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   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
  23                 IEditorActionDelegate {
  24         private IWorkbenchWindow fWindow;
  25
  26         private PHPEditor fEditor;
  27
  28         public void init(IWorkbenchWindow window) {
  29                 this.fWindow = window;
  30         }
  31
  32         public void selectionChanged(IAction action, ISelection selection) {
  33                 if (!selection.isEmpty()) {
  34                         if (selection instanceof TextSelection) {
  35                                 action.setEnabled(true);
  36                         } else if (fWindow.getActivePage() != null
  37                                         && fWindow.getActivePage().getActivePart() != null) {
  38                                 //
  39                         }
  40                 }
  41         }
  42
  43         private boolean checkEnabled(IStructuredSelection selection) {
  44                 if (selection.isEmpty())
  45                         return false;
  46                 return true;
  47         }
  48
  49         public void run(IAction action) {
  50                 if (fEditor == null) {
  51                         IEditorPart targetEditor = fWindow.getActivePage()
  52                                         .getActiveEditor();
  53                         if (targetEditor != null && (targetEditor instanceof PHPEditor)) {
  54                                 fEditor = (PHPEditor) targetEditor;
  55                         }
  56                 }
  57                 if (fEditor != null) {
  58                         ITextSelection selection = (ITextSelection) fEditor
  59                                         .getSelectionProvider().getSelection();
  60                         OpenDeclarationEditorAction openAction = new OpenDeclarationEditorAction(
  61                                         fEditor);
  62                         openAction.openSelectedElement(selection);
  63                 }
  64         }
  65
  66         public void setActiveEditor(IAction action, IEditorPart targetEditor) {
  67                 if (targetEditor != null && (targetEditor instanceof PHPEditor)) {
  68                         fEditor = (PHPEditor) targetEditor;
  69                 }
  70         }
  71
  72 }