GotoMatchingBracket implementiert
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpeclipse / phpeditor / PHPEditor.java
index 2d0b71d..ed60680 100644 (file)
@@ -11,11 +11,15 @@ Contributors:
     IBM Corporation - Initial implementation
     Klaus Hartlage - www.eclipseproject.de
 **********************************************************************/
+import net.sourceforge.phpdt.internal.ui.actions.CompositeActionGroup;
+import net.sourceforge.phpdt.internal.ui.text.PHPPairMatcher;
+import net.sourceforge.phpdt.ui.actions.GenerateActionGroup;
+import net.sourceforge.phpdt.ui.actions.GotoMatchingBracketAction;
 import net.sourceforge.phpeclipse.IPreferenceConstants;
 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 org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.jface.action.Action;
@@ -25,7 +29,11 @@ import org.eclipse.jface.preference.IPreferenceStore;
 import org.eclipse.jface.preference.PreferenceConverter;
 import org.eclipse.jface.text.BadLocationException;
 import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.IRegion;
 import org.eclipse.jface.text.ITextOperationTarget;
+import org.eclipse.jface.text.ITextViewer;
+import org.eclipse.jface.text.ITextViewerExtension3;
+import org.eclipse.jface.text.Region;
 import org.eclipse.jface.text.source.AnnotationRulerColumn;
 import org.eclipse.jface.text.source.CompositeRuler;
 import org.eclipse.jface.text.source.ISourceViewer;
@@ -34,32 +42,79 @@ import org.eclipse.jface.text.source.IVerticalRulerColumn;
 import org.eclipse.jface.text.source.LineNumberRulerColumn;
 import org.eclipse.jface.util.IPropertyChangeListener;
 import org.eclipse.jface.util.PropertyChangeEvent;
+import org.eclipse.swt.custom.StyledText;
 import org.eclipse.swt.graphics.Point;
 import org.eclipse.swt.graphics.RGB;
 import org.eclipse.ui.IEditorInput;
+import org.eclipse.ui.actions.ActionContext;
+import org.eclipse.ui.actions.ActionGroup;
 import org.eclipse.ui.editors.text.TextEditor;
+import org.eclipse.ui.texteditor.ContentAssistAction;
 import org.eclipse.ui.texteditor.DefaultRangeIndicator;
+import org.eclipse.ui.texteditor.IEditorStatusLine;
 import org.eclipse.ui.texteditor.ITextEditorActionConstants;
 import org.eclipse.ui.texteditor.TextOperationAction;
 import org.eclipse.ui.views.contentoutline.IContentOutlinePage;
 /**
  * PHP specific text editor.
  */
-public class PHPEditor extends TextEditor  {
+public class PHPEditor extends TextEditor {
+// extends StatusTextEditor implements IViewPartInputProvider  { // extends TextEditor {
 
-  protected PHPActionGroup actionGroup;
+  // protected PHPActionGroup fActionGroups;
   /** The outline page */
   private PHPContentOutlinePage fOutlinePage;
   private IPreferenceStore phpPrefStore;
 
+  /** The editor's bracket matcher */
+  private PHPPairMatcher fBracketMatcher;
   /** The line number ruler column */
   private LineNumberRulerColumn fLineNumberRulerColumn;
 
+  protected CompositeActionGroup fActionGroups;
+  /** The standard action groups added to the menu */
+  private GenerateActionGroup fGenerateActionGroup;
+  private CompositeActionGroup fContextMenuGroup;
   /**
    * Default constructor.
    */
   public PHPEditor() {
     super();
+    setEditorContextMenuId("#PHPEditorContext"); //$NON-NLS-1$
+    setRulerContextMenuId("#PHPRulerContext"); //$NON-NLS-1$
+  }
+  //
+  //   /**
+  //    * @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();
+  //   }
+
+  /**
+   * 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();
+  }
+
+  /**
+   *  Returns the standard action group of this editor.
+   */
+  protected ActionGroup getActionGroup() {
+    return fActionGroups;
   }
 
   public PHPContentOutlinePage getfOutlinePage() {
@@ -72,13 +127,20 @@ public class PHPEditor extends TextEditor  {
    */
   protected void createActions() {
     super.createActions();
-    setAction(
-      "ContentAssistProposal",
-      new TextOperationAction(
-        PHPEditorMessages.getResourceBundle(),
-        "ContentAssistProposal.",
-        this,
-        ISourceViewer.CONTENTASSIST_PROPOSALS));
+
+    Action action;
+    //    setAction(
+    //      "ContentAssistProposal",
+    //      new TextOperationAction(
+    //        PHPEditorMessages.getResourceBundle(),
+    //        "ContentAssistProposal.",
+    //        this,
+    //        ISourceViewer.CONTENTASSIST_PROPOSALS));
+    action = new ContentAssistAction(PHPEditorMessages.getResourceBundle(), "ContentAssistProposal.", this); //$NON-NLS-1$
+    action.setActionDefinitionId(
+      PHPEditorActionDefinitionIds.CONTENT_ASSIST_PROPOSALS);
+    setAction("ContentAssistProposal", action); //$NON-NLS-1$
+
     setAction(
       "ContentAssistTip",
       new TextOperationAction(
@@ -87,19 +149,49 @@ public class PHPEditor extends TextEditor  {
         this,
         ISourceViewer.CONTENTASSIST_CONTEXT_INFORMATION));
 
-    Action action = new TextOperationAction(PHPEditorMessages.getResourceBundle(), "Comment.", this, ITextOperationTarget.PREFIX);
+    action =
+      new TextOperationAction(
+        PHPEditorMessages.getResourceBundle(),
+        "Comment.",
+        this,
+        ITextOperationTarget.PREFIX);
     action.setActionDefinitionId(PHPEditorActionDefinitionIds.COMMENT);
     setAction("Comment", action);
 
-    action = new TextOperationAction(PHPEditorMessages.getResourceBundle(), "Uncomment.", this, ITextOperationTarget.STRIP_PREFIX);
+    action =
+      new TextOperationAction(
+        PHPEditorMessages.getResourceBundle(),
+        "Uncomment.",
+        this,
+        ITextOperationTarget.STRIP_PREFIX);
     action.setActionDefinitionId(PHPEditorActionDefinitionIds.UNCOMMENT);
     setAction("Uncomment", action);
 
-    actionGroup = 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("ContentAssistProposal", true); //$NON-NLS-1$
     markAsStateDependentAction("Comment", true); //$NON-NLS-1$
     markAsStateDependentAction("Uncomment", true); //$NON-NLS-1$
-    
+    markAsStateDependentAction("Format", 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);
+
+    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)});
   }
 
   /** The <code>PHPEditor</code> implementation of this 
@@ -110,6 +202,10 @@ public class PHPEditor extends TextEditor  {
     PHPEditorEnvironment.disconnect(this);
     if (fOutlinePage != null)
       fOutlinePage.setInput(null);
+
+    if (fActionGroups != null)
+      fActionGroups.dispose();
+
     super.dispose();
   }
 
@@ -160,15 +256,32 @@ public class PHPEditor extends TextEditor  {
       fOutlinePage.setInput(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 
    * PHPEditor specific entries.
    */
   public void editorContextMenuAboutToShow(MenuManager menu) {
     super.editorContextMenuAboutToShow(menu);
-    //  addAction(menu, "ContentAssistProposal"); //$NON-NLS-1$
-    //  addAction(menu, "ContentAssistTip"); //$NON-NLS-1$
-    actionGroup.fillContextMenu(menu);
+
+    addAction(menu, ITextEditorActionConstants.GROUP_EDIT, "Format"); //$NON-NLS-1$
+
+    ActionContext context =
+      new ActionContext(getSelectionProvider().getSelection());
+    fContextMenuGroup.setContext(context);
+    fContextMenuGroup.fillContextMenu(menu);
+    fContextMenuGroup.setContext(null);
+  }
+
+  protected void updateStateDependentActions() {
+    super.updateStateDependentActions();
+    fGenerateActionGroup.editorStateChanged();
   }
 
   /** The <code>PHPEditor</code> implementation of this 
@@ -188,38 +301,38 @@ public class PHPEditor extends TextEditor  {
     return super.getAdapter(required);
   }
 
-//  public void openContextHelp() {
-//    IDocument doc = this.getDocumentProvider().getDocument(this.getEditorInput());
-//    ITextSelection selection = (ITextSelection) this.getSelectionProvider().getSelection();
-//    int pos = selection.getOffset();
-//    String word = getFunctionName(doc, pos);
-//    openContextHelp(word);
-//  }
-//
-//  private void openContextHelp(String word) {
-//    open(word);
-//  }
-//
-//  public static void open(String word) {
-//    IHelp help = WorkbenchHelp.getHelpSupport();
-//    if (help != null) {
-//      IHelpResource helpResource = new PHPFunctionHelpResource(word);
-//      WorkbenchHelp.getHelpSupport().displayHelpResource(helpResource);
-//    } else {
-//      //   showMessage(shell, dialogTitle, ActionMessages.getString("Open help not available"), false); //$NON-NLS-1$
-//    }
-//  }
-
-  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 "";
-  }
+  //  public void openContextHelp() {
+  //    IDocument doc = this.getDocumentProvider().getDocument(this.getEditorInput());
+  //    ITextSelection selection = (ITextSelection) this.getSelectionProvider().getSelection();
+  //    int pos = selection.getOffset();
+  //    String word = getFunctionName(doc, pos);
+  //    openContextHelp(word);
+  //  }
+  //
+  //  private void openContextHelp(String word) {
+  //    open(word);
+  //  }
+  //
+  //  public static void open(String word) {
+  //    IHelp help = WorkbenchHelp.getHelpSupport();
+  //    if (help != null) {
+  //      IHelpResource helpResource = new PHPFunctionHelpResource(word);
+  //      WorkbenchHelp.getHelpSupport().displayHelpResource(helpResource);
+  //    } else {
+  //      //   showMessage(shell, dialogTitle, ActionMessages.getString("Open help not available"), false); //$NON-NLS-1$
+  //    }
+  //  }
+
+  //   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)
@@ -291,7 +404,10 @@ public class PHPEditor extends TextEditor  {
     IVerticalRuler v = getVerticalRuler();
     if (v instanceof CompositeRuler) {
       CompositeRuler c = (CompositeRuler) v;
-      c.removeDecorator(1);
+      try {
+        c.removeDecorator(1);
+      } catch (Throwable e) {
+      }
     }
   }
 
@@ -309,20 +425,36 @@ public class PHPEditor extends TextEditor  {
       // foreground color
       if (phpPrefStore.contains(IPreferenceConstants.LINE_NUMBER_COLOR)) {
         if (phpPrefStore.isDefault(IPreferenceConstants.LINE_NUMBER_COLOR))
-          rgb = PreferenceConverter.getDefaultColor(phpPrefStore, IPreferenceConstants.LINE_NUMBER_COLOR);
+          rgb =
+            PreferenceConverter.getDefaultColor(
+              phpPrefStore,
+              IPreferenceConstants.LINE_NUMBER_COLOR);
         else
-          rgb = PreferenceConverter.getColor(phpPrefStore, IPreferenceConstants.LINE_NUMBER_COLOR);
+          rgb =
+            PreferenceConverter.getColor(
+              phpPrefStore,
+              IPreferenceConstants.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 (!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);
           else
-            rgb = PreferenceConverter.getColor(phpPrefStore, IPreferenceConstants.PREFERENCE_COLOR_BACKGROUND);
+            rgb =
+              PreferenceConverter.getColor(
+                phpPrefStore,
+                IPreferenceConstants.PREFERENCE_COLOR_BACKGROUND);
         }
         rulerColumn.setBackground(manager.getColor(rgb));
       }
@@ -351,12 +483,12 @@ public class PHPEditor extends TextEditor  {
   }
 
   /* (non-Javadoc)
-   * Method declared on AbstractTextEditor
+   * Method declared on TextEditor
    */
   protected void initializeEditor() {
     PHPEditorEnvironment.connect(this);
 
-    setSourceViewerConfiguration(new PHPSourceViewerConfiguration());
+    setSourceViewerConfiguration(new PHPSourceViewerConfiguration(this));
     setRangeIndicator(new DefaultRangeIndicator());
     setEditorContextMenuId("#PHPEditorContext"); //$NON-NLS-1$
     setRulerContextMenuId("#PHPRulerContext"); //$NON-NLS-1$
@@ -384,4 +516,126 @@ public class PHPEditor extends TextEditor  {
       }
     });
   }
+  
+  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);
+  }
+
+  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;
+    }
+  }
+  /**
+    * 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)
+      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);
+  }
 }