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

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2002 IBM Corp. and others. All rights reserved. This
   3  * program and the accompanying materials are made available under the terms of
   4  * the Common Public License v1.0 which accompanies this distribution, and is
   5  * available at http://www.eclipse.org/legal/cpl-v10.html
   6  *
   7  * Contributors: Klaus Hartlage - www.eclipseproject.de
   8  ******************************************************************************/
   9 package net.sourceforge.phpeclipse.actions;
  10
  11 import java.util.ArrayList;
  12 import java.util.Arrays;
  13 import java.util.Collections;
  14 import java.util.List;
  15 import java.util.Set;
  16
  17 import net.sourceforge.phpeclipse.PHPeclipsePlugin;
  18 import net.sourceforge.phpeclipse.builder.IdentifierIndexManager;
  19 import net.sourceforge.phpeclipse.builder.PHPIdentifierLocation;
  20 import net.sourceforge.phpeclipse.phpeditor.PHPEditor;
  21 import net.sourceforge.phpeclipse.phpeditor.php.PHPWordExtractor;
  22
  23 import org.eclipse.core.resources.IFile;
  24 import org.eclipse.core.resources.IProject;
  25 import org.eclipse.core.runtime.CoreException;
  26 import org.eclipse.jface.action.IAction;
  27 import org.eclipse.jface.text.BadLocationException;
  28 import org.eclipse.jface.text.IDocument;
  29 import org.eclipse.jface.text.ITextSelection;
  30 import org.eclipse.jface.text.TextSelection;
  31 import org.eclipse.jface.viewers.ISelection;
  32 import org.eclipse.jface.viewers.LabelProvider;
  33 import org.eclipse.jface.window.Window;
  34 import org.eclipse.swt.graphics.Point;
  35 import org.eclipse.ui.IEditorActionDelegate;
  36 import org.eclipse.ui.IEditorPart;
  37 import org.eclipse.ui.IFileEditorInput;
  38 import org.eclipse.ui.IWorkbenchWindow;
  39 import org.eclipse.ui.actions.ActionDelegate;
  40 import org.eclipse.ui.dialogs.ListSelectionDialog;
  41 import org.eclipse.ui.internal.dialogs.ListContentProvider;
  42
  43 public class PHPOpenDeclarationEditorAction extends ActionDelegate implements
  44     IEditorActionDelegate {
  45
  46 //  class Include implements Comparable {
  47 //    final public static int UNDEFINED_MATCH = 0;
  48 //    final public static int PATTERN_MATCH = 1;
  49 //    final public static int EXACT_MATCH = 2;
  50 //
  51 //    String fName;
  52 //
  53 //    int fMatch;
  54 //
  55 //    public Include(String name, int match) {
  56 //      fName = name;
  57 //      fMatch = match;
  58 //    }
  59 //
  60 //    /*
  61 //     * (non-Javadoc)
  62 //     *
  63 //     * @see java.lang.Object#toString()
  64 //     */
  65 //    public String toString() {
  66 //      switch (fMatch) {
  67 //      case UNDEFINED_MATCH:
  68 //        return fName;
  69 //      case PATTERN_MATCH:
  70 //        return "[pattern included] " + fName;
  71 //      case EXACT_MATCH:
  72 //        return "[included] " + fName;
  73 //      }
  74 //      return fName;
  75 //    }
  76 //
  77 //    /**
  78 //     * @return Returns the name.
  79 //     */
  80 //    public String getName() {
  81 //      return fName;
  82 //    }
  83 //    /* (non-Javadoc)
  84 //     * @see java.lang.Comparable#compareTo(java.lang.Object)
  85 //     */
  86 //    public int compareTo(Object o) {
  87 //      Include i = (Include)o;
  88 //      if (fMatch>i.fMatch) {
  89 //        return 1;
  90 //      } else if (fMatch<i.fMatch) {
  91 //        return -1;
  92 //      }
  93 //      return fName.compareTo(i.fName);
  94 //    }
  95 //  }
  96
  97   private IWorkbenchWindow fWindow;
  98
  99   private PHPEditor fEditor;
 100
 101   private IProject fProject;
 102
 103   public void dispose() {
 104   }
 105
 106   public void init(IWorkbenchWindow window) {
 107     this.fWindow = window;
 108   }
 109
 110   public void selectionChanged(IAction action, ISelection selection) {
 111     if (!selection.isEmpty()) {
 112       if (selection instanceof TextSelection) {
 113         action.setEnabled(true);
 114       } else if (fWindow.getActivePage() != null
 115           && fWindow.getActivePage().getActivePart() != null) {
 116         //
 117       }
 118     }
 119   }
 120
 121   public void run(IAction action) {
 122     if (fEditor == null) {
 123       IEditorPart targetEditor = fWindow.getActivePage().getActiveEditor();
 124       if (targetEditor != null && (targetEditor instanceof PHPEditor)) {
 125         fEditor = (PHPEditor) targetEditor;
 126       }
 127     }
 128     if (fEditor != null) {
 129       // determine the current Project from a (file-based) Editor
 130       IFile f = ((IFileEditorInput) fEditor.getEditorInput()).getFile();
 131       fProject = f.getProject();
 132       //      System.out.println(fProject.toString());
 133
 134       ITextSelection selection = (ITextSelection) fEditor
 135           .getSelectionProvider().getSelection();
 136       IDocument doc = fEditor.getDocumentProvider().getDocument(
 137           fEditor.getEditorInput());
 138       int pos = selection.getOffset();
 139       //  System.out.println(selection.getText());
 140       String word = getPHPIdentifier(doc, pos);
 141       //      System.out.println(word);
 142       if (word != null && !word.equals("")) {
 143         IdentifierIndexManager indexManager = PHPeclipsePlugin.getDefault()
 144             .getIndexManager(fProject);
 145         List locationsList = indexManager.getLocations(word);
 146         if (locationsList != null && locationsList.size() > 0) {
 147
 148           String workspaceLocation = PHPeclipsePlugin.getWorkspace().getRoot()
 149               .getLocation().toString();
 150           // TODO show all entries of the list in a dialog box
 151           // at the moment always the first entry will be opened
 152           if (locationsList.size() > 1) {
 153             // determine all includes:
 154             IncludesScanner includesScanner = new IncludesScanner(fProject,
 155                 (IFileEditorInput) fEditor.getEditorInput());
 156             includesScanner.addFile(f);
 157             Set exactIncludeSet = includesScanner.getSet();
 158
 159             PHPIdentifierLocation includeName;
 160             for (int i = 0; i < locationsList.size(); i++) {
 161               includeName = (PHPIdentifierLocation) locationsList.get(i);
 162               if (exactIncludeSet.contains(includeName.getFilename())) {
 163                 includeName.setMatch(PHPIdentifierLocation.EXACT_MATCH);
 164               } else {
 165                 includeName.setMatch(PHPIdentifierLocation.UNDEFINED_MATCH);
 166               }
 167             }
 168             Collections.sort(locationsList);
 169
 170             ListSelectionDialog listSelectionDialog = new ListSelectionDialog(
 171                 PHPeclipsePlugin.getDefault().getWorkbench()
 172                     .getActiveWorkbenchWindow().getShell(), locationsList,
 173                 new ListContentProvider(), new LabelProvider(),
 174                 "Select the resources to open.");
 175             listSelectionDialog.setTitle("Multiple declarations found");
 176             if (listSelectionDialog.open() == Window.OK) {
 177               Object[] locations = listSelectionDialog.getResult();
 178               if (locations != null) {
 179                 try {
 180                   for (int i = 0; i < locations.length; i++) {
 181                     PHPIdentifierLocation location = (PHPIdentifierLocation) locations[i];
 182                     String filename = workspaceLocation
 183                         + location.getFilename();
 184                     //                                  System.out.println(filename);
 185                     if (location.getOffset() >= 0) {
 186                       PHPeclipsePlugin.getDefault().openFileAndGotoOffset(
 187                           filename, location.getOffset(), word.length());
 188                     } else {
 189                       PHPeclipsePlugin.getDefault().openFileAndFindString(
 190                           filename, word);
 191                     }
 192                   }
 193                 } catch (CoreException e) {
 194                   // TODO Auto-generated catch block
 195                   e.printStackTrace();
 196                 }
 197               }
 198             }
 199           } else {
 200             try {
 201               PHPIdentifierLocation location = (PHPIdentifierLocation) locationsList
 202                   .get(0);
 203               String filename = workspaceLocation + location.getFilename();
 204               //                                        System.out.println(filename);
 205               if (location.getOffset() >= 0) {
 206                 PHPeclipsePlugin.getDefault().openFileAndGotoOffset(filename,
 207                     location.getOffset(), word.length());
 208               } else {
 209                 PHPeclipsePlugin.getDefault().openFileAndFindString(filename,
 210                     word);
 211               }
 212             } catch (CoreException e) {
 213               // TODO Auto-generated catch block
 214               e.printStackTrace();
 215             }
 216           }
 217         }
 218       }
 219     }
 220   }
 221
 222   public void setActiveEditor(IAction action, IEditorPart targetEditor) {
 223     if (targetEditor != null && (targetEditor instanceof PHPEditor)) {
 224       fEditor = (PHPEditor) targetEditor;
 225     }
 226   }
 227
 228   private String getPHPIdentifier(IDocument doc, int pos) {
 229     Point word = PHPWordExtractor.findWord(doc, pos);
 230     if (word != null) {
 231       try {
 232         return doc.get(word.x, word.y);
 233       } catch (BadLocationException e) {
 234       }
 235     }
 236     return "";
 237   }
 238 }