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.io.File;
  12 import java.util.Collections;
  13 import java.util.List;
  14 import java.util.Set;
  15
  16 import net.sourceforge.phpeclipse.PHPeclipsePlugin;
  17 import net.sourceforge.phpeclipse.builder.IdentifierIndexManager;
  18 import net.sourceforge.phpeclipse.builder.PHPIdentifierLocation;
  19 import net.sourceforge.phpeclipse.phpeditor.PHPEditor;
  20 import net.sourceforge.phpeclipse.phpeditor.php.PHPWordExtractor;
  21
  22 import org.eclipse.core.resources.IFile;
  23 import org.eclipse.core.resources.IProject;
  24 import org.eclipse.core.runtime.CoreException;
  25 import org.eclipse.jface.action.IAction;
  26 import org.eclipse.jface.text.BadLocationException;
  27 import org.eclipse.jface.text.IDocument;
  28 import org.eclipse.jface.text.ITextSelection;
  29 import org.eclipse.jface.text.TextSelection;
  30 import org.eclipse.jface.viewers.ISelection;
  31 import org.eclipse.jface.viewers.LabelProvider;
  32 import org.eclipse.jface.window.Window;
  33 import org.eclipse.swt.graphics.Point;
  34 import org.eclipse.ui.IEditorActionDelegate;
  35 import org.eclipse.ui.IEditorPart;
  36 import org.eclipse.ui.IFileEditorInput;
  37 import org.eclipse.ui.IWorkbenchWindow;
  38 import org.eclipse.ui.actions.ActionDelegate;
  39 import org.eclipse.ui.dialogs.ListSelectionDialog;
  40 import org.eclipse.ui.internal.dialogs.ListContentProvider;
  41
  42 public class PHPOpenDeclarationEditorAction extends ActionDelegate implements
  43     IEditorActionDelegate {
  44
  45 //  class Include implements Comparable {
  46 //    final public static int UNDEFINED_MATCH = 0;
  47 //    final public static int PATTERN_MATCH = 1;
  48 //    final public static int EXACT_MATCH = 2;
  49 //
  50 //    String fName;
  51 //
  52 //    int fMatch;
  53 //
  54 //    public Include(String name, int match) {
  55 //      fName = name;
  56 //      fMatch = match;
  57 //    }
  58 //
  59 //    /*
  60 //     * (non-Javadoc)
  61 //     *
  62 //     * @see java.lang.Object#toString()
  63 //     */
  64 //    public String toString() {
  65 //      switch (fMatch) {
  66 //      case UNDEFINED_MATCH:
  67 //        return fName;
  68 //      case PATTERN_MATCH:
  69 //        return "[pattern included] " + fName;
  70 //      case EXACT_MATCH:
  71 //        return "[included] " + fName;
  72 //      }
  73 //      return fName;
  74 //    }
  75 //
  76 //    /**
  77 //     * @return Returns the name.
  78 //     */
  79 //    public String getName() {
  80 //      return fName;
  81 //    }
  82 //    /* (non-Javadoc)
  83 //     * @see java.lang.Comparable#compareTo(java.lang.Object)
  84 //     */
  85 //    public int compareTo(Object o) {
  86 //      Include i = (Include)o;
  87 //      if (fMatch>i.fMatch) {
  88 //        return 1;
  89 //      } else if (fMatch<i.fMatch) {
  90 //        return -1;
  91 //      }
  92 //      return fName.compareTo(i.fName);
  93 //    }
  94 //  }
  95
  96   private IWorkbenchWindow fWindow;
  97
  98   private PHPEditor fEditor;
  99
 100   private IProject fProject;
 101
 102   public void dispose() {
 103   }
 104
 105   public void init(IWorkbenchWindow window) {
 106     this.fWindow = window;
 107   }
 108
 109   public void selectionChanged(IAction action, ISelection selection) {
 110     if (!selection.isEmpty()) {
 111       if (selection instanceof TextSelection) {
 112         action.setEnabled(true);
 113       } else if (fWindow.getActivePage() != null
 114           && fWindow.getActivePage().getActivePart() != null) {
 115         //
 116       }
 117     }
 118   }
 119
 120   public void run(IAction action) {
 121     if (fEditor == null) {
 122       IEditorPart targetEditor = fWindow.getActivePage().getActiveEditor();
 123       if (targetEditor != null && (targetEditor instanceof PHPEditor)) {
 124         fEditor = (PHPEditor) targetEditor;
 125       }
 126     }
 127     if (fEditor != null) {
 128       // determine the current Project from a (file-based) Editor
 129       IFile f = ((IFileEditorInput) fEditor.getEditorInput()).getFile();
 130       fProject = f.getProject();
 131       //      System.out.println(fProject.toString());
 132
 133       ITextSelection selection = (ITextSelection) fEditor
 134           .getSelectionProvider().getSelection();
 135       IDocument doc = fEditor.getDocumentProvider().getDocument(
 136           fEditor.getEditorInput());
 137       int pos = selection.getOffset();
 138       //  System.out.println(selection.getText());
 139       String word = getPHPIdentifier(doc, pos);
 140       //      System.out.println(word);
 141       if (word != null && !word.equals("")) {
 142         IdentifierIndexManager indexManager = PHPeclipsePlugin.getDefault()
 143             .getIndexManager(fProject);
 144         List locationsList = indexManager.getLocations(word);
 145         if (locationsList != null && locationsList.size() > 0) {
 146
 147 //          String workspaceLocation = PHPeclipsePlugin.getWorkspace().getRoot()
 148 //              .getLocation().toString();
 149
 150           String workspaceLocation = fProject.getLocation().toString()+File.separatorChar;
 151           // TODO show all entries of the list in a dialog box
 152           // at the moment always the first entry will be opened
 153           if (locationsList.size() > 1) {
 154             // determine all includes:
 155             IncludesScanner includesScanner = new IncludesScanner(fProject,
 156                 (IFileEditorInput) fEditor.getEditorInput());
 157             includesScanner.addFile(f);
 158             Set exactIncludeSet = includesScanner.getSet();
 159
 160             PHPIdentifierLocation includeName;
 161             for (int i = 0; i < locationsList.size(); i++) {
 162               includeName = (PHPIdentifierLocation) locationsList.get(i);
 163               if (exactIncludeSet.contains(includeName.getFilename())) {
 164                 includeName.setMatch(PHPIdentifierLocation.EXACT_MATCH);
 165               } else {
 166                 includeName.setMatch(PHPIdentifierLocation.UNDEFINED_MATCH);
 167               }
 168             }
 169             Collections.sort(locationsList);
 170
 171             ListSelectionDialog listSelectionDialog = new ListSelectionDialog(
 172                 PHPeclipsePlugin.getDefault().getWorkbench()
 173                     .getActiveWorkbenchWindow().getShell(), locationsList,
 174                 new ListContentProvider(), new LabelProvider(),
 175                 "Select the resources to open.");
 176             listSelectionDialog.setTitle("Multiple declarations found");
 177             if (listSelectionDialog.open() == Window.OK) {
 178               Object[] locations = listSelectionDialog.getResult();
 179               if (locations != null) {
 180                 try {
 181                   for (int i = 0; i < locations.length; i++) {
 182                     PHPIdentifierLocation location = (PHPIdentifierLocation) locations[i];
 183                     String filename = workspaceLocation
 184                         + location.getFilename();
 185                     //                                  System.out.println(filename);
 186                     if (location.getOffset() >= 0) {
 187                       PHPeclipsePlugin.getDefault().openFileAndGotoOffset(
 188                           filename, location.getOffset(), word.length());
 189                     } else {
 190                       PHPeclipsePlugin.getDefault().openFileAndFindString(
 191                           filename, word);
 192                     }
 193                   }
 194                 } catch (CoreException e) {
 195                   // TODO Auto-generated catch block
 196                   e.printStackTrace();
 197                 }
 198               }
 199             }
 200           } else {
 201             try {
 202               PHPIdentifierLocation location = (PHPIdentifierLocation) locationsList
 203                   .get(0);
 204               String filename = workspaceLocation + location.getFilename();
 205               //                                        System.out.println(filename);
 206               if (location.getOffset() >= 0) {
 207                 PHPeclipsePlugin.getDefault().openFileAndGotoOffset(filename,
 208                     location.getOffset(), word.length());
 209               } else {
 210                 PHPeclipsePlugin.getDefault().openFileAndFindString(filename,
 211                     word);
 212               }
 213             } catch (CoreException e) {
 214               // TODO Auto-generated catch block
 215               e.printStackTrace();
 216             }
 217           }
 218         }
 219       }
 220     }
 221   }
 222
 223   public void setActiveEditor(IAction action, IEditorPart targetEditor) {
 224     if (targetEditor != null && (targetEditor instanceof PHPEditor)) {
 225       fEditor = (PHPEditor) targetEditor;
 226     }
 227   }
 228
 229   private String getPHPIdentifier(IDocument doc, int pos) {
 230     Point word = PHPWordExtractor.findWord(doc, pos);
 231     if (word != null) {
 232       try {
 233         return doc.get(word.x, word.y);
 234       } catch (BadLocationException e) {
 235       }
 236     }
 237     return "";
 238   }
 239 }