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   1 /**********************************************************************
   2 Copyright (c) 2000, 2002 IBM Corp. and others.
   3 All rights reserved. This program and the accompanying materials
   4 are made available under the terms of the Common Public License v1.0
   5 which accompanies this distribution, and is available at
   6 http://www.eclipse.org/legal/cpl-v10.html
   7
   8 Contributors:
   9     Klaus Hartlage - www.eclipseproject.de
  10 **********************************************************************/
  11 package net.sourceforge.phpeclipse.actions;
  12
  13 import java.util.List;
  14
  15 import net.sourceforge.phpeclipse.PHPeclipsePlugin;
  16 import net.sourceforge.phpeclipse.builder.IdentifierIndexManager;
  17 import net.sourceforge.phpeclipse.builder.PHPIdentifierLocation;
  18 import net.sourceforge.phpeclipse.phpeditor.PHPEditor;
  19 import net.sourceforge.phpeclipse.phpeditor.php.PHPWordExtractor;
  20
  21 import org.eclipse.core.resources.IFile;
  22 import org.eclipse.core.resources.IProject;
  23 import org.eclipse.core.runtime.CoreException;
  24 import org.eclipse.jface.action.IAction;
  25 import org.eclipse.jface.text.BadLocationException;
  26 import org.eclipse.jface.text.IDocument;
  27 import org.eclipse.jface.text.ITextSelection;
  28 import org.eclipse.jface.text.TextSelection;
  29 import org.eclipse.jface.viewers.ISelection;
  30 import org.eclipse.jface.viewers.LabelProvider;
  31 import org.eclipse.jface.window.Window;
  32 import org.eclipse.swt.graphics.Point;
  33 import org.eclipse.ui.IEditorActionDelegate;
  34 import org.eclipse.ui.IEditorPart;
  35 import org.eclipse.ui.IFileEditorInput;
  36 import org.eclipse.ui.IWorkbenchWindow;
  37 import org.eclipse.ui.actions.ActionDelegate;
  38 import org.eclipse.ui.dialogs.ListSelectionDialog;
  39 import org.eclipse.ui.internal.dialogs.ListContentProvider;
  40
  41 public class PHPOpenDeclarationEditorActon extends ActionDelegate implements IEditorActionDelegate {
  42
  43   private IWorkbenchWindow fWindow;
  44   private PHPEditor fEditor;
  45   private IProject fProject;
  46
  47   public void dispose() {
  48   }
  49
  50   public void init(IWorkbenchWindow window) {
  51     this.fWindow = window;
  52   }
  53
  54   public void selectionChanged(IAction action, ISelection selection) {
  55     if (!selection.isEmpty()) {
  56       if (selection instanceof TextSelection) {
  57         action.setEnabled(true);
  58       } else if (fWindow.getActivePage() != null && fWindow.getActivePage().getActivePart() != null) {
  59         //
  60       }
  61     }
  62   }
  63
  64   public void run(IAction action) {
  65     if (fEditor == null) {
  66       IEditorPart targetEditor = fWindow.getActivePage().getActiveEditor();
  67       if (targetEditor != null && (targetEditor instanceof PHPEditor)) {
  68         fEditor = (PHPEditor) targetEditor;
  69       }
  70     }
  71     if (fEditor != null) {
  72       // determine the current Project from a (file-based) Editor
  73       IFile f = ((IFileEditorInput) fEditor.getEditorInput()).getFile();
  74       fProject = f.getProject();
  75       //      System.out.println(fProject.toString());
  76
  77       ITextSelection selection = (ITextSelection) fEditor.getSelectionProvider().getSelection();
  78       IDocument doc = fEditor.getDocumentProvider().getDocument(fEditor.getEditorInput());
  79       int pos = selection.getOffset();
  80       String word = getPHPIdentifier(doc, pos);
  81       //      System.out.println(word);
  82       if (word != null && !word.equals("")) {
  83         IdentifierIndexManager indexManager = PHPeclipsePlugin.getDefault().getIndexManager(fProject);
  84         List list = indexManager.getLocations(word);
  85         if (list != null && list.size() > 0) {
  86           String workspaceLocation = PHPeclipsePlugin.getWorkspace().getRoot().getLocation().toString();
  87           // TODO show all entries of the list in a dialog box
  88           // at the moment always the first entry will be opened
  89           if (list.size() > 1) {
  90             ListSelectionDialog listSelectionDialog =
  91               new ListSelectionDialog(
  92                 PHPeclipsePlugin.getDefault().getWorkbench().getActiveWorkbenchWindow().getShell(),
  93                 list,
  94                 new ListContentProvider(),
  95                 new LabelProvider(),
  96                 "Select the resources to open.");
  97             listSelectionDialog.setTitle("Multiple declarations found");
  98             if (listSelectionDialog.open() == Window.OK) {
  99               Object[] locations = listSelectionDialog.getResult();
 100               if (locations != null) {
 101                 try {
 102                   for (int i = 0; i < locations.length; i++) {
 103                     PHPIdentifierLocation location = (PHPIdentifierLocation) locations[i];
 104                     String filename = workspaceLocation + location.getFilename();
 105                     //                                  System.out.println(filename);
 106                     if (location.getOffset() >= 0) {
 107                       PHPeclipsePlugin.getDefault().openFileAndGotoOffset(filename, location.getOffset(), word.length());
 108                     } else {
 109                       PHPeclipsePlugin.getDefault().openFileAndFindString(filename, word);
 110                     }
 111                   }
 112                 } catch (CoreException e) {
 113                   // TODO Auto-generated catch block
 114                   e.printStackTrace();
 115                 }
 116               }
 117             }
 118           } else {
 119             try {
 120               PHPIdentifierLocation location = (PHPIdentifierLocation) list.get(0);
 121               String filename = workspaceLocation + location.getFilename();
 122               //                                        System.out.println(filename);
 123               if (location.getOffset() >= 0) {
 124                 PHPeclipsePlugin.getDefault().openFileAndGotoOffset(filename, location.getOffset(), word.length());
 125               } else {
 126                 PHPeclipsePlugin.getDefault().openFileAndFindString(filename, word);
 127               }
 128             } catch (CoreException e) {
 129               // TODO Auto-generated catch block
 130               e.printStackTrace();
 131             }
 132           }
 133         }
 134       }
 135     }
 136   }
 137
 138   public void setActiveEditor(IAction action, IEditorPart targetEditor) {
 139     if (targetEditor != null && (targetEditor instanceof PHPEditor)) {
 140       fEditor = (PHPEditor) targetEditor;
 141     }
 142   }
 143
 144   private String getPHPIdentifier(IDocument doc, int pos) {
 145     Point word = PHPWordExtractor.findWord(doc, pos);
 146     if (word != null) {
 147       try {
 148         return doc.get(word.x, word.y);
 149       } catch (BadLocationException e) {
 150       }
 151     }
 152     return "";
 153   }
 154 }