.y > maxLocation.y)
+          maxLocation.y = location.y;
+      }
+
+      return maxLocation;
+    }
+  };
+
+  /**
+   * This action dispatches into two behaviours: If there is no current text
+   * hover, the javadoc is displayed using information presenter. If there is
+   * a current text hover, it is converted into a information presenter in
+   * order to make it sticky.
+   */
+  class InformationDispatchAction extends TextEditorAction {
+
+    /** The wrapped text operation action. */
+    private final TextOperationAction fTextOperationAction;
+
+    /**
+     * Creates a dispatch action.
+     */
+    public InformationDispatchAction(ResourceBundle resourceBundle, String prefix, final TextOperationAction textOperationAction) {
+      super(resourceBundle, prefix, PHPEditor.this);
+      if (textOperationAction == null)
+        throw new IllegalArgumentException();
+      fTextOperationAction = textOperationAction;
+    }
+
+    /*
+     * @see org.eclipse.jface.action.IAction#run()
+     */
+    public void run() {
+
+      ISourceViewer sourceViewer = getSourceViewer();
+      if (sourceViewer == null) {
+        fTextOperationAction.run();
+        return;
+      }
+
+      if (!(sourceViewer instanceof ITextViewerExtension2)) {
+        fTextOperationAction.run();
+        return;
+      }
+
+      ITextViewerExtension2 textViewerExtension2 = (ITextViewerExtension2) sourceViewer;
+
+      // does a text hover exist?
+      ITextHover textHover = textViewerExtension2.getCurrentTextHover();
+      if (textHover == null) {
+        fTextOperationAction.run();
+        return;
+      }
+
+      Point hoverEventLocation = textViewerExtension2.getHoverEventLocation();
+      int offset = computeOffsetAtLocation(sourceViewer, hoverEventLocation.x, hoverEventLocation.y);
+      if (offset == -1) {
+        fTextOperationAction.run();
+        return;
+      }
+
+      try {
+        // get the text hover content
+        IDocument document = sourceViewer.getDocument();
+        String contentType = document.getContentType(offset);
+
+        final IRegion hoverRegion = textHover.getHoverRegion(sourceViewer, offset);
+        if (hoverRegion == null)
+          return;
+
+        final String hoverInfo = textHover.getHoverInfo(sourceViewer, hoverRegion);
+
+        // with information provider
+        IInformationProvider informationProvider = new IInformationProvider() {
+          /*
+           * @see org.eclipse.jface.text.information.IInformationProvider#getSubject(org.eclipse.jface.text.ITextViewer, int)
+           */
+          public IRegion getSubject(ITextViewer textViewer, int offset) {
+            return hoverRegion;
+          }
+          /*
+           * @see org.eclipse.jface.text.information.IInformationProvider#getInformation(org.eclipse.jface.text.ITextViewer, org.eclipse.jface.text.IRegion)
+           */
+          public String getInformation(ITextViewer textViewer, IRegion subject) {
+            return hoverInfo;
+          }
+        };
+
+        fInformationPresenter.setOffset(offset);
+        fInformationPresenter.setInformationProvider(informationProvider, contentType);
+        fInformationPresenter.showInformation();
+
+      } catch (BadLocationException e) {
+      }
+    }
+
+    // modified version from TextViewer
+    private int computeOffsetAtLocation(ITextViewer textViewer, int x, int y) {
+
+      StyledText styledText = textViewer.getTextWidget();
+      IDocument document = textViewer.getDocument();
+
+      if (document == null)
+        return -1;
+
+      try {
+        int widgetLocation = styledText.getOffsetAtLocation(new Point(x, y));
+        if (textViewer instanceof ITextViewerExtension3) {
+          ITextViewerExtension3 extension = (ITextViewerExtension3) textViewer;
+          return extension.widgetOffset2ModelOffset(widgetLocation);
+        } else {
+          IRegion visibleRegion = textViewer.getVisibleRegion();
+          return widgetLocation + visibleRegion.getOffset();
+        }
+      } catch (IllegalArgumentException e) {
+        return -1;
+      }
+
+    }
+  };
+
+  static protected class AnnotationAccess implements IAnnotationAccess {
+    /*
+     * @see org.eclipse.jface.text.source.IAnnotationAccess#getType(org.eclipse.jface.text.source.Annotation)
+     */
+    public Object getType(Annotation annotation) {
+      if (annotation instanceof IJavaAnnotation) {
+        IJavaAnnotation javaAnnotation = (IJavaAnnotation) annotation;
+        if (javaAnnotation.isRelevant())
+          return javaAnnotation.getAnnotationType();
+      }
+      return null;
+    }
+
+    /*
+     * @see org.eclipse.jface.text.source.IAnnotationAccess#isMultiLine(org.eclipse.jface.text.source.Annotation)
+     */
+    public boolean isMultiLine(Annotation annotation) {
+      return true;
+    }
+
+    /*
+     * @see org.eclipse.jface.text.source.IAnnotationAccess#isTemporary(org.eclipse.jface.text.source.Annotation)
+     */
+    public boolean isTemporary(Annotation annotation) {
+      if (annotation instanceof IJavaAnnotation) {
+        IJavaAnnotation javaAnnotation = (IJavaAnnotation) annotation;
+        if (javaAnnotation.isRelevant())
+          return javaAnnotation.isTemporary();
+      }
+      return false;
+    }
+  };
+
+  private class PropertyChangeListener implements org.eclipse.core.runtime.Preferences.IPropertyChangeListener {
+    /*
+     * @see IPropertyChangeListener#propertyChange(PropertyChangeEvent)
+     */
+    public void propertyChange(org.eclipse.core.runtime.Preferences.PropertyChangeEvent event) {
+      handlePreferencePropertyChanged(event);
+    }
+  };
+  /** Preference key for showing the line number ruler */
+  private final static String LINE_NUMBER_RULER = PreferenceConstants.EDITOR_LINE_NUMBER_RULER;
+  /** Preference key for the foreground color of the line numbers */
+  private final static String LINE_NUMBER_COLOR = PreferenceConstants.EDITOR_LINE_NUMBER_RULER_COLOR;
+  /** Preference key for the link color */
+  private final static String LINK_COLOR = PreferenceConstants.EDITOR_LINK_COLOR;
+  /** Preference key for compiler task tags */
+  private final static String COMPILER_TASK_TAGS = PHPCore.COMPILER_TASK_TAGS;
 
   // protected PHPActionGroup fActionGroups;
+  //  /** The outline page */
+  //  private AbstractContentOutlinePage fOutlinePage;
   /** The outline page */
-  private PHPContentOutlinePage fOutlinePage;
-  private IPreferenceStore phpPrefStore;
+  protected JavaOutlinePage fOutlinePage;
+  /** Outliner context menu Id */
+  protected String fOutlinerContextMenuId;
+  /** Indicates whether this editor should react on outline page selection changes */
+  private int fIgnoreOutlinePageSelection;
+  
+       /** The outline page selection updater */
+       private OutlinePageSelectionUpdater fUpdater;
+  //  protected PHPSyntaxParserThread fValidationThread = null;
+
+  // private IPreferenceStore fPHPPrefStore;
+  /** The selection changed listener */
+  protected ISelectionChangedListener fSelectionChangedListener = new SelectionChangedListener();
+
+  /** The editor's bracket matcher */
+  private PHPPairMatcher fBracketMatcher = new PHPPairMatcher(BRACKETS);
+
 
   /** The line number ruler column */
   private LineNumberRulerColumn fLineNumberRulerColumn;
+  /** This editor's encoding support */
+  private DefaultEncodingSupport fEncodingSupport;
+  /** The mouse listener */
+  private MouseClickListener fMouseListener;
 
   protected CompositeActionGroup fActionGroups;
   /** The standard action groups added to the menu */
-  private GenerateActionGroup fGenerateActionGroup;
-  private CompositeActionGroup fContextMenuGroup;
+  protected GenerateActionGroup fGenerateActionGroup;
+  protected CompositeActionGroup fContextMenuGroup;
+
+  /** The information presenter. */
+  private InformationPresenter fInformationPresenter;
+  /** The annotation access */
+  protected IAnnotationAccess fAnnotationAccess = new AnnotationAccess();
+  /** The overview ruler */
+  protected OverviewRuler isOverviewRulerVisible;
+  /** The source viewer decoration support */
+  protected SourceViewerDecorationSupport fSourceViewerDecorationSupport;
+  /** The overview ruler */
+  protected OverviewRuler fOverviewRuler;
+
+  /** The preference property change listener for java core. */
+  private org.eclipse.core.runtime.Preferences.IPropertyChangeListener fPropertyChangeListener = new PropertyChangeListener();
+  /**
+   * Returns the most narrow java element including the given offset
+   * 
+   * @param offset the offset inside of the requested element
+   */
+  abstract protected IJavaElement getElementAt(int offset);
+
+  /**
+   * Returns the java element of this editor's input corresponding to the given IJavaElement
+   */
+  abstract protected IJavaElement getCorrespondingElement(IJavaElement element);
+  /**
+        * Sets the input of the editor's outline page.
+        */
+  abstract protected void setOutlinePageInput(JavaOutlinePage page, IEditorInput input);
+
   /**
    * Default constructor.
    */
   public PHPEditor() {
     super();
-    setRulerContextMenuId("#PHPRulerContext"); //$NON-NLS-1$
+    JavaTextTools textTools = PHPeclipsePlugin.getDefault().getJavaTextTools();
+    setSourceViewerConfiguration(new PHPSourceViewerConfiguration(textTools, this));
+    setRangeIndicator(new DefaultRangeIndicator());
+    setPreferenceStore(PHPeclipsePlugin.getDefault().getPreferenceStore());
+
+    // don't activate this scope without synchronizing plugin.xml !!!
+    //    setKeyBindingScopes(new String[] { "net.sourceforge.phpdt.ui.phpEditorScope" }); //$NON-NLS-1$
+
+        if (PreferenceConstants.getPreferenceStore().getBoolean(PreferenceConstants.EDITOR_SYNC_OUTLINE_ON_CURSOR_MOVE))
+          fUpdater= new OutlinePageSelectionUpdater();
+  }
+  //
+  //   /**
+  //    * @see IMember#getCompilationUnit()
+  //    */
+  //   public ICompilationUnit getCompilationUnit() {
+  //           return this; 
+  //   }
+  //   /**
+  //    * @see org.phpeclipse.phpdt.internal.compiler.env.ICompilationUnit#getContents()
+  //    */
+  //   public char[] getContents() {
+  //           IDocument doc = this.getDocumentProvider().getDocument(this.getEditorInput());
+  //   
+  //           return doc.get().toCharArray();
+  //   }
+  /*
+   * @see org.eclipse.ui.texteditor.AbstractTextEditor#updatePropertyDependentActions()
+   */
+  protected void updatePropertyDependentActions() {
+    super.updatePropertyDependentActions();
+    if (fEncodingSupport != null)
+      fEncodingSupport.reset();
+  }
+
+  /*
+   * Update the hovering behavior depending on the preferences.
+   */
+  private void updateHoverBehavior() {
+    SourceViewerConfiguration configuration = getSourceViewerConfiguration();
+    String[] types = configuration.getConfiguredContentTypes(getSourceViewer());
+
+    for (int i = 0; i < types.length; i++) {
+
+      String t = types[i];
+
+      int[] stateMasks = configuration.getConfiguredTextHoverStateMasks(getSourceViewer(), t);
+
+      ISourceViewer sourceViewer = getSourceViewer();
+      if (sourceViewer instanceof ITextViewerExtension2) {
+        if (stateMasks != null) {
+          for (int j = 0; j < stateMasks.length; j++) {
+            int stateMask = stateMasks[j];
+            ITextHover textHover = configuration.getTextHover(sourceViewer, t, stateMask);
+            ((ITextViewerExtension2) sourceViewer).setTextHover(textHover, t, stateMask);
+          }
+        } else {
+          ITextHover textHover = configuration.getTextHover(sourceViewer, t);
+          ((ITextViewerExtension2) sourceViewer).setTextHover(textHover, t, ITextViewerExtension2.DEFAULT_HOVER_STATE_MASK);
+        }
+      } else
+        sourceViewer.setTextHover(configuration.getTextHover(sourceViewer, t), t);
+    }
+  }
+
+  public void updatedTitleImage(Image image) {
+    setTitleImage(image);
+  }
+  /*
+   * @see net.sourceforge.phpdt.internal.ui.viewsupport.IViewPartInputProvider#getViewPartInput()
+   */
+  public Object getViewPartInput() {
+    return getEditorInput().getAdapter(IResource.class);
+  }
+  /*
+   * @see org.eclipse.ui.texteditor.AbstractTextEditor#doSetSelection(ISelection)
+   */
+  protected void doSetSelection(ISelection selection) {
+    super.doSetSelection(selection);
+    synchronizeOutlinePageSelection();
+  }
+  /*
+   * @see org.eclipse.ui.IWorkbenchPart#createPartControl(org.eclipse.swt.
+   * widgets.Composite)
+   */
+  public void createPartControl(Composite parent) {
+    super.createPartControl(parent);
+
+    fSourceViewerDecorationSupport.install(getPreferenceStore());
+
+    Preferences preferences = PHPeclipsePlugin.getDefault().getPluginPreferences();
+    preferences.addPropertyChangeListener(fPropertyChangeListener);
+
+    IInformationControlCreator informationControlCreator = new IInformationControlCreator() {
+      public IInformationControl createInformationControl(Shell parent) {
+        boolean cutDown = false;
+        int style = cutDown ? SWT.NONE : (SWT.V_SCROLL | SWT.H_SCROLL);
+        return new DefaultInformationControl(parent, SWT.RESIZE, style, new HTMLTextPresenter(cutDown));
+      }
+    };
+
+    fInformationPresenter = new InformationPresenter(informationControlCreator);
+    fInformationPresenter.setSizeConstraints(60, 10, true, true);
+    fInformationPresenter.install(getSourceViewer());
+
+  }
+
+  /**
+   * Returns this document's complete text.
+   *
+   * @return the document's complete text
+   */
+  public String get() {
+    IDocument doc = this.getDocumentProvider().getDocument(this.getEditorInput());
+    return doc.get();
+  }
+
+  /**
+        * Sets the outliner's context menu ID.
+        */
+  protected void setOutlinerContextMenuId(String menuId) {
+    fOutlinerContextMenuId = menuId;
   }
 
   /**
@@ -77,58 +1207,86 @@ public class PHPEditor extends TextEditor {
    */
   protected ActionGroup getActionGroup() {
     return fActionGroups;
-  } 
-  
-  public PHPContentOutlinePage getfOutlinePage() {
-    return fOutlinePage;
   }
 
+  //  public JavaOutlinePage getfOutlinePage() {
+  //    return fOutlinePage;
+  //  }
+
   /** The <code>PHPEditor</code> implementation of this 
    * <code>AbstractTextEditor</code> method extend the 
    * actions to add those specific to the receiver
    */
   protected void createActions() {
     super.createActions();
-    setAction(
-      "ContentAssistProposal",
-      new TextOperationAction(
-        PHPEditorMessages.getResourceBundle(),
-        "ContentAssistProposal.",
-        this,
-        ISourceViewer.CONTENTASSIST_PROPOSALS));
+
+    ResourceAction resAction = new AddTaskAction(PHPEditorMessages.getResourceBundle(), "AddTask.", this); //$NON-NLS-1$
+    resAction.setHelpContextId(IAbstractTextEditorHelpContextIds.ADD_TASK_ACTION);
+    resAction.setActionDefinitionId(ITextEditorActionDefinitionIds.ADD_TASK);
+    setAction(ITextEditorActionConstants.ADD_TASK, resAction);
+
+    resAction = new TextOperationAction(PHPEditorMessages.getResourceBundle(), "ShowJavaDoc.", this, ISourceViewer.INFORMATION, true); //$NON-NLS-1$
+    resAction = new InformationDispatchAction(PHPEditorMessages.getResourceBundle(), "ShowJavaDoc.", (TextOperationAction) resAction); //$NON-NLS-1$
+    resAction.setActionDefinitionId(PHPEditorActionDefinitionIds.SHOW_JAVADOC);
+    setAction("ShowJavaDoc", resAction); //$NON-NLS-1$
+    //                                         WorkbenchHelp.setHelp(resAction, IJavaHelpContextIds.SHOW_JAVADOC_ACTION);
+
+    Action action;
+
     setAction(
       "ContentAssistTip",
-      new TextOperationAction(
-        PHPEditorMessages.getResourceBundle(),
-        "ContentAssistTip.",
-        this,
-        ISourceViewer.CONTENTASSIST_CONTEXT_INFORMATION));
+      new TextOperationAction(PHPEditorMessages.getResourceBundle(), "ContentAssistTip.", this, ISourceViewer.CONTENTASSIST_CONTEXT_INFORMATION));
 
-    Action action = new TextOperationAction(PHPEditorMessages.getResourceBundle(), "Comment.", this, ITextOperationTarget.PREFIX);
+    action = new ContentAssistAction(PHPEditorMessages.getResourceBundle(), "ContentAssistProposal.", this); //$NON-NLS-1$
+    action.setActionDefinitionId(ITextEditorActionDefinitionIds.CONTENT_ASSIST_PROPOSALS);
+    setAction("ContentAssistProposal", action); //$NON-NLS-1$
+    markAsStateDependentAction("ContentAssistProposal", true); //$NON-NLS-1$
+    // WorkbenchHelp.setHelp(action, IJavaHelpContextIds.CONTENT_ASSIST_ACTION);
+
+    fEncodingSupport = new DefaultEncodingSupport();
+    fEncodingSupport.initialize(this);
+
+    action = new TextOperationAction(PHPEditorMessages.getResourceBundle(), "Comment.", this, ITextOperationTarget.PREFIX); //$NON-NLS-1$
     action.setActionDefinitionId(PHPEditorActionDefinitionIds.COMMENT);
-    setAction("Comment", action);
+    setAction("Comment", action); //$NON-NLS-1$
+    markAsStateDependentAction("Comment", true); //$NON-NLS-1$
+    //         WorkbenchHelp.setHelp(action, IJavaHelpContextIds.COMMENT_ACTION);
 
-    action = new TextOperationAction(PHPEditorMessages.getResourceBundle(), "Uncomment.", this, ITextOperationTarget.STRIP_PREFIX);
+    action = new TextOperationAction(PHPEditorMessages.getResourceBundle(), "Uncomment.", this, ITextOperationTarget.STRIP_PREFIX); //$NON-NLS-1$
     action.setActionDefinitionId(PHPEditorActionDefinitionIds.UNCOMMENT);
-    setAction("Uncomment", action);
+    setAction("Uncomment", action); //$NON-NLS-1$
+    markAsStateDependentAction("Uncomment", true); //$NON-NLS-1$
+    //         WorkbenchHelp.setHelp(action, IJavaHelpContextIds.UNCOMMENT_ACTION);
 
-  //  fActionGroups = new PHPActionGroup(this, ITextEditorActionConstants.GROUP_EDIT);
+    action = new TextOperationAction(PHPEditorMessages.getResourceBundle(), "Format.", this, ISourceViewer.FORMAT); //$NON-NLS-1$
+    action.setActionDefinitionId(PHPEditorActionDefinitionIds.FORMAT);
+    setAction("Format", action); //$NON-NLS-1$
+    markAsStateDependentAction("Format", true); //$NON-NLS-1$
+    markAsSelectionDependentAction("Format", true); //$NON-NLS-1$              
+    // WorkbenchHelp.setHelp(action, IJavaHelpContextIds.FORMAT_ACTION);
 
-    markAsStateDependentAction("Comment", true); //$NON-NLS-1$
-    markAsStateDependentAction("Uncomment", true); //$NON-NLS-1$
+    action = new GotoMatchingBracketAction(this);
+    action.setActionDefinitionId(PHPEditorActionDefinitionIds.GOTO_MATCHING_BRACKET);
+    setAction(GotoMatchingBracketAction.GOTO_MATCHING_BRACKET, action);
 
-    fGenerateActionGroup= new GenerateActionGroup(this, ITextEditorActionConstants.GROUP_EDIT);
+    fGenerateActionGroup = new GenerateActionGroup(this, ITextEditorActionConstants.GROUP_EDIT);
+
+    fActionGroups = new CompositeActionGroup(new ActionGroup[] { fGenerateActionGroup });
 
-    fActionGroups= new CompositeActionGroup(
-      new ActionGroup[] { fGenerateActionGroup }
-      );
-  
-    
     // We have to keep the context menu group separate to have better control over positioning
-    fContextMenuGroup= new CompositeActionGroup(new ActionGroup[] {
-      fGenerateActionGroup });
-//      rg, 
-//      new LocalHistoryActionGroup(this, ITextEditorActionConstants.GROUP_EDIT)});
+    fContextMenuGroup = new CompositeActionGroup(new ActionGroup[] { fGenerateActionGroup });
+    //      rg, 
+    //      new LocalHistoryActionGroup(this, ITextEditorActionConstants.GROUP_EDIT)});
+
+    //    if (fValidationThread == null) {
+    //      fValidationThread =
+    //        new PHPSyntaxParserThread(this, getSourceViewer());
+    //      //Thread defaults
+    //
+    //      fValidationThread.start();
+    //    }
+    //
+    //    fValidationThread.setText(getSourceViewer().getTextWidget().getText());
   }
 
   /** The <code>PHPEditor</code> implementation of this 
@@ -136,13 +1294,36 @@ public class PHPEditor extends TextEditor {
    * disposal actions required by the php editor.
    */
   public void dispose() {
-    PHPEditorEnvironment.disconnect(this);
+    //   PHPEditorEnvironment.disconnect(this);
     if (fOutlinePage != null)
       fOutlinePage.setInput(null);
-      
+
     if (fActionGroups != null)
-      fActionGroups.dispose();  
-      
+      fActionGroups.dispose();
+
+    if (isBrowserLikeLinks())
+      disableBrowserLikeLinks();
+
+    if (fEncodingSupport != null) {
+      fEncodingSupport.dispose();
+      fEncodingSupport = null;
+    }
+
+    if (fPropertyChangeListener != null) {
+      Preferences preferences = PHPeclipsePlugin.getDefault().getPluginPreferences();
+      preferences.removePropertyChangeListener(fPropertyChangeListener);
+      fPropertyChangeListener = null;
+    }
+
+    if (fSourceViewerDecorationSupport != null) {
+      fSourceViewerDecorationSupport.dispose();
+      fSourceViewerDecorationSupport = null;
+    }
+
+    if (fBracketMatcher != null) {
+      fBracketMatcher.dispose();
+      fBracketMatcher = null;
+    }
     super.dispose();
   }
 
@@ -150,48 +1331,106 @@ public class PHPEditor extends TextEditor {
    * <code>AbstractTextEditor</code> method performs any extra 
    * revert behavior required by the php editor.
    */
-  public void doRevertToSaved() {
-    super.doRevertToSaved();
-    if (fOutlinePage != null)
-      fOutlinePage.update();
-  }
+  //  public void doRevertToSaved() {
+  //    super.doRevertToSaved();
+  //    if (fOutlinePage != null)
+  //      fOutlinePage.update();
+  //  }
 
   /** The <code>PHPEditor</code> implementation of this 
    * <code>AbstractTextEditor</code> method performs any extra 
    * save behavior required by the php editor.
    */
-  public void doSave(IProgressMonitor monitor) {
-    super.doSave(monitor);
-    // compile or not, according to the user preferences
-    IPreferenceStore store = phpPrefStore;
-    if (store.getBoolean(PHPeclipsePlugin.PHP_PARSE_ON_SAVE)) {
-      IAction a = PHPParserAction.getInstance();
-      if (a != null)
-        a.run();
-    }
-    if (fOutlinePage != null)
-      fOutlinePage.update();
-  }
+  //  public void doSave(IProgressMonitor monitor) {
+  //    super.doSave(monitor);
+  // compile or not, according to the user preferences
+  // IPreferenceStore store = getPreferenceStore(); 
+
+  // the parse on save was changed to the eclipse "builders" concept
+  //    if (store.getBoolean(PHPeclipsePlugin.PHP_PARSE_ON_SAVE)) {
+  //      IAction a = PHPParserAction.getInstance();
+  //      if (a != null)
+  //        a.run();
+  //    }
+
+  //    if (SWT.getPlatform().equals("win32")) {
+  //      IAction a = ShowExternalPreviewAction.getInstance();
+  //      if (a != null)
+  //        a.run();
+  //    }
+  //    if (fOutlinePage != null)
+  //      fOutlinePage.update();
+  //  }
 
   /** The <code>PHPEditor</code> implementation of this 
    * <code>AbstractTextEditor</code> method performs any extra 
    * save as behavior required by the php editor.
    */
-  public void doSaveAs() {
-    super.doSaveAs();
-    if (fOutlinePage != null)
-      fOutlinePage.update();
+  //  public void doSaveAs() {
+  //    super.doSaveAs();
+  //    if (fOutlinePage != null)
+  //      fOutlinePage.update();
+  //  }
+  /*
+        * @see StatusTextEditor#getStatusHeader(IStatus)
+        */
+  protected String getStatusHeader(IStatus status) {
+    if (fEncodingSupport != null) {
+      String message = fEncodingSupport.getStatusHeader(status);
+      if (message != null)
+        return message;
+    }
+    return super.getStatusHeader(status);
+  }
+
+  /*
+   * @see StatusTextEditor#getStatusBanner(IStatus)
+   */
+  protected String getStatusBanner(IStatus status) {
+    if (fEncodingSupport != null) {
+      String message = fEncodingSupport.getStatusBanner(status);
+      if (message != null)
+        return message;
+    }
+    return super.getStatusBanner(status);
   }
 
+  /*
+   * @see StatusTextEditor#getStatusMessage(IStatus)
+   */
+  protected String getStatusMessage(IStatus status) {
+    if (fEncodingSupport != null) {
+      String message = fEncodingSupport.getStatusMessage(status);
+      if (message != null)
+        return message;
+    }
+    return super.getStatusMessage(status);
+  }
   /** The <code>PHPEditor</code> implementation of this 
    * <code>AbstractTextEditor</code> method performs sets the 
    * input of the outline page after AbstractTextEditor has set input.
    */
-  public void doSetInput(IEditorInput input) throws CoreException {
+  //  protected void doSetInput(IEditorInput input) throws CoreException {
+  //    super.doSetInput(input);
+  //
+  //    if (fEncodingSupport != null)
+  //      fEncodingSupport.reset();
+  //    if (fOutlinePage != null)
+  //      fOutlinePage.setInput(input);
+  //    //             setOutlinePageInput(fOutlinePage, input);
+  //  } 
+  protected void doSetInput(IEditorInput input) throws CoreException {
     super.doSetInput(input);
-    if (fOutlinePage != null)
-      fOutlinePage.setInput(input);
+    if (fEncodingSupport != null)
+      fEncodingSupport.reset();
+    setOutlinePageInput(fOutlinePage, input);
   }
+  /*
+   * @see org.phpeclipse.phpdt.internal.ui.viewsupport.IViewPartInputProvider#getViewPartInput()
+   */
+  //  public Object getViewPartInput() {
+  //    return getEditorInput().getAdapter(IFile.class);
+  //  }
 
   /** The <code>PHPEditor</code> implementation of this 
    * <code>AbstractTextEditor</code> method adds any 
@@ -199,38 +1438,317 @@ public class PHPEditor extends TextEditor {
    */
   public void editorContextMenuAboutToShow(MenuManager menu) {
     super.editorContextMenuAboutToShow(menu);
-    //  addAction(menu, "ContentAssistProposal"); //$NON-NLS-1$
-    //  addAction(menu, "ContentAssistTip"); //$NON-NLS-1$
-    
-    // fActionGroups.fillContextMenu(menu);
-    
-    ActionContext context= new ActionContext(getSelectionProvider().getSelection());
+    menu.appendToGroup(ITextEditorActionConstants.GROUP_UNDO, new Separator(IContextMenuConstants.GROUP_OPEN));
+    menu.insertAfter(IContextMenuConstants.GROUP_OPEN, new GroupMarker(IContextMenuConstants.GROUP_SHOW));
+
+    ActionContext context = new ActionContext(getSelectionProvider().getSelection());
     fContextMenuGroup.setContext(context);
     fContextMenuGroup.fillContextMenu(menu);
     fContextMenuGroup.setContext(null);
+    //    addAction(menu, ITextEditorActionConstants.GROUP_EDIT, "Format"); //$NON-NLS-1$
+    //
+    //    ActionContext context =
+    //      new ActionContext(getSelectionProvider().getSelection());
+    //    fContextMenuGroup.setContext(context);
+    //    fContextMenuGroup.fillContextMenu(menu);
+    //    fContextMenuGroup.setContext(null);
   }
 
+  /**
+   * Creates the outline page used with this editor.
+   */
+  protected JavaOutlinePage createOutlinePage() {
+
+    //    AbstractContentOutlinePage page = new PHPContentOutlinePage(getDocumentProvider(), this);
+    //
+    //    page.addSelectionChangedListener(fSelectionChangedListener);
+    //    //    setOutlinePageInput(page, getEditorInput());
+    //    if (getEditorInput() != null)
+    //      fOutlinePage.setInput(getEditorInput());
+    //
+    //    return page;
+    JavaOutlinePage page = new JavaOutlinePage(fOutlinerContextMenuId, this);
+
+    page.addSelectionChangedListener(fSelectionChangedListener);
+    setOutlinePageInput(page, getEditorInput());
+
+    return page;
+  }
+
+  /**
+   * Informs the editor that its outliner has been closed.
+   */
+  public void outlinePageClosed() {
+    if (fOutlinePage != null) {
+      fOutlinePage.removeSelectionChangedListener(fSelectionChangedListener);
+      fOutlinePage = null;
+      resetHighlightRange();
+    }
+  }
+  /**
+   * Synchronizes the outliner selection with the actual cursor
+   * position in the editor.
+   */
+  public void synchronizeOutlinePageSelection() {
+
+    //         if (isEditingScriptRunning())
+    //                 return;
+
+    ISourceViewer sourceViewer = getSourceViewer();
+    if (sourceViewer == null || fOutlinePage == null)
+      return;
+
+    StyledText styledText = sourceViewer.getTextWidget();
+    if (styledText == null)
+      return;
+
+    int caret = 0;
+    if (sourceViewer instanceof ITextViewerExtension3) {
+      ITextViewerExtension3 extension = (ITextViewerExtension3) sourceViewer;
+      caret = extension.widgetOffset2ModelOffset(styledText.getCaretOffset());
+    } else {
+      int offset = sourceViewer.getVisibleRegion().getOffset();
+      caret = offset + styledText.getCaretOffset();
+    }
+
+    IJavaElement element = getElementAt(caret);
+    if (element instanceof ISourceReference) {
+      fOutlinePage.removeSelectionChangedListener(fSelectionChangedListener);
+      fOutlinePage.select((ISourceReference) element);
+      fOutlinePage.addSelectionChangedListener(fSelectionChangedListener);
+    }
+  }
   protected void updateStateDependentActions() {
     super.updateStateDependentActions();
     fGenerateActionGroup.editorStateChanged();
   }
-  
+
+  protected void setSelection(ISourceReference reference, boolean moveCursor) {
+
+    ISelection selection = getSelectionProvider().getSelection();
+    if (selection instanceof TextSelection) {
+      TextSelection textSelection = (TextSelection) selection;
+      if (textSelection.getOffset() != 0 || textSelection.getLength() != 0)
+        markInNavigationHistory();
+    }
+
+    if (reference != null) {
+
+      StyledText textWidget = null;
+
+      ISourceViewer sourceViewer = getSourceViewer();
+      if (sourceViewer != null)
+        textWidget = sourceViewer.getTextWidget();
+
+      if (textWidget == null)
+        return;
+
+      try {
+
+        ISourceRange range = reference.getSourceRange();
+        if (range == null)
+          return;
+
+        int offset = range.getOffset();
+        int length = range.getLength();
+
+        if (offset < 0 || length < 0)
+          return;
+
+        textWidget.setRedraw(false);
+
+        setHighlightRange(offset, length, moveCursor);
+
+        if (!moveCursor)
+          return;
+
+        offset = -1;
+        length = -1;
+
+        if (reference instanceof IMember) {
+          range = ((IMember) reference).getNameRange();
+          if (range != null) {
+            offset = range.getOffset();
+            length = range.getLength();
+          }
+        }
+        //                                     else if (reference instanceof IImportDeclaration) {
+        //                                             String name= ((IImportDeclaration) reference).getElementName();
+        //                                             if (name != null && name.length() > 0) {
+        //                                                     String content= reference.getSource();
+        //                                                     if (content != null) {
+        //                                                             offset= range.getOffset() + content.indexOf(name);
+        //                                                             length= name.length();
+        //                                                     }
+        //                                             }
+        //                                     } else if (reference instanceof IPackageDeclaration) {
+        //                                             String name= ((IPackageDeclaration) reference).getElementName();
+        //                                             if (name != null && name.length() > 0) {
+        //                                                     String content= reference.getSource();
+        //                                                     if (content != null) {
+        //                                                             offset= range.getOffset() + content.indexOf(name);
+        //                                                             length= name.length();
+        //                                                     }
+        //                                             }
+        //                                     }
+
+        if (offset > -1 && length > 0) {
+          sourceViewer.revealRange(offset, length);
+          sourceViewer.setSelectedRange(offset, length);
+        }
+
+      } catch (JavaModelException x) {
+      } catch (IllegalArgumentException x) {
+      } finally {
+        if (textWidget != null)
+          textWidget.setRedraw(true);
+      }
+
+    } else if (moveCursor) {
+      resetHighlightRange();
+    }
+
+    markInNavigationHistory();
+  }
+
+  public void setSelection(IJavaElement element) {
+
+    if (element == null || element instanceof ICompilationUnit) { // || element instanceof IClassFile) {
+      /*
+       * If the element is an ICompilationUnit this unit is either the input
+       * of this editor or not being displayed. In both cases, nothing should
+       * happened. (http://dev.eclipse.org/bugs/show_bug.cgi?id=5128)
+       */
+      return;
+    }
+
+    IJavaElement corresponding = getCorrespondingElement(element);
+    if (corresponding instanceof ISourceReference) {
+      ISourceReference reference = (ISourceReference) corresponding;
+      // set hightlight range
+      setSelection(reference, true);
+      // set outliner selection
+      if (fOutlinePage != null) {
+        fOutlinePage.removeSelectionChangedListener(fSelectionChangedListener);
+        fOutlinePage.select(reference);
+        fOutlinePage.addSelectionChangedListener(fSelectionChangedListener);
+      }
+    }
+  }
+
+       public synchronized void editingScriptStarted() {
+               ++ fIgnoreOutlinePageSelection;
+       }
+       
+       public synchronized void editingScriptEnded() {
+               -- fIgnoreOutlinePageSelection;
+       }
+       
+       public synchronized boolean isEditingScriptRunning() {
+               return (fIgnoreOutlinePageSelection > 0);
+       }
+       
   /** The <code>PHPEditor</code> implementation of this 
    * <code>AbstractTextEditor</code> method performs gets
    * the java content outline page if request is for a an 
    * outline page.
    */
   public Object getAdapter(Class required) {
+
     if (IContentOutlinePage.class.equals(required)) {
-      if (fOutlinePage == null) {
-        fOutlinePage = new PHPContentOutlinePage(getDocumentProvider(), this);
-        if (getEditorInput() != null)
-          fOutlinePage.setInput(getEditorInput());
-      }
+      if (fOutlinePage == null)
+        fOutlinePage = createOutlinePage();
       return fOutlinePage;
     }
+
+    if (IEncodingSupport.class.equals(required))
+      return fEncodingSupport;
+
+    if (required == IShowInTargetList.class) {
+      return new IShowInTargetList() {
+        public String[] getShowInTargetIds() {
+          return new String[] { JavaUI.ID_PACKAGES, IPageLayout.ID_OUTLINE, IPageLayout.ID_RES_NAV };
+        }
+
+      };
+    }
+
     return super.getAdapter(required);
   }
+  //  public Object getAdapter(Class required) {
+  //    if (IContentOutlinePage.class.equals(required)) {
+  //      if (fOutlinePage == null) {
+  //        fOutlinePage = new PHPContentOutlinePage(getDocumentProvider(), this);
+  //        if (getEditorInput() != null)
+  //          fOutlinePage.setInput(getEditorInput());
+  //      }
+  //      return fOutlinePage;
+  //    }
+  //
+  //    if (IEncodingSupport.class.equals(required))
+  //      return fEncodingSupport;
+  //
+  //    return super.getAdapter(required);
+  //  }
+
+  protected void doSelectionChanged(SelectionChangedEvent event) {
+    ISourceReference reference = null;
+
+    ISelection selection = event.getSelection();
+    Iterator iter = ((IStructuredSelection) selection).iterator();
+    while (iter.hasNext()) {
+      Object o = iter.next();
+      if (o instanceof ISourceReference) {
+        reference = (ISourceReference) o;
+        break;
+      }
+    }
+
+    if (!isActivePart() && PHPeclipsePlugin.getActivePage() != null)
+      PHPeclipsePlugin.getActivePage().bringToTop(this);
+
+    try {
+      editingScriptStarted();
+      setSelection(reference, !isActivePart());
+    } finally {
+      editingScriptEnded();
+    }
+  }
+  /*
+        * @see AbstractTextEditor#adjustHighlightRange(int, int)
+        */
+  protected void adjustHighlightRange(int offset, int length) {
+
+    try {
+
+      IJavaElement element = getElementAt(offset);
+      while (element instanceof ISourceReference) {
+        ISourceRange range = ((ISourceReference) element).getSourceRange();
+        if (offset < range.getOffset() + range.getLength() && range.getOffset() < offset + length) {
+          setHighlightRange(range.getOffset(), range.getLength(), true);
+          if (fOutlinePage != null) {
+            fOutlinePage.removeSelectionChangedListener(fSelectionChangedListener);
+            fOutlinePage.select((ISourceReference) element);
+            fOutlinePage.addSelectionChangedListener(fSelectionChangedListener);
+          }
+          return;
+        }
+        element = element.getParent();
+      }
+
+    } catch (JavaModelException x) {
+      PHPeclipsePlugin.log(x.getStatus());
+    }
+
+    resetHighlightRange();
+  }
+  protected boolean isActivePart() {
+    IWorkbenchWindow window = getSite().getWorkbenchWindow();
+    IPartService service = window.getPartService();
+    IWorkbenchPart part = service.getActivePart();
+    return part != null && part.equals(this);
+  }
+
 
   //  public void openContextHelp() {
   //    IDocument doc = this.getDocumentProvider().getDocument(this.getEditorInput());
@@ -254,20 +1772,20 @@ public class PHPEditor extends TextEditor {
   //    }
   //  }
 
-  private String getFunctionName(IDocument doc, int pos) {
-    Point word = PHPWordExtractor.findWord(doc, pos);
-    if (word != null) {
-      try {
-        return doc.get(word.x, word.y).replace('_', '-');
-      } catch (BadLocationException e) {
-      }
-    }
-    return "";
-  }
+  //   private String getFunctionName(IDocument doc, int pos) {
+  //           Point word = PHPWordExtractor.findWord(doc, pos);
+  //           if (word != null) {
+  //                   try {
+  //                           return doc.get(word.x, word.y).replace('_', '-');
+  //                   } catch (BadLocationException e) {
+  //                   }
+  //           }
+  //           return "";
+  //   }
 
   /*
-     * @see AbstractTextEditor#handlePreferenceStoreChanged(PropertyChangeEvent)
-     */
+   * @see AbstractTextEditor#handlePreferenceStoreChanged(PropertyChangeEvent)
+   */
   protected void handlePreferenceStoreChanged(PropertyChangeEvent event) {
 
     try {
@@ -278,17 +1796,25 @@ public class PHPEditor extends TextEditor {
 
       String property = event.getProperty();
 
-      //      if (JavaSourceViewerConfiguration.PREFERENCE_TAB_WIDTH.equals(property)) {
-      //        Object value= event.getNewValue();
-      //        if (value instanceof Integer) {
-      //          sourceViewer.getTextWidget().setTabs(((Integer) value).intValue());
-      //        } else if (value instanceof String) {
-      //          sourceViewer.getTextWidget().setTabs(Integer.parseInt((String) value));
-      //        }
-      //        return;
-      //      }
-
-      if (IPreferenceConstants.LINE_NUMBER_RULER.equals(property)) {
+      if (PreferenceConstants.EDITOR_TAB_WIDTH.equals(property)) {
+        Object value = event.getNewValue();
+        if (value instanceof Integer) {
+          sourceViewer.getTextWidget().setTabs(((Integer) value).intValue());
+        } else if (value instanceof String) {
+          sourceViewer.getTextWidget().setTabs(Integer.parseInt((String) value));
+        }
+        return;
+      }
+
+      if (OVERVIEW_RULER.equals(property)) {
+        if (isOverviewRulerVisible())
+          showOverviewRuler();
+        else
+          hideOverviewRuler();
+        return;
+      }
+
+      if (LINE_NUMBER_RULER.equals(property)) {
         if (isLineNumberRulerVisible())
           showLineNumberRuler();
         else
@@ -297,17 +1823,82 @@ public class PHPEditor extends TextEditor {
       }
 
       if (fLineNumberRulerColumn != null
-        && (IPreferenceConstants.LINE_NUMBER_COLOR.equals(property)
-          || PREFERENCE_COLOR_BACKGROUND_SYSTEM_DEFAULT.equals(property)
-          || PREFERENCE_COLOR_BACKGROUND.equals(property))) {
+        && (LINE_NUMBER_COLOR.equals(property) || PREFERENCE_COLOR_BACKGROUND_SYSTEM_DEFAULT.equals(property) || PREFERENCE_COLOR_BACKGROUND.equals(property))) {
 
         initializeLineNumberRulerColumn(fLineNumberRulerColumn);
       }
 
+      if (isJavaEditorHoverProperty(property))
+        updateHoverBehavior();
+
+      if (BROWSER_LIKE_LINKS.equals(property)) {
+        if (isBrowserLikeLinks())
+          enableBrowserLikeLinks();
+        else
+          disableBrowserLikeLinks();
+        return;
+      }
+
     } finally {
       super.handlePreferenceStoreChanged(event);
     }
   }
+
+  //  /*
+  //     * @see AbstractTextEditor#handlePreferenceStoreChanged(PropertyChangeEvent)
+  //     */
+  //  protected void handlePreferenceStoreChanged(PropertyChangeEvent event) {
+  //
+  //    try {
+  //
+  //      ISourceViewer sourceViewer = getSourceViewer();
+  //      if (sourceViewer == null)
+  //        return;
+  //
+  //      String property = event.getProperty();
+  //
+  //      //      if (JavaSourceViewerConfiguration.PREFERENCE_TAB_WIDTH.equals(property)) {
+  //      //        Object value= event.getNewValue();
+  //      //        if (value instanceof Integer) {
+  //      //          sourceViewer.getTextWidget().setTabs(((Integer) value).intValue());
+  //      //        } else if (value instanceof String) {
+  //      //          sourceViewer.getTextWidget().setTabs(Integer.parseInt((String) value));
+  //      //        }
+  //      //        return;
+  //      //      }
+  //
+  //      if (IPreferenceConstants.LINE_NUMBER_RULER.equals(property)) {
+  //        if (isLineNumberRulerVisible())
+  //          showLineNumberRuler();
+  //        else
+  //          hideLineNumberRuler();
+  //        return;
+  //      }
+  //
+  //      if (fLineNumberRulerColumn != null
+  //        && (IPreferenceConstants.LINE_NUMBER_COLOR.equals(property)
+  //          || PREFERENCE_COLOR_BACKGROUND_SYSTEM_DEFAULT.equals(property)
+  //          || PREFERENCE_COLOR_BACKGROUND.equals(property))) {
+  //
+  //        initializeLineNumberRulerColumn(fLineNumberRulerColumn);
+  //      }
+  //
+  //    } finally {
+  //      super.handlePreferenceStoreChanged(event);
+  //    }
+  //  }
+
+  //  private boolean isJavaEditorHoverProperty(String property) {
+  //    return PreferenceConstants.EDITOR_DEFAULT_HOVER.equals(property)
+  //      || PreferenceConstants.EDITOR_NONE_HOVER.equals(property)
+  //      || PreferenceConstants.EDITOR_CTRL_HOVER.equals(property)
+  //      || PreferenceConstants.EDITOR_SHIFT_HOVER.equals(property)
+  //      || PreferenceConstants.EDITOR_CTRL_ALT_HOVER.equals(property)
+  //      || PreferenceConstants.EDITOR_CTRL_SHIFT_HOVER.equals(property)
+  //      || PreferenceConstants.EDITOR_CTRL_ALT_SHIFT_HOVER.equals(property)
+  //      || PreferenceConstants.EDITOR_ALT_SHIFT_HOVER.equals(property);
+  //  }
+
   /**
    * Shows the line number ruler column.
    */
@@ -318,15 +1909,63 @@ public class PHPEditor extends TextEditor {
       c.addDecorator(1, createLineNumberRulerColumn());
     }
   }
+  private boolean isJavaEditorHoverProperty(String property) {
+    return PreferenceConstants.EDITOR_TEXT_HOVER_MODIFIERS.equals(property);
+  }
 
   /**
-  * Return whether the line number ruler column should be 
-  * visible according to the preference store settings.
-  * @return <code>true</code> if the line numbers should be visible
-  */
+        * Return whether the browser like links should be enabled
+        * according to the preference store settings.
+        * @return <code>true</code> if the browser like links should be enabled
+        */
+  private boolean isBrowserLikeLinks() {
+    IPreferenceStore store = getPreferenceStore();
+    return store.getBoolean(BROWSER_LIKE_LINKS);
+  }
+
+  /**
+   * Enables browser like links.
+   */
+  private void enableBrowserLikeLinks() {
+    if (fMouseListener == null) {
+      fMouseListener = new MouseClickListener();
+      fMouseListener.install();
+    }
+  }
+
+  /**
+   * Disables browser like links.
+   */
+  private void disableBrowserLikeLinks() {
+    if (fMouseListener != null) {
+      fMouseListener.uninstall();
+      fMouseListener = null;
+    }
+  }
+  /**
+   * Handles a property change event describing a change
+   * of the java core's preferences and updates the preference
+   * related editor properties.
+   * 
+   * @param event the property change event
+   */
+  protected void handlePreferencePropertyChanged(org.eclipse.core.runtime.Preferences.PropertyChangeEvent event) {
+    if (COMPILER_TASK_TAGS.equals(event.getProperty())) {
+      ISourceViewer sourceViewer = getSourceViewer();
+      if (sourceViewer != null
+        && affectsTextPresentation(new PropertyChangeEvent(event.getSource(), event.getProperty(), event.getOldValue(), event.getNewValue())))
+        sourceViewer.invalidateTextPresentation();
+    }
+  }
+
+  /**
+   * Return whether the line number ruler column should be 
+   * visible according to the preference store settings.
+   * @return <code>true</code> if the line numbers should be visible
+   */
   private boolean isLineNumberRulerVisible() {
-    // IPreferenceStore store= getPreferenceStore();
-    return phpPrefStore.getBoolean(IPreferenceConstants.LINE_NUMBER_RULER);
+    IPreferenceStore store = getPreferenceStore();
+    return store.getBoolean(LINE_NUMBER_RULER);
   }
   /**
    * Hides the line number ruler column.
@@ -342,38 +1981,47 @@ public class PHPEditor extends TextEditor {
     }
   }
 
+       /*
+        * @see AbstractTextEditor#handleCursorPositionChanged()
+        */
+       protected void handleCursorPositionChanged() {
+               super.handleCursorPositionChanged();
+               if (!isEditingScriptRunning() && fUpdater != null)
+                       fUpdater.post();
+       }
+       
   /**
-  * Initializes the given line number ruler column from the preference store.
-  * @param rulerColumn the ruler column to be initialized
-  */
+   * Initializes the given line number ruler column from the preference store.
+   * @param rulerColumn the ruler column to be initialized
+   */
   protected void initializeLineNumberRulerColumn(LineNumberRulerColumn rulerColumn) {
-    //   JavaTextTools textTools= JavaPlugin.getDefault().getJavaTextTools();
-    PHPColorProvider manager = PHPEditorEnvironment.getPHPColorProvider();
+    JavaTextTools textTools = PHPeclipsePlugin.getDefault().getJavaTextTools();
+    IColorManager manager = textTools.getColorManager();
 
-    if (phpPrefStore != null) {
+    IPreferenceStore store = getPreferenceStore();
+    if (store != null) {
 
       RGB rgb = null;
       // foreground color
-      if (phpPrefStore.contains(IPreferenceConstants.LINE_NUMBER_COLOR)) {
-        if (phpPrefStore.isDefault(IPreferenceConstants.LINE_NUMBER_COLOR))
-          rgb = PreferenceConverter.getDefaultColor(phpPrefStore, IPreferenceConstants.LINE_NUMBER_COLOR);
+      if (store.contains(LINE_NUMBER_COLOR)) {
+        if (store.isDefault(LINE_NUMBER_COLOR))
+          rgb = PreferenceConverter.getDefaultColor(store, LINE_NUMBER_COLOR);
         else
-          rgb = PreferenceConverter.getColor(phpPrefStore, IPreferenceConstants.LINE_NUMBER_COLOR);
+          rgb = PreferenceConverter.getColor(store, LINE_NUMBER_COLOR);
       }
       rulerColumn.setForeground(manager.getColor(rgb));
 
       rgb = null;
       // background color
-      if (!phpPrefStore.getBoolean(IPreferenceConstants.PREFERENCE_COLOR_BACKGROUND_SYSTEM_DEFAULT)) {
-        if (phpPrefStore.contains(IPreferenceConstants.PREFERENCE_COLOR_BACKGROUND)) {
-          if (phpPrefStore.isDefault(IPreferenceConstants.PREFERENCE_COLOR_BACKGROUND))
-            rgb = PreferenceConverter.getDefaultColor(phpPrefStore, IPreferenceConstants.PREFERENCE_COLOR_BACKGROUND);
+      if (!store.getBoolean(PREFERENCE_COLOR_BACKGROUND_SYSTEM_DEFAULT)) {
+        if (store.contains(PREFERENCE_COLOR_BACKGROUND)) {
+          if (store.isDefault(PREFERENCE_COLOR_BACKGROUND))
+            rgb = PreferenceConverter.getDefaultColor(store, PREFERENCE_COLOR_BACKGROUND);
           else
-            rgb = PreferenceConverter.getColor(phpPrefStore, IPreferenceConstants.PREFERENCE_COLOR_BACKGROUND);
+            rgb = PreferenceConverter.getColor(store, PREFERENCE_COLOR_BACKGROUND);
         }
-        rulerColumn.setBackground(manager.getColor(rgb));
       }
-
+      rulerColumn.setBackground(manager.getColor(rgb));
     }
   }
 
@@ -397,38 +2045,483 @@ public class PHPEditor extends TextEditor {
     return ruler;
   }
 
-  /* (non-Javadoc)
-   * Method declared on AbstractTextEditor
+  private static IRegion getSignedSelection(ITextViewer viewer) {
+
+    StyledText text = viewer.getTextWidget();
+    int caretOffset = text.getCaretOffset();
+    Point selection = text.getSelection();
+
+    // caret left
+    int offset, length;
+    if (caretOffset == selection.x) {
+      offset = selection.y;
+      length = selection.x - selection.y;
+
+      // caret right
+    } else {
+      offset = selection.x;
+      length = selection.y - selection.x;
+    }
+
+    return new Region(offset, length);
+  }
+
+  /** Preference key for matching brackets */
+  protected final static String MATCHING_BRACKETS = PreferenceConstants.EDITOR_MATCHING_BRACKETS;
+  /** Preference key for matching brackets color */
+  protected final static String MATCHING_BRACKETS_COLOR = PreferenceConstants.EDITOR_MATCHING_BRACKETS_COLOR;
+  /** Preference key for highlighting current line */
+  protected final static String CURRENT_LINE = PreferenceConstants.EDITOR_CURRENT_LINE;
+  /** Preference key for highlight color of current line */
+  protected final static String CURRENT_LINE_COLOR = PreferenceConstants.EDITOR_CURRENT_LINE_COLOR;
+  /** Preference key for showing print marging ruler */
+  protected final static String PRINT_MARGIN = PreferenceConstants.EDITOR_PRINT_MARGIN;
+  /** Preference key for print margin ruler color */
+  protected final static String PRINT_MARGIN_COLOR = PreferenceConstants.EDITOR_PRINT_MARGIN_COLOR;
+  /** Preference key for print margin ruler column */
+  protected final static String PRINT_MARGIN_COLUMN = PreferenceConstants.EDITOR_PRINT_MARGIN_COLUMN;
+  /** Preference key for error indication */
+  protected final static String ERROR_INDICATION = PreferenceConstants.EDITOR_PROBLEM_INDICATION;
+  /** Preference key for error color */
+  protected final static String ERROR_INDICATION_COLOR = PreferenceConstants.EDITOR_PROBLEM_INDICATION_COLOR;
+  /** Preference key for warning indication */
+  protected final static String WARNING_INDICATION = PreferenceConstants.EDITOR_WARNING_INDICATION;
+  /** Preference key for warning color */
+  protected final static String WARNING_INDICATION_COLOR = PreferenceConstants.EDITOR_WARNING_INDICATION_COLOR;
+  /** Preference key for task indication */
+  protected final static String TASK_INDICATION = PreferenceConstants.EDITOR_TASK_INDICATION;
+  /** Preference key for task color */
+  protected final static String TASK_INDICATION_COLOR = PreferenceConstants.EDITOR_TASK_INDICATION_COLOR;
+  /** Preference key for bookmark indication */
+  protected final static String BOOKMARK_INDICATION = PreferenceConstants.EDITOR_BOOKMARK_INDICATION;
+  /** Preference key for bookmark color */
+  protected final static String BOOKMARK_INDICATION_COLOR = PreferenceConstants.EDITOR_BOOKMARK_INDICATION_COLOR;
+  /** Preference key for search result indication */
+  protected final static String SEARCH_RESULT_INDICATION = PreferenceConstants.EDITOR_SEARCH_RESULT_INDICATION;
+  /** Preference key for search result color */
+  protected final static String SEARCH_RESULT_INDICATION_COLOR = PreferenceConstants.EDITOR_SEARCH_RESULT_INDICATION_COLOR;
+  /** Preference key for unknown annotation indication */
+  protected final static String UNKNOWN_INDICATION = PreferenceConstants.EDITOR_UNKNOWN_INDICATION;
+  /** Preference key for unknown annotation color */
+  protected final static String UNKNOWN_INDICATION_COLOR = PreferenceConstants.EDITOR_UNKNOWN_INDICATION_COLOR;
+  /** Preference key for shwoing the overview ruler */
+  protected final static String OVERVIEW_RULER = PreferenceConstants.EDITOR_OVERVIEW_RULER;
+  /** Preference key for error indication in overview ruler */
+  protected final static String ERROR_INDICATION_IN_OVERVIEW_RULER = PreferenceConstants.EDITOR_ERROR_INDICATION_IN_OVERVIEW_RULER;
+  /** Preference key for warning indication in overview ruler */
+  protected final static String WARNING_INDICATION_IN_OVERVIEW_RULER = PreferenceConstants.EDITOR_WARNING_INDICATION_IN_OVERVIEW_RULER;
+  /** Preference key for task indication in overview ruler */
+  protected final static String TASK_INDICATION_IN_OVERVIEW_RULER = PreferenceConstants.EDITOR_TASK_INDICATION_IN_OVERVIEW_RULER;
+  /** Preference key for bookmark indication in overview ruler */
+  protected final static String BOOKMARK_INDICATION_IN_OVERVIEW_RULER = PreferenceConstants.EDITOR_BOOKMARK_INDICATION_IN_OVERVIEW_RULER;
+  /** Preference key for search result indication in overview ruler */
+  protected final static String SEARCH_RESULT_INDICATION_IN_OVERVIEW_RULER = PreferenceConstants.EDITOR_SEARCH_RESULT_INDICATION_IN_OVERVIEW_RULER;
+  /** Preference key for unknown annotation indication in overview ruler */
+  protected final static String UNKNOWN_INDICATION_IN_OVERVIEW_RULER = PreferenceConstants.EDITOR_UNKNOWN_INDICATION_IN_OVERVIEW_RULER;
+  //           /** Preference key for compiler task tags */
+  //           private final static String COMPILER_TASK_TAGS= JavaCore.COMPILER_TASK_TAGS;
+  /** Preference key for browser like links */
+  private final static String BROWSER_LIKE_LINKS = PreferenceConstants.EDITOR_BROWSER_LIKE_LINKS;
+  /** Preference key for key modifier of browser like links */
+  private final static String BROWSER_LIKE_LINKS_KEY_MODIFIER = PreferenceConstants.EDITOR_BROWSER_LIKE_LINKS_KEY_MODIFIER;
+  /**
+   * Preference key for key modifier mask of browser like links.
+   * The value is only used if the value of <code>EDITOR_BROWSER_LIKE_LINKS</code>
+   * cannot be resolved to valid SWT modifier bits.
+   * 
+   * @since 2.1.1
    */
-  protected void initializeEditor() {
-    PHPEditorEnvironment.connect(this);
+  private final static String BROWSER_LIKE_LINKS_KEY_MODIFIER_MASK = PreferenceConstants.EDITOR_BROWSER_LIKE_LINKS_KEY_MODIFIER_MASK;
 
-    setSourceViewerConfiguration(new PHPSourceViewerConfiguration());
-    setRangeIndicator(new DefaultRangeIndicator());
-    setEditorContextMenuId("#PHPEditorContext"); //$NON-NLS-1$
-    setRulerContextMenuId("#PHPRulerContext"); //$NON-NLS-1$
-    // setDocumentProvider(PHPeclipsePlugin.getCompilationUnitDocumentProvider());
-    phpPrefStore = PHPeclipsePlugin.getDefault().getPreferenceStore();
-
-    phpPrefStore.addPropertyChangeListener(new IPropertyChangeListener() {
-      public void propertyChange(PropertyChangeEvent event) {
-        PHPCodeScanner scanner = PHPEditorEnvironment.getPHPCodeScanner();
-        if (scanner != null) {
-          scanner.updateToken(PHPEditorEnvironment.getPHPColorProvider());
+  private final static char[] BRACKETS = { '{', '}', '(', ')', '[', ']' };
+
+  private static boolean isBracket(char character) {
+    for (int i = 0; i != BRACKETS.length; ++i)
+      if (character == BRACKETS[i])
+        return true;
+    return false;
+  }
+
+  private static boolean isSurroundedByBrackets(IDocument document, int offset) {
+    if (offset == 0 || offset == document.getLength())
+      return false;
+
+    try {
+      return isBracket(document.getChar(offset - 1)) && isBracket(document.getChar(offset));
+
+    } catch (BadLocationException e) {
+      return false;
+    }
+  }
+
+  protected void configureSourceViewerDecorationSupport() {
+
+    fSourceViewerDecorationSupport.setCharacterPairMatcher(fBracketMatcher);
+
+    fSourceViewerDecorationSupport.setAnnotationPainterPreferenceKeys(
+      AnnotationType.UNKNOWN,
+      UNKNOWN_INDICATION_COLOR,
+      UNKNOWN_INDICATION,
+      UNKNOWN_INDICATION_IN_OVERVIEW_RULER,
+      0);
+    fSourceViewerDecorationSupport.setAnnotationPainterPreferenceKeys(
+      AnnotationType.BOOKMARK,
+      BOOKMARK_INDICATION_COLOR,
+      BOOKMARK_INDICATION,
+      BOOKMARK_INDICATION_IN_OVERVIEW_RULER,
+      1);
+    fSourceViewerDecorationSupport.setAnnotationPainterPreferenceKeys(
+      AnnotationType.TASK,
+      TASK_INDICATION_COLOR,
+      TASK_INDICATION,
+      TASK_INDICATION_IN_OVERVIEW_RULER,
+      2);
+    fSourceViewerDecorationSupport.setAnnotationPainterPreferenceKeys(
+      AnnotationType.SEARCH,
+      SEARCH_RESULT_INDICATION_COLOR,
+      SEARCH_RESULT_INDICATION,
+      SEARCH_RESULT_INDICATION_IN_OVERVIEW_RULER,
+      3);
+    fSourceViewerDecorationSupport.setAnnotationPainterPreferenceKeys(
+      AnnotationType.WARNING,
+      WARNING_INDICATION_COLOR,
+      WARNING_INDICATION,
+      WARNING_INDICATION_IN_OVERVIEW_RULER,
+      4);
+    fSourceViewerDecorationSupport.setAnnotationPainterPreferenceKeys(
+      AnnotationType.ERROR,
+      ERROR_INDICATION_COLOR,
+      ERROR_INDICATION,
+      ERROR_INDICATION_IN_OVERVIEW_RULER,
+      5);
+
+    fSourceViewerDecorationSupport.setCursorLinePainterPreferenceKeys(CURRENT_LINE, CURRENT_LINE_COLOR);
+    fSourceViewerDecorationSupport.setMarginPainterPreferenceKeys(PRINT_MARGIN, PRINT_MARGIN_COLOR, PRINT_MARGIN_COLUMN);
+    fSourceViewerDecorationSupport.setMatchingCharacterPainterPreferenceKeys(MATCHING_BRACKETS, MATCHING_BRACKETS_COLOR);
+
+    fSourceViewerDecorationSupport.setSymbolicFontName(getFontPropertyPreferenceKey());
+
+  }
+  /**
+    * Jumps to the matching bracket.
+    */
+  public void gotoMatchingBracket() {
+
+    ISourceViewer sourceViewer = getSourceViewer();
+    IDocument document = sourceViewer.getDocument();
+    if (document == null)
+      return;
+
+    IRegion selection = getSignedSelection(sourceViewer);
+
+    int selectionLength = Math.abs(selection.getLength());
+    if (selectionLength > 1) {
+      setStatusLineErrorMessage(PHPEditorMessages.getString("GotoMatchingBracket.error.invalidSelection")); //$NON-NLS-1$              
+      sourceViewer.getTextWidget().getDisplay().beep();
+      return;
+    }
+
+    // #26314
+    int sourceCaretOffset = selection.getOffset() + selection.getLength();
+    if (isSurroundedByBrackets(document, sourceCaretOffset))
+      sourceCaretOffset -= selection.getLength();
+
+    IRegion region = fBracketMatcher.match(document, sourceCaretOffset);
+    if (region == null) {
+      setStatusLineErrorMessage(PHPEditorMessages.getString("GotoMatchingBracket.error.noMatchingBracket")); //$NON-NLS-1$             
+      sourceViewer.getTextWidget().getDisplay().beep();
+      return;
+    }
+
+    int offset = region.getOffset();
+    int length = region.getLength();
+
+    if (length < 1)
+      return;
+
+    int anchor = fBracketMatcher.getAnchor();
+    int targetOffset = (PHPPairMatcher.RIGHT == anchor) ? offset : offset + length - 1;
+
+    boolean visible = false;
+    if (sourceViewer instanceof ITextViewerExtension3) {
+      ITextViewerExtension3 extension = (ITextViewerExtension3) sourceViewer;
+      visible = (extension.modelOffset2WidgetOffset(targetOffset) > -1);
+    } else {
+      IRegion visibleRegion = sourceViewer.getVisibleRegion();
+      visible = (targetOffset >= visibleRegion.getOffset() && targetOffset < visibleRegion.getOffset() + visibleRegion.getLength());
+    }
+
+    if (!visible) {
+      setStatusLineErrorMessage(PHPEditorMessages.getString("GotoMatchingBracket.error.bracketOutsideSelectedElement")); //$NON-NLS-1$         
+      sourceViewer.getTextWidget().getDisplay().beep();
+      return;
+    }
+
+    if (selection.getLength() < 0)
+      targetOffset -= selection.getLength();
+
+    sourceViewer.setSelectedRange(targetOffset, selection.getLength());
+    sourceViewer.revealRange(targetOffset, selection.getLength());
+  }
+  /**
+     * Ses the given message as error message to this editor's status line.
+     * @param msg message to be set
+     */
+  protected void setStatusLineErrorMessage(String msg) {
+    IEditorStatusLine statusLine = (IEditorStatusLine) getAdapter(IEditorStatusLine.class);
+    if (statusLine != null)
+      statusLine.setMessage(true, msg, null);
+  }
+
+  /**
+     * Returns a segmentation of the line of the given document appropriate for bidi rendering.
+     * The default implementation returns only the string literals of a php code line as segments.
+     * 
+     * @param document the document
+     * @param lineOffset the offset of the line
+     * @return the line's bidi segmentation
+     * @throws BadLocationException in case lineOffset is not valid in document
+     */
+  public static int[] getBidiLineSegments(IDocument document, int lineOffset) throws BadLocationException {
+
+    IRegion line = document.getLineInformationOfOffset(lineOffset);
+    ITypedRegion[] linePartitioning = document.computePartitioning(lineOffset, line.getLength());
+
+    List segmentation = new ArrayList();
+    for (int i = 0; i < linePartitioning.length; i++) {
+      if (IPHPPartitionScannerConstants.PHP_STRING.equals(linePartitioning[i].getType()))
+        segmentation.add(linePartitioning[i]);
+    }
+
+    if (segmentation.size() == 0)
+      return null;
+
+    int size = segmentation.size();
+    int[] segments = new int[size * 2 + 1];
+
+    int j = 0;
+    for (int i = 0; i < size; i++) {
+      ITypedRegion segment = (ITypedRegion) segmentation.get(i);
+
+      if (i == 0)
+        segments[j++] = 0;
+
+      int offset = segment.getOffset() - lineOffset;
+      if (offset > segments[j - 1])
+        segments[j++] = offset;
+
+      if (offset + segment.getLength() >= line.getLength())
+        break;
+
+      segments[j++] = offset + segment.getLength();
+    }
+
+    if (j < segments.length) {
+      int[] result = new int[j];
+      System.arraycopy(segments, 0, result, 0, j);
+      segments = result;
+    }
+
+    return segments;
+  }
+  /**
+     * Returns a segmentation of the given line appropriate for bidi rendering. The default
+     * implementation returns only the string literals of a php code line as segments.
+     * 
+     * @param lineOffset the offset of the line
+     * @param line the content of the line
+     * @return the line's bidi segmentation
+     */
+  protected int[] getBidiLineSegments(int lineOffset, String line) {
+    IDocumentProvider provider = getDocumentProvider();
+    if (provider != null && line != null && line.length() > 0) {
+      IDocument document = provider.getDocument(getEditorInput());
+      if (document != null)
+        try {
+          return getBidiLineSegments(document, lineOffset);
+        } catch (BadLocationException x) {
+          // ignore
         }
-        if (getSourceViewer() != null) {
-          getSourceViewer().invalidateTextPresentation();
+    }
+    return null;
+  }
+
+  /*
+   * @see AbstractTextEditor#createSourceViewer(Composite, IVerticalRuler, int)
+   */
+  //  protected final ISourceViewer createSourceViewer(
+  //    Composite parent,
+  //    IVerticalRuler ruler,
+  //    int styles) {
+  //    ISourceViewer viewer = createJavaSourceViewer(parent, ruler, styles);
+  //    StyledText text = viewer.getTextWidget();
+  //    text.addBidiSegmentListener(new BidiSegmentListener() {
+  //      public void lineGetSegments(BidiSegmentEvent event) {
+  //        event.segments = getBidiLineSegments(event.lineOffset, event.lineText);
+  //      }
+  //    });
+  //    //   JavaUIHelp.setHelp(this, text, IJavaHelpContextIds.JAVA_EDITOR);
+  //    return viewer;
+  //  }
+  protected final ISourceViewer createSourceViewer(Composite parent, IVerticalRuler verticalRuler, int styles) {
+
+    ISharedTextColors sharedColors = PHPeclipsePlugin.getDefault().getJavaTextTools().getColorManager();
+
+    fOverviewRuler = new OverviewRuler(fAnnotationAccess, VERTICAL_RULER_WIDTH, sharedColors);
+    fOverviewRuler.addHeaderAnnotationType(AnnotationType.WARNING);
+    fOverviewRuler.addHeaderAnnotationType(AnnotationType.ERROR);
+
+    ISourceViewer viewer = createJavaSourceViewer(parent, verticalRuler, fOverviewRuler, isOverviewRulerVisible(), styles);
+
+    StyledText text = viewer.getTextWidget();
+    text.addBidiSegmentListener(new BidiSegmentListener() {
+      public void lineGetSegments(BidiSegmentEvent event) {
+        event.segments = getBidiLineSegments(event.lineOffset, event.lineText);
+      }
+    });
+
+    //         JavaUIHelp.setHelp(this, text, IJavaHelpContextIds.JAVA_EDITOR);
+
+    fSourceViewerDecorationSupport = new SourceViewerDecorationSupport(viewer, fOverviewRuler, fAnnotationAccess, sharedColors);
+    configureSourceViewerDecorationSupport();
+
+    return viewer;
+  }
+
+  protected void showOverviewRuler() {
+    if (fOverviewRuler != null) {
+      if (getSourceViewer() instanceof ISourceViewerExtension) {
+        ((ISourceViewerExtension) getSourceViewer()).showAnnotationsOverview(true);
+        fSourceViewerDecorationSupport.updateOverviewDecorations();
+      }
+    }
+  }
+
+  protected void hideOverviewRuler() {
+    if (getSourceViewer() instanceof ISourceViewerExtension) {
+      fSourceViewerDecorationSupport.hideAnnotationOverview();
+      ((ISourceViewerExtension) getSourceViewer()).showAnnotationsOverview(false);
+    }
+  }
+
+  protected boolean isOverviewRulerVisible() {
+    IPreferenceStore store = getPreferenceStore();
+    return store.getBoolean(OVERVIEW_RULER);
+  }
+  /*
+   * @see AbstractTextEditor#createSourceViewer(Composite, IVerticalRuler, int)
+   */
+  protected ISourceViewer createJavaSourceViewer(
+    Composite parent,
+    IVerticalRuler ruler,
+    IOverviewRuler overviewRuler,
+    boolean isOverviewRulerVisible,
+    int styles) {
+    return new SourceViewer(parent, ruler, overviewRuler, isOverviewRulerVisible(), styles);
+    //    return super.createSourceViewer(parent, ruler, styles);
+  }
+
+  /*
+   * @see AbstractTextEditor#affectsTextPresentation(PropertyChangeEvent)
+   */
+  protected boolean affectsTextPresentation(PropertyChangeEvent event) {
+    JavaTextTools textTools = PHPeclipsePlugin.getDefault().getJavaTextTools();
+    return textTools.affectsBehavior(event);
+  }
+
+  /**
+   * Jumps to the error next according to the given direction.
+   */
+  public void gotoError(boolean forward) {
+
+    ISelectionProvider provider = getSelectionProvider();
+
+    ITextSelection s = (ITextSelection) provider.getSelection();
+    Position errorPosition = new Position(0, 0);
+    IJavaAnnotation nextError = getNextError(s.getOffset(), forward, errorPosition);
+
+    if (nextError != null) {
+
+      IMarker marker = null;
+      if (nextError instanceof MarkerAnnotation)
+        marker = ((MarkerAnnotation) nextError).getMarker();
+      else {
+        Iterator e = nextError.getOverlaidIterator();
+        if (e != null) {
+          while (e.hasNext()) {
+            Object o = e.next();
+            if (o instanceof MarkerAnnotation) {
+              marker = ((MarkerAnnotation) o).getMarker();
+              break;
+            }
+          }
         }
+      }
 
-        String property = event.getProperty();
-        if (IPreferenceConstants.LINE_NUMBER_RULER.equals(property)) {
-          if (isLineNumberRulerVisible())
-            showLineNumberRuler();
-          else
-            hideLineNumberRuler();
-          return;
+      if (marker != null) {
+        IWorkbenchPage page = getSite().getPage();
+        IViewPart view = view = page.findView("org.eclipse.ui.views.TaskList"); //$NON-NLS-1$
+        if (view instanceof TaskList) {
+          StructuredSelection ss = new StructuredSelection(marker);
+          ((TaskList) view).setSelection(ss, true);
         }
       }
-    });
+
+      selectAndReveal(errorPosition.getOffset(), errorPosition.getLength());
+      setStatusLineErrorMessage(nextError.getMessage());
+
+    } else {
+
+      setStatusLineErrorMessage(null);
+
+    }
+  }
+
+  private IJavaAnnotation getNextError(int offset, boolean forward, Position errorPosition) {
+
+    IJavaAnnotation nextError = null;
+    Position nextErrorPosition = null;
+
+    IDocument document = getDocumentProvider().getDocument(getEditorInput());
+    int endOfDocument = document.getLength();
+    int distance = 0;
+
+    IAnnotationModel model = getDocumentProvider().getAnnotationModel(getEditorInput());
+    Iterator e = new JavaAnnotationIterator(model, false);
+    while (e.hasNext()) {
+
+      IJavaAnnotation a = (IJavaAnnotation) e.next();
+      if (a.hasOverlay() || !a.isProblem())
+        continue;
+
+      Position p = model.getPosition((Annotation) a);
+      if (!p.includes(offset)) {
+
+        int currentDistance = 0;
+
+        if (forward) {
+          currentDistance = p.getOffset() - offset;
+          if (currentDistance < 0)
+            currentDistance = endOfDocument - offset + p.getOffset();
+        } else {
+          currentDistance = offset - p.getOffset();
+          if (currentDistance < 0)
+            currentDistance = offset + endOfDocument - p.getOffset();
+        }
+
+        if (nextError == null || currentDistance < distance) {
+          distance = currentDistance;
+          nextError = a;
+          nextErrorPosition = p;
+        }
+      }
+    }
+
+    if (nextErrorPosition != null) {
+      errorPosition.setOffset(nextErrorPosition.getOffset());
+      errorPosition.setLength(nextErrorPosition.getLength());
+    }
+
+    return nextError;
   }
 }