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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 java.io.File;
  11 import java.util.Collections;
  12 import java.util.List;
  13 import java.util.Set;
  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.IContainer;
  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.core.runtime.Path;
  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 IEditorActionDelegate {
  44
  45   private IWorkbenchWindow fWindow;
  46
  47   private PHPEditor fEditor;
  48
  49   private IProject fProject;
  50
  51   private boolean isIncludeString;
  52
  53   public void dispose() {
  54   }
  55
  56   public void init(IWorkbenchWindow window) {
  57     this.fWindow = window;
  58   }
  59
  60   public void selectionChanged(IAction action, ISelection selection) {
  61     if (!selection.isEmpty()) {
  62       if (selection instanceof TextSelection) {
  63         action.setEnabled(true);
  64       } else if (fWindow.getActivePage() != null && fWindow.getActivePage().getActivePart() != null) {
  65         //
  66       }
  67     }
  68   }
  69
  70   public void run(IAction action) {
  71     if (fEditor == null) {
  72       IEditorPart targetEditor = fWindow.getActivePage().getActiveEditor();
  73       if (targetEditor != null && (targetEditor instanceof PHPEditor)) {
  74         fEditor = (PHPEditor) targetEditor;
  75       }
  76     }
  77     if (fEditor != null) {
  78       // determine the current Project from a (file-based) Editor
  79       IFile f = ((IFileEditorInput) fEditor.getEditorInput()).getFile();
  80       fProject = f.getProject();
  81       //      System.out.println(fProject.toString());
  82
  83       ITextSelection selection = (ITextSelection) fEditor.getSelectionProvider().getSelection();
  84       IDocument doc = fEditor.getDocumentProvider().getDocument(fEditor.getEditorInput());
  85       int pos = selection.getOffset();
  86       //  System.out.println(selection.getText());
  87       String identifierOrInclude = getIdentifierOrInclude(doc, pos);
  88       //      System.out.println(word);
  89       if (identifierOrInclude != null && !identifierOrInclude.equals("")) {
  90         if (isIncludeString) {
  91           openIncludeFile(identifierOrInclude);
  92         } else {
  93           openIdentifierDeclaration(f, identifierOrInclude);
  94         }
  95       }
  96     }
  97   }
  98
  99   /**
 100    * @param filename
 101    */
 102   private void openIncludeFile(String filename) {
 103     if (filename != null && !filename.equals("")) {
 104       try {
 105         IFile file = getIncludeFile(fProject, (IFileEditorInput) fEditor.getEditorInput(), filename);
 106         if (file != null && file.exists()) {
 107           PHPeclipsePlugin.getDefault().openFileInTextEditor(file.getLocation().toString());
 108           return;
 109         }
 110       } catch (Exception e) {
 111         // ignore
 112       }
 113
 114       try {
 115
 116         IdentifierIndexManager indexManager = PHPeclipsePlugin.getDefault().getIndexManager(fProject);
 117         //            filename = StringUtil.replaceRegExChars(filename);
 118         List list = indexManager.getFileList(filename);
 119         if (list != null && list.size() > 0) {
 120           //String workspaceLocation = PHPeclipsePlugin.getWorkspace().getRoot().getLocation().toString();
 121           String workspaceLocation = fProject.getLocation().toString() + File.separatorChar;
 122
 123           ListSelectionDialog listSelectionDialog = new ListSelectionDialog(PHPeclipsePlugin.getDefault().getWorkbench()
 124               .getActiveWorkbenchWindow().getShell(), list, new ListContentProvider(), new LabelProvider(),
 125               "Select the includes to open.");
 126           listSelectionDialog.setTitle("Multiple includes found");
 127           if (listSelectionDialog.open() == Window.OK) {
 128             Object[] locations = listSelectionDialog.getResult();
 129             if (locations != null) {
 130               try {
 131                 for (int i = 0; i < locations.length; i++) {
 132                   //                    PHPIdentifierLocation location = (PHPIdentifierLocation)
 133                   // locations[i];
 134                   String openFilename = workspaceLocation + ((String) locations[i]);
 135                   PHPeclipsePlugin.getDefault().openFileInTextEditor(openFilename);
 136                 }
 137               } catch (CoreException e) {
 138                 // TODO Auto-generated catch block
 139                 e.printStackTrace();
 140               }
 141             }
 142           }
 143
 144         }
 145       } catch (Exception e) {
 146       }
 147
 148     }
 149     return;
 150   }
 151
 152   /**
 153    * @param f
 154    * @param identiifer
 155    */
 156   private void openIdentifierDeclaration(IFile f, String identiifer) {
 157     if (identiifer != null && !identiifer.equals("")) {
 158       IdentifierIndexManager indexManager = PHPeclipsePlugin.getDefault().getIndexManager(fProject);
 159       List locationsList = indexManager.getLocations(identiifer);
 160       if (locationsList != null && locationsList.size() > 0) {
 161
 162         //          String workspaceLocation = PHPeclipsePlugin.getWorkspace().getRoot()
 163         //              .getLocation().toString();
 164
 165         String workspaceLocation = fProject.getLocation().toString() + File.separatorChar;
 166         // TODO show all entries of the list in a dialog box
 167         // at the moment always the first entry will be opened
 168         if (locationsList.size() > 1) {
 169           // determine all includes:
 170           IncludesScanner includesScanner = new IncludesScanner(fProject, (IFileEditorInput) fEditor.getEditorInput());
 171           includesScanner.addFile(f);
 172           Set exactIncludeSet = includesScanner.getSet();
 173
 174           PHPIdentifierLocation includeName;
 175           for (int i = 0; i < locationsList.size(); i++) {
 176             includeName = (PHPIdentifierLocation) locationsList.get(i);
 177             if (exactIncludeSet.contains(includeName.getFilename())) {
 178               includeName.setMatch(PHPIdentifierLocation.EXACT_MATCH);
 179             } else {
 180               includeName.setMatch(PHPIdentifierLocation.UNDEFINED_MATCH);
 181             }
 182           }
 183           Collections.sort(locationsList);
 184
 185           ListSelectionDialog listSelectionDialog = new ListSelectionDialog(PHPeclipsePlugin.getDefault().getWorkbench()
 186               .getActiveWorkbenchWindow().getShell(), locationsList, new ListContentProvider(), new LabelProvider(),
 187               "Select the resources to open.");
 188           listSelectionDialog.setTitle("Multiple declarations found");
 189           if (listSelectionDialog.open() == Window.OK) {
 190             Object[] locations = listSelectionDialog.getResult();
 191             if (locations != null) {
 192               try {
 193                 for (int i = 0; i < locations.length; i++) {
 194                   PHPIdentifierLocation location = (PHPIdentifierLocation) locations[i];
 195                   String filename = workspaceLocation + location.getFilename();
 196                   //                                    System.out.println(filename);
 197                   if (location.getOffset() >= 0) {
 198                     PHPeclipsePlugin.getDefault().openFileAndGotoOffset(filename, location.getOffset(), identiifer.length());
 199                   } else {
 200                     PHPeclipsePlugin.getDefault().openFileAndFindString(filename, identiifer);
 201                   }
 202                 }
 203               } catch (CoreException e) {
 204                 // TODO Auto-generated catch block
 205                 e.printStackTrace();
 206               }
 207             }
 208           }
 209         } else {
 210           try {
 211             PHPIdentifierLocation location = (PHPIdentifierLocation) locationsList.get(0);
 212             String filename = workspaceLocation + location.getFilename();
 213             //                                  System.out.println(filename);
 214             if (location.getOffset() >= 0) {
 215               PHPeclipsePlugin.getDefault().openFileAndGotoOffset(filename, location.getOffset(), identiifer.length());
 216             } else {
 217               PHPeclipsePlugin.getDefault().openFileAndFindString(filename, identiifer);
 218             }
 219           } catch (CoreException e) {
 220             // TODO Auto-generated catch block
 221             e.printStackTrace();
 222           }
 223         }
 224       }
 225     }
 226   }
 227
 228   public void setActiveEditor(IAction action, IEditorPart targetEditor) {
 229     if (targetEditor != null && (targetEditor instanceof PHPEditor)) {
 230       fEditor = (PHPEditor) targetEditor;
 231     }
 232   }
 233
 234   private String getIdentifierOrInclude(IDocument doc, int pos) {
 235     //    private String getPHPIncludeText(IDocument doc, int pos) {
 236     Point word = null;
 237     int start = -1;
 238     int end = -1;
 239     isIncludeString = false;
 240     try {
 241       //    try to find an include string
 242       int position = pos;
 243       char character = ' ';
 244
 245       while (position >= 0) {
 246         character = doc.getChar(position);
 247         if ((character == '\"') || (character == '\'') || (character == '\r') || (character == '\n'))
 248           break;
 249         --position;
 250       }
 251       if ((character == '\"') || (character == '\'')) {
 252         start = position;
 253
 254         position = pos;
 255         int length = doc.getLength();
 256         character = ' ';
 257         while (position < length) {
 258           character = doc.getChar(position);
 259           if ((character == '\"') || (character == '\'') || (character == '\r') || (character == '\n'))
 260             break;
 261           ++position;
 262         }
 263         if ((character == '\"') || (character == '\'')) {
 264           start++;
 265           end = position;
 266
 267           if (end > start) {
 268             word = new Point(start, end - start); // include name found
 269             isIncludeString = true;
 270           }
 271         }
 272       }
 273
 274       // try to find an identifier
 275       if (word == null) {
 276         word = PHPWordExtractor.findWord(doc, pos); // identifier found
 277         isIncludeString = false;
 278       }
 279     } catch (BadLocationException x) {
 280     }
 281
 282     if (word != null) {
 283       try {
 284         return doc.get(word.x, word.y);
 285       } catch (BadLocationException e) {
 286       }
 287     }
 288     return "";
 289   }
 290
 291   //
 292   //
 293   //    Point word = PHPWordExtractor.findWord(doc, pos);
 294   //    if (word != null) {
 295   //      try {
 296   //        return doc.get(word.x, word.y);
 297   //      } catch (BadLocationException e) {
 298   //      }
 299   //    }
 300   //    return "";
 301   //  }
 302   private IContainer getWorkingLocation(IFileEditorInput editorInput) {
 303     if (editorInput == null || editorInput.getFile() == null) {
 304       return null;
 305     }
 306     return editorInput.getFile().getParent();
 307   }
 308
 309   private IFile getIncludeFile(IProject project, IFileEditorInput editorInput, String relativeFilename) {
 310     IContainer container = getWorkingLocation(editorInput);
 311     String fullPath = project.getLocation().toString();
 312     IFile file = null;
 313     if (relativeFilename.startsWith("../")) {
 314       Path path = new Path(relativeFilename);
 315       file = container.getFile(path);
 316       return file;
 317     }
 318     int index = relativeFilename.lastIndexOf('/');
 319
 320     if (index >= 0) {
 321       Path path = new Path(relativeFilename);
 322       file = project.getFile(path);
 323       if (file.exists()) {
 324         return file;
 325       }
 326     }
 327
 328     Path path = new Path(relativeFilename);
 329     file = container.getFile(path);
 330
 331     return file;
 332   }
 333 }