stack frame bugs fixed
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpeclipse / phpeditor / PHPSourceViewerConfiguration.java
index abea8df..360da1e 100644 (file)
@@ -11,39 +11,82 @@ Contributors:
 **********************************************************************/
 package net.sourceforge.phpeclipse.phpeditor;
 
-import java.util.List;
+import java.util.Vector;
 
-import org.eclipse.swt.graphics.RGB;
+import net.sourceforge.phpdt.internal.ui.text.ContentAssistPreference;
+import net.sourceforge.phpdt.internal.ui.text.HTMLTextPresenter;
+import net.sourceforge.phpdt.internal.ui.text.PHPAnnotationHover;
+import net.sourceforge.phpdt.internal.ui.text.java.JavaFormattingStrategy;
+import net.sourceforge.phpdt.internal.ui.text.phpdoc.PHPDocCompletionProcessor;
+import net.sourceforge.phpdt.ui.PreferenceConstants;
+import net.sourceforge.phpdt.ui.text.JavaTextTools;
+import net.sourceforge.phpeclipse.PHPCore;
+import net.sourceforge.phpeclipse.PHPeclipsePlugin;
+import net.sourceforge.phpeclipse.phpeditor.html.HTMLFormattingStrategy;
+import net.sourceforge.phpeclipse.phpeditor.php.HTMLCompletionProcessor;
+import net.sourceforge.phpeclipse.phpeditor.php.IPHPPartitionScannerConstants;
+import net.sourceforge.phpeclipse.phpeditor.php.PHPAutoIndentStrategy;
+import net.sourceforge.phpeclipse.phpeditor.php.PHPCompletionProcessor;
+import net.sourceforge.phpeclipse.phpeditor.php.PHPDoubleClickSelector;
+import net.sourceforge.phpeclipse.phpeditor.util.PHPColorProvider;
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.jface.preference.IPreferenceStore;
 import org.eclipse.jface.text.DefaultAutoIndentStrategy;
+import org.eclipse.jface.text.DefaultInformationControl;
 import org.eclipse.jface.text.IAutoIndentStrategy;
 import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.IInformationControl;
+import org.eclipse.jface.text.IInformationControlCreator;
 import org.eclipse.jface.text.ITextDoubleClickStrategy;
 import org.eclipse.jface.text.ITextHover;
 import org.eclipse.jface.text.TextAttribute;
 import org.eclipse.jface.text.contentassist.ContentAssistant;
+import org.eclipse.jface.text.contentassist.IContentAssistProcessor;
 import org.eclipse.jface.text.contentassist.IContentAssistant;
+import org.eclipse.jface.text.formatter.ContentFormatter;
+import org.eclipse.jface.text.formatter.IContentFormatter;
+import org.eclipse.jface.text.formatter.IFormattingStrategy;
 import org.eclipse.jface.text.presentation.IPresentationReconciler;
 import org.eclipse.jface.text.presentation.PresentationReconciler;
 import org.eclipse.jface.text.rules.BufferedRuleBasedScanner;
 import org.eclipse.jface.text.rules.DefaultDamagerRepairer;
-import org.eclipse.jface.text.rules.IToken;
-import org.eclipse.jface.text.rules.RuleBasedDamagerRepairer;
+import org.eclipse.jface.text.rules.DefaultPartitioner;
+import org.eclipse.jface.text.rules.RuleBasedScanner;
 import org.eclipse.jface.text.rules.Token;
 import org.eclipse.jface.text.source.IAnnotationHover;
 import org.eclipse.jface.text.source.ISourceViewer;
 import org.eclipse.jface.text.source.SourceViewerConfiguration;
-import net.sourceforge.phpeclipse.phpeditor.php.PHPAutoIndentStrategy;
-import net.sourceforge.phpeclipse.phpeditor.php.PHPCompletionProcessor;
-import net.sourceforge.phpeclipse.phpeditor.php.PHPDoubleClickSelector;
-import net.sourceforge.phpeclipse.phpeditor.php.PHPPartitionScanner;
-//import net.sourceforge.phpeclipse.phpeditor.html.JavaDocCompletionProcessor;
-import net.sourceforge.phpeclipse.phpeditor.util.PHPColorProvider;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.ui.IFileEditorInput;
 
 /**
- * Configuration for an <code>SourceViewer</code> which shows PHP code.
+ * Configuration for an <code>SourceViewer</code> which shows PHP code. 
  */
 public class PHPSourceViewerConfiguration extends SourceViewerConfiguration {
 
+  /** 
+   * Preference key used to look up display tab width.
+   * 
+   * @since 2.0
+   */
+  public final static String PREFERENCE_TAB_WIDTH = PreferenceConstants.EDITOR_TAB_WIDTH;
+  /** 
+   * Preference key for inserting spaces rather than tabs.
+   * 
+   * @since 2.0
+   */
+  public final static String SPACES_FOR_TABS = PreferenceConstants.EDITOR_SPACES_FOR_TABS;
+
+  //  public static final String HTML_DEFAULT = IPHPPartitionScannerConstants.HTML;
+  //IDocument.DEFAULT_CONTENT_TYPE;
+
+  private JavaTextTools fJavaTextTools;
+  private PHPEditor fEditor;
+
+  private ContentFormatter fFormatter;
+  private HTMLFormattingStrategy fFormattingStrategy;
   /**
    * Single token scanner.
    */
@@ -56,11 +99,85 @@ public class PHPSourceViewerConfiguration extends SourceViewerConfiguration {
   /**
    * Default constructor.
    */
-  public PHPSourceViewerConfiguration() {
+  public PHPSourceViewerConfiguration(JavaTextTools textTools, PHPEditor editor) {
+    fJavaTextTools = textTools;
+    fEditor = editor;
   }
 
-  /* (non-Javadoc)
-   * Method declared on SourceViewerConfiguration
+  /*
+   * @see SourceViewerConfiguration#getContentFormatter(ISourceViewer)
+   */
+  public IContentFormatter getContentFormatter(ISourceViewer sourceViewer) {
+    //    if (fFormatter == null) {
+    //      fFormatter = new ContentFormatter();
+    //      fFormattingStrategy = new HTMLFormattingStrategy(this, sourceViewer);
+    //      fFormatter.setFormattingStrategy(fFormattingStrategy, HTML_DEFAULT);
+    //      fFormatter.enablePartitionAwareFormatting(false);
+    //      fFormatter.setPartitionManagingPositionCategories(getConfiguredContentTypes(null));
+    //    }
+    //    return fFormatter;
+
+    if (fFormatter == null) {
+      //ContentFormatter 
+      fFormatter = new ContentFormatter();
+      IFormattingStrategy strategy = new JavaFormattingStrategy(sourceViewer);
+
+      fFormatter.setFormattingStrategy(strategy, IDocument.DEFAULT_CONTENT_TYPE);
+      fFormatter.enablePartitionAwareFormatting(false);
+      fFormatter.setPartitionManagingPositionCategories(getPartitionManagingPositionCategories());
+    }
+    return fFormatter;
+  }
+
+  /**
+   * Returns the names of the document position categories used by the document
+   * partitioners created by this object to manage their partition information.
+   * If the partitioners don't use document position categories, the returned
+   * result is <code>null</code>.
+   *
+   * @return the partition managing position categories or <code>null</code> 
+   *                   if there is none
+   */
+  public String[] getPartitionManagingPositionCategories() {
+    return new String[] { DefaultPartitioner.CONTENT_TYPES_CATEGORY };
+  }
+  //  /** 
+  //   * Returns the names of the document position categories used by the document
+  //   * partitioners created by this object to manage their partition information.
+  //   * If the partitioners don't use document position categories, the returned
+  //   * result is <code>null</code>.
+  //   *
+  //   * @return the partition managing position categories or <code>null</code> 
+  //   *                       if there is none
+  //   */
+  //  private String[] getPartitionManagingPositionCategories() {
+  //    return new String[] { DefaultPartitioner.CONTENT_TYPES_CATEGORY };
+  //  } 
+
+  public PHPEditor getEditor() {
+    return fEditor;
+  }
+
+  /**
+   * Returns the preference store used by this configuration to initialize
+   * the individual bits and pieces.
+   * 
+   * @return the preference store used to initialize this configuration
+   * 
+   * @since 2.0
+   */
+  protected IPreferenceStore getPreferenceStore() {
+    return PHPeclipsePlugin.getDefault().getPreferenceStore();
+  }
+
+  //  /* (non-Javadoc)
+  //   * Method declared on SourceViewerConfiguration
+  //   */
+  //  public IAnnotationHover getAnnotationHover(ISourceViewer sourceViewer) {
+  //    return new PHPAnnotationHover();
+  //  }
+  /*
+   * @see SourceViewerConfiguration#getAnnotationHover(ISourceViewer)
    */
   public IAnnotationHover getAnnotationHover(ISourceViewer sourceViewer) {
     return new PHPAnnotationHover();
@@ -70,32 +187,108 @@ public class PHPSourceViewerConfiguration extends SourceViewerConfiguration {
    * Method declared on SourceViewerConfiguration
    */
   public IAutoIndentStrategy getAutoIndentStrategy(ISourceViewer sourceViewer, String contentType) {
-    return (IDocument.DEFAULT_CONTENT_TYPE.equals(contentType) ? new PHPAutoIndentStrategy() : new DefaultAutoIndentStrategy());
+    return (IPHPPartitionScannerConstants.PHP.equals(contentType) ? new PHPAutoIndentStrategy() : new DefaultAutoIndentStrategy());
+  }
+
+  /**
+   * Returns the PHP source code scanner for this configuration.
+   *
+   * @return the PHP source code scanner
+   */
+  protected RuleBasedScanner getCodeScanner() {
+    return fJavaTextTools.getCodeScanner();
+  }
+
+  /**
+   * Returns the HTML source code scanner for this configuration.
+   *
+   * @return the HTML source code scanner
+   */
+  protected RuleBasedScanner getHTMLScanner() {
+    return fJavaTextTools.getHTMLScanner();
+  }
+
+       /**
+        * Returns the Smarty source code scanner for this configuration.
+        *
+        * @return the Smarty source code scanner
+        */
+       protected RuleBasedScanner getSmartyScanner() {
+               return fJavaTextTools.getSmartyScanner();
+       }
+       
+       /**
+        * Returns the SmartyDoc source code scanner for this configuration.
+        *
+        * @return the SmartyDoc source code scanner
+        */
+       protected RuleBasedScanner getSmartyDocScanner() {
+               return fJavaTextTools.getSmartyDocScanner();
+       }
+       
+               
+  /**
+   * Returns the PHPDoc source code scanner for this configuration.
+   *
+   * @return the PHPDoc source code scanner
+   */
+  protected RuleBasedScanner getPHPDocScanner() {
+    return fJavaTextTools.getJavaDocScanner();
   }
 
   /* (non-Javadoc)
    * Method declared on SourceViewerConfiguration
    */
   public String[] getConfiguredContentTypes(ISourceViewer sourceViewer) {
-    return new String[] { IDocument.DEFAULT_CONTENT_TYPE, PHPPartitionScanner.PHP,
-      //       PHPPartitionScanner.JAVA_DOC,
-      PHPPartitionScanner.HTML_MULTILINE_COMMENT };
+    return new String[] {
+      IPHPPartitionScannerConstants.HTML,
+      IPHPPartitionScannerConstants.HTML_MULTILINE_COMMENT,
+      IPHPPartitionScannerConstants.PHP,
+      IPHPPartitionScannerConstants.PHP_MULTILINE_COMMENT,
+      IPHPPartitionScannerConstants.CSS,
+      IPHPPartitionScannerConstants.CSS_MULTILINE_COMMENT,
+      IPHPPartitionScannerConstants.JAVASCRIPT,
+      IPHPPartitionScannerConstants.JS_MULTILINE_COMMENT,
+      IPHPPartitionScannerConstants.SMARTY,
+                       IPHPPartitionScannerConstants.SMARTY_MULTILINE_COMMENT,
+      IDocument.DEFAULT_CONTENT_TYPE };
   }
 
-  /* (non-Javadoc)
+  /* (non-Javadoc) 
    * Method declared on SourceViewerConfiguration
    */
   public IContentAssistant getContentAssistant(ISourceViewer sourceViewer) {
 
     ContentAssistant assistant = new ContentAssistant();
-    // assistant.setContentAssistProcessor(new PHPCompletionProcessor(), IDocument.DEFAULT_CONTENT_TYPE);
-    assistant.setContentAssistProcessor(new PHPCompletionProcessor(), PHPPartitionScanner.PHP);
+    IContentAssistProcessor processor = new HTMLCompletionProcessor();
+    assistant.setContentAssistProcessor(processor, IPHPPartitionScannerConstants.HTML);
+    assistant.setContentAssistProcessor(processor, IPHPPartitionScannerConstants.HTML_MULTILINE_COMMENT);
+    assistant.setContentAssistProcessor(processor, IDocument.DEFAULT_CONTENT_TYPE);
+    assistant.setContentAssistProcessor(processor, IPHPPartitionScannerConstants.CSS);
+    assistant.setContentAssistProcessor(processor, IPHPPartitionScannerConstants.CSS_MULTILINE_COMMENT);
+    assistant.setContentAssistProcessor(processor, IPHPPartitionScannerConstants.JAVASCRIPT);
+    assistant.setContentAssistProcessor(processor, IPHPPartitionScannerConstants.JS_MULTILINE_COMMENT);
+    // TODO define special smarty partition content assist
+    assistant.setContentAssistProcessor(processor, IPHPPartitionScannerConstants.SMARTY);
+               assistant.setContentAssistProcessor(processor, IPHPPartitionScannerConstants.SMARTY_MULTILINE_COMMENT);
 
-    assistant.enableAutoActivation(true);
-    assistant.setAutoActivationDelay(500);
-    assistant.setProposalPopupOrientation(assistant.PROPOSAL_OVERLAY);
-    assistant.setContextInformationPopupOrientation(assistant.CONTEXT_INFO_ABOVE);
-    assistant.setContextInformationPopupBackground(PHPEditorEnvironment.getJavaColorProvider().getColor(new RGB(150, 150, 0)));
+    assistant.setContentAssistProcessor(new PHPCompletionProcessor(), IPHPPartitionScannerConstants.PHP);
+
+    assistant.setContentAssistProcessor(new PHPDocCompletionProcessor(), IPHPPartitionScannerConstants.PHP_MULTILINE_COMMENT);
+
+    //    assistant.enableAutoActivation(true);
+    //    assistant.setAutoActivationDelay(500);
+    //    assistant.setProposalPopupOrientation(ContentAssistant.PROPOSAL_OVERLAY);
+    //    ContentAssistPreference.configure(assistant, getPreferenceStore());
+    //    assistant.setContextInformationPopupOrientation(
+    //      ContentAssistant.CONTEXT_INFO_ABOVE);
+    //    assistant.setContextInformationPopupBackground(
+    //      PHPEditorEnvironment.getPHPColorProvider().getColor(
+    //        new RGB(150, 150, 0)));
+    ContentAssistPreference.configure(assistant, getPreferenceStore());
+
+    assistant.setContextInformationPopupOrientation(ContentAssistant.CONTEXT_INFO_ABOVE);
+    assistant.setInformationControlCreator(getInformationControlCreator(sourceViewer));
 
     return assistant;
   }
@@ -103,8 +296,17 @@ public class PHPSourceViewerConfiguration extends SourceViewerConfiguration {
   /* (non-Javadoc)
    * Method declared on SourceViewerConfiguration
    */
-  public String getDefaultPrefix(ISourceViewer sourceViewer, String contentType) {
-    return (IDocument.DEFAULT_CONTENT_TYPE.equals(contentType) ? "//" : null); //$NON-NLS-1$
+  //  public String getDefaultPrefix(ISourceViewer sourceViewer, String contentType) {
+  //    return (PHPPartitionScanner.PHP.equals(contentType) ? "//" : null); //$NON-NLS-1$
+  //    // return (IDocument.DEFAULT_CONTENT_TYPE.equals(contentType) ? "//" : null); //$NON-NLS-1$
+  //  }
+
+  /*
+   * @see SourceViewerConfiguration#getDefaultPrefix(ISourceViewer, String)
+   * @since 2.0
+   */
+  public String[] getDefaultPrefixes(ISourceViewer sourceViewer, String contentType) {
+    return new String[] { "//", "" }; //$NON-NLS-1$ //$NON-NLS-2$
   }
 
   /* (non-Javadoc)
@@ -114,40 +316,92 @@ public class PHPSourceViewerConfiguration extends SourceViewerConfiguration {
     return new PHPDoubleClickSelector();
   }
 
-  /* (non-Javadoc)
-   * Method declared on SourceViewerConfiguration
+  /*
+   * @see SourceViewerConfiguration#getIndentPrefixes(ISourceViewer, String)
    */
   public String[] getIndentPrefixes(ISourceViewer sourceViewer, String contentType) {
-    return new String[] { "\t", "    " }; //$NON-NLS-1$ //$NON-NLS-2$
-  }
 
+    Vector vector = new Vector();
+
+    // prefix[0] is either '\t' or ' ' x tabWidth, depending on useSpaces
+
+    final IPreferenceStore preferences = PHPeclipsePlugin.getDefault().getPreferenceStore();
+    int tabWidth = preferences.getInt(PHPCore.FORMATTER_TAB_SIZE);
+    boolean useSpaces = getPreferenceStore().getBoolean(SPACES_FOR_TABS);
+
+    for (int i = 0; i <= tabWidth; i++) {
+      StringBuffer prefix = new StringBuffer();
+
+      if (useSpaces) {
+        for (int j = 0; j + i < tabWidth; j++)
+          prefix.append(' ');
+
+        if (i != 0)
+          prefix.append('\t');
+      } else {
+        for (int j = 0; j < i; j++)
+          prefix.append(' ');
+
+        if (i != tabWidth)
+          prefix.append('\t');
+      }
+
+      vector.add(prefix.toString());
+    }
+
+    vector.add(""); //$NON-NLS-1$
+
+    return (String[]) vector.toArray(new String[vector.size()]);
+  }
   /* (non-Javadoc)
    * Method declared on SourceViewerConfiguration
    */
   public IPresentationReconciler getPresentationReconciler(ISourceViewer sourceViewer) {
-
-    PHPColorProvider provider = PHPEditorEnvironment.getJavaColorProvider();
+    //  PHPColorProvider provider = PHPEditorEnvironment.getPHPColorProvider();
+    //    JavaColorManager provider = PHPEditorEnvironment.getPHPColorProvider();
     PresentationReconciler reconciler = new PresentationReconciler();
-    
-    DefaultDamagerRepairer dr= new DefaultDamagerRepairer(PHPEditorEnvironment.getHTMLCodeScanner());
+
+    DefaultDamagerRepairer dr = new DefaultDamagerRepairer(getHTMLScanner());
     reconciler.setDamager(dr, IDocument.DEFAULT_CONTENT_TYPE);
     reconciler.setRepairer(dr, IDocument.DEFAULT_CONTENT_TYPE);
-    
-//    dr = new DefaultDamagerRepairer(new SingleTokenScanner(new TextAttribute(provider.getColor(provider.HTML_DEFAULT))));
-//    reconciler.setDamager(dr, IDocument.DEFAULT_CONTENT_TYPE);
-//    reconciler.setRepairer(dr, IDocument.DEFAULT_CONTENT_TYPE);
 
-    dr = new DefaultDamagerRepairer(PHPEditorEnvironment.getPHPCodeScanner());
-    reconciler.setDamager(dr, PHPPartitionScanner.PHP);
-    reconciler.setRepairer(dr, PHPPartitionScanner.PHP);
+    dr = new DefaultDamagerRepairer(getHTMLScanner());
+    reconciler.setDamager(dr, IPHPPartitionScannerConstants.HTML);
+    reconciler.setRepairer(dr, IPHPPartitionScannerConstants.HTML);
+    dr = new DefaultDamagerRepairer(getHTMLScanner());
+    reconciler.setDamager(dr, IPHPPartitionScannerConstants.CSS);
+    reconciler.setRepairer(dr, IPHPPartitionScannerConstants.CSS);
+    dr = new DefaultDamagerRepairer(getHTMLScanner());
+    reconciler.setDamager(dr, IPHPPartitionScannerConstants.CSS_MULTILINE_COMMENT);
+    reconciler.setRepairer(dr, IPHPPartitionScannerConstants.CSS_MULTILINE_COMMENT);
+    dr = new DefaultDamagerRepairer(getHTMLScanner());
+    reconciler.setDamager(dr, IPHPPartitionScannerConstants.JAVASCRIPT);
+    reconciler.setRepairer(dr, IPHPPartitionScannerConstants.JAVASCRIPT);
+    dr = new DefaultDamagerRepairer(getHTMLScanner());
+    reconciler.setDamager(dr, IPHPPartitionScannerConstants.JS_MULTILINE_COMMENT);
+    reconciler.setRepairer(dr, IPHPPartitionScannerConstants.JS_MULTILINE_COMMENT);
+    
+               dr = new DefaultDamagerRepairer(getSmartyScanner());
+                               reconciler.setDamager(dr, IPHPPartitionScannerConstants.SMARTY);
+                               reconciler.setRepairer(dr, IPHPPartitionScannerConstants.SMARTY);
+                               
+               dr = new DefaultDamagerRepairer(getSmartyDocScanner());
+                               reconciler.setDamager(dr, IPHPPartitionScannerConstants.SMARTY_MULTILINE_COMMENT);
+                               reconciler.setRepairer(dr, IPHPPartitionScannerConstants.SMARTY_MULTILINE_COMMENT);
+                               
+    dr =
+      new DefaultDamagerRepairer(
+        new SingleTokenScanner(new TextAttribute(fJavaTextTools.getColorManager().getColor(PHPColorProvider.MULTI_LINE_COMMENT))));
+    reconciler.setDamager(dr, IPHPPartitionScannerConstants.HTML_MULTILINE_COMMENT);
+    reconciler.setRepairer(dr, IPHPPartitionScannerConstants.HTML_MULTILINE_COMMENT);
 
-//    dr = new DefaultDamagerRepairer(PHPEditorEnvironment.getHTMLCodeScanner());
-//    reconciler.setDamager(dr, PHPPartitionScanner.HTML);
-//    reconciler.setRepairer(dr, PHPPartitionScanner.HTML);
+    dr = new DefaultDamagerRepairer(getCodeScanner());
+    reconciler.setDamager(dr, IPHPPartitionScannerConstants.PHP);
+    reconciler.setRepairer(dr, IPHPPartitionScannerConstants.PHP);
 
-    dr = new DefaultDamagerRepairer(new SingleTokenScanner(new TextAttribute(provider.getColor(provider.MULTI_LINE_COMMENT))));
-    reconciler.setDamager(dr, PHPPartitionScanner.HTML_MULTILINE_COMMENT);
-    reconciler.setRepairer(dr, PHPPartitionScanner.HTML_MULTILINE_COMMENT);
+    dr = new DefaultDamagerRepairer(getPHPDocScanner());
+    reconciler.setDamager(dr, IPHPPartitionScannerConstants.PHP_MULTILINE_COMMENT);
+    reconciler.setRepairer(dr, IPHPPartitionScannerConstants.PHP_MULTILINE_COMMENT);
 
     return reconciler;
   }
@@ -156,13 +410,65 @@ public class PHPSourceViewerConfiguration extends SourceViewerConfiguration {
    * Method declared on SourceViewerConfiguration
    */
   public int getTabWidth(ISourceViewer sourceViewer) {
-    return 4;
+    return getPreferenceStore().getInt(PREFERENCE_TAB_WIDTH);
   }
 
   /* (non-Javadoc)
    * Method declared on SourceViewerConfiguration
    */
   public ITextHover getTextHover(ISourceViewer sourceViewer, String contentType) {
-    return new PHPTextHover();
+    try {
+      IFile f = ((IFileEditorInput) fEditor.getEditorInput()).getFile();
+      return new PHPTextHover(f.getProject());
+    } catch (NullPointerException e) {
+      // this exception occurs, if getTextHover is called by preference pages !
+    }
+    return new PHPTextHover(null);
+  }
+
+  /*
+   * @see SourceViewerConfiguration#getInformationControlCreator(ISourceViewer)
+   * @since 2.0
+   */
+  public IInformationControlCreator getInformationControlCreator(ISourceViewer sourceViewer) {
+    return new IInformationControlCreator() {
+      public IInformationControl createInformationControl(Shell parent) {
+        return new DefaultInformationControl(parent, SWT.NONE, new HTMLTextPresenter(true));
+        // return new HoverBrowserControl(parent);
+      }
+    };
+  }
+
+  /*
+   * @see SourceViewerConfiguration#getInformationPresenter(ISourceViewer)
+   * @since 2.0
+   */
+  //   public IInformationPresenter getInformationPresenter(ISourceViewer sourceViewer) {
+  //           InformationPresenter presenter= new InformationPresenter(getInformationPresenterControlCreator(sourceViewer));
+  //           IInformationProvider provider= new JavaInformationProvider(getEditor());
+  //           presenter.setInformationProvider(provider, IDocument.DEFAULT_CONTENT_TYPE);
+  //           presenter.setInformationProvider(provider, IJavaPartitions.JAVA_DOC);
+  //           presenter.setSizeConstraints(60, 10, true, true);               
+  //           return presenter;
+  //   }
+
+  /**
+   * Returns the information presenter control creator. The creator is a factory creating the
+   * presenter controls for the given source viewer. This implementation always returns a creator
+   * for <code>DefaultInformationControl</code> instances.
+   * 
+   * @param sourceViewer the source viewer to be configured by this configuration
+   * @return an information control creator
+   * @since 2.1
+   */
+  private IInformationControlCreator getInformationPresenterControlCreator(ISourceViewer sourceViewer) {
+    return new IInformationControlCreator() {
+      public IInformationControl createInformationControl(Shell parent) {
+        int shellStyle = SWT.RESIZE;
+        int style = SWT.V_SCROLL | SWT.H_SCROLL;
+        return new DefaultInformationControl(parent, shellStyle, style, new HTMLTextPresenter(false));
+        // return new HoverBrowserControl(parent);
+      }
+    };
   }
 }