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

   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.swt.graphics.Point;
  31 import org.eclipse.ui.IEditorActionDelegate;
  32 import org.eclipse.ui.IEditorPart;
  33 import org.eclipse.ui.IFileEditorInput;
  34 import org.eclipse.ui.IWorkbenchWindow;
  35 import org.eclipse.ui.actions.ActionDelegate;
  36
  37 public class PHPOpenDeclarationEditorActon extends ActionDelegate implements IEditorActionDelegate {
  38
  39   private IWorkbenchWindow fWindow;
  40   private PHPEditor fEditor;
  41   private IProject fProject;
  42
  43   public void dispose() {
  44   }
  45
  46   public void init(IWorkbenchWindow window) {
  47     this.fWindow = window;
  48   }
  49
  50   public void selectionChanged(IAction action, ISelection selection) {
  51     if (!selection.isEmpty()) {
  52       if (selection instanceof TextSelection) {
  53         action.setEnabled(true);
  54       } else if (fWindow.getActivePage() != null && fWindow.getActivePage().getActivePart() != null) {
  55         //
  56       }
  57     }
  58   }
  59
  60   public void run(IAction action) {
  61     if (fEditor == null) {
  62       IEditorPart targetEditor = fWindow.getActivePage().getActiveEditor();
  63       if (targetEditor != null && (targetEditor instanceof PHPEditor)) {
  64         fEditor = (PHPEditor) targetEditor;
  65       }
  66     }
  67     if (fEditor != null) {
  68       // determine the current Project from a (file-based) Editor
  69       IFile f = ((IFileEditorInput) fEditor.getEditorInput()).getFile();
  70       fProject = f.getProject();
  71 //      System.out.println(fProject.toString());
  72
  73       ITextSelection selection = (ITextSelection) fEditor.getSelectionProvider().getSelection();
  74       IDocument doc = fEditor.getDocumentProvider().getDocument(fEditor.getEditorInput());
  75       int pos = selection.getOffset();
  76       String word = getPHPIdentifier(doc, pos);
  77       //      System.out.println(word);
  78       if (word!=null && ! word.equals("")) {
  79                                 IdentifierIndexManager indexManager = PHPeclipsePlugin.getDefault().getIndexManager(fProject);
  80                                 List list = indexManager.getLocations(word);
  81                                 if (list!=null && list.size()>0) {
  82                                         String workspaceLocation = PHPeclipsePlugin.getWorkspace().getRoot().getLocation().toString();
  83                                         // TODO show all entries of the list in a dialog box
  84                                         // at the moment allways the first entry will be opened
  85                                         PHPIdentifierLocation location = (PHPIdentifierLocation)list.get(0);
  86                                         String filename = workspaceLocation + location.getFilename();
  87 //                                      System.out.println(filename);
  88                                         try {
  89             PHPeclipsePlugin.getDefault().openFileInTextEditor(filename, 0, word);
  90           } catch (CoreException e) {
  91             // TODO Auto-generated catch block
  92             e.printStackTrace();
  93           }
  94                                 }
  95       }
  96     }
  97   }
  98
  99   public void setActiveEditor(IAction action, IEditorPart targetEditor) {
 100     if (targetEditor != null && (targetEditor instanceof PHPEditor)) {
 101       fEditor = (PHPEditor) targetEditor;
 102     }
 103   }
 104
 105   //  public static void openContextHelp(String word) {
 106   //    IPreferenceStore store = PHPeclipsePlugin.getDefault().getPreferenceStore();
 107   //    if (store.getBoolean(PHPHelpPlugin.PHP_CHM_ENABLED)) {
 108   //      String[] arguments = { store.getString(PHPHelpPlugin.PHP_CHM_FILE), word };
 109   //      MessageFormat form = new MessageFormat(store.getString(PHPHelpPlugin.PHP_CHM_COMMAND));
 110   //      try {
 111   //        Runtime runtime = Runtime.getRuntime();
 112   //        String command = form.format(arguments);
 113   //
 114   //        runtime.exec(command);
 115   //      } catch (IOException e) {
 116   //      }
 117   //    } else {
 118   //      IHelp help = WorkbenchHelp.getHelpSupport();
 119   //      if (help != null) {
 120   //        PHPFunctionHelpResource helpResource = new PHPFunctionHelpResource(word);
 121   //        WorkbenchHelp.getHelpSupport().displayHelpResource(helpResource);
 122   //      } else {
 123   //        //   showMessage(shell, dialogTitle, ActionMessages.getString("Open help not available"), false); //$NON-NLS-1$
 124   //      }
 125   //    }
 126   //  }
 127
 128   private String getPHPIdentifier(IDocument doc, int pos) {
 129     Point word = PHPWordExtractor.findWord(doc, pos);
 130     if (word != null) {
 131       try {
 132         return doc.get(word.x, word.y);
 133       } catch (BadLocationException e) {
 134       }
 135     }
 136     return "";
 137   }
 138 }