net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/filters/OutputFolderFilter.java

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2004 IBM Corporation 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  *     IBM Corporation - initial API and implementation
  10  *******************************************************************************/
  11 package net.sourceforge.phpdt.internal.ui.filters;
  12
  13
  14 import net.sourceforge.phpdt.core.IClasspathEntry;
  15 import net.sourceforge.phpdt.core.IJavaProject;
  16 import net.sourceforge.phpdt.core.JavaCore;
  17 import net.sourceforge.phpeclipse.PHPeclipsePlugin;
  18
  19 import org.eclipse.core.resources.IFolder;
  20 import org.eclipse.core.resources.IProject;
  21 import org.eclipse.core.runtime.CoreException;
  22 import org.eclipse.core.runtime.IPath;
  23 import org.eclipse.jface.viewers.Viewer;
  24 import org.eclipse.jface.viewers.ViewerFilter;
  25
  26
  27 /**
  28  * Filters out all output folders.
  29  * <p>
  30  * Note: Folder which are direct children of a Java element
  31  * are already filtered by the Java Model.
  32  * </p>
  33  *
  34  * @since 3.0
  35  */
  36 public class OutputFolderFilter extends ViewerFilter {
  37
  38         /**
  39          * Returns the result of this filter, when applied to the
  40          * given element.
  41          *
  42          * @param element the element to test
  43          * @return <code>true</code> if element should be included
  44          * @since 3.0
  45          */
  46         public boolean select(Viewer viewer, Object parent, Object element) {
  47                 if (element instanceof IFolder) {
  48                         IFolder folder= (IFolder)element;
  49                         IProject proj= folder.getProject();
  50                         try {
  51                                 if (!proj.hasNature(PHPeclipsePlugin.PHP_NATURE_ID))
  52                                         return true;
  53
  54                                 IJavaProject jProject= JavaCore.create(folder.getProject());
  55                                 if (jProject == null || !jProject.exists())
  56                                         return true;
  57
  58                                 // Check default output location
  59                                 IPath defaultOutputLocation= jProject.getOutputLocation();
  60                                 IPath folderPath= folder.getFullPath();
  61                                 if (defaultOutputLocation != null && defaultOutputLocation.equals(folderPath))
  62                                         return false;
  63
  64                                 // Check output location for each class path entry
  65                                 IClasspathEntry[] cpEntries= jProject.getRawClasspath();
  66                                 for (int i= 0, length= cpEntries.length; i < length; i++) {
  67                                         IPath outputLocation= cpEntries[i].getOutputLocation();
  68                                         if (outputLocation != null && outputLocation.equals(folderPath))
  69                                                 return false;
  70                                 }
  71                         } catch (CoreException ex) {
  72                                 return true;
  73                         }
  74                 }
  75                 return true;
  76         }
  77 }