net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/actions/PHPOpenDeclarationEditorAction.java

   1 /***********************************************************************************************************************************
   2  * Copyright (c) 2000, 2002 IBM Corp. and others. All rights reserved. This program and the accompanying materials are made
   3  * available under the terms of the Common Public License v1.0 which accompanies this distribution, and is available at
   4  * http://www.eclipse.org/legal/cpl-v10.html
   5  *
   6  * Contributors: www.phpeclipse.de
   7  **********************************************************************************************************************************/
   8 package net.sourceforge.phpeclipse.actions;
   9
  10 import net.sourceforge.phpeclipse.phpeditor.PHPEditor;
  11
  12 import org.eclipse.jface.action.IAction;
  13 import org.eclipse.jface.text.ITextSelection;
  14 import org.eclipse.jface.text.TextSelection;
  15 import org.eclipse.jface.viewers.ISelection;
  16 import org.eclipse.jface.viewers.IStructuredSelection;
  17 import org.eclipse.ui.IEditorActionDelegate;
  18 import org.eclipse.ui.IEditorPart;
  19 import org.eclipse.ui.IWorkbenchWindow;
  20 import org.eclipse.ui.actions.ActionDelegate;
  21
  22 public class PHPOpenDeclarationEditorAction extends ActionDelegate implements IEditorActionDelegate {
  23   private IWorkbenchWindow fWindow;
  24
  25   private PHPEditor fEditor;
  26
  27   public void init(IWorkbenchWindow window) {
  28     this.fWindow = window;
  29   }
  30
  31   public void selectionChanged(IAction action, ISelection selection) {
  32     if (!selection.isEmpty()) {
  33       if (selection instanceof TextSelection) {
  34         action.setEnabled(true);
  35       } else if (fWindow.getActivePage() != null && fWindow.getActivePage().getActivePart() != null) {
  36         //
  37       }
  38     }
  39   }
  40
  41   private boolean checkEnabled(IStructuredSelection selection) {
  42     if (selection.isEmpty())
  43       return false;
  44     return true;
  45   }
  46
  47   public void run(IAction action) {
  48     if (fEditor == null) {
  49       IEditorPart targetEditor = fWindow.getActivePage().getActiveEditor();
  50       if (targetEditor != null && (targetEditor instanceof PHPEditor)) {
  51         fEditor = (PHPEditor) targetEditor;
  52       }
  53     }
  54     if (fEditor != null) {
  55       ITextSelection selection = (ITextSelection) fEditor.getSelectionProvider().getSelection();
  56       OpenDeclarationEditorAction openAction = new OpenDeclarationEditorAction(fEditor);
  57       openAction.openSelectedElement(selection);
  58     }
  59   }
  60
  61   public void setActiveEditor(IAction action, IEditorPart targetEditor) {
  62     if (targetEditor != null && (targetEditor instanceof PHPEditor)) {
  63       fEditor = (PHPEditor) targetEditor;
  64     }
  65   }
  66
  67 }