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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     //  System.out.println(selection.getText());
  81       String word = getPHPIdentifier(doc, pos);
  82       //      System.out.println(word);
  83       if (word != null && !word.equals("")) {
  84         IdentifierIndexManager indexManager = PHPeclipsePlugin.getDefault().getIndexManager(fProject);
  85         List list = indexManager.getLocations(word);
  86         if (list != null && list.size() > 0) {
  87           String workspaceLocation = PHPeclipsePlugin.getWorkspace().getRoot().getLocation().toString();
  88           // TODO show all entries of the list in a dialog box
  89           // at the moment always the first entry will be opened
  90           if (list.size() > 1) {
  91             ListSelectionDialog listSelectionDialog =
  92               new ListSelectionDialog(
  93                 PHPeclipsePlugin.getDefault().getWorkbench().getActiveWorkbenchWindow().getShell(),
  94                 list,
  95                 new ListContentProvider(),
  96                 new LabelProvider(),
  97                 "Select the resources to open.");
  98             listSelectionDialog.setTitle("Multiple declarations found");
  99             if (listSelectionDialog.open() == Window.OK) {
 100               Object[] locations = listSelectionDialog.getResult();
 101               if (locations != null) {
 102                 try {
 103                   for (int i = 0; i < locations.length; i++) {
 104                     PHPIdentifierLocation location = (PHPIdentifierLocation) locations[i];
 105                     String filename = workspaceLocation + location.getFilename();
 106                     //                                  System.out.println(filename);
 107                     if (location.getOffset() >= 0) {
 108                       PHPeclipsePlugin.getDefault().openFileAndGotoOffset(filename, location.getOffset(), word.length());
 109                     } else {
 110                       PHPeclipsePlugin.getDefault().openFileAndFindString(filename, word);
 111                     }
 112                   }
 113                 } catch (CoreException e) {
 114                   // TODO Auto-generated catch block
 115                   e.printStackTrace();
 116                 }
 117               }
 118             }
 119           } else {
 120             try {
 121               PHPIdentifierLocation location = (PHPIdentifierLocation) list.get(0);
 122               String filename = workspaceLocation + location.getFilename();
 123               //                                        System.out.println(filename);
 124               if (location.getOffset() >= 0) {
 125                 PHPeclipsePlugin.getDefault().openFileAndGotoOffset(filename, location.getOffset(), word.length());
 126               } else {
 127                 PHPeclipsePlugin.getDefault().openFileAndFindString(filename, word);
 128               }
 129             } catch (CoreException e) {
 130               // TODO Auto-generated catch block
 131               e.printStackTrace();
 132             }
 133           }
 134         }
 135       }
 136     }
 137   }
 138
 139   public void setActiveEditor(IAction action, IEditorPart targetEditor) {
 140     if (targetEditor != null && (targetEditor instanceof PHPEditor)) {
 141       fEditor = (PHPEditor) targetEditor;
 142     }
 143   }
 144
 145   private String getPHPIdentifier(IDocument doc, int pos) {
 146     Point word = PHPWordExtractor.findWord(doc, pos);
 147     if (word != null) {
 148       try {
 149         return doc.get(word.x, word.y);
 150       } catch (BadLocationException e) {
 151       }
 152     }
 153     return "";
 154   }
 155 }