Changes:
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpeclipse / phpeditor / PHPEditor.java
index 16072a2..29f1f20 100644 (file)
@@ -13,6 +13,8 @@ Contributors:
 **********************************************************************/
 import java.util.ArrayList;
 import java.util.List;
+import java.util.ResourceBundle;
+import java.util.StringTokenizer;
 
 import net.sourceforge.phpdt.internal.ui.actions.CompositeActionGroup;
 import net.sourceforge.phpdt.internal.ui.text.HTMLTextPresenter;
@@ -30,69 +32,934 @@ import net.sourceforge.phpeclipse.phpeditor.php.IPHPPartitionScannerConstants;
 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.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.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.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.ISelectionChangedListener;
+import org.eclipse.jface.viewers.SelectionChangedEvent;
 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.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.IPartService;
+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.DefaultEncodingSupport;
+import org.eclipse.ui.editors.text.IEncodingSupport;
+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.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;
+
 /**
  * PHP specific text editor.
  */
-public class PHPEditor
-  extends StatusTextEditor
-  implements IViewPartInputProvider { // extends TextEditor {
+public abstract class PHPEditor extends StatusTextEditor implements IViewPartInputProvider { // extends TextEditor {
+  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;
+  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;
+  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;
+  private final static String LINK_COLOR = PreferenceConstants.EDITOR_LINK_COLOR;
 
   // protected PHPActionGroup fActionGroups;
   /** The outline page */
@@ -101,11 +968,17 @@ public class PHPEditor
   //  protected PHPSyntaxParserThread fValidationThread = null;
 
   // private IPreferenceStore fPHPPrefStore;
+  /** The selection changed listener */
+  protected ISelectionChangedListener fSelectionChangedListener = new SelectionChangedListener();
 
   /** The editor's bracket matcher */
-  private PHPPairMatcher fBracketMatcher;
+  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 */
@@ -114,6 +987,17 @@ public class PHPEditor
 
   /** 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();
 
   /**
    * Default constructor.
@@ -121,15 +1005,15 @@ public class PHPEditor
   public PHPEditor() {
     super();
     JavaTextTools textTools = PHPeclipsePlugin.getDefault().getJavaTextTools();
-    setSourceViewerConfiguration(
-      new PHPSourceViewerConfiguration(textTools, this));
+    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();
-
-    initializeEditor();
   }
   //
   //   /**
@@ -146,7 +1030,15 @@ public class PHPEditor
   //   
   //           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.
    */
@@ -158,32 +1050,22 @@ public class PHPEditor
 
       String t = types[i];
 
-      int[] stateMasks =
-        configuration.getConfiguredTextHoverStateMasks(getSourceViewer(), t);
+      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);
+            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);
+          ((ITextViewerExtension2) sourceViewer).setTextHover(textHover, t, ITextViewerExtension2.DEFAULT_HOVER_STATE_MASK);
         }
       } else
-        sourceViewer.setTextHover(
-          configuration.getTextHover(sourceViewer, t),
-          t);
+        sourceViewer.setTextHover(configuration.getTextHover(sourceViewer, t), t);
     }
   }
 
@@ -201,16 +1083,16 @@ public class PHPEditor
   public void createPartControl(Composite parent) {
     super.createPartControl(parent);
 
-    IInformationControlCreator informationControlCreator =
-      new IInformationControlCreator() {
+    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));
+        return new DefaultInformationControl(parent, SWT.RESIZE, style, new HTMLTextPresenter(cutDown));
       }
     };
 
@@ -225,8 +1107,7 @@ public class PHPEditor
    * @return the document's complete text
    */
   public String get() {
-    IDocument doc =
-      this.getDocumentProvider().getDocument(this.getEditorInput());
+    IDocument doc = this.getDocumentProvider().getDocument(this.getEditorInput());
     return doc.get();
   }
 
@@ -248,6 +1129,17 @@ public class PHPEditor
   protected void createActions() {
     super.createActions();
 
+    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(
@@ -259,12 +1151,14 @@ public class PHPEditor
         ISourceViewer.CONTENTASSIST_CONTEXT_INFORMATION));
 
     action = new ContentAssistAction(PHPEditorMessages.getResourceBundle(), "ContentAssistProposal.", this); //$NON-NLS-1$
-    action.setActionDefinitionId(
-      PHPEditorActionDefinitionIds.CONTENT_ASSIST_PROPOSALS);
+    action.setActionDefinitionId(PHPEditorActionDefinitionIds.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); //$NON-NLS-1$
@@ -285,19 +1179,15 @@ public class PHPEditor
     // WorkbenchHelp.setHelp(action, IJavaHelpContextIds.FORMAT_ACTION);
 
     action = new GotoMatchingBracketAction(this);
-    action.setActionDefinitionId(
-      PHPEditorActionDefinitionIds.GOTO_MATCHING_BRACKET);
+    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 });
+    fContextMenuGroup = new CompositeActionGroup(new ActionGroup[] { fGenerateActionGroup });
     //      rg, 
     //      new LocalHistoryActionGroup(this, ITextEditorActionConstants.GROUP_EDIT)});
 
@@ -324,6 +1214,29 @@ public class PHPEditor
     if (fActionGroups != null)
       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();
   }
 
@@ -344,7 +1257,7 @@ public class PHPEditor
   public void doSave(IProgressMonitor monitor) {
     super.doSave(monitor);
     // compile or not, according to the user preferences
-    IPreferenceStore store = getPreferenceStore(); // fPHPPrefStore;
+    // IPreferenceStore store = getPreferenceStore(); 
 
     // the parse on save was changed to the eclipse "builders" concept
     //    if (store.getBoolean(PHPeclipsePlugin.PHP_PARSE_ON_SAVE)) {
@@ -371,15 +1284,53 @@ public class PHPEditor
     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.
    */
   protected void doSetInput(IEditorInput input) throws CoreException {
     super.doSetInput(input);
+
+    if (fEncodingSupport != null)
+      fEncodingSupport.reset();
     if (fOutlinePage != null)
       fOutlinePage.setInput(input);
+    //         setOutlinePageInput(fOutlinePage, input);
   }
 
   /*
@@ -395,15 +1346,10 @@ public class PHPEditor
    */
   public void editorContextMenuAboutToShow(MenuManager menu) {
     super.editorContextMenuAboutToShow(menu);
-    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());
+    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);
@@ -416,6 +1362,31 @@ public class PHPEditor
     //    fContextMenuGroup.setContext(null);
   }
 
+  /**
+   * Creates the outline page used with this editor.
+   */
+  protected AbstractContentOutlinePage createOutlinePage() {
+
+    AbstractContentOutlinePage page = new PHPContentOutlinePage(getDocumentProvider(), this);
+
+    page.addSelectionChangedListener(fSelectionChangedListener);
+    //    setOutlinePageInput(page, getEditorInput());
+    if (getEditorInput() != null)
+      fOutlinePage.setInput(getEditorInput());
+
+    return page;
+  }
+
+  /**
+   * Informs the editor that its outliner has been closed.
+   */
+  public void outlinePageClosed() {
+    if (fOutlinePage != null) {
+      fOutlinePage.removeSelectionChangedListener(fSelectionChangedListener);
+      fOutlinePage = null;
+      resetHighlightRange();
+    }
+  }
   protected void updateStateDependentActions() {
     super.updateStateDependentActions();
     fGenerateActionGroup.editorStateChanged();
@@ -435,9 +1406,45 @@ public class PHPEditor
       }
       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();
+    //                 }
+  }
+
+  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());
   //    ITextSelection selection = (ITextSelection) this.getSelectionProvider().getSelection();
@@ -489,12 +1496,19 @@ public class PHPEditor
         if (value instanceof Integer) {
           sourceViewer.getTextWidget().setTabs(((Integer) value).intValue());
         } else if (value instanceof String) {
-          sourceViewer.getTextWidget().setTabs(
-            Integer.parseInt((String) value));
+          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();
@@ -585,6 +1599,49 @@ public class PHPEditor
       c.addDecorator(1, createLineNumberRulerColumn());
     }
   }
+  /**
+        * 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 
@@ -635,13 +1692,9 @@ public class PHPEditor
       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);
+            rgb = PreferenceConverter.getDefaultColor(store, PREFERENCE_COLOR_BACKGROUND);
           else
-            rgb =
-              PreferenceConverter.getColor(store, PREFERENCE_COLOR_BACKGROUND);
+            rgb = PreferenceConverter.getColor(store, PREFERENCE_COLOR_BACKGROUND);
         }
       }
       rulerColumn.setBackground(manager.getColor(rgb));
@@ -668,35 +1721,6 @@ public class PHPEditor
     return ruler;
   }
 
-  /* (non-Javadoc)
-   * Method declared on TextEditor
-   */
-  protected void initializeEditor() {
-    IPreferenceStore store = PHPeclipsePlugin.getDefault().getPreferenceStore();
-    //   PHPEditorEnvironment.connect(this);
-
-    //    store.addPropertyChangeListener(new IPropertyChangeListener() {
-    //      public void propertyChange(PropertyChangeEvent event) {
-    //        PHPCodeScanner scanner = PHPEditorEnvironment.getPHPCodeScanner();
-    //        if (scanner != null) {
-    //          scanner.updateToken(PHPEditorEnvironment.getPHPColorProvider());
-    //        }
-    //        if (getSourceViewer() != null) {
-    //          getSourceViewer().invalidateTextPresentation();
-    //        }
-    //
-    //        String property = event.getProperty();
-    //        if (IPreferenceConstants.LINE_NUMBER_RULER.equals(property)) {
-    //          if (isLineNumberRulerVisible())
-    //            showLineNumberRuler();
-    //          else
-    //            hideLineNumberRuler();
-    //          return;
-    //        }
-    //      }
-    //    });
-  }
-
   private static IRegion getSignedSelection(ITextViewer viewer) {
 
     StyledText text = viewer.getTextWidget();
@@ -718,6 +1742,78 @@ public class PHPEditor
     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
+   */
+  private final static String BROWSER_LIKE_LINKS_KEY_MODIFIER_MASK =
+    PreferenceConstants.EDITOR_BROWSER_LIKE_LINKS_KEY_MODIFIER_MASK;
+
   private final static char[] BRACKETS = { '{', '}', '(', ')', '[', ']' };
 
   private static boolean isBracket(char character) {
@@ -727,28 +1823,70 @@ public class PHPEditor
     return false;
   }
 
-  private static boolean isSurroundedByBrackets(
-    IDocument document,
-    int offset) {
+  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));
+      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() {
 
-    if (fBracketMatcher == null)
-      fBracketMatcher = new PHPPairMatcher(BRACKETS);
-
     ISourceViewer sourceViewer = getSourceViewer();
     IDocument document = sourceViewer.getDocument();
     if (document == null)
@@ -782,8 +1920,7 @@ public class PHPEditor
       return;
 
     int anchor = fBracketMatcher.getAnchor();
-    int targetOffset =
-      (PHPPairMatcher.RIGHT == anchor) ? offset : offset + length - 1;
+    int targetOffset = (PHPPairMatcher.RIGHT == anchor) ? offset : offset + length - 1;
 
     boolean visible = false;
     if (sourceViewer instanceof ITextViewerExtension3) {
@@ -791,9 +1928,7 @@ public class PHPEditor
       visible = (extension.modelOffset2WidgetOffset(targetOffset) > -1);
     } else {
       IRegion visibleRegion = sourceViewer.getVisibleRegion();
-      visible =
-        (targetOffset >= visibleRegion.getOffset()
-          && targetOffset < visibleRegion.getOffset() + visibleRegion.getLength());
+      visible = (targetOffset >= visibleRegion.getOffset() && targetOffset < visibleRegion.getOffset() + visibleRegion.getLength());
     }
 
     if (!visible) {
@@ -813,8 +1948,7 @@ public class PHPEditor
      * @param msg message to be set
      */
   protected void setStatusLineErrorMessage(String msg) {
-    IEditorStatusLine statusLine =
-      (IEditorStatusLine) getAdapter(IEditorStatusLine.class);
+    IEditorStatusLine statusLine = (IEditorStatusLine) getAdapter(IEditorStatusLine.class);
     if (statusLine != null)
       statusLine.setMessage(true, msg, null);
   }
@@ -828,18 +1962,14 @@ public class PHPEditor
      * @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 {
+  public static int[] getBidiLineSegments(IDocument document, int lineOffset) throws BadLocationException {
 
     IRegion line = document.getLineInformationOfOffset(lineOffset);
-    ITypedRegion[] linePartitioning =
-      document.computePartitioning(lineOffset, line.getLength());
+    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()))
+      if (IPHPPartitionScannerConstants.PHP_STRING.equals(linePartitioning[i].getType()))
         segmentation.add(linePartitioning[i]);
     }
 
@@ -899,29 +2029,76 @@ public class PHPEditor
   /*
    * @see AbstractTextEditor#createSourceViewer(Composite, IVerticalRuler, int)
    */
-  protected final ISourceViewer createSourceViewer(
-    Composite parent,
-    IVerticalRuler ruler,
-    int styles) {
-    ISourceViewer viewer = createJavaSourceViewer(parent, ruler, styles);
+  //  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);
+
+    //         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 super.createSourceViewer(parent, ruler, styles);
+    return new SourceViewer(parent, ruler, overviewRuler, isOverviewRulerVisible(), styles);
+    //    return super.createSourceViewer(parent, ruler, styles);
   }
 
   /*
@@ -931,4 +2108,5 @@ public class PHPEditor
     JavaTextTools textTools = PHPeclipsePlugin.getDefault().getJavaTextTools();
     return textTools.affectsBehavior(event);
   }
+
 }